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u-boot-omap4panda
v2013.04-sunxi.patch
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File v2013.04-sunxi.patch of Package u-boot-omap4panda
Index: arch/arm/cpu/armv7/cmd_boot.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/cmd_boot.c @@ -0,0 +1,36 @@ +/* + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * Misc boot support + */ +#include <common.h> +#include <command.h> + +#ifdef CONFIG_CMD_GO +unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc, + char * const argv[]) +{ + invalidate_icache_all(); + return entry(argc, argv); +} +#endif Index: arch/arm/cpu/armv7/Makefile =================================================================== --- arch/arm/cpu/armv7/Makefile.orig +++ arch/arm/cpu/armv7/Makefile @@ -31,8 +31,9 @@ COBJS += cache_v7.o COBJS += cpu.o COBJS += syslib.o +COBJS += cmd_boot.o -ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI814X),) +ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TEGRA)$(CONFIG_MX6)$(CONFIG_TI814X)$(CONFIG_SUNXI),) SOBJS += lowlevel_init.o endif Index: arch/arm/cpu/armv7/sunxi/board.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/board.c @@ -0,0 +1,166 @@ +/* + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Some init for sunxi platform. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <serial.h> +#include <i2c.h> +#include <asm/gpio.h> +#include <asm/arch/clock.h> +#include <asm/arch/timer.h> +#include <asm/arch/gpio.h> +#include <asm/arch/sys_proto.h> +#include <netdev.h> +#ifdef CONFIG_SPL_BUILD +#include <spl.h> +#endif + +#ifdef CONFIG_SPL_BUILD +/* Pointer to the global data structure for SPL */ +DECLARE_GLOBAL_DATA_PTR; + +/* The sunxi internal brom will try to loader external bootloader + * from mmc0, nannd flash, mmc2. + * Unfortunately we can't check how SPL was loaded so assume + * it's always the first SD/MMC controller + */ +u32 spl_boot_device(void) +{ + return BOOT_DEVICE_MMC1; +} + +/* No confiration data available in SPL yet. Hardcode bootmode */ +u32 spl_boot_mode(void) +{ + return MMCSD_MODE_RAW; +} +#endif + +int gpio_init(void) +{ +#if CONFIG_CONS_INDEX == 1 && defined(CONFIG_UART0_PORT_F) +#ifdef CONFIG_SUN4I + /* disable GPB22,23 as uart0 tx,rx to avoid conflict */ + sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUNXI_GPIO_INPUT); + sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUNXI_GPIO_INPUT); +#endif + sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUNXI_GPF2_UART0_TX); + sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUNXI_GPF4_UART0_RX); +#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_SUN4I) + sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUN4I_GPB22_UART0_TX); + sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUN4I_GPB23_UART0_RX); +#elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_SUN5I) + sunxi_gpio_set_cfgpin(SUNXI_GPG(3), SUN5I_GPG3_UART0_TX); + sunxi_gpio_set_cfgpin(SUNXI_GPG(4), SUN5I_GPG4_UART0_RX); +#else +#error Unsupported console port number. Please fix pin mux settings in board.c +#endif + + return 0; +} + +/* watchdog is also used for reset_cpu() and always needed */ +void watchdog_reset(void) +{ + static struct sunxi_wdog *const wdog = + &((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog; + + /* a little magic to reload the watchdog */ + writel(0xA57 << 1 | 1 << 0, &wdog->ctl); +} + +static void watchdog_set(int interval) +{ + static struct sunxi_wdog *const wdog = + &((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog; + + /* Set timeout, reset & enable */ + if (interval) + writel((interval-1) << 2 | 1 << 1 | 1 << 0, &wdog->mode); + else + writel(0 << 2 | 0 << 1 | 1 << 0, &wdog->mode); + watchdog_reset(); +} + +static void watchdog_init(void) +{ +#ifdef CONFIG_WATCHDOG + watchdog_set(24); /* max possible timeout */ +#else + watchdog_set(0); /* no timeout */ +#endif +} + +void reset_cpu(ulong addr) +{ + watchdog_set(1); + while(1); +} + +/* do some early init */ +void s_init(void) +{ + watchdog_init(); + clock_init(); + gpio_init(); + +#ifdef CONFIG_SPL_BUILD + gd = &gdata; + preloader_console_init(); + +#ifdef CONFIG_SPL_I2C_SUPPORT + /* Needed early by sunxi_board_init if PMU is enabled */ + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); +#endif + + sunxi_board_init(); +#endif + +} + +#ifndef CONFIG_SYS_DCACHE_OFF +void enable_caches(void) +{ + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +} +#endif + +#if defined(CONFIG_SUNXI_WEMAC) +/* + * Initializes on-chip ethernet controllers. + * to override, implement board_eth_init() + */ +int cpu_eth_init(bd_t *bis) +{ + sunxi_wemac_initialize(bis); + + return 0; +} +#endif + Index: arch/arm/cpu/armv7/sunxi/clock.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/clock.c @@ -0,0 +1,180 @@ +/* + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/arch/sys_proto.h> + +#ifdef CONFIG_SPL_BUILD +static void clock_init_safe(void) +{ + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + /* Set safe defaults until PMU is configured */ + writel(AXI_DIV_1 << 0 | AHB_DIV_2 << 4 | APB0_DIV_1 << 8 | + CPU_CLK_SRC_OSC24M << 16, &ccm->cpu_ahb_apb0_cfg); + writel(0xa1005000, &ccm->pll1_cfg); + sdelay(200); + writel(AXI_DIV_1 << 0 | AHB_DIV_2 << 4 | APB0_DIV_1 << 8 | + CPU_CLK_SRC_PLL1 << 16, &ccm->cpu_ahb_apb0_cfg); +} +#endif + +int clock_init(void) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + +#ifdef CONFIG_SPL_BUILD + clock_init_safe(); +#endif + + /* uart clock source is apb1 */ + sr32(&ccm->apb1_clk_div_cfg, 24, 2, APB1_CLK_SRC_OSC24M); + sr32(&ccm->apb1_clk_div_cfg, 16, 2, APB1_FACTOR_N); + sr32(&ccm->apb1_clk_div_cfg, 0, 5, APB1_FACTOR_M); + + /* open the clock for uart */ + sr32(&ccm->apb1_gate, 16 + CONFIG_CONS_INDEX - 1, 1, CLK_GATE_OPEN); + +#ifdef CONFIG_NAND_SUNXI + /* nand clock source is osc24m */ + sr32(&ccm->nand_sclk_cfg, 24, 2, NAND_CLK_SRC_OSC24); + sr32(&ccm->nand_sclk_cfg, 16, 2, NAND_CLK_DIV_N); + sr32(&ccm->nand_sclk_cfg, 0, 4, NAND_CLK_DIV_M); + sr32(&ccm->nand_sclk_cfg, 31, 1, CLK_GATE_OPEN); + /* open clock for nand */ + sr32(&ccm->ahb_gate0, AHB_GATE_OFFSET_NAND, 1, CLK_GATE_OPEN); +#endif + + return 0; +} + +/* Return PLL5 frequency in Hz + * Note: Assumes PLL5 reference is 24MHz clock + */ +unsigned int clock_get_pll5(void) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + uint32_t rval = readl(&ccm->pll5_cfg); + int n = (rval >> 8) & 0x1f; + int k = ((rval >> 4) & 3) + 1; + int p = 1 << ((rval >> 16) & 3); + return 24000000 * n * k / p; +} + +int clock_twi_onoff(int port, int state) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + if (port > 2) + return -1; + + /* set the apb1 clock gate for twi */ + sr32(&ccm->apb1_gate, 0 + port, 1, state); + + return 0; +} + +#ifdef CONFIG_SPL_BUILD +#define PLL1_CFG(N, K, M, P) (1 << 31 | 0 << 30 | 8 << 26 | 0 << 25 | \ + 16 << 20 | (P) << 16 | 2 << 13 | (N) << 8 | \ + (K) << 4 | 0 << 3 | 0 << 2 | (M) << 0) +#define RDIV(a, b) ((a + (b) - 1) / (b)) + +struct { + u32 pll1_cfg; + unsigned int freq; +} pll1_para[] = { + { PLL1_CFG(16, 0, 0, 0), 384000000 }, + { PLL1_CFG(16, 1, 0, 0), 768000000 }, + { PLL1_CFG(20, 1, 0, 0), 960000000 }, + { PLL1_CFG(21, 1, 0, 0), 1008000000}, + { PLL1_CFG(22, 1, 0, 0), 1056000000}, + { PLL1_CFG(23, 1, 0, 0), 1104000000}, + { PLL1_CFG(24, 1, 0, 0), 1152000000}, + { PLL1_CFG(25, 1, 0, 0), 1200000000}, + { PLL1_CFG(26, 1, 0, 0), 1248000000}, + { PLL1_CFG(27, 1, 0, 0), 1296000000}, + { PLL1_CFG(28, 1, 0, 0), 1344000000}, + { PLL1_CFG(29, 1, 0, 0), 1392000000}, + { PLL1_CFG(30, 1, 0, 0), 1440000000}, + { PLL1_CFG(31, 1, 0, 0), 1488000000}, + { PLL1_CFG(31, 1, 0, 0), ~0}, +}; + +void clock_set_pll1(int hz) +{ + int i = 0; + int axi, ahb, apb0; + struct sunxi_ccm_reg * const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + /* Find target frequency */ + while (pll1_para[i].freq < hz) + i++; + + hz = pll1_para[i].freq; + + /* Calculate system clock divisors */ + axi = RDIV(hz, 432000000); /* Max 450MHz */ + ahb = RDIV(hz/axi, 204000000); /* Max 250MHz */ + apb0 = 2; /* Max 150MHz */ + + /* Map divisors to register values */ + axi = axi - 1; + if (ahb > 4) + ahb = 3; + else if (ahb > 2) + ahb = 2; + else if (ahb > 1) + ahb = 1; + else + ahb = 0; + + apb0 = apb0 - 1; + + /* Switch to 24MHz clock while changing PLL1 */ + writel(AXI_DIV_1 << 0 | AHB_DIV_2 << 4 | APB0_DIV_1 << 8 | + CPU_CLK_SRC_OSC24M << 16, &ccm->cpu_ahb_apb0_cfg); + sdelay(20); + + /* Configure sys clock divisors */ + writel(axi << 0 | ahb << 4 | apb0 << 8 | CPU_CLK_SRC_OSC24M << 16, + &ccm->cpu_ahb_apb0_cfg); + + /* Configure PLL1 at the desired frequency */ + writel(pll1_para[i].pll1_cfg, &ccm->pll1_cfg); + sdelay(200); + + /* Switch CPU to PLL1 */ + writel(axi << 0 | ahb << 4 | apb0 << 8 | CPU_CLK_SRC_PLL1 << 16, + &ccm->cpu_ahb_apb0_cfg); + sdelay(20); +} +#endif Index: arch/arm/cpu/armv7/sunxi/cmd_watchdog.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/cmd_watchdog.c @@ -0,0 +1,54 @@ +/* + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/timer.h> +#include <asm/armv7.h> +#include <asm/io.h> + +int do_sunxi_watchdog(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + struct sunxi_wdog *wdog = + &((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog; + long interval; + + if (argc < 2) { + int i; + u32 *wd = (void *)wdog; + printf("usage: watchdog seconds\n"); + printf("0 to disable watchdog\n"); + for (i = 0; i < 4; i++) + printf("%p: %08x\n", &wd[i],wd[i]); + return 1; + } + interval = simple_strtoul(argv[1], NULL, 10); + if (interval > (1 << 6) - 1) + interval = (1 << 6) - 1; + writel(0, &wdog->mode); /* make sure bit 0 is 0 to reset counter */ + CP15DMB; + if (interval) + writel(interval << 2 | 1 << 1 | 1 << 0, &wdog->mode); + return 0; +} + +U_BOOT_CMD( + watchdog, 2, 1, do_sunxi_watchdog, + "Set watchdog. 0 disables", + "" +); Index: arch/arm/cpu/armv7/sunxi/cpu_info.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/cpu_info.c @@ -0,0 +1,36 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> + +#ifdef CONFIG_DISPLAY_CPUINFO +int print_cpuinfo(void) +{ + puts("CPU: SUNXI Family\n"); + return 0; +} +#endif Index: arch/arm/cpu/armv7/sunxi/dram.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/dram.c @@ -0,0 +1,446 @@ +/* + * sunxi DRAM controller initialization + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * Based on sun4i Linux kernel sources mach-sunxi/pm/standby/dram*.c + * and earlier U-Boot Allwiner A10 SPL work + * + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Berg Xing <bergxing@allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/dram.h> +#include <asm/arch/timer.h> +#include <asm/arch/clock.h> +#include <asm/arch/sys_proto.h> + +static void mctl_ddr3_reset(void) +{ + struct sunxi_dram_reg *dram = + (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + +#ifdef CONFIG_SUN4I + struct sunxi_timer_reg *timer = + (struct sunxi_timer_reg *)SUNXI_TIMER_BASE; + u32 reg_val; + + writel(0, &timer->cpu_cfg); + reg_val = readl(&timer->cpu_cfg); + reg_val >>= 6; + reg_val &= 0x3; + + if (reg_val != 0) { + setbits_le32(&dram->mcr, 0x1 << 12); + sdelay(0x100); + clrbits_le32(&dram->mcr, 0x1 << 12); + } else +#endif + { + clrbits_le32(&dram->mcr, 0x1 << 12); + sdelay(0x100); + setbits_le32(&dram->mcr, 0x1 << 12); + } +} + +static void mctl_set_drive(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + + clrsetbits_le32(&dram->mcr, 0x3, (0x6 << 12) | 0xFFC); +} + +static void mctl_itm_disable(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + + setbits_le32(&dram->ccr, 0x1 << 28); +} + +static void mctl_itm_enable(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + + clrbits_le32(&dram->ccr, 0x1 << 28); +} + +static void mctl_enable_dll0(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + + clrsetbits_le32(&dram->dllcr[0], 0x40000000, 0x80000000); + sdelay(0x100); + + clrbits_le32(&dram->dllcr[0], 0xC0000000); + sdelay(0x1000); + + clrsetbits_le32(&dram->dllcr[0], 0x80000000, 0x40000000); + sdelay(0x1000); +} + +/* + * Note: This differs from pm/standby in that it checks the bus width + */ +static void mctl_enable_dllx(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 i, n, bus_width; + + bus_width = readl(&dram->dcr); + bus_width >>= 6; + bus_width &= 7; + + if (bus_width == 3) + n = 5; + else + n = 3; + + for (i = 1; i < n; i++) + clrsetbits_le32(&dram->dllcr[i], 0x40000000, 0x80000000); + sdelay(0x100); + + for (i = 1; i < n; i++) + clrbits_le32(&dram->dllcr[i], 0xC0000000); + sdelay(0x1000); + + for (i = 1; i < n; i++) + clrsetbits_le32(&dram->dllcr[i], 0x80000000, 0x40000000); + sdelay(0x1000); +} + +static u32 hpcr_value[32] = { +#ifdef CONFIG_SUN5I + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + 0x1031, 0x1031, 0x0735, 0x1035, + 0x1035, 0x0731, 0x1031, 0, + 0x0301, 0x0301, 0x0301, 0x0301, + 0x0301, 0x0301, 0x0301, 0 +#endif +#ifdef CONFIG_SUN4I + 0x0301, 0x0301, 0x0301, 0x0301, + 0x0301, 0x0301, 0, 0, + 0, 0, 0, 0, + 0, 0, 0, 0, + 0x1031, 0x1031, 0x0735, 0x1035, + 0x1035, 0x0731, 0x1031, 0x0735, + 0x1035, 0x1031, 0x0731, 0x1035, + 0x1031, 0x0301, 0x0301, 0x0731 +#endif +}; + +static void mctl_configure_hostport(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 i; + + for (i = 0; i < 32; i++) + writel(hpcr_value[i], &dram->hpcr[i]); +} + +static void mctl_setup_dram_clock(u32 clk) +{ + u32 reg_val; + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + /* setup DRAM PLL */ + reg_val = readl(&ccm->pll5_cfg); + reg_val &= ~0x3; + reg_val |= 0x1; /* m factor */ + reg_val &= ~(0x3 << 4); + reg_val |= 0x1 << 4; /* k factor */ + reg_val &= ~(0x1f << 8); + reg_val |= ((clk / 24) & 0x1f) << 8; /* n factor */ + reg_val &= ~(0x3 << 16); + reg_val |= 0x1 << 16; /* p factor */ + reg_val &= ~(0x1 << 29); /* PLL on */ + reg_val |= (u32) 0x1 << 31; /* PLL En */ + writel(reg_val, &ccm->pll5_cfg); + sdelay(0x100000); + + setbits_le32(&ccm->pll5_cfg, 0x1 << 29); + +#ifdef CONFIG_SUN4I + /* reset GPS */ + clrbits_le32(&ccm->gps_clk_cfg, 0x3); + setbits_le32(&ccm->ahb_gate0, 0x1 << 26); + sdelay(0x20); + clrbits_le32(&ccm->ahb_gate0, 0x1 << 26); +#endif + + /* setup MBUS clock */ + reg_val = (0x1 << 31) | (0x2 << 24) | (0x1); + writel(reg_val, &ccm->mbus_clk_cfg); + + /* + * open DRAMC AHB & DLL register clock + * close it first + */ +#ifdef CONFIG_SUN5I + clrbits_le32(&ccm->ahb_gate0, 0x3 << 14); +#else + clrbits_le32(&ccm->ahb_gate0, 0x1 << 14); +#endif + sdelay(0x1000); + + /* then open it */ +#ifdef CONFIG_SUN5I + setbits_le32(&ccm->ahb_gate0, 0x3 << 14); +#else + setbits_le32(&ccm->ahb_gate0, 0x1 << 14); +#endif + sdelay(0x1000); +} + +static int dramc_scan_readpipe(void) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 reg_val; + + /* data training trigger */ + setbits_le32(&dram->ccr, 0x1 << 30); + + /* check whether data training process has completed */ + while (readl(&dram->ccr) & (0x1 << 30)); + + /* check data training result */ + reg_val = readl(&dram->csr); + if (reg_val & (0x1 << 20)) + return -1; + + return 0; +} + +static void dramc_clock_output_en(u32 on) +{ +#ifdef CONFIG_SUN5I + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + + if (on) + setbits_le32(&dram->mcr, 0x1 << SUN5I_DRAM_MCR_DCLK_OUT_OFFSET); + else + clrbits_le32(&dram->mcr, 0x1 << SUN5I_DRAM_MCR_DCLK_OUT_OFFSET); +#endif +#ifdef CONFIG_SUN4I + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + if (on) + setbits_le32(&ccm->dram_clk_cfg, + 0x1 << SUN4I_CCM_SDRAM_DCLK_OUT_OFFSET); + else + clrbits_le32(&ccm->dram_clk_cfg, + 0x1 << SUN4I_CCM_SDRAM_DCLK_OUT_OFFSET); +#endif +} + +#ifdef CONFIG_SUN4I +static void dramc_set_autorefresh_cycle(u32 clk) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 reg_val; + u32 tmp_val; + u32 dram_size; + + if (clk < 600) { + dram_size = readl(&dram->dcr); + dram_size >>= 3; + dram_size &= 0x7; + if (dram_size <= 0x2) + reg_val = (131 * clk) >> 10; + else + reg_val = (336 * clk) >> 10; + + tmp_val = (7987 * clk) >> 10; + tmp_val = tmp_val * 9 - 200; + reg_val |= tmp_val << 8; + reg_val |= 0x8 << 24; + writel(reg_val, &dram->drr); + } else { + writel(0x0, &dram->drr); + } +} +#endif /* SUN4I */ + +#ifdef CONFIG_SUN5I +static void dramc_set_autorefresh_cycle(u32 clk) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 reg_val; + u32 tmp_val; + reg_val = 131; + + tmp_val = (7987 * clk) >> 10; + tmp_val = tmp_val * 9 - 200; + reg_val |= tmp_val << 8; + reg_val |= 0x8 << 24; + writel(reg_val, &dram->drr); +} +#endif /* SUN5I */ + +int dramc_init(struct dram_para *para) +{ + struct sunxi_dram_reg *dram = (struct sunxi_dram_reg *)SUNXI_DRAMC_BASE; + u32 reg_val; + int ret_val; + + /* check input dram parameter structure */ + if (!para) + return -1; + + /* setup DRAM relative clock */ + mctl_setup_dram_clock(para->clock); + +#ifdef CONFIG_SUN5I + /* Disable any pad power save control */ + writel(0, &dram->ppwrsctl); +#endif + + /* reset external DRAM */ + mctl_ddr3_reset(); + mctl_set_drive(); + + /* dram clock off */ + dramc_clock_output_en(0); + +#ifdef CONFIG_SUN4I + /* select dram controller 1 */ + writel(0x16237495, &dram->csel); +#endif + + mctl_itm_disable(); + mctl_enable_dll0(); + + /* configure external DRAM */ + reg_val = 0; + if (para->type == 3) + reg_val |= 0x1; + reg_val |= (para->io_width >> 3) << 1; + + if (para->density == 256) + reg_val |= 0x0 << 3; + else if (para->density == 512) + reg_val |= 0x1 << 3; + else if (para->density == 1024) + reg_val |= 0x2 << 3; + else if (para->density == 2048) + reg_val |= 0x3 << 3; + else if (para->density == 4096) + reg_val |= 0x4 << 3; + else if (para->density == 8192) + reg_val |= 0x5 << 3; + else + reg_val |= 0x0 << 3; + + reg_val |= ((para->bus_width >> 3) - 1) << 6; + + reg_val |= (para->rank_num - 1) << 10; + + reg_val |= 0x1 << 12; + reg_val |= ((0x1) & 0x3) << 13; + + writel(reg_val, &dram->dcr); + +#ifdef CONFIG_SUN5I + /* set odt impendance divide ratio */ + reg_val = ((para->zq) >> 8) & 0xfffff; + reg_val |= ((para->zq) & 0xff) << 20; + reg_val |= (para->zq) & 0xf0000000; + writel(reg_val, &dram->zqcr0); +#endif + + /* dram clock on */ + dramc_clock_output_en(1); + + sdelay(0x10); + + while (readl(&dram->ccr) & (0x1U << 31)); + + mctl_enable_dllx(); + +#ifdef CONFIG_SUN4I + /* set odt impendance divide ratio */ + reg_val = ((para->zq) >> 8) & 0xfffff; + reg_val |= ((para->zq) & 0xff) << 20; + reg_val |= (para->zq) & 0xf0000000; + writel(reg_val, &dram->zqcr0); +#endif + +#ifdef CONFIG_SUN4I + /* set I/O configure register */ + reg_val = 0x00cc0000; + reg_val |= (para->odt_en) & 0x3; + reg_val |= ((para->odt_en) & 0x3) << 30; + writel(reg_val, &dram->iocr); +#endif + + /* set refresh period */ + dramc_set_autorefresh_cycle(para->clock); + + /* set timing parameters */ + writel(para->tpr0, &dram->tpr0); + writel(para->tpr1, &dram->tpr1); + writel(para->tpr2, &dram->tpr2); + + /* set mode register */ + if (para->type == 3) { + /* ddr3 */ + reg_val = 0x0; +#ifdef CONFIG_SUN5I + reg_val |= 0x1000; +#endif + reg_val |= (para->cas - 4) << 4; + reg_val |= 0x5 << 9; + } else if (para->type == 2) { + /* ddr2 */ + reg_val = 0x2; + reg_val |= para->cas << 4; + reg_val |= 0x5 << 9; + } + writel(reg_val, &dram->mr); + + writel(para->emr1, &dram->emr); + writel(para->emr2, &dram->emr2); + writel(para->emr3, &dram->emr3); + + /* set DQS window mode */ + clrsetbits_le32(&dram->ccr, 0x1U << 17, 0x1U << 14); + + /* reset external DRAM */ + setbits_le32(&dram->ccr, 0x1U << 31); + + while (readl(&dram->ccr) & (0x1U << 31)); + + /* scan read pipe value */ + mctl_itm_enable(); + ret_val = dramc_scan_readpipe(); + + if (ret_val < 0) + return 0; + + /* configure all host port */ + mctl_configure_hostport(); + + return get_ram_size((long *)PHYS_SDRAM_1, 1 << 30); +} Index: arch/arm/cpu/armv7/sunxi/early_print.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/early_print.c @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Early uart print for debugging. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/early_print.h> +#include <asm/arch/gpio.h> +#include <asm/arch/sys_proto.h> + +int uart0_init(void) { + + /* select dll dlh */ + writel(0x80, UART0_LCR); + /* set baudrate */ + writel(0, UART0_DLH); + writel(BAUD_115200, UART0_DLL); + /* set line control */ + writel(LC_8_N_1, UART0_LCR); + + return 0; +} + +#define TX_READY (readl(UART0_LSR) & (1 << 6)) +void uart0_putc(char c) { + + while(!TX_READY) + ; + writel(c, UART0_THR); +} + +void uart0_puts(const char *s) { + + while(*s) + uart0_putc(*s++); +} Index: arch/arm/cpu/armv7/sunxi/key.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/key.c @@ -0,0 +1,72 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/key.h> +#include <asm/arch/sys_proto.h> + + +int sunxi_key_init(void) { + + struct sunxi_lradc *sunxi_key_base = + (struct sunxi_lradc *)SUNXI_LRADC_BASE; + + sr32(&sunxi_key_base->ctrl, 0, 1, LRADC_EN); + sr32(&sunxi_key_base->ctrl, 2, 2, LRADC_SAMPLE_RATE); + sr32(&sunxi_key_base->ctrl, 4, 2, LEVELB_VOL); + sr32(&sunxi_key_base->ctrl, 6, 1, LRADC_HOLD_EN); + sr32(&sunxi_key_base->ctrl, 12, 2, KEY_MODE_SELECT); + + /* disable all key irq */ + writel(0x0, &sunxi_key_base->intc); + /* clear all key pending */ + writel(0xFFFFFFFF, &sunxi_key_base->ints); + + return 0; +} + +u32 sunxi_read_key(void) { + + u32 ints; + u32 key = 0; + struct sunxi_lradc *sunxi_key_base = + (struct sunxi_lradc *)SUNXI_LRADC_BASE; + + ints = readl(&sunxi_key_base->ints); + + /* if there is already data pending, + read it */ + if( ints & ADC0_DATA_PENDING) { + key = readl(&sunxi_key_base->data0); +#ifdef DEBUG + printf("key pressed, value=0x%x\n", key); +#endif + } + /* clear the pending data */ + writel(ints, &sunxi_key_base->ints); + return key; +} + Index: arch/arm/cpu/armv7/sunxi/Makefile =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/Makefile @@ -0,0 +1,63 @@ +# +# (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> +# +# Based on some other Makefile +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS += timer.o +COBJS += dram.o +COBJS += board.o +COBJS += clock.o +COBJS += pinmux.o +ifdef DEBUG +COBJS += early_print.o +endif + +ifndef CONFIG_SPL_BUILD +COBJS += key.o +COBJS += cpu_info.o +ifdef CONFIG_CMD_WATCHDOG +COBJS += cmd_watchdog.o +endif +endif + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(COBJS-y) $(SOBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### Index: arch/arm/cpu/armv7/sunxi/pinmux.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/pinmux.c @@ -0,0 +1,61 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/gpio.h> + +int sunxi_gpio_set_cfgpin(u32 pin, u32 val) +{ + u32 cfg; + u32 bank = GPIO_BANK(pin); + u32 index = GPIO_CFG_INDEX(pin); + u32 offset = GPIO_CFG_OFFSET(pin); + struct sunxi_gpio *pio = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank]; + + cfg = readl(&pio->cfg[0] + index); + cfg &= ~(0xf << offset); + cfg |= val << offset; + + writel(cfg, &pio->cfg[0] + index); + + return 0; +} + +int sunxi_gpio_get_cfgpin(u32 pin) +{ + u32 cfg; + u32 bank = GPIO_BANK(pin); + u32 index = GPIO_CFG_INDEX(pin); + u32 offset = GPIO_CFG_OFFSET(pin); + struct sunxi_gpio *pio = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank]; + + cfg = readl(&pio->cfg[0] + index); + cfg >>= offset; + + return cfg & 0xf; +} + Index: arch/arm/cpu/armv7/sunxi/timer.c =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/timer.c @@ -0,0 +1,120 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/timer.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define TIMER_MODE (0 << 7) /* continuous mode */ +#define TIMER_DIV (0 << 4) /* pre scale 1 */ +#define TIMER_SRC (1 << 2) /* osc24m */ +#define TIMER_RELOAD (1 << 1) /* reload internal value */ +#define TIMER_EN (1 << 0) /* enable timer */ + +#define TIMER_CLOCK (24 * 1000 * 1000) +#define COUNT_TO_USEC(x) ((x) / 24) +#define USEC_TO_COUNT(x) ((x) * 24) +#define TICKS_PER_HZ (TIMER_CLOCK / CONFIG_SYS_HZ) +#define TICKS_TO_HZ(x) ((x) / TICKS_PER_HZ) + +#define TIMER_LOAD_VAL 0xffffffff + +#define TIMER_NUM 0 /* we use timer 0 */ + +static struct sunxi_timer *timer_base = + &((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->timer[TIMER_NUM]; + +/* macro to read the 32 bit timer: since it decrements, we invert read value */ +#define READ_TIMER() (~readl(&timer_base->val)) + +/* init timer register */ +int timer_init(void) +{ + writel(TIMER_LOAD_VAL, &timer_base->inter); + writel(TIMER_MODE | TIMER_DIV | TIMER_SRC | TIMER_RELOAD | TIMER_EN, + &timer_base->ctl); + + return 0; +} + +/* timer without interrupts */ +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +ulong get_timer_masked(void) +{ + /* current tick value */ + ulong now = TICKS_TO_HZ(READ_TIMER()); + + if (now >= gd->arch.lastinc) /* normal (non rollover) */ + gd->arch.tbl += (now - gd->arch.lastinc); + else { + /* rollover */ + gd->arch.tbl += (TICKS_TO_HZ(TIMER_LOAD_VAL) + - gd->arch.lastinc) + now; + } + gd->arch.lastinc = now; + + return gd->arch.tbl; +} + +/* delay x useconds */ +void __udelay(unsigned long usec) +{ + long tmo = usec * (TIMER_CLOCK / 1000) / 1000; + ulong now, last = READ_TIMER(); + + while (tmo > 0) { + now = READ_TIMER(); + if (now > last) /* normal (non rollover) */ + tmo -= now - last; + else /* rollover */ + tmo -= TIMER_LOAD_VAL - last + now; + last = now; + } +} + +/* + * This function is derived from PowerPC code (read timebase as long long). + * On ARM it just returns the timer value. + */ +unsigned long long get_ticks(void) +{ + return get_timer(0); +} + +/* + * This function is derived from PowerPC code (timebase clock frequency). + * On ARM it returns the number of timer ticks per second. + */ +ulong get_tbclk(void) +{ + ulong tbclk; + tbclk = CONFIG_SYS_HZ; + return tbclk; +} Index: arch/arm/cpu/armv7/sunxi/u-boot-spl.lds =================================================================== --- /dev/null +++ arch/arm/cpu/armv7/sunxi/u-boot-spl.lds @@ -0,0 +1,69 @@ +/* + * (C) Copyright 2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Based on omap-common/u-boot-spl.lds: + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> + * + * (C) Copyright 2010 + * Texas Instruments, <www.ti.com> + * Aneesh V <aneesh@ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ + LENGTH = CONFIG_SPL_MAX_SIZE } +MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ + LENGTH = CONFIG_SPL_BSS_MAX_SIZE } + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +ENTRY(_start) +SECTIONS +{ + .text : + { + __start = .; + arch/arm/cpu/armv7/start.o (.text) + *(.text*) + } > .sram + + . = ALIGN(4); + .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram + + . = ALIGN(4); + .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram + + . = ALIGN(4); + __image_copy_end = .; + _end = .; + + .bss : + { + . = ALIGN(4); + __bss_start = .; + *(.bss*) + . = ALIGN(4); + __bss_end = .; + } > .sdram +} Index: arch/arm/include/asm/arch-sunxi/clock.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/clock.h @@ -0,0 +1,179 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_CLOCK_H +#define _SUNXI_CLOCK_H + +/* clock control module regs definition */ + +struct sunxi_ccm_reg { + u32 pll1_cfg; /* 0x00 pll1 control */ + u32 pll1_tun; /* 0x04 pll1 tuning */ + u32 pll2_cfg; /* 0x08 pll2 control */ + u32 pll2_tun; /* 0x0c pll2 tuning */ + u32 pll3_cfg; /* 0x10 pll3 control */ + u8 res0[0x4]; + u32 pll4_cfg; /* 0x18 pll4 control */ + u8 res1[0x4]; + u32 pll5_cfg; /* 0x20 pll5 control */ + u32 pll5_tun; /* 0x24 pll5 tuning */ + u32 pll6_cfg; /* 0x28 pll6 control */ + u32 pll6_tun; /* 0x2c pll6 tuning */ + u32 pll7_cfg; /* 0x30 pll7 control */ + u32 pll1_tun2; /* 0x34 pll5 tuning2 */ + u8 res2[0x4]; + u32 pll5_tun2; /* 0x3c pll5 tuning2 */ + u8 res3[0xc]; + u32 pll_lock_dbg; /* 0x4c pll lock time debug */ + u32 osc24m_cfg; /* 0x50 osc24m control */ + u32 cpu_ahb_apb0_cfg; /* 0x54 cpu,ahb and apb0 divide ratio */ + u32 apb1_clk_div_cfg; /* 0x58 apb1 clock dividor */ + u32 axi_gate; /* 0x5c axi module clock gating */ + u32 ahb_gate0; /* 0x60 ahb module clock gating 0 */ + u32 ahb_gate1; /* 0x64 ahb module clock gating 1 */ + u32 apb0_gate; /* 0x68 apb0 module clock gating */ + u32 apb1_gate; /* 0x6c apb1 module clock gating */ + u8 res4[0x10]; + u32 nand_sclk_cfg; /* 0x80 nand sub clock control */ + u32 ms_sclk_cfg; /* 0x84 memory stick sub clock control */ + u32 sd0_clk_cfg; /* 0x88 sd0 clock control */ + u32 sd1_clk_cfg; /* 0x8c sd1 clock control */ + u32 sd2_clk_cfg; /* 0x90 sd2 clock control */ + u32 sd3_clk_cfg; /* 0x94 sd3 clock control */ + u32 ts_clk_cfg; /* 0x98 transport stream clock control */ + u32 ss_clk_cfg; /* 0x9c */ + u32 spi0_clk_cfg; /* 0xa0 */ + u32 spi1_clk_cfg; /* 0xa4 */ + u32 spi2_clk_cfg; /* 0xa8 */ + u32 pata_clk_cfg; /* 0xac */ + u32 ir0_clk_cfg; /* 0xb0 */ + u32 ir1_clk_cfg; /* 0xb4 */ + u32 iis_clk_cfg; /* 0xb8 */ + u32 ac97_clk_cfg; /* 0xbc */ + u32 spdif_clk_cfg; /* 0xc0 */ + u32 keypad_clk_cfg; /* 0xc4 */ + u32 sata_clk_cfg; /* 0xc8 */ + u32 usb_clk_cfg; /* 0xcc */ + u32 gps_clk_cfg; /* 0xd0 */ + u32 spi3_clk_cfg; /* 0xd4 */ + u8 res5[0x28]; + u32 dram_clk_cfg; /* 0x100 */ + u32 be0_clk_cfg; /* 0x104 */ + u32 be1_clk_cfg; /* 0x108 */ + u32 fe0_clk_cfg; /* 0x10c */ + u32 fe1_clk_cfg; /* 0x110 */ + u32 mp_clk_cfg; /* 0x114 */ + u32 lcd0_ch0_clk_cfg; /* 0x118 */ + u32 lcd1_ch0_clk_cfg; /* 0x11c */ + u32 csi_isp_clk_cfg; /* 0x120 */ + u8 res6[0x4]; + u32 tvd_clk_reg; /* 0x128 */ + u32 lcd0_ch1_clk_cfg; /* 0x12c */ + u32 lcd1_ch1_clk_cfg; /* 0x130 */ + u32 csi0_clk_cfg; /* 0x134 */ + u32 csi1_clk_cfg; /* 0x138 */ + u32 ve_clk_cfg; /* 0x13c */ + u32 audio_codec_clk_cfg; /* 0x140 */ + u32 avs_clk_cfg; /* 0x144 */ + u32 ace_clk_cfg; /* 0x148 */ + u32 lvds_clk_cfg; /* 0x14c */ + u32 hdmi_clk_cfg; /* 0x150 */ + u32 mali_clk_cfg; /* 0x154 */ + u8 res7[0x4]; + u32 mbus_clk_cfg; /* 0x15c */ +}; + +/* apb1 bit field */ +#define APB1_CLK_SRC_OSC24M 0 +#define APB1_FACTOR_M 0 +#define APB1_FACTOR_N 0 + +/* clock divide */ +#define CPU_CLK_SRC_OSC24M 1 +#define CPU_CLK_SRC_PLL1 2 +#define AXI_DIV_1 0 +#define AXI_DIV_2 1 +#define AXI_DIV_3 2 +#define AXI_DIV_4 3 +#define AHB_DIV_1 0 +#define AHB_DIV_2 1 +#define AHB_DIV_4 2 +#define AHB_DIV_8 3 +#define APB0_DIV_1 0 +#define APB0_DIV_2 1 +#define APB0_DIV_4 2 +#define APB0_DIV_8 3 + +#ifdef CONFIG_SUN5I +#define AHB_CLK_SRC_AXI 0 +#endif + +#define CLK_GATE_OPEN 0x1 +#define CLK_GATE_CLOSE 0x0 + +/* nand clock */ +#define NAND_CLK_SRC_OSC24 0 +#define NAND_CLK_DIV_N 0 +#define NAND_CLK_DIV_M 0 + +/* gps clock */ +#define GPS_SCLK_GATING_OFF 0 +#define GPS_RESET 0 + +/* ahb clock gate bit offset */ +#define AHB_GATE_OFFSET_GPS 26 +#define AHB_GATE_OFFSET_SATA 25 +#define AHB_GATE_OFFSET_PATA 24 +#define AHB_GATE_OFFSET_SPI3 23 +#define AHB_GATE_OFFSET_SPI2 22 +#define AHB_GATE_OFFSET_SPI1 21 +#define AHB_GATE_OFFSET_SPI0 20 +#define AHB_GATE_OFFSET_TS0 18 +#define AHB_GATE_OFFSET_EMAC 17 +#define AHB_GATE_OFFSET_ACE 16 +#define AHB_GATE_OFFSET_DLL 15 +#define AHB_GATE_OFFSET_SDRAM 14 +#define AHB_GATE_OFFSET_NAND 13 +#define AHB_GATE_OFFSET_MS 12 +#define AHB_GATE_OFFSET_MMC3 11 +#define AHB_GATE_OFFSET_MMC2 10 +#define AHB_GATE_OFFSET_MMC1 9 +#define AHB_GATE_OFFSET_MMC0 8 +#define AHB_GATE_OFFSET_BIST 7 +#define AHB_GATE_OFFSET_DMA 6 +#define AHB_GATE_OFFSET_SS 5 +#define AHB_GATE_OFFSET_USB_OHCI1 4 +#define AHB_GATE_OFFSET_USB_EHCI1 3 +#define AHB_GATE_OFFSET_USB_OHCI0 2 +#define AHB_GATE_OFFSET_USB_EHCI0 1 +#define AHB_GATE_OFFSET_USB 0 + +#ifndef __ASSEMBLY__ +int clock_init(void); +int clock_twi_onoff(int port, int state); +void clock_set_pll1(int mhz); +unsigned int clock_get_pll5(void); +#endif + +#endif /* _SUNXI_CLOCK_H */ Index: arch/arm/include/asm/arch-sunxi/cpu.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/cpu.h @@ -0,0 +1,145 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_CPU_H +#define _SUNXI_CPU_H + +#define SUNXI_SRAM_A1_BASE 0x00000000 +#define SUNXI_SRAM_A1_SIZE (16 * 1024) /* 16k */ + +#define SUNXI_SRAM_A2_BASE 0x00004000 /* 16k */ +#define SUNXI_SRAM_A3_BASE 0x00008000 /* 13k */ +#define SUNXI_SRAM_A4_BASE 0x0000B400 /* 3k */ +#define SUNXI_SRAM_D_BASE 0x01C00000 +#define SUNXI_SRAM_B_BASE 0x01C00000 /* 64k(secure) */ + +#define SUNXI_SRAMC_BASE 0x01C00000 +#define SUNXI_DRAMC_BASE 0x01C01000 +#define SUNXI_DMA_BASE 0x01C02000 +#define SUNXI_NFC_BASE 0x01C03000 +#define SUNXI_TS_BASE 0x01C04000 +#define SUNXI_SPI0_BASE 0x01C05000 +#define SUNXI_SPI1_BASE 0x01C06000 +#define SUNXI_MS_BASE 0x01C07000 +#define SUNXI_TVD_BASE 0x01C08000 +#define SUNXI_CSI0_BASE 0x01C09000 +#define SUNXI_TVE0_BASE 0x01C0A000 +#define SUNXI_EMAC_BASE 0x01C0B000 +#define SUNXI_LCD0_BASE 0x01C0C000 +#define SUNXI_LCD1_BASE 0x01C0D000 +#define SUNXI_VE_BASE 0x01C0E000 +#define SUNXI_MMC0_BASE 0x01C0F000 +#define SUNXI_MMC1_BASE 0x01C10000 +#define SUNXI_MMC2_BASE 0x01C11000 +#define SUNXI_MMC3_BASE 0x01C12000 +#define SUNXI_USB0_BASE 0x01C13000 +#define SUNXI_USB1_BASE 0x01C14000 +#define SUNXI_SS_BASE 0x01C15000 +#define SUNXI_HDMI_BASE 0x01C16000 +#define SUNXI_SPI2_BASE 0x01C17000 +#define SUNXI_SATA_BASE 0x01C18000 +#define SUNXI_PATA_BASE 0x01C19000 +#define SUNXI_ACE_BASE 0x01C1A000 +#define SUNXI_TVE1_BASE 0x01C1B000 +#define SUNXI_USB2_BASE 0x01C1C000 +#define SUNXI_CSI1_BASE 0x01C1D000 +#define SUNXI_TZASC_BASE 0x01C1E000 +#define SUNXI_SPI3_BASE 0x01C1F000 + +#define SUNXI_CCM_BASE 0x01C20000 +#define SUNXI_INTC_BASE 0x01C20400 +#define SUNXI_PIO_BASE 0x01C20800 +#define SUNXI_TIMER_BASE 0x01C20C00 +#define SUNXI_SPDIF_BASE 0x01C21000 +#define SUNXI_AC97_BASE 0x01C21400 +#define SUNXI_IR0_BASE 0x01C21800 +#define SUNXI_IR1_BASE 0x01C21C00 + +#define SUNXI_IIS_BASE 0x01C22400 +#define SUNXI_LRADC_BASE 0x01C22800 +#define SUNXI_AD_DA_BASE 0x01C22C00 +#define SUNXI_KEYPAD_BASE 0x01C23000 +#define SUNXI_TZPC_BASE 0x01C23400 +#define SUNXI_SID_BASE 0x01C23800 +#define SUNXI_SJTAG_BASE 0x01C23C00 + +#define SUNXI_TP_BASE 0x01C25000 +#define SUNXI_PMU_BASE 0x01C25400 + +#define SUNXI_UART0_BASE 0x01C28000 +#define SUNXI_UART1_BASE 0x01C28400 +#define SUNXI_UART2_BASE 0x01C28800 +#define SUNXI_UART3_BASE 0x01C28C00 +#define SUNXI_UART4_BASE 0x01C29000 +#define SUNXI_UART5_BASE 0x01C29400 +#define SUNXI_UART6_BASE 0x01C29800 +#define SUNXI_UART7_BASE 0x01C29C00 +#define SUNXI_PS2_0_BASE 0x01C2A000 +#define SUNXI_PS2_1_BASE 0x01C2A400 + +#define SUNXI_TWI0_BASE 0x01C2AC00 +#define SUNXI_TWI1_BASE 0x01C2B000 +#define SUNXI_TWI2_BASE 0x01C2B400 + +#define SUNXI_CAN_BASE 0x01C2BC00 + +#define SUNXI_SCR_BASE 0x01C2C400 + +#define SUNXI_GPS_BASE 0x01C30000 +#define SUNXI_MALI400_BASE 0x01C40000 + +/* module sram */ +#define SUNXI_SRAM_C_BASE 0x01D00000 + +#define SUNXI_DE_FE0_BASE 0x01E00000 +#define SUNXI_DE_FE1_BASE 0x01E20000 +#define SUNXI_DE_BE0_BASE 0x01E60000 +#define SUNXI_DE_BE1_BASE 0x01E40000 +#define SUNXI_MP_BASE 0x01E80000 +#define SUNXI_AVG_BASE 0x01EA0000 + +/* CoreSight Debug Module */ +#define SUNXI_CSDM_BASE 0x3F500000 + +#define SUNXI_DDRII_DDRIII_BASE 0x40000000 /* 2G */ + +#define SUNXI_BROM_BASE 0xFFFF0000 /* 32K */ + +#define SUNXI_CPU_CFG (SUNXI_TIMER_BASE + 0x13c) + +#ifndef __ASSEMBLY__ +/* boot type */ +enum sunxi_boot_type_t { + SUNXI_BOOT_TYPE_NULL, + SUNXI_BOOT_TYPE_MMC0, + SUNXI_BOOT_TYPE_NAND, + SUNXI_BOOT_TYPE_MMC2, + SUNXI_BOOT_TYPE_SPI +}; + +void sunxi_board_init(void); +extern void sunxi_reset(void); +#endif /* __ASSEMBLY__ */ + +#endif /* _CPU_H */ Index: arch/arm/include/asm/arch-sunxi/dram.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/dram.h @@ -0,0 +1,114 @@ +/* + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Berg Xing <bergxing@allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Sunxi platform dram register definition. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_DRAM_H +#define _SUNXI_DRAM_H + +struct sunxi_dram_reg { + u32 ccr; /* 0x00 controller configuration register */ + u32 dcr; /* 0x04 dram configuration register */ + u32 iocr; /* 0x08 i/o configuration register */ + u32 csr; /* 0x0c controller status register */ + u32 drr; /* 0x10 dram refresh register */ + u32 tpr0; /* 0x14 dram timing parameters register 0 */ + u32 tpr1; /* 0x18 dram timing parameters register 1 */ + u32 tpr2; /* 0x1c dram timing parameters register 2 */ + u32 gdllcr; /* 0x20 global dll control register */ + u8 res0[0x28]; + u32 rslr0; /* 0x4c rank system latency register */ + u32 rslr1; /* 0x50 rank system latency register */ + u8 res1[0x8]; + u32 rdgr0; /* 0x5c rank dqs gating register */ + u32 rdgr1; /* 0x60 rank dqs gating register */ + u8 res2[0x34]; + u32 odtcr; /* 0x98 odt configuration register */ + u32 dtr0; /* 0x9c data training register 0 */ + u32 dtr1; /* 0xa0 data training register 1 */ + u32 dtar; /* 0xa4 data training address register */ + u32 zqcr0; /* 0xa8 zq control register 0 */ + u32 zqcr1; /* 0xac zq control register 1 */ + u32 zqsr; /* 0xb0 zq status register */ + u32 idcr; /* 0xb4 initializaton delay configure reg */ + u8 res3[0x138]; + u32 mr; /* 0x1f0 mode register */ + u32 emr; /* 0x1f4 extended mode register */ + u32 emr2; /* 0x1f8 extended mode register */ + u32 emr3; /* 0x1fc extended mode register */ + u32 dllctr; /* 0x200 dll control register */ + u32 dllcr[5]; /* 0x204 dll control register 0(byte 0) */ + /* 0x208 dll control register 1(byte 1) */ + /* 0x20c dll control register 2(byte 2) */ + /* 0x210 dll control register 3(byte 3) */ + /* 0x214 dll control register 4(byte 4) */ + u32 dqtr0; /* 0x218 dq timing register */ + u32 dqtr1; /* 0x21c dq timing register */ + u32 dqtr2; /* 0x220 dq timing register */ + u32 dqtr3; /* 0x224 dq timing register */ + u32 dqstr; /* 0x228 dqs timing register */ + u32 dqsbtr; /* 0x22c dqsb timing register */ + u32 mcr; /* 0x230 mode configure register */ + u8 res[0x8]; + u32 ppwrsctl; /* 0x23c pad power save control */ + u32 apr; /* 0x240 arbiter period register */ + u32 pldtr; /* 0x244 priority level data threshold reg */ + u8 res5[0x8]; + u32 hpcr[32]; /* 0x250 host port configure register */ + u8 res6[0x10]; + u32 csel; /* 0x2e0 controller select register */ +}; + +struct dram_para { + u32 clock; + u32 type; + u32 rank_num; + u32 density; + u32 io_width; + u32 bus_width; + u32 cas; + u32 zq; + u32 odt_en; + u32 size; + u32 tpr0; + u32 tpr1; + u32 tpr2; + u32 tpr3; + u32 tpr4; + u32 tpr5; + u32 emr1; + u32 emr2; + u32 emr3; +}; + +#define SUN5I_DRAM_MCR_DCLK_OUT_OFFSET 16 +#define SUN4I_CCM_SDRAM_DCLK_OUT_OFFSET 15 + +#define DRAM_CTRL_SELECT_MAGIC 0x16237495 + +int sunxi_dram_init(void); +int dramc_init(struct dram_para *para); + +#endif /* _SUNXI_DRAM_H */ Index: arch/arm/include/asm/arch-sunxi/early_print.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/early_print.h @@ -0,0 +1,58 @@ +/* + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Early uart print for debugging. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_EARLY_PRINT_H +#define _SUNXI_EARLY_PRINT_H + +#include <asm/arch/clock.h> + +#define UART0_RBR (SUNXI_UART0_BASE + 0x0) /* receive buffer register */ +#define UART0_THR (SUNXI_UART0_BASE + 0x0) /* transmit holding register */ +#define UART0_DLL (SUNXI_UART0_BASE + 0x0) /* divisor latch low register */ + +#define UART0_DLH (SUNXI_UART0_BASE + 0x4) /* divisor latch high register */ +#define UART0_IER (SUNXI_UART0_BASE + 0x4) /* interrupt enable reigster */ + +#define UART0_IIR (SUNXI_UART0_BASE + 0x8) /* interrupt identity register */ +#define UART0_FCR (SUNXI_UART0_BASE + 0x8) /* fifo control register */ + +#define UART0_LCR (SUNXI_UART0_BASE + 0xc) /* line control register */ + +#define UART0_LSR (SUNXI_UART0_BASE + 0x14) /* line status register */ + +#define BAUD_115200 (0xD) /* 24 * 1000 * 1000 / 16 / 115200 = 13 */ +#define NO_PARITY (0) +#define ONE_STOP_BIT (0) +#define DAT_LEN_8_BITS (3) +#define LC_8_N_1 (NO_PARITY << 3 | ONE_STOP_BIT << 2 | DAT_LEN_8_BITS) + +#ifndef __ASSEMBLY__ +int uart0_init(void); +void uart0_putc(char c); +void uart0_puts(const char *s); +#endif /* __ASSEMBLY__ */ + +#endif /* _SUNXI_EARLY_PRINT_H */ Index: arch/arm/include/asm/arch-sunxi/gpio.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/gpio.h @@ -0,0 +1,166 @@ +/* + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_GPIO_H +#define _SUNXI_GPIO_H + +/* + * sunxi has 9 banks of gpio, they are: + * PA0 - PA17 | PB0 - PB23 | PC0 - PC24 + * PD0 - PD27 | PE0 - PE31 | PF0 - PF5 + * PG0 - PG9 | PH0 - PH27 | PI0 - PI12 + */ + +#define SUNXI_GPIO_A 0 +#define SUNXI_GPIO_B 1 +#define SUNXI_GPIO_C 2 +#define SUNXI_GPIO_D 3 +#define SUNXI_GPIO_E 4 +#define SUNXI_GPIO_F 5 +#define SUNXI_GPIO_G 6 +#define SUNXI_GPIO_H 7 +#define SUNXI_GPIO_I 8 + +struct sunxi_gpio { + u32 cfg[4]; + u32 dat; + u32 drv[2]; + u32 pull[2]; +}; + +/* gpio interrupt control */ +struct sunxi_gpio_int { + u32 cfg[3]; + u32 ctl; + u32 sta; + u32 deb; /* interrupt debounce */ +}; + +struct sunxi_gpio_reg { + struct sunxi_gpio gpio_bank[9]; + u8 res[0xbc]; + struct sunxi_gpio_int gpio_int; +}; + +#define GPIO_BANK(pin) ((pin) >> 5) +#define GPIO_NUM(pin) ((pin) & 0x1F) + +#define GPIO_CFG_INDEX(pin) (((pin) & 0x1F) >> 3) +#define GPIO_CFG_OFFSET(pin) ((((pin) & 0x1F) & 0x7) << 2) + +/* GPIO bank sizes */ +#define SUNXI_GPIO_A_NR 32 +#define SUNXI_GPIO_B_NR 32 +#define SUNXI_GPIO_C_NR 32 +#define SUNXI_GPIO_D_NR 32 +#define SUNXI_GPIO_E_NR 32 +#define SUNXI_GPIO_F_NR 32 +#define SUNXI_GPIO_G_NR 32 +#define SUNXI_GPIO_H_NR 32 +#define SUNXI_GPIO_I_NR 32 + +#define SUNXI_GPIO_NEXT(__gpio) \ + ((__gpio##_START) + (__gpio##_NR) + 0) + +enum sunxi_gpio_number { + SUNXI_GPIO_A_START = 0, + SUNXI_GPIO_B_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_A), + SUNXI_GPIO_C_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_B), + SUNXI_GPIO_D_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_C), + SUNXI_GPIO_E_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_D), + SUNXI_GPIO_F_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_E), + SUNXI_GPIO_G_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_F), + SUNXI_GPIO_H_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_G), + SUNXI_GPIO_I_START = SUNXI_GPIO_NEXT(SUNXI_GPIO_H), +}; + +/* SUNXI GPIO number definitions */ +#define SUNXI_GPA(_nr) (SUNXI_GPIO_A_START + (_nr)) +#define SUNXI_GPB(_nr) (SUNXI_GPIO_B_START + (_nr)) +#define SUNXI_GPC(_nr) (SUNXI_GPIO_C_START + (_nr)) +#define SUNXI_GPD(_nr) (SUNXI_GPIO_D_START + (_nr)) +#define SUNXI_GPE(_nr) (SUNXI_GPIO_E_START + (_nr)) +#define SUNXI_GPF(_nr) (SUNXI_GPIO_F_START + (_nr)) +#define SUNXI_GPG(_nr) (SUNXI_GPIO_G_START + (_nr)) +#define SUNXI_GPH(_nr) (SUNXI_GPIO_H_START + (_nr)) +#define SUNXI_GPI(_nr) (SUNXI_GPIO_I_START + (_nr)) + +/* GPIO pin function config */ +#define SUNXI_GPIO_INPUT 0 +#define SUNXI_GPIO_OUTPUT 1 + +#define SUNXI_GPA0_ERXD3 2 +#define SUNXI_GPA0_SPI1_CS0 3 +#define SUNXI_GPA0_UART2_RTS 4 + +#define SUNXI_GPA1_ERXD2 2 +#define SUNXI_GPA1_SPI1_CLK 3 +#define SUNXI_GPA1_UART2_CTS 4 + +#define SUNXI_GPA2_ERXD1 2 +#define SUNXI_GPA2_SPI1_MOSI 3 +#define SUNXI_GPA2_UART2_TX 4 + +#define SUNXI_GPA10_UART1_TX 4 +#define SUNXI_GPA11_UART1_RX 4 + +#define SUN4I_GPB22_UART0_TX 2 +#define SUN4I_GPB23_UART0_RX 2 + +#define SUN5I_GPG3_UART0_TX 4 +#define SUN5I_GPG4_UART0_RX 4 + +#define SUNXI_GPC2_NCLE 2 +#define SUNXI_GPC2_SPI0_CLK 3 + +#define SUNXI_GPC6_NRB0 2 +#define SUNXI_GPC6_SDC2_CMD 3 + +#define SUNXI_GPC7_NRB1 2 +#define SUNXI_GPC7_SDC2_CLK 3 + +#define SUNXI_GPC8_NDQ0 2 +#define SUNXI_GPC8_SDC2_D0 3 + +#define SUNXI_GPC9_NDQ1 2 +#define SUNXI_GPC9_SDC2_D1 3 + +#define SUNXI_GPC10_NDQ2 2 +#define SUNXI_GPC10_SDC2_D2 3 + +#define SUNXI_GPC11_NDQ3 2 +#define SUNXI_GPC11_SDC2_D3 3 + +#define SUNXI_GPF2_SDC0_CLK 2 +#define SUNXI_GPF2_UART0_TX 4 + +#define SUNXI_GPF4_SDC0_D3 2 +#define SUNXI_GPF4_UART0_RX 4 + +int sunxi_gpio_set_cfgpin(u32 pin, u32 val); +int sunxi_gpio_get_cfgpin(u32 pin); +int name_to_gpio(const char *name); +#define name_to_gpio name_to_gpio + +#endif /* _SUNXI_GPIO_H */ Index: arch/arm/include/asm/arch-sunxi/i2c.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/i2c.h @@ -0,0 +1,185 @@ +/* + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * Based on sun4i linux kernle i2c.h + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tanglaing@allwinnertech.com> + * Victor Wei <weiziheng@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef _SUNXI_I2C_H_ +#define _SUNXI_I2C_H_ + +struct i2c { + u32 saddr; /* 31:8bit res,7-1bit for slave addr,0 bit for GCE */ + u32 xsaddr; /* 31:8bit res,7-0bit for second addr in 10bit addr */ + u32 data; /* 31:8bit res, 7-0bit send or receive data byte */ + u32 ctl; /* INT_EN,BUS_EN,M_STA,INT_FLAG,A_ACK */ + u32 status; /* 28 interrupt types + 0xF8 normal type = 29 */ + u32 clkr; /* 31:7bit res,6-3bit,CLK_M,2-0bit CLK_N */ + u32 reset; /* 31:1bit res;0bit,write 1 to clear 0. */ + u32 efr; /* 31:2bit res,1:0 bit data byte follow read comand */ + u32 lctl; /* 31:6bits res 5:0bit for sda&scl control */ +}; + +/* TWI address register */ +#define TWI_GCE_EN (0x1 << 0) /* gen call addr enable slave mode */ +#define TWI_ADDR_MASK (0x7f << 1) /* 7:1bits */ +#define TWI_XADDR_MASK 0xff /* 7:0bits for extend slave address */ + +#define TWI_DATA_MASK 0xff /* 7:0bits for send or received */ + +/* TWI Control Register Bit Fields */ +/* 1:0 bits reserved */ +/* set 1 to send A_ACK,then low level on SDA */ +#define TWI_CTL_ACK (0x1 << 2) +/* INT_FLAG,interrupt status flag: set '1' when interrupt coming */ +#define TWI_CTL_INTFLG (0x1 << 3) +#define TWI_CTL_STP (0x1 << 4) /* M_STP,Automatic clear 0 */ +#define TWI_CTL_STA (0x1 << 5) /* M_STA,atutomatic clear 0 */ +#define TWI_CTL_BUSEN (0x1 << 6) /* BUS_EN, mastr mode should be set 1 */ +#define TWI_CTL_INTEN (0x1 << 7) /* INT_EN */ +/* 31:8 bit reserved */ + +/* + * TWI Clock Register Bit Fields & Masks,default value:0x0000_0000 + * Fin is APB CLOCK INPUT; + * Fsample = F0 = Fin/2^CLK_N; + * F1 = F0/(CLK_M+1); + * + * Foscl = F1/10 = Fin/(2^CLK_N * (CLK_M+1)*10); + * Foscl is clock SCL;standard mode:100KHz or fast mode:400KHz + */ + +#define TWI_CLK_DIV_M (0xF << 3) /* 6:3bit */ +#define TWI_CLK_DIV_N (0x7 << 0) /* 2:0bit */ +#define TWI_CLK_DIV(N, M) ((((N) & 0xF) << 3) | (((M) & 0x7) << 0)) + +/* TWI Soft Reset Register Bit Fields & Masks */ +/* write 1 to clear 0, when complete soft reset clear 0 */ +#define TWI_SRST_SRST (0x1 << 0) + +/* TWI Enhance Feature Register Bit Fields & Masks */ +/* default -- 0x0 */ +/* 00:no,01: 1byte, 10:2 bytes, 11: 3bytes */ +#define TWI_EFR_MASK (0x3 << 0) +#define TWI_EFR_WARC_0 (0x0 << 0) +#define TWI_EFR_WARC_1 (0x1 << 0) +#define TWI_EFR_WARC_2 (0x2 << 0) +#define TWI_EFR_WARC_3 (0x3 << 0) + +/* twi line control register -default value: 0x0000_003a */ +/* SDA line state control enable ,1:enable;0:disable */ +#define TWI_LCR_SDA_EN (0x01 << 0) +/* SDA line state control bit, 1:high level;0:low level */ +#define TWI_LCR_SDA_CTL (0x01 << 1) +/* SCL line state control enable ,1:enable;0:disable */ +#define TWI_LCR_SCL_EN (0x01 << 2) +/* SCL line state control bit, 1:high level;0:low level */ +#define TWI_LCR_SCL_CTL (0x01 << 3) +/* current state of SDA,readonly bit */ +#define TWI_LCR_SDA_STATE_MASK (0x01 << 4) +/* current state of SCL,readonly bit */ +#define TWI_LCR_SCL_STATE_MASK (0x01 << 5) +/* 31:6bits reserved */ +#define TWI_LCR_IDLE_STATUS 0x3a + +/* TWI Status Register Bit Fields & Masks */ +#define TWI_STAT_MASK 0xff +/* 7:0 bits use only,default is 0xF8 */ +#define TWI_STAT_BUS_ERR 0x00 /* BUS ERROR */ + +/* Master mode use only */ +#define TWI_STAT_TX_STA 0x08 /* START condition transmitted */ +/* Repeated START condition transmitted */ +#define TWI_STAT_TX_RESTA 0x10 +/* Address+Write bit transmitted, ACK received */ +#define TWI_STAT_TX_AW_ACK 0x18 +/* Address+Write bit transmitted, ACK not received */ +#define TWI_STAT_TX_AW_NAK 0x20 +/* data byte transmitted in master mode,ack received */ +#define TWI_STAT_TXD_ACK 0x28 +/* data byte transmitted in master mode ,ack not received */ +#define TWI_STAT_TXD_NAK 0x30 +/* arbitration lost in address or data byte */ +#define TWI_STAT_ARBLOST 0x38 +/* Address+Read bit transmitted, ACK received */ +#define TWI_STAT_TX_AR_ACK 0x40 +/* Address+Read bit transmitted, ACK not received */ +#define TWI_STAT_TX_AR_NAK 0x48 +/* Second Address byte + Write bit transmitted, ACK received */ +#define TWI_STAT_TX_2AW_ACK 0xD0 +/* Second Address byte + Write bit transmitted, ACK received */ +#define TWI_STAT_TX_2AW_NAK 0xD8 +/* data byte received in master mode ,ack transmitted */ +#define TWI_STAT_RXD_ACK 0x50 +/* date byte received in master mode,not ack transmitted */ +#define TWI_STAT_RXD_NAK 0x58 + +/* Slave mode use only */ +/* Slave address+Write bit received, ACK transmitted */ +#define TWI_STAT_RXWS_ACK 0x60 +/* + * Arbitration lost in address as master, slave address + Write bit received, + * ACK transmitted + */ +#define TWI_STAT_ARBLOST_RXWS_ACK 0x68 +/* General Call address received, ACK transmitted */ +#define TWI_STAT_RXGCAS_ACK 0x70 +/* + * Arbitration lost in address as master, General Call address received, + * ACK transmitted + */ +#define TWI_STAT_ARBLOST_RXGCAS_ACK 0x78 +/* Data byte received after slave address received, ACK transmitted */ +#define TWI_STAT_RXDS_ACK 0x80 +/* Data byte received after slave address received, not ACK transmitted */ +#define TWI_STAT_RXDS_NAK 0x88 +/* Data byte received after General Call received, ACK transmitted */ +#define TWI_STAT_RXDGCAS_ACK 0x90 +/* Data byte received after General Call received, not ACK transmitted */ +#define TWI_STAT_RXDGCAS_NAK 0x98 +/* STOP or repeated START condition received in slave */ +#define TWI_STAT_RXSTPS_RXRESTAS 0xA0 +/* Slave address + Read bit received, ACK transmitted */ +#define TWI_STAT_RXRS_ACK 0xA8 +/* + * Arbitration lost in address as master, slave address + Read bit received, + * ACK transmitted + */ +#define TWI_STAT_ARBLOST_SLAR_ACK 0xB0 +/* Data byte transmitted in slave mode, ACK received */ +#define TWI_STAT_TXDS_ACK 0xB8 +/* Data byte transmitted in slave mode, ACK not received */ +#define TWI_STAT_TXDS_NAK 0xC0 +/* Last byte transmitted in slave mode, ACK received */ +#define TWI_STAT_TXDSL_ACK 0xC8 + +/* 10bit Address, second part of address */ +/* Second Address byte+Write bit transmitted,ACK received */ +#define TWI_STAT_TX_SAW_ACK 0xD0 +/* Second Address byte+Write bit transmitted,ACK not received */ +#define TWI_STAT_TX_SAW_NAK 0xD8 + +/* No relevant status infomation,INT_FLAG = 0 */ +#define TWI_STAT_IDLE 0xF8 + +#endif Index: arch/arm/include/asm/arch-sunxi/key.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/key.h @@ -0,0 +1,51 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_KEY_H +#define _SUNXI_KEY_H + +struct sunxi_lradc { + u32 ctrl; /* lradc control */ + u32 intc; /* interrupt control */ + u32 ints; /* interrupt status */ + u32 data0; /* lradc 0 data */ + u32 data1; /* lradc 1 data */ +}; + +#define LRADC_EN 0x1 /* LRADC enable */ +#define LRADC_SAMPLE_RATE 0x2 /* 32.25 Hz */ +#define LEVELB_VOL 0x2 /* 0x33(~1.6v) */ +#define LRADC_HOLD_EN 0x1 /* sample hold enable */ +#define KEY_MODE_SELECT 0x0 /* normal mode */ + +#define ADC0_DATA_PENDING (1 << 0) /* adc0 has data */ +#define ADC0_KEYDOWN_PENDING (1 << 1) /* key down */ +#define ADC0_HOLDKEY_PENDING (1 << 2) /* key hold */ +#define ADC0_ALRDY_HOLD_PENDING (1 << 3) /* key already hold */ +#define ADC0_KEYUP_PENDING (1 << 4) /* key up */ + +int sunxi_key_init(void); +u32 sunxi_read_key(void); + +#endif Index: arch/arm/include/asm/arch-sunxi/mmc.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/mmc.h @@ -0,0 +1,64 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Aaron <leafy.myeh@allwinnertech.com> + * + * MMC register definition for allwinner sunxi platform. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_MMC_H +#define _SUNXI_MMC_H + +struct sunxi_mmc { + u32 gctrl; /* (0x00) SMC Global Control Register */ + u32 clkcr; /* (0x04) SMC Clock Control Register */ + u32 timeout; /* (0x08) SMC Time Out Register */ + u32 width; /* (0x0C) SMC Bus Width Register */ + u32 blksz; /* (0x10) SMC Block Size Register */ + u32 bytecnt; /* (0x14) SMC Byte Count Register */ + u32 cmd; /* (0x18) SMC Command Register */ + u32 arg; /* (0x1C) SMC Argument Register */ + u32 resp0; /* (0x20) SMC Response Register 0 */ + u32 resp1; /* (0x24) SMC Response Register 1 */ + u32 resp2; /* (0x28) SMC Response Register 2 */ + u32 resp3; /* (0x2C) SMC Response Register 3 */ + u32 imask; /* (0x30) SMC Interrupt Mask Register */ + u32 mint; /* (0x34) SMC Masked Interrupt Status Reg */ + u32 rint; /* (0x38) SMC Raw Interrupt Status Register */ + u32 status; /* (0x3C) SMC Status Register */ + u32 ftrglevel; /* (0x40) SMC FIFO Threshold Watermark Reg */ + u32 funcsel; /* (0x44) SMC Function Select Register */ + u32 cbcr; /* (0x48) SMC CIU Byte Count Register */ + u32 bbcr; /* (0x4C) SMC BIU Byte Count Register */ + u32 dbgc; /* (0x50) SMC Debug Enable Register */ + u32 res0[11]; /* (0x54~0x7c) */ + u32 dmac; /* (0x80) SMC IDMAC Control Register */ + u32 dlba; /* (0x84) SMC IDMAC Descr List Base Addr Reg */ + u32 idst; /* (0x88) SMC IDMAC Status Register */ + u32 idie; /* (0x8C) SMC IDMAC Interrupt Enable Register */ + u32 chda; /* (0x90) */ + u32 cbda; /* (0x94) */ + u32 res1[26]; /* (0x98~0xff) */ + u32 fifo; /* (0x100) SMC FIFO Access Address */ +}; + +int sunxi_mmc_init(int sdc_no); +#endif /* _SUNXI_MMC_H */ Index: arch/arm/include/asm/arch-sunxi/spl.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/spl.h @@ -0,0 +1,36 @@ +/* + * This is a copy of omap3/spl.h: + * + * (C) Copyright 2012 + * Texas Instruments, <www.ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef _ASM_ARCH_SPL_H_ +#define _ASM_SPL_H_ + +#define BOOT_DEVICE_NONE 0 +#define BOOT_DEVICE_XIP 1 +#define BOOT_DEVICE_NAND 2 +#define BOOT_DEVICE_ONE_NAND 3 +#define BOOT_DEVICE_MMC2 5 /*emmc*/ +#define BOOT_DEVICE_MMC1 6 +#define BOOT_DEVICE_XIPWAIT 7 +#define BOOT_DEVICE_MMC2_2 0xFF +#endif Index: arch/arm/include/asm/arch-sunxi/sys_proto.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/sys_proto.h @@ -0,0 +1,31 @@ +/* + * (C) Copyright 2007-2012 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SYS_PROTO_H_ +#define _SYS_PROTO_H_ + +void sr32(u32 *, u32, u32, u32); +void sdelay(unsigned long); + +#endif Index: arch/arm/include/asm/arch-sunxi/timer.h =================================================================== --- /dev/null +++ arch/arm/include/asm/arch-sunxi/timer.h @@ -0,0 +1,102 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Configuration settings for the Allwinner A10-evb board. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_TIMER_H_ +#define _SUNXI_TIMER_H_ + +#ifndef __ASSEMBLY__ + +/* General purpose timer */ +struct sunxi_timer { + u32 ctl; + u32 inter; + u32 val; + u8 res[4]; +}; + +/* Audio video sync*/ +struct sunxi_avs { + u32 ctl; /* 0x80 */ + u32 cnt0; /* 0x84 */ + u32 cnt1; /* 0x88 */ + u32 div; /* 0x8c */ +}; + +/* 64 bit counter */ +struct sunxi_64cnt { + u32 ctl; /* 0xa0 */ + u32 lo; /* 0xa4 */ + u32 hi; /* 0xa8 */ +}; + +/* Watchdog */ +struct sunxi_wdog { + u32 ctl; /* 0x90 */ + u32 mode; /* 0x94 */ +}; + +/* Rtc */ +struct sunxi_rtc { + u32 ctl; /* 0x100 */ + u32 yymmdd; /* 0x104 */ + u32 hhmmss; /* 0x108 */ +}; + +/* Alarm */ +struct sunxi_alarm { + u32 ddhhmmss; /* 0x10c */ + u32 hhmmss; /* 0x110 */ + u32 en; /* 0x114 */ + u32 irqen; /* 0x118 */ + u32 irqsta; /* 0x11c */ +}; + +/* Timer general purpose register */ +struct sunxi_tgp { + u32 tgpd; +}; + +struct sunxi_timer_reg { + u32 tirqen; /* 0x00 */ + u32 tirqsta; /* 0x04 */ + u8 res1[8]; + struct sunxi_timer timer[6]; /* We have 6 timers */ + u8 res2[16]; + struct sunxi_avs avs; + struct sunxi_wdog wdog; + u8 res3[8]; + struct sunxi_64cnt cnt64; + u8 res4[0x58]; + struct sunxi_rtc rtc; + struct sunxi_alarm alarm; + struct sunxi_tgp tgp[4]; + u8 res5[8]; + u32 cpu_cfg; +}; + +#endif /* __ASSEMBLY__ */ + +#endif Index: board/sunxi/board.c =================================================================== --- /dev/null +++ board/sunxi/board.c @@ -0,0 +1,114 @@ +/* + * (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Some board init for the Allwinner A10-evb board. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/dram.h> +#include <asm/arch/clock.h> +#include <asm/arch/mmc.h> +#include <axp209.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* add board specific code here */ +int board_init(void) +{ + gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100); + + return 0; +} + +#ifdef CONFIG_DISPLAY_BOARDINFO +int checkboard(void) +{ + printf("Board: %s\n", CONFIG_SYS_BOARD_NAME); + + return 0; +} +#endif + +int dram_init(void) +{ + gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, 1 << 30); + + return 0; +} + +#ifdef CONFIG_GENERIC_MMC +int board_mmc_init(bd_t *bis) +{ + sunxi_mmc_init(CONFIG_MMC_SUNXI_SLOT); + + return 0; +} +#endif + +#ifdef CONFIG_SPL_BUILD +void sunxi_board_init(void) +{ + int power_failed = 0; + int ramsize; + + printf("DRAM:"); + ramsize = sunxi_dram_init(); + if (!ramsize) { + printf(" ?"); + ramsize = sunxi_dram_init(); + } + if (!ramsize) { + printf(" ?"); + ramsize = sunxi_dram_init(); + } + printf(" %dMB\n", ramsize>>20); + if (!ramsize) + hang(); + +#ifdef CONFIG_AXP209_POWER + power_failed |= axp209_init(); + power_failed |= axp209_set_dcdc2(1400); + power_failed |= axp209_set_dcdc3(1250); + power_failed |= axp209_set_ldo2(3000); + power_failed |= axp209_set_ldo3(2800); + power_failed |= axp209_set_ldo4(2800); +#endif + + /* + * Only clock up the CPU to full speed if we are reasonably + * assured it's being powered with suitable core voltage + */ + if (!power_failed) + clock_set_pll1(1008000000); +} + +#ifdef CONFIG_SPL_DISPLAY_PRINT +void spl_display_print(void) +{ + printf("Board: %s\n", CONFIG_SYS_BOARD_NAME); +} +#endif + +#endif Index: board/sunxi/dram_a13_mid.c =================================================================== --- /dev/null +++ board/sunxi/dram_a13_mid.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 408, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 8, + .bus_width = 16, + .cas = 9, + .zq = 123, + .odt_en = 1, + .size = 512, + .tpr0 = 0x42d899b7, + .tpr1 = 0xa090, + .tpr2 = 0x22a00, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0x4, + .emr2 = 0x10, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_a13_oli_micro.c =================================================================== --- /dev/null +++ board/sunxi/dram_a13_oli_micro.c @@ -0,0 +1,32 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 408, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 16, + .bus_width = 16, + .cas = 9, + .zq = 123, + .odt_en = 0, + .size = 256, + .tpr0 = 0x42d899b7, + .tpr1 = 0xa090, + .tpr2 = 0x22a00, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0x10, + .emr3 = 0, + +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_a13_olinuxino.c =================================================================== --- /dev/null +++ board/sunxi/dram_a13_olinuxino.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 408, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 8, + .bus_width = 16, + .cas = 9, + .zq = 123, + .odt_en = 0, + .size = 512, + .tpr0 = 0x42d899b7, + .tpr1 = 0xa090, + .tpr2 = 0x22a00, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0x10, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_cubieboard_512.c =================================================================== --- /dev/null +++ board/sunxi/dram_cubieboard_512.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 480, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 16, + .bus_width = 32, + .cas = 6, + .zq = 123, + .odt_en = 0, + .size = 512, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_cubieboard.c =================================================================== --- /dev/null +++ board/sunxi/dram_cubieboard.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 480, + .type = 3, + .rank_num = 1, + .density = 4096, + .io_width = 16, + .bus_width = 32, + .cas = 6, + .zq = 123, + .odt_en = 0, + .size = 1024, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_hackberry.c =================================================================== --- /dev/null +++ board/sunxi/dram_hackberry.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 408, + .type = 3, + .rank_num = 1, + .density = 4096, + .io_width = 16, + .bus_width = 32, + .cas = 6, + .zq = 123, + .odt_en = 1, + .size = 1024, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_hyundai_a7hd.c =================================================================== --- /dev/null +++ board/sunxi/dram_hyundai_a7hd.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 360, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 8, + .bus_width = 32, + .cas = 6, + .zq = 123, + .odt_en = 0, + .size = 1024, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_mele_a1000.c =================================================================== --- /dev/null +++ board/sunxi/dram_mele_a1000.c @@ -0,0 +1,24 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 360, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 16, + .bus_width = 32, + .cas = 6, + .zq = 123, + .size = 512, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_mele_a3700.c =================================================================== --- /dev/null +++ board/sunxi/dram_mele_a3700.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 360, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 8, + .bus_width = 32, + .cas = 6, + .zq = 123, + .odt_en = 0, + .size = 1024, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_mini_x.c =================================================================== --- /dev/null +++ board/sunxi/dram_mini_x.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 360, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 16, + .bus_width = 32, + .cas = 6, + .zq = 123, + .odt_en = 0, + .size = 512, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0, + .emr2 = 0, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_mk802.c =================================================================== --- /dev/null +++ board/sunxi/dram_mk802.c @@ -0,0 +1,24 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 360, + .type = 3, + .rank_num = 1, + .density = 2048, + .io_width = 16, + .bus_width = 32, + .cas = 6, + .zq = 123, + .size = 512, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_mk802ii.c =================================================================== --- /dev/null +++ board/sunxi/dram_mk802ii.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 408, + .type = 3, + .rank_num = 1, + .density = 4096, + .io_width = 16, + .bus_width = 32, + .cas = 6, + .zq = 123, + .odt_en = 0, + .size = 1024, + .tpr0 = 0x30926692, + .tpr1 = 0x1090, + .tpr2 = 0x1a0c8, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0x4, + .emr2 = 0, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return dramc_init(&dram_para); +} Index: board/sunxi/dram_r7dongle.c =================================================================== --- /dev/null +++ board/sunxi/dram_r7dongle.c @@ -0,0 +1,31 @@ +/* this file is generated, don't edit it yourself */ + +#include <common.h> +#include <asm/arch/dram.h> + +static struct dram_para dram_para = { + .clock = 384, + .type = 3, + .rank_num = 1, + .density = 4096, + .io_width = 16, + .bus_width = 32, + .cas = 9, + .zq = 123, + .odt_en = 0, + .size = 1024, + .tpr0 = 0x42d899b7, + .tpr1 = 0xa090, + .tpr2 = 0x22a00, + .tpr3 = 0, + .tpr4 = 0, + .tpr5 = 0, + .emr1 = 0x04, + .emr2 = 0x10, + .emr3 = 0, +}; + +int sunxi_dram_init(void) +{ + return DRAMC_init(&dram_para); +} Index: board/sunxi/Makefile =================================================================== --- /dev/null +++ board/sunxi/Makefile @@ -0,0 +1,63 @@ +# +# (C) Copyriht 2012 Henrik Nordstrom <henrik@henriknordstrom.net> +# +# Based on some other board Makefile +# +# (C) Copyright 2000-2003 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB := $(obj)lib$(BOARD).o + +COBJS-y := board.o +COBJS-$(CONFIG_A13_OLINUXINO) += dram_a13_olinuxino.o +COBJS-$(CONFIG_A13_OLINUXINOM) += dram_a13_oli_micro.o +COBJS-$(CONFIG_A13_MID) += dram_a13_mid.o +COBJS-$(CONFIG_CUBIEBOARD) += dram_cubieboard.o +COBJS-$(CONFIG_CUBIEBOARD_512) += dram_cubieboard_512.o +COBJS-$(CONFIG_HACKBERRY) += dram_hackberry.o +COBJS-$(CONFIG_MELE_A1000) += dram_mele_a1000.o +COBJS-$(CONFIG_MINI_X) += dram_mini_x.o +COBJS-$(CONFIG_A7HD) += dram_hyundai_a7hd.o +COBJS-$(CONFIG_MK802) += dram_mk802.o +COBJS-$(CONFIG_MK802II) += dram_mk802ii.o +COBJS-$(CONFIG_MELE_A3700) += dram_mele_a3700.o +COBJS-$(CONFIG_R7DONGLE) += dram_r7dongle.o + +COBJS := $(COBJS-y) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(LIB) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################## Index: boards.cfg =================================================================== --- boards.cfg.orig +++ boards.cfg @@ -316,6 +316,23 @@ dalmore arm colibri_t20_iris arm armv7:arm720t colibri_t20_iris toradex tegra20 u8500_href arm armv7 u8500 st-ericsson u8500 snowball arm armv7 snowball st-ericsson u8500 +A13-OLinuXino arm armv7 sunxi - sunxi sun5i:A13_OLINUXINO,SPL +A13-OLinuXinoM arm armv7 sunxi - sunxi sun5i:A13_OLINUXINOM,SPL,NO_AXP +A13_MID arm armv7 sunxi - sunxi sun5i:A13_MID,SPL +Cubieboard arm armv7 sunxi - sunxi sun4i:CUBIEBOARD,SPL +Cubieboard_512 arm armv7 sunxi - sunxi sun4i:CUBIEBOARD_512,SPL +Hackberry arm armv7 sunxi - sunxi sun4i:HACKBERRY,SPL +Hyundai_A7HD arm armv7 sunxi - sunxi sun4i:A7HD,SPL +Mele_A1000 arm armv7 sunxi - sunxi sun4i:MELE_A1000,SPL +Mele_A3700 arm armv7 sunxi - sunxi sun4i:MELE_A3700,SPL +Mini-X arm armv7 sunxi - sunxi sun4i:MINI_X,SPL +sun4i arm armv7 sunxi - sunxi sun4i +sun4i_sdcon arm armv7 sunxi - sunxi sun4i:UART0_PORT_F +sun5i arm armv7 sunxi - sunxi sun5i +sun5i_sdcon arm armv7 sunxi - sunxi sun5i:UART0_PORT_F +mk802 arm armv7 sunxi - sunxi sun4i:MK802,SPL +mk802ii arm armv7 sunxi - sunxi sun4i:MK802II,SPL +r7-tv-dongle arm armv7 sunxi - sunxi sun5i:R7DONGLE,SPL,AXP152 kzm9g arm armv7 kzm9g kmc rmobile armadillo-800eva arm armv7 armadillo-800eva atmark-techno rmobile zynq arm armv7 zynq xilinx zynq Index: drivers/gpio/Makefile =================================================================== --- drivers/gpio/Makefile.orig +++ drivers/gpio/Makefile @@ -47,6 +47,7 @@ COBJS-$(CONFIG_OMAP_GPIO) += omap_gpio.o COBJS-$(CONFIG_DB8500_GPIO) += db8500_gpio.o COBJS-$(CONFIG_BCM2835_GPIO) += bcm2835_gpio.o COBJS-$(CONFIG_S3C2440_GPIO) += s3c2440_gpio.o +COBJS-$(CONFIG_SUNXI_GPIO) += sunxi_gpio.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) Index: drivers/gpio/sunxi_gpio.c =================================================================== --- /dev/null +++ drivers/gpio/sunxi_gpio.c @@ -0,0 +1,120 @@ +/* + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * Based on earlier arch/arm/cpu/armv7/sunxi/gpio.c: + * + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/gpio.h> + +static int sunxi_gpio_output(u32 pin, u32 val) +{ + u32 dat; + u32 bank = GPIO_BANK(pin); + u32 num = GPIO_NUM(pin); + struct sunxi_gpio *pio = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank]; + + dat = readl(&pio->dat); + if (val) + dat |= 1 << num; + else + dat &= ~(1 << num); + + writel(dat, &pio->dat); + + return 0; +} + +static int sunxi_gpio_input(u32 pin) +{ + u32 dat; + u32 bank = GPIO_BANK(pin); + u32 num = GPIO_NUM(pin); + struct sunxi_gpio *pio = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[bank]; + + dat = readl(&pio->dat); + dat >>= num; + + return dat & 0x1; +} + +int gpio_request(unsigned gpio, const char *label) +{ + return 0; +} + +int gpio_free(unsigned gpio) +{ + return 0; +} + +int gpio_direction_input(unsigned gpio) +{ + sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_INPUT); + + return sunxi_gpio_input(gpio); +} + +int gpio_direction_output(unsigned gpio, int value) +{ + sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_OUTPUT); + + return sunxi_gpio_output(gpio, value); +} + +int gpio_get_value(unsigned gpio) +{ + return sunxi_gpio_input(gpio); +} + +int gpio_set_value(unsigned gpio, int value) +{ + return sunxi_gpio_output(gpio, value); +} + +int name_to_gpio(const char *name) +{ + int group = 0; + int groupsize = 9 * 32; + long pin; + const char *eptr; + if (*name == 'P' || *name == 'p') + name++; + if (*name >= 'A') { + group = *name - (*name > 'a' ? 'a' : 'A'); + groupsize = 32; + name++; + } + + pin = simple_strtol(name, &eptr, 10); + if (!*name || *eptr) + return -1; + if (pin < 0 || pin > groupsize || group >= 9) + return -1; + return group * 32 + pin; +} Index: drivers/i2c/Makefile =================================================================== --- drivers/i2c/Makefile.orig +++ drivers/i2c/Makefile @@ -46,6 +46,7 @@ COBJS-$(CONFIG_TSI108_I2C) += tsi108_i2c COBJS-$(CONFIG_U8500_I2C) += u8500_i2c.o COBJS-$(CONFIG_SH_I2C) += sh_i2c.o COBJS-$(CONFIG_SH_SH7734_I2C) += sh_sh7734_i2c.o +COBJS-$(CONFIG_SUNXI_I2C) += sunxi_i2c.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) Index: drivers/i2c/sunxi_i2c.c =================================================================== --- /dev/null +++ drivers/i2c/sunxi_i2c.c @@ -0,0 +1,276 @@ +/* + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <i2c.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/i2c.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clock.h> + +static struct i2c __attribute__ ((section(".data"))) *i2c_base = + (struct i2c *)0x1c2ac00; + +void i2c_init(int speed, int slaveaddr) +{ + int timeout = 0x2ff; + + sunxi_gpio_set_cfgpin(SUNXI_GPB(0), 2); + sunxi_gpio_set_cfgpin(SUNXI_GPB(1), 2); + clock_twi_onoff(0, 1); + + /* Enable the i2c bus */ + writel(TWI_CTL_BUSEN, &i2c_base->ctl); + + /* 400KHz operation M=2, N=1, 24MHz APB clock */ + writel(TWI_CLK_DIV(2, 1), &i2c_base->clkr); + writel(TWI_SRST_SRST, &i2c_base->reset); + + while ((readl(&i2c_base->reset) & TWI_SRST_SRST) && timeout--); +} + +int i2c_probe(uchar chip) +{ + return -1; +} + +static int i2c_wait_ctl(int mask, int state) +{ + int timeout = 0x2ff; + int value = state ? mask : 0; + + debug("i2c_wait_ctl(%x == %x), ctl=%x, status=%x\n", mask, value, + i2c_base->ctl, i2c_base->status); + + while (((readl(&i2c_base->ctl) & mask) != value) && timeout-- > 0); + + debug("i2c_wait_ctl(), timeout=%d, ctl=%x, status=%x\n", timeout, + i2c_base->ctl, i2c_base->status); + + if (timeout != 0) + return 0; + else + return -1; +} + +static void i2c_clear_irq(void) +{ + writel(readl(&i2c_base->ctl) & ~TWI_CTL_INTFLG, &i2c_base->ctl); +} + +static int i2c_wait_irq(void) +{ + return i2c_wait_ctl(TWI_CTL_INTFLG, 1); +} + +static int i2c_wait_status(int status) +{ + int timeout = 0x2ff; + + while (readl(&i2c_base->status) != status && timeout-- > 0); + + if (timeout != 0) + return 0; + else + return -1; +} + +static int i2c_wait_irq_status(int status) +{ + if (i2c_wait_irq() != 0) + return -1; + + if (readl(&i2c_base->status) != status) + return -1; + + return 0; +} + +static int i2c_wait_bus_idle(void) +{ + int timeout = 0x2ff; + + while (readl(&i2c_base->lctl) != 0x3a && timeout-- > 0); + + if (timeout != 0) + return 0; + else + return -1; +} + +static int i2c_stop(void) +{ + u32 ctl; + + ctl = readl(&i2c_base->ctl) & 0xc0; + ctl |= TWI_CTL_STP; + + writel(ctl, &i2c_base->ctl); + + /* dummy to delay one I/O operation to make sure it's started */ + (void)readl(&i2c_base->ctl); + + if (i2c_wait_ctl(TWI_CTL_STP, 0) != 0) + return -1; + if (i2c_wait_status(TWI_STAT_IDLE)) + return -1; + if (i2c_wait_bus_idle() != 0) + return -1; + + return 0; +} + +static int i2c_send_data(u8 data, u8 status) +{ + debug("i2c_write(%02x, %x), ctl=%x, status=%x\n", data, status, + i2c_base->ctl, i2c_base->status); + + writel(data, &i2c_base->data); + i2c_clear_irq(); + + if (i2c_wait_irq_status(status) != 0) + return -1; + + return 0; +} + +static int i2c_start(int status) +{ + u32 ctl; + + debug("i2c_start(%x), ctl=%x, status=%x\n", status, i2c_base->ctl, + i2c_base->status); + /* Check that the controller is idle */ + if (status == TWI_STAT_TX_STA + && readl(&i2c_base->status) != TWI_STAT_IDLE) { + return -1; + } + + writel(0, &i2c_base->efr); + + /* Send start */ + ctl = readl(&i2c_base->ctl); + ctl |= TWI_CTL_STA; /* Set start bit */ + ctl &= ~TWI_CTL_INTFLG; /* Clear int flag */ + writel(ctl, &i2c_base->ctl); + + if (i2c_wait_ctl(TWI_CTL_STA, 0) != 0) + return -1; + if (i2c_wait_irq_status(status) != 0) + return -1; + + return 0; +} + +int i2c_do_read(uchar chip, uint addr, int alen, uchar *buffer, int len) +{ + u32 status; + u32 ctl; + + if (i2c_start(TWI_STAT_TX_STA) != 0) + return -1; + + /* Send chip address */ + if (i2c_send_data(chip << 1 | 0, TWI_STAT_TX_AW_ACK) != 0) + return -1; + + /* Send data address */ + if (i2c_send_data(addr, TWI_STAT_TXD_ACK) != 0) + return -1; + + /* Send restart for read */ + if (i2c_start(TWI_STAT_TX_RESTA) != 0) + return -1; + + /* Send chip address */ + if (i2c_send_data(chip << 1 | 1, TWI_STAT_TX_AR_ACK) != 0) + return -1; + + /* Set ACK mode */ + ctl = readl(&i2c_base->ctl); + ctl |= TWI_CTL_ACK; + writel(ctl, &i2c_base->ctl); + status = TWI_STAT_RXD_ACK; + + /* Read data */ + while (len > 0) { + if (len == 1) { + /* Set NACK mode (last byte) */ + ctl = readl(&i2c_base->ctl); + ctl &= ~TWI_CTL_ACK; + writel(ctl, &i2c_base->ctl); + status = TWI_STAT_RXD_NAK; + } + + i2c_clear_irq(); + if (i2c_wait_irq_status(status) != 0) + return -1; + + *buffer++ = readl(&i2c_base->data); + len--; + } + + return 0; +} + +int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) +{ + int rc = i2c_do_read(chip, addr, alen, buffer, len); + + i2c_stop(); + + return rc; +} + +static int i2c_do_write(uchar chip, uint addr, int alen, uchar *buffer, + int len) +{ + if (i2c_start(TWI_STAT_TX_STA) != 0) + return -1; + + /* Send chip address */ + if (i2c_send_data(chip << 1 | 0, TWI_STAT_TX_AW_ACK) != 0) + return -1; + + /* Send data address */ + if (i2c_send_data(addr, TWI_STAT_TXD_ACK) != 0) + return -1; + + /* Send data */ + while (len > 0) { + if (i2c_send_data(*buffer++, TWI_STAT_TXD_ACK) != 0) + return -1; + len--; + } + + return 0; +} + +int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) +{ + int rc = i2c_do_write(chip, addr, alen, buffer, len); + + i2c_stop(); + + return rc; +} Index: drivers/mmc/Makefile =================================================================== --- drivers/mmc/Makefile.orig +++ drivers/mmc/Makefile @@ -49,6 +49,7 @@ COBJS-$(CONFIG_SH_MMCIF) += sh_mmcif.o COBJS-$(CONFIG_TEGRA_MMC) += tegra_mmc.o COBJS-$(CONFIG_DWMMC) += dw_mmc.o COBJS-$(CONFIG_EXYNOS_DWMMC) += exynos_dw_mmc.o +COBJS-$(CONFIG_MMC_SUNXI) += sunxi_mmc.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) Index: drivers/mmc/sunxi_mmc.c =================================================================== --- /dev/null +++ drivers/mmc/sunxi_mmc.c @@ -0,0 +1,665 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Aaron <leafy.myeh@allwinnertech.com> + * + * MMC driver for allwinner sunxi platform. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/cpu.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> +#include <asm/arch/mmc.h> +#include <malloc.h> +#include <mmc.h> + +static void dumphex32(char *name, char *base, int len) +{ + __u32 i; + + debug("dump %s registers:", name); + for (i = 0; i < len; i += 4) { + if (!(i & 0xf)) + debug("\n0x%p : ", base + i); + debug("0x%08x ", readl(base + i)); + } + debug("\n"); +} + +static void dumpmmcreg(struct sunxi_mmc *reg) +{ + debug("dump mmc registers:\n"); + debug("gctrl 0x%08x\n", reg->gctrl); + debug("clkcr 0x%08x\n", reg->clkcr); + debug("timeout 0x%08x\n", reg->timeout); + debug("width 0x%08x\n", reg->width); + debug("blksz 0x%08x\n", reg->blksz); + debug("bytecnt 0x%08x\n", reg->bytecnt); + debug("cmd 0x%08x\n", reg->cmd); + debug("arg 0x%08x\n", reg->arg); + debug("resp0 0x%08x\n", reg->resp0); + debug("resp1 0x%08x\n", reg->resp1); + debug("resp2 0x%08x\n", reg->resp2); + debug("resp3 0x%08x\n", reg->resp3); + debug("imask 0x%08x\n", reg->imask); + debug("mint 0x%08x\n", reg->mint); + debug("rint 0x%08x\n", reg->rint); + debug("status 0x%08x\n", reg->status); + debug("ftrglevel 0x%08x\n", reg->ftrglevel); + debug("funcsel 0x%08x\n", reg->funcsel); + debug("dmac 0x%08x\n", reg->dmac); + debug("dlba 0x%08x\n", reg->dlba); + debug("idst 0x%08x\n", reg->idst); + debug("idie 0x%08x\n", reg->idie); +} + +struct sunxi_mmc_des { + u32 reserved1_1:1; + u32 dic:1; /* disable interrupt on completion */ + u32 last_des:1; /* 1-this data buffer is the last buffer */ + u32 first_des:1; /* 1-data buffer is the first buffer, + 0-data buffer contained in the next + descriptor is 1st buffer */ + u32 des_chain:1; /* 1-the 2nd address in the descriptor is the + next descriptor address */ + u32 end_of_ring:1; /* 1-last descriptor flag when using dual + data buffer in descriptor */ + u32 reserved1_2:24; + u32 card_err_sum:1; /* transfer error flag */ + u32 own:1; /* des owner:1-idma owns it, 0-host owns it */ +#if defined CONFIG_SUN4I +#define SDXC_DES_NUM_SHIFT 13 +#define SDXC_DES_BUFFER_MAX_LEN (1 << SDXC_DES_NUM_SHIFT) + u32 data_buf1_sz:13; + u32 data_buf2_sz:13; + u32 reserverd2_1:6; +#elif defined CONFIG_SUN5I +#define SDXC_DES_NUM_SHIFT 16 +#define SDXC_DES_BUFFER_MAX_LEN (1 << SDXC_DES_NUM_SHIFT) + u32 data_buf1_sz:16; + u32 data_buf2_sz:16; +#else +#error ">>>> Wrong Platform for MMC <<<<" +#endif + u32 buf_addr_ptr1; + u32 buf_addr_ptr2; +}; + +struct sunxi_mmc_host { + unsigned mmc_no; + uint32_t *mclkreg; + unsigned database; + unsigned fatal_err; + unsigned mod_clk; + struct sunxi_mmc *reg; + struct sunxi_mmc_des *pdes; +}; + +/* support 4 mmc hosts */ +struct mmc mmc_dev[4]; +struct sunxi_mmc_host mmc_host[4]; + +static int mmc_resource_init(int sdc_no) +{ + struct sunxi_mmc_host *mmchost = &mmc_host[sdc_no]; + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + debug("init mmc %d resource\n", sdc_no); + + switch (sdc_no) { + case 0: + mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC0_BASE; + mmchost->mclkreg = &ccm->sd0_clk_cfg; + break; + case 1: + mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC1_BASE; + mmchost->mclkreg = &ccm->sd1_clk_cfg; + break; + case 2: + mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC2_BASE; + mmchost->mclkreg = &ccm->sd2_clk_cfg; + break; + case 3: + mmchost->reg = (struct sunxi_mmc *)SUNXI_MMC3_BASE; + mmchost->mclkreg = &ccm->sd3_clk_cfg; + break; + default: + printf("Wrong mmc number %d\n", sdc_no); + return -1; + } + mmchost->database = (unsigned int)mmchost->reg + 0x100; + mmchost->mmc_no = sdc_no; + + return 0; +} + +static int mmc_clk_io_on(int sdc_no) +{ + unsigned int rval; + unsigned int pll5_clk; + unsigned int divider; + struct sunxi_mmc_host *mmchost = &mmc_host[sdc_no]; + static struct sunxi_gpio *gpio_c = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[SUNXI_GPIO_C]; + static struct sunxi_gpio *gpio_f = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[SUNXI_GPIO_F]; +#if CONFIG_MMC1_PG + static struct sunxi_gpio *gpio_g = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[SUNXI_GPIO_G]; +#endif + static struct sunxi_gpio *gpio_h = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[SUNXI_GPIO_H]; + static struct sunxi_gpio *gpio_i = + &((struct sunxi_gpio_reg *)SUNXI_PIO_BASE)->gpio_bank[SUNXI_GPIO_I]; + struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + + debug("init mmc %d clock and io\n", sdc_no); + + /* config gpio */ + switch (sdc_no) { + case 0: + /* D1-PF0, D0-PF1, CLK-PF2, CMD-PF3, D3-PF4, D4-PF5 */ + writel(0x222222, &gpio_f->cfg[0]); + writel(0x555, &gpio_f->pull[0]); + writel(0xaaa, &gpio_f->drv[0]); + break; + + case 1: +#if CONFIG_MMC1_PG + /* PG0-CMD, PG1-CLK, PG2~5-D0~3 : 4 */ + writel(0x444444, &gpio_g->cfg[0]); + writel(0x555, &gpio_g->pull[0]); + writel(0xaaa, &gpio_g->drv[0]); +#else + /* PH22-CMD, PH23-CLK, PH24~27-D0~D3 : 5 */ + writel(0x55 << 24, &gpio_h->cfg[2]); + writel(0x5555, &gpio_h->cfg[3]); + writel(0x555 << 12, &gpio_h->pull[1]); + writel(0xaaa << 12, &gpio_h->drv[1]); +#endif + break; + + case 2: + /* CMD-PC6, CLK-PC7, D0-PC8, D1-PC9, D2-PC10, D3-PC11 */ + writel(0x33 << 24, &gpio_c->cfg[0]); + writel(0x3333, &gpio_c->cfg[1]); + writel(0x555 << 12, &gpio_c->pull[0]); + writel(0xaaa << 12, &gpio_c->drv[0]); + break; + + case 3: + /* PI4-CMD, PI5-CLK, PI6~9-D0~D3 : 2 */ + writel(0x2222 << 16, &gpio_i->cfg[0]); + writel(0x22, &gpio_i->cfg[1]); + writel(0x555 << 8, &gpio_i->pull[0]); + writel(0x555 << 8, &gpio_i->drv[0]); + break; + + default: + return -1; + } + + /* config ahb clock */ + rval = readl(&ccm->ahb_gate0); + rval |= (1 << (8 + sdc_no)); + writel(rval, &ccm->ahb_gate0); + + /* config mod clock */ + pll5_clk = clock_get_pll5(); + if (pll5_clk > 400000000) + divider = 4; + else + divider = 3; + writel((1U << 31) | (2U << 24) | divider, mmchost->mclkreg); + mmchost->mod_clk = pll5_clk / (divider + 1); + + dumphex32("ccmu", (char *)SUNXI_CCM_BASE, 0x100); + dumphex32("gpio", (char *)SUNXI_PIO_BASE, 0x100); + dumphex32("mmc", (char *)mmchost->reg, 0x100); + dumpmmcreg(mmchost->reg); + + return 0; +} + +static int mmc_update_clk(struct mmc *mmc) +{ + struct sunxi_mmc_host *mmchost = (struct sunxi_mmc_host *)mmc->priv; + unsigned int cmd; + unsigned timeout = 0xfffff; + + cmd = (1U << 31) | (1 << 21) | (1 << 13); + writel(cmd, &mmchost->reg->cmd); + while ((readl(&mmchost->reg->cmd) & 0x80000000) && timeout--); + if (!timeout) + return -1; + + writel(readl(&mmchost->reg->rint), &mmchost->reg->rint); + + return 0; +} + +static int mmc_config_clock(struct mmc *mmc, unsigned div) +{ + struct sunxi_mmc_host *mmchost = (struct sunxi_mmc_host *)mmc->priv; + unsigned rval = readl(&mmchost->reg->clkcr); + + /* + * CLKCREG[7:0]: divider + * CLKCREG[16]: on/off + * CLKCREG[17]: power save + */ + /* Disable Clock */ + rval &= ~(1 << 16); + writel(rval, &mmchost->reg->clkcr); + if (mmc_update_clk(mmc)) + return -1; + + /* Change Divider Factor */ + rval &= ~(0xFF); + rval |= div; + writel(rval, &mmchost->reg->clkcr); + if (mmc_update_clk(mmc)) + return -1; + /* Re-enable Clock */ + rval |= (1 << 16); + writel(rval, &mmchost->reg->clkcr); + + if (mmc_update_clk(mmc)) + return -1; + + return 0; +} + +static void mmc_set_ios(struct mmc *mmc) +{ + struct sunxi_mmc_host *mmchost = (struct sunxi_mmc_host *)mmc->priv; + unsigned int clkdiv = 0; + + debug("set ios: bus_width: %x, clock: %d, mod_clk\n", mmc->bus_width, + mmc->clock, mmchost->mod_clk); + + /* Change clock first */ + clkdiv = (mmchost->mod_clk + (mmc->clock >> 1)) / mmc->clock / 2; + if (mmc->clock) + if (mmc_config_clock(mmc, clkdiv)) { + mmchost->fatal_err = 1; + return; + } + + /* Change bus width */ + if (mmc->bus_width == 8) + writel(2, &mmchost->reg->width); + else if (mmc->bus_width == 4) + writel(1, &mmchost->reg->width); + else + writel(0, &mmchost->reg->width); +} + +static int mmc_core_init(struct mmc *mmc) +{ + struct sunxi_mmc_host *mmchost = (struct sunxi_mmc_host *)mmc->priv; + + /* Reset controller */ + writel(0x7, &mmchost->reg->gctrl); + + return 0; +} + +static int mmc_trans_data_by_cpu(struct mmc *mmc, struct mmc_data *data) +{ + struct sunxi_mmc_host *mmchost = (struct sunxi_mmc_host *)mmc->priv; + unsigned i; + unsigned byte_cnt = data->blocksize * data->blocks; + unsigned *buff; + unsigned timeout = 0xfffff; + + if (data->flags & MMC_DATA_READ) { + buff = (unsigned int *)data->dest; + for (i = 0; i < (byte_cnt >> 2); i++) { + while (--timeout + && (readl(&mmchost->reg->status) & (1 << 2))); + if (timeout <= 0) + goto out; + buff[i] = readl(mmchost->database); + timeout = 0xfffff; + } + } else { + buff = (unsigned int *)data->src; + for (i = 0; i < (byte_cnt >> 2); i++) { + while (--timeout + && (readl(&mmchost->reg->status) & (1 << 3))); + if (timeout <= 0) + goto out; + writel(buff[i], mmchost->database); + timeout = 0xfffff; + } + } + +out: + if (timeout <= 0) + return -1; + + return 0; +} + +static int mmc_trans_data_by_dma(struct mmc *mmc, struct mmc_data *data) +{ + struct sunxi_mmc_host *mmchost = (struct sunxi_mmc_host *)mmc->priv; + struct sunxi_mmc_des *pdes = mmchost->pdes; + unsigned byte_cnt = data->blocksize * data->blocks; + unsigned char *buff; + unsigned des_idx = 0; + unsigned buff_frag_num = 0; + unsigned remain; + unsigned i, rval; + + buff = data->flags & MMC_DATA_READ ? + (unsigned char *)data->dest : (unsigned char *)data->src; + buff_frag_num = byte_cnt >> SDXC_DES_NUM_SHIFT; + + remain = byte_cnt & (SDXC_DES_BUFFER_MAX_LEN - 1); + if (remain) + buff_frag_num++; + else + remain = SDXC_DES_BUFFER_MAX_LEN; + + flush_cache((unsigned long)buff, (unsigned long)byte_cnt); + for (i = 0; i < buff_frag_num; i++, des_idx++) { + memset((void *)&pdes[des_idx], 0, sizeof(struct sunxi_mmc_des)); + pdes[des_idx].des_chain = 1; + pdes[des_idx].own = 1; + pdes[des_idx].dic = 1; + if (buff_frag_num > 1 && i != buff_frag_num - 1) + pdes[des_idx].data_buf1_sz = + (SDXC_DES_BUFFER_MAX_LEN - + 1) & SDXC_DES_BUFFER_MAX_LEN; + else + pdes[des_idx].data_buf1_sz = remain; + + pdes[des_idx].buf_addr_ptr1 = + (u32) buff + i * SDXC_DES_BUFFER_MAX_LEN; + if (i == 0) + pdes[des_idx].first_des = 1; + + if (i == buff_frag_num - 1) { + pdes[des_idx].dic = 0; + pdes[des_idx].last_des = 1; + pdes[des_idx].end_of_ring = 1; + pdes[des_idx].buf_addr_ptr2 = 0; + } else { + pdes[des_idx].buf_addr_ptr2 = (u32)&pdes[des_idx + 1]; + } + debug("frag %d, remain %d, des[%d](%08x): " + "[0] = %08x, [1] = %08x, [2] = %08x, [3] = %08x\n", + i, remain, des_idx, (u32)&pdes[des_idx], + (u32)((u32 *)&pdes[des_idx])[0], + (u32)((u32 *)&pdes[des_idx])[1], + (u32)((u32 *)&pdes[des_idx])[2], + (u32)((u32 *)&pdes[des_idx])[3]); + } + flush_cache((unsigned long)pdes, + sizeof(struct sunxi_mmc_des) * (des_idx + 1)); + + /* + * GCTRLREG + * GCTRL[2] : DMA reset + * GCTRL[5] : DMA enable + * + * IDMACREG + * IDMAC[0] : IDMA soft reset + * IDMAC[1] : IDMA fix burst flag + * IDMAC[7] : IDMA on + * + * IDIECREG + * IDIE[0] : IDMA transmit interrupt flag + * IDIE[1] : IDMA receive interrupt flag + */ + rval = readl(&mmchost->reg->gctrl); + /* Enable DMA */ + writel(rval | (1 << 5) | (1 << 2), &mmchost->reg->gctrl); + /* Reset iDMA */ + writel((1 << 0), &mmchost->reg->dmac); + /* Enable iDMA */ + writel((1 << 1) | (1 << 7), &mmchost->reg->dmac); + rval = readl(&mmchost->reg->idie) & (~3); + if (data->flags & MMC_DATA_WRITE) + rval |= (1 << 0); + else + rval |= (1 << 1); + writel(rval, &mmchost->reg->idie); + writel((u32) pdes, &mmchost->reg->dlba); + writel((2U << 28) | (7 << 16) | 8, &mmchost->reg->ftrglevel); + + return 0; +} + +static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, + struct mmc_data *data) +{ + struct sunxi_mmc_host *mmchost = (struct sunxi_mmc_host *)mmc->priv; + unsigned int cmdval = 0x80000000; + signed int timeout = 0; + int error = 0; + unsigned int status = 0; + unsigned int usedma = 0; + unsigned int bytecnt = 0; + + if (mmchost->fatal_err) + return -1; + if (cmd->resp_type & MMC_RSP_BUSY) + debug("mmc cmd %d check rsp busy\n", cmd->cmdidx); + if (cmd->cmdidx == 12) + return 0; + + /* + * CMDREG + * CMD[5:0] : Command index + * CMD[6] : Has response + * CMD[7] : Long response + * CMD[8] : Check response CRC + * CMD[9] : Has data + * CMD[10] : Write + * CMD[11] : Steam mode + * CMD[12] : Auto stop + * CMD[13] : Wait previous over + * CMD[14] : About cmd + * CMD[15] : Send initialization + * CMD[21] : Update clock + * CMD[31] : Load cmd + */ + if (!cmd->cmdidx) + cmdval |= (1 << 15); + if (cmd->resp_type & MMC_RSP_PRESENT) + cmdval |= (1 << 6); + if (cmd->resp_type & MMC_RSP_136) + cmdval |= (1 << 7); + if (cmd->resp_type & MMC_RSP_CRC) + cmdval |= (1 << 8); + + if (data) { + if ((u32) data->dest & 0x3) { + error = -1; + goto out; + } + + cmdval |= (1 << 9) | (1 << 13); + if (data->flags & MMC_DATA_WRITE) + cmdval |= (1 << 10); + if (data->blocks > 1) + cmdval |= (1 << 12); + writel(data->blocksize, &mmchost->reg->blksz); + writel(data->blocks * data->blocksize, &mmchost->reg->bytecnt); + } + + debug("mmc %d, cmd %d(0x%08x), arg 0x%08x\n", mmchost->mmc_no, + cmd->cmdidx, cmdval | cmd->cmdidx, cmd->cmdarg); + writel(cmd->cmdarg, &mmchost->reg->arg); + + if (!data) + writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd); + + /* + * transfer data and check status + * STATREG[2] : FIFO empty + * STATREG[3] : FIFO full + */ + if (data) { + int ret = 0; + + bytecnt = data->blocksize * data->blocks; + debug("trans data %d bytes\n", bytecnt); +#if defined(CONFIG_MMC_SUNXI_USE_DMA) && !defined(CONFIG_SPL_BUILD) + if (bytecnt > 64) { +#else + if (0) { +#endif + usedma = 1; + writel(readl(&mmchost->reg->gctrl) & (~0x80000000), + &mmchost->reg->gctrl); + ret = mmc_trans_data_by_dma(mmc, data); + writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd); + } else { + writel(readl(&mmchost->reg->gctrl) | 0x80000000, + &mmchost->reg->gctrl); + writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd); + ret = mmc_trans_data_by_cpu(mmc, data); + } + if (ret) { + error = readl(&mmchost->reg->rint) & 0xbfc2; + goto out; + } + } + + timeout = 0xfffff; + do { + status = readl(&mmchost->reg->rint); + if (!timeout-- || (status & 0xbfc2)) { + error = status & 0xbfc2; + debug("cmd timeout %x\n", error); + goto out; + } + } while (!(status & 0x4)); + + if (data) { + unsigned done = 0; + timeout = usedma ? 0xffff * bytecnt : 0xffff; + debug("cacl timeout %x\n", timeout); + do { + status = readl(&mmchost->reg->rint); + if (!timeout-- || (status & 0xbfc2)) { + error = status & 0xbfc2; + debug("data timeout %x\n", error); + goto out; + } + if (data->blocks > 1) + done = status & (1 << 14); + else + done = status & (1 << 3); + } while (!done); + } + + if (cmd->resp_type & MMC_RSP_BUSY) { + timeout = 0xfffff; + do { + status = readl(&mmchost->reg->status); + if (!timeout--) { + error = -1; + debug("busy timeout\n"); + goto out; + } + } while (status & (1 << 9)); + } + + if (cmd->resp_type & MMC_RSP_136) { + cmd->response[0] = readl(&mmchost->reg->resp3); + cmd->response[1] = readl(&mmchost->reg->resp2); + cmd->response[2] = readl(&mmchost->reg->resp1); + cmd->response[3] = readl(&mmchost->reg->resp0); + debug("mmc resp 0x%08x 0x%08x 0x%08x 0x%08x\n", + cmd->response[3], cmd->response[2], + cmd->response[1], cmd->response[0]); + } else { + cmd->response[0] = readl(&mmchost->reg->resp0); + debug("mmc resp 0x%08x\n", cmd->response[0]); + } +out: + if (data && usedma) { + /* IDMASTAREG + * IDST[0] : idma tx int + * IDST[1] : idma rx int + * IDST[2] : idma fatal bus error + * IDST[4] : idma descriptor invalid + * IDST[5] : idma error summary + * IDST[8] : idma normal interrupt sumary + * IDST[9] : idma abnormal interrupt sumary + */ + status = readl(&mmchost->reg->idst); + writel(status, &mmchost->reg->idst); + writel(0, &mmchost->reg->idie); + writel(0, &mmchost->reg->dmac); + writel(readl(&mmchost->reg->gctrl) & (~(1 << 5)), + &mmchost->reg->gctrl); + } + if (error) { + writel(0x7, &mmchost->reg->gctrl); + mmc_update_clk(mmc); + debug("mmc cmd %d err 0x%08x\n", cmd->cmdidx, error); + } + writel(0xffffffff, &mmchost->reg->rint); + writel(readl(&mmchost->reg->gctrl) | (1 << 1), &mmchost->reg->gctrl); + + if (error) + return -1; + else + return 0; +} + +int sunxi_mmc_init(int sdc_no) +{ + struct mmc *mmc; + + memset(&mmc_dev[sdc_no], 0, sizeof(struct mmc)); + memset(&mmc_host[sdc_no], 0, sizeof(struct sunxi_mmc_host)); + mmc = &mmc_dev[sdc_no]; + + sprintf(mmc->name, "SUNXI SD/MMC"); + mmc->priv = &mmc_host[sdc_no]; + mmc->send_cmd = mmc_send_cmd; + mmc->set_ios = mmc_set_ios; + mmc->init = mmc_core_init; + + mmc->voltages = MMC_VDD_32_33 | MMC_VDD_33_34; + mmc->host_caps = MMC_MODE_4BIT; + mmc->host_caps |= MMC_MODE_HS_52MHz | MMC_MODE_HS; + + mmc->f_min = 400000; + mmc->f_max = 52000000; + + mmc_host[sdc_no].pdes = (struct sunxi_mmc_des *)0x50000000; + mmc_resource_init(sdc_no); + mmc_clk_io_on(sdc_no); + + mmc_register(mmc); + + return 0; +} Index: drivers/net/Makefile =================================================================== --- drivers/net/Makefile.orig +++ drivers/net/Makefile @@ -68,6 +68,7 @@ COBJS-$(CONFIG_RTL8169) += rtl8169.o COBJS-$(CONFIG_SH_ETHER) += sh_eth.o COBJS-$(CONFIG_SMC91111) += smc91111.o COBJS-$(CONFIG_SMC911X) += smc911x.o +COBJS-$(CONFIG_SUNXI_WEMAC) += sunxi_wemac.o COBJS-$(CONFIG_DRIVER_TI_EMAC) += davinci_emac.o COBJS-$(CONFIG_TSEC_ENET) += tsec.o fsl_mdio.o COBJS-$(CONFIG_DRIVER_TI_CPSW) += cpsw.o Index: drivers/net/sunxi_wemac.c =================================================================== --- /dev/null +++ drivers/net/sunxi_wemac.c @@ -0,0 +1,533 @@ +/* + * sunxi_wemac.c -- Allwinner A10 ethernet driver + * + * (C) Copyright 2012, Stefan Roese <sr@denx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <common.h> +#include <malloc.h> +#include <net.h> +#include <miiphy.h> +#include <linux/err.h> +#include <asm/io.h> +#include <asm/arch/clock.h> +#include <asm/arch/gpio.h> + +/* EMAC register */ +struct wemac_regs { + u32 ctl; /* 0x00 */ + u32 tx_mode; /* 0x04 */ + u32 tx_flow; /* 0x08 */ + u32 tx_ctl0; /* 0x0c */ + u32 tx_ctl1; /* 0x10 */ + u32 tx_ins; /* 0x14 */ + u32 tx_pl0; /* 0x18 */ + u32 tx_pl1; /* 0x1c */ + u32 tx_sta; /* 0x20 */ + u32 tx_io_data; /* 0x24 */ + u32 tx_io_data1; /* 0x28 */ + u32 tx_tsvl0; /* 0x2c */ + u32 tx_tsvh0; /* 0x30 */ + u32 tx_tsvl1; /* 0x34 */ + u32 tx_tsvh1; /* 0x38 */ + u32 rx_ctl; /* 0x3c */ + u32 rx_hash0; /* 0x40 */ + u32 rx_hash1; /* 0x44 */ + u32 rx_sta; /* 0x48 */ + u32 rx_io_data; /* 0x4c */ + u32 rx_fbc; /* 0x50 */ + u32 int_ctl; /* 0x54 */ + u32 int_sta; /* 0x58 */ + u32 mac_ctl0; /* 0x5c */ + u32 mac_ctl1; /* 0x60 */ + u32 mac_ipgt; /* 0x64 */ + u32 mac_ipgr; /* 0x68 */ + u32 mac_clrt; /* 0x6c */ + u32 mac_maxf; /* 0x70 */ + u32 mac_supp; /* 0x74 */ + u32 mac_test; /* 0x78 */ + u32 mac_mcfg; /* 0x7c */ + u32 mac_mcmd; /* 0x80 */ + u32 mac_madr; /* 0x84 */ + u32 mac_mwtd; /* 0x88 */ + u32 mac_mrdd; /* 0x8c */ + u32 mac_mind; /* 0x90 */ + u32 mac_ssrr; /* 0x94 */ + u32 mac_a0; /* 0x98 */ + u32 mac_a1; /* 0x9c */ +}; + +/* SRAMC register */ +struct sunxi_sramc_regs { + u32 ctrl0; + u32 ctrl1; +}; + +/* 0: Disable 1: Aborted frame enable(default) */ +#define EMAC_TX_AB_M (0x1 << 0) +/* 0: CPU 1: DMA(default) */ +#define EMAC_TX_TM (0x1 << 1) + +#define EMAC_TX_SETUP (0) + +/* 0: DRQ asserted 1: DRQ automatically(default) */ +#define EMAC_RX_DRQ_MODE (0x1 << 1) +/* 0: CPU 1: DMA(default) */ +#define EMAC_RX_TM (0x1 << 2) +/* 0: Normal(default) 1: Pass all Frames */ +#define EMAC_RX_PA (0x1 << 4) +/* 0: Normal(default) 1: Pass Control Frames */ +#define EMAC_RX_PCF (0x1 << 5) +/* 0: Normal(default) 1: Pass Frames with CRC Error */ +#define EMAC_RX_PCRCE (0x1 << 6) +/* 0: Normal(default) 1: Pass Frames with Length Error */ +#define EMAC_RX_PLE (0x1 << 7) +/* 0: Normal 1: Pass Frames length out of range(default) */ +#define EMAC_RX_POR (0x1 << 8) +/* 0: Not accept 1: Accept unicast Packets(default) */ +#define EMAC_RX_UCAD (0x1 << 16) +/* 0: Normal(default) 1: DA Filtering */ +#define EMAC_RX_DAF (0x1 << 17) +/* 0: Not accept 1: Accept multicast Packets(default) */ +#define EMAC_RX_MCO (0x1 << 20) +/* 0: Disable(default) 1: Enable Hash filter */ +#define EMAC_RX_MHF (0x1 << 21) +/* 0: Not accept 1: Accept Broadcast Packets(default) */ +#define EMAC_RX_BCO (0x1 << 22) +/* 0: Disable(default) 1: Enable SA Filtering */ +#define EMAC_RX_SAF (0x1 << 24) +/* 0: Normal(default) 1: Inverse Filtering */ +#define EMAC_RX_SAIF (0x1 << 25) + +#define EMAC_RX_SETUP (EMAC_RX_POR | EMAC_RX_UCAD | EMAC_RX_DAF | \ + EMAC_RX_MCO | EMAC_RX_BCO) + +/* 0: Disable 1: Enable Receive Flow Control(default) */ +#define EMAC_MAC_CTL0_RFC (0x1 << 2) +/* 0: Disable 1: Enable Transmit Flow Control(default) */ +#define EMAC_MAC_CTL0_TFC (0x1 << 3) + +#define EMAC_MAC_CTL0_SETUP (EMAC_MAC_CTL0_RFC | EMAC_MAC_CTL0_TFC) + +/* 0: Disable 1: Enable MAC Frame Length Checking(default) */ +#define EMAC_MAC_CTL1_FLC (0x1 << 1) +/* 0: Disable(default) 1: Enable Huge Frame */ +#define EMAC_MAC_CTL1_HF (0x1 << 2) +/* 0: Disable(default) 1: Enable MAC Delayed CRC */ +#define EMAC_MAC_CTL1_DCRC (0x1 << 3) +/* 0: Disable 1: Enable MAC CRC(default) */ +#define EMAC_MAC_CTL1_CRC (0x1 << 4) +/* 0: Disable 1: Enable MAC PAD Short frames(default) */ +#define EMAC_MAC_CTL1_PC (0x1 << 5) +/* 0: Disable(default) 1: Enable MAC PAD Short frames and append CRC */ +#define EMAC_MAC_CTL1_VC (0x1 << 6) +/* 0: Disable(default) 1: Enable MAC auto detect Short frames */ +#define EMAC_MAC_CTL1_ADP (0x1 << 7) +/* 0: Disable(default) 1: Enable */ +#define EMAC_MAC_CTL1_PRE (0x1 << 8) +/* 0: Disable(default) 1: Enable */ +#define EMAC_MAC_CTL1_LPE (0x1 << 9) +/* 0: Disable(default) 1: Enable no back off */ +#define EMAC_MAC_CTL1_NB (0x1 << 12) +/* 0: Disable(default) 1: Enable */ +#define EMAC_MAC_CTL1_BNB (0x1 << 13) +/* 0: Disable(default) 1: Enable */ +#define EMAC_MAC_CTL1_ED (0x1 << 14) + +#define EMAC_MAC_CTL1_SETUP (EMAC_MAC_CTL1_FLC | EMAC_MAC_CTL1_CRC | \ + EMAC_MAC_CTL1_PC) + +#define EMAC_MAC_IPGT 0x15 + +#define EMAC_MAC_NBTB_IPG1 0xC +#define EMAC_MAC_NBTB_IPG2 0x12 + +#define EMAC_MAC_CW 0x37 +#define EMAC_MAC_RM 0xF + +#define EMAC_MAC_MFL 0x0600 + +/* Receive status */ +#define EMAC_CRCERR (1 << 4) +#define EMAC_LENERR (3 << 5) + +#define DMA_CPU_TRRESHOLD 2000 + +struct wemac_eth_dev { + u32 speed; + u32 duplex; + u32 phy_configured; + int link_printed; +}; + +struct wemac_rxhdr { + s16 rx_len; + u16 rx_status; +}; + +static void wemac_inblk_32bit(void *reg, void *data, int count) +{ + int cnt = (count + 3) >> 2; + + if (cnt) { + u32 *buf = data; + + do { + u32 x = readl(reg); + *buf++ = x; + } while (--cnt); + } +} + +static void wemac_outblk_32bit(void *reg, void *data, int count) +{ + int cnt = (count + 3) >> 2; + + if (cnt) { + const u32 *buf = data; + + do { + writel(*buf++, reg); + } while (--cnt); + } +} + +/* + * Read a word from phyxcer + */ +static int wemac_phy_read(const char *devname, unsigned char addr, + unsigned char reg, unsigned short *value) +{ + struct eth_device *dev = eth_get_dev_by_name(devname); + struct wemac_regs *regs = (struct wemac_regs *)dev->iobase; + + /* issue the phy address and reg */ + writel(addr << 8 | reg, ®s->mac_madr); + + /* pull up the phy io line */ + writel(0x1, ®s->mac_mcmd); + + /* Wait read complete */ + mdelay(1); + + /* push down the phy io line */ + writel(0x0, ®s->mac_mcmd); + + /* and write data */ + *value = readl(®s->mac_mrdd); + + return 0; +} + +/* + * Write a word to phyxcer + */ +static int wemac_phy_write(const char *devname, unsigned char addr, + unsigned char reg, unsigned short value) +{ + struct eth_device *dev = eth_get_dev_by_name(devname); + struct wemac_regs *regs = (struct wemac_regs *)dev->iobase; + + /* issue the phy address and reg */ + writel(addr << 8 | reg, ®s->mac_madr); + + /* pull up the phy io line */ + writel(0x1, ®s->mac_mcmd); + + /* Wait write complete */ + mdelay(1); + + /* push down the phy io line */ + writel(0x0, ®s->mac_mcmd); + + /* and write data */ + writel(value, ®s->mac_mwtd); + + return 0; +} + +static void emac_setup(struct eth_device *dev) +{ + struct wemac_regs *regs = (struct wemac_regs *)dev->iobase; + u32 reg_val; + u16 phy_val; + u32 duplex_flag; + + /* Set up TX */ + writel(EMAC_TX_SETUP, ®s->tx_mode); + + /* Set up RX */ + writel(EMAC_RX_SETUP, ®s->rx_ctl); + + /* Set MAC */ + /* Set MAC CTL0 */ + writel(EMAC_MAC_CTL0_SETUP, ®s->mac_ctl0); + + /* Set MAC CTL1 */ + wemac_phy_read(dev->name, 1, 0, &phy_val); + debug("PHY SETUP, reg 0 value: %x\n", phy_val); + duplex_flag = !!(phy_val & (1 << 8)); + + reg_val = 0; + if (duplex_flag) + reg_val = (0x1 << 0); + writel(EMAC_MAC_CTL1_SETUP | reg_val, ®s->mac_ctl1); + + /* Set up IPGT */ + writel(EMAC_MAC_IPGT, ®s->mac_ipgt); + + /* Set up IPGR */ + writel(EMAC_MAC_NBTB_IPG2 | (EMAC_MAC_NBTB_IPG1 << 8), ®s->mac_ipgr); + + /* Set up Collison window */ + writel(EMAC_MAC_RM | (EMAC_MAC_CW << 8), ®s->mac_clrt); + + /* Set up Max Frame Length */ + writel(EMAC_MAC_MFL, ®s->mac_maxf); +} + +static void wemac_reset(struct eth_device *dev) +{ + struct wemac_regs *regs = (struct wemac_regs *)dev->iobase; + + debug("resetting device\n"); + + /* RESET device */ + writel(0, ®s->ctl); + udelay(200); + + writel(1, ®s->ctl); + udelay(200); +} + +static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd) +{ + struct wemac_regs *regs = (struct wemac_regs *)dev->iobase; + struct wemac_eth_dev *priv = dev->priv; + u16 phy_reg; + + /* Init EMAC */ + + /* Flush RX FIFO */ + setbits_le32(®s->rx_ctl, 0x8); + udelay(1); + + /* Init MAC */ + + /* Soft reset MAC */ + clrbits_le32(®s->mac_ctl0, 1 << 15); + + /* Set MII clock */ + clrsetbits_le32(®s->mac_mcfg, 0xf << 2, 0xd << 2); + + /* Clear RX counter */ + writel(0x0, ®s->rx_fbc); + udelay(1); + + /* Set up EMAC */ + emac_setup(dev); + + writel(dev->enetaddr[0] << 16 | dev->enetaddr[1] << 8 | + dev->enetaddr[2], ®s->mac_a1); + writel(dev->enetaddr[3] << 16 | dev->enetaddr[4] << 8 | + dev->enetaddr[5], ®s->mac_a0); + + mdelay(1); + + wemac_reset(dev); + + /* PHY POWER UP */ + wemac_phy_read(dev->name, 1, 0, &phy_reg); + wemac_phy_write(dev->name, 1, 0, phy_reg & (~(1 << 11))); + mdelay(1); + + wemac_phy_read(dev->name, 1, 0, &phy_reg); + + priv->speed = miiphy_speed(dev->name, 0); + priv->duplex = miiphy_duplex(dev->name, 0); + + /* Print link status only once */ + if (!priv->link_printed) { + printf("ENET Speed is %d Mbps - %s duplex connection\n", + priv->speed, (priv->duplex == HALF) ? "HALF" : "FULL"); + priv->link_printed = 1; + } + + /* Set EMAC SPEED depend on PHY */ + clrsetbits_le32(®s->mac_supp, 1 << 8, + ((phy_reg & (1 << 13)) >> 13) << 8); + + /* Set duplex depend on phy */ + clrsetbits_le32(®s->mac_ctl1, 1 << 0, + ((phy_reg & (1 << 8)) >> 8) << 0); + + /* Enable RX/TX */ + setbits_le32(®s->ctl, 0x7); + + return 0; +} + +static void sunxi_wemac_eth_halt(struct eth_device *dev) +{ + /* Nothing to do here */ +} + +static int sunxi_wemac_eth_recv(struct eth_device *dev) +{ + struct wemac_regs *regs = (struct wemac_regs *)dev->iobase; + struct wemac_rxhdr rxhdr; + u32 rxcount; + u32 reg_val; + int rx_len; + int rx_status; + int good_packet; + + /* Check packet ready or not */ + + /* + * Race warning: The first packet might arrive with + * the interrupts disabled, but the second will fix + */ + rxcount = readl(®s->rx_fbc); + if (!rxcount) { + /* Had one stuck? */ + rxcount = readl(®s->rx_fbc); + if (!rxcount) + return 0; + } + + reg_val = readl(®s->rx_io_data); + if (reg_val != 0x0143414d) { + /* Disable RX */ + clrbits_le32(®s->ctl, 1 << 2); + + /* Flush RX FIFO */ + setbits_le32(®s->rx_ctl, 1 << 3); + while (readl(®s->rx_ctl) & (1 << 3)) + ; + + /* Enable RX */ + setbits_le32(®s->ctl, 1 << 2); + + return 0; + } + + /* + * A packet ready now + * Get status/length + */ + good_packet = 1; + + wemac_inblk_32bit(®s->rx_io_data, &rxhdr, sizeof(rxhdr)); + + rx_len = rxhdr.rx_len; + rx_status = rxhdr.rx_status; + + /* Packet Status check */ + if (rx_len < 0x40) { + good_packet = 0; + debug("RX: Bad Packet (runt)\n"); + } + + /* rx_status is identical to RSR register. */ + if (0 & rx_status & (EMAC_CRCERR | EMAC_LENERR)) { + good_packet = 0; + if (rx_status & EMAC_CRCERR) + printf("crc error\n"); + if (rx_status & EMAC_LENERR) + printf("length error\n"); + } + + /* Move data from WEMAC */ + if (good_packet) { + if (rx_len > DMA_CPU_TRRESHOLD) { + printf("Received packet is too big (len=%d)\n", rx_len); + } else { + wemac_inblk_32bit((void *)®s->rx_io_data, + NetRxPackets[0], rx_len); + + /* Pass to upper layer */ + NetReceive(NetRxPackets[0], rx_len); + return rx_len; + } + } + + return 0; +} + +static int sunxi_wemac_eth_send(struct eth_device *dev, void *packet, int len) +{ + struct wemac_regs *regs = (struct wemac_regs *)dev->iobase; + + /* Select channel 0 */ + writel(0, ®s->tx_ins); + + /* Write packet */ + wemac_outblk_32bit((void *)®s->tx_io_data, packet, len); + + /* Set TX len */ + writel(len, ®s->tx_pl0); + + /* Start translate from fifo to phy */ + setbits_le32(®s->tx_ctl0, 1); + + return 0; +} + +int sunxi_wemac_initialize(void) +{ + struct sunxi_ccm_reg *const ccm = + (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + struct sunxi_sramc_regs *sram = + (struct sunxi_sramc_regs *)SUNXI_SRAMC_BASE; + struct eth_device *dev; + struct wemac_eth_dev *priv; + int pin; + + dev = malloc(sizeof(*dev)); + if (dev == NULL) + return -ENOMEM; + + priv = (struct wemac_eth_dev *)malloc(sizeof(struct wemac_eth_dev)); + if (!priv) { + free(dev); + return -ENOMEM; + } + + memset(dev, 0, sizeof(*dev)); + memset(priv, 0, sizeof(struct wemac_eth_dev)); + + /* Map SRAM to EMAC */ + setbits_le32(&sram->ctrl1, 0x5 << 2); + + /* Configure pin mux settings for MII Ethernet */ + for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(17); pin++) + sunxi_gpio_set_cfgpin(pin, 2); + + /* Set up clock gating */ + setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_EMAC); + + dev->iobase = SUNXI_EMAC_BASE; + dev->priv = priv; + dev->init = sunxi_wemac_eth_init; + dev->halt = sunxi_wemac_eth_halt; + dev->send = sunxi_wemac_eth_send; + dev->recv = sunxi_wemac_eth_recv; + strcpy(dev->name, "wemac"); + + eth_register(dev); + + miiphy_register(dev->name, wemac_phy_read, wemac_phy_write); + + return 0; +} Index: drivers/power/axp209.c =================================================================== --- /dev/null +++ drivers/power/axp209.c @@ -0,0 +1,182 @@ +/* + * (C) Copyright 2012 + * Henrik Nordstrom <henrik@henriknordstrom.net> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <i2c.h> +#include <axp209.h> + +enum axp209_reg { + AXP209_CHIP_VERSION = 0x3, + AXP209_DCDC2_VOLTAGE = 0x23, + AXP209_DCDC3_VOLTAGE = 0x27, + AXP209_LDO24_VOLTAGE = 0x28, + AXP209_LDO3_VOLTAGE = 0x29, + AXP209_SHUTDOWN = 0x32, +}; + +int axp209_write(enum axp209_reg reg, u8 val) +{ + return i2c_write(0x34, reg, 1, &val, 1); +} + +int axp209_read(enum axp209_reg reg, u8 *val) +{ + return i2c_read(0x34, reg, 1, val, 1); +} + +int axp209_set_dcdc2(int mvolt) +{ + int cfg = (mvolt - 700) / 25; + int rc; + u8 current; + + if (cfg < 0) + cfg = 0; + if (cfg > (1 << 6) - 1) + cfg = (1 << 6) - 1; + + /* Do we really need to be this gentle? It has built-in voltage slope */ + while ((rc = axp209_read(AXP209_DCDC2_VOLTAGE, ¤t)) == 0 + && current != cfg) { + if (current < cfg) + current++; + else + current--; + + rc = axp209_write(AXP209_DCDC2_VOLTAGE, current); + if (rc) + break; + } + + return rc; +} + +int axp209_set_dcdc3(int mvolt) +{ + int cfg = (mvolt - 700) / 25; + u8 reg; + int rc; + + if (cfg < 0) + cfg = 0; + if (cfg > (1 << 7) - 1) + cfg = (1 << 7) - 1; + + rc = axp209_write(AXP209_DCDC3_VOLTAGE, cfg); + rc |= axp209_read(AXP209_DCDC3_VOLTAGE, ®); + + return rc; +} + +int axp209_set_ldo2(int mvolt) +{ + int cfg = (mvolt - 1800) / 100; + int rc; + u8 reg; + + if (cfg < 0) + cfg = 0; + if (cfg > 15) + cfg = 15; + + rc = axp209_read(AXP209_LDO24_VOLTAGE, ®); + if (rc) + return rc; + + reg = (reg & 0x0f) | (cfg << 4); + rc = axp209_write(AXP209_LDO24_VOLTAGE, reg); + if (rc) + return rc; + + return 0; +} + +int axp209_set_ldo3(int mvolt) +{ + int cfg = (mvolt - 700) / 25; + + if (cfg < 0) + cfg = 0; + if (cfg > 127) + cfg = 127; + if (mvolt == -1) + cfg = 0x80; /* detemined by LDO3IN pin */ + + return axp209_write(AXP209_LDO3_VOLTAGE, cfg); +} + +int axp209_set_ldo4(int mvolt) +{ + int cfg = (mvolt - 1800) / 100; + int rc; + static const int vindex[] = { + 1250, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2500, + 2700, 2800, 3000, 3100, 3200, 3300 + }; + u8 reg; + + /* Translate mvolt to register cfg value, requested <= selected */ + for (cfg = 0; mvolt < vindex[cfg] && cfg < 15; cfg++); + + rc = axp209_read(AXP209_LDO24_VOLTAGE, ®); + if (rc) + return rc; + + /* LDO4 configuration is in lower 4 bits */ + reg = (reg & 0xf0) | (cfg << 0); + rc = axp209_write(AXP209_LDO24_VOLTAGE, reg); + if (rc) + return rc; + + return 0; +} + +void axp209_poweroff(void) +{ + u8 val; + + if (axp209_read(AXP209_SHUTDOWN, &val) != 0) + return; + + val |= 1 << 7; + + if (axp209_write(AXP209_SHUTDOWN, val) != 0) + return; + + udelay(10000); /* wait for power to drain */ +} + +int axp209_init(void) +{ + u8 ver; + int rc; + + rc = axp209_read(AXP209_CHIP_VERSION, &ver); + if (rc) + return rc; + + if (ver != 0x21) + return -1; + + return 0; +} Index: drivers/power/Makefile =================================================================== --- drivers/power/Makefile.orig +++ drivers/power/Makefile @@ -25,6 +25,7 @@ include $(TOPDIR)/config.mk LIB := $(obj)libpower.o +COBJS-$(CONFIG_AXP209_POWER) += axp209.o COBJS-$(CONFIG_EXYNOS_TMU) += exynos-tmu.o COBJS-$(CONFIG_FTPMU010_POWER) += ftpmu010.o COBJS-$(CONFIG_TPS6586X_POWER) += tps6586x.o Index: drivers/serial/arm_dcc.c =================================================================== --- drivers/serial/arm_dcc.c.orig +++ drivers/serial/arm_dcc.c @@ -29,7 +29,7 @@ #include <common.h> #include <stdio_dev.h> -#if defined(CONFIG_CPU_V6) +#if defined(CONFIG_CPU_V6) || 1 /* * ARMV6 */ Index: include/axp209.h =================================================================== --- /dev/null +++ include/axp209.h @@ -0,0 +1,29 @@ +/* + * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +extern int axp209_set_dcdc2(int mvolt); +extern int axp209_set_dcdc3(int mvolt); +extern int axp209_set_ldo2(int mvolt); +extern int axp209_set_ldo3(int mvolt); +extern int axp209_set_ldo4(int mvolt); +extern void axp209_poweroff(void); +extern int axp209_init(void); Index: include/config_fallbacks.h =================================================================== --- include/config_fallbacks.h.orig +++ include/config_fallbacks.h @@ -53,4 +53,8 @@ #define HAVE_BLOCK_DEVICE #endif +#ifndef CONFIG_SYS_BOARD_NAME +#define CONFIG_SYS_BOARD_NAME CONFIG_SYS_TARGET +#endif + #endif /* __CONFIG_FALLBACKS_H */ Index: include/configs/sun4i.h =================================================================== --- /dev/null +++ include/configs/sun4i.h @@ -0,0 +1,74 @@ +/* + * (C) Copyright 2012 + * Henrik Nordstrom <henrik@henriknordstrom.net> + * + * Configuration settings for the Allwinner A10 (sun4i) CPU + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * Include common sunxi configuration where most the settings are + */ +#include <configs/sunxi-common.h> + +/* + * A10 specific configuration + */ +#define CONFIG_SUN4I /* sun4i SoC generation */ + +#define CONFIG_SYS_PROMPT "sun4i#" +#define CONFIG_MACH_TYPE 4104 + +/* Define this to have console redirected to SD port */ +/* #define CONFIG_UART0_PORT_F */ + +#define CONFIG_CONS_INDEX 1 /* UART0 */ + +/* Ethernet support on A10 */ +#define CONFIG_SUNXI_WEMAC +#define CONFIG_MII /* MII PHY management */ +#define CONFIG_CMD_MII +#define CONFIG_CMD_NET +#define CONFIG_CMD_PING +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_NFS +#define CONFIG_CMD_SNTP +#define CONFIG_CMD_DNS +#define CONFIG_NETCONSOLE +#define CONFIG_BOOTP_SUBNETMASK +#define CONFIG_BOOTP_GATEWAY +#define CONFIG_BOOTP_HOSTNAME +#define CONFIG_BOOTP_NISDOMAIN +#define CONFIG_BOOTP_BOOTPATH +#define CONFIG_BOOTP_BOOTFILESIZE +#define CONFIG_BOOTP_DNS +#define CONFIG_BOOTP_DNS2 +#define CONFIG_BOOTP_SEND_HOSTNAME +#define CONFIG_BOOTP_NTPSERVER +#define CONFIG_BOOTP_TIMEOFFSET +#define CONFIG_BOOTP_MAY_FAIL +#define CONFIG_BOOTP_SERVERIP +#define CONFIG_BOOTP_DHCP_REQUEST_DELAY 50000 +#define CONFIG_TIMESTAMP + +#endif /* __CONFIG_H */ Index: include/configs/sun5i.h =================================================================== --- /dev/null +++ include/configs/sun5i.h @@ -0,0 +1,56 @@ +/* + * (C) Copyright 2012 + * Henrik Nordstrom <henrik@henriknordstrom.net> + * + * Configuration settings for the Allwinner A13 (sun5i) CPU + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +/* + * Include common sunxi configuration where most the settings are + */ +#include <configs/sunxi-common.h> + +/* + * High Level Configuration Options + */ +#define CONFIG_SUN5I /* sun5i SoC generation */ + +#define CONFIG_SYS_PROMPT "sun5i#" +#define CONFIG_MACH_TYPE 4138 + +/* Define this to have serial channel 1 (UART0) redirected to SD port */ +/* #define CONFIG_UART0_PORT_F */ + +#ifndef CONFIG_CONS_INDEX +#ifdef CONFIG_UART0_PORT_F +#define CONFIG_CONS_INDEX 1 /* UART0 on PORT_F (sdcard) */ +#else +#define CONFIG_CONS_INDEX 2 /* UART1 */ +#endif +#endif + +/* Leave ICACHE off while debugging with OpenOCD */ +#define CONFIG_SYS_ICACHE_OFF + +#endif /* __CONFIG_H */ Index: include/configs/sunxi-common.h =================================================================== --- /dev/null +++ include/configs/sunxi-common.h @@ -0,0 +1,261 @@ +/* + * (C) Copyright 2012-2012 Henrik Nordstrom <henrik@henriknordstrom.net> + * + * Based on older sun4i config + * + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * Configuration settings for the Allwinner A10-evb board. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _SUNXI_COMMON_CONFIG_H +#define _SUNXI_COMMON_CONFIG_H + +/* + * High Level Configuration Options + */ +#define CONFIG_ALLWINNER /* It's a Allwinner chip */ +#define CONFIG_SUNXI /* which is sunxi family */ + +#include <asm/arch/cpu.h> /* get chip and board defs */ + +#define CONFIG_SYS_TEXT_BASE 0x4A000000 + +/* + * Display CPU and Board information + */ +#define CONFIG_DISPLAY_CPUINFO +#define CONFIG_DISPLAY_BOARDINFO + +/* Serial & console */ +#define CONFIG_SYS_NS16550 +#define CONFIG_SYS_NS16550_SERIAL +/* ns16550 reg in the low bits of cpu reg */ +#define CONFIG_SYS_NS16550_REG_SIZE (-4) +#define CONFIG_SYS_NS16550_CLK (24000000) +#define CONFIG_SYS_NS16550_COM1 SUNXI_UART0_BASE +#define CONFIG_SYS_NS16550_COM2 SUNXI_UART1_BASE +#define CONFIG_SYS_NS16550_COM3 SUNXI_UART2_BASE +#define CONFIG_SYS_NS16550_COM4 SUNXI_UART3_BASE + +/* DRAM Base */ +#define CONFIG_SYS_SDRAM_BASE 0x40000000 +#define CONFIG_SYS_INIT_RAM_ADDR 0x0 +#define CONFIG_SYS_INIT_RAM_SIZE 0x8000 /* 32K */ + +#define CONFIG_SYS_INIT_SP_OFFSET \ + (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) + +/* A10-EVB has 1 banks of DRAM, we use only one in U-Boot */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_1 CONFIG_SYS_SDRAM_BASE +#if 0 +/* Nand config */ +#define CONFIG_NAND +#define CONFIG_NAND_SUNXI +#define CONFIG_CMD_NAND /* NAND support */ +#define CONFIG_SYS_MAX_NAND_DEVICE 1 +#define CONFIG_SYS_NAND_BASE 0x00 +#endif + +#define CONFIG_CMD_MEMORY +#define CONFIG_CMD_SETEXPR + +#define CONFIG_SETUP_MEMORY_TAGS +#define CONFIG_CMDLINE_TAG +#define CONFIG_INITRD_TAG +#define CONFIG_CMDLINE_EDITING + +/* mmc config */ +#define CONFIG_MMC +#define CONFIG_GENERIC_MMC +#define CONFIG_CMD_MMC +#define CONFIG_MMC_SUNXI +#define CONFIG_MMC_SUNXI_SLOT 0 +#define CONFIG_MMC_SUNXI_USE_DMA +#define CONFIG_ENV_IS_IN_MMC +#define CONFIG_SYS_MMC_ENV_DEV CONFIG_MMC_SUNXI_SLOT + +/* + * Size of malloc() pool + * 1MB = 0x100000, 0x100000 = 1024 * 1024 + */ +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (1 << 20)) + +/* Flat Device Tree (FDT/DT) support */ +#define CONFIG_OF_LIBFDT +#define CONFIG_SYS_BOOTMAPSZ (16 << 20) + +/* + * Miscellaneous configurable options + */ +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_HUSH_PARSER /* use "hush" command parser */ +#define CONFIG_CMD_ECHO +#define CONFIG_SYS_PROMPT_HUSH_PS2 "> " +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_PBSIZE 384 /* Print Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ + +/* Boot Argument Buffer Size */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE + +/* memtest works on */ +#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE +#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + (256 << 20)) +#define CONFIG_SYS_LOAD_ADDR 0x50000000 /* default load address */ + +/* standalone support */ +#define CONFIG_STANDALONE_LOAD_ADDR 0x50000000 + +#define CONFIG_SYS_HZ 1000 + +/* valid baudrates */ +#define CONFIG_BAUDRATE 115200 +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* The stack sizes are set up in start.S using the settings below */ +#define CONFIG_STACKSIZE (256 << 10) /* 256 KB */ + +/* FLASH and environment organization */ + +#define CONFIG_SYS_NO_FLASH + +#define CONFIG_SYS_MONITOR_LEN (512 << 10) /* 512 KB */ +#define CONFIG_IDENT_STRING " Allwinner Technology" + +#define CONFIG_ENV_OFFSET (544 << 10) /* (8 + 24 + 512)KB */ +#define CONFIG_ENV_SIZE (128 << 10) /* 128KB */ + +#define CONFIG_BOOTCOMMAND \ + "if run loadbootenv; then " \ + "echo Loaded environment from ${bootenv};" \ + "env import -t ${scriptaddr} ${filesize};" \ + "fi;" \ + "if test -n ${uenvcmd}; then " \ + "echo Running uenvcmd ...;" \ + "run uenvcmd;" \ + "fi;" \ + "if run loadbootscr; then "\ + "echo Jumping to ${bootscr};" \ + "source ${scriptaddr};" \ + "fi;" \ + "run setargs boot_mmc;" \ + +#ifdef CONFIG_CMD_WATCHDOG +#define RESET_WATCHDOG " watchdog 0 &&" +#else +#define RESET_WATCHDOG "" +#endif + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "console=ttyS0,115200\0" \ + "root=/dev/mmcblk0p2 rootwait\0" \ + "panicarg=panic=10\0" \ + "extraargs=\0" \ + "loglevel=8\0" \ + "scriptaddr=0x44000000\0" \ + "setargs=setenv bootargs console=${console} root=${root}" \ + " loglevel=${loglevel} ${panicarg} ${extraargs}\0" \ + "kernel=uImage\0" \ + "bootenv=uEnv.txt\0" \ + "bootscr=boot/boot.scr\0" \ + "loadbootscr=fatload mmc 0 $scriptaddr ${bootscr} ||" \ + " ext2load mmc 0 $scriptaddr ${bootscr} ||" \ + " ext2load mmc 0 $scriptaddr boot/${bootscr}\0" \ + "loadbootenv=fatload mmc 0 $scriptaddr ${bootenv} ||" \ + " ext2load mmc 0 $scriptaddr ${bootenv} ||" \ + " ext2load mmc 0 $scriptaddr boot/${bootenv}\0" \ + "boot_mmc=fatload mmc 0 0x43000000 script.bin &&" \ + " fatload mmc 0 0x48000000 ${kernel} &&" \ + RESET_WATCHDOG \ + " && bootm 0x48000000\0" + +#define CONFIG_BOOTDELAY 3 +#define CONFIG_SYS_BOOT_GET_CMDLINE +#define CONFIG_AUTO_COMPLETE + +#include <config_cmd_default.h> + +#define CONFIG_DOS_PARTITION +#define CONFIG_CMD_FAT /* with this we can access fat bootfs */ +#define CONFIG_FAT_WRITE /* enable write access */ +#define CONFIG_CMD_EXT2 /* with this we can access ext2 bootfs */ +#define CONFIG_CMD_EXT4 /* with this we can access ext4 bootfs */ +#define CONFIG_CMD_ZFS /* with this we can access ZFS bootfs */ + +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_BSS_START_ADDR 0x50000000 +#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */ + +#define CONFIG_SPL_TEXT_BASE 0x20 /* sram start+header */ +#define CONFIG_SPL_MAX_SIZE 0x6000 /* 24 KB */ + +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBDISK_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_MMC_SUPPORT +#define CONFIG_SPL_DISPLAY_PRINT + +/* end of 24KB in sram */ +#define LOW_LEVEL_SRAM_STACK 0x00006000 +#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK +#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" + +/* 32KB offset */ +#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 64 +/* SPL starts at offset 8KiB im MMC and has the size of 24KiB */ +#define CONFIG_SPL_PAD_TO 24576 /* decimal for 'dd' */ + +#undef CONFIG_CMD_FPGA +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_NFS + +/* I2C */ +#define CONFIG_SPL_I2C_SUPPORT +#define CONFIG_SYS_I2C_SPEED 400000 +#define CONFIG_HARD_I2C +#define CONFIG_SUNXI_I2C +#define CONFIG_SYS_I2C_SLAVE 0x7f +#define CONFIG_CMD_I2C + +/* Watchdog */ +#if 0 +#define CONFIG_WATCHDOG /* automatic watchdog support */ +#define CONFIG_CMD_WATCHDOG /* watchdog command setting the watchdog timeout */ +#endif + +/* GPIO */ +#define CONFIG_SUNXI_GPIO +#define CONFIG_CMD_GPIO + +/* PMU */ +#define CONFIG_SPL_POWER_SUPPORT +#ifndef CONFIG_NO_AXP +#define CONFIG_AXP209_POWER +#endif + +#endif /* _SUNXI_COMMON_CONFIG_H */ Index: include/netdev.h =================================================================== --- include/netdev.h.orig +++ include/netdev.h @@ -94,6 +94,7 @@ int sh_eth_initialize(bd_t *bis); int skge_initialize(bd_t *bis); int smc91111_initialize(u8 dev_num, int base_addr); int smc911x_initialize(u8 dev_num, int base_addr); +int sunxi_wemac_initialize(bd_t *bis); int tsi108_eth_initialize(bd_t *bis); int uec_standard_init(bd_t *bis); int uli526x_initialize(bd_t *bis); Index: MAINTAINERS =================================================================== --- MAINTAINERS.orig +++ MAINTAINERS @@ -337,6 +337,19 @@ Reinhard Meyer <reinhard.meyer@emk-elekt TOP5200 MPC5200 TOP9000 ARM926EJS (AT91SAM9xxx SoC) +Henrik Nordstrom <henrik@henriknordstrom.net> + A13_OLINUXINO ARM V7 (Allwinner A13 SoC) + A13_MID ARM V7 (Allwinner A13 SoC) + CUBIEBOARD ARM V7 (Allwinner A10 SoC) + CUBIEBOARD_512 ARM V7 (Allwinner A10 SoC) + HACKBERRY ARM V7 (Allwinner A10 SoC) + MELE_A1000 ARM V7 (Allwinner A10 SoC) + MINI-X ARM V7 (Allwinner A10 SoC) + SUN4I ARM V7 (Allwinner A10 SoC) + SUN4I_SDCON ARM V7 (Allwinner A10 SoC) + SUN5I ARM V7 (Allwinner A13 SoC) + SUN5I_SDCON ARM V7 (Allwinner A13 SoC) + Kyle Moffett <Kyle.D.Moffett@boeing.com> HWW1U1A P2020 Index: Makefile =================================================================== --- Makefile.orig +++ Makefile @@ -536,6 +536,16 @@ $(obj)u-boot.spr: $(obj)u-boot.img $(obj conv=notrunc 2>/dev/null cat $(obj)spl/u-boot-spl-pad.img $(obj)u-boot.img > $@ +# sunxi: Combined object with SPL U-Boot with sunxi header (sunxi-spl.bin) +# and the full-blown U-Boot attached to it +$(obj)u-boot-sunxi-with-spl.bin: $(obj)spl/sunxi-spl.bin $(obj)u-boot.bin + tr "\000" "\377" < /dev/zero | dd ibs=1 count=$(CONFIG_SPL_PAD_TO) \ + of=$(obj)spl/sunxi-spl-pad.bin 2>/dev/null + dd if=$(obj)spl/sunxi-spl.bin of=$(obj)spl/sunxi-spl-pad.bin \ + conv=notrunc 2>/dev/null + cat $(obj)spl/sunxi-spl-pad.bin $(obj)u-boot.bin > $@ + rm $(obj)spl/sunxi-spl-pad.bin + ifneq ($(CONFIG_TEGRA),) ifeq ($(CONFIG_OF_SEPARATE),y) nodtb=dtb @@ -778,6 +788,7 @@ unconfig: sinclude $(obj).boards.depend $(obj).boards.depend: boards.cfg @awk '(NF && $$1 !~ /^#/) { print $$1 ": " $$1 "_config; $$(MAKE)" }' $< > $@ + @awk '(NF && $$1 !~ /^#/ && tolower($$1) != $$1) { print tolower($$1) ": " $$1 "_config; $$(MAKE)" }' $< >> $@ # # Functions to generate common board directory names @@ -807,6 +818,7 @@ clean: $(obj)tools/gen_eth_addr $(obj)tools/img2srec \ $(obj)tools/mk{env,}image $(obj)tools/mpc86x_clk \ $(obj)tools/mk{smdk5250,}spl \ + $(obj)tools/mksunxiboot \ $(obj)tools/mxsboot \ $(obj)tools/ncb $(obj)tools/ubsha1 \ $(obj)tools/kernel-doc/docproc @@ -864,6 +876,7 @@ clobber: tidy @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f @rm -f $(obj)dts/*.tmp @rm -f $(obj)spl/u-boot-spl{,-pad}.ais + @rm -f $(obj)spl/sun?i-spl.bin mrproper \ distclean: clobber unconfig Index: mkconfig =================================================================== --- mkconfig.orig +++ mkconfig @@ -164,6 +164,7 @@ done echo "#define CONFIG_SYS_ARCH \"${arch}\"" >> config.h echo "#define CONFIG_SYS_CPU \"${cpu}\"" >> config.h echo "#define CONFIG_SYS_BOARD \"${board}\"" >> config.h +echo "#define CONFIG_SYS_TARGET \"${BOARD_NAME}\"" >> config.h [ "${vendor}" ] && echo "#define CONFIG_SYS_VENDOR \"${vendor}\"" >> config.h Index: snapshot.commit =================================================================== --- snapshot.commit.orig +++ snapshot.commit @@ -1 +1 @@ -d10f68ae47b67acab8b110b5c605dde4197a1820 Fri, 19 Apr 2013 10:25:43 -0400 +$Format:%H %cD$ Index: spl/Makefile =================================================================== --- spl/Makefile.orig +++ spl/Makefile @@ -153,6 +153,10 @@ ifdef CONFIG_SAMSUNG ALL-y += $(obj)$(BOARD)-spl.bin endif +ifdef CONFIG_SUNXI +ALL-y += $(obj)sunxi-spl.bin +endif + all: $(ALL-y) ifdef CONFIG_SAMSUNG @@ -161,6 +165,12 @@ $(obj)$(BOARD)-spl.bin: $(obj)u-boot-spl $(obj)u-boot-spl.bin $(obj)$(BOARD)-spl.bin endif +ifdef CONFIG_SUNXI +$(obj)sunxi-spl.bin: $(obj)u-boot-spl.bin + $(OBJTREE)/tools/mksunxiboot \ + $(obj)u-boot-spl.bin $(obj)sunxi-spl.bin +endif + $(obj)u-boot-spl.bin: $(obj)u-boot-spl $(OBJCOPY) $(OBJCFLAGS) -O binary $< $@ Index: tools/.gitignore =================================================================== --- tools/.gitignore.orig +++ tools/.gitignore @@ -7,6 +7,7 @@ /mkimage /mpc86x_clk /mxsboot +/mksunxiboot /ncb /ncp /ubsha1 Index: tools/Makefile =================================================================== --- tools/Makefile.orig +++ tools/Makefile @@ -70,6 +70,7 @@ BIN_FILES-y += mkenvimage$(SFX) BIN_FILES-y += mkimage$(SFX) BIN_FILES-$(CONFIG_SMDK5250) += mksmdk5250spl$(SFX) BIN_FILES-$(CONFIG_MX23) += mxsboot$(SFX) +BIN_FILES-$(CONFIG_SUNXI) += mksunxiboot$(SFX) BIN_FILES-$(CONFIG_MX28) += mxsboot$(SFX) BIN_FILES-$(CONFIG_NETCONSOLE) += ncb$(SFX) BIN_FILES-$(CONFIG_SHA1_CHECK_UB_IMG) += ubsha1$(SFX) @@ -100,6 +101,7 @@ NOPED_OBJ_FILES-y += mkenvimage.o NOPED_OBJ_FILES-y += mkimage.o OBJ_FILES-$(CONFIG_SMDK5250) += mkexynosspl.o OBJ_FILES-$(CONFIG_MX23) += mxsboot.o +OBJ_FILES-$(CONFIG_SUNXI) += mksunxiboot.o OBJ_FILES-$(CONFIG_MX28) += mxsboot.o OBJ_FILES-$(CONFIG_NETCONSOLE) += ncb.o NOPED_OBJ_FILES-y += os_support.o @@ -231,6 +233,10 @@ $(obj)mpc86x_clk$(SFX): $(obj)mpc86x_clk $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ $(HOSTSTRIP) $@ +$(obj)mksunxiboot$(SFX): $(obj)mksunxiboot.o + $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ + $(HOSTSTRIP) $@ + $(obj)mxsboot$(SFX): $(obj)mxsboot.o $(HOSTCC) $(HOSTCFLAGS) $(HOSTLDFLAGS) -o $@ $^ $(HOSTSTRIP) $@ Index: tools/mksunxiboot.c =================================================================== --- /dev/null +++ tools/mksunxiboot.c @@ -0,0 +1,162 @@ +/* + * (C) Copyright 2007-2011 + * Allwinner Technology Co., Ltd. <www.allwinnertech.com> + * Tom Cubie <tangliang@allwinnertech.com> + * + * a simple tool to generate bootable image for sunxi platform. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <fcntl.h> +#include <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> + +typedef unsigned char u8; +typedef unsigned int u32; + +/* boot head definition from sun4i boot code */ +struct boot_file_head { + u32 jump_instruction; /* one intruction jumping to real code */ + u8 magic[8]; /* ="eGON.BT0" or "eGON.BT1", not C-style str */ + u32 check_sum; /* generated by PC */ + u32 length; /* generated by PC */ +#if 1 + /* We use a simplified header, only filling in what is needed by the + * boot ROM. To be compatible with Allwinner tools the larger header + * below should be used, followed by a custom header if desired. */ + u8 pad[12]; /* align to 32 bytes */ +#else + u32 pub_head_size; /* the size of boot_file_head */ + u8 pub_head_vsn[4]; /* the version of boot_file_head */ + u8 file_head_vsn[4]; /* the version of boot0_file_head or + boot1_file_head */ + u8 Boot_vsn[4]; /* Boot version */ + u8 eGON_vsn[4]; /* eGON version */ + u8 platform[8]; /* platform information */ +#endif +}; + +#define BOOT0_MAGIC "eGON.BT0" +#define STAMP_VALUE 0x5F0A6C39 + +/* check sum functon from sun4i boot code */ +int gen_check_sum(void *boot_buf) +{ + struct boot_file_head *head_p; + u32 length; + u32 *buf; + u32 loop; + u32 i; + u32 sum; + + head_p = (struct boot_file_head *) boot_buf; + length = head_p->length; + if ((length & 0x3) != 0) /* must 4-byte-aligned */ + return -1; + buf = (u32 *) boot_buf; + head_p->check_sum = STAMP_VALUE; /* fill stamp */ + loop = length >> 2; + + /* calculate the sum */ + for (i = 0, sum = 0; i < loop; i++) + sum += buf[i]; + + /* write back check sum */ + head_p->check_sum = sum; + + return 0; +} + +#define ALIGN(x, a) __ALIGN_MASK((x), (typeof(x))(a)-1) +#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) + +#define SUN4I_SRAM_SIZE (24 * 1024) +#define SRAM_LOAD_MAX_SIZE (SUN4I_SRAM_SIZE - sizeof(struct boot_file_head)) +#define BLOCK_SIZE 512 + +struct boot_img { + struct boot_file_head header; + char code[SRAM_LOAD_MAX_SIZE]; + char pad[BLOCK_SIZE]; +}; + +int main(int argc, char *argv[]) +{ + int fd_in, fd_out; + struct boot_img img; + unsigned file_size, load_size; + int count; + + if (argc < 2) { + printf("\tThis program makes an input bin file to sun4i " + "bootable image.\n" + "\tUsage: %s input_file out_putfile\n", argv[0]); + return EXIT_FAILURE; + } + + fd_in = open(argv[1], O_RDONLY); + if (fd_in < 0) { + perror("Open input file:"); + return EXIT_FAILURE; + } + + fd_out = open(argv[2], O_WRONLY | O_CREAT, 0666); + if (fd_out < 0) { + perror("Open output file:"); + return EXIT_FAILURE; + } + + memset((void *)img.pad, 0, BLOCK_SIZE); + + /* get input file size */ + file_size = lseek(fd_in, 0, SEEK_END); + printf("File size: 0x%x\n", file_size); + + if (file_size > SRAM_LOAD_MAX_SIZE) + load_size = SRAM_LOAD_MAX_SIZE; + else + load_size = ALIGN(file_size, sizeof(int)); + printf("Load size: 0x%x\n", load_size); + + /* read file to buffer to calculate checksum */ + lseek(fd_in, 0, SEEK_SET); + count = read(fd_in, img.code, load_size); + printf("Read 0x%x bytes\n", count); + + /* fill the header */ + img.header.jump_instruction = /* b instruction */ + 0xEA000000 | /* jump to the first instr after the header */ + ((sizeof(struct boot_file_head) / sizeof(int) - 2) + & 0x00FFFFFF); + memcpy(img.header.magic, BOOT0_MAGIC, 8); /* no '0' termination */ + img.header.length = + ALIGN(load_size + sizeof(struct boot_file_head), BLOCK_SIZE); + gen_check_sum((void *)&img); + + count = write(fd_out, (void *)&img, img.header.length); + printf("Write 0x%x bytes\n", count); + + close(fd_in); + close(fd_out); + + return EXIT_SUCCESS; +} Index: tools/mksunxiboot.README =================================================================== --- /dev/null +++ tools/mksunxiboot.README @@ -0,0 +1,13 @@ +This program make a arm binary file can be loaded by Allwinner A10 and releated +chips from storage media such as nand and mmc. + +More information about A10 boot, please refer to +http://rhombus-tech.net/allwinner_a10/a10_boot_process/ + +To compile this program, just type make, you will get 'mksunxiboot'. + +To use it, +$./mksunxiboot u-boot.bin u-boot-mmc.bin +then you can write it to a mmc card with dd. +$sudo dd if=u-boot-mmc.bin of=/dev/sdb bs=1024 seek=8 +then insert your mmc card to your A10 tablet, you can boot from mmc card.
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