diff options
Diffstat (limited to 'arch/arm/cpu/armv7/sunxi/board.c')
-rw-r--r-- | arch/arm/cpu/armv7/sunxi/board.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/arch/arm/cpu/armv7/sunxi/board.c b/arch/arm/cpu/armv7/sunxi/board.c deleted file mode 100644 index eb5f4b686e..0000000000 --- a/arch/arm/cpu/armv7/sunxi/board.c +++ /dev/null @@ -1,272 +0,0 @@ -/* - * (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. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mmc.h> -#include <i2c.h> -#include <serial.h> -#ifdef CONFIG_SPL_BUILD -#include <spl.h> -#endif -#include <asm/gpio.h> -#include <asm/io.h> -#include <asm/arch/clock.h> -#include <asm/arch/gpio.h> -#include <asm/arch/spl.h> -#include <asm/arch/sys_proto.h> -#include <asm/arch/timer.h> -#include <asm/arch/tzpc.h> -#include <asm/arch/mmc.h> - -#include <linux/compiler.h> - -struct fel_stash { - uint32_t sp; - uint32_t lr; - uint32_t cpsr; - uint32_t sctlr; - uint32_t vbar; - uint32_t cr; -}; - -struct fel_stash fel_stash __attribute__((section(".data"))); - -static int gpio_init(void) -{ -#if CONFIG_CONS_INDEX == 1 && defined(CONFIG_UART0_PORT_F) -#if defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I) - /* 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 -#if defined(CONFIG_MACH_SUN8I) - sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUN8I_GPF_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUN8I_GPF_UART0); -#else - sunxi_gpio_set_cfgpin(SUNXI_GPF(2), SUNXI_GPF_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPF(4), SUNXI_GPF_UART0); -#endif - sunxi_gpio_set_pull(SUNXI_GPF(4), 1); -#elif CONFIG_CONS_INDEX == 1 && (defined(CONFIG_MACH_SUN4I) || defined(CONFIG_MACH_SUN7I)) - sunxi_gpio_set_cfgpin(SUNXI_GPB(22), SUN4I_GPB_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPB(23), SUN4I_GPB_UART0); - sunxi_gpio_set_pull(SUNXI_GPB(23), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN5I) - sunxi_gpio_set_cfgpin(SUNXI_GPB(19), SUN5I_GPB_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPB(20), SUN5I_GPB_UART0); - sunxi_gpio_set_pull(SUNXI_GPB(20), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN6I) - sunxi_gpio_set_cfgpin(SUNXI_GPH(20), SUN6I_GPH_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPH(21), SUN6I_GPH_UART0); - sunxi_gpio_set_pull(SUNXI_GPH(21), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN8I_A33) - sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN8I_A33_GPB_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN8I_A33_GPB_UART0); - sunxi_gpio_set_pull(SUNXI_GPB(1), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN8I_H3) - sunxi_gpio_set_cfgpin(SUNXI_GPA(4), SUN8I_H3_GPA_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPA(5), SUN8I_H3_GPA_UART0); - sunxi_gpio_set_pull(SUNXI_GPA(5), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN8I_A83T) - sunxi_gpio_set_cfgpin(SUNXI_GPB(9), SUN8I_A83T_GPB_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPB(10), SUN8I_A83T_GPB_UART0); - sunxi_gpio_set_pull(SUNXI_GPB(10), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 1 && defined(CONFIG_MACH_SUN9I) - sunxi_gpio_set_cfgpin(SUNXI_GPH(12), SUN9I_GPH_UART0); - sunxi_gpio_set_cfgpin(SUNXI_GPH(13), SUN9I_GPH_UART0); - sunxi_gpio_set_pull(SUNXI_GPH(13), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 2 && defined(CONFIG_MACH_SUN5I) - sunxi_gpio_set_cfgpin(SUNXI_GPG(3), SUN5I_GPG_UART1); - sunxi_gpio_set_cfgpin(SUNXI_GPG(4), SUN5I_GPG_UART1); - sunxi_gpio_set_pull(SUNXI_GPG(4), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 3 && defined(CONFIG_MACH_SUN8I) - sunxi_gpio_set_cfgpin(SUNXI_GPB(0), SUN8I_GPB_UART2); - sunxi_gpio_set_cfgpin(SUNXI_GPB(1), SUN8I_GPB_UART2); - sunxi_gpio_set_pull(SUNXI_GPB(1), SUNXI_GPIO_PULL_UP); -#elif CONFIG_CONS_INDEX == 5 && defined(CONFIG_MACH_SUN8I) - sunxi_gpio_set_cfgpin(SUNXI_GPL(2), SUN8I_GPL_R_UART); - sunxi_gpio_set_cfgpin(SUNXI_GPL(3), SUN8I_GPL_R_UART); - sunxi_gpio_set_pull(SUNXI_GPL(3), SUNXI_GPIO_PULL_UP); -#else -#error Unsupported console port number. Please fix pin mux settings in board.c -#endif - - return 0; -} - -int spl_board_load_image(void) -{ - debug("Returning to FEL sp=%x, lr=%x\n", fel_stash.sp, fel_stash.lr); - return_to_fel(fel_stash.sp, fel_stash.lr); - - return 0; -} - -void s_init(void) -{ -#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I_A23 - /* Magic (undocmented) value taken from boot0, without this DRAM - * access gets messed up (seems cache related) */ - setbits_le32(SUNXI_SRAMC_BASE + 0x44, 0x1800); -#endif -#if defined CONFIG_MACH_SUN6I || \ - defined CONFIG_MACH_SUN7I || \ - defined CONFIG_MACH_SUN8I - /* Enable SMP mode for CPU0, by setting bit 6 of Auxiliary Ctl reg */ - asm volatile( - "mrc p15, 0, r0, c1, c0, 1\n" - "orr r0, r0, #1 << 6\n" - "mcr p15, 0, r0, c1, c0, 1\n"); -#endif -#if defined CONFIG_MACH_SUN6I || defined CONFIG_MACH_SUN8I_H3 - /* Enable non-secure access to some peripherals */ - tzpc_init(); -#endif - - clock_init(); - timer_init(); - gpio_init(); - i2c_init_board(); -} - -#ifdef CONFIG_SPL_BUILD -DECLARE_GLOBAL_DATA_PTR; - -/* The sunxi internal brom will try to loader external bootloader - * from mmc0, nand flash, mmc2. - */ -u32 spl_boot_device(void) -{ - __maybe_unused struct mmc *mmc0, *mmc1; - /* - * When booting from the SD card or NAND memory, the "eGON.BT0" - * signature is expected to be found in memory at the address 0x0004 - * (see the "mksunxiboot" tool, which generates this header). - * - * When booting in the FEL mode over USB, this signature is patched in - * memory and replaced with something else by the 'fel' tool. This other - * signature is selected in such a way, that it can't be present in a - * valid bootable SD card image (because the BROM would refuse to - * execute the SPL in this case). - * - * This checks for the signature and if it is not found returns to - * the FEL code in the BROM to wait and receive the main u-boot - * binary over USB. If it is found, it determines where SPL was - * read from. - */ - if (!is_boot0_magic(SPL_ADDR + 4)) /* eGON.BT0 */ - return BOOT_DEVICE_BOARD; - - /* The BROM will try to boot from mmc0 first, so try that first. */ -#ifdef CONFIG_MMC - mmc_initialize(gd->bd); - mmc0 = find_mmc_device(0); - if (sunxi_mmc_has_egon_boot_signature(mmc0)) - return BOOT_DEVICE_MMC1; -#endif - - /* Fallback to booting NAND if enabled. */ - if (IS_ENABLED(CONFIG_SPL_NAND_SUPPORT)) - return BOOT_DEVICE_NAND; - -#ifdef CONFIG_MMC - if (CONFIG_MMC_SUNXI_SLOT_EXTRA == 2) { - mmc1 = find_mmc_device(1); - if (sunxi_mmc_has_egon_boot_signature(mmc1)) - return BOOT_DEVICE_MMC2; - } -#endif - - panic("Could not determine boot source\n"); - return -1; /* Never reached */ -} - -/* No confirmation data available in SPL yet. Hardcode bootmode */ -u32 spl_boot_mode(void) -{ - return MMCSD_MODE_RAW; -} - -void board_init_f(ulong dummy) -{ - spl_init(); - 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 - -void reset_cpu(ulong addr) -{ -#ifdef CONFIG_SUNXI_GEN_SUN4I - static const struct sunxi_wdog *wdog = - &((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog; - - /* Set the watchdog for its shortest interval (.5s) and wait */ - writel(WDT_MODE_RESET_EN | WDT_MODE_EN, &wdog->mode); - writel(WDT_CTRL_KEY | WDT_CTRL_RESTART, &wdog->ctl); - - while (1) { - /* sun5i sometimes gets stuck without this */ - writel(WDT_MODE_RESET_EN | WDT_MODE_EN, &wdog->mode); - } -#endif -#ifdef CONFIG_SUNXI_GEN_SUN6I - static const struct sunxi_wdog *wdog = - ((struct sunxi_timer_reg *)SUNXI_TIMER_BASE)->wdog; - - /* Set the watchdog for its shortest interval (.5s) and wait */ - writel(WDT_CFG_RESET, &wdog->cfg); - writel(WDT_MODE_EN, &wdog->mode); - writel(WDT_CTRL_KEY | WDT_CTRL_RESTART, &wdog->ctl); - while (1) { } -#endif -} - -#ifndef CONFIG_SYS_DCACHE_OFF -void enable_caches(void) -{ - /* Enable D-cache. I-cache is already enabled in start.S */ - dcache_enable(); -} -#endif - -#ifdef CONFIG_CMD_NET -/* - * Initializes on-chip ethernet controllers. - * to override, implement board_eth_init() - */ -int cpu_eth_init(bd_t *bis) -{ - __maybe_unused int rc; - -#ifdef CONFIG_MACPWR - gpio_request(CONFIG_MACPWR, "macpwr"); - gpio_direction_output(CONFIG_MACPWR, 1); - mdelay(200); -#endif - -#ifdef CONFIG_SUNXI_GMAC - rc = sunxi_gmac_initialize(bis); - if (rc < 0) { - printf("sunxi: failed to initialize gmac\n"); - return rc; - } -#endif - - return 0; -} -#endif |