diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs/davinci/spl.c')
-rw-r--r-- | arch/arm/cpu/arm926ejs/davinci/spl.c | 72 |
1 files changed, 32 insertions, 40 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/spl.c b/arch/arm/cpu/arm926ejs/davinci/spl.c index 03c85c87fb..714fa92846 100644 --- a/arch/arm/cpu/arm926ejs/davinci/spl.c +++ b/arch/arm/cpu/arm926ejs/davinci/spl.c @@ -21,6 +21,8 @@ * MA 02111-1307 USA */ #include <common.h> +#include <config.h> +#include <spl.h> #include <asm/u-boot.h> #include <asm/utils.h> #include <nand.h> @@ -30,15 +32,9 @@ #include <spi_flash.h> #include <mmc.h> -#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT - DECLARE_GLOBAL_DATA_PTR; -/* Define global data structure pointer to it*/ -static gd_t gdata __attribute__ ((section(".data"))); -static bd_t bdata __attribute__ ((section(".data"))); - -#else +#ifndef CONFIG_SPL_LIBCOMMON_SUPPORT void puts(const char *str) { while (*str) @@ -52,53 +48,49 @@ void putc(char c) NS16550_putc((NS16550_t)(CONFIG_SYS_NS16550_COM1), c); } - #endif /* CONFIG_SPL_LIBCOMMON_SUPPORT */ -inline void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} - void board_init_f(ulong dummy) { + /* First, setup our stack pointer. */ + asm volatile("mov sp, %0\n" : : "r"(CONFIG_SPL_STACK)); + + /* Second, perform our low-level init. */ #ifdef CONFIG_SOC_DM365 dm36x_lowlevel_init(0); #endif #ifdef CONFIG_SOC_DA8XX arch_cpu_init(); #endif - relocate_code(CONFIG_SPL_STACK, NULL, CONFIG_SPL_TEXT_BASE); -} -void board_init_r(gd_t *id, ulong dummy) -{ -#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT - mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN, - CONFIG_SYS_MALLOC_LEN); + /* Third, we clear the BSS. */ + memset(__bss_start, 0, __bss_end__ - __bss_start); + /* Finally, setup gd and move to the next step. */ gd = &gdata; - gd->bd = &bdata; - gd->flags |= GD_FLG_RELOC; - gd->baudrate = CONFIG_BAUDRATE; - serial_init(); /* serial communications setup */ - gd->have_console = 1; + board_init_r(NULL, 0); +} -#endif +void spl_board_init(void) +{ + preloader_console_init(); +} -#ifdef CONFIG_SPL_NAND_LOAD - nand_init(); - puts("Nand boot...\n"); - nand_boot(); -#endif -#ifdef CONFIG_SPL_SPI_LOAD - puts("SPI boot...\n"); - spi_boot(); -#endif -#ifdef CONFIG_SPL_MMC_LOAD - puts("MMC boot...\n"); - spl_mmc_load(); +u32 spl_boot_mode(void) +{ + return MMCSD_MODE_RAW; +} + +u32 spl_boot_device(void) +{ +#ifdef CONFIG_SPL_NAND_SIMPLE + return BOOT_DEVICE_NAND; +#elif defined(CONFIG_SPL_SPI_LOAD) + return BOOT_DEVICE_SPI; +#elif defined(CONFIG_SPL_MMC_LOAD) + return BOOT_DEVICE_MMC1; +#else + puts("Unknown boot device\n"); + hang(); #endif } |