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author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-30 23:49:17 +0200 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-30 23:49:17 +0200 |
commit | 1c27059a2f7158a9c9a8778535b030935d75179d (patch) | |
tree | bf577d5c9f0da21c5d57feed1091214e54c39dec /arch/arm/cpu/armv7/omap-common/spl.c | |
parent | 8f0732ac3dc3bdbbcada313dc4b4b38d5d2c376a (diff) | |
parent | 4668a086bb0a769b741e3a4ffab85f1c41c7cdb8 (diff) | |
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Merge remote-tracking branch 'u-boot/master'
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common/spl.c')
-rw-r--r-- | arch/arm/cpu/armv7/omap-common/spl.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/spl.c b/arch/arm/cpu/armv7/omap-common/spl.c deleted file mode 100644 index 4d1ac85..0000000 --- a/arch/arm/cpu/armv7/omap-common/spl.c +++ /dev/null @@ -1,228 +0,0 @@ -/* - * (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 - */ -#include <common.h> -#include <asm/u-boot.h> -#include <asm/utils.h> -#include <asm/arch/sys_proto.h> -#include <nand.h> -#include <mmc.h> -#include <fat.h> -#include <version.h> -#include <asm/omap_common.h> -#include <asm/arch/mmc_host_def.h> -#include <i2c.h> -#include <image.h> -#include <malloc.h> -#include <linux/compiler.h> - -DECLARE_GLOBAL_DATA_PTR; - -u32* boot_params_ptr = NULL; -struct spl_image_info spl_image; - -/* Define global data structure pointer to it*/ -static gd_t gdata __attribute__ ((section(".data"))); -static bd_t bdata __attribute__ ((section(".data"))); - -inline void hang(void) -{ - puts("### ERROR ### Please RESET the board ###\n"); - for (;;) - ; -} - -void board_init_f(ulong dummy) -{ - /* - * We call relocate_code() with relocation target same as the - * CONFIG_SYS_SPL_TEXT_BASE. This will result in relocation getting - * skipped. Instead, only .bss initialization will happen. That's - * all we need - */ - debug(">>board_init_f()\n"); - relocate_code(CONFIG_SPL_STACK, &gdata, CONFIG_SPL_TEXT_BASE); -} - -/* - * Default function to determine if u-boot or the OS should - * be started. This implementation always returns 1. - * - * Please implement your own board specific funcion to do this. - * - * RETURN - * 0 to not start u-boot - * positive if u-boot should start - */ -#ifdef CONFIG_SPL_OS_BOOT -__weak int spl_start_uboot(void) -{ - printf("SPL: Please implement spl_start_uboot() for your board\n"); - printf("SPL: Direct Linux boot not active!\n"); - return 1; -} -#endif - -void spl_parse_image_header(const struct image_header *header) -{ - u32 header_size = sizeof(struct image_header); - - if (__be32_to_cpu(header->ih_magic) == IH_MAGIC) { - spl_image.size = __be32_to_cpu(header->ih_size) + header_size; - spl_image.entry_point = __be32_to_cpu(header->ih_load); - /* Load including the header */ - spl_image.load_addr = spl_image.entry_point - header_size; - spl_image.os = header->ih_os; - spl_image.name = (const char *)&header->ih_name; - debug("spl: payload image: %s load addr: 0x%x size: %d\n", - spl_image.name, spl_image.load_addr, spl_image.size); - } else { - /* Signature not found - assume u-boot.bin */ - printf("mkimage signature not found - ih_magic = %x\n", - header->ih_magic); - debug("Assuming u-boot.bin ..\n"); - /* Let's assume U-Boot will not be more than 200 KB */ - spl_image.size = 200 * 1024; - spl_image.entry_point = CONFIG_SYS_TEXT_BASE; - spl_image.load_addr = CONFIG_SYS_TEXT_BASE; - spl_image.os = IH_OS_U_BOOT; - spl_image.name = "U-Boot"; - } -} - -/* - * This function jumps to an image with argument. Normally an FDT or ATAGS - * image. - * arg: Pointer to paramter image in RAM - */ -#ifdef CONFIG_SPL_OS_BOOT -static void __noreturn jump_to_image_linux(void *arg) -{ - debug("Entering kernel arg pointer: 0x%p\n", arg); - typedef void (*image_entry_arg_t)(int, int, void *) - __attribute__ ((noreturn)); - image_entry_arg_t image_entry = - (image_entry_arg_t) spl_image.entry_point; - cleanup_before_linux(); - image_entry(0, CONFIG_MACH_TYPE, arg); -} -#endif - -static void __noreturn jump_to_image_no_args(void) -{ - typedef void __noreturn (*image_entry_noargs_t)(u32 *); - image_entry_noargs_t image_entry = - (image_entry_noargs_t) spl_image.entry_point; - - debug("image entry point: 0x%X\n", spl_image.entry_point); - /* Pass the saved boot_params from rom code */ -#if defined(CONFIG_VIRTIO) || defined(CONFIG_ZEBU) - image_entry = (image_entry_noargs_t)0x80100000; -#endif - u32 boot_params_ptr_addr = (u32)&boot_params_ptr; - image_entry((u32 *)boot_params_ptr_addr); -} - -void board_init_r(gd_t *id, ulong dummy) -{ - u32 boot_device; - debug(">>spl:board_init_r()\n"); - - mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START, - CONFIG_SYS_SPL_MALLOC_SIZE); - -#ifdef CONFIG_SPL_BOARD_INIT - spl_board_init(); -#endif - - boot_device = omap_boot_device(); - debug("boot device - %d\n", boot_device); - switch (boot_device) { -#ifdef CONFIG_SPL_MMC_SUPPORT - case BOOT_DEVICE_MMC1: - case BOOT_DEVICE_MMC2: - case BOOT_DEVICE_MMC2_2: - spl_mmc_load_image(); - break; -#endif -#ifdef CONFIG_SPL_NAND_SUPPORT - case BOOT_DEVICE_NAND: - spl_nand_load_image(); - break; -#endif -#ifdef CONFIG_SPL_YMODEM_SUPPORT - case BOOT_DEVICE_UART: - spl_ymodem_load_image(); - break; -#endif - default: - printf("SPL: Un-supported Boot Device - %d!!!\n", boot_device); - hang(); - break; - } - - switch (spl_image.os) { - case IH_OS_U_BOOT: - debug("Jumping to U-Boot\n"); - jump_to_image_no_args(); - break; -#ifdef CONFIG_SPL_OS_BOOT - case IH_OS_LINUX: - debug("Jumping to Linux\n"); - spl_board_prepare_for_linux(); - jump_to_image_linux((void *)CONFIG_SYS_SPL_ARGS_ADDR); - break; -#endif - default: - puts("Unsupported OS image.. Jumping nevertheless..\n"); - jump_to_image_no_args(); - } -} - -/* This requires UART clocks to be enabled */ -void preloader_console_init(void) -{ - const char *u_boot_rev = U_BOOT_VERSION; - - gd = &gdata; - gd->bd = &bdata; - gd->flags |= GD_FLG_RELOC; - gd->baudrate = CONFIG_BAUDRATE; - - serial_init(); /* serial communications setup */ - - gd->have_console = 1; - - /* Avoid a second "U-Boot" coming from this string */ - u_boot_rev = &u_boot_rev[7]; - - printf("\nU-Boot SPL %s (%s - %s)\n", u_boot_rev, U_BOOT_DATE, - U_BOOT_TIME); - omap_rev_string(); -} - -void __weak omap_rev_string() -{ - printf("Texas Instruments Revision detection unimplemented\n"); -} |