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Diffstat (limited to 'common/spl/spl.c')
| -rw-r--r-- | common/spl/spl.c | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/common/spl/spl.c b/common/spl/spl.c deleted file mode 100644 index 2c7ca16dc..000000000 --- a/common/spl/spl.c +++ /dev/null @@ -1,256 +0,0 @@ -/* - * (C) Copyright 2010 - * Texas Instruments, <www.ti.com> - * - * Aneesh V <aneesh@ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <spl.h> -#include <asm/u-boot.h> -#include <nand.h> -#include <fat.h> -#include <version.h> -#include <i2c.h> -#include <image.h> -#include <malloc.h> -#include <linux/compiler.h> - -DECLARE_GLOBAL_DATA_PTR; - -#ifndef CONFIG_SYS_UBOOT_START -#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE -#endif -#ifndef CONFIG_SYS_MONITOR_LEN -#define CONFIG_SYS_MONITOR_LEN (200 * 1024) -#endif - -u32 *boot_params_ptr = NULL; -struct spl_image_info spl_image; - -/* Define board data structure */ -static bd_t bdata __attribute__ ((section(".data"))); - -/* - * 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) -{ - puts("SPL: Please implement spl_start_uboot() for your board\n"); - puts("SPL: Direct Linux boot not active!\n"); - return 1; -} -#endif - -/* - * Weak default function for board specific cleanup/preparation before - * Linux boot. Some boards/platforms might not need it, so just provide - * an empty stub here. - */ -__weak void spl_board_prepare_for_linux(void) -{ - /* Nothing to do! */ -} - -void spl_parse_image_header(const struct image_header *header) -{ - u32 header_size = sizeof(struct image_header); - - if (image_get_magic(header) == IH_MAGIC) { - if (spl_image.flags & SPL_COPY_PAYLOAD_ONLY) { - /* - * On some system (e.g. powerpc), the load-address and - * entry-point is located at address 0. We can't load - * to 0-0x40. So skip header in this case. - */ - spl_image.load_addr = image_get_load(header); - spl_image.entry_point = image_get_ep(header); - spl_image.size = image_get_data_size(header); - } else { - spl_image.entry_point = image_get_load(header); - /* Load including the header */ - spl_image.load_addr = spl_image.entry_point - - header_size; - spl_image.size = image_get_data_size(header) + - header_size; - } - spl_image.os = image_get_os(header); - spl_image.name = image_get_name(header); - debug("spl: payload image: %.*s load addr: 0x%x size: %d\n", - sizeof(spl_image.name), spl_image.name, - spl_image.load_addr, spl_image.size); - } else { - /* Signature not found - assume u-boot.bin */ - debug("mkimage signature not found - ih_magic = %x\n", - header->ih_magic); - /* Let's assume U-Boot will not be more than 200 KB */ - spl_image.size = CONFIG_SYS_MONITOR_LEN; - spl_image.entry_point = CONFIG_SYS_UBOOT_START; - spl_image.load_addr = CONFIG_SYS_TEXT_BASE; - spl_image.os = IH_OS_U_BOOT; - spl_image.name = "U-Boot"; - } -} - -__weak void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image) -{ - typedef void __noreturn (*image_entry_noargs_t)(void); - - 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); - image_entry(); -} - -#ifdef CONFIG_SPL_RAM_DEVICE -static void spl_ram_load_image(void) -{ - const struct image_header *header; - - /* - * Get the header. It will point to an address defined by handoff - * which will tell where the image located inside the flash. For - * now, it will temporary fixed to address pointed by U-Boot. - */ - header = (struct image_header *) - (CONFIG_SYS_TEXT_BASE - sizeof(struct image_header)); - - spl_parse_image_header(header); -} -#endif - -void board_init_r(gd_t *dummy1, ulong dummy2) -{ - u32 boot_device; - debug(">>spl:board_init_r()\n"); - -#ifdef CONFIG_SYS_SPL_MALLOC_START - mem_malloc_init(CONFIG_SYS_SPL_MALLOC_START, - CONFIG_SYS_SPL_MALLOC_SIZE); -#endif - -#ifndef CONFIG_PPC - /* - * timer_init() does not exist on PPC systems. The timer is initialized - * and enabled (decrementer) in interrupt_init() here. - */ - timer_init(); -#endif - -#ifdef CONFIG_SPL_BOARD_INIT - spl_board_init(); -#endif - - boot_device = spl_boot_device(); - debug("boot device - %d\n", boot_device); - switch (boot_device) { -#ifdef CONFIG_SPL_RAM_DEVICE - case BOOT_DEVICE_RAM: - debug("Booting from RAM\n"); - spl_ram_load_image(); - break; -#endif -#ifdef CONFIG_SPL_MMC_SUPPORT - case BOOT_DEVICE_MMC1: - case BOOT_DEVICE_MMC2: - case BOOT_DEVICE_MMC2_2: - debug("Booting from MMC\n"); - spl_mmc_load_image(); - break; -#endif -#ifdef CONFIG_SPL_NAND_SUPPORT - case BOOT_DEVICE_NAND: - debug("Booting from NAND\n"); - spl_nand_load_image(); - break; -#endif -#ifdef CONFIG_SPL_ONENAND_SUPPORT - case BOOT_DEVICE_ONENAND: - debug("Booting from ONENAND\n"); - spl_onenand_load_image(); - break; -#endif -#ifdef CONFIG_SPL_NOR_SUPPORT - case BOOT_DEVICE_NOR: - debug("Booting from NOR\n"); - spl_nor_load_image(); - break; -#endif -#ifdef CONFIG_SPL_YMODEM_SUPPORT - case BOOT_DEVICE_UART: - debug("Booting from Y modem\n"); - spl_ymodem_load_image(); - break; -#endif -#ifdef CONFIG_SPL_SPI_SUPPORT - case BOOT_DEVICE_SPI: - debug("Booting from SPI\n"); - spl_spi_load_image(); - break; -#endif -#ifdef CONFIG_SPL_ETH_SUPPORT - case BOOT_DEVICE_CPGMAC: -#ifdef CONFIG_SPL_ETH_DEVICE - debug("Booting from ETH\n"); - spl_net_load_image(CONFIG_SPL_ETH_DEVICE); -#else - spl_net_load_image(NULL); -#endif - break; -#endif -#ifdef CONFIG_SPL_USBETH_SUPPORT - case BOOT_DEVICE_USBETH: - debug("Booting from USB ETHER\"); - spl_net_load_image("usb_ether"); - break; -#endif - default: - debug("SPL: Un-supported Boot Device\n"); - hang(); - } - - switch (spl_image.os) { - case IH_OS_U_BOOT: - debug("Jumping to U-Boot\n"); - 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); -#endif - default: - debug("Unsupported OS image.. Jumping nevertheless..\n"); - } - jump_to_image_no_args(&spl_image); -} - -/* - * This requires UART clocks to be enabled. In order for this to work the - * caller must ensure that the gd pointer is valid. - */ -void preloader_console_init(void) -{ - gd->bd = &bdata; - gd->baudrate = CONFIG_BAUDRATE; - - serial_init(); /* serial communications setup */ - - gd->have_console = 1; - - puts("\nU-Boot SPL " PLAIN_VERSION " (" U_BOOT_DATE " - " \ - U_BOOT_TIME ")\n"); -#ifdef CONFIG_SPL_DISPLAY_PRINT - spl_display_print(); -#endif -} |