diff options
Diffstat (limited to 'drivers/mtd/spi/spi_spl_load.c')
-rw-r--r-- | drivers/mtd/spi/spi_spl_load.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/drivers/mtd/spi/spi_spl_load.c b/drivers/mtd/spi/spi_spl_load.c deleted file mode 100644 index bac1e85..0000000 --- a/drivers/mtd/spi/spi_spl_load.c +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Copyright (C) 2011 OMICRON electronics GmbH - * - * based on drivers/mtd/nand/nand_spl_load.c - * - * Copyright (C) 2011 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <spi.h> -#include <spi_flash.h> -#include <errno.h> -#include <spl.h> - -#ifdef CONFIG_SPL_OS_BOOT -/* - * Load the kernel, check for a valid header we can parse, and if found load - * the kernel and then device tree. - */ -static int spi_load_image_os(struct spi_flash *flash, - struct image_header *header) -{ - int err; - - /* Read for a header, parse or error out. */ - spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, 0x40, - (void *)header); - - if (image_get_magic(header) != IH_MAGIC) - return -1; - - err = spl_parse_image_header(header); - if (err) - return err; - - spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, - spl_image.size, (void *)spl_image.load_addr); - - /* Read device tree. */ - spi_flash_read(flash, CONFIG_SYS_SPI_ARGS_OFFS, - CONFIG_SYS_SPI_ARGS_SIZE, - (void *)CONFIG_SYS_SPL_ARGS_ADDR); - - return 0; -} -#endif - -static ulong spl_spi_fit_read(struct spl_load_info *load, ulong sector, - ulong count, void *buf) -{ - struct spi_flash *flash = load->dev; - ulong ret; - - ret = spi_flash_read(flash, sector, count, buf); - if (!ret) - return count; - else - return 0; -} -/* - * The main entry for SPI booting. It's necessary that SDRAM is already - * configured and available since this code loads the main U-Boot image - * from SPI into SDRAM and starts it from there. - */ -int spl_spi_load_image(void) -{ - int err = 0; - struct spi_flash *flash; - struct image_header *header; - - /* - * Load U-Boot image from SPI flash into RAM - */ - - flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS, - CONFIG_SF_DEFAULT_CS, - CONFIG_SF_DEFAULT_SPEED, - CONFIG_SF_DEFAULT_MODE); - if (!flash) { - puts("SPI probe failed.\n"); - return -ENODEV; - } - - /* use CONFIG_SYS_TEXT_BASE as temporary storage area */ - header = (struct image_header *)(CONFIG_SYS_TEXT_BASE); - -#ifdef CONFIG_SPL_OS_BOOT - if (spl_start_uboot() || spi_load_image_os(flash, header)) -#endif - { - /* Load u-boot, mkimage header is 64 bytes. */ - err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40, - (void *)header); - if (err) - return err; - - if (IS_ENABLED(CONFIG_SPL_LOAD_FIT)) { - struct spl_load_info load; - - debug("Found FIT\n"); - load.dev = flash; - load.priv = NULL; - load.filename = NULL; - load.bl_len = 1; - load.read = spl_spi_fit_read; - err = spl_load_simple_fit(&load, - CONFIG_SYS_SPI_U_BOOT_OFFS, - header); - } else { - err = spl_parse_image_header(header); - if (err) - return err; - err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, - spl_image.size, - (void *)spl_image.load_addr); - } - } - - return err; -} |