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bcb8cac2d5
CFG_SYS_SPI_* are used in falcon boot to specify the offsets and size of the respective payloads. This patch moves them to Kconfig keeping the values consistent for each of the affected boards. Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Fabio Estevam <festevam@gmail.com> Signed-off-by: Anshul Dalal <anshuld@ti.com>
108 lines
2.6 KiB
C
108 lines
2.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2011 OMICRON electronics GmbH
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*
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* based on drivers/mtd/nand/raw/nand_spl_load.c
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*
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* Copyright (C) 2011
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* Heiko Schocher, DENX Software Engineering, hs@denx.de.
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*/
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#include <config.h>
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#include <image.h>
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#include <imx_container.h>
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#include <log.h>
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#include <spi.h>
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#include <spi_flash.h>
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#include <errno.h>
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#include <spl.h>
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#include <spl_load.h>
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#include <asm/global_data.h>
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#include <asm/io.h>
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#include <dm/ofnode.h>
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static ulong spl_spi_fit_read(struct spl_load_info *load, ulong sector,
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ulong count, void *buf)
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{
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struct spi_flash *flash = load->priv;
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ulong ret;
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ret = spi_flash_read(flash, sector, count, buf);
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if (!ret)
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return count;
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else
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return 0;
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}
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unsigned int __weak spl_spi_get_uboot_offs(struct spi_flash *flash)
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{
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return CONFIG_SYS_SPI_U_BOOT_OFFS;
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}
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u32 __weak spl_spi_boot_bus(void)
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{
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return CONFIG_SF_DEFAULT_BUS;
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}
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u32 __weak spl_spi_boot_cs(void)
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{
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return CONFIG_SF_DEFAULT_CS;
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}
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/*
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* The main entry for SPI booting. It's necessary that SDRAM is already
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* configured and available since this code loads the main U-Boot image
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* from SPI into SDRAM and starts it from there.
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*/
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static int spl_spi_load_image(struct spl_image_info *spl_image,
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struct spl_boot_device *bootdev)
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{
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int err = 0;
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unsigned int payload_offs;
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struct spi_flash *flash;
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unsigned int sf_bus = spl_spi_boot_bus();
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unsigned int sf_cs = spl_spi_boot_cs();
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struct spl_load_info load;
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/*
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* Load U-Boot image from SPI flash into RAM
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* In DM mode: defaults speed and mode will be
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* taken from DT when available
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*/
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flash = spi_flash_probe(sf_bus, sf_cs,
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CONFIG_SF_DEFAULT_SPEED,
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CONFIG_SF_DEFAULT_MODE);
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if (!flash) {
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puts("SPI probe failed.\n");
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return -ENODEV;
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}
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spl_load_init(&load, spl_spi_fit_read, flash, 1);
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#if CONFIG_IS_ENABLED(OS_BOOT)
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if (spl_start_uboot()) {
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int err = spl_load(spl_image, bootdev, &load, 0,
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CONFIG_SYS_SPI_KERNEL_OFFS);
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if (!err)
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/* Read device tree. */
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return spi_flash_read(
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flash, CONFIG_SYS_SPI_ARGS_OFFS,
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CONFIG_SYS_SPI_ARGS_SIZE,
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(void *)CONFIG_SPL_PAYLOAD_ARGS_ADDR);
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}
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#endif
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payload_offs = spl_spi_get_uboot_offs(flash);
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if (CONFIG_IS_ENABLED(OF_REAL)) {
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payload_offs = ofnode_conf_read_int("u-boot,spl-payload-offset",
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payload_offs);
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}
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err = spl_load(spl_image, bootdev, &load, 0, payload_offs);
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if (IS_ENABLED(CONFIG_SPI_FLASH_SOFT_RESET))
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err = spi_nor_remove(flash);
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return err;
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}
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/* Use priorty 1 so that boards can override this */
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SPL_LOAD_IMAGE_METHOD("SPI", 1, BOOT_DEVICE_SPI, spl_spi_load_image);
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