+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2011 OMICRON electronics GmbH
*
- * based on drivers/mtd/nand/nand_spl_load.c
+ * based on drivers/mtd/nand/raw/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 <image.h>
+#include <log.h>
#include <spi.h>
#include <spi_flash.h>
#include <errno.h>
#include <spl.h>
+#include <asm/global_data.h>
+#include <dm/ofnode.h>
-#ifdef CONFIG_SPL_OS_BOOT
+#if CONFIG_IS_ENABLED(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 spl_image_info *spl_image,
+ struct spl_boot_device *bootdev,
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,
+ spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS, sizeof(*header),
(void *)header);
if (image_get_magic(header) != IH_MAGIC)
return -1;
- err = spl_parse_image_header(spl_image, header);
+ err = spl_parse_image_header(spl_image, bootdev, header);
if (err)
return err;
else
return 0;
}
+
+unsigned int __weak spl_spi_get_uboot_offs(struct spi_flash *flash)
+{
+ return CONFIG_SYS_SPI_U_BOOT_OFFS;
+}
+
+u32 __weak spl_spi_boot_bus(void)
+{
+ return CONFIG_SF_DEFAULT_BUS;
+}
+
+u32 __weak spl_spi_boot_cs(void)
+{
+ return CONFIG_SF_DEFAULT_CS;
+}
+
/*
* 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
struct spl_boot_device *bootdev)
{
int err = 0;
+ unsigned int payload_offs;
struct spi_flash *flash;
struct image_header *header;
+ unsigned int sf_bus = spl_spi_boot_bus();
+ unsigned int sf_cs = spl_spi_boot_cs();
/*
* Load U-Boot image from SPI flash into RAM
+ * In DM mode: defaults speed and mode will be
+ * taken from DT when available
*/
-
- flash = spi_flash_probe(CONFIG_SF_DEFAULT_BUS,
- CONFIG_SF_DEFAULT_CS,
+ flash = spi_flash_probe(sf_bus, sf_cs,
CONFIG_SF_DEFAULT_SPEED,
CONFIG_SF_DEFAULT_MODE);
if (!flash) {
return -ENODEV;
}
- /* use CONFIG_SYS_TEXT_BASE as temporary storage area */
- header = (struct image_header *)(CONFIG_SYS_TEXT_BASE);
+ payload_offs = spl_spi_get_uboot_offs(flash);
+
+ header = spl_get_load_buffer(-sizeof(*header), sizeof(*header));
+
+ if (CONFIG_IS_ENABLED(OF_REAL)) {
+ payload_offs = ofnode_conf_read_int("u-boot,spl-payload-offset",
+ payload_offs);
+ }
-#ifdef CONFIG_SPL_OS_BOOT
- if (spl_start_uboot() || spi_load_image_os(spl_image, flash, header))
+#if CONFIG_IS_ENABLED(OS_BOOT)
+ if (spl_start_uboot() || spi_load_image_os(spl_image, bootdev, flash, header))
#endif
{
/* Load u-boot, mkimage header is 64 bytes. */
- err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS, 0x40,
+ err = spi_flash_read(flash, payload_offs, sizeof(*header),
(void *)header);
- if (err)
+ if (err) {
+ debug("%s: Failed to read from SPI flash (err=%d)\n",
+ __func__, err);
return err;
+ }
- if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
- image_get_magic(header) == FDT_MAGIC) {
+ if (IS_ENABLED(CONFIG_SPL_LOAD_FIT_FULL) &&
+ image_get_magic(header) == FDT_MAGIC) {
+ err = spi_flash_read(flash, payload_offs,
+ roundup(fdt_totalsize(header), 4),
+ (void *)CONFIG_SYS_LOAD_ADDR);
+ if (err)
+ return err;
+ err = spl_parse_image_header(spl_image, bootdev,
+ (struct image_header *)CONFIG_SYS_LOAD_ADDR);
+ } else if (IS_ENABLED(CONFIG_SPL_LOAD_FIT) &&
+ image_get_magic(header) == FDT_MAGIC) {
struct spl_load_info load;
debug("Found FIT\n");
load.bl_len = 1;
load.read = spl_spi_fit_read;
err = spl_load_simple_fit(spl_image, &load,
- CONFIG_SYS_SPI_U_BOOT_OFFS,
+ payload_offs,
header);
+ } else if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
+ struct spl_load_info load;
+
+ load.dev = flash;
+ load.priv = NULL;
+ load.filename = NULL;
+ load.bl_len = 1;
+ load.read = spl_spi_fit_read;
+
+ err = spl_load_imx_container(spl_image, &load,
+ payload_offs);
} else {
- err = spl_parse_image_header(spl_image, header);
+ err = spl_parse_image_header(spl_image, bootdev, header);
if (err)
return err;
- err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
+ err = spi_flash_read(flash, payload_offs + spl_image->offset,
spl_image->size,
(void *)spl_image->load_addr);
}
+ if (IS_ENABLED(CONFIG_SPI_FLASH_SOFT_RESET)) {
+ err = spi_nor_remove(flash);
+ if (err)
+ return err;
+ }
}
return err;