X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=common%2Fspl%2Fspl_spi.c;h=288dbb5fa9812773c17412a549382cd38e974cc3;hb=a595a0e910960ccd4611719d5fb5c279859efaee;hp=b9294f201ee65fa3c4b5cedc185364835704f656;hpb=139db7af4eff4eabdcc104c5c5687ab9fe64ca9a;p=oweals%2Fu-boot.git

diff --git a/common/spl/spl_spi.c b/common/spl/spl_spi.c
index b9294f201e..288dbb5fa9 100644
--- a/common/spl/spl_spi.c
+++ b/common/spl/spl_spi.c
@@ -1,12 +1,11 @@
+// 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>
@@ -15,29 +14,32 @@
 #include <errno.h>
 #include <spl.h>
 
+DECLARE_GLOBAL_DATA_PTR;
+
 #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,
+static int spi_load_image_os(struct spl_image_info *spl_image,
+			     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, header);
 	if (err)
 		return err;
 
 	spi_flash_read(flash, CONFIG_SYS_SPI_KERNEL_OFFS,
-		       spl_image.size, (void *)spl_image.load_addr);
+		       spl_image->size, (void *)spl_image->load_addr);
 
 	/* Read device tree. */
 	spi_flash_read(flash, CONFIG_SYS_SPI_ARGS_OFFS,
@@ -60,19 +62,29 @@ static ulong spl_spi_fit_read(struct spl_load_info *load, ulong sector,
 	else
 		return 0;
 }
+
+unsigned int __weak spl_spi_get_uboot_offs(struct spi_flash *flash)
+{
+	return CONFIG_SYS_SPI_U_BOOT_OFFS;
+}
+
 /*
  * 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.
  */
-static int spl_spi_load_image(struct spl_boot_device *bootdev)
+static int spl_spi_load_image(struct spl_image_info *spl_image,
+			      struct spl_boot_device *bootdev)
 {
 	int err = 0;
+	unsigned int payload_offs;
 	struct spi_flash *flash;
 	struct image_header *header;
 
 	/*
 	 * 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,
@@ -84,20 +96,40 @@ static int spl_spi_load_image(struct spl_boot_device *bootdev)
 		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_CONTROL) && !CONFIG_IS_ENABLED(OF_PLATDATA)
+	payload_offs = fdtdec_get_config_int(gd->fdt_blob,
+					     "u-boot,spl-payload-offset",
+					     payload_offs);
+#endif
 
 #ifdef CONFIG_SPL_OS_BOOT
-	if (spl_start_uboot() || spi_load_image_os(flash, header))
+	if (spl_start_uboot() || spi_load_image_os(spl_image, 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)) {
+		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,
+					(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");
@@ -106,20 +138,31 @@ static int spl_spi_load_image(struct spl_boot_device *bootdev)
 			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,
+			err = spl_load_simple_fit(spl_image, &load,
+						  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, header);
 			if (err)
 				return err;
-			err = spi_flash_read(flash, CONFIG_SYS_SPI_U_BOOT_OFFS,
-					     spl_image.size,
-					     (void *)spl_image.load_addr);
+			err = spi_flash_read(flash, payload_offs,
+					     spl_image->size,
+					     (void *)spl_image->load_addr);
 		}
 	}
 
 	return err;
 }
 /* Use priorty 1 so that boards can override this */
-SPL_LOAD_IMAGE_METHOD(1, BOOT_DEVICE_SPI, spl_spi_load_image);
+SPL_LOAD_IMAGE_METHOD("SPI", 1, BOOT_DEVICE_SPI, spl_spi_load_image);