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[oweals/u-boot.git] / common / spl / spl_nor.c

diff --git a/common/spl/spl_nor.c b/common/spl/spl_nor.c
index da2422f30515ac07d1af7161ac7ae906783de3f7..b1e79b9ded6258f44070e4e4d64bcddd8ba184a3 100644 (file)
--- a/common/spl/spl_nor.c
+++ b/common/spl/spl_nor.c
@@ -1,50 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2012 Stefan Roese <sr@denx.de>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
 #include <spl.h>
 
-int spl_nor_load_image(void)
+static ulong spl_nor_load_read(struct spl_load_info *load, ulong sector,
+                              ulong count, void *buf)
+{
+       debug("%s: sector %lx, count %lx, buf %p\n",
+             __func__, sector, count, buf);
+       memcpy(buf, (void *)sector, count);
+
+       return count;
+}
+
+unsigned long __weak spl_nor_get_uboot_base(void)
+{
+       return CONFIG_SYS_UBOOT_BASE;
+}
+
+static int spl_nor_load_image(struct spl_image_info *spl_image,
+                             struct spl_boot_device *bootdev)
 {
        int ret;
+       __maybe_unused const struct image_header *header;
+       __maybe_unused struct spl_load_info load;
+
        /*
         * Loading of the payload to SDRAM is done with skipping of
         * the mkimage header in this SPL NOR driver
         */
-       spl_image.flags |= SPL_COPY_PAYLOAD_ONLY;
+       spl_image->flags |= SPL_COPY_PAYLOAD_ONLY;
 
 #ifdef CONFIG_SPL_OS_BOOT
        if (!spl_start_uboot()) {
-               const struct image_header *header;
-
                /*
                 * Load Linux from its location in NOR flash to its defined
                 * location in SDRAM
                 */
                header = (const struct image_header *)CONFIG_SYS_OS_BASE;
+#ifdef CONFIG_SPL_LOAD_FIT
+               if (image_get_magic(header) == FDT_MAGIC) {
+                       debug("Found FIT\n");
+                       load.bl_len = 1;
+                       load.read = spl_nor_load_read;
 
+                       ret = spl_load_simple_fit(spl_image, &load,
+                                                 CONFIG_SYS_OS_BASE,
+                                                 (void *)header);
+
+#if defined CONFIG_SYS_SPL_ARGS_ADDR && defined CONFIG_CMD_SPL_NOR_OFS
+                       memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
+                              (void *)CONFIG_CMD_SPL_NOR_OFS,
+                              CONFIG_CMD_SPL_WRITE_SIZE);
+#endif
+                       return ret;
+               }
+#endif
                if (image_get_os(header) == IH_OS_LINUX) {
                        /* happy - was a Linux */
 
-                       ret = spl_parse_image_header(header);
+                       ret = spl_parse_image_header(spl_image, header);
                        if (ret)
                                return ret;
 
-                       memcpy((void *)spl_image.load_addr,
+                       memcpy((void *)spl_image->load_addr,
                               (void *)(CONFIG_SYS_OS_BASE +
                                        sizeof(struct image_header)),
-                              spl_image.size);
-
-                       /*
-                        * Copy DT blob (fdt) to SDRAM. Passing pointer to
-                        * flash doesn't work (16 KiB should be enough for DT)
-                        */
-                       memcpy((void *)CONFIG_SYS_SPL_ARGS_ADDR,
-                              (void *)(CONFIG_SYS_FDT_BASE),
-                              (16 << 10));
+                              spl_image->size);
+#ifdef CONFIG_SYS_FDT_BASE
+                       spl_image->arg = (void *)CONFIG_SYS_FDT_BASE;
+#endif
 
                        return 0;
                } else {
@@ -59,14 +87,35 @@ int spl_nor_load_image(void)
         * Load real U-Boot from its location in NOR flash to its
         * defined location in SDRAM
         */
-       ret = spl_parse_image_header(
-                       (const struct image_header *)CONFIG_SYS_UBOOT_BASE);
+#ifdef CONFIG_SPL_LOAD_FIT
+       header = (const struct image_header *)spl_nor_get_uboot_base();
+       if (image_get_magic(header) == FDT_MAGIC) {
+               debug("Found FIT format U-Boot\n");
+               load.bl_len = 1;
+               load.read = spl_nor_load_read;
+               ret = spl_load_simple_fit(spl_image, &load,
+                                         spl_nor_get_uboot_base(),
+                                         (void *)header);
+
+               return ret;
+       }
+#endif
+       if (IS_ENABLED(CONFIG_SPL_LOAD_IMX_CONTAINER)) {
+               load.bl_len = 1;
+               load.read = spl_nor_load_read;
+               return spl_load_imx_container(spl_image, &load,
+                                             spl_nor_get_uboot_base());
+       }
+
+       ret = spl_parse_image_header(spl_image,
+                       (const struct image_header *)spl_nor_get_uboot_base());
        if (ret)
                return ret;
 
-       memcpy((void *)(unsigned long)spl_image.load_addr,
-              (void *)(CONFIG_SYS_UBOOT_BASE + sizeof(struct image_header)),
-              spl_image.size);
+       memcpy((void *)(unsigned long)spl_image->load_addr,
+              (void *)(spl_nor_get_uboot_base() + sizeof(struct image_header)),
+              spl_image->size);
 
        return 0;
 }
+SPL_LOAD_IMAGE_METHOD("NOR", 0, BOOT_DEVICE_NOR, spl_nor_load_image);