configs: MPC8548CDS: enable DM_I2C
[oweals/u-boot.git] / common / splash_source.c
index 230b2db4d5b654f01568b3b01ac18f8317328153..2ff15208a70d77acc68e8cba33f1498a75e2f1be 100644 (file)
@@ -1,21 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
  *
  * Authors: Igor Grinberg <grinberg@compulab.co.il>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
-#include <nand.h>
+#include <bmp_layout.h>
+#include <command.h>
+#include <env.h>
 #include <errno.h>
-#include <splash.h>
-#include <spi_flash.h>
+#include <fs.h>
+#include <fdt_support.h>
+#include <image.h>
+#include <nand.h>
+#include <sata.h>
 #include <spi.h>
+#include <spi_flash.h>
+#include <splash.h>
 #include <usb.h>
-#include <sata.h>
-#include <bmp_layout.h>
-#include <fs.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -45,9 +48,10 @@ static int splash_sf_read_raw(u32 bmp_load_addr, int offset, size_t read_size)
 #ifdef CONFIG_CMD_NAND
 static int splash_nand_read_raw(u32 bmp_load_addr, int offset, size_t read_size)
 {
-       return nand_read_skip_bad(nand_info[nand_curr_device], offset,
+       struct mtd_info *mtd = get_nand_dev_by_index(nand_curr_device);
+       return nand_read_skip_bad(mtd, offset,
                                  &read_size, NULL,
-                                 nand_info[nand_curr_device]->size,
+                                 mtd->size,
                                  (u_char *)bmp_load_addr);
 }
 #else
@@ -160,10 +164,10 @@ static inline int splash_init_usb(void)
 }
 #endif
 
-#ifdef CONFIG_CMD_SATA
+#ifdef CONFIG_SATA
 static int splash_init_sata(void)
 {
-       return sata_initialize();
+       return sata_probe(0);
 }
 #else
 static inline int splash_init_sata(void)
@@ -214,9 +218,10 @@ static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr)
 {
        int res = 0;
        loff_t bmp_size;
+       loff_t actread;
        char *splash_file;
 
-       splash_file = getenv("splashfile");
+       splash_file = env_get("splashfile");
        if (!splash_file)
                splash_file = SPLASH_SOURCE_DEFAULT_FILE_NAME;
 
@@ -249,7 +254,7 @@ static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr)
        }
 
        splash_select_fs_dev(location);
-       res = fs_read(splash_file, bmp_load_addr, 0, 0, NULL);
+       res = fs_read(splash_file, bmp_load_addr, 0, 0, &actread);
 
 out:
        if (location->ubivol != NULL)
@@ -282,7 +287,7 @@ static struct splash_location *select_splash_location(
        if (!locations || size == 0)
                return NULL;
 
-       env_splashsource = getenv("splashsource");
+       env_splashsource = env_get("splashsource");
        if (env_splashsource == NULL)
                return &locations[0];
 
@@ -295,6 +300,96 @@ static struct splash_location *select_splash_location(
        return NULL;
 }
 
+#ifdef CONFIG_FIT
+static int splash_load_fit(struct splash_location *location, u32 bmp_load_addr)
+{
+       int res;
+       int node_offset;
+       const char *splash_file;
+       const void *internal_splash_data;
+       size_t internal_splash_size;
+       int external_splash_addr;
+       int external_splash_size;
+       bool is_splash_external = false;
+       struct image_header *img_header;
+       const u32 *fit_header;
+       u32 fit_size;
+       const size_t header_size = sizeof(struct image_header);
+
+       /* Read in image header */
+       res = splash_storage_read_raw(location, bmp_load_addr, header_size);
+       if (res < 0)
+               return res;
+
+       img_header = (struct image_header *)bmp_load_addr;
+       if (image_get_magic(img_header) != FDT_MAGIC) {
+               printf("Could not find FDT magic\n");
+               return -EINVAL;
+       }
+
+       fit_size = fdt_totalsize(img_header);
+
+       /* Read in entire FIT */
+       fit_header = (const u32 *)(bmp_load_addr + header_size);
+       res = splash_storage_read_raw(location, (u32)fit_header, fit_size);
+       if (res < 0)
+               return res;
+
+       res = fit_check_format(fit_header);
+       if (!res) {
+               debug("Could not find valid FIT image\n");
+               return -EINVAL;
+       }
+
+       /* Get the splash image node */
+       splash_file = env_get("splashfile");
+       if (!splash_file)
+               splash_file = SPLASH_SOURCE_DEFAULT_FILE_NAME;
+
+       node_offset = fit_image_get_node(fit_header, splash_file);
+       if (node_offset < 0) {
+               debug("Could not find splash image '%s' in FIT\n",
+                     splash_file);
+               return -ENOENT;
+       }
+
+       /* Extract the splash data from FIT */
+       /* 1. Test if splash is in FIT internal data. */
+       if (!fit_image_get_data(fit_header, node_offset, &internal_splash_data, &internal_splash_size))
+               memmove((void *)bmp_load_addr, internal_splash_data, internal_splash_size);
+       /* 2. Test if splash is in FIT external data with fixed position. */
+       else if (!fit_image_get_data_position(fit_header, node_offset, &external_splash_addr))
+               is_splash_external = true;
+       /* 3. Test if splash is in FIT external data with offset. */
+       else if (!fit_image_get_data_offset(fit_header, node_offset, &external_splash_addr)) {
+               /* Align data offset to 4-byte boundary */
+               fit_size = ALIGN(fdt_totalsize(fit_header), 4);
+               /* External splash offset means the offset by end of FIT header */
+               external_splash_addr += location->offset + fit_size;
+               is_splash_external = true;
+       } else {
+               printf("Failed to get splash image from FIT\n");
+               return -ENODATA;
+       }
+
+       if (is_splash_external) {
+               res = fit_image_get_data_size(fit_header, node_offset, &external_splash_size);
+               if (res < 0) {
+                       printf("Failed to get size of splash image (err=%d)\n", res);
+                       return res;
+               }
+
+               /* Read in the splash data */
+               location->offset = external_splash_addr;
+               res = splash_storage_read_raw(location, bmp_load_addr, external_splash_size);
+               if (res < 0)
+                       return res;
+       }
+
+       return 0;
+}
+#endif /* CONFIG_FIT */
+
 /**
  * splash_source_load - load splash image from a supported location.
  *
@@ -313,7 +408,7 @@ int splash_source_load(struct splash_location *locations, uint size)
        char *env_splashimage_value;
        u32 bmp_load_addr;
 
-       env_splashimage_value = getenv("splashimage");
+       env_splashimage_value = env_get("splashimage");
        if (env_splashimage_value == NULL)
                return -ENOENT;
 
@@ -327,10 +422,13 @@ int splash_source_load(struct splash_location *locations, uint size)
        if (!splash_location)
                return -EINVAL;
 
-       if (splash_location->flags & SPLASH_STORAGE_RAW)
+       if (splash_location->flags == SPLASH_STORAGE_RAW)
                return splash_load_raw(splash_location, bmp_load_addr);
-       else if (splash_location->flags & SPLASH_STORAGE_FS)
+       else if (splash_location->flags == SPLASH_STORAGE_FS)
                return splash_load_fs(splash_location, bmp_load_addr);
-
+#ifdef CONFIG_FIT
+       else if (splash_location->flags == SPLASH_STORAGE_FIT)
+               return splash_load_fit(splash_location, bmp_load_addr);
+#endif
        return -EINVAL;
 }