sh: First support code of SuperH.

[oweals/u-boot.git] / common / cmd_bootm.c

diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index ab8648fffcf9351dfa9264c117499f74ece3e722..8af0589d9a12bc0b92e699bdf9fbb66c59ed9fb6 100644 (file)
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -37,8 +37,9 @@
 #if defined(CONFIG_OF_LIBFDT)
 #include <fdt.h>
 #include <libfdt.h>
+#include <fdt_support.h>
 #endif
-#if defined(CONFIG_OF_FLAT_TREE) 
+#if defined(CONFIG_OF_FLAT_TREE)
 #include <ft_build.h>
 #endif
 
@@ -266,6 +267,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
        if (hdr->ih_arch != IH_CPU_NIOS2)
 #elif defined(__PPC__)
        if (hdr->ih_arch != IH_CPU_PPC)
+#elif defined(__sh__)
+       if (hdr->ih_arch != IH_CPU_SH)
 #else
 # error Unknown CPU type
 #endif
@@ -748,7 +751,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
                of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
                hdr = (image_header_t *)of_flat_tree;
 #if defined(CONFIG_OF_LIBFDT)
-               if (be32_to_cpu(fdt_magic(of_flat_tree)) == FDT_MAGIC) {
+               if (fdt_check_header(of_flat_tree) == 0) {
 #else
                if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
 #endif
@@ -778,9 +781,8 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 
                        checksum = ntohl(hdr->ih_dcrc);
                        addr = (ulong)((uchar *)(hdr) + sizeof(image_header_t));
-                       len = ntohl(hdr->ih_size);
 
-                       if(checksum != crc32(0, (uchar *)addr, len)) {
+                       if(checksum != crc32(0, (uchar *)addr, ntohl(hdr->ih_size))) {
                                printf("ERROR: Flat Device Tree checksum is invalid\n");
                                return;
                        }
@@ -795,7 +797,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
                                return;
                        }
 #if defined(CONFIG_OF_LIBFDT)
-                       if (be32_to_cpu(fdt_magic(of_flat_tree + sizeof(image_header_t))) != FDT_MAGIC) {
+                       if (fdt_check_header(of_flat_tree + sizeof(image_header_t)) == 0) {
 #else
                        if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
 #endif
@@ -836,7 +838,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
                }
 
 #if defined(CONFIG_OF_LIBFDT)
-               if (be32_to_cpu(fdt_magic(of_data)) != FDT_MAGIC) {
+               if (fdt_check_header((void *)of_data) != 0) {
 #else
                if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
 #endif
@@ -937,23 +939,44 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
        if (of_data) {
                int err;
                ulong of_start, of_len;
+
                of_len = be32_to_cpu(fdt_totalsize(of_data));
-               /* provide extra 8k pad */
+               /* position on a 4K boundary before the initrd/kbd */
                if (initrd_start)
-                       of_start = initrd_start - of_len - 8192;
+                       of_start = initrd_start - of_len;
                else
-                       of_start  = (ulong)kbd - of_len - 8192;
+                       of_start  = (ulong)kbd - of_len;
                of_start &= ~(4096 - 1);        /* align on page */
                debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n",
                        of_data, of_data + of_len - 1, of_len, of_len);
 
-
+               of_flat_tree = (char *)of_start;
                printf ("   Loading Device Tree to %08lx, end %08lx ... ",
                        of_start, of_start + of_len - 1);
-               err = fdt_open_into(of_start, of_data, of_len);
+               err = fdt_open_into((void *)of_start, (void *)of_data, of_len);
                if (err != 0) {
-                       printf ("libfdt: %s\n", fdt_strerror(err));
+                       printf ("libfdt: %s " __FILE__ " %d\n", fdt_strerror(err), __LINE__);
+               }
+               /*
+                * Add the chosen node if it doesn't exist, add the env and bd_t
+                * if the user wants it (the logic is in the subroutines).
+                */
+               if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
+                               printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree);
+                               return;
+               }
+#ifdef CONFIG_OF_HAS_UBOOT_ENV
+               if (fdt_env(of_flat_tree) < 0) {
+                               printf("Failed creating the /u-boot-env node, aborting.\n");
+                               return;
                }
+#endif
+#ifdef CONFIG_OF_HAS_BD_T
+               if (fdt_bd_t(of_flat_tree) < 0) {
+                               printf("Failed creating the /bd_t node, aborting.\n");
+                               return;
+               }
+#endif
        }
 #endif
 #if defined(CONFIG_OF_FLAT_TREE)
@@ -1004,6 +1027,24 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
        ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
        /* ft_dump_blob(of_flat_tree); */
 #endif
+#if defined(CONFIG_OF_LIBFDT)
+       if (fdt_chosen(of_flat_tree, initrd_start, initrd_end, 0) < 0) {
+               printf("Failed creating the /chosen node (0x%08X), aborting.\n", of_flat_tree);
+               return;
+       }
+#ifdef CONFIG_OF_HAS_UBOOT_ENV
+       if (fdt_env(of_flat_tree) < 0) {
+               printf("Failed creating the /u-boot-env node, aborting.\n");
+               return;
+       }
+#endif
+#ifdef CONFIG_OF_HAS_BD_T
+       if (fdt_bd_t(of_flat_tree) < 0) {
+               printf("Failed creating the /bd_t node, aborting.\n");
+               return;
+       }
+#endif
+#endif /* if defined(CONFIG_OF_LIBFDT) */
 
        (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
 #endif