]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - common/cmd_bootm.c
Merge with /home/wd/git/u-boot/custodian/u-boot-mpc83xx
[people/ms/u-boot.git] / common / cmd_bootm.c
index 0225cb7f2734c5f03caebef3e8f6321c42cf58b6..7aae8a6d1b0a2f9919a1219c5a7f067f87dc7564 100644 (file)
@@ -260,6 +260,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
        if (hdr->ih_arch != IH_CPU_NIOS2)
 #elif defined(__blackfin__)
        if (hdr->ih_arch != IH_CPU_BLACKFIN)
+#elif defined(__avr32__)
+       if (hdr->ih_arch != IH_CPU_AVR32)
 #else
 # error Unknown CPU type
 #endif
@@ -508,7 +510,7 @@ fixup_silent_linux ()
 #endif /* CONFIG_SILENT_CONSOLE */
 
 #ifdef CONFIG_PPC
-static void
+static void  __attribute__((noinline))
 do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
                int     argc, char *argv[],
                ulong   addr,
@@ -528,7 +530,8 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
        void    (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
        image_header_t *hdr = &header;
 #ifdef CONFIG_OF_FLAT_TREE
-       char    *of_flat_tree;
+       char    *of_flat_tree = NULL;
+       ulong   of_data = 0;
 #endif
 
        if ((s = getenv ("initrd_high")) != NULL) {
@@ -623,7 +626,7 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
        /* Look for a '-' which indicates to ignore the ramdisk argument */
        if (argc >= 3 && strcmp(argv[2], "-") ==  0) {
                        debug ("Skipping initrd\n");
-                       data = 0;
+                       len = data = 0;
                }
        else
 #endif
@@ -737,14 +740,101 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
        }
 
 #ifdef CONFIG_OF_FLAT_TREE
-       if (argc >= 3)
-       {
+       if(argc > 3) {
                of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
-               printf ("Booting using flat device tree at 0x%x\n",
+               hdr = (image_header_t *)of_flat_tree;
+
+               if  (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#ifndef CFG_NO_FLASH
+                       if (addr2info((ulong)of_flat_tree) != NULL)
+                               of_data = (ulong)of_flat_tree;
+#endif
+               } else if (ntohl(hdr->ih_magic) == IH_MAGIC) {
+                       printf("## Flat Device Tree Image at %08lX\n", hdr);
+                       print_image_hdr(hdr);
+
+                       if ((ntohl(hdr->ih_load) <  ((unsigned long)hdr + ntohl(hdr->ih_size) + sizeof(hdr))) &&
+                          ((ntohl(hdr->ih_load) + ntohl(hdr->ih_size)) > (unsigned long)hdr)) {
+                               printf ("ERROR: Load address overwrites Flat Device Tree uImage\n");
+                               return;
+                       }
+
+                       printf("   Verifying Checksum ... ");
+                       memmove (&header, (char *)hdr, sizeof(image_header_t));
+                       checksum = ntohl(header.ih_hcrc);
+                       header.ih_hcrc = 0;
+
+                       if(checksum != crc32(0, (uchar *)&header, sizeof(image_header_t))) {
+                               printf("ERROR: Flat Device Tree header checksum is invalid\n");
+                               return;
+                       }
+
+                       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)) {
+                               printf("ERROR: Flat Device Tree checksum is invalid\n");
+                               return;
+                       }
+                       printf("OK\n");
+
+                       if (ntohl(hdr->ih_type) != IH_TYPE_FLATDT) {
+                               printf ("ERROR: uImage not Flat Device Tree type\n");
+                               return;
+                       }
+                       if (ntohl(hdr->ih_comp) != IH_COMP_NONE) {
+                               printf("ERROR: uImage is not uncompressed\n");
+                               return;
+                       }
+                       if (*((ulong *)(of_flat_tree + sizeof(image_header_t))) != OF_DT_HEADER) {
+                               printf ("ERROR: uImage data is not a flat device tree\n");
+                               return;
+                       }
+
+                       memmove((void *)ntohl(hdr->ih_load),
+                               (void *)(of_flat_tree + sizeof(image_header_t)),
+                               ntohl(hdr->ih_size));
+                       of_flat_tree = (char *)ntohl(hdr->ih_load);
+               } else {
+                       printf ("Did not find a flat flat device tree at address %08lX\n", of_flat_tree);
+                       return;
+               }
+               printf ("   Booting using flat device tree at 0x%x\n",
                                of_flat_tree);
+       } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1]) && (len_ptr[2])) {
+               u_long tail    = ntohl(len_ptr[0]) % 4;
+               int i;
+
+               /* skip kernel length, initrd length, and terminator */
+               of_data = (ulong)(&len_ptr[3]);
+               /* skip any additional image length fields */
+               for (i=2; len_ptr[i]; ++i)
+                       of_data += 4;
+               /* add kernel length, and align */
+               of_data += ntohl(len_ptr[0]);
+               if (tail) {
+                       of_data += 4 - tail;
+               }
+
+               /* add initrd length, and align */
+               tail = ntohl(len_ptr[1]) % 4;
+               of_data += ntohl(len_ptr[1]);
+               if (tail) {
+                       of_data += 4 - tail;
+               }
+
+               if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
+                       printf ("ERROR: image is not a flat device tree\n");
+                       return;
+               }
+
+               if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
+                       printf ("ERROR: flat device tree size does not agree with image\n");
+                       return;
+               }
        }
 #endif
-
        if (!data) {
                debug ("No initrd\n");
        }
@@ -819,43 +909,58 @@ do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
 
        SHOW_BOOT_PROGRESS (15);
 
-#ifndef CONFIG_OF_FLAT_TREE
-
-#if defined(CFG_INIT_RAM_LOCK) && (!defined(CONFIG_E500) || !defined(CONFIG_MPC86xx))
+#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
        unlock_ram_in_cache();
 #endif
 
+#ifdef CONFIG_OF_FLAT_TREE
+       /* move of_flat_tree if needed */
+       if (of_data) {
+               ulong of_start, of_len;
+               of_len = ((struct boot_param_header *)of_data)->totalsize;
+               /* provide extra 8k pad */
+               if (initrd_start)
+                       of_start = initrd_start - of_len - 8192;
+               else
+                       of_start  = (ulong)kbd - of_len - 8192;
+               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);
+               memmove ((void *)of_start, (void *)of_data, of_len);
+       }
+#endif
+
        /*
-        * Linux Kernel Parameters:
+        * Linux Kernel Parameters (passing board info data):
         *   r3: ptr to board info data
         *   r4: initrd_start or 0 if no initrd
         *   r5: initrd_end - unused if r4 is 0
         *   r6: Start of command line string
         *   r7: End   of command line string
         */
-       (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
-
-#else
-       ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
-       /* ft_dump_blob(of_flat_tree); */
-
-#if defined(CFG_INIT_RAM_LOCK) && (!defined(CONFIG_E500)||!defined(CONFIG_MPC86xx))
-       unlock_ram_in_cache();
+#ifdef CONFIG_OF_FLAT_TREE
+       if (!of_flat_tree)      /* no device tree; boot old style */
 #endif
+               (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
+               /* does not return */
+
+#ifdef CONFIG_OF_FLAT_TREE
        /*
-        * Linux Kernel Parameters:
+        * Linux Kernel Parameters (passing device tree):
         *   r3: ptr to OF flat tree, followed by the board info data
         *   r4: physical pointer to the kernel itself
         *   r5: NULL
         *   r6: NULL
         *   r7: NULL
         */
-       if (getenv("disable_of") != NULL)
-               (*kernel) ((bd_t *)of_flat_tree, initrd_start, initrd_end,
-                       cmd_start, cmd_end);
-       else
-               (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
+       ft_setup(of_flat_tree, kbd, initrd_start, initrd_end);
+       /* ft_dump_blob(of_flat_tree); */
 
+       (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
 #endif
 }
 #endif /* CONFIG_PPC */
@@ -1248,6 +1353,7 @@ print_type (image_header_t *hdr)
        case IH_CPU_INVALID:    arch = "Invalid CPU";           break;
        case IH_CPU_ALPHA:      arch = "Alpha";                 break;
        case IH_CPU_ARM:        arch = "ARM";                   break;
+       case IH_CPU_AVR32:      arch = "AVR32";                 break;
        case IH_CPU_I386:       arch = "Intel x86";             break;
        case IH_CPU_IA64:       arch = "IA64";                  break;
        case IH_CPU_MIPS:       arch = "MIPS";                  break;
@@ -1272,6 +1378,7 @@ print_type (image_header_t *hdr)
        case IH_TYPE_MULTI:     type = "Multi-File Image";      break;
        case IH_TYPE_FIRMWARE:  type = "Firmware";              break;
        case IH_TYPE_SCRIPT:    type = "Script";                break;
+       case IH_TYPE_FLATDT:    type = "Flat Device Tree";      break;
        default:                type = "Unknown Image";         break;
        }