#include <environment.h>
#include <asm/byteorder.h>
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_LIBFDT)
+#include <fdt.h>
+#include <libfdt.h>
+#include <fdt_support.h>
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#endif
len_ptr = (ulong *)data;
-#if defined(__PPC__)
- if (hdr->ih_arch != IH_CPU_PPC)
-#elif defined(__ARM__)
+#if defined(__ARM__)
if (hdr->ih_arch != IH_CPU_ARM)
+#elif defined(__avr32__)
+ if (hdr->ih_arch != IH_CPU_AVR32)
+#elif defined(__bfin__)
+ if (hdr->ih_arch != IH_CPU_BLACKFIN)
#elif defined(__I386__)
if (hdr->ih_arch != IH_CPU_I386)
-#elif defined(__mips__)
- if (hdr->ih_arch != IH_CPU_MIPS)
-#elif defined(__nios__)
- if (hdr->ih_arch != IH_CPU_NIOS)
#elif defined(__M68K__)
if (hdr->ih_arch != IH_CPU_M68K)
#elif defined(__microblaze__)
if (hdr->ih_arch != IH_CPU_MICROBLAZE)
+#elif defined(__mips__)
+ if (hdr->ih_arch != IH_CPU_MIPS)
+#elif defined(__nios__)
+ if (hdr->ih_arch != IH_CPU_NIOS)
#elif defined(__nios2__)
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)
+#elif defined(__PPC__)
+ if (hdr->ih_arch != IH_CPU_PPC)
#else
# error Unknown CPU type
#endif
"[addr [arg ...]]\n - boot application image stored in memory\n"
"\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
"\t'arg' can be the address of an initrd image\n"
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
"\tWhen booting a Linux kernel which requires a flat device-tree\n"
"\ta third argument is required which is the address of the of the\n"
"\tdevice-tree blob. To boot that kernel without an initrd image,\n"
bd_t *kbd;
void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
image_header_t *hdr = &header;
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
char *of_flat_tree = NULL;
+ ulong of_data = 0;
#endif
if ((s = getenv ("initrd_high")) != NULL) {
* Check if there is an initrd image
*/
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
/* Look for a '-' which indicates to ignore the ramdisk argument */
if (argc >= 3 && strcmp(argv[2], "-") == 0) {
debug ("Skipping initrd\n");
len = data = 0;
}
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
if(argc > 3) {
of_flat_tree = (char *) simple_strtoul(argv[3], NULL, 16);
hdr = (image_header_t *)of_flat_tree;
-
- if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#if defined(CONFIG_OF_LIBFDT)
+ if (fdt_check_header(of_flat_tree) == 0) {
+#else
+ if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#endif
#ifndef CFG_NO_FLASH
- if (addr2info((ulong)of_flat_tree) != NULL) {
- printf ("Cannot modify flat device tree stored in flash\n" \
- "Copy to memory before using the bootm command\n");
- return;
- }
+ 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);
printf("ERROR: uImage is not uncompressed\n");
return;
}
+#if defined(CONFIG_OF_LIBFDT)
+ 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
printf ("ERROR: uImage data is not a flat device tree\n");
return;
}
}
printf (" Booting using flat device tree at 0x%x\n",
of_flat_tree);
- } else if(getenv("disable_of") == NULL) {
- printf ("ERROR: bootm needs flat device tree as third argument\n");
- return;
+ } 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 defined(CONFIG_OF_LIBFDT)
+ if (fdt_check_header((void *)of_data) != 0) {
+#else
+ if (((struct boot_param_header *)of_data)->magic != OF_DT_HEADER) {
+#endif
+ printf ("ERROR: image is not a flat device tree\n");
+ return;
+ }
+
+#if defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_totalsize(of_data)) != ntohl(len_ptr[2])) {
+#else
+ if (((struct boot_param_header *)of_data)->totalsize != ntohl(len_ptr[2])) {
+#endif
+ printf ("ERROR: flat device tree size does not agree with image\n");
+ return;
+ }
}
#endif
if (!data) {
SHOW_BOOT_PROGRESS (15);
-#ifndef CONFIG_OF_FLAT_TREE
-
#if defined(CFG_INIT_RAM_LOCK) && !defined(CONFIG_E500)
unlock_ram_in_cache();
#endif
+#if defined(CONFIG_OF_LIBFDT)
+ /* move of_flat_tree if needed */
+ if (of_data) {
+ int err;
+ ulong of_start, of_len;
+
+ of_len = be32_to_cpu(fdt_totalsize(of_data));
+ /* position on a 4K boundary before the initrd/kbd */
+ if (initrd_start)
+ of_start = initrd_start - of_len;
+ else
+ 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((void *)of_start, (void *)of_data, of_len);
+ if (err != 0) {
+ 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)
+ /* 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)
- unlock_ram_in_cache();
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
+ if (!of_flat_tree) /* no device tree; boot old style */
#endif
+ (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end);
+ /* does not return */
+
+#if defined(CONFIG_OF_FLAT_TREE) || defined(CONFIG_OF_LIBFDT)
/*
- * 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 {
- 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);
+#if defined(CONFIG_OF_FLAT_TREE)
+ 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
}
#endif /* CONFIG_PPC */
case IH_CPU_ALPHA: arch = "Alpha"; break;
case IH_CPU_ARM: arch = "ARM"; break;
case IH_CPU_AVR32: arch = "AVR32"; break;
+ case IH_CPU_BLACKFIN: arch = "Blackfin"; break;
case IH_CPU_I386: arch = "Intel x86"; break;
case IH_CPU_IA64: arch = "IA64"; break;
- case IH_CPU_MIPS: arch = "MIPS"; break;
+ case IH_CPU_M68K: arch = "M68K"; break;
+ case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
case IH_CPU_MIPS64: arch = "MIPS 64 Bit"; break;
+ case IH_CPU_MIPS: arch = "MIPS"; break;
+ case IH_CPU_NIOS2: arch = "Nios-II"; break;
+ case IH_CPU_NIOS: arch = "Nios"; break;
case IH_CPU_PPC: arch = "PowerPC"; break;
case IH_CPU_S390: arch = "IBM S390"; break;
case IH_CPU_SH: arch = "SuperH"; break;
- case IH_CPU_SPARC: arch = "SPARC"; break;
case IH_CPU_SPARC64: arch = "SPARC 64 Bit"; break;
- case IH_CPU_M68K: arch = "M68K"; break;
- case IH_CPU_MICROBLAZE: arch = "Microblaze"; break;
- case IH_CPU_NIOS: arch = "Nios"; break;
- case IH_CPU_NIOS2: arch = "Nios-II"; break;
+ case IH_CPU_SPARC: arch = "SPARC"; break;
default: arch = "Unknown Architecture"; break;
}
projects / karo-tx-uboot.git / blobdiff