#include <environment.h>
#include <asm/byteorder.h>
-#ifdef CONFIG_OF_FLAT_TREE
+#if defined(CONFIG_OF_LIBFDT)
+#include <fdt.h>
+#include <libfdt.h>
+#endif
+#if defined(CONFIG_OF_FLAT_TREE)
#include <ft_build.h>
#endif
+DECLARE_GLOBAL_DATA_PTR;
+
/*cmd_boot.c*/
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
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(__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"
+#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"
+ "\tuse a '-' for the second argument. If you do not pass a third\n"
+ "\ta bd_info struct will be passed instead\n"
+#endif
);
#ifdef CONFIG_SILENT_CONSOLE
static void
fixup_silent_linux ()
{
- DECLARE_GLOBAL_DATA_PTR;
char buf[256], *start, *end;
char *cmdline = getenv ("bootargs");
}
#endif /* CONFIG_SILENT_CONSOLE */
-#ifdef CONFIG_OF_FLAT_TREE
-extern const unsigned char oftree_dtb[];
-extern const unsigned int oftree_dtb_len;
-#endif
-
#ifdef CONFIG_PPC
-static void
+static void __attribute__((noinline))
do_bootm_linux (cmd_tbl_t *cmdtp, int flag,
int argc, char *argv[],
ulong addr,
ulong *len_ptr,
int verify)
{
- DECLARE_GLOBAL_DATA_PTR;
-
ulong sp;
ulong len, checksum;
ulong initrd_start, initrd_end;
bd_t *kbd;
void (*kernel)(bd_t *, ulong, ulong, ulong, ulong);
image_header_t *hdr = &header;
-#ifdef CONFIG_OF_FLAT_TREE
- char *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
*/
+
+#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;
+ }
+ else
+#endif
if (argc >= 3) {
+ debug ("Not skipping initrd\n");
SHOW_BOOT_PROGRESS (9);
addr = simple_strtoul(argv[2], NULL, 16);
len = data = 0;
}
+#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 defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_magic(of_flat_tree)) == FDT_MAGIC) {
+#else
+ if (*(ulong *)of_flat_tree == OF_DT_HEADER) {
+#endif
+#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 defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_magic(of_flat_tree + sizeof(image_header_t))) != FDT_MAGIC) {
+#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;
+ }
+
+ 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 defined(CONFIG_OF_LIBFDT)
+ if (be32_to_cpu(fdt_magic(of_data)) != FDT_MAGIC) {
+#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) {
debug ("No initrd\n");
}
initrd_end = 0;
}
-#ifdef CONFIG_OF_FLAT_TREE
- if (initrd_start == 0)
- of_flat_tree = (char *)(((ulong)kbd - OF_FLAT_TREE_MAX_SIZE -
- sizeof(bd_t)) & ~0xF);
- else
- of_flat_tree = (char *)((initrd_start - OF_FLAT_TREE_MAX_SIZE -
- sizeof(bd_t)) & ~0xF);
-#endif
-
debug ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong)kernel);
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));
+ /* 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);
+
+
+ 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);
+ if (err != 0) {
+ printf ("libfdt: %s\n", fdt_strerror(err));
+ }
+ }
+#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, OF_FLAT_TREE_MAX_SIZE, 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
- (*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
+ (*kernel) ((bd_t *)of_flat_tree, (ulong)kernel, 0, 0, 0);
#endif
}
#endif /* CONFIG_PPC */
ulong *len_ptr,
int verify)
{
- DECLARE_GLOBAL_DATA_PTR;
-
image_header_t *hdr = &header;
void (*loader)(bd_t *, image_header_t *, char *, char *);
ulong *len_ptr,
int verify)
{
- DECLARE_GLOBAL_DATA_PTR;
ulong top;
char *s, *cmdline;
char **fwenv, **ss;
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_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;
}
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;
}
do_bootm_rtems (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong *len_ptr, int verify)
{
- DECLARE_GLOBAL_DATA_PTR;
image_header_t *hdr = &header;
void (*entry_point)(bd_t *);
projects / karo-tx-uboot.git / blobdiff