* MA 02111-1307 USA
*/
-#define DEBUG
/*
* Boot support
#include <lmb.h>
#include <asm/byteorder.h>
+#if defined(CONFIG_CMD_USB)
+#include <usb.h>
+#endif
+
#ifdef CFG_HUSH_PARSER
#include <hush.h>
#endif
static void fixup_silent_linux (void);
#endif
+static image_header_t *image_get_kernel (ulong img_addr, int verify);
+#if defined(CONFIG_FIT)
+static int fit_check_kernel (const void *fit, int os_noffset, int verify);
+#endif
+
static void *boot_get_kernel (cmd_tbl_t *cmdtp, int flag,int argc, char *argv[],
bootm_headers_t *images, ulong *os_data, ulong *os_len);
extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
int do_bootelf (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
#endif
#if defined(CONFIG_ARTOS) && defined(CONFIG_PPC)
-extern uchar (*env_get_char)(int); /* Returns a character from the environment */
static boot_os_fn do_bootm_artos;
#endif
ulong os_data, os_len;
ulong image_start, image_end;
ulong load_start, load_end;
- ulong mem_start, mem_size;
+ ulong mem_start;
+ phys_size_t mem_size;
struct lmb lmb;
memset ((void *)&images, 0, sizeof (images));
- images.verify = getenv_verify();
- images.autostart = getenv_autostart();
+ images.verify = getenv_yesno ("verify");
images.lmb = &lmb;
lmb_init(&lmb);
mem_start = getenv_bootm_low();
mem_size = getenv_bootm_size();
- lmb_add(&lmb, mem_start, mem_size);
+ lmb_add(&lmb, (phys_addr_t)mem_start, mem_size);
board_lmb_reserve(&lmb);
/* get kernel image header, start address and length */
os_hdr = boot_get_kernel (cmdtp, flag, argc, argv,
&images, &os_data, &os_len);
- if (os_len == 0)
+ if (os_len == 0) {
+ puts ("ERROR: can't get kernel image!\n");
return 1;
-
- show_boot_progress (6);
+ }
/* get image parameters */
switch (genimg_get_format (os_hdr)) {
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
- fit_unsupported ("bootm");
- return 1;
+ if (fit_image_get_type (images.fit_hdr_os,
+ images.fit_noffset_os, &type)) {
+ puts ("Can't get image type!\n");
+ show_boot_progress (-109);
+ return 1;
+ }
+
+ if (fit_image_get_comp (images.fit_hdr_os,
+ images.fit_noffset_os, &comp)) {
+ puts ("Can't get image compression!\n");
+ show_boot_progress (-110);
+ return 1;
+ }
+
+ if (fit_image_get_os (images.fit_hdr_os,
+ images.fit_noffset_os, &os)) {
+ puts ("Can't get image OS!\n");
+ show_boot_progress (-111);
+ return 1;
+ }
+
+ image_end = fit_get_end (images.fit_hdr_os);
+
+ if (fit_image_get_load (images.fit_hdr_os, images.fit_noffset_os,
+ &load_start)) {
+ puts ("Can't get image load address!\n");
+ show_boot_progress (-112);
+ return 1;
+ }
+ break;
#endif
default:
puts ("ERROR: unknown image format type!\n");
*/
iflag = disable_interrupts();
+#if defined(CONFIG_CMD_USB)
+ /*
+ * turn off USB to prevent the host controller from writing to the
+ * SDRAM while Linux is booting. This could happen (at least for OHCI
+ * controller), because the HCCA (Host Controller Communication Area)
+ * lies within the SDRAM and the host controller writes continously to
+ * this area (as busmaster!). The HccaFrameNumber is for example
+ * updated every 1 ms within the HCCA structure in SDRAM! For more
+ * details see the OpenHCI specification.
+ */
+ usb_stop();
+#endif
+
+
#ifdef CONFIG_AMIGAONEG3SE
/*
* We've possible left the caches enabled during
* bios emulation, so turn them off again
*/
icache_disable();
- invalidate_l1_instruction_cache();
- flush_data_cache();
dcache_disable();
#endif
memmove_wd ((void *)load_start,
(void *)os_data, os_len, CHUNKSZ);
-
- load_end = load_start + os_len;
- puts("OK\n");
}
+ load_end = load_start + os_len;
+ puts("OK\n");
break;
case IH_COMP_GZIP:
printf (" Uncompressing %s ... ", type_name);
if (gunzip ((void *)load_start, unc_len,
(uchar *)os_data, &os_len) != 0) {
- puts ("GUNZIP ERROR - must RESET board to recover\n");
+ puts ("GUNZIP: uncompress or overwrite error "
+ "- must RESET board to recover\n");
show_boot_progress (-6);
do_reset (cmdtp, flag, argc, argv);
}
&unc_len, (char *)os_data, os_len,
CFG_MALLOC_LEN < (4096 * 1024), 0);
if (i != BZ_OK) {
- printf ("BUNZIP2 ERROR %d - must RESET board to recover\n", i);
+ printf ("BUNZIP2: uncompress or overwrite error %d "
+ "- must RESET board to recover\n", i);
show_boot_progress (-6);
do_reset (cmdtp, flag, argc, argv);
}
debug ("image_start = 0x%lX, image_end = 0x%lx\n", image_start, image_end);
debug ("load_start = 0x%lx, load_end = 0x%lx\n", load_start, load_end);
- puts ("ERROR: image overwritten - must RESET the board to recover.\n");
- do_reset (cmdtp, flag, argc, argv);
+ if (images.legacy_hdr_valid) {
+ if (image_get_type (&images.legacy_hdr_os_copy) == IH_TYPE_MULTI)
+ puts ("WARNING: legacy format multi component "
+ "image overwritten\n");
+ } else {
+ puts ("ERROR: new format image overwritten - "
+ "must RESET the board to recover\n");
+ show_boot_progress (-113);
+ do_reset (cmdtp, flag, argc, argv);
+ }
}
show_boot_progress (8);
puts ("\n## Control returned to monitor - resetting...\n");
do_reset (cmdtp, flag, argc, argv);
#endif
+ if (iflag)
+ enable_interrupts();
+
return 1;
}
}
/**
+ * fit_check_kernel - verify FIT format kernel subimage
+ * @fit_hdr: pointer to the FIT image header
+ * os_noffset: kernel subimage node offset within FIT image
+ * @verify: data CRC verification flag
+ *
+ * fit_check_kernel() verifies integrity of the kernel subimage and from
+ * specified FIT image.
+ *
+ * returns:
+ * 1, on success
+ * 0, on failure
+ */
+#if defined (CONFIG_FIT)
+static int fit_check_kernel (const void *fit, int os_noffset, int verify)
+{
+ fit_image_print (fit, os_noffset, " ");
+
+ if (verify) {
+ puts (" Verifying Hash Integrity ... ");
+ if (!fit_image_check_hashes (fit, os_noffset)) {
+ puts ("Bad Data Hash\n");
+ show_boot_progress (-104);
+ return 0;
+ }
+ puts ("OK\n");
+ }
+ show_boot_progress (105);
+
+ if (!fit_image_check_target_arch (fit, os_noffset)) {
+ puts ("Unsupported Architecture\n");
+ show_boot_progress (-105);
+ return 0;
+ }
+
+ show_boot_progress (106);
+ if (!fit_image_check_type (fit, os_noffset, IH_TYPE_KERNEL)) {
+ puts ("Not a kernel image\n");
+ show_boot_progress (-106);
+ return 0;
+ }
+
+ show_boot_progress (107);
+ return 1;
+}
+#endif /* CONFIG_FIT */
+
+/**
* boot_get_kernel - find kernel image
* @os_data: pointer to a ulong variable, will hold os data start address
* @os_len: pointer to a ulong variable, will hold os data length
void *fit_hdr;
const char *fit_uname_config = NULL;
const char *fit_uname_kernel = NULL;
+ const void *data;
+ size_t len;
+ int cfg_noffset;
+ int os_noffset;
#endif
/* find out kernel image address */
}
show_boot_progress (1);
- printf ("## Booting kernel image at %08lx ...\n", img_addr);
/* copy from dataflash if needed */
img_addr = genimg_get_image (img_addr);
/* check image type, for FIT images get FIT kernel node */
+ *os_data = *os_len = 0;
switch (genimg_get_format ((void *)img_addr)) {
case IMAGE_FORMAT_LEGACY:
-
- debug ("* kernel: legacy format image\n");
+ printf ("## Booting kernel from Legacy Image at %08lx ...\n",
+ img_addr);
hdr = image_get_kernel (img_addr, images->verify);
if (!hdr)
return NULL;
show_boot_progress (5);
+ /* get os_data and os_len */
switch (image_get_type (hdr)) {
case IH_TYPE_KERNEL:
*os_data = image_get_data (hdr);
show_boot_progress (-5);
return NULL;
}
+
+ /*
+ * copy image header to allow for image overwrites during kernel
+ * decompression.
+ */
+ memmove (&images->legacy_hdr_os_copy, hdr, sizeof(image_header_t));
+
+ /* save pointer to image header */
images->legacy_hdr_os = hdr;
- images->legacy_hdr_valid = 1;
+ images->legacy_hdr_valid = 1;
+ show_boot_progress (6);
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
fit_hdr = (void *)img_addr;
- debug ("* kernel: FIT format image\n");
- fit_unsupported ("kernel");
- return NULL;
+ printf ("## Booting kernel from FIT Image at %08lx ...\n",
+ img_addr);
+
+ if (!fit_check_format (fit_hdr)) {
+ puts ("Bad FIT kernel image format!\n");
+ show_boot_progress (-100);
+ return NULL;
+ }
+ show_boot_progress (100);
+
+ if (!fit_uname_kernel) {
+ /*
+ * no kernel image node unit name, try to get config
+ * node first. If config unit node name is NULL
+ * fit_conf_get_node() will try to find default config node
+ */
+ show_boot_progress (101);
+ cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config);
+ if (cfg_noffset < 0) {
+ show_boot_progress (-101);
+ return NULL;
+ }
+ /* save configuration uname provided in the first
+ * bootm argument
+ */
+ images->fit_uname_cfg = fdt_get_name (fit_hdr, cfg_noffset, NULL);
+ printf (" Using '%s' configuration\n", images->fit_uname_cfg);
+ show_boot_progress (103);
+
+ os_noffset = fit_conf_get_kernel_node (fit_hdr, cfg_noffset);
+ fit_uname_kernel = fit_get_name (fit_hdr, os_noffset, NULL);
+ } else {
+ /* get kernel component image node offset */
+ show_boot_progress (102);
+ os_noffset = fit_image_get_node (fit_hdr, fit_uname_kernel);
+ }
+ if (os_noffset < 0) {
+ show_boot_progress (-103);
+ return NULL;
+ }
+
+ printf (" Trying '%s' kernel subimage\n", fit_uname_kernel);
+
+ show_boot_progress (104);
+ if (!fit_check_kernel (fit_hdr, os_noffset, images->verify))
+ return NULL;
+
+ /* get kernel image data address and length */
+ if (fit_image_get_data (fit_hdr, os_noffset, &data, &len)) {
+ puts ("Could not find kernel subimage data!\n");
+ show_boot_progress (-107);
+ return NULL;
+ }
+ show_boot_progress (108);
+
+ *os_len = len;
+ *os_data = (ulong)data;
+ images->fit_hdr_os = fit_hdr;
+ images->fit_uname_os = fit_uname_kernel;
+ images->fit_noffset_os = os_noffset;
+ break;
#endif
default:
printf ("Wrong Image Format for %s command\n", cmdtp->name);
+ show_boot_progress (-108);
return NULL;
}
- debug (" kernel data at 0x%08lx, end = 0x%08lx\n",
- *os_data, *os_data + *os_len);
+ debug (" kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
+ *os_data, *os_len, *os_len);
return (void *)img_addr;
}
"\tuse a '-' for the second argument. If you do not pass a third\n"
"\ta bd_info struct will be passed instead\n"
#endif
+#if defined(CONFIG_FIT)
+ "\t\nFor the new multi component uImage format (FIT) addresses\n"
+ "\tmust be extened to include component or configuration unit name:\n"
+ "\taddr:<subimg_uname> - direct component image specification\n"
+ "\taddr#<conf_uname> - configuration specification\n"
+ "\tUse iminfo command to get the list of existing component\n"
+ "\timages and configurations.\n"
+#endif
);
/*******************************************************************/
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
puts (" FIT image found\n");
- fit_unsupported ("iminfo");
+
+ if (!fit_check_format (hdr)) {
+ puts ("Bad FIT image format!\n");
+ return 1;
+ }
+
+ fit_print_contents (hdr);
return 0;
#endif
default:
switch (genimg_get_format (hdr)) {
case IMAGE_FORMAT_LEGACY:
- if (!image_check_magic (hdr))
- goto next_sector;
-
if (!image_check_hcrc (hdr))
goto next_sector;
break;
#if defined(CONFIG_FIT)
case IMAGE_FORMAT_FIT:
+ if (!fit_check_format (hdr))
+ goto next_sector;
+
printf ("FIT Image at %08lX:\n", (ulong)hdr);
- fit_unsupported ("imls");
+ fit_print_contents (hdr);
break;
#endif
default:
* address of the original image header.
*/
os_hdr = NULL;
- if (image_check_type (hdr, IH_TYPE_MULTI)) {
+ if (image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
image_multi_getimg (hdr, 1, &kernel_data, &kernel_len);
if (kernel_len)
os_hdr = hdr;
int argc, char *argv[],
bootm_headers_t *images)
{
- image_header_t *hdr = images->legacy_hdr_os;
+ image_header_t *hdr = &images->legacy_hdr_os_copy;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
int argc, char *argv[],
bootm_headers_t *images)
{
- image_header_t *hdr = images->legacy_hdr_os;
+ image_header_t *hdr = &images->legacy_hdr_os_copy;
void (*entry_point)(bd_t *);
#if defined(CONFIG_FIT)
bootm_headers_t *images)
{
char str[80];
- image_header_t *hdr = images->legacy_hdr_os;
+ image_header_t *hdr = &images->legacy_hdr_os_copy;
#if defined(CONFIG_FIT)
- if (hdr == NULL) {
+ if (!images->legacy_hdr_valid) {
fit_unsupported_reset ("VxWorks");
do_reset (cmdtp, flag, argc, argv);
}
{
char *local_args[2];
char str[16];
- image_header_t *hdr = images->legacy_hdr_os;
+ image_header_t *hdr = &images->legacy_hdr_os_copy;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {
int i, j, nxt, len, envno, envsz;
bd_t *kbd;
void (*entry)(bd_t *bd, char *cmdline, char **fwenv, ulong top);
- image_header_t *hdr = images->legacy_hdr_os;
+ image_header_t *hdr = &images->legacy_hdr_os_copy;
#if defined(CONFIG_FIT)
if (!images->legacy_hdr_valid) {