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-rw-r--r--lib_arm/armlinux.c404
1 files changed, 195 insertions, 209 deletions
diff --git a/lib_arm/armlinux.c b/lib_arm/armlinux.c
index 68e12d3..0b3d01e 100644
--- a/lib_arm/armlinux.c
+++ b/lib_arm/armlinux.c
@@ -41,20 +41,24 @@ extern int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]);
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_VFD)
-static void setup_start_tag(bd_t *bd);
+static void setup_start_tag (bd_t *bd);
+
# ifdef CONFIG_SETUP_MEMORY_TAGS
-static void setup_memory_tags(bd_t *bd);
+static void setup_memory_tags (bd_t *bd);
# endif
-static void setup_commandline_tag(bd_t *bd, char *commandline);
+static void setup_commandline_tag (bd_t *bd, char *commandline);
+
#if 0
-static void setup_ramdisk_tag(bd_t *bd);
+static void setup_ramdisk_tag (bd_t *bd);
#endif
# ifdef CONFIG_INITRD_TAG
-static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end);
+static void setup_initrd_tag (bd_t *bd, ulong initrd_start,
+ ulong initrd_end);
# endif
-static void setup_end_tag(bd_t *bd);
+static void setup_end_tag (bd_t *bd);
+
# if defined (CONFIG_VFD)
-static void setup_videolfb_tag(gd_t *gd);
+static void setup_videolfb_tag (gd_t *gd);
# endif
@@ -68,180 +72,179 @@ static struct tag *params;
# define SHOW_BOOT_PROGRESS(arg)
#endif
-extern image_header_t header; /* from cmd_bootm.c */
+extern image_header_t header; /* from cmd_bootm.c */
-void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
- ulong addr, ulong *len_ptr, int verify)
+void 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 len = 0, checksum;
- ulong initrd_start, initrd_end;
- ulong data;
- void (*theKernel)(int zero, int arch);
- image_header_t *hdr = &header;
- bd_t *bd = gd->bd;
+ ulong len = 0, checksum;
+ ulong initrd_start, initrd_end;
+ ulong data;
+ void (*theKernel) (int zero, int arch);
+ image_header_t *hdr = &header;
+ bd_t *bd = gd->bd;
+
#ifdef CONFIG_CMDLINE_TAG
- char *commandline = getenv("bootargs");
+ char *commandline = getenv ("bootargs");
#endif
- theKernel = (void (*)(int, int))ntohl(hdr->ih_ep);
+ theKernel = (void (*)(int, int)) ntohl (hdr->ih_ep);
- /*
- * Check if there is an initrd image
- */
- if (argc >= 3) {
- SHOW_BOOT_PROGRESS (9);
+ /*
+ * Check if there is an initrd image
+ */
+ if (argc >= 3) {
+ SHOW_BOOT_PROGRESS (9);
- addr = simple_strtoul(argv[2], NULL, 16);
+ addr = simple_strtoul (argv[2], NULL, 16);
- printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
+ printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
- /* Copy header so we can blank CRC field for re-calculation */
+ /* Copy header so we can blank CRC field for re-calculation */
#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash(addr)){
- read_dataflash(addr, sizeof(image_header_t), (char *)&header);
- } else
+ if (addr_dataflash (addr)) {
+ read_dataflash (addr, sizeof (image_header_t),
+ (char *) &header);
+ } else
#endif
- memcpy (&header, (char *)addr, sizeof(image_header_t));
+ memcpy (&header, (char *) addr,
+ sizeof (image_header_t));
- if (ntohl(hdr->ih_magic) != IH_MAGIC) {
- printf ("Bad Magic Number\n");
- SHOW_BOOT_PROGRESS (-10);
- do_reset (cmdtp, flag, argc, argv);
- }
+ if (ntohl (hdr->ih_magic) != IH_MAGIC) {
+ printf ("Bad Magic Number\n");
+ SHOW_BOOT_PROGRESS (-10);
+ do_reset (cmdtp, flag, argc, argv);
+ }
- data = (ulong)&header;
- len = sizeof(image_header_t);
+ data = (ulong) & header;
+ len = sizeof (image_header_t);
- checksum = ntohl(hdr->ih_hcrc);
- hdr->ih_hcrc = 0;
+ checksum = ntohl (hdr->ih_hcrc);
+ hdr->ih_hcrc = 0;
- if (crc32 (0, (char *)data, len) != checksum) {
- printf ("Bad Header Checksum\n");
- SHOW_BOOT_PROGRESS (-11);
- do_reset (cmdtp, flag, argc, argv);
- }
+ if (crc32 (0, (char *) data, len) != checksum) {
+ printf ("Bad Header Checksum\n");
+ SHOW_BOOT_PROGRESS (-11);
+ do_reset (cmdtp, flag, argc, argv);
+ }
- SHOW_BOOT_PROGRESS (10);
+ SHOW_BOOT_PROGRESS (10);
- print_image_hdr (hdr);
+ print_image_hdr (hdr);
- data = addr + sizeof(image_header_t);
- len = ntohl(hdr->ih_size);
+ data = addr + sizeof (image_header_t);
+ len = ntohl (hdr->ih_size);
#ifdef CONFIG_HAS_DATAFLASH
- if (addr_dataflash(addr)){
- read_dataflash(data, len, (char *)CFG_LOAD_ADDR);
- data = CFG_LOAD_ADDR;
- }
+ if (addr_dataflash (addr)) {
+ read_dataflash (data, len, (char *) CFG_LOAD_ADDR);
+ data = CFG_LOAD_ADDR;
+ }
#endif
- if (verify) {
- ulong csum = 0;
-
- printf (" Verifying Checksum ... ");
- csum = crc32 (0, (char *)data, len);
- if (csum != ntohl(hdr->ih_dcrc)) {
- printf ("Bad Data CRC\n");
- SHOW_BOOT_PROGRESS (-12);
- do_reset (cmdtp, flag, argc, argv);
- }
- printf ("OK\n");
- }
-
- SHOW_BOOT_PROGRESS (11);
-
- if ((hdr->ih_os != IH_OS_LINUX) ||
- (hdr->ih_arch != IH_CPU_ARM) ||
- (hdr->ih_type != IH_TYPE_RAMDISK) ) {
- printf ("No Linux ARM Ramdisk Image\n");
- SHOW_BOOT_PROGRESS (-13);
- do_reset (cmdtp, flag, argc, argv);
- }
-
- /*
- * Now check if we have a multifile image
- */
- } else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
- ulong tail = ntohl(len_ptr[0]) % 4;
- int i;
-
- SHOW_BOOT_PROGRESS (13);
-
- /* skip kernel length and terminator */
- data = (ulong)(&len_ptr[2]);
- /* skip any additional image length fields */
- for (i=1; len_ptr[i]; ++i)
- data += 4;
- /* add kernel length, and align */
- data += ntohl(len_ptr[0]);
- if (tail) {
- data += 4 - tail;
+ if (verify) {
+ ulong csum = 0;
+
+ printf (" Verifying Checksum ... ");
+ csum = crc32 (0, (char *) data, len);
+ if (csum != ntohl (hdr->ih_dcrc)) {
+ printf ("Bad Data CRC\n");
+ SHOW_BOOT_PROGRESS (-12);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+ printf ("OK\n");
+ }
+
+ SHOW_BOOT_PROGRESS (11);
+
+ if ((hdr->ih_os != IH_OS_LINUX) ||
+ (hdr->ih_arch != IH_CPU_ARM) ||
+ (hdr->ih_type != IH_TYPE_RAMDISK)) {
+ printf ("No Linux ARM Ramdisk Image\n");
+ SHOW_BOOT_PROGRESS (-13);
+ do_reset (cmdtp, flag, argc, argv);
+ }
+
+ /*
+ * Now check if we have a multifile image
+ */
+ } else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
+ ulong tail = ntohl (len_ptr[0]) % 4;
+ int i;
+
+ SHOW_BOOT_PROGRESS (13);
+
+ /* skip kernel length and terminator */
+ data = (ulong) (&len_ptr[2]);
+ /* skip any additional image length fields */
+ for (i = 1; len_ptr[i]; ++i)
+ data += 4;
+ /* add kernel length, and align */
+ data += ntohl (len_ptr[0]);
+ if (tail) {
+ data += 4 - tail;
+ }
+
+ len = ntohl (len_ptr[1]);
+
+ } else {
+ /*
+ * no initrd image
+ */
+ SHOW_BOOT_PROGRESS (14);
+
+ len = data = 0;
}
- len = ntohl(len_ptr[1]);
-
- } else {
- /*
- * no initrd image
- */
- SHOW_BOOT_PROGRESS (14);
-
- data = 0;
- }
-
#ifdef DEBUG
- if (!data) {
- printf ("No initrd\n");
- }
+ if (!data) {
+ printf ("No initrd\n");
+ }
#endif
- if (data) {
- initrd_start = data;
- initrd_end = initrd_start + len;
- } else {
- initrd_start = 0;
- initrd_end = 0;
- }
+ if (data) {
+ initrd_start = data;
+ initrd_end = initrd_start + len;
+ } else {
+ initrd_start = 0;
+ initrd_end = 0;
+ }
- SHOW_BOOT_PROGRESS (15);
+ SHOW_BOOT_PROGRESS (15);
-#ifdef DEBUG
- printf ("## Transferring control to Linux (at address %08lx) ...\n",
- (ulong)theKernel);
-#endif
+ debug ("## Transferring control to Linux (at address %08lx) ...\n",
+ (ulong) theKernel);
#if defined (CONFIG_SETUP_MEMORY_TAGS) || \
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_VFD)
- setup_start_tag(bd);
+ setup_start_tag (bd);
#ifdef CONFIG_SETUP_MEMORY_TAGS
- setup_memory_tags(bd);
+ setup_memory_tags (bd);
#endif
#ifdef CONFIG_CMDLINE_TAG
- setup_commandline_tag(bd, commandline);
+ setup_commandline_tag (bd, commandline);
#endif
#ifdef CONFIG_INITRD_TAG
- setup_initrd_tag(bd, initrd_start, initrd_end);
-#endif
-#if 0
- setup_ramdisk_tag(bd);
+ if (initrd_start && initrd_end)
+ setup_initrd_tag (bd, initrd_start, initrd_end);
#endif
#if defined (CONFIG_VFD)
- setup_videolfb_tag((gd_t *)gd);
+ setup_videolfb_tag ((gd_t *) gd);
#endif
- setup_end_tag(bd);
+ setup_end_tag (bd);
#endif
- /* we assume that the kernel is in place */
- printf("\nStarting kernel ...\n\n");
+ /* we assume that the kernel is in place */
+ printf ("\nStarting kernel ...\n\n");
- cleanup_before_linux();
+ cleanup_before_linux ();
- theKernel(0, bd->bi_arch_number);
+ theKernel (0, bd->bi_arch_number);
}
@@ -249,59 +252,59 @@ void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
defined (CONFIG_CMDLINE_TAG) || \
defined (CONFIG_INITRD_TAG) || \
defined (CONFIG_VFD)
-static void setup_start_tag(bd_t *bd)
+static void setup_start_tag (bd_t *bd)
{
- params = (struct tag *)bd->bi_boot_params;
+ params = (struct tag *) bd->bi_boot_params;
- params->hdr.tag = ATAG_CORE;
- params->hdr.size = tag_size(tag_core);
+ params->hdr.tag = ATAG_CORE;
+ params->hdr.size = tag_size (tag_core);
- params->u.core.flags = 0;
- params->u.core.pagesize = 0;
- params->u.core.rootdev = 0;
+ params->u.core.flags = 0;
+ params->u.core.pagesize = 0;
+ params->u.core.rootdev = 0;
- params = tag_next(params);
+ params = tag_next (params);
}
#ifdef CONFIG_SETUP_MEMORY_TAGS
-static void setup_memory_tags(bd_t *bd)
+static void setup_memory_tags (bd_t *bd)
{
- int i;
+ int i;
- for(i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
- params->hdr.tag = ATAG_MEM;
- params->hdr.size = tag_size(tag_mem32);
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) {
+ params->hdr.tag = ATAG_MEM;
+ params->hdr.size = tag_size (tag_mem32);
- params->u.mem.start = bd->bi_dram[i].start;
- params->u.mem.size = bd->bi_dram[i].size;
+ params->u.mem.start = bd->bi_dram[i].start;
+ params->u.mem.size = bd->bi_dram[i].size;
- params = tag_next(params);
- }
+ params = tag_next (params);
+ }
}
-#endif /* CONFIG_SETUP_MEMORY_TAGS */
+#endif /* CONFIG_SETUP_MEMORY_TAGS */
-static void setup_commandline_tag(bd_t *bd, char *commandline)
+static void setup_commandline_tag (bd_t *bd, char *commandline)
{
- char *p;
+ char *p;
- /* eat leading white space */
- for(p = commandline; *p == ' '; p++)
- ;
+ /* eat leading white space */
+ for (p = commandline; *p == ' '; p++);
- /* skip non-existent command lines so the kernel will still
- * use its default command line.
- */
- if(*p == '\0')
- return;
+ /* skip non-existent command lines so the kernel will still
+ * use its default command line.
+ */
+ if (*p == '\0')
+ return;
- params->hdr.tag = ATAG_CMDLINE;
- params->hdr.size = (sizeof(struct tag_header) + strlen(p) + 1 + 4) >> 2;
+ params->hdr.tag = ATAG_CMDLINE;
+ params->hdr.size =
+ (sizeof (struct tag_header) + strlen (p) + 1 + 4) >> 2;
- strcpy(params->u.cmdline.cmdline, p);
+ strcpy (params->u.cmdline.cmdline, p);
- params = tag_next(params);
+ params = tag_next (params);
}
@@ -310,64 +313,47 @@ static void setup_commandline_tag(bd_t *bd, char *commandline)
#endif
#ifdef CONFIG_INITRD_TAG
-static void setup_initrd_tag(bd_t *bd, ulong initrd_start, ulong initrd_end)
+static void setup_initrd_tag (bd_t *bd, ulong initrd_start, ulong initrd_end)
{
- /* an ATAG_INITRD node tells the kernel where the compressed
- * ramdisk can be found. ATAG_RDIMG is a better name, actually.
- */
- params->hdr.tag = ATAG_INITRD2;
- params->hdr.size = tag_size(tag_initrd);
+ /* an ATAG_INITRD node tells the kernel where the compressed
+ * ramdisk can be found. ATAG_RDIMG is a better name, actually.
+ */
+ params->hdr.tag = ATAG_INITRD2;
+ params->hdr.size = tag_size (tag_initrd);
- params->u.initrd.start = initrd_start;
- params->u.initrd.size = initrd_end - initrd_start;
+ params->u.initrd.start = initrd_start;
+ params->u.initrd.size = initrd_end - initrd_start;
- params = tag_next(params);
+ params = tag_next (params);
}
-#endif /* CONFIG_INITRD_TAG */
+#endif /* CONFIG_INITRD_TAG */
-#if 0
-static void setup_ramdisk_tag(bd_t *bd)
+#if defined (CONFIG_VFD)
+static void setup_videolfb_tag (gd_t *gd)
{
- /* an ATAG_RAMDISK node tells the kernel how large the
- * decompressed ramdisk will become.
- */
- params->hdr.tag = ATAG_RAMDISK;
- params->hdr.size = tag_size(tag_ramdisk);
-
- params->u.ramdisk.start = 0;
- /*params->u.ramdisk.size = RAMDISK_SIZE; */
- params->u.ramdisk.flags = 1; /* automatically load ramdisk */
+ /* An ATAG_VIDEOLFB node tells the kernel where and how large
+ * the framebuffer for video was allocated (among other things).
+ * Note that a _physical_ address is passed !
+ *
+ * We only use it to pass the address and size, the other entries
+ * in the tag_videolfb are not of interest.
+ */
+ params->hdr.tag = ATAG_VIDEOLFB;
+ params->hdr.size = tag_size (tag_videolfb);
- params = tag_next(params);
-}
-#endif /* 0 */
+ params->u.videolfb.lfb_base = (u32) gd->fb_base;
+ /* 7168 = 256*4*56/8 - actually 2 pages (8192 bytes) are allocated */
+ params->u.videolfb.lfb_size = 7168;
-#if defined (CONFIG_VFD)
-static void setup_videolfb_tag(gd_t *gd)
-{
- /* An ATAG_VIDEOLFB node tells the kernel where and how large
- * the framebuffer for video was allocated (among other things).
- * Note that a _physical_ address is passed !
- *
- * We only use it to pass the address and size, the other entries
- * in the tag_videolfb are not of interest.
- */
- params->hdr.tag = ATAG_VIDEOLFB;
- params->hdr.size = tag_size(tag_videolfb);
-
- params->u.videolfb.lfb_base = (u32)gd->fb_base;
- /* 7168 = 256*4*56/8 - actually 2 pages (8192 bytes) are allocated */
- params->u.videolfb.lfb_size = 7168;
-
- params = tag_next(params);
+ params = tag_next (params);
}
#endif
-static void setup_end_tag(bd_t *bd)
+static void setup_end_tag (bd_t *bd)
{
- params->hdr.tag = ATAG_NONE;
- params->hdr.size = 0;
+ params->hdr.tag = ATAG_NONE;
+ params->hdr.size = 0;
}
#endif /* CONFIG_SETUP_MEMORY_TAGS || CONFIG_CMDLINE_TAG || CONFIG_INITRD_TAG */
generated by cgit v1.1 at 2024-11-23 22:25:24 +0000