#include <nand.h>
#include <jffs2/load_kernel.h>
-DECLARE_GLOBAL_DATA_PTR;
-
-static int karo_load_part(const char *part, void *addr, size_t len)
-{
- int ret;
- struct mtd_device *dev;
- struct part_info *part_info;
- u8 part_num;
- size_t actual;
+#include "karo.h"
- debug("Initializing mtd_parts\n");
- ret = mtdparts_init();
- if (ret)
- return ret;
-
- debug("Trying to find NAND partition '%s'\n", part);
- ret = find_dev_and_part(part, &dev, &part_num,
- &part_info);
- if (ret) {
- printf("Failed to find flash partition '%s': %d\n",
- part, ret);
-
- return ret;
- }
- debug("Found partition '%s': offset=%08x size=%08x\n",
- part, part_info->offset, part_info->size);
- if (part_info->size < len) {
- printf("Warning: partition '%s' smaller than requested size: %u; truncating data to %u byte\n",
- part, len, part_info->size);
- len = part_info->size;
- }
- debug("Reading NAND partition '%s' to %p\n", part, addr);
- ret = nand_read_skip_bad(&nand_info[0], part_info->offset, &len,
- &actual, len, addr);
- if (ret) {
- printf("Failed to load partition '%s' to %p\n", part, addr);
- return ret;
- }
- if (actual < len)
- printf("Read only %u of %u bytes due to bad blocks\n",
- actual, len);
-
- debug("Read %u byte from partition '%s' @ offset %08x\n",
- len, part, part_info->offset);
- return 0;
-}
+DECLARE_GLOBAL_DATA_PTR;
static ulong calc_fbsize(void)
{
int karo_load_splashimage(int mode)
{
int ret;
- int do_nand(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]);
unsigned long la = gd->fb_base;
char *splashimage = getenv("splashimage");
ulong fbsize = calc_fbsize();
}
return 0;
}
-
-static int erase_flash(loff_t offs, size_t len)
-{
- nand_erase_options_t nand_erase_options;
-
- memset(&nand_erase_options, 0, sizeof(nand_erase_options));
- nand_erase_options.length = len;
- nand_erase_options.offset = offs;
-
- return nand_erase_opts(&nand_info[0], &nand_erase_options);
-}
-
-int do_fbdump(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
-{
- int ret;
- size_t fbsize = calc_fbsize();
- const char *part = "logo";
- struct mtd_device *dev;
- struct part_info *part_info;
- u8 part_num;
- u_char *addr = (u_char *)gd->fb_base;
- size_t actual;
-
- if (argc > 2)
- return CMD_RET_USAGE;
-
- if (argc == 2)
- part = argv[1];
-
- if (!addr) {
- printf("fb address unknown\n");
- return CMD_RET_FAILURE;
- }
-
- debug("Initializing mtd_parts\n");
- ret = mtdparts_init();
- if (ret)
- return ret;
-
- debug("Trying to find NAND partition '%s'\n", part);
- ret = find_dev_and_part(part, &dev, &part_num,
- &part_info);
- if (ret) {
- printf("Failed to find flash partition '%s': %d\n",
- part, ret);
-
- return ret;
- }
- debug("Found partition '%s': offset=%08x size=%08x\n",
- part, part_info->offset, part_info->size);
- if (part_info->size < fbsize) {
- printf("Error: partition '%s' smaller than frame buffer size: %u\n",
- part, fbsize);
- return CMD_RET_FAILURE;
- }
- debug("Writing framebuffer %p to NAND partition '%s'\n",
- addr, part);
-
- ret = erase_flash(part_info->offset, fbsize);
- if (ret) {
- printf("Failed to erase partition '%s'\n", part);
- return CMD_RET_FAILURE;
- }
-
- ret = nand_write_skip_bad(&nand_info[0], part_info->offset,
- &fbsize, &actual, part_info->size,
- addr, WITH_DROP_FFS);
- if (ret) {
- printf("Failed to write partition '%s'\n", part);
- return ret;
- }
- if (actual < fbsize)
- printf("Wrote only %u of %u bytes due to bad blocks\n",
- actual, fbsize);
-
- debug("Wrote %u byte from %p to partition '%s' @ offset %08x\n",
- fbsize, addr, part, part_info->offset);
-
- return CMD_RET_SUCCESS;
-}
-
-U_BOOT_CMD(fbdump, 2, 0, do_fbdump, "dump framebuffer contents to flash",
- "[partition name]\n"
- " default partition name: 'logo'\n");