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cmd_jzfpga.c
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#include <common.h>
#define BOOT_ROM_ADDR (0xba032000)
#if defined(CONFIG_JZ4775)
#define BOOT_RAM_LOADADDR (0xb3414000)
#define BOOT_ROM_SIZE (16 * 1024)
#elif defined(CONFIG_JZ4780)
#define BOOT_RAM_LOADADDR (0xb3414000) //??
#define BOOT_ROM_SIZE (32 * 1024)
#elif defined(CONFIG_M200)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (32 * 1024)
#elif defined(CONFIG_T10)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (32 * 1024)
#elif defined(CONFIG_T5)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (16 * 1024)
#elif defined(CONFIG_T15G)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (16 * 1024)
#elif defined(CONFIG_T30)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (16 * 1024)
#elif defined(CONFIG_T21)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (32 * 1024)
#elif defined(CONFIG_T31)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (16 * 1024)
#elif defined(CONFIG_T40)
#define BOOT_RAM_LOADADDR (0xb3418000)
#define BOOT_ROM_SIZE (22 * 1024)
#endif
static int do_jbootrom_part(unsigned long bootrom_addr)
{
unsigned int ram_addr, store_addr, rom_addr;
unsigned int *src,*dst;
volatile unsigned int *aa;
unsigned int count = 0;
unsigned int i = 0;
void (*bootrom)(void);
ram_addr = (unsigned int)BOOT_RAM_LOADADDR;
store_addr = (unsigned int)bootrom_addr;
rom_addr = 0xbfc00000;
/* Dump 8 byte info */
aa = (unsigned int volatile *)rom_addr;
printf("dst ori(%p):\n", aa);
for (i = 0; i < 8; i++)
printf("0x%08x\n", aa[i]);
aa = (unsigned int volatile *)ram_addr;
for (i = 0; i < 8; i++)
aa[i] = i;
aa = (unsigned int volatile *)rom_addr;
printf("dst before(%p):\n", aa);
for (i = 0; i < 8; i++)
printf("0x%08x\n", aa[i]);
/* Copy bootrom.bin to bootram*/
src = (unsigned int *)store_addr;
dst = (unsigned int *)ram_addr;
printf("copy %d byte data fromt %p to %p\n", BOOT_ROM_SIZE,
src, dst);
while (count < (BOOT_ROM_SIZE/sizeof(int))) {
*dst++ = src[count++];
}
/* Dump first 8 byte*/
aa = (volatile unsigned int *)store_addr;
printf("src(%p):\n", aa);
for (i = 0; i < 8; i++)
printf("0x%08x\n",aa[i]);
aa = (volatile unsigned int *)rom_addr;
printf("dst(%p):\n", aa);
for (i = 0; i < 8; i++)
printf("0x%08x\n",aa[i]);
/* Jump bootrom */
printf("jump to :0x%x\n", rom_addr);
bootrom = (void (*)(void))rom_addr;
flush_cache_all();
(*bootrom)();
return 0;
}
static int do_jbootrom(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
//unsigned int bootram_addr;
unsigned int bootrom_addr;
#ifndef BOOT_RAM_LOADADDR
#error "Not define BOOT_RAM_LOADADDR"
#endif
#ifndef BOOT_ROM_SIZE
#error "Not define BOOT_ROM_SIZE"
#endif
if (argc != 2)
bootrom_addr = BOOT_ROM_ADDR;
else
bootrom_addr = simple_strtoul(argv[1], NULL, 16);
do_jbootrom_part(bootrom_addr);
return 1;
}
U_BOOT_CMD(
jbootrom, 2, 1, do_jbootrom,
"do jbootrom",
"jbootrom store_addr\n"
"store_addr : bootrom store addr\n"
);