int setup_waveform_file(void)
{
#ifdef CONFIG_WAVEFORM_FILE_IN_MMC
int mmc_dev = get_mmc_env_devno();
ulong offset = CONFIG_WAVEFORM_FILE_OFFSET;
ulong size = CONFIG_WAVEFORM_FILE_SIZE;
ulong addr = CONFIG_WAVEFORM_BUF_ADDR;
struct mmc *mmc = find_mmc_device(mmc_dev);
uint blk_start, blk_cnt, n;
if (!mmc) {
printf("MMC Device %d not found\n", mmc_dev);
return -1;
}
if (mmc_init(mmc)) {
puts("MMC init failed\n");
return -1;
}
blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
n = mmc->block_dev.block_read(mmc_dev, blk_start,
blk_cnt, (u_char *) addr);
flush_cache((ulong) addr, blk_cnt * mmc->read_bl_len);
return (n == blk_cnt) ? 0 : -1;
#else
return -1;
#endif
}
static check_file_crc(unsigned int base, unsigned int size)
{
volatile unsigned int check_addr = 0x70300000;
unsigned int blk_start, blk_cnt, n;
int result = 0;
int mmc_dev = get_mmc_env_devno();
struct mmc *mmc = find_mmc_device(mmc_dev);
if (!mmc) {
printf("MMC Device %d not found\n", mmc_dev);
return -1;
}
if (mmc_init(mmc)) {
puts("MMC init failed\n");
return -1;
}
memset(check_addr, 0, size);
blk_start = ALIGN(base, mmc->read_bl_len) / mmc->read_bl_len;
blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
n = mmc->block_dev.block_read(mmc_dev, blk_start,
blk_cnt, (u_char *)check_addr);
flush_cache((volatile unsigned int)check_addr, blk_cnt * mmc->read_bl_len);
*((unsigned long *)(check_addr+size-4)) = crc32(0L, (unsigned char *)check_addr, size - sizeof(unsigned long));
unsigned long computed_re = ~crc32(0L,(unsigned char *)check_addr,size);
result=CRC32_RESIDUE==computed_re;
if(result)
printf("file write and read check passed\n");
else
printf("file write and read check failed\n");
return result;
}
int setup_splash_img(void)
{
#ifdef CONFIG_SPLASH_IS_IN_MMC
int mmc_dev = get_mmc_env_devno();
ulong offset = CONFIG_SPLASH_IMG_OFFSET;
ulong size = CONFIG_SPLASH_IMG_SIZE;
ulong addr = 0;
char *s = NULL;
struct mmc *mmc = find_mmc_device(mmc_dev);
uint blk_start, blk_cnt, n;
s = getenv("splashimage");
if (NULL == s) {
puts("env splashimage not found!\n");
return -1;
}
addr = simple_strtoul(s, NULL, 16);
if (!mmc) {
printf("MMC Device %d not found\n", mmc_dev);
return -1;
}
if (mmc_init(mmc)) {
puts("MMC init failed\n");
return -1;
}
blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
n = mmc->block_dev.block_read(mmc_dev, blk_start,
blk_cnt, (u_char *) addr);
flush_cache((ulong) addr, blk_cnt * mmc->read_bl_len);
return (n == blk_cnt) ? 0 : -1;
#endif
return 0;
}
