int read_spldata()
{
int size = CONFIG_SPL_LOAD_LEN;
if(TRUE != Emmc_Read(PARTITION_BOOT1, 0, size/EMMC_SECTOR_SIZE, (uint8*)spl_data)){
debugf("vmjaluna nand read error \n");
return -1;
}
return 0;
}
/**
Function for reading user partition.
*/
PUBLIC int _boot_partition_read(block_dev_desc_t *dev, wchar_t* partition_name, u32 offsetsector, u32 size, u8* buf)
{
int ret =0;
u32 left;
u32 nsct;
char *sctbuf=NULL;
disk_partition_t info;
if(NULL == buf){
debugf("%s:buf is NULL!\n", __func__);
goto end;
}
nsct = size/EMMC_SECTOR_SIZE;
left = size%EMMC_SECTOR_SIZE;
if(get_partition_info_by_name(dev, partition_name, &info)){
debugf("get partition %s info failed!\n", w2c(partition_name));
goto end;
}
if(TRUE != Emmc_Read(PARTITION_USER, info.start+offsetsector, nsct, buf))
goto end;
if(left){
sctbuf = malloc(EMMC_SECTOR_SIZE);
if(NULL != sctbuf){
if(TRUE == Emmc_Read(PARTITION_USER, info.start+offsetsector+nsct, 1, sctbuf)){
memcpy(buf+(nsct*EMMC_SECTOR_SIZE), sctbuf, left);
ret = 1;
}
free(sctbuf);
}
}else{
ret = 1;
}
end:
debugf("%s: partition %s read %s!\n", __func__,w2c(partition_name),ret?"success":"failed");
return ret;
}
int read_logoimg(char *bmp_img,size_t size)
{
block_dev_desc_t *p_block_dev = NULL;
disk_partition_t info;
p_block_dev = get_dev("mmc", 1);
if(NULL == p_block_dev){
return -1;
}
if (!get_partition_info_by_name(p_block_dev, L"logo", &info)) {
if(TRUE != Emmc_Read(PARTITION_USER, info.start, size/EMMC_SECTOR_SIZE, bmp_img)){
debugf("function: %s nand read error\n", __FUNCTION__);
return -1;
}
}
return 0;
}
int get_recovery_message(struct recovery_message *out)
{
block_dev_desc_t *p_block_dev = NULL;
disk_partition_t info;
int size=8192;
p_block_dev = get_dev("mmc", 1);
if(NULL == p_block_dev){
return -1;
}
if (!get_partition_info(p_block_dev, PARTITION_MISC, &info)) {
if(TRUE != Emmc_Read(PARTITION_USER, info.start, size/EMMC_SECTOR_SIZE, (void *)buf)){
printf("function: %s emcc read error\n", __FUNCTION__);
return -1;
}
}
memcpy(out, buf, sizeof(*out));
return 0;
}
