int jz_sfc_chip_erase()
{
/* the paraterms is
* cmd , len, addr,addr_len
* dummy_byte, daten
* dir
*
* */
unsigned char cmd[6];
cmd[0] = CMD_WREN;
cmd[1] = CMD_ERASE_CE;
cmd[5] = CMD_RDSR;
unsigned int buf = 0;
int err = 0;
if(sfc_is_init == 0){
err = sfc_init();
if(err < 0){
printf("the quad mode is not support\n");
return -1;
}
}
if(sfc_quad_mode == 1){
if(quad_mode_is_set == 0){
sfc_set_quad_mode();
}
}
jz_sfc_writel(1 << 2,SFC_TRIG);
sfc_send_cmd(&cmd[0],0,0,0,0,0,1);
sfc_send_cmd(&cmd[1],0,0,0,0,0,1);
sfc_send_cmd(&cmd[5], 1,0,0,0,1,0);
sfc_read_data(&buf, 1);
printf("sfc start chip erase\n");
while(buf & CMD_SR_WIP) {
sfc_send_cmd(&cmd[5], 1,0,0,0,1,0);
sfc_read_data(&buf, 1);
}
printf("########## chip erase ok ######### \n");
return 0;
}
static int do_sfcnor(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
unsigned int src_addr,count,dst_addr,erase_en = 0;;
if(argc < 4){
return CMD_RET_USAGE;
}
sfc_init();
if(!strcmp(argv[1],"read")){
src_addr = simple_strtoul(argv[2],NULL,16);
count = simple_strtoul(argv[3],NULL,16);
dst_addr = simple_strtoul(argv[4],NULL,16);
printf("sfcnor read Image from 0x%x to 0x%x size is 0x%x ...\n",src_addr,dst_addr,count);
sfc_nor_read(src_addr,count,dst_addr);
printf("sfcnor read ok!\n");
return 0;
}else if(!strcmp(argv[1],"write")){
src_addr = simple_strtoul(argv[2],NULL,16);
count = simple_strtoul(argv[3],NULL,16);
dst_addr = simple_strtoul(argv[4],NULL,16);
erase_en = simple_strtoul(argv[5],NULL,16);
printf("sfcnor write Image from 0x%x to 0x%x size is 0x%x erase_en = %d...\n",dst_addr,src_addr,count,erase_en);
sfc_nor_write(src_addr,count,dst_addr,erase_en);
printf("sfcnor write ok!\n");
return 0;
}else if(!strcmp(argv[1],"erase")){
src_addr = simple_strtoul(argv[2],NULL,16);
count = simple_strtoul(argv[3],NULL,16);
printf("sfcnor erase Image 0x%x size is 0x%x ...\n",src_addr,count);
sfc_nor_erase(src_addr,count);
printf("sfcnor erase ok!\n");
return 0;
}else
return CMD_RET_USAGE;
usage:
return CMD_RET_USAGE;
}
