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add nand read command

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This commit is contained in:
xiangfu 2009-06-25 08:20:59 +00:00
parent 6f225c760e
commit add6f96a67
2 changed files with 92 additions and 0 deletions
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83
inflash/src/cmd.c
View File

@ -620,3 +620,86 @@ int nand_query(void)
return 1;
}
int nand_read(int mode)
{
unsigned int i,j;
unsigned int start_addr, length, page_num;
unsigned char csn;
unsigned short temp;
if (com_argc < 5) {
printf("\n Usage:");
printf(" nread (1) (2) (3) (4) ");
printf("\n 1:start page number"
"\n 2:length in byte"
"\n 3:device index number"
"\n 4:flash index number ");
return -1;
}
init_nand_in();
if (atoi(com_argv[4]) >= MAX_DEV_NUM) {
printf("\n Flash index number overflow!");
return -1;
}
(nand_in.cs_map)[atoi(com_argv[4])] = 1;
nand_in.start = atoi(com_argv[1]);
nand_in.length= atoi(com_argv[2]);
nand_in.dev = atoi(com_argv[3]);
start_addr = nand_in->start;
length = nand_in->length;
if (start_addr > NAND_MAX_PAGE_NUM || length > NAND_MAX_PAGE_NUM ) {
printf("\n Page number overflow!");
return -1;
}
if (usb_get_ingenic_cpu(&ingenic_dev) < 3) {
printf("\n Device unboot! Boot it first!");
return -1;
}
for (i = 0; i < nand_in->max_chip; i++)
if ((nand_in->cs_map)[i] != 0)
break;
if (i>=nand_in->max_chip) return 1;
csn = i;
printf("\n Reading from No.%d device No.%d flash....",nand_in->dev,csn);
page_num = length / Hand.nand_ps +1;
usb_send_data_address_to_ingenic(&ingenic_dev, start_addr);
usb_send_data_length_to_ingenic(&ingenic_dev, page_num);
switch(mode) {
case NAND_READ:
temp = ((NO_OOB<<12) & 0xf000) + ((csn<<4) & 0xff0) + NAND_READ;
break;
case NAND_READ_OOB:
temp = ((csn<<4) & 0xff0) + NAND_READ_OOB;
break;
case NAND_READ_RAW:
temp = ((NO_OOB<<12) & 0xf000) + ((csn<<4) & 0xff0) + NAND_READ_RAW;
break;
default:
printf("\n unknow mode!");
break;
}
usb_ingenic_nand_ops(&ingenic_dev, temp);
usb_read_data_from_ingenic(&ingenic_dev, nand_in->buf, page_num * hand.nand_ps);
for (j=0;j<length;j++)
{
if (j % 16 == 0) printf("\n 0x%08x :",j);
printf("%02x ",(nand_in->buf)[j]);
}
usb_read_data_from_ingenic(&ingenic_dev, ret, 8);
printf("\n Operation end position : %d ",
(ret[3]<<24)|(ret[2]<<16)|(ret[1]<<8)|(ret[0]<<0));
return 1;
}

9
inflash/src/command_line.c
View File

@ -167,6 +167,15 @@ int command_handle(char *buf)
case 7:
handle_nerase();
break;
case 8: /* nread */
nand_read(NAND_READ);
break;
case 9: /* nreadraw */
nand_read(NAND_READ_RAW);
break;
case 10: /* nreadoob */
nand_read(NAND_READ_OOB);
break;
case 11:
nand_prog();
break;