openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-03 06:53:18 +02:00
Code Issues Releases Wiki Activity

Convert the following chips to use struct eraseblock

Browse Source 
Am29F010A/B
Am29F002(N)BB
Am29F002(N)BT
Am29F016D
Am29F040B
Am29F080B
Am29LV040B
Am29LV081B
A29040B
Pm29F002T
Pm29F002B

Change function signature of Am29 erase functions and JEDEC chip erase
to be usable with block_erasers.

Corresponding to flashrom svn r812.

Signed-off-by: Sean Nelson <audiohacked@gmail.com>
Acked-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
This commit is contained in:
Sean Nelson
2009-12-22 22:15:33 +00:00
committed by Carl-Daniel Hailfinger
parent 63ce4bb0d2
commit 72a9a02b38
4 changed files with 187 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
am29f040b.c
View File

@ -22,9 +22,8 @@
/* FIMXE: check that the 2 second delay is really needed.
Use erase_sector_jedec if not? */
static int erase_sector_29f040b(struct flashchip *flash, unsigned long address)
int erase_sector_29f040b(struct flashchip *flash, unsigned int address, unsigned int blocklen)
{
int page_size = flash->page_size;
chipaddr bios = flash->virtual_memory;
chip_writeb(0xAA, bios + 0x555);
@ -39,13 +38,24 @@ static int erase_sector_29f040b(struct flashchip *flash, unsigned long address)
/* wait for Toggle bit ready */
toggle_ready_jedec(bios + address);
if (check_erased_range(flash, address, page_size)) {
if (check_erased_range(flash, address, blocklen)) {
fprintf(stderr, "ERASE FAILED!\n");
return -1;
}
return 0;
}
/* erase chip with block_erase() prototype */
int erase_chip_29f040b(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
{
if ((addr != 0) || (blocklen != flash->total_size * 1024)) {
fprintf(stderr, "%s called with incorrect arguments\n",
__func__);
return -1;
}
return erase_29f040b(flash);
}
/* FIXME: use write_sector_jedec? */
static int write_sector_29f040b(chipaddr bios, uint8_t *src, chipaddr dst,
unsigned int page_size)
@ -127,7 +137,7 @@ int write_29f040b(struct flashchip *flash, uint8_t *buf)
printf("Programming page ");
for (i = 0; i < total_size / page_size; i++) {
/* erase the page before programming */
if (erase_sector_29f040b(flash, i * page_size)) {
if (erase_sector_29f040b(flash, i * page_size, page_size)) {
fprintf(stderr, "ERASE FAILED!\n");
return -1;
}