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Block eraser conversions and support for Eon EN25B series

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Convert chips to block_erasers:
ST_M25PE10
ST_M25PE20
ST_M25PE40
ST_M25PE80
ST_M25PE16
PMC_25LV010
PMC_25LV016B
PMC_25LV020
PMC_25LV040
PMC_25LV080B
PMC_25LV512
PMC_39F010
PMC_49FL002
PMC_49FL004
SANYO_LE25FW203A
SPANSION_S25FL016A

Added spi_block_erase_d7 for PMC chips.

Corresponding to flashrom svn r867.

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
2010-01-19 03:23:07 +00:00
parent db7c153cdd
commit 5643c0782e
4 changed files with 283 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
spi.c
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@ -701,6 +701,48 @@ int spi_block_erase_d8(struct flashchip *flash, unsigned int addr, unsigned int
return 0;
}
/* Block size is usually
* 4k for PMC
*/
int spi_block_erase_d7(struct flashchip *flash, unsigned int addr, unsigned int blocklen)
{
int result;
struct spi_command cmds[] = {
{
.writecnt = JEDEC_WREN_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_WREN },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = JEDEC_BE_D7_OUTSIZE,
.writearr = (const unsigned char[]){ JEDEC_BE_D7, (addr >> 16) & 0xff, (addr >> 8) & 0xff, (addr & 0xff) },
.readcnt = 0,
.readarr = NULL,
}, {
.writecnt = 0,
.writearr = NULL,
.readcnt = 0,
.readarr = NULL,
}};
result = spi_send_multicommand(cmds);
if (result) {
fprintf(stderr, "%s failed during command execution at address 0x%x\n",
__func__, addr);
return result;
}
/* Wait until the Write-In-Progress bit is cleared.
* This usually takes 100-4000 ms, so wait in 100 ms steps.
*/
while (spi_read_status_register() & JEDEC_RDSR_BIT_WIP)
programmer_delay(100 * 1000);
if (check_erased_range(flash, addr, blocklen)) {
fprintf(stderr, "ERASE FAILED!\n");
return -1;
}
return 0;
}
int spi_chip_erase_d8(struct flashchip *flash)
{
int i, rc = 0;