openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-01 14:11:15 +02:00
Code Issues Releases Wiki Activity

Add programmer-specific delay functions

Browse Source 
Add external programmer delay functions so external programmers can
handle the delay on their own if needed.

Corresponding to flashrom svn r578.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Urja Rannikko <urjaman@gmail.com>
This commit is contained in:
Carl-Daniel Hailfinger
2009-06-05 17:48:08 +00:00
parent 945d26a0d7
commit ca8bfc6c22
21 changed files with 129 additions and 103 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
w39v040c.c
View File

@ -26,22 +26,22 @@ int probe_w39v040c(struct flashchip *flash)
uint8_t id1, id2, lock;
chip_writeb(0xAA, bios + 0x5555);
myusec_delay(10);
programmer_delay(10);
chip_writeb(0x55, bios + 0x2AAA);
myusec_delay(10);
programmer_delay(10);
chip_writeb(0x90, bios + 0x5555);
myusec_delay(10);
programmer_delay(10);
id1 = chip_readb(bios);
id2 = chip_readb(bios + 1);
lock = chip_readb(bios + 0xfff2);
chip_writeb(0xAA, bios + 0x5555);
myusec_delay(10);
programmer_delay(10);
chip_writeb(0x55, bios + 0x2AAA);
myusec_delay(10);
programmer_delay(10);
chip_writeb(0xF0, bios + 0x5555);
myusec_delay(40);
programmer_delay(40);
printf_debug("%s: id1 0x%02x, id2 0x%02x", __func__, id1, id2);
if (!oddparity(id1))