openwrt/flashrom
1
0
Fork 0
mirror of https://review.coreboot.org/flashrom.git synced 2025-07-02 14:33:18 +02:00
Code Issues Releases Wiki Activity

dediprog: Disable 4BA completely

Browse Source 
This is an interim solution. We'll have to enable 4BA step-by-step for
each dediprog protocol version.

Change-Id: I08efcbb09ab3499ef6902a698e9ce3d6232237c4
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/30386
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: David Hendricks <david.hendricks@gmail.com>
This commit is contained in:
Nico Huber
2018-12-22 16:54:59 +01:00
parent 3d7b1e3b5c
commit dc5af547df
3 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
flashrom.c
View File

@ -2333,6 +2333,16 @@ int prepare_flash_access(struct flashctx *const flash,
flash->address_high_byte = -1;
flash->in_4ba_mode = false;
/* Be careful about 4BA chips and broken masters */
if (flash->chip->total_size > 16 * 1024 && spi_master_no_4ba_modes(flash)) {
/* If we can't use native instructions, bail out */
if ((flash->chip->feature_bits & FEATURE_4BA_NATIVE) != FEATURE_4BA_NATIVE
|| !spi_master_4ba(flash)) {
msg_cerr("Programmer doesn't support this chip. Aborting.\n");
return 1;
}
}
/* Enable/disable 4-byte addressing mode if flash chip supports it */
if (flash->chip->feature_bits & (FEATURE_4BA_ENTER | FEATURE_4BA_ENTER_WREN | FEATURE_4BA_ENTER_EAR7)) {
int ret;