diff options
Diffstat (limited to 'include/config.h')
| -rw-r--r-- | include/config.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/include/config.h b/include/config.h index 97460a88ac..6cc5687ea8 100644 --- a/include/config.h +++ b/include/config.h @@ -598,13 +598,25 @@ #undef CONFIG_FLASH_PROTECT_NEXT_BOOT /* - * Use a bank of flash to store its persistent write protect state. This - * allows ECs with internal flash to emulate something closer to a SPI flash - * write protect register. If this is not defined, write protect state is - * maintained solely by the physical flash driver. + * Store persistent write protect for the flash inside the flash data itself. + * This allows ECs with internal flash to emulate something closer to a SPI + * flash write protect register. If this is not defined, write protect state + * is maintained solely by the physical flash driver. */ #define CONFIG_FLASH_PSTATE +/* + * Store the pstate data in its own dedicated bank of flash. This allows + * disabling the protect-RO-at-boot flag without rewriting the RO firmware, + * but costs a bank of flash. + * + * If this is not defined, the pstate data is stored inside the RO firmware + * image itself. This is more space-efficient, but the only way to clear the + * flag once it's set is to rewrite the RO firmware (after removing the WP + * screw, of course). + */ +#define CONFIG_FLASH_PSTATE_BANK + #undef CONFIG_FLASH_SIZE #undef CONFIG_FLASH_WRITE_IDEAL_SIZE #undef CONFIG_FLASH_WRITE_SIZE |