scottk/OpenCellular
1
0
Fork 0
mirror of https://github.com/Telecominfraproject/OpenCellular.git synced 2025-12-28 02:35:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add RW offset query interface (EC_CMD_FLASH_RW_OFFSET).

Browse Source 
BUG=chrome-os-partner:11149
TEST=build only.

Originally-Signed-off-by: Louis Yung-Chieh Lo <yjlou@chromium.org>
Change-Id: I35ad1e0a49c95a2d6cffbe49b2013a1b8050aabc
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/28166
This commit is contained in:
Louis Yung-Chieh Lo
2012-07-23 18:25:15 +08:00
committed by Gerrit
parent 7884868846
commit 3ab8ed4124
2 changed files with 57 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
common/flash_common.c
View File

@@ -332,3 +332,34 @@ static int flash_command_protect(struct host_cmd_handler_args *args)
DECLARE_HOST_COMMAND(EC_CMD_FLASH_PROTECT,
flash_command_protect,
EC_VER_MASK(1));
static int flash_command_region_info(struct host_cmd_handler_args *args)
{
struct ec_params_flash_region_info *p =
(struct ec_params_flash_region_info *)args->params;
struct ec_response_flash_region_info *r =
(struct ec_response_flash_region_info *)args->response;
switch (p->region) {
case EC_FLASH_REGION_RO:
r->offset = CONFIG_SECTION_RO_OFF;
r->size = CONFIG_SECTION_RO_SIZE;
break;
case EC_FLASH_REGION_RW:
r->offset = CONFIG_SECTION_RW_OFF;
r->size = CONFIG_SECTION_RW_SIZE;
break;
case EC_FLASH_REGION_WP_RO:
r->offset = CONFIG_SECTION_RO_OFF;
r->size = CONFIG_SECTION_RO_SIZE;
break;
default:
return EC_RES_INVALID_PARAM;
}
args->response_size = sizeof(*r);
return EC_RES_SUCCESS;
}
DECLARE_HOST_COMMAND(EC_CMD_FLASH_REGION_INFO,
flash_command_region_info,
EC_VER_MASK(EC_VER_FLASH_REGION_INFO));

26
include/ec_commands.h
View File

@@ -501,6 +501,32 @@ struct ec_response_flash_protect {
* write protect. These commands may be reused with version > 0.
*/
/* Get the region offset/size */
#define EC_CMD_FLASH_REGION_INFO 0x16
#define EC_VER_FLASH_REGION_INFO 1
enum ec_flash_region {
/* Region which holds read-only EC image */
EC_FLASH_REGION_RO,
/* Region which holds rewritable EC image */
EC_FLASH_REGION_RW,
/*
* Region which should be write-protected in the factory (a superset of
* EC_FLASH_REGION_RO)
*/
EC_FLASH_REGION_WP_RO,
};
struct ec_params_flash_region_info {
uint32_t region; /* enum ec_flash_region */
} __packed;
struct ec_response_flash_region_info {
uint32_t offset;
uint32_t size;
} __packed;
/*****************************************************************************/
/* PWM commands */