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cros_ec: Add function to read back flash parameters

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Add support for reading back flash parameters as reported by
the ec.

Signed-off-by: Moritz Fischer <moritz.fischer@ettus.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: u-boot@lists.denx.de
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Moritz Fischer 2016-09-13 14:44:48 -07:00 committed by sjg
parent 2880e6b5e2
commit 281ca88fab
1 changed files with 21 additions and 0 deletions
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21
drivers/misc/cros_ec.c
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@ -790,6 +790,27 @@ static int cros_ec_data_is_erased(const uint32_t *data, int size)
return 1;
}
/**
* Read back flash parameters
*
* This function reads back parameters of the flash as reported by the EC
*
* @param dev Pointer to device
* @param info Pointer to output flash info struct
*/
int cros_ec_read_flashinfo(struct cros_ec_dev *dev,
struct ec_response_flash_info *info)
{
int ret;
ret = ec_command(dev, EC_CMD_FLASH_INFO, 0,
NULL, 0, info, sizeof(*info));
if (ret < 0)
return ret;
return ret < sizeof(*info) ? -1 : 0;
}
int cros_ec_flash_write(struct cros_ec_dev *dev, const uint8_t *data,
uint32_t offset, uint32_t size)
{