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authorAaron Durbin <adurbin@chromium.org>2017-12-14 14:34:47 -0700
committerAaron Durbin <adurbin@chromium.org>2017-12-15 23:35:10 +0000
commit10d65b06aebbd857759c278a18c7e9e0ba70ee6c (patch)
treee23f541b7fbcdd5548b98d400c6b60c75c97d489 /src/include/spi-generic.h
parent02103e34d76c12b46b57143cd11d96758219423d (diff)
drivers/spi/spi_flash: add flash region protection to controller
Provide a spi controller specific protection callback to take advantage of special spi flash controllers that have internal protection registers built into the implementation. It's an optional callback for spi controllers. BUG=b:69614064 Change-Id: Ie50a6ce3bbda32620a25dd26fda1af944940bf28 Signed-off-by: Aaron Durbn <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/22879 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
Diffstat (limited to 'src/include/spi-generic.h')
-rw-r--r--src/include/spi-generic.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/spi-generic.h b/src/include/spi-generic.h
index 783df0b917..a3298f8376 100644
--- a/src/include/spi-generic.h
+++ b/src/include/spi-generic.h
@@ -16,6 +16,7 @@
#ifndef _SPI_GENERIC_H_
#define _SPI_GENERIC_H_
+#include <commonlib/region.h>
#include <stdint.h>
#include <stddef.h>
@@ -115,6 +116,7 @@ struct spi_flash;
*
* flash_probe: Specialized probe function provided by SPI flash
* controllers.
+ * flash_protect: Protect a region of flash using the SPI flash controller.
*/
struct spi_ctrlr {
int (*claim_bus)(const struct spi_slave *slave);
@@ -128,6 +130,8 @@ struct spi_ctrlr {
bool deduct_cmd_len;
int (*flash_probe)(const struct spi_slave *slave,
struct spi_flash *flash);
+ int (*flash_protect)(const struct spi_flash *flash,
+ const struct region *region);
};
/*-----------------------------------------------------------------------