refactor(mmc): replace magic value with new PART_CFG_BOOT_PARTITION_NO_ACCESS
Disabling access to the boot partition reverts the MMC to read from the
user area. Add a macro to make this clearer.
Suggested-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Change-Id: I34a5a987980bb4690d08d255f465b11a4697ed5a
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 4917f02..0458733 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -778,7 +778,7 @@
{
int ret;
- ret = mmc_part_switch(0);
+ ret = mmc_part_switch(PART_CFG_BOOT_PARTITION_NO_ACCESS);
if (ret < 0) {
ERROR("Failed to switch to user partition, %d\n", ret);
}
diff --git a/include/drivers/mmc.h b/include/drivers/mmc.h
index c4c5fea..24a5502 100644
--- a/include/drivers/mmc.h
+++ b/include/drivers/mmc.h
@@ -66,6 +66,7 @@
#define EXT_CSD_PART_CONFIG_ACC_MASK GENMASK(2, 0)
#define PART_CFG_BOOT_PARTITION1_ENABLE (U(1) << 3)
#define PART_CFG_BOOT_PARTITION1_ACCESS (U(1) << 0)
+#define PART_CFG_BOOT_PARTITION_NO_ACCESS U(0)
#define PART_CFG_BOOT_PART_EN_MASK GENMASK(5, 3)
#define PART_CFG_BOOT_PART_EN_SHIFT 3
#define PART_CFG_CURRENT_BOOT_PARTITION(x) (((x) & PART_CFG_BOOT_PART_EN_MASK) >> \