[U-Boot] [PATCH 09/14] stm32mp1: Add env_get_location()

Patrice Chotard
2019-05-10T16:11:26Z

In case of several environment location support, env_get_location
is needed to select the correct location depending of the boot
device .

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
---

board/st/stm32mp1/stm32mp1.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/board/st/stm32mp1/stm32mp1.c b/board/st/stm32mp1/stm32mp1.c
index 316cd48..4f7d24a 100644
--- a/board/st/stm32mp1/stm32mp1.c
+++ b/board/st/stm32mp1/stm32mp1.c
@@ -7,6 +7,7 @@
#include <config.h>
#include <clk.h>
#include <dm.h>
+#include <environment.h>
#include <g_dnl.h>
#include <generic-phy.h>
#include <i2c.h>
@@ -506,6 +507,28 @@ void board_quiesce_devices(void)
setup_led(LEDST_OFF);
}

+enum env_location env_get_location(enum env_operation op, int prio)
+{
+ u32 bootmode = get_bootmode();
+
+ if (prio)
+ return ENVL_UNKNOWN;
+
+ switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
+#ifdef CONFIG_ENV_IS_IN_EXT4
+ case BOOT_FLASH_SD:
+ case BOOT_FLASH_EMMC:
+ return ENVL_EXT4;
+#endif
+#ifdef CONFIG_ENV_IS_IN_UBI
+ case BOOT_FLASH_NAND:
+ return ENVL_UBI;
+#endif
+ default:
+ return ENVL_NOWHERE;
+ }
+}
+
#if defined(CONFIG_ENV_IS_IN_EXT4)
const char *env_ext4_get_intf(void)
{
--
1.9.1