[PATCH V4 35/49] imx: imx9: Support multiple env storages at runtime

[Peng Fan (OSS)]

From: Ye Li <ye.li at nxp.com>

Select env storages according to boot device at runtime

Signed-off-by: Ye Li <ye.li at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/mach-imx/imx9/soc.c | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/arch/arm/mach-imx/imx9/soc.c b/arch/arm/mach-imx/imx9/soc.c
index ca88271564c..797d7a802ba 100644
--- a/arch/arm/mach-imx/imx9/soc.c
+++ b/arch/arm/mach-imx/imx9/soc.c
@@ -288,6 +288,40 @@ int timer_init(void)
 	return 0;
 }
 
+enum env_location env_get_location(enum env_operation op, int prio)
+{
+	enum boot_device dev = get_boot_device();
+	enum env_location env_loc = ENVL_UNKNOWN;
+
+	if (prio)
+		return env_loc;
+
+	switch (dev) {
+#if defined(CONFIG_ENV_IS_IN_SPI_FLASH)
+	case QSPI_BOOT:
+		env_loc = ENVL_SPI_FLASH;
+		break;
+#endif
+#if defined(CONFIG_ENV_IS_IN_MMC)
+	case SD1_BOOT:
+	case SD2_BOOT:
+	case SD3_BOOT:
+	case MMC1_BOOT:
+	case MMC2_BOOT:
+	case MMC3_BOOT:
+		env_loc =  ENVL_MMC;
+		break;
+#endif
+	default:
+#if defined(CONFIG_ENV_IS_NOWHERE)
+		env_loc = ENVL_NOWHERE;
+#endif
+		break;
+	}
+
+	return env_loc;
+}
+
 static int mix_power_init(enum mix_power_domain pd)
 {
 	enum src_mix_slice_id mix_id;
-- 
2.36.0