board: ti: j721s2: Initialize the ESM & PMIC ESM

Initialize the 3 instances of SOC ESM & PMIC ESM.
This is needed for watchdog functionality.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Udit Kumar <u-kumar1@ti.com>

diff --git a/board/ti/j721s2/evm.c b/board/ti/j721s2/evm.c
index 2cfeb3b..9bcf67b 100644 (file)
--- a/board/ti/j721s2/evm.c
+++ b/board/ti/j721s2/evm.c
@@ -326,4 +326,27 @@ int board_late_init(void)
 
 void spl_board_init(void)
 {
+       struct udevice *dev;
+       int ret;
+
+       if (IS_ENABLED(CONFIG_ESM_K3)) {
+               const char * const esms[] = {"esm@700000", "esm@40800000", "esm@42080000"};
+
+               for (int i = 0; i < ARRAY_SIZE(esms); ++i) {
+                       ret = uclass_get_device_by_name(UCLASS_MISC, esms[i],
+                                                       &dev);
+                       if (ret) {
+                               printf("MISC init for %s failed: %d\n", esms[i], ret);
+                               break;
+                       }
+               }
+       }
+
+       if (IS_ENABLED(CONFIG_ESM_PMIC) && ret == 0) {
+               ret = uclass_get_device_by_driver(UCLASS_MISC,
+                                                 DM_DRIVER_GET(pmic_esm),
+                                                 &dev);
+               if (ret)
+                       printf("ESM PMIC init failed: %d\n", ret);
+       }
 }