[PATCH 1/3] board: ti: j721s2: Initialize the ESM & PMIC ESM

Udit Kumar
2024-11-26T05:34:58Z

From: Keerthy <j-keerthy@ti.com>

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>
---
board/ti/j721s2/evm.c | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/board/ti/j721s2/evm.c b/board/ti/j721s2/evm.c
index 2cfeb3bec6c..9bcf67b7bfb 100644
--- 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);
+ }
}
--
2.34.1