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-rw-r--r--arch/arm/mach-k3/am62ax/am62a7_init.c26
-rw-r--r--arch/arm/mach-k3/am62px/am62p5_init.c26
2 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/am62ax/am62a7_init.c b/arch/arm/mach-k3/am62ax/am62a7_init.c
index 78153c97a58..698e6d5c587 100644
--- a/arch/arm/mach-k3/am62ax/am62a7_init.c
+++ b/arch/arm/mach-k3/am62ax/am62a7_init.c
@@ -15,6 +15,9 @@
#include "../sysfw-loader.h"
#include "../common.h"
+#define CTRLMMR_MCU_RST_CTRL 0x04518170
+#define RST_CTRL_ESM_ERROR_RST_EN_Z_MASK 0xFFFDFFFF
+
struct fwl_data cbass_main_fwls[] = {
{ "FSS_DAT_REG3", 7, 8 },
};
@@ -70,6 +73,15 @@ static void ctrl_mmr_unlock(void)
mmr_unlock(PADCFG_MMR1_BASE, 1);
}
+static __maybe_unused void enable_mcu_esm_reset(void)
+{
+ /* Set CTRLMMR_MCU_RST_CTRL:MCU_ESM_ERROR_RST_EN_Z to '0' (low active) */
+ u32 stat = readl(CTRLMMR_MCU_RST_CTRL);
+
+ stat &= RST_CTRL_ESM_ERROR_RST_EN_Z_MASK;
+ writel(stat, CTRLMMR_MCU_RST_CTRL);
+}
+
void board_init_f(ulong dummy)
{
struct udevice *dev;
@@ -160,6 +172,20 @@ void board_init_f(ulong dummy)
/* Output System Firmware version info */
k3_sysfw_print_ver();
+ if (IS_ENABLED(CONFIG_ESM_K3)) {
+ /* Probe/configure ESM0 */
+ ret = uclass_get_device_by_name(UCLASS_MISC, "esm@420000", &dev);
+ if (ret)
+ printf("esm main init failed: %d\n", ret);
+
+ /* Probe/configure MCUESM */
+ ret = uclass_get_device_by_name(UCLASS_MISC, "esm@4100000", &dev);
+ if (ret)
+ printf("esm mcu init failed: %d\n", ret);
+
+ enable_mcu_esm_reset();
+ }
+
#if defined(CONFIG_K3_AM62A_DDRSS)
ret = uclass_get_device(UCLASS_RAM, 0, &dev);
if (ret)
diff --git a/arch/arm/mach-k3/am62px/am62p5_init.c b/arch/arm/mach-k3/am62px/am62p5_init.c
index 2d35a7ce77e..36216aac90c 100644
--- a/arch/arm/mach-k3/am62px/am62p5_init.c
+++ b/arch/arm/mach-k3/am62px/am62p5_init.c
@@ -15,6 +15,9 @@
#include "../sysfw-loader.h"
#include "../common.h"
+#define CTRLMMR_MCU_RST_CTRL 0x04518170
+#define RST_CTRL_ESM_ERROR_RST_EN_Z_MASK 0xFFFDFFFF
+
struct fwl_data cbass_main_fwls[] = {
{ "FSS_DAT_REG3", 7, 8 },
};
@@ -67,6 +70,15 @@ static void ctrl_mmr_unlock(void)
mmr_unlock(PADCFG_MMR1_BASE, 1);
}
+static __maybe_unused void enable_mcu_esm_reset(void)
+{
+ /* Set CTRLMMR_MCU_RST_CTRL:MCU_ESM_ERROR_RST_EN_Z to '0' (low active) */
+ u32 stat = readl(CTRLMMR_MCU_RST_CTRL);
+
+ stat &= RST_CTRL_ESM_ERROR_RST_EN_Z_MASK;
+ writel(stat, CTRLMMR_MCU_RST_CTRL);
+}
+
void board_init_f(ulong dummy)
{
struct udevice *dev;
@@ -158,6 +170,20 @@ void board_init_f(ulong dummy)
panic("DRAM init failed: %d\n", ret);
}
+ if (IS_ENABLED(CONFIG_ESM_K3)) {
+ /* Probe/configure ESM0 */
+ ret = uclass_get_device_by_name(UCLASS_MISC, "esm@420000", &dev);
+ if (ret)
+ printf("esm main init failed: %d\n", ret);
+
+ /* Probe/configure MCUESM */
+ ret = uclass_get_device_by_name(UCLASS_MISC, "esm@4100000", &dev);
+ if (ret)
+ printf("esm mcu init failed: %d\n", ret);
+
+ enable_mcu_esm_reset();
+ }
+
spl_enable_cache();
setup_qos();