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Diffstat (limited to 'arch/arm/mach-k3/am62px/am62p5_init.c')
-rw-r--r--arch/arm/mach-k3/am62px/am62p5_init.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/am62px/am62p5_init.c b/arch/arm/mach-k3/am62px/am62p5_init.c
index 7a24cf39c7b..14a46fa28d2 100644
--- a/arch/arm/mach-k3/am62px/am62p5_init.c
+++ b/arch/arm/mach-k3/am62px/am62p5_init.c
@@ -19,6 +19,9 @@
/* TISCI DEV ID for A53 Clock */
#define AM62PX_DEV_A53SS0_CORE_0_DEV_ID 135
+#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 },
};
@@ -127,6 +130,15 @@ static void fixup_a53_cpu_freq_by_speed_grade(void)
}
#endif
+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;
@@ -218,6 +230,20 @@ 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();