From: Michael Liebert <lieb...@ibv-augsburg.de>
Currently only the PADCFG registers of the main domain are unlocked.
Also unlock PADCFG registers of MCU domain, so MCU pin muxing can be configured
by u-boot or Linux.
Signed-off-by: Michael Liebert <lieb...@ibv-augsburg.de>
Tested-by: Christian Gmeiner <christian.gmei...@gmail.com>
---
arch/arm/mach-k3/am642_init.c | 3 +++
arch/arm/mach-k3/include/mach/am64_hardware.h | 2 ++
2 files changed, 5 insertions(+)
diff --git a/arch/arm/mach-k3/am642_init.c b/arch/arm/mach-k3/am642_init.c
index 533905daeb..958fa05af4 100644
--- a/arch/arm/mach-k3/am642_init.c
+++ b/arch/arm/mach-k3/am642_init.c
@@ -37,6 +37,9 @@ static void ctrl_mmr_unlock(void)
mmr_unlock(CTRL_MMR0_BASE, 3);
mmr_unlock(CTRL_MMR0_BASE, 5);
mmr_unlock(CTRL_MMR0_BASE, 6);
+
+ /* Unlock all MCU_PADCFG_MMR1 module registers */
+ mmr_unlock(MCU_PADCFG_MMR1_BASE, 1);
}
/*
diff --git a/arch/arm/mach-k3/include/mach/am64_hardware.h
b/arch/arm/mach-k3/include/mach/am64_hardware.h
index 96383437d5..e06e1f9532 100644
--- a/arch/arm/mach-k3/include/mach/am64_hardware.h
+++ b/arch/arm/mach-k3/include/mach/am64_hardware.h
@@ -12,6 +12,8 @@
#define PADCFG_MMR1_BASE 0xf0000
+#define MCU_PADCFG_MMR1_BASE 0x04080000
+
#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_MASK 0x00000078
#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_SHIFT 3
--
2.33.1
