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arm: mach-k3: am642_init: Unlock MCU PADCFG regs

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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 <liebert@ibv-augsburg.de>
Tested-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Acked-by: Nishanth Menon <nm@ti.com>
This commit is contained in:
Michael Liebert
2021-12-15 16:14:28 +01:00
committed by Tom Rini
parent d71dbe657c
commit 67c8678346
2 changed files with 5 additions and 0 deletions
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3
arch/arm/mach-k3/am642_init.c
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@@ -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);
}
/*

2
arch/arm/mach-k3/include/mach/am64_hardware.h
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@@ -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