u-boot/arch/arm/mach-k3/include/mach/am64_hardware.h
Michael Liebert 67c8678346 arm: mach-k3: am642_init: Unlock MCU PADCFG regs
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>
2022-01-15 10:38:26 -05:00

60 lines
1.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* K3: AM64 SoC definitions, structures etc.
*
* (C) Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
*/
#ifndef __ASM_ARCH_AM64_HARDWARE_H
#define __ASM_ARCH_AM64_HARDWARE_H
#define CTRL_MMR0_BASE 0x43000000
#define CTRLMMR_MAIN_DEVSTAT (CTRL_MMR0_BASE + 0x30)
#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
#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_MASK 0x00000380
#define MAIN_DEVSTAT_PRIMARY_BOOTMODE_CFG_SHIFT 7
#define MAIN_DEVSTAT_BACKUP_BOOTMODE_MASK 0x00001c00
#define MAIN_DEVSTAT_BACKUP_BOOTMODE_SHIFT 10
#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_MASK 0x00002000
#define MAIN_DEVSTAT_BACKUP_BOOTMODE_CFG_SHIFT 13
/* After the cfg mask and shifts have been applied */
#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_SHIFT 2
#define MAIN_DEVSTAT_PRIMARY_MMC_PORT_MASK 0x04
#define MAIN_DEVSTAT_PRIMARY_USB_MODE_SHIFT 1
#define MAIN_DEVSTAT_PRIMARY_USB_MODE_MASK 0x02
#define MAIN_DEVSTAT_BACKUP_USB_MODE_MASK 0x01
/*
* The CTRL_MMR and PADCFG_MMR memory space is divided into several
* equally-spaced partitions, so defining the partition size allows us to
* determine register addresses common to those partitions.
*/
#define CTRL_MMR0_PARTITION_SIZE 0x4000
/*
* CTRL_MMR and PADCFG_MMR lock/kick-mechanism shared register definitions.
*/
#define CTRLMMR_LOCK_KICK0 0x01008
#define CTRLMMR_LOCK_KICK0_UNLOCK_VAL 0x68ef3490
#define CTRLMMR_LOCK_KICK0_UNLOCKED_MASK BIT(0)
#define CTRLMMR_LOCK_KICK0_UNLOCKED_SHIFT 0
#define CTRLMMR_LOCK_KICK1 0x0100c
#define CTRLMMR_LOCK_KICK1_UNLOCK_VAL 0xd172bc5a
#define ROM_ENTENDED_BOOT_DATA_INFO 0x701beb00
/* Use Last 2K as Scratch pad */
#define TI_SRAM_SCRATCH_BOARD_EEPROM_START 0x7019f800
#endif /* __ASM_ARCH_DRA8_HARDWARE_H */