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57dba04afb
AM642 allows for booting from primary or backup boot media. Both media can be chosen individually based on switch settings. ROM looks for a valid image in primary boot media, if not found then looks in backup boot media. In order to pass this boot media information to boot loader, ROM stores a value at a particular address. Add support for reading this information and determining the boot media correctly. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Dave Gerlach <d-gerlach@ti.com>
45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/
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* Keerthy <j-keerthy@ti.com>
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*/
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#ifndef _ASM_ARCH_AM64_SPL_H_
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#define _ASM_ARCH_AM64_SPL_H_
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/* Primary BootMode devices */
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#define BOOT_DEVICE_RAM 0x00
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#define BOOT_DEVICE_OSPI 0x01
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#define BOOT_DEVICE_QSPI 0x02
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#define BOOT_DEVICE_SPI 0x03
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#define BOOT_DEVICE_ETHERNET 0x04
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#define BOOT_DEVICE_ETHERNET_RGMII 0x04
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#define BOOT_DEVICE_ETHERNET_RMII 0x05
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#define BOOT_DEVICE_I2C 0x06
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#define BOOT_DEVICE_UART 0x07
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#define BOOT_DEVICE_MMC 0x08
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#define BOOT_DEVICE_EMMC 0x09
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#define BOOT_DEVICE_USB 0x0A
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#define BOOT_DEVICE_GPMC_NOR 0x0C
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#define BOOT_DEVICE_PCIE 0x0D
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#define BOOT_DEVICE_XSPI 0x0E
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#define BOOT_DEVICE_NOBOOT 0x0F
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#define BOOT_DEVICE_MMC2 0x08
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#define BOOT_DEVICE_MMC1 0x09
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/* INVALID */
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#define BOOT_DEVICE_MMC2_2 0x1F
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/* Backup BootMode devices */
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#define BACKUP_BOOT_DEVICE_USB 0x01
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#define BACKUP_BOOT_DEVICE_UART 0x03
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#define BACKUP_BOOT_DEVICE_ETHERNET 0x04
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#define BACKUP_BOOT_DEVICE_MMC 0x05
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#define BACKUP_BOOT_DEVICE_SPI 0x06
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#define BACKUP_BOOT_DEVICE_I2C 0x07
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#define K3_PRIMARY_BOOTMODE 0x0
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#endif
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