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AM654 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: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Andreas Dannenberg <dannenberg@ti.com> Signed-off-by: Vignesh R <vigneshr@ti.com> Reviewed-by: Tom Rini <trini@konsulko.com>
37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
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* Lokesh Vutla <lokeshvutla@ti.com>
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*/
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#ifndef _ASM_ARCH_AM6_SPL_H_
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#define _ASM_ARCH_AM6_SPL_H_
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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_HYPERFLASH 0x03
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#define BOOT_DEVICE_SPI 0x04
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#define BOOT_DEVICE_I2C 0x05
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#define BOOT_DEVICE_MMC2 0x06
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#define BOOT_DEVICE_ETHERNET 0x07
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#define BOOT_DEVICE_USB 0x08
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#define BOOT_DEVICE_PCIE 0x09
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#define BOOT_DEVICE_UART 0x0a
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#define BOOT_DEVICE_NAND 0x0c
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#define BOOT_DEVICE_MMC1 0x0d
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#define BOOT_DEVICE_MMC2_2 0x0e
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#define BACKUP_BOOT_DEVICE_RAM 0x0
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#define BACKUP_BOOT_DEVICE_USB 0x1
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#define BACKUP_BOOT_DEVICE_UART 0x2
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#define BACKUP_BOOT_DEVICE_ETHERNET 0x3
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#define BACKUP_BOOT_DEVICE_MMC2 0x4
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#define BACKUP_BOOT_DEVICE_SPI 0x5
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#define BACKUP_BOOT_DEVICE_HYPERFLASH 0x6
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#define BACKUP_BOOT_DEVICE_I2C 0x7
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#define K3_PRIMARY_BOOTMODE 0x0
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#define K3_BACKUP_BOOTMODE 0x1
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#endif
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