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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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fa3218d859
Currently early kernel messages, i.e., those from uncompression, go to the debugging UART. And if it is enabled in the platform configuration, but not initialized by the bootloader, the machine hangs, waiting for UART status change. Besides, having those messages on another UART - typically the console UART - may be preferrable. This patch allows selecting the UART in kernel configuration. Signed-off-by: Guennadi Liakhovetski <lg@denx.de> Acked-by: Andrew Victor <linux@maxim.org.za> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
106 lines
3.9 KiB
C
106 lines
3.9 KiB
C
/*
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* include/asm-arm/arch-at91/at91sam9261.h
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*
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* Copyright (C) SAN People
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*
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* Common definitions.
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* Based on AT91SAM9261 datasheet revision E. (Preliminary)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#ifndef AT91SAM9261_H
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#define AT91SAM9261_H
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/*
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* Peripheral identifiers/interrupts.
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*/
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#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */
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#define AT91_ID_SYS 1 /* System Peripherals */
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#define AT91SAM9261_ID_PIOA 2 /* Parallel IO Controller A */
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#define AT91SAM9261_ID_PIOB 3 /* Parallel IO Controller B */
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#define AT91SAM9261_ID_PIOC 4 /* Parallel IO Controller C */
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#define AT91SAM9261_ID_US0 6 /* USART 0 */
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#define AT91SAM9261_ID_US1 7 /* USART 1 */
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#define AT91SAM9261_ID_US2 8 /* USART 2 */
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#define AT91SAM9261_ID_MCI 9 /* Multimedia Card Interface */
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#define AT91SAM9261_ID_UDP 10 /* USB Device Port */
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#define AT91SAM9261_ID_TWI 11 /* Two-Wire Interface */
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#define AT91SAM9261_ID_SPI0 12 /* Serial Peripheral Interface 0 */
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#define AT91SAM9261_ID_SPI1 13 /* Serial Peripheral Interface 1 */
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#define AT91SAM9261_ID_SSC0 14 /* Serial Synchronous Controller 0 */
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#define AT91SAM9261_ID_SSC1 15 /* Serial Synchronous Controller 1 */
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#define AT91SAM9261_ID_SSC2 16 /* Serial Synchronous Controller 2 */
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#define AT91SAM9261_ID_TC0 17 /* Timer Counter 0 */
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#define AT91SAM9261_ID_TC1 18 /* Timer Counter 1 */
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#define AT91SAM9261_ID_TC2 19 /* Timer Counter 2 */
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#define AT91SAM9261_ID_UHP 20 /* USB Host port */
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#define AT91SAM9261_ID_LCDC 21 /* LDC Controller */
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#define AT91SAM9261_ID_IRQ0 29 /* Advanced Interrupt Controller (IRQ0) */
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#define AT91SAM9261_ID_IRQ1 30 /* Advanced Interrupt Controller (IRQ1) */
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#define AT91SAM9261_ID_IRQ2 31 /* Advanced Interrupt Controller (IRQ2) */
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/*
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* User Peripheral physical base addresses.
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*/
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#define AT91SAM9261_BASE_TCB0 0xfffa0000
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#define AT91SAM9261_BASE_TC0 0xfffa0000
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#define AT91SAM9261_BASE_TC1 0xfffa0040
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#define AT91SAM9261_BASE_TC2 0xfffa0080
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#define AT91SAM9261_BASE_UDP 0xfffa4000
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#define AT91SAM9261_BASE_MCI 0xfffa8000
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#define AT91SAM9261_BASE_TWI 0xfffac000
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#define AT91SAM9261_BASE_US0 0xfffb0000
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#define AT91SAM9261_BASE_US1 0xfffb4000
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#define AT91SAM9261_BASE_US2 0xfffb8000
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#define AT91SAM9261_BASE_SSC0 0xfffbc000
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#define AT91SAM9261_BASE_SSC1 0xfffc0000
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#define AT91SAM9261_BASE_SSC2 0xfffc4000
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#define AT91SAM9261_BASE_SPI0 0xfffc8000
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#define AT91SAM9261_BASE_SPI1 0xfffcc000
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#define AT91_BASE_SYS 0xffffea00
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/*
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* System Peripherals (offset from AT91_BASE_SYS)
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*/
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#define AT91_SDRAMC (0xffffea00 - AT91_BASE_SYS)
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#define AT91_SMC (0xffffec00 - AT91_BASE_SYS)
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#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS)
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#define AT91_AIC (0xfffff000 - AT91_BASE_SYS)
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#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS)
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#define AT91_PIOA (0xfffff400 - AT91_BASE_SYS)
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#define AT91_PIOB (0xfffff600 - AT91_BASE_SYS)
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#define AT91_PIOC (0xfffff800 - AT91_BASE_SYS)
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#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS)
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#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS)
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#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS)
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#define AT91_RTT (0xfffffd20 - AT91_BASE_SYS)
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#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS)
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#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS)
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#define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS)
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#define AT91_USART0 AT91SAM9261_BASE_US0
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#define AT91_USART1 AT91SAM9261_BASE_US1
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#define AT91_USART2 AT91SAM9261_BASE_US2
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/*
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* Internal Memory.
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*/
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#define AT91SAM9261_SRAM_BASE 0x00300000 /* Internal SRAM base address */
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#define AT91SAM9261_SRAM_SIZE 0x00028000 /* Internal SRAM size (160Kb) */
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#define AT91SAM9261_ROM_BASE 0x00400000 /* Internal ROM base address */
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#define AT91SAM9261_ROM_SIZE SZ_32K /* Internal ROM size (32Kb) */
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#define AT91SAM9261_UHP_BASE 0x00500000 /* USB Host controller */
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#define AT91SAM9261_LCDC_BASE 0x00600000 /* LDC controller */
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#endif
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