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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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0a43cd3b1c
Move debug uart code from mach-pxa/mach-mmp to debug directory. Since they are similar, merge them together. Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org> Acked-by: Eric Mico <eric.y.miao@gmail.com>
34 lines
966 B
ArmAsm
34 lines
966 B
ArmAsm
/*
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* Early serial output macro for Marvell PXA/MMP SoC
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*
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* Copyright (C) 1994-1999 Russell King
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* Moved from linux/arch/arm/kernel/debug.S by Ben Dooks
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*
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* Copyright (C) 2013 Haojian Zhuang
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#if defined(CONFIG_DEBUG_PXA_UART1)
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#define PXA_UART_REG_PHYS_BASE 0x40100000
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#define PXA_UART_REG_VIRT_BASE 0xf2100000
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#elif defined(CONFIG_DEBUG_MMP_UART2)
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#define PXA_UART_REG_PHYS_BASE 0xd4017000
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#define PXA_UART_REG_VIRT_BASE 0xfe017000
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#elif defined(CONFIG_DEBUG_MMP_UART3)
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#define PXA_UART_REG_PHYS_BASE 0xd4018000
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#define PXA_UART_REG_VIRT_BASE 0xfe018000
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#else
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#error "Select uart for DEBUG_LL"
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#endif
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.macro addruart, rp, rv, tmp
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ldr \rp, =PXA_UART_REG_PHYS_BASE
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ldr \rv, =PXA_UART_REG_VIRT_BASE
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.endm
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#define UART_SHIFT 2
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#include <asm/hardware/debug-8250.S>
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