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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
428b504e84
The debug UART code defined three different virtual addresses while only one is ever used. Get rid of this, and move the UART remapping to 0xfffe8000 where DTCM reside on some platforms but not on Ux500, so it can be reused moving the UART out of the vmalloc area. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
40 lines
1.0 KiB
ArmAsm
40 lines
1.0 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Debugging macro include header
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*
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* Copyright (C) 2009 ST-Ericsson
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*/
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#if CONFIG_UX500_DEBUG_UART > 2
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#error Invalid Ux500 debug UART
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#endif
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/*
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* DEBUG_LL only works if only one SOC is built in. We don't use #else below
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* in order to get "__UX500_UART redefined" warnings if more than one SOC is
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* built, so that there's some hint during the build that something is wrong.
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*/
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#ifdef CONFIG_UX500_SOC_DB8500
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#define U8500_UART0_PHYS_BASE (0x80120000)
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#define U8500_UART1_PHYS_BASE (0x80121000)
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#define U8500_UART2_PHYS_BASE (0x80007000)
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#define __UX500_PHYS_UART(n) U8500_UART##n##_PHYS_BASE
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#endif
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#if !defined(__UX500_PHYS_UART)
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#error Unknown SOC
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#endif
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#define UX500_PHYS_UART(n) __UX500_PHYS_UART(n)
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#define UART_PHYS_BASE UX500_PHYS_UART(CONFIG_UX500_DEBUG_UART)
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#define UART_VIRT_BASE (0xfff07000)
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.macro addruart, rp, rv, tmp
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ldr \rp, =UART_PHYS_BASE @ no, physical address
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ldr \rv, =UART_VIRT_BASE @ yes, virtual address
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.endm
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#include <debug/pl01x.S>
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