forked from Minki/linux
171c067c1a
Actually, the base address of uart is different between EXYNOS4 and EXYNOS5 and this patch enables to support uart for EXYNOS4 and EXYNOS5 SoCs at runtime. Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
41 lines
1.2 KiB
ArmAsm
41 lines
1.2 KiB
ArmAsm
/* linux/arch/arm/mach-exynos4/include/mach/debug-macro.S
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*
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* Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S
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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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/* pull in the relevant register and map files. */
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#include <mach/map.h>
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/* note, for the boot process to work we have to keep the UART
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* virtual address aligned to an 1MiB boundary for the L1
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* mapping the head code makes. We keep the UART virtual address
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* aligned and add in the offset when we load the value here.
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*/
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.macro addruart, rp, rv, tmp
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mov \rp, #0x10000000
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ldr \rp, [\rp, #0x0]
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and \rp, \rp, #0xf00000
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teq \rp, #0x500000 @@ EXYNOS5
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ldreq \rp, =EXYNOS5_PA_UART
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movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4
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ldr \rv, =S3C_VA_UART
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#if CONFIG_DEBUG_S3C_UART != 0
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add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART)
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add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART)
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#endif
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.endm
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#define fifo_full fifo_full_s5pv210
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#define fifo_level fifo_level_s5pv210
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#include <plat/debug-macro.S>
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