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40 lines
1.1 KiB
40 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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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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/* pull in the relevant register and map files. */ |
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#define S3C_ADDR_BASE 0xF6000000 |
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#define S3C_VA_UART S3C_ADDR_BASE + 0x01000000 |
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#define EXYNOS4_PA_UART 0x13800000 |
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#define EXYNOS5_PA_UART 0x12C00000 |
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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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mrc p15, 0, \tmp, c0, c0, 0 |
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and \tmp, \tmp, #0xf0 |
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teq \tmp, #0xf0 @@ A15 |
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beq 100f |
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mrc p15, 0, \tmp, c0, c0, 5 |
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and \tmp, \tmp, #0xf00 |
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teq \tmp, #0x100 @@ A15 + A7 but boot to A7 |
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100: 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 <debug/samsung.S>
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