| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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| 2 | /* |
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| 3 | * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. |
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| 4 | * http://www.samsung.com |
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| 5 | */ |
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| 6 | |
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| 7 | /* pull in the relevant register and map files. */ |
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| 8 | |
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| 9 | #define S3C_ADDR_BASE 0xF6000000 |
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| 10 | #define S3C_VA_UART S3C_ADDR_BASE + 0x01000000 |
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| 11 | #define EXYNOS4_PA_UART 0x13800000 |
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| 12 | #define EXYNOS5_PA_UART 0x12C00000 |
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| 13 | |
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| 14 | /* note, for the boot process to work we have to keep the UART |
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| 15 | * virtual address aligned to an 1MiB boundary for the L1 |
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| 16 | * mapping the head code makes. We keep the UART virtual address |
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| 17 | * aligned and add in the offset when we load the value here. |
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| 18 | */ |
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| 19 | |
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| 20 | .macro addruart, rp, rv, tmp |
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| 21 | mrc p15, 0, \tmp, c0, c0, 0 |
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| 22 | and \tmp, \tmp, #0xf0 |
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| 23 | teq \tmp, #0xf0 @@ A15 |
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| 24 | beq 100f |
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| 25 | mrc p15, 0, \tmp, c0, c0, 5 |
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| 26 | and \tmp, \tmp, #0xf00 |
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| 27 | teq \tmp, #0x100 @@ A15 + A7 but boot to A7 |
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| 28 | 100: ldreq \rp, =EXYNOS5_PA_UART |
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| 29 | movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 |
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| 30 | ldr \rv, =S3C_VA_UART |
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| 31 | #if CONFIG_DEBUG_S3C_UART != 0 |
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| 32 | add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) |
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| 33 | add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) |
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| 34 | #endif |
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| 35 | .endm |
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| 36 | |
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| 37 | #define fifo_full fifo_full_s5pv210 |
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| 38 | #define fifo_level fifo_level_s5pv210 |
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| 39 | |
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| 40 | #include <debug/samsung.S> |
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| 41 | |
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