diff options
Diffstat (limited to 'arch/arm/include/debug/exynos.S')
-rw-r--r-- | arch/arm/include/debug/exynos.S | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/include/debug/exynos.S b/arch/arm/include/debug/exynos.S new file mode 100644 index 000000000000..b17fdb7fbd34 --- /dev/null +++ b/arch/arm/include/debug/exynos.S | |||
@@ -0,0 +1,39 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. | ||
3 | * http://www.samsung.com | ||
4 | * | ||
5 | * This program is free software; you can redistribute it and/or modify | ||
6 | * it under the terms of the GNU General Public License version 2 as | ||
7 | * published by the Free Software Foundation. | ||
8 | */ | ||
9 | |||
10 | /* pull in the relevant register and map files. */ | ||
11 | |||
12 | #define S3C_ADDR_BASE 0xF6000000 | ||
13 | #define S3C_VA_UART S3C_ADDR_BASE + 0x01000000 | ||
14 | #define EXYNOS4_PA_UART 0x13800000 | ||
15 | #define EXYNOS5_PA_UART 0x12C00000 | ||
16 | |||
17 | /* note, for the boot process to work we have to keep the UART | ||
18 | * virtual address aligned to an 1MiB boundary for the L1 | ||
19 | * mapping the head code makes. We keep the UART virtual address | ||
20 | * aligned and add in the offset when we load the value here. | ||
21 | */ | ||
22 | |||
23 | .macro addruart, rp, rv, tmp | ||
24 | mrc p15, 0, \tmp, c0, c0, 0 | ||
25 | and \tmp, \tmp, #0xf0 | ||
26 | teq \tmp, #0xf0 @@ A15 | ||
27 | ldreq \rp, =EXYNOS5_PA_UART | ||
28 | movne \rp, #EXYNOS4_PA_UART @@ EXYNOS4 | ||
29 | ldr \rv, =S3C_VA_UART | ||
30 | #if CONFIG_DEBUG_S3C_UART != 0 | ||
31 | add \rp, \rp, #(0x10000 * CONFIG_DEBUG_S3C_UART) | ||
32 | add \rv, \rv, #(0x10000 * CONFIG_DEBUG_S3C_UART) | ||
33 | #endif | ||
34 | .endm | ||
35 | |||
36 | #define fifo_full fifo_full_s5pv210 | ||
37 | #define fifo_level fifo_level_s5pv210 | ||
38 | |||
39 | #include <debug/samsung.S> | ||