xref: /openbmc/linux/arch/arm/include/debug/exynos.S (revision 12eb4683)
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>
40