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Stephen Boyda3d3ef92011-11-08 10:33:04 -08001/*
Russell Kinga09e64f2008-08-05 16:14:15 +01002 * Copyright (C) 2007 Google, Inc.
Stephen Boyda3d3ef92011-11-08 10:33:04 -08003 * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
Russell Kinga09e64f2008-08-05 16:14:15 +01004 *
5 * This software is licensed under the terms of the GNU General Public
6 * License version 2, as published by the Free Software Foundation, and
7 * may be copied, distributed, and modified under those terms.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 */
15
16#ifndef __ASM_ARCH_MSM_UNCOMPRESS_H
Stephen Boyda3d3ef92011-11-08 10:33:04 -080017#define __ASM_ARCH_MSM_UNCOMPRESS_H
Russell Kinga09e64f2008-08-05 16:14:15 +010018
Stephen Boyda3d3ef92011-11-08 10:33:04 -080019#include <asm/processor.h>
20#include <mach/msm_iomap.h>
21
22#define UART_CSR (*(volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x08))
23#define UART_TF (*(volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x0c))
24
25#define UART_DM_SR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x08)))
26#define UART_DM_CR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x10)))
27#define UART_DM_ISR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x14)))
28#define UART_DM_NCHAR (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x40)))
29#define UART_DM_TF (*((volatile uint32_t *)(MSM_DEBUG_UART_PHYS + 0x70)))
Russell Kinga09e64f2008-08-05 16:14:15 +010030
31static void putc(int c)
32{
Pavel Machek6339f662009-11-02 11:48:29 +010033#if defined(MSM_DEBUG_UART_PHYS)
Stephen Boyda3d3ef92011-11-08 10:33:04 -080034#ifdef CONFIG_MSM_HAS_DEBUG_UART_HS
35 /*
36 * Wait for TX_READY to be set; but skip it if we have a
37 * TX underrun.
38 */
39 if (UART_DM_SR & 0x08)
40 while (!(UART_DM_ISR & 0x80))
41 cpu_relax();
42
43 UART_DM_CR = 0x300;
44 UART_DM_NCHAR = 0x1;
45 UART_DM_TF = c;
46#else
47 while (!(UART_CSR & 0x04))
48 cpu_relax();
49 UART_TF = c;
50#endif
Pavel Machek6339f662009-11-02 11:48:29 +010051#endif
Russell Kinga09e64f2008-08-05 16:14:15 +010052}
53
54static inline void flush(void)
55{
56}
57
58static inline void arch_decomp_setup(void)
59{
60}
61
62static inline void arch_decomp_wdog(void)
63{
64}
65
66#endif