Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
[linux-2.6-block.git] / arch / arm / mach-realview / include / mach / uncompress.h
CommitLineData
8ad68bbf 1/*
a09e64fb 2 * arch/arm/mach-realview/include/mach/uncompress.h
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3 *
4 * Copyright (C) 2003 ARM Limited
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
a09e64fb 20#include <mach/hardware.h>
9a386f06 21#include <asm/mach-types.h>
8ad68bbf 22
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23#include <mach/board-eb.h>
24#include <mach/board-pb11mp.h>
25#include <mach/board-pb1176.h>
e7c70825 26#include <mach/board-pba8.h>
356cb470 27
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28#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
29#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
30#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
31#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
32
33/*
34 * Return the UART base address
35 */
36static inline unsigned long get_uart_base(void)
37{
38 if (machine_is_realview_eb())
39 return REALVIEW_EB_UART0_BASE;
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40 else if (machine_is_realview_pb11mp())
41 return REALVIEW_PB11MP_UART0_BASE;
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42 else if (machine_is_realview_pb1176())
43 return REALVIEW_PB1176_UART0_BASE;
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44 else if (machine_is_realview_pba8())
45 return REALVIEW_PBA8_UART0_BASE;
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46 else
47 return 0;
48}
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49
50/*
51 * This does not append a newline
52 */
a081568d 53static inline void putc(int c)
8ad68bbf 54{
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55 unsigned long base = get_uart_base();
56
57 while (AMBA_UART_FR(base) & (1 << 5))
a081568d 58 barrier();
8ad68bbf 59
9a386f06 60 AMBA_UART_DR(base) = c;
a081568d 61}
8ad68bbf 62
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63static inline void flush(void)
64{
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65 unsigned long base = get_uart_base();
66
67 while (AMBA_UART_FR(base) & (1 << 3))
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68 barrier();
69}
70
71/*
72 * nothing to do
73 */
74#define arch_decomp_setup()
75#define arch_decomp_wdog()