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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-02-11 16:44:53 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-02 04:35:38 -0400
commitceade897f31b8bb66f378cc35859fcfd0d46aaa2 (patch)
tree44f6fffb4f93ec6247b468e4009e414b4124f585 /arch/arm/mach-vexpress/include/mach/uncompress.h
parent9bf5b2ef673237e0e43161c56f70ac8bf24e43f9 (diff)
ARM: Add Versatile Express support
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-vexpress/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-vexpress/include/mach/uncompress.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-vexpress/include/mach/uncompress.h b/arch/arm/mach-vexpress/include/mach/uncompress.h
new file mode 100644
index 000000000000..7972c5748d0e
--- /dev/null
+++ b/arch/arm/mach-vexpress/include/mach/uncompress.h
@@ -0,0 +1,52 @@
1/*
2 * arch/arm/mach-vexpress/include/mach/uncompress.h
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 */
20#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
21#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
22#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
23#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
24
25#define get_uart_base() (0x10000000 + 0x00009000)
26
27/*
28 * This does not append a newline
29 */
30static inline void putc(int c)
31{
32 unsigned long base = get_uart_base();
33
34 while (AMBA_UART_FR(base) & (1 << 5))
35 barrier();
36
37 AMBA_UART_DR(base) = c;
38}
39
40static inline void flush(void)
41{
42 unsigned long base = get_uart_base();
43
44 while (AMBA_UART_FR(base) & (1 << 3))
45 barrier();
46}
47
48/*
49 * nothing to do
50 */
51#define arch_decomp_setup()
52#define arch_decomp_wdog()