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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-05 11:14:15 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 04:55:48 -0400
commita09e64fbc0094e3073dbb09c3b4bfe4ab669244b (patch)
tree69689f467179891b498bd7423fcf61925173db31 /arch/arm/mach-s3c2410/include/mach/uncompress.h
parenta1b81a84fff05dbfef45b7012c26e1fee9973e5d (diff)
[ARM] Move include/asm-arm/arch-* to arch/arm/*/include/mach
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-s3c2410/include/mach/uncompress.h')
-rw-r--r--arch/arm/mach-s3c2410/include/mach/uncompress.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2410/include/mach/uncompress.h b/arch/arm/mach-s3c2410/include/mach/uncompress.h
new file mode 100644
index 000000000000..708e47459ffc
--- /dev/null
+++ b/arch/arm/mach-s3c2410/include/mach/uncompress.h
@@ -0,0 +1,52 @@
1/* arch/arm/mach-s3c2410/include/mach/uncompress.h
2 *
3 * Copyright (c) 2003, 2007 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 *
7 * S3C2410 - uncompress code
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
12*/
13
14#ifndef __ASM_ARCH_UNCOMPRESS_H
15#define __ASM_ARCH_UNCOMPRESS_H
16
17#include <mach/regs-gpio.h>
18#include <mach/map.h>
19
20/* working in physical space... */
21#undef S3C2410_GPIOREG
22#define S3C2410_GPIOREG(x) ((S3C24XX_PA_GPIO + (x)))
23
24#include <asm/plat-s3c/uncompress.h>
25
26static inline int is_arm926(void)
27{
28 unsigned int cpuid;
29
30 asm volatile ("mrc p15, 0, %0, c1, c0, 0" : "=r" (cpuid));
31
32 return ((cpuid & 0xff0) == 0x260);
33}
34
35static void arch_detect_cpu(void)
36{
37 unsigned int cpuid;
38
39 cpuid = *((volatile unsigned int *)S3C2410_GSTATUS1);
40 cpuid &= S3C2410_GSTATUS1_IDMASK;
41
42 if (is_arm926() || cpuid == S3C2410_GSTATUS1_2440 ||
43 cpuid == S3C2410_GSTATUS1_2442) {
44 fifo_mask = S3C2440_UFSTAT_TXMASK;
45 fifo_max = 63 << S3C2440_UFSTAT_TXSHIFT;
46 } else {
47 fifo_mask = S3C2410_UFSTAT_TXMASK;
48 fifo_max = 15 << S3C2410_UFSTAT_TXSHIFT;
49 }
50}
51
52#endif /* __ASM_ARCH_UNCOMPRESS_H */