diff options
author | Ben Dooks <ben-linux@fluff.org> | 2007-02-11 12:31:01 -0500 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-02-11 12:36:09 -0500 |
commit | a21765a70ec06be175d3997320a83fa66fcc8955 (patch) | |
tree | 24bdbf437a9bd5b7c1af05898f5aa25dccf67fe9 /arch/arm/mach-s3c2440/dsc.c | |
parent | d19494b187b20e363f9b434b9ceab4159ac88324 (diff) |
[ARM] 4157/2: S3C24XX: move arch/arch/mach-s3c2410 into cpu components
The following patch and script moves the arch/arm/mach-s3c2410
directory into arch/arm/plat-s3c24xx for the generic core code
and inti arch/arm/mach-s3c{cpu} for the cpu/machine support files
Include directory include/asm-arm/plat-s3c24xx is added for the
core include files.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-s3c2440/dsc.c')
-rw-r--r-- | arch/arm/mach-s3c2440/dsc.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c2440/dsc.c b/arch/arm/mach-s3c2440/dsc.c new file mode 100644 index 000000000000..2995ff5681bb --- /dev/null +++ b/arch/arm/mach-s3c2440/dsc.c | |||
@@ -0,0 +1,54 @@ | |||
1 | /* linux/arch/arm/mach-s3c2440/dsc.c | ||
2 | * | ||
3 | * Copyright (c) 2004-2005 Simtec Electronics | ||
4 | * Ben Dooks <ben@simtec.co.uk> | ||
5 | * | ||
6 | * Samsung S3C2440 Drive Strength Control support | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | */ | ||
12 | |||
13 | #include <linux/kernel.h> | ||
14 | #include <linux/types.h> | ||
15 | #include <linux/interrupt.h> | ||
16 | #include <linux/init.h> | ||
17 | #include <linux/module.h> | ||
18 | |||
19 | #include <asm/mach/arch.h> | ||
20 | #include <asm/mach/map.h> | ||
21 | #include <asm/mach/irq.h> | ||
22 | |||
23 | #include <asm/hardware.h> | ||
24 | #include <asm/io.h> | ||
25 | #include <asm/irq.h> | ||
26 | |||
27 | #include <asm/arch/regs-gpio.h> | ||
28 | #include <asm/arch/regs-dsc.h> | ||
29 | |||
30 | #include <asm/plat-s3c24xx/cpu.h> | ||
31 | #include <asm/plat-s3c24xx/s3c2440.h> | ||
32 | |||
33 | int s3c2440_set_dsc(unsigned int pin, unsigned int value) | ||
34 | { | ||
35 | void __iomem *base; | ||
36 | unsigned long val; | ||
37 | unsigned long flags; | ||
38 | unsigned long mask; | ||
39 | |||
40 | base = (pin & S3C2440_SELECT_DSC1) ? S3C2440_DSC1 : S3C2440_DSC0; | ||
41 | mask = 3 << S3C2440_DSC_GETSHIFT(pin); | ||
42 | |||
43 | local_irq_save(flags); | ||
44 | |||
45 | val = __raw_readl(base); | ||
46 | val &= ~mask; | ||
47 | val |= value & mask; | ||
48 | __raw_writel(val, base); | ||
49 | |||
50 | local_irq_restore(flags); | ||
51 | return 0; | ||
52 | } | ||
53 | |||
54 | EXPORT_SYMBOL(s3c2440_set_dsc); | ||