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ARM: S3C64XX: Use S3C64XX_SDMA_SEL register name instead of numeric address

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This patch adds a definition of S3C64XX_SDMA_SEL register and modifies
the s3c64xx DMA driver to use it instead of a magic register address.

Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Tomasz Figa 2011-08-23 11:33:08 +09:00 committed by Kukjin Kim
parent 8c051ab47b
commit 6d8d492ef7
2 changed files with 3 additions and 1 deletions
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2
arch/arm/mach-s3c64xx/dma.c
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@ -740,7 +740,7 @@ static int __init s3c64xx_dma_init(void)
}
/* Set all DMA configuration to be DMA, not SDMA */
writel(0xffffff, S3C_SYSREG(0x110));
writel(0xffffff, S3C64XX_SDMA_SEL);
/* Register standard DMA controllers */
s3c64xx_dma_init1(0, DMACH_UART0, IRQ_DMA0, 0x75000000);

2
arch/arm/mach-s3c64xx/include/mach/regs-sys.h
View file

@ -21,6 +21,8 @@
#define S3C64XX_AHB_CON1 S3C_SYSREG(0x104)
#define S3C64XX_AHB_CON2 S3C_SYSREG(0x108)
#define S3C64XX_SDMA_SEL S3C_SYSREG(0x110)
#define S3C64XX_OTHERS S3C_SYSREG(0x900)
#define S3C64XX_OTHERS_USBMASK (1 << 16)