[PATCH 2/3] ep93xx: IDE driver platform support code
From: Rafal Prylowski <hidden>
Date: 2012-03-29 08:19:19
Also in:
linux-arm-kernel
Signed-off-by: Rafal Prylowski <redacted> Cc: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ryan Mallon <redacted> --- arch/arm/mach-ep93xx/core.c | 36 +++++++++++++++++ arch/arm/mach-ep93xx/include/mach/platform.h | 1 arch/arm/mach-ep93xx/soc.h | 1 3 files changed, 38 insertions(+) Index: linux-2.6/arch/arm/mach-ep93xx/soc.h ===================================================================
--- linux-2.6.orig/arch/arm/mach-ep93xx/soc.h
+++ linux-2.6/arch/arm/mach-ep93xx/soc.h@@ -69,6 +69,7 @@ #define EP93XX_BOOT_ROM_BASE EP93XX_AHB_IOMEM(0x00090000) +#define EP93XX_IDE_PHYS_BASE EP93XX_AHB_PHYS(0x000a0000) #define EP93XX_IDE_BASE EP93XX_AHB_IOMEM(0x000a0000) #define EP93XX_VIC1_BASE EP93XX_AHB_IOMEM(0x000b0000)
Index: linux-2.6/arch/arm/mach-ep93xx/core.c ===================================================================
--- linux-2.6.orig/arch/arm/mach-ep93xx/core.c
+++ linux-2.6/arch/arm/mach-ep93xx/core.c@@ -868,6 +868,42 @@ static struct platform_device ep93xx_wdt .resource = ep93xx_wdt_resources, }; +/************************************************************************* + * EP93xx IDE + *************************************************************************/ +static struct resource ep93xx_ide_resources[] = { + [0] = { + .start = EP93XX_IDE_PHYS_BASE, + .end = EP93XX_IDE_PHYS_BASE + 0xffff, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_EP93XX_EXT3, + .end = IRQ_EP93XX_EXT3, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device ep93xx_ide_device = { + .name = "ep93xx-ide", + .id = -1, + .dev = { + .dma_mask = &ep93xx_ide_device.dev.coherent_dma_mask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .num_resources = ARRAY_SIZE(ep93xx_ide_resources), + .resource = ep93xx_ide_resources, +}; + +void __init ep93xx_register_ide(void) +{ + /* GPIO ports E, G and H used by IDE */ + ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_EONIDE | + EP93XX_SYSCON_DEVCFG_GONIDE | + EP93XX_SYSCON_DEVCFG_HONIDE); + platform_device_register(&ep93xx_ide_device); +} + void __init ep93xx_init_devices(void) { /* Disallow access to MaverickCrunch initially */
Index: linux-2.6/arch/arm/mach-ep93xx/include/mach/platform.h ===================================================================
--- linux-2.6.orig/arch/arm/mach-ep93xx/include/mach/platform.h
+++ linux-2.6/arch/arm/mach-ep93xx/include/mach/platform.h@@ -48,6 +48,7 @@ void ep93xx_register_i2s(void); int ep93xx_i2s_acquire(void); void ep93xx_i2s_release(void); void ep93xx_register_ac97(void); +void ep93xx_register_ide(void); void ep93xx_init_devices(void); extern struct sys_timer ep93xx_timer;