[PATCH] pxa/vpac270: add ide support
Marek Vasut
marek.vasut at gmail.com
Mon Apr 26 15:46:07 EDT 2010
This patch adds support for the on-board IDE channel. I tested this with a CDROM
connected over 2.5-3.5 IDE reduction with external power supplied to the CDROM.
This was not tested with the Voipac 270-HDD-000 (official Voipac HDD module),
but I expect no problems.
Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
---
arch/arm/mach-pxa/Kconfig | 1 +
arch/arm/mach-pxa/include/mach/vpac270.h | 2 +
arch/arm/mach-pxa/vpac270.c | 50 ++++++++++++++++++++++++++++++
3 files changed, 53 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 12e16b9..5db128c 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -258,6 +258,7 @@ config MACH_COLIBRI320
config MACH_VPAC270
bool "Voipac PXA270"
select PXA27x
+ select HAVE_PATA_PLATFORM
help
PXA270 based Single Board Computer.
diff --git a/arch/arm/mach-pxa/include/mach/vpac270.h b/arch/arm/mach-pxa/include/mach/vpac270.h
index b90b380..0d82c47 100644
--- a/arch/arm/mach-pxa/include/mach/vpac270.h
+++ b/arch/arm/mach-pxa/include/mach/vpac270.h
@@ -35,4 +35,6 @@
#define GPIO114_VPAC270_ETH_IRQ 114
+#define GPIO36_VPAC270_IDE_IRQ 36
+
#endif
diff --git a/arch/arm/mach-pxa/vpac270.c b/arch/arm/mach-pxa/vpac270.c
index 0a9647b..6575b8f 100644
--- a/arch/arm/mach-pxa/vpac270.c
+++ b/arch/arm/mach-pxa/vpac270.c
@@ -23,6 +23,7 @@
#include <linux/mtd/physmap.h>
#include <linux/dm9000.h>
#include <linux/ucb1400.h>
+#include <linux/ata_platform.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -138,6 +139,10 @@ static unsigned long vpac270_pin_config[] __initdata = {
/* I2C */
GPIO117_I2C_SCL,
GPIO118_I2C_SDA,
+
+ /* IDE */
+ GPIO36_GPIO, /* IDE IRQ */
+ GPIO80_DREQ_1,
};
/******************************************************************************
@@ -487,6 +492,50 @@ static inline void vpac270_lcd_init(void) {}
#endif
/******************************************************************************
+ * PATA IDE
+ ******************************************************************************/
+#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
+static struct pata_platform_info vpac270_pata_pdata = {
+ .ioport_shift = 1,
+ .irq_flags = IRQF_TRIGGER_RISING,
+};
+
+static struct resource vpac270_ide_resources[] = {
+ [0] = { /* I/O Base address */
+ .start = PXA_CS3_PHYS + 0x120,
+ .end = PXA_CS3_PHYS + 0x13f,
+ .flags = IORESOURCE_MEM
+ },
+ [1] = { /* CTL Base address */
+ .start = PXA_CS3_PHYS + 0x15c,
+ .end = PXA_CS3_PHYS + 0x15f,
+ .flags = IORESOURCE_MEM
+ },
+ [2] = { /* IDE IRQ pin */
+ .start = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
+ .end = gpio_to_irq(GPIO36_VPAC270_IDE_IRQ),
+ .flags = IORESOURCE_IRQ
+ }
+};
+
+static struct platform_device vpac270_ide_device = {
+ .name = "pata_platform",
+ .num_resources = ARRAY_SIZE(vpac270_ide_resources),
+ .resource = vpac270_ide_resources,
+ .dev = {
+ .platform_data = &vpac270_pata_pdata,
+ }
+};
+
+static void __init vpac270_ide_init(void)
+{
+ platform_device_register(&vpac270_ide_device);
+}
+#else
+static inline void vpac270_ide_init(void) {}
+#endif
+
+/******************************************************************************
* Machine init
******************************************************************************/
static void __init vpac270_init(void)
@@ -507,6 +556,7 @@ static void __init vpac270_init(void)
vpac270_eth_init();
vpac270_ts_init();
vpac270_rtc_init();
+ vpac270_ide_init();
}
MACHINE_START(VPAC270, "Voipac PXA270")
--
1.7.0
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