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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2007-04-21 15:55:06 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-05-03 14:16:55 +0100
commita17dba8df9848c548912fbe9bf4b28c5a67c5413 (patch)
treeab699b209ec5a6b952de52c0238e01d21dc478fb
parent69f4f331a0f78470f0bc42ba8db8d6cdd9cae4a9 (diff)
[ARM] Add platform support for PATA on RiscPC
Add pata_platform device for RiscPC, thereby converting the primary IDE channel on the machine to PATA. Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-rw-r--r--arch/arm/mach-rpc/riscpc.c35
-rw-r--r--drivers/ata/Kconfig2
2 files changed, 36 insertions, 1 deletions
diff --git a/arch/arm/mach-rpc/riscpc.c b/arch/arm/mach-rpc/riscpc.c
index 208a2b5dba1..570cf937e73 100644
--- a/arch/arm/mach-rpc/riscpc.c
+++ b/arch/arm/mach-rpc/riscpc.c
@@ -17,6 +17,7 @@
#include <linux/sched.h>
#include <linux/device.h>
#include <linux/serial_8250.h>
+#include <linux/pata_platform.h>
#include <asm/elf.h>
#include <asm/io.h>
@@ -159,11 +160,45 @@ static struct platform_device serial_device = {
},
};
+static struct pata_platform_info pata_platform_data = {
+ .ioport_shift = 2,
+};
+
+static struct resource pata_resources[] = {
+ [0] = {
+ .start = 0x030107c0,
+ .end = 0x030107df,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 0x03010fd8,
+ .end = 0x03010fdb,
+ .flags = IORESOURCE_MEM,
+ },
+ [2] = {
+ .start = IRQ_HARDDISK,
+ .end = IRQ_HARDDISK,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device pata_device = {
+ .name = "pata_platform",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(pata_resources),
+ .resource = pata_resources,
+ .dev = {
+ .platform_data = &pata_platform_data,
+ .coherent_dma_mask = ~0, /* grumble */
+ },
+};
+
static struct platform_device *devs[] __initdata = {
&iomd_device,
&kbd_device,
&serial_device,
&acornfb_device,
+ &pata_device,
};
static int __init rpc_init(void)
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index 7bdbe5a914d..e0820e8dd1c 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -545,7 +545,7 @@ config PATA_WINBOND_VLB
config PATA_PLATFORM
tristate "Generic platform device PATA support"
- depends on EMBEDDED
+ depends on EMBEDDED || ARCH_RPC
help
This option enables support for generic directly connected ATA
devices commonly found on embedded systems.