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Diffstat (limited to 'arch/arm/mach-sa1100/collie.c')
-rw-r--r--arch/arm/mach-sa1100/collie.c30
1 files changed, 24 insertions, 6 deletions
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 2052eb88c961..bbf2ebcc3066 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -25,6 +25,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/timer.h>
+#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -145,7 +146,8 @@ static struct locomo_driver collie_uart_driver = {
.remove = collie_uart_remove,
};
-static int __init collie_uart_init(void) {
+static int __init collie_uart_init(void)
+{
return locomo_driver_register(&collie_uart_driver);
}
device_initcall(collie_uart_init);
@@ -195,18 +197,34 @@ static struct mtd_partition collie_partitions[] = {
}
};
+static int collie_flash_init(void)
+{
+ int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
+ if (rc)
+ return rc;
+
+ rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
+ if (rc)
+ gpio_free(COLLIE_GPIO_VPEN);
+
+ return rc;
+}
+
static void collie_set_vpp(int vpp)
{
- write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR) | COLLIE_SCP_VPEN);
- if (vpp)
- write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) | COLLIE_SCP_VPEN);
- else
- write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
+ gpio_set_value(COLLIE_GPIO_VPEN, vpp);
+}
+
+static void collie_flash_exit(void)
+{
+ gpio_free(COLLIE_GPIO_VPEN);
}
static struct flash_platform_data collie_flash_data = {
.map_name = "cfi_probe",
+ .init = collie_flash_init,
.set_vpp = collie_set_vpp,
+ .exit = collie_flash_exit,
.parts = collie_partitions,
.nr_parts = ARRAY_SIZE(collie_partitions),
};