openwrtv4/target/linux/brcm47xx/patches-3.6/072-bcma-register-parallel-flash-device.patch
2013-01-10 14:05:18 +00:00

67 lines
1.9 KiB
Diff

--- a/drivers/bcma/bcma_private.h
+++ b/drivers/bcma/bcma_private.h
@@ -47,6 +47,7 @@ int bcma_sprom_get(struct bcma_bus *bus)
/* driver_chipcommon.c */
#ifdef CONFIG_BCMA_DRIVER_MIPS
void bcma_chipco_serial_init(struct bcma_drv_cc *cc);
+extern struct platform_device bcma_pflash_dev;
#endif /* CONFIG_BCMA_DRIVER_MIPS */
/* driver_chipcommon_pmu.c */
--- a/drivers/bcma/driver_mips.c
+++ b/drivers/bcma/driver_mips.c
@@ -18,6 +18,7 @@
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
#include <linux/time.h>
+#include <linux/platform_device.h>
/* The 47162a0 hangs when reading MIPS DMP registers registers */
static inline bool bcma_core_mips_bcm47162a0_quirk(struct bcma_device *dev)
@@ -201,6 +202,19 @@ u32 bcma_cpu_clock(struct bcma_drv_mips
}
EXPORT_SYMBOL(bcma_cpu_clock);
+static struct resource bcma_pflash_resource = {
+ .name = "bcma_pflash",
+ .start = 0,
+ .end = 0,
+ .flags = 0,
+};
+
+struct platform_device bcma_pflash_dev = {
+ .name = "bcm47xx-pflash",
+ .resource = &bcma_pflash_resource,
+ .num_resources = 1,
+};
+
static void bcma_core_mips_flash_detect(struct bcma_drv_mips *mcore)
{
struct bcma_bus *bus = mcore->core->bus;
@@ -223,6 +237,9 @@ static void bcma_core_mips_flash_detect(
cc->pflash.buswidth = 1;
else
cc->pflash.buswidth = 2;
+
+ bcma_pflash_resource.start = cc->pflash.window;
+ bcma_pflash_resource.end = cc->pflash.window + cc->pflash.window_size;
break;
default:
bcma_err(bus, "Flash type not supported\n");
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -149,6 +149,14 @@ static int bcma_register_cores(struct bc
dev_id++;
}
+#ifdef CONFIG_BCMA_DRIVER_MIPS
+ if (bus->drv_cc.pflash.present) {
+ err = platform_device_register(&bcma_pflash_dev);
+ if (err)
+ bcma_err(bus, "Error registering parallel flash\n");
+ }
+#endif
+
#ifdef CONFIG_BCMA_SFLASH
if (bus->drv_cc.sflash.present) {
err = platform_device_register(&bcma_sflash_dev);