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path: root/drivers/ssb/driver_mipscore.c
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Diffstat (limited to 'drivers/ssb/driver_mipscore.c')
-rw-r--r--drivers/ssb/driver_mipscore.c48
1 files changed, 38 insertions, 10 deletions
diff --git a/drivers/ssb/driver_mipscore.c b/drivers/ssb/driver_mipscore.c
index 2a7684c9024..33b37dac40b 100644
--- a/drivers/ssb/driver_mipscore.c
+++ b/drivers/ssb/driver_mipscore.c
@@ -10,6 +10,7 @@
#include <linux/ssb/ssb.h>
+#include <linux/mtd/physmap.h>
#include <linux/serial.h>
#include <linux/serial_core.h>
#include <linux/serial_reg.h>
@@ -17,6 +18,25 @@
#include "ssb_private.h"
+static const char *part_probes[] = { "bcm47xxpart", NULL };
+
+static struct physmap_flash_data ssb_pflash_data = {
+ .part_probe_types = part_probes,
+};
+
+static struct resource ssb_pflash_resource = {
+ .name = "ssb_pflash",
+ .flags = IORESOURCE_MEM,
+};
+
+struct platform_device ssb_pflash_dev = {
+ .name = "physmap-flash",
+ .dev = {
+ .platform_data = &ssb_pflash_data,
+ },
+ .resource = &ssb_pflash_resource,
+ .num_resources = 1,
+};
static inline u32 mips_read32(struct ssb_mipscore *mcore,
u16 offset)
@@ -189,14 +209,15 @@ static void ssb_mips_serial_init(struct ssb_mipscore *mcore)
static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
{
struct ssb_bus *bus = mcore->dev->bus;
+ struct ssb_pflash *pflash = &mcore->pflash;
/* When there is no chipcommon on the bus there is 4MB flash */
if (!ssb_chipco_available(&bus->chipco)) {
- mcore->pflash.present = true;
- mcore->pflash.buswidth = 2;
- mcore->pflash.window = SSB_FLASH1;
- mcore->pflash.window_size = SSB_FLASH1_SZ;
- return;
+ pflash->present = true;
+ pflash->buswidth = 2;
+ pflash->window = SSB_FLASH1;
+ pflash->window_size = SSB_FLASH1_SZ;
+ goto ssb_pflash;
}
/* There is ChipCommon, so use it to read info about flash */
@@ -208,16 +229,23 @@ static void ssb_mips_flash_detect(struct ssb_mipscore *mcore)
break;
case SSB_CHIPCO_FLASHT_PARA:
pr_debug("Found parallel flash\n");
- mcore->pflash.present = true;
- mcore->pflash.window = SSB_FLASH2;
- mcore->pflash.window_size = SSB_FLASH2_SZ;
+ pflash->present = true;
+ pflash->window = SSB_FLASH2;
+ pflash->window_size = SSB_FLASH2_SZ;
if ((ssb_read32(bus->chipco.dev, SSB_CHIPCO_FLASH_CFG)
& SSB_CHIPCO_CFG_DS16) == 0)
- mcore->pflash.buswidth = 1;
+ pflash->buswidth = 1;
else
- mcore->pflash.buswidth = 2;
+ pflash->buswidth = 2;
break;
}
+
+ssb_pflash:
+ if (pflash->present) {
+ ssb_pflash_data.width = pflash->buswidth;
+ ssb_pflash_resource.start = pflash->window;
+ ssb_pflash_resource.end = pflash->window + pflash->window_size;
+ }
}
u32 ssb_cpu_clock(struct ssb_mipscore *mcore)