bcma: add missing GPIO defines, use PULL register only when available

Similar patch was commited to ssb.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/bcma/driver_chipcommon.c

@@ -29,8 +29,10 @@ void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
 	if (cc->core->id.rev >= 35)
 		cc->capabilities_ext = bcma_cc_read32(cc, BCMA_CC_CAP_EXT);
 
-	bcma_cc_write32(cc, 0x58, 0);
-	bcma_cc_write32(cc, 0x5C, 0);
+	if (cc->core->id.rev >= 20) {
+		bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0);
+		bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0);
+	}
 
 	if (cc->capabilities & BCMA_CC_CAP_PMU)
 		bcma_pmu_init(cc);

include/linux/bcma/bcma_driver_chipcommon.h

@@ -113,6 +113,8 @@
 #define BCMA_CC_FLASHDATA		0x0048
 #define BCMA_CC_BCAST_ADDR		0x0050
 #define BCMA_CC_BCAST_DATA		0x0054
+#define BCMA_CC_GPIOPULLUP		0x0058		/* Rev >= 20 only */
+#define BCMA_CC_GPIOPULLDOWN		0x005C		/* Rev >= 20 only */
 #define BCMA_CC_GPIOIN			0x0060
 #define BCMA_CC_GPIOOUT			0x0064
 #define BCMA_CC_GPIOOUTEN		0x0068
@@ -121,6 +123,9 @@
 #define BCMA_CC_GPIOIRQ			0x0074
 #define BCMA_CC_WATCHDOG		0x0080
 #define BCMA_CC_GPIOTIMER		0x0088		/* LED powersave (corerev >= 16) */
+#define  BCMA_CC_GPIOTIMER_OFFTIME	0x0000FFFF
+#define  BCMA_CC_GPIOTIMER_OFFTIME_SHIFT	0
+#define  BCMA_CC_GPIOTIMER_ONTIME	0xFFFF0000
 #define  BCMA_CC_GPIOTIMER_ONTIME_SHIFT	16
 #define BCMA_CC_GPIOTOUTM		0x008C		/* LED powersave (corerev >= 16) */
 #define BCMA_CC_CLOCK_N			0x0090