[brcm-2.4/brcm47xx] add RTC RV5C386A package

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17073 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 157 insertions, 0 deletions

diff --git a/package/rtc-rv5c386a/src/gpio.h b/package/rtc-rv5c386a/src/gpio.h
new file mode 100644
index 000000000..cd48637b2
--- /dev/null
+++ b/package/rtc-rv5c386a/src/gpio.h
@@ -0,0 +1,157 @@
+#ifndef __DIAG_GPIO_H
+#define __DIAG_GPIO_H
+#include <linux/interrupt.h>
+
+#ifndef BCMDRIVER
+#include <linux/ssb/ssb_embedded.h>
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+#include <linux/gpio.h>
+#define ssb ssb_bcm47xx
+#endif
+extern struct ssb_bus ssb;
+
+
+static inline u32 gpio_in(void)
+{
+	return ssb_gpio_in(&ssb, ~0);
+}
+
+static inline u32 gpio_out(u32 mask, u32 value)
+{
+	return ssb_gpio_out(&ssb, mask, value);
+}
+
+static inline u32 gpio_outen(u32 mask, u32 value)
+{
+	return ssb_gpio_outen(&ssb, mask, value);
+}
+
+static inline u32 gpio_control(u32 mask, u32 value)
+{
+	return ssb_gpio_control(&ssb, mask, value);
+}
+
+static inline u32 gpio_setintmask(u32 mask, u32 value)
+{
+	return ssb_gpio_intmask(&ssb, mask, value);
+}
+
+static inline u32 gpio_intpolarity(u32 mask, u32 value)
+{
+	return ssb_gpio_polarity(&ssb, mask, value);
+}
+
+static inline u32 __ssb_write32_masked(struct ssb_device *dev, u16 offset,
+				       u32 mask, u32 value)
+{
+	value &= mask;
+	value |= ssb_read32(dev, offset) & ~mask;
+	ssb_write32(dev, offset, value);
+	return value;
+}
+
+static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
+{
+	int irq;
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,25)
+	irq = gpio_to_irq(0);
+	if (irq == -EINVAL) return;
+#else
+	if (ssb.chipco.dev)
+		irq = ssb_mips_irq(ssb.chipco.dev) + 2;
+	else if (ssb.extif.dev)
+		irq = ssb_mips_irq(ssb.extif.dev) + 2;
+	else return;
+#endif
+	
+	if (enabled) {
+		if (request_irq(irq, handler, IRQF_SHARED | IRQF_SAMPLE_RANDOM, "gpio", handler))
+			return;
+	} else {
+		free_irq(irq, handler);
+	}
+
+	if (ssb.chipco.dev)
+		__ssb_write32_masked(ssb.chipco.dev, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
+}
+
+#else
+
+#include <typedefs.h>
+#include <osl.h>
+#include <bcmdevs.h>
+#include <sbutils.h>
+#include <sbconfig.h>
+#include <sbchipc.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+#include <sbmips.h>
+#else
+#include <hndcpu.h>
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+#define sbh bcm947xx_sbh
+#define sbh_lock bcm947xx_sbh_lock
+#endif
+
+extern void *sbh;
+extern spinlock_t sbh_lock;
+
+#define gpio_in()	sb_gpioin(sbh)
+#define gpio_out(mask, value) 	sb_gpioout(sbh, mask, ((value) & (mask)), GPIO_DRV_PRIORITY)
+#define gpio_outen(mask, value) 	sb_gpioouten(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_control(mask, value) 	sb_gpiocontrol(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_setintmask(mask, value) 	sb_gpiointmask(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_intpolarity(mask, value) 	sb_gpiointpolarity(sbh, mask, value, GPIO_DRV_PRIORITY)
+
+static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *, struct pt_regs *))
+{
+	unsigned int coreidx;
+	unsigned long flags;
+	chipcregs_t *cc;
+	int irq;
+
+	spin_lock_irqsave(sbh_lock, flags);
+	coreidx = sb_coreidx(sbh);
+
+	irq = sb_irq(sbh) + 2;
+	if (enabled)
+		request_irq(irq, handler, SA_SHIRQ | SA_SAMPLE_RANDOM, "gpio", handler);
+	else
+		free_irq(irq, handler);
+
+	if ((cc = sb_setcore(sbh, SB_CC, 0))) {
+		int intmask;
+
+		intmask = readl(&cc->intmask);
+		if (enabled)
+			intmask |= CI_GPIO;
+		else
+			intmask &= ~CI_GPIO;
+		writel(intmask, &cc->intmask);
+	}
+	sb_setcoreidx(sbh, coreidx);
+	spin_unlock_irqrestore(sbh_lock, flags);
+}
+
+#endif /* BCMDRIVER */
+
+#define EXTIF_ADDR 0x1f000000
+#define EXTIF_UART (EXTIF_ADDR + 0x00800000)
+
+#define GPIO_TYPE_NORMAL	(0x0 << 24)
+#define GPIO_TYPE_EXTIF 	(0x1 << 24)
+#define GPIO_TYPE_MASK  	(0xf << 24)
+
+static inline void gpio_set_extif(int gpio, int value)
+{
+	volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (gpio & ~GPIO_TYPE_MASK);
+	if (value)
+		*addr = 0xFF;
+	else
+		*addr;
+}
+
+#endif /* __DIAG_GPIO_H */