- initial import

git-svn-id: http://moon:8086/svn/mips@1 a8ebac50-d88d-4704-bea3-6648445a41b3
2014-07-20 15:01:37 +00:00
commit 26291bca3d
1549 changed files with 3997969 additions and 0 deletions
@@ -0,0 +1,28 @@
+#include "libsys.h"
+#include "gpio.h"
+
+// ---------------------------------------------------------
+UINT32 gpio_init(gpio_if_t *pGPIO, UINT32 base_addr)
+{
+	pGPIO->pBase = (UINT32*)base_addr;
+	return 0;
+}
+
+UINT32 gpio_clean(gpio_if_t *pGPIO)
+{
+	return 0;
+}
+
+UINT32 gpio_write(gpio_if_t *pGPIO, UINT32 mask, UINT32 shift, UINT32 offset, UINT32 value)
+{
+	*(pGPIO->pBase + offset) = (*(pGPIO->pBase + offset) & ~(mask << shift)) | ((value & mask) << shift);
+	return 0;
+}
+
+UINT32 gpio_read(gpio_if_t *pGPIO, UINT32 mask, UINT32 shift, UINT32 offset, UINT32 *pValue)
+{
+	*pValue = (*(pGPIO->pBase + offset) & (mask << shift)) >> shift;
+	return 0;
+}
+
+// ---------------------------------------------------------