1 files changed, 98 insertions, 0 deletions

diff --git a/include/asm-cris/arch-v32/io.h b/include/asm-cris/arch-v32/io.h
new file mode 100644
index 000000000000..4c80263ec634
--- /dev/null
+++ b/include/asm-cris/arch-v32/io.h
@@ -0,0 +1,98 @@
+#ifndef _ASM_ARCH_CRIS_IO_H
+#define _ASM_ARCH_CRIS_IO_H
+
+#include <asm/arch/hwregs/reg_map.h>
+#include <asm/arch/hwregs/reg_rdwr.h>
+#include <asm/arch/hwregs/gio_defs.h>
+#include <linux/config.h>
+
+enum crisv32_io_dir
+{
+  crisv32_io_dir_in = 0,
+  crisv32_io_dir_out = 1
+};
+
+struct crisv32_ioport
+{
+  unsigned long* oe;
+  unsigned long* data;
+  unsigned long* data_in;
+  unsigned int pin_count;
+};
+
+struct crisv32_iopin
+{
+  struct crisv32_ioport* port;
+  int bit;
+};
+
+extern struct crisv32_ioport crisv32_ioports[];
+
+extern struct crisv32_iopin crisv32_led1_green;
+extern struct crisv32_iopin crisv32_led1_red;
+extern struct crisv32_iopin crisv32_led2_green;
+extern struct crisv32_iopin crisv32_led2_red;
+extern struct crisv32_iopin crisv32_led3_green;
+extern struct crisv32_iopin crisv32_led3_red;
+
+extern inline void crisv32_io_set(struct crisv32_iopin* iopin,
+                           int val)
+{
+        if (val)
+                *iopin->port->data |= iopin->bit;
+        else
+                *iopin->port->data &= ~iopin->bit;
+}
+
+extern inline void crisv32_io_set_dir(struct crisv32_iopin* iopin,
+                               enum crisv32_io_dir dir)
+{
+        if (dir == crisv32_io_dir_in)
+                *iopin->port->oe &= ~iopin->bit;
+        else
+                *iopin->port->oe |= iopin->bit;
+}
+
+extern inline int crisv32_io_rd(struct crisv32_iopin* iopin)
+{
+        return ((*iopin->port->data_in & iopin->bit) ? 1 : 0);
+}
+
+int crisv32_io_get(struct crisv32_iopin* iopin,
+                   unsigned int port, unsigned int pin);
+int crisv32_io_get_name(struct crisv32_iopin* iopin,
+                         char* name);
+
+#define LED_OFF    0x00
+#define LED_GREEN  0x01
+#define LED_RED    0x02
+#define LED_ORANGE (LED_GREEN | LED_RED)
+
+#define LED_NETWORK_SET(x)                          \
+        do {                                        \
+                LED_NETWORK_SET_G((x) & LED_GREEN); \
+                LED_NETWORK_SET_R((x) & LED_RED);   \
+        } while (0)
+#define LED_ACTIVE_SET(x)                           \
+        do {                                        \
+                LED_ACTIVE_SET_G((x) & LED_GREEN);  \
+                LED_ACTIVE_SET_R((x) & LED_RED);    \
+        } while (0)
+
+#define LED_NETWORK_SET_G(x) \
+        crisv32_io_set(&crisv32_led1_green, !(x));
+#define LED_NETWORK_SET_R(x) \
+        crisv32_io_set(&crisv32_led1_red, !(x));
+#define LED_ACTIVE_SET_G(x) \
+        crisv32_io_set(&crisv32_led2_green, !(x));
+#define LED_ACTIVE_SET_R(x) \
+        crisv32_io_set(&crisv32_led2_red, !(x));
+#define LED_DISK_WRITE(x) \
+         do{\
+                crisv32_io_set(&crisv32_led3_green, !(x)); \
+                crisv32_io_set(&crisv32_led3_red, !(x));   \
+        }while(0)
+#define LED_DISK_READ(x) \
+        crisv32_io_set(&crisv32_led3_green, !(x));
+
+#endif