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Diffstat (limited to 'src/cpu/allwinner/a10/gpio.h')
-rw-r--r--src/cpu/allwinner/a10/gpio.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/cpu/allwinner/a10/gpio.h b/src/cpu/allwinner/a10/gpio.h
new file mode 100644
index 0000000000..f285451b17
--- /dev/null
+++ b/src/cpu/allwinner/a10/gpio.h
@@ -0,0 +1,51 @@
+/*
+ * Definitions for GPIO and pin multiplexing on Allwinner CPUs
+ *
+ * Copyright (C) 2013 Alexandru Gagniuc <mr.nuke.me@gmail.com>
+ * Subject to the GNU GPL v2, or (at your option) any later version.
+ */
+
+#ifndef __CPU_ALLWINNER_A10_PINMUX_H
+#define __CPU_ALLWINNER_A10_PINMUX_H
+
+#include <types.h>
+
+#define GPIO_BASE 0x01C20800
+
+#define GPA 0
+#define GPB 1
+#define GPC 2
+#define GPD 3
+#define GPE 4
+#define GPF 5
+#define GPG 6
+#define GPH 7
+#define GPI 8
+#define GPS 9
+
+struct a10_gpio_port {
+ u32 cfg[4];
+ u32 dat;
+ u32 drv[2];
+ u32 pul[2];
+} __attribute__ ((packed));
+
+struct a10_gpio {
+ struct a10_gpio_port port[10];
+ u8 reserved_0x168[0x98];
+
+ /* Offset 0x200 */
+ u32 int_cfg[4];
+
+ u32 int_ctl;
+ u32 int_sta;
+ u8 reserved_0x21C[4];
+ u32 int_deb;
+
+ u32 sdr_pad_drv;
+ u32 sdr_pad_pul;
+} __attribute__ ((packed));
+
+void gpio_set_func(u8 port, u8 pin, u8 pad_func);
+
+#endif /* __CPU_ALLWINNER_A10_PINMUX_H */