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-rw-r--r--include/hw/gpio/sifive_gpio.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/include/hw/gpio/sifive_gpio.h b/include/hw/gpio/sifive_gpio.h
new file mode 100644
index 000000000..fc53785c9
--- /dev/null
+++ b/include/hw/gpio/sifive_gpio.h
@@ -0,0 +1,79 @@
+/*
+ * SiFive System-on-Chip general purpose input/output register definition
+ *
+ * Copyright 2019 AdaCore
+ *
+ * Base on nrf51_gpio.c:
+ *
+ * Copyright 2018 Steffen Görtz <contrib@steffen-goertz.de>
+ *
+ * This code is licensed under the GPL version 2 or later. See
+ * the COPYING file in the top-level directory.
+ */
+
+#ifndef SIFIVE_GPIO_H
+#define SIFIVE_GPIO_H
+
+#include "hw/sysbus.h"
+#include "qom/object.h"
+
+#define TYPE_SIFIVE_GPIO "sifive_soc.gpio"
+typedef struct SIFIVEGPIOState SIFIVEGPIOState;
+DECLARE_INSTANCE_CHECKER(SIFIVEGPIOState, SIFIVE_GPIO,
+ TYPE_SIFIVE_GPIO)
+
+#define SIFIVE_GPIO_PINS 32
+
+#define SIFIVE_GPIO_SIZE 0x100
+
+#define SIFIVE_GPIO_REG_VALUE 0x000
+#define SIFIVE_GPIO_REG_INPUT_EN 0x004
+#define SIFIVE_GPIO_REG_OUTPUT_EN 0x008
+#define SIFIVE_GPIO_REG_PORT 0x00C
+#define SIFIVE_GPIO_REG_PUE 0x010
+#define SIFIVE_GPIO_REG_DS 0x014
+#define SIFIVE_GPIO_REG_RISE_IE 0x018
+#define SIFIVE_GPIO_REG_RISE_IP 0x01C
+#define SIFIVE_GPIO_REG_FALL_IE 0x020
+#define SIFIVE_GPIO_REG_FALL_IP 0x024
+#define SIFIVE_GPIO_REG_HIGH_IE 0x028
+#define SIFIVE_GPIO_REG_HIGH_IP 0x02C
+#define SIFIVE_GPIO_REG_LOW_IE 0x030
+#define SIFIVE_GPIO_REG_LOW_IP 0x034
+#define SIFIVE_GPIO_REG_IOF_EN 0x038
+#define SIFIVE_GPIO_REG_IOF_SEL 0x03C
+#define SIFIVE_GPIO_REG_OUT_XOR 0x040
+
+struct SIFIVEGPIOState {
+ SysBusDevice parent_obj;
+
+ MemoryRegion mmio;
+
+ qemu_irq irq[SIFIVE_GPIO_PINS];
+ qemu_irq output[SIFIVE_GPIO_PINS];
+
+ uint32_t value; /* Actual value of the pin */
+ uint32_t input_en;
+ uint32_t output_en;
+ uint32_t port; /* Pin value requested by the user */
+ uint32_t pue;
+ uint32_t ds;
+ uint32_t rise_ie;
+ uint32_t rise_ip;
+ uint32_t fall_ie;
+ uint32_t fall_ip;
+ uint32_t high_ie;
+ uint32_t high_ip;
+ uint32_t low_ie;
+ uint32_t low_ip;
+ uint32_t iof_en;
+ uint32_t iof_sel;
+ uint32_t out_xor;
+ uint32_t in;
+ uint32_t in_mask;
+
+ /* config */
+ uint32_t ngpio;
+};
+
+#endif /* SIFIVE_GPIO_H */