 4bb216f637
			
		
	
	
		4bb216f637
		
	
	
	
	
		
			
			Add a new property to represent the number of GPIO pins supported by the GPIO controller. Signed-off-by: Bin Meng <bin.meng@windriver.com> Reviewed-by: Alistair Francis <alistair.francis@wdc.com> Message-id: 1591625864-31494-7-git-send-email-bmeng.cn@gmail.com Message-Id: <1591625864-31494-7-git-send-email-bmeng.cn@gmail.com> Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
		
			
				
	
	
		
			77 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * SiFive System-on-Chip general purpose input/output register definition
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|  *
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|  * Copyright 2019 AdaCore
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|  *
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|  * Base on nrf51_gpio.c:
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|  *
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|  * Copyright 2018 Steffen Görtz <contrib@steffen-goertz.de>
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|  *
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|  * This code is licensed under the GPL version 2 or later.  See
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|  * the COPYING file in the top-level directory.
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|  */
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| 
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| #ifndef SIFIVE_GPIO_H
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| #define SIFIVE_GPIO_H
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| 
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| #include "hw/sysbus.h"
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| 
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| #define TYPE_SIFIVE_GPIO "sifive_soc.gpio"
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| #define SIFIVE_GPIO(obj) OBJECT_CHECK(SIFIVEGPIOState, (obj), TYPE_SIFIVE_GPIO)
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| 
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| #define SIFIVE_GPIO_PINS 32
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| 
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| #define SIFIVE_GPIO_SIZE 0x100
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| 
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| #define SIFIVE_GPIO_REG_VALUE      0x000
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| #define SIFIVE_GPIO_REG_INPUT_EN   0x004
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| #define SIFIVE_GPIO_REG_OUTPUT_EN  0x008
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| #define SIFIVE_GPIO_REG_PORT       0x00C
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| #define SIFIVE_GPIO_REG_PUE        0x010
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| #define SIFIVE_GPIO_REG_DS         0x014
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| #define SIFIVE_GPIO_REG_RISE_IE    0x018
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| #define SIFIVE_GPIO_REG_RISE_IP    0x01C
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| #define SIFIVE_GPIO_REG_FALL_IE    0x020
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| #define SIFIVE_GPIO_REG_FALL_IP    0x024
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| #define SIFIVE_GPIO_REG_HIGH_IE    0x028
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| #define SIFIVE_GPIO_REG_HIGH_IP    0x02C
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| #define SIFIVE_GPIO_REG_LOW_IE     0x030
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| #define SIFIVE_GPIO_REG_LOW_IP     0x034
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| #define SIFIVE_GPIO_REG_IOF_EN     0x038
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| #define SIFIVE_GPIO_REG_IOF_SEL    0x03C
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| #define SIFIVE_GPIO_REG_OUT_XOR    0x040
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| 
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| typedef struct SIFIVEGPIOState {
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|     SysBusDevice parent_obj;
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| 
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|     MemoryRegion mmio;
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| 
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|     qemu_irq irq[SIFIVE_GPIO_PINS];
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|     qemu_irq output[SIFIVE_GPIO_PINS];
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| 
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|     uint32_t value;             /* Actual value of the pin */
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|     uint32_t input_en;
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|     uint32_t output_en;
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|     uint32_t port;              /* Pin value requested by the user */
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|     uint32_t pue;
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|     uint32_t ds;
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|     uint32_t rise_ie;
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|     uint32_t rise_ip;
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|     uint32_t fall_ie;
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|     uint32_t fall_ip;
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|     uint32_t high_ie;
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|     uint32_t high_ip;
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|     uint32_t low_ie;
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|     uint32_t low_ip;
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|     uint32_t iof_en;
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|     uint32_t iof_sel;
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|     uint32_t out_xor;
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|     uint32_t in;
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|     uint32_t in_mask;
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| 
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|     /* config */
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|     uint32_t ngpio;
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| } SIFIVEGPIOState;
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| 
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| #endif /* SIFIVE_GPIO_H */
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