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/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright 2002 Integrated Device Technology, Inc.
 *	All rights reserved.
 *
 * GPIO register definition.
 *
 * Author : ryan.holmQVist@idt.com
 * Date	  : 20011005
 * Copyright (C) 2001, 2002 Ryan Holm <ryan.holmQVist@idt.com>
 * Copyright (C) 2008 Florian Fainelli <florian@openwrt.org>
 */

#ifndef _RC32434_GPIO_H_
#define _RC32434_GPIO_H_

struct rb532_gpio_reg {
	u32   gpiofunc;	  /* GPIO Function Register
			   * gpiofunc[x]==0 bit = gpio
			   * func[x]==1	 bit = altfunc
			   */
	u32   gpiocfg;	  /* GPIO Configuration Register
			   * gpiocfg[x]==0 bit = input
			   * gpiocfg[x]==1 bit = output
			   */
	u32   gpiod;	  /* GPIO Data Register
			   * gpiod[x] read/write gpio pinX status
			   */
	u32   gpioilevel; /* GPIO Interrupt Status Register
			   * interrupt level (see gpioistat)
			   */
	u32   gpioistat;  /* Gpio Interrupt Status Register
			   * istat[x] = (gpiod[x] == level[x])
			   * cleared in ISR (STICKY bits)
			   */
	u32   gpionmien;  /* GPIO Non-maskable Interrupt Enable Register */
};

/* UART GPIO signals */
#define RC32434_UART0_SOUT	(1 << 0)
#define RC32434_UART0_SIN	(1 << 1)
#define RC32434_UART0_RTS	(1 << 2)
#define RC32434_UART0_CTS	(1 << 3)

/* M & P bus GPIO signals */
#define RC32434_MP_BIT_22	(1 << 4)
#define RC32434_MP_BIT_23	(1 << 5)
#define RC32434_MP_BIT_24	(1 << 6)
#define RC32434_MP_BIT_25	(1 << 7)

/* CPU GPIO signals */
#define RC32434_CPU_GPIO	(1 << 8)

/* Reserved GPIO signals */
#define RC32434_AF_SPARE_6	(1 << 9)
#define RC32434_AF_SPARE_4	(1 << 10)
#define RC32434_AF_SPARE_3	(1 << 11)
#define RC32434_AF_SPARE_2	(1 << 12)

/* PCI messaging unit */
#define RC32434_PCI_MSU_GPIO	(1 << 13)

/* NAND GPIO signals */
#define GPIO_RDY		8
#define GPIO_WPX	9
#define GPIO_ALE		10
#define GPIO_CLE		11

/* Compact Flash GPIO pin */
#define CF_GPIO_NUM		13

/* S1 button GPIO (shared with UART0_SIN) */
#define GPIO_BTN_S1		1

extern void rb532_gpio_set_ilevel(int bit, unsigned gpio);
extern void rb532_gpio_set_istat(int bit, unsigned gpio);
extern void rb532_gpio_set_func(unsigned gpio);

#endif /* _RC32434_GPIO_H_ */

Filemanager

Name Type Size Permission Actions
cpu-feature-overrides.h File 2.29 KB 0644
ddr.h File 4.46 KB 0644
dma.h File 2.6 KB 0644
dma_v.h File 1.19 KB 0644
eth.h File 5.86 KB 0644
gpio.h File 2.08 KB 0644
integ.h File 2.09 KB 0644
irq.h File 1.07 KB 0644
pci.h File 13.67 KB 0644
prom.h File 1.62 KB 0644
rb.h File 2.12 KB 0644
rc32434.h File 357 B 0644
timer.h File 2.15 KB 0644
war.h File 772 B 0644