[people/ms/u-boot.git] / include / smsc_sio1007.h

/*
 * Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _SMSC_SIO1007_H_
#define _SMSC_SIO1007_H_

/*
 * The I/O base address of SIO1007 at power-up is determined by the SYSOPT0
 * and SYSOPT1 pins at the deasserting edge of PCIRST#. The combination of
 * SYSOPT0 and SYSOPT1 determines one of the following addresses.
 */
#define SIO1007_IOPORT0		0x002e
#define SIO1007_IOPORT1		0x004e
#define SIO1007_IOPORT2		0x162e
#define SIO1007_IOPORT3		0x164e

/* SIO1007 registers */

#define DEV_POWER_CTRL		0x02
#define UART1_POWER_ON		(1 << 3)
#define UART2_POWER_ON		(1 << 7)

#define UART1_IOBASE		0x24
#define UART2_IOBASE		0x25
#define UART_IRQ		0x28

#define RTR_IOBASE_HIGH		0x21
#define RTR_IOBASE_LOW		0x30

#define GPIO0_DIR		0x31
#define GPIO1_DIR		0x35
#define GPIO_DIR_INPUT		0
#define GPIO_DIR_OUTPUT		1

#define GPIO0_POL		0x32
#define GPIO1_POL		0x36
#define GPIO_POL_NO_INVERT	0
#define GPIO_POL_INVERT		1

#define GPIO0_TYPE		0x33
#define GPIO1_TYPE		0x37
#define GPIO_TYPE_PUSH_PULL	0
#define GPIO_TYPE_OPEN_DRAIN	1

#define DEV_ACTIVATE		0x3a
#define RTR_EN			(1 << 1)

/* Runtime register offset */

#define GPIO0_DATA		0xc
#define GPIO1_DATA		0xe

/* Number of serial ports supported */
#define SIO1007_UART_NUM	2

/* Number of gpio pins supported */
#define GPIO_NUM_PER_GROUP	8
#define GPIO_GROUP_NUM		2
#define SIO1007_GPIO_NUM	(GPIO_NUM_PER_GROUP * GPIO_GROUP_NUM)

/**
 * Configure the I/O port address of the specified serial device and
 * enable the serial device.
 *
 * @port:	SIO1007 I/O port address
 * @num:	serial device number (0 or 1)
 * @iobase:	processor I/O port address to assign to this serial device
 * @irq:	processor IRQ number to assign to this serial device
 */
void sio1007_enable_serial(int port, int num, int iobase, int irq);

/**
 * Configure the I/O port address of the runtime register block and
 * enable the address decoding.
 *
 * @port:	SIO1007 I/O port address
 * @iobase:	processor I/O port address to assign to the runtime registers
 */
void sio1007_enable_runtime(int port, int iobase);

/**
 * Configure the direction/polority/type of a specified GPIO pin
 *
 * @port:	SIO1007 I/O port address
 * @gpio:	GPIO number (0-7 for GP10-GP17, 8-15 for GP30-GP37)
 * @dir:	GPIO_DIR_INPUT or GPIO_DIR_OUTPUT
 * @pol:	GPIO_POL_NO_INVERT or GPIO_POL_INVERT
 * @type:	GPIO_TYPE_PUSH_PULL or GPIO_TYPE_OPEN_DRAIN
 */
void sio1007_gpio_config(int port, int gpio, int dir, int pol, int type);

/**
 * Get a GPIO pin value.
 * This will work whether the GPIO is an input or an output.
 *
 * @port:	runtime register block I/O port address
 * @gpio:	GPIO number (0-7 for GP10-GP17, 8-15 for GP30-GP37)
 * @return:	0 if low, 1 if high, -EINVAL if gpio number is invalid
 */
int sio1007_gpio_get_value(int port, int gpio);

/**
 * Set a GPIO pin value.
 * This will only work when the GPIO is configured as an output.
 *
 * @port:	runtime register block I/O port address
 * @gpio:	GPIO number (0-7 for GP10-GP17, 8-15 for GP30-GP37)
 * @val:	0 if low, 1 if high
 */
void sio1007_gpio_set_value(int port, int gpio, int val);

#endif /* _SMSC_SIO1007_H_ */
Commit	Line	Data
98af34f8 BM	1	/*
	2	* Copyright (C) 2016, Bin Meng <bmeng.cn@gmail.com>
	3	*
	4	* SPDX-License-Identifier: GPL-2.0+
	5	*/
	6
	7	#ifndef _SMSC_SIO1007_H_
	8	#define _SMSC_SIO1007_H_
	9
	10	/*
	11	* The I/O base address of SIO1007 at power-up is determined by the SYSOPT0
	12	* and SYSOPT1 pins at the deasserting edge of PCIRST#. The combination of
	13	* SYSOPT0 and SYSOPT1 determines one of the following addresses.
	14	*/
	15	#define SIO1007_IOPORT0 0x002e
	16	#define SIO1007_IOPORT1 0x004e
	17	#define SIO1007_IOPORT2 0x162e
	18	#define SIO1007_IOPORT3 0x164e
	19
	20	/* SIO1007 registers */
	21
	22	#define DEV_POWER_CTRL 0x02
	23	#define UART1_POWER_ON (1 << 3)
	24	#define UART2_POWER_ON (1 << 7)
	25
	26	#define UART1_IOBASE 0x24
	27	#define UART2_IOBASE 0x25
	28	#define UART_IRQ 0x28
	29
	30	#define RTR_IOBASE_HIGH 0x21
	31	#define RTR_IOBASE_LOW 0x30
	32
	33	#define GPIO0_DIR 0x31
	34	#define GPIO1_DIR 0x35
	35	#define GPIO_DIR_INPUT 0
	36	#define GPIO_DIR_OUTPUT 1
	37
	38	#define GPIO0_POL 0x32
	39	#define GPIO1_POL 0x36
	40	#define GPIO_POL_NO_INVERT 0
	41	#define GPIO_POL_INVERT 1
	42
	43	#define GPIO0_TYPE 0x33
	44	#define GPIO1_TYPE 0x37
	45	#define GPIO_TYPE_PUSH_PULL 0
	46	#define GPIO_TYPE_OPEN_DRAIN 1
	47
	48	#define DEV_ACTIVATE 0x3a
	49	#define RTR_EN (1 << 1)
	50
	51	/* Runtime register offset */
	52
	53	#define GPIO0_DATA 0xc
	54	#define GPIO1_DATA 0xe
	55
	56	/* Number of serial ports supported */
	57	#define SIO1007_UART_NUM 2
	58
	59	/* Number of gpio pins supported */
	60	#define GPIO_NUM_PER_GROUP 8
	61	#define GPIO_GROUP_NUM 2
	62	#define SIO1007_GPIO_NUM (GPIO_NUM_PER_GROUP * GPIO_GROUP_NUM)
	63
	64	/**
65	* Configure the I/O port address of the specified serial device and
66	* enable the serial device.
67	*
68	* @port: SIO1007 I/O port address
69	* @num: serial device number (0 or 1)
70	* @iobase: processor I/O port address to assign to this serial device
71	* @irq: processor IRQ number to assign to this serial device
72	*/
73	void sio1007_enable_serial(int port, int num, int iobase, int irq);
74
75	/**
76	* Configure the I/O port address of the runtime register block and
77	* enable the address decoding.
78	*
79	* @port: SIO1007 I/O port address
80	* @iobase: processor I/O port address to assign to the runtime registers
81	*/
82	void sio1007_enable_runtime(int port, int iobase);
83
84	/**
85	* Configure the direction/polority/type of a specified GPIO pin
86	*
87	* @port: SIO1007 I/O port address
88	* @gpio: GPIO number (0-7 for GP10-GP17, 8-15 for GP30-GP37)
89	* @dir: GPIO_DIR_INPUT or GPIO_DIR_OUTPUT
90	* @pol: GPIO_POL_NO_INVERT or GPIO_POL_INVERT
91	* @type: GPIO_TYPE_PUSH_PULL or GPIO_TYPE_OPEN_DRAIN
92	*/
93	void sio1007_gpio_config(int port, int gpio, int dir, int pol, int type);
94
95	/**
96	* Get a GPIO pin value.
97	* This will work whether the GPIO is an input or an output.
98	*
99	* @port: runtime register block I/O port address
100	* @gpio: GPIO number (0-7 for GP10-GP17, 8-15 for GP30-GP37)
101	* @return: 0 if low, 1 if high, -EINVAL if gpio number is invalid
102	*/
103	int sio1007_gpio_get_value(int port, int gpio);
104
105	/**
106	* Set a GPIO pin value.
107	* This will only work when the GPIO is configured as an output.
108	*
109	* @port: runtime register block I/O port address
110	* @gpio: GPIO number (0-7 for GP10-GP17, 8-15 for GP30-GP37)
111	* @val: 0 if low, 1 if high
112	*/
113	void sio1007_gpio_set_value(int port, int gpio, int val);
114
115	#endif /* _SMSC_SIO1007_H_ */