summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-omap/include/mach/fpga.h
blob: f1864a652f7a9adde718fc646062db39a0941ceb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
/*
 * arch/arm/plat-omap/include/mach/fpga.h
 *
 * Interrupt handler for OMAP-1510 FPGA
 *
 * Copyright (C) 2001 RidgeRun, Inc.
 * Author: Greg Lonnon <glonnon@ridgerun.com>
 *
 * Copyright (C) 2002 MontaVista Software, Inc.
 *
 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef __ASM_ARCH_OMAP_FPGA_H
#define __ASM_ARCH_OMAP_FPGA_H

#if defined(CONFIG_MACH_OMAP_INNOVATOR) && defined(CONFIG_ARCH_OMAP15XX)
extern void omap1510_fpga_init_irq(void);
#else
#define omap1510_fpga_init_irq()	(0)
#endif

#define fpga_read(reg)			__raw_readb(reg)
#define fpga_write(val, reg)		__raw_writeb(val, reg)

/*
 * ---------------------------------------------------------------------------
 *  H2/P2 Debug board FPGA
 * ---------------------------------------------------------------------------
 */
/* maps in the FPGA registers and the ETHR registers */
#define H2P2_DBG_FPGA_BASE		IOMEM(0xE8000000)	/* VA */
#define H2P2_DBG_FPGA_SIZE		SZ_4K			/* SIZE */
#define H2P2_DBG_FPGA_START		0x04000000		/* PA */

#define H2P2_DBG_FPGA_ETHR_START	(H2P2_DBG_FPGA_START + 0x300)
#define H2P2_DBG_FPGA_FPGA_REV		(H2P2_DBG_FPGA_BASE + 0x10)	/* FPGA Revision */
#define H2P2_DBG_FPGA_BOARD_REV		(H2P2_DBG_FPGA_BASE + 0x12)	/* Board Revision */
#define H2P2_DBG_FPGA_GPIO		(H2P2_DBG_FPGA_BASE + 0x14)	/* GPIO outputs */
#define H2P2_DBG_FPGA_LEDS		(H2P2_DBG_FPGA_BASE + 0x16)	/* LEDs outputs */
#define H2P2_DBG_FPGA_MISC_INPUTS	(H2P2_DBG_FPGA_BASE + 0x18)	/* Misc inputs */
#define H2P2_DBG_FPGA_LAN_STATUS	(H2P2_DBG_FPGA_BASE + 0x1A)	/* LAN Status line */
#define H2P2_DBG_FPGA_LAN_RESET		(H2P2_DBG_FPGA_BASE + 0x1C)	/* LAN Reset line */

/* NOTE:  most boards don't have a static mapping for the FPGA ... */
struct h2p2_dbg_fpga {
	/* offset 0x00 */
	u16		smc91x[8];
	/* offset 0x10 */
	u16		fpga_rev;
	u16		board_rev;
	u16		gpio_outputs;
	u16		leds;
	/* offset 0x18 */
	u16		misc_inputs;
	u16		lan_status;
	u16		lan_reset;
	u16		reserved0;
	/* offset 0x20 */
	u16		ps2_data;
	u16		ps2_ctrl;
	/* plus also 4 rs232 ports ... */
};

/* LEDs definition on debug board (16 LEDs, all physically green) */
#define H2P2_DBG_FPGA_LED_GREEN		(1 << 15)
#define H2P2_DBG_FPGA_LED_AMBER		(1 << 14)
#define H2P2_DBG_FPGA_LED_RED		(1 << 13)
#define H2P2_DBG_FPGA_LED_BLUE		(1 << 12)
/*  cpu0 load-meter LEDs */
#define H2P2_DBG_FPGA_LOAD_METER	(1 << 0)	// A bit of fun on our board ...
#define H2P2_DBG_FPGA_LOAD_METER_SIZE	11
#define H2P2_DBG_FPGA_LOAD_METER_MASK	((1 << H2P2_DBG_FPGA_LOAD_METER_SIZE) - 1)

#define H2P2_DBG_FPGA_P2_LED_TIMER		(1 << 0)
#define H2P2_DBG_FPGA_P2_LED_IDLE		(1 << 1)

/*
 * ---------------------------------------------------------------------------
 *  OMAP-1510 FPGA
 * ---------------------------------------------------------------------------
 */
#define OMAP1510_FPGA_BASE		IOMEM(0xE8000000)	/* VA */
#define OMAP1510_FPGA_SIZE		SZ_4K
#define OMAP1510_FPGA_START		0x08000000		/* PA */

/* Revision */
#define OMAP1510_FPGA_REV_LOW			(OMAP1510_FPGA_BASE + 0x0)
#define OMAP1510_FPGA_REV_HIGH			(OMAP1510_FPGA_BASE + 0x1)

#define OMAP1510_FPGA_LCD_PANEL_CONTROL		(OMAP1510_FPGA_BASE + 0x2)
#define OMAP1510_FPGA_LED_DIGIT			(OMAP1510_FPGA_BASE + 0x3)
#define INNOVATOR_FPGA_HID_SPI			(OMAP1510_FPGA_BASE + 0x4)
#define OMAP1510_FPGA_POWER			(OMAP1510_FPGA_BASE + 0x5)

/* Interrupt status */
#define OMAP1510_FPGA_ISR_LO			(OMAP1510_FPGA_BASE + 0x6)
#define OMAP1510_FPGA_ISR_HI			(OMAP1510_FPGA_BASE + 0x7)

/* Interrupt mask */
#define OMAP1510_FPGA_IMR_LO			(OMAP1510_FPGA_BASE + 0x8)
#define OMAP1510_FPGA_IMR_HI			(OMAP1510_FPGA_BASE + 0x9)

/* Reset registers */
#define OMAP1510_FPGA_HOST_RESET		(OMAP1510_FPGA_BASE + 0xa)
#define OMAP1510_FPGA_RST			(OMAP1510_FPGA_BASE + 0xb)

#define OMAP1510_FPGA_AUDIO			(OMAP1510_FPGA_BASE + 0xc)
#define OMAP1510_FPGA_DIP			(OMAP1510_FPGA_BASE + 0xe)
#define OMAP1510_FPGA_FPGA_IO			(OMAP1510_FPGA_BASE + 0xf)
#define OMAP1510_FPGA_UART1			(OMAP1510_FPGA_BASE + 0x14)
#define OMAP1510_FPGA_UART2			(OMAP1510_FPGA_BASE + 0x15)
#define OMAP1510_FPGA_OMAP1510_STATUS		(OMAP1510_FPGA_BASE + 0x16)
#define OMAP1510_FPGA_BOARD_REV			(OMAP1510_FPGA_BASE + 0x18)
#define OMAP1510P1_PPT_DATA			(OMAP1510_FPGA_BASE + 0x100)
#define OMAP1510P1_PPT_STATUS			(OMAP1510_FPGA_BASE + 0x101)
#define OMAP1510P1_PPT_CONTROL			(OMAP1510_FPGA_BASE + 0x102)

#define OMAP1510_FPGA_TOUCHSCREEN		(OMAP1510_FPGA_BASE + 0x204)

#define INNOVATOR_FPGA_INFO			(OMAP1510_FPGA_BASE + 0x205)
#define INNOVATOR_FPGA_LCD_BRIGHT_LO		(OMAP1510_FPGA_BASE + 0x206)
#define INNOVATOR_FPGA_LCD_BRIGHT_HI		(OMAP1510_FPGA_BASE + 0x207)
#define INNOVATOR_FPGA_LED_GRN_LO		(OMAP1510_FPGA_BASE + 0x208)
#define INNOVATOR_FPGA_LED_GRN_HI		(OMAP1510_FPGA_BASE + 0x209)
#define INNOVATOR_FPGA_LED_RED_LO		(OMAP1510_FPGA_BASE + 0x20a)
#define INNOVATOR_FPGA_LED_RED_HI		(OMAP1510_FPGA_BASE + 0x20b)
#define INNOVATOR_FPGA_CAM_USB_CONTROL		(OMAP1510_FPGA_BASE + 0x20c)
#define INNOVATOR_FPGA_EXP_CONTROL		(OMAP1510_FPGA_BASE + 0x20d)
#define INNOVATOR_FPGA_ISR2			(OMAP1510_FPGA_BASE + 0x20e)
#define INNOVATOR_FPGA_IMR2			(OMAP1510_FPGA_BASE + 0x210)

#define OMAP1510_FPGA_ETHR_START		(OMAP1510_FPGA_START + 0x300)

/*
 * Power up Giga UART driver, turn on HID clock.
 * Turn off BT power, since we're not using it and it
 * draws power.
 */
#define OMAP1510_FPGA_RESET_VALUE		0x42

#define OMAP1510_FPGA_PCR_IF_PD0		(1 << 7)
#define OMAP1510_FPGA_PCR_COM2_EN		(1 << 6)
#define OMAP1510_FPGA_PCR_COM1_EN		(1 << 5)
#define OMAP1510_FPGA_PCR_EXP_PD0		(1 << 4)
#define OMAP1510_FPGA_PCR_EXP_PD1		(1 << 3)
#define OMAP1510_FPGA_PCR_48MHZ_CLK		(1 << 2)
#define OMAP1510_FPGA_PCR_4MHZ_CLK		(1 << 1)
#define OMAP1510_FPGA_PCR_RSRVD_BIT0		(1 << 0)

/*
 * Innovator/OMAP1510 FPGA HID register bit definitions
 */
#define OMAP1510_FPGA_HID_SCLK	(1<<0)	/* output */
#define OMAP1510_FPGA_HID_MOSI	(1<<1)	/* output */
#define OMAP1510_FPGA_HID_nSS	(1<<2)	/* output 0/1 chip idle/select */
#define OMAP1510_FPGA_HID_nHSUS	(1<<3)	/* output 0/1 host active/suspended */
#define OMAP1510_FPGA_HID_MISO	(1<<4)	/* input */
#define OMAP1510_FPGA_HID_ATN	(1<<5)	/* input  0/1 chip idle/ATN */
#define OMAP1510_FPGA_HID_rsrvd	(1<<6)
#define OMAP1510_FPGA_HID_RESETn (1<<7)	/* output - 0/1 USAR reset/run */

/* The FPGA IRQ is cascaded through GPIO_13 */
#define OMAP1510_INT_FPGA		(IH_GPIO_BASE + 13)

/* IRQ Numbers for interrupts muxed through the FPGA */
#define OMAP1510_INT_FPGA_ATN		(OMAP_FPGA_IRQ_BASE + 0)
#define OMAP1510_INT_FPGA_ACK		(OMAP_FPGA_IRQ_BASE + 1)
#define OMAP1510_INT_FPGA2		(OMAP_FPGA_IRQ_BASE + 2)
#define OMAP1510_INT_FPGA3		(OMAP_FPGA_IRQ_BASE + 3)
#define OMAP1510_INT_FPGA4		(OMAP_FPGA_IRQ_BASE + 4)
#define OMAP1510_INT_FPGA5		(OMAP_FPGA_IRQ_BASE + 5)
#define OMAP1510_INT_FPGA6		(OMAP_FPGA_IRQ_BASE + 6)
#define OMAP1510_INT_FPGA7		(OMAP_FPGA_IRQ_BASE + 7)
#define OMAP1510_INT_FPGA8		(OMAP_FPGA_IRQ_BASE + 8)
#define OMAP1510_INT_FPGA9		(OMAP_FPGA_IRQ_BASE + 9)
#define OMAP1510_INT_FPGA10		(OMAP_FPGA_IRQ_BASE + 10)
#define OMAP1510_INT_FPGA11		(OMAP_FPGA_IRQ_BASE + 11)
#define OMAP1510_INT_FPGA12		(OMAP_FPGA_IRQ_BASE + 12)
#define OMAP1510_INT_ETHER		(OMAP_FPGA_IRQ_BASE + 13)
#define OMAP1510_INT_FPGAUART1		(OMAP_FPGA_IRQ_BASE + 14)
#define OMAP1510_INT_FPGAUART2		(OMAP_FPGA_IRQ_BASE + 15)
#define OMAP1510_INT_FPGA_TS		(OMAP_FPGA_IRQ_BASE + 16)
#define OMAP1510_INT_FPGA17		(OMAP_FPGA_IRQ_BASE + 17)
#define OMAP1510_INT_FPGA_CAM		(OMAP_FPGA_IRQ_BASE + 18)
#define OMAP1510_INT_FPGA_RTC_A		(OMAP_FPGA_IRQ_BASE + 19)
#define OMAP1510_INT_FPGA_RTC_B		(OMAP_FPGA_IRQ_BASE + 20)
#define OMAP1510_INT_FPGA_CD		(OMAP_FPGA_IRQ_BASE + 21)
#define OMAP1510_INT_FPGA22		(OMAP_FPGA_IRQ_BASE + 22)
#define OMAP1510_INT_FPGA23		(OMAP_FPGA_IRQ_BASE + 23)

#endif
OpenPOWER on IntegriCloud