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1da177e4 | 1 | /* |
a09e64fb | 2 | * arch/arm/plat-omap/include/mach/fpga.h |
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3 | * |
4 | * Interrupt handler for OMAP-1510 FPGA | |
5 | * | |
6 | * Copyright (C) 2001 RidgeRun, Inc. | |
7 | * Author: Greg Lonnon <glonnon@ridgerun.com> | |
8 | * | |
9 | * Copyright (C) 2002 MontaVista Software, Inc. | |
10 | * | |
11 | * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6 | |
12 | * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com> | |
13 | * | |
14 | * This program is free software; you can redistribute it and/or modify | |
15 | * it under the terms of the GNU General Public License version 2 as | |
16 | * published by the Free Software Foundation. | |
17 | */ | |
18 | ||
19 | #ifndef __ASM_ARCH_OMAP_FPGA_H | |
20 | #define __ASM_ARCH_OMAP_FPGA_H | |
21 | ||
1da177e4 | 22 | extern void omap1510_fpga_init_irq(void); |
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23 | |
24 | #define fpga_read(reg) __raw_readb(reg) | |
25 | #define fpga_write(val, reg) __raw_writeb(val, reg) | |
26 | ||
27 | /* | |
28 | * --------------------------------------------------------------------------- | |
29 | * H2/P2 Debug board FPGA | |
30 | * --------------------------------------------------------------------------- | |
31 | */ | |
32 | /* maps in the FPGA registers and the ETHR registers */ | |
0062f104 RK |
33 | #define H2P2_DBG_FPGA_BASE IOMEM(0xE8000000) /* VA */ |
34 | #define H2P2_DBG_FPGA_SIZE SZ_4K /* SIZE */ | |
35 | #define H2P2_DBG_FPGA_START 0x04000000 /* PA */ | |
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36 | |
37 | #define H2P2_DBG_FPGA_ETHR_START (H2P2_DBG_FPGA_START + 0x300) | |
38 | #define H2P2_DBG_FPGA_FPGA_REV (H2P2_DBG_FPGA_BASE + 0x10) /* FPGA Revision */ | |
39 | #define H2P2_DBG_FPGA_BOARD_REV (H2P2_DBG_FPGA_BASE + 0x12) /* Board Revision */ | |
40 | #define H2P2_DBG_FPGA_GPIO (H2P2_DBG_FPGA_BASE + 0x14) /* GPIO outputs */ | |
41 | #define H2P2_DBG_FPGA_LEDS (H2P2_DBG_FPGA_BASE + 0x16) /* LEDs outputs */ | |
42 | #define H2P2_DBG_FPGA_MISC_INPUTS (H2P2_DBG_FPGA_BASE + 0x18) /* Misc inputs */ | |
43 | #define H2P2_DBG_FPGA_LAN_STATUS (H2P2_DBG_FPGA_BASE + 0x1A) /* LAN Status line */ | |
44 | #define H2P2_DBG_FPGA_LAN_RESET (H2P2_DBG_FPGA_BASE + 0x1C) /* LAN Reset line */ | |
45 | ||
46 | /* NOTE: most boards don't have a static mapping for the FPGA ... */ | |
47 | struct h2p2_dbg_fpga { | |
48 | /* offset 0x00 */ | |
49 | u16 smc91x[8]; | |
50 | /* offset 0x10 */ | |
51 | u16 fpga_rev; | |
52 | u16 board_rev; | |
53 | u16 gpio_outputs; | |
54 | u16 leds; | |
55 | /* offset 0x18 */ | |
56 | u16 misc_inputs; | |
57 | u16 lan_status; | |
58 | u16 lan_reset; | |
59 | u16 reserved0; | |
60 | /* offset 0x20 */ | |
61 | u16 ps2_data; | |
62 | u16 ps2_ctrl; | |
63 | /* plus also 4 rs232 ports ... */ | |
64 | }; | |
65 | ||
66 | /* LEDs definition on debug board (16 LEDs, all physically green) */ | |
67 | #define H2P2_DBG_FPGA_LED_GREEN (1 << 15) | |
68 | #define H2P2_DBG_FPGA_LED_AMBER (1 << 14) | |
69 | #define H2P2_DBG_FPGA_LED_RED (1 << 13) | |
70 | #define H2P2_DBG_FPGA_LED_BLUE (1 << 12) | |
71 | /* cpu0 load-meter LEDs */ | |
72 | #define H2P2_DBG_FPGA_LOAD_METER (1 << 0) // A bit of fun on our board ... | |
73 | #define H2P2_DBG_FPGA_LOAD_METER_SIZE 11 | |
74 | #define H2P2_DBG_FPGA_LOAD_METER_MASK ((1 << H2P2_DBG_FPGA_LOAD_METER_SIZE) - 1) | |
75 | ||
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76 | #define H2P2_DBG_FPGA_P2_LED_TIMER (1 << 0) |
77 | #define H2P2_DBG_FPGA_P2_LED_IDLE (1 << 1) | |
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78 | |
79 | /* | |
80 | * --------------------------------------------------------------------------- | |
81 | * OMAP-1510 FPGA | |
82 | * --------------------------------------------------------------------------- | |
83 | */ | |
0062f104 RK |
84 | #define OMAP1510_FPGA_BASE IOMEM(0xE8000000) /* VA */ |
85 | #define OMAP1510_FPGA_SIZE SZ_4K | |
86 | #define OMAP1510_FPGA_START 0x08000000 /* PA */ | |
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87 | |
88 | /* Revision */ | |
89 | #define OMAP1510_FPGA_REV_LOW (OMAP1510_FPGA_BASE + 0x0) | |
90 | #define OMAP1510_FPGA_REV_HIGH (OMAP1510_FPGA_BASE + 0x1) | |
91 | ||
92 | #define OMAP1510_FPGA_LCD_PANEL_CONTROL (OMAP1510_FPGA_BASE + 0x2) | |
93 | #define OMAP1510_FPGA_LED_DIGIT (OMAP1510_FPGA_BASE + 0x3) | |
94 | #define INNOVATOR_FPGA_HID_SPI (OMAP1510_FPGA_BASE + 0x4) | |
95 | #define OMAP1510_FPGA_POWER (OMAP1510_FPGA_BASE + 0x5) | |
96 | ||
97 | /* Interrupt status */ | |
98 | #define OMAP1510_FPGA_ISR_LO (OMAP1510_FPGA_BASE + 0x6) | |
99 | #define OMAP1510_FPGA_ISR_HI (OMAP1510_FPGA_BASE + 0x7) | |
100 | ||
101 | /* Interrupt mask */ | |
102 | #define OMAP1510_FPGA_IMR_LO (OMAP1510_FPGA_BASE + 0x8) | |
103 | #define OMAP1510_FPGA_IMR_HI (OMAP1510_FPGA_BASE + 0x9) | |
104 | ||
105 | /* Reset registers */ | |
106 | #define OMAP1510_FPGA_HOST_RESET (OMAP1510_FPGA_BASE + 0xa) | |
107 | #define OMAP1510_FPGA_RST (OMAP1510_FPGA_BASE + 0xb) | |
108 | ||
109 | #define OMAP1510_FPGA_AUDIO (OMAP1510_FPGA_BASE + 0xc) | |
110 | #define OMAP1510_FPGA_DIP (OMAP1510_FPGA_BASE + 0xe) | |
111 | #define OMAP1510_FPGA_FPGA_IO (OMAP1510_FPGA_BASE + 0xf) | |
112 | #define OMAP1510_FPGA_UART1 (OMAP1510_FPGA_BASE + 0x14) | |
113 | #define OMAP1510_FPGA_UART2 (OMAP1510_FPGA_BASE + 0x15) | |
114 | #define OMAP1510_FPGA_OMAP1510_STATUS (OMAP1510_FPGA_BASE + 0x16) | |
115 | #define OMAP1510_FPGA_BOARD_REV (OMAP1510_FPGA_BASE + 0x18) | |
116 | #define OMAP1510P1_PPT_DATA (OMAP1510_FPGA_BASE + 0x100) | |
117 | #define OMAP1510P1_PPT_STATUS (OMAP1510_FPGA_BASE + 0x101) | |
118 | #define OMAP1510P1_PPT_CONTROL (OMAP1510_FPGA_BASE + 0x102) | |
119 | ||
120 | #define OMAP1510_FPGA_TOUCHSCREEN (OMAP1510_FPGA_BASE + 0x204) | |
121 | ||
122 | #define INNOVATOR_FPGA_INFO (OMAP1510_FPGA_BASE + 0x205) | |
123 | #define INNOVATOR_FPGA_LCD_BRIGHT_LO (OMAP1510_FPGA_BASE + 0x206) | |
124 | #define INNOVATOR_FPGA_LCD_BRIGHT_HI (OMAP1510_FPGA_BASE + 0x207) | |
125 | #define INNOVATOR_FPGA_LED_GRN_LO (OMAP1510_FPGA_BASE + 0x208) | |
126 | #define INNOVATOR_FPGA_LED_GRN_HI (OMAP1510_FPGA_BASE + 0x209) | |
127 | #define INNOVATOR_FPGA_LED_RED_LO (OMAP1510_FPGA_BASE + 0x20a) | |
128 | #define INNOVATOR_FPGA_LED_RED_HI (OMAP1510_FPGA_BASE + 0x20b) | |
129 | #define INNOVATOR_FPGA_CAM_USB_CONTROL (OMAP1510_FPGA_BASE + 0x20c) | |
130 | #define INNOVATOR_FPGA_EXP_CONTROL (OMAP1510_FPGA_BASE + 0x20d) | |
131 | #define INNOVATOR_FPGA_ISR2 (OMAP1510_FPGA_BASE + 0x20e) | |
132 | #define INNOVATOR_FPGA_IMR2 (OMAP1510_FPGA_BASE + 0x210) | |
133 | ||
134 | #define OMAP1510_FPGA_ETHR_START (OMAP1510_FPGA_START + 0x300) | |
135 | ||
136 | /* | |
137 | * Power up Giga UART driver, turn on HID clock. | |
138 | * Turn off BT power, since we're not using it and it | |
139 | * draws power. | |
140 | */ | |
141 | #define OMAP1510_FPGA_RESET_VALUE 0x42 | |
142 | ||
143 | #define OMAP1510_FPGA_PCR_IF_PD0 (1 << 7) | |
144 | #define OMAP1510_FPGA_PCR_COM2_EN (1 << 6) | |
145 | #define OMAP1510_FPGA_PCR_COM1_EN (1 << 5) | |
146 | #define OMAP1510_FPGA_PCR_EXP_PD0 (1 << 4) | |
147 | #define OMAP1510_FPGA_PCR_EXP_PD1 (1 << 3) | |
148 | #define OMAP1510_FPGA_PCR_48MHZ_CLK (1 << 2) | |
149 | #define OMAP1510_FPGA_PCR_4MHZ_CLK (1 << 1) | |
150 | #define OMAP1510_FPGA_PCR_RSRVD_BIT0 (1 << 0) | |
151 | ||
152 | /* | |
153 | * Innovator/OMAP1510 FPGA HID register bit definitions | |
154 | */ | |
155 | #define OMAP1510_FPGA_HID_SCLK (1<<0) /* output */ | |
156 | #define OMAP1510_FPGA_HID_MOSI (1<<1) /* output */ | |
157 | #define OMAP1510_FPGA_HID_nSS (1<<2) /* output 0/1 chip idle/select */ | |
158 | #define OMAP1510_FPGA_HID_nHSUS (1<<3) /* output 0/1 host active/suspended */ | |
159 | #define OMAP1510_FPGA_HID_MISO (1<<4) /* input */ | |
160 | #define OMAP1510_FPGA_HID_ATN (1<<5) /* input 0/1 chip idle/ATN */ | |
161 | #define OMAP1510_FPGA_HID_rsrvd (1<<6) | |
162 | #define OMAP1510_FPGA_HID_RESETn (1<<7) /* output - 0/1 USAR reset/run */ | |
163 | ||
164 | /* The FPGA IRQ is cascaded through GPIO_13 */ | |
165 | #define OMAP1510_INT_FPGA (IH_GPIO_BASE + 13) | |
166 | ||
167 | /* IRQ Numbers for interrupts muxed through the FPGA */ | |
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168 | #define OMAP1510_INT_FPGA_ATN (OMAP_FPGA_IRQ_BASE + 0) |
169 | #define OMAP1510_INT_FPGA_ACK (OMAP_FPGA_IRQ_BASE + 1) | |
170 | #define OMAP1510_INT_FPGA2 (OMAP_FPGA_IRQ_BASE + 2) | |
171 | #define OMAP1510_INT_FPGA3 (OMAP_FPGA_IRQ_BASE + 3) | |
172 | #define OMAP1510_INT_FPGA4 (OMAP_FPGA_IRQ_BASE + 4) | |
173 | #define OMAP1510_INT_FPGA5 (OMAP_FPGA_IRQ_BASE + 5) | |
174 | #define OMAP1510_INT_FPGA6 (OMAP_FPGA_IRQ_BASE + 6) | |
175 | #define OMAP1510_INT_FPGA7 (OMAP_FPGA_IRQ_BASE + 7) | |
176 | #define OMAP1510_INT_FPGA8 (OMAP_FPGA_IRQ_BASE + 8) | |
177 | #define OMAP1510_INT_FPGA9 (OMAP_FPGA_IRQ_BASE + 9) | |
178 | #define OMAP1510_INT_FPGA10 (OMAP_FPGA_IRQ_BASE + 10) | |
179 | #define OMAP1510_INT_FPGA11 (OMAP_FPGA_IRQ_BASE + 11) | |
180 | #define OMAP1510_INT_FPGA12 (OMAP_FPGA_IRQ_BASE + 12) | |
181 | #define OMAP1510_INT_ETHER (OMAP_FPGA_IRQ_BASE + 13) | |
182 | #define OMAP1510_INT_FPGAUART1 (OMAP_FPGA_IRQ_BASE + 14) | |
183 | #define OMAP1510_INT_FPGAUART2 (OMAP_FPGA_IRQ_BASE + 15) | |
184 | #define OMAP1510_INT_FPGA_TS (OMAP_FPGA_IRQ_BASE + 16) | |
185 | #define OMAP1510_INT_FPGA17 (OMAP_FPGA_IRQ_BASE + 17) | |
186 | #define OMAP1510_INT_FPGA_CAM (OMAP_FPGA_IRQ_BASE + 18) | |
187 | #define OMAP1510_INT_FPGA_RTC_A (OMAP_FPGA_IRQ_BASE + 19) | |
188 | #define OMAP1510_INT_FPGA_RTC_B (OMAP_FPGA_IRQ_BASE + 20) | |
189 | #define OMAP1510_INT_FPGA_CD (OMAP_FPGA_IRQ_BASE + 21) | |
190 | #define OMAP1510_INT_FPGA22 (OMAP_FPGA_IRQ_BASE + 22) | |
191 | #define OMAP1510_INT_FPGA23 (OMAP_FPGA_IRQ_BASE + 23) | |
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192 | |
193 | #endif |