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1da177e4 | 1 | /* |
a09e64fb | 2 | * arch/arm/mach-pxa/include/mach/idp.h |
1da177e4 LT |
3 | * |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * Copyright (c) 2001 Cliff Brake, Accelent Systems Inc. | |
9 | * | |
10 | * 2001-09-13: Cliff Brake <cbrake@accelent.com> | |
11 | * Initial code | |
12 | * | |
13 | * 2005-02-15: Cliff Brake <cliff.brake@gmail.com> | |
14 | * <http://www.vibren.com> <http://bec-systems.com> | |
15 | * Changes for 2.6 kernel. | |
16 | */ | |
17 | ||
1da177e4 LT |
18 | |
19 | /* | |
20 | * Note: this file must be safe to include in assembly files | |
21 | * | |
22 | * Support for the Vibren PXA255 IDP requires rev04 or later | |
23 | * IDP hardware. | |
24 | */ | |
25 | ||
26 | ||
27 | #define IDP_FLASH_PHYS (PXA_CS0_PHYS) | |
28 | #define IDP_ALT_FLASH_PHYS (PXA_CS1_PHYS) | |
29 | #define IDP_MEDIAQ_PHYS (PXA_CS3_PHYS) | |
30 | #define IDP_IDE_PHYS (PXA_CS5_PHYS + 0x03000000) | |
31 | #define IDP_ETH_PHYS (PXA_CS5_PHYS + 0x03400000) | |
32 | #define IDP_COREVOLT_PHYS (PXA_CS5_PHYS + 0x03800000) | |
33 | #define IDP_CPLD_PHYS (PXA_CS5_PHYS + 0x03C00000) | |
34 | ||
35 | ||
36 | /* | |
37 | * virtual memory map | |
38 | */ | |
39 | ||
40 | #define IDP_COREVOLT_VIRT (0xf0000000) | |
41 | #define IDP_COREVOLT_SIZE (1*1024*1024) | |
42 | ||
43 | #define IDP_CPLD_VIRT (IDP_COREVOLT_VIRT + IDP_COREVOLT_SIZE) | |
44 | #define IDP_CPLD_SIZE (1*1024*1024) | |
45 | ||
46 | #if (IDP_CPLD_VIRT + IDP_CPLD_SIZE) > 0xfc000000 | |
47 | #error Your custom IO space is getting a bit large !! | |
48 | #endif | |
49 | ||
50 | #define CPLD_P2V(x) ((x) - IDP_CPLD_PHYS + IDP_CPLD_VIRT) | |
51 | #define CPLD_V2P(x) ((x) - IDP_CPLD_VIRT + IDP_CPLD_PHYS) | |
52 | ||
53 | #ifndef __ASSEMBLY__ | |
54 | # define __CPLD_REG(x) (*((volatile unsigned long *)CPLD_P2V(x))) | |
55 | #else | |
56 | # define __CPLD_REG(x) CPLD_P2V(x) | |
57 | #endif | |
58 | ||
59 | /* board level registers in the CPLD: (offsets from CPLD_VIRT) */ | |
60 | ||
61 | #define _IDP_CPLD_REV (IDP_CPLD_PHYS + 0x00) | |
62 | #define _IDP_CPLD_PERIPH_PWR (IDP_CPLD_PHYS + 0x04) | |
63 | #define _IDP_CPLD_LED_CONTROL (IDP_CPLD_PHYS + 0x08) | |
64 | #define _IDP_CPLD_KB_COL_HIGH (IDP_CPLD_PHYS + 0x0C) | |
65 | #define _IDP_CPLD_KB_COL_LOW (IDP_CPLD_PHYS + 0x10) | |
66 | #define _IDP_CPLD_PCCARD_EN (IDP_CPLD_PHYS + 0x14) | |
67 | #define _IDP_CPLD_GPIOH_DIR (IDP_CPLD_PHYS + 0x18) | |
68 | #define _IDP_CPLD_GPIOH_VALUE (IDP_CPLD_PHYS + 0x1C) | |
69 | #define _IDP_CPLD_GPIOL_DIR (IDP_CPLD_PHYS + 0x20) | |
70 | #define _IDP_CPLD_GPIOL_VALUE (IDP_CPLD_PHYS + 0x24) | |
71 | #define _IDP_CPLD_PCCARD_PWR (IDP_CPLD_PHYS + 0x28) | |
72 | #define _IDP_CPLD_MISC_CTRL (IDP_CPLD_PHYS + 0x2C) | |
73 | #define _IDP_CPLD_LCD (IDP_CPLD_PHYS + 0x30) | |
74 | #define _IDP_CPLD_FLASH_WE (IDP_CPLD_PHYS + 0x34) | |
75 | ||
76 | #define _IDP_CPLD_KB_ROW (IDP_CPLD_PHYS + 0x50) | |
77 | #define _IDP_CPLD_PCCARD0_STATUS (IDP_CPLD_PHYS + 0x54) | |
78 | #define _IDP_CPLD_PCCARD1_STATUS (IDP_CPLD_PHYS + 0x58) | |
79 | #define _IDP_CPLD_MISC_STATUS (IDP_CPLD_PHYS + 0x5C) | |
80 | ||
81 | /* FPGA register virtual addresses */ | |
82 | ||
83 | #define IDP_CPLD_REV __CPLD_REG(_IDP_CPLD_REV) | |
84 | #define IDP_CPLD_PERIPH_PWR __CPLD_REG(_IDP_CPLD_PERIPH_PWR) | |
85 | #define IDP_CPLD_LED_CONTROL __CPLD_REG(_IDP_CPLD_LED_CONTROL) | |
86 | #define IDP_CPLD_KB_COL_HIGH __CPLD_REG(_IDP_CPLD_KB_COL_HIGH) | |
87 | #define IDP_CPLD_KB_COL_LOW __CPLD_REG(_IDP_CPLD_KB_COL_LOW) | |
88 | #define IDP_CPLD_PCCARD_EN __CPLD_REG(_IDP_CPLD_PCCARD_EN) | |
89 | #define IDP_CPLD_GPIOH_DIR __CPLD_REG(_IDP_CPLD_GPIOH_DIR) | |
90 | #define IDP_CPLD_GPIOH_VALUE __CPLD_REG(_IDP_CPLD_GPIOH_VALUE) | |
91 | #define IDP_CPLD_GPIOL_DIR __CPLD_REG(_IDP_CPLD_GPIOL_DIR) | |
92 | #define IDP_CPLD_GPIOL_VALUE __CPLD_REG(_IDP_CPLD_GPIOL_VALUE) | |
93 | #define IDP_CPLD_PCCARD_PWR __CPLD_REG(_IDP_CPLD_PCCARD_PWR) | |
94 | #define IDP_CPLD_MISC_CTRL __CPLD_REG(_IDP_CPLD_MISC_CTRL) | |
95 | #define IDP_CPLD_LCD __CPLD_REG(_IDP_CPLD_LCD) | |
96 | #define IDP_CPLD_FLASH_WE __CPLD_REG(_IDP_CPLD_FLASH_WE) | |
97 | ||
98 | #define IDP_CPLD_KB_ROW __CPLD_REG(_IDP_CPLD_KB_ROW) | |
99 | #define IDP_CPLD_PCCARD0_STATUS __CPLD_REG(_IDP_CPLD_PCCARD0_STATUS) | |
100 | #define IDP_CPLD_PCCARD1_STATUS __CPLD_REG(_IDP_CPLD_PCCARD1_STATUS) | |
101 | #define IDP_CPLD_MISC_STATUS __CPLD_REG(_IDP_CPLD_MISC_STATUS) | |
102 | ||
103 | ||
104 | /* | |
105 | * Bit masks for various registers | |
106 | */ | |
107 | ||
108 | // IDP_CPLD_PCCARD_PWR | |
109 | #define PCC0_PWR0 (1 << 0) | |
110 | #define PCC0_PWR1 (1 << 1) | |
111 | #define PCC0_PWR2 (1 << 2) | |
112 | #define PCC0_PWR3 (1 << 3) | |
113 | #define PCC1_PWR0 (1 << 4) | |
114 | #define PCC1_PWR1 (1 << 5) | |
115 | #define PCC1_PWR2 (1 << 6) | |
116 | #define PCC1_PWR3 (1 << 7) | |
117 | ||
118 | // IDP_CPLD_PCCARD_EN | |
119 | #define PCC0_RESET (1 << 6) | |
120 | #define PCC1_RESET (1 << 7) | |
121 | #define PCC0_ENABLE (1 << 0) | |
122 | #define PCC1_ENABLE (1 << 1) | |
123 | ||
124 | // IDP_CPLD_PCCARDx_STATUS | |
125 | #define _PCC_WRPROT (1 << 7) // 7-4 read as low true | |
126 | #define _PCC_RESET (1 << 6) | |
127 | #define _PCC_IRQ (1 << 5) | |
128 | #define _PCC_INPACK (1 << 4) | |
129 | #define PCC_BVD2 (1 << 3) | |
130 | #define PCC_BVD1 (1 << 2) | |
131 | #define PCC_VS2 (1 << 1) | |
132 | #define PCC_VS1 (1 << 0) | |
133 | ||
134 | #define PCC_DETECT(x) (GPLR(7 + (x)) & GPIO_bit(7 + (x))) | |
135 | ||
136 | /* A listing of interrupts used by external hardware devices */ | |
137 | ||
138 | #define TOUCH_PANEL_IRQ IRQ_GPIO(5) | |
139 | #define IDE_IRQ IRQ_GPIO(21) | |
140 | ||
6cab4860 | 141 | #define TOUCH_PANEL_IRQ_EDGE IRQ_TYPE_EDGE_FALLING |
1da177e4 LT |
142 | |
143 | #define ETHERNET_IRQ IRQ_GPIO(4) | |
6cab4860 | 144 | #define ETHERNET_IRQ_EDGE IRQ_TYPE_EDGE_RISING |
1da177e4 | 145 | |
6cab4860 | 146 | #define IDE_IRQ_EDGE IRQ_TYPE_EDGE_RISING |
1da177e4 LT |
147 | |
148 | #define PCMCIA_S0_CD_VALID IRQ_GPIO(7) | |
6cab4860 | 149 | #define PCMCIA_S0_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH |
1da177e4 LT |
150 | |
151 | #define PCMCIA_S1_CD_VALID IRQ_GPIO(8) | |
6cab4860 | 152 | #define PCMCIA_S1_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH |
1da177e4 LT |
153 | |
154 | #define PCMCIA_S0_RDYINT IRQ_GPIO(19) | |
155 | #define PCMCIA_S1_RDYINT IRQ_GPIO(22) | |
156 | ||
157 | ||
158 | /* | |
159 | * Macros for LED Driver | |
160 | */ | |
161 | ||
162 | /* leds 0 = ON */ | |
163 | #define IDP_HB_LED (1<<5) | |
164 | #define IDP_BUSY_LED (1<<6) | |
165 | ||
166 | #define IDP_LEDS_MASK (IDP_HB_LED | IDP_BUSY_LED) | |
167 | ||
168 | /* | |
169 | * macros for MTD driver | |
170 | */ | |
171 | ||
172 | #define FLASH_WRITE_PROTECT_DISABLE() ((IDP_CPLD_FLASH_WE) &= ~(0x1)) | |
173 | #define FLASH_WRITE_PROTECT_ENABLE() ((IDP_CPLD_FLASH_WE) |= (0x1)) | |
174 | ||
175 | /* | |
176 | * macros for matrix keyboard driver | |
177 | */ | |
178 | ||
179 | #define KEYBD_MATRIX_NUMBER_INPUTS 7 | |
180 | #define KEYBD_MATRIX_NUMBER_OUTPUTS 14 | |
181 | ||
182 | #define KEYBD_MATRIX_INVERT_OUTPUT_LOGIC FALSE | |
183 | #define KEYBD_MATRIX_INVERT_INPUT_LOGIC FALSE | |
184 | ||
185 | #define KEYBD_MATRIX_SETTLING_TIME_US 100 | |
186 | #define KEYBD_MATRIX_KEYSTATE_DEBOUNCE_CONSTANT 2 | |
187 | ||
188 | #define KEYBD_MATRIX_SET_OUTPUTS(outputs) \ | |
189 | {\ | |
190 | IDP_CPLD_KB_COL_LOW = outputs;\ | |
191 | IDP_CPLD_KB_COL_HIGH = outputs >> 7;\ | |
192 | } | |
193 | ||
194 | #define KEYBD_MATRIX_GET_INPUTS(inputs) \ | |
195 | {\ | |
196 | inputs = (IDP_CPLD_KB_ROW & 0x7f);\ | |
197 | } | |
198 | ||
199 |