idp.h
5.7 KB
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
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* arch/arm/mach-pxa/include/mach/idp.h
*
* Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
*
* 2001-09-13: Cliff Brake <cbrake@accelent.com>
* Initial code
*
* 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
* <http://www.vibren.com> <http://bec-systems.com>
* Changes for 2.6 kernel.
*/
/*
* Note: this file must be safe to include in assembly files
*
* Support for the Vibren PXA255 IDP requires rev04 or later
* IDP hardware.
*/
#include <mach/irqs.h> /* PXA_GPIO_TO_IRQ */
#define IDP_FLASH_PHYS (PXA_CS0_PHYS)
#define IDP_ALT_FLASH_PHYS (PXA_CS1_PHYS)
#define IDP_MEDIAQ_PHYS (PXA_CS3_PHYS)
#define IDP_IDE_PHYS (PXA_CS5_PHYS + 0x03000000)
#define IDP_ETH_PHYS (PXA_CS5_PHYS + 0x03400000)
#define IDP_COREVOLT_PHYS (PXA_CS5_PHYS + 0x03800000)
#define IDP_CPLD_PHYS (PXA_CS5_PHYS + 0x03C00000)
/*
* virtual memory map
*/
#define IDP_COREVOLT_VIRT (0xf0000000)
#define IDP_COREVOLT_SIZE (1*1024*1024)
#define IDP_CPLD_VIRT (IDP_COREVOLT_VIRT + IDP_COREVOLT_SIZE)
#define IDP_CPLD_SIZE (1*1024*1024)
#if (IDP_CPLD_VIRT + IDP_CPLD_SIZE) > 0xfc000000
#error Your custom IO space is getting a bit large !!
#endif
#define CPLD_P2V(x) ((x) - IDP_CPLD_PHYS + IDP_CPLD_VIRT)
#define CPLD_V2P(x) ((x) - IDP_CPLD_VIRT + IDP_CPLD_PHYS)
#ifndef __ASSEMBLY__
# define __CPLD_REG(x) (*((volatile unsigned long *)CPLD_P2V(x)))
#else
# define __CPLD_REG(x) CPLD_P2V(x)
#endif
/* board level registers in the CPLD: (offsets from CPLD_VIRT) */
#define _IDP_CPLD_REV (IDP_CPLD_PHYS + 0x00)
#define _IDP_CPLD_PERIPH_PWR (IDP_CPLD_PHYS + 0x04)
#define _IDP_CPLD_LED_CONTROL (IDP_CPLD_PHYS + 0x08)
#define _IDP_CPLD_KB_COL_HIGH (IDP_CPLD_PHYS + 0x0C)
#define _IDP_CPLD_KB_COL_LOW (IDP_CPLD_PHYS + 0x10)
#define _IDP_CPLD_PCCARD_EN (IDP_CPLD_PHYS + 0x14)
#define _IDP_CPLD_GPIOH_DIR (IDP_CPLD_PHYS + 0x18)
#define _IDP_CPLD_GPIOH_VALUE (IDP_CPLD_PHYS + 0x1C)
#define _IDP_CPLD_GPIOL_DIR (IDP_CPLD_PHYS + 0x20)
#define _IDP_CPLD_GPIOL_VALUE (IDP_CPLD_PHYS + 0x24)
#define _IDP_CPLD_PCCARD_PWR (IDP_CPLD_PHYS + 0x28)
#define _IDP_CPLD_MISC_CTRL (IDP_CPLD_PHYS + 0x2C)
#define _IDP_CPLD_LCD (IDP_CPLD_PHYS + 0x30)
#define _IDP_CPLD_FLASH_WE (IDP_CPLD_PHYS + 0x34)
#define _IDP_CPLD_KB_ROW (IDP_CPLD_PHYS + 0x50)
#define _IDP_CPLD_PCCARD0_STATUS (IDP_CPLD_PHYS + 0x54)
#define _IDP_CPLD_PCCARD1_STATUS (IDP_CPLD_PHYS + 0x58)
#define _IDP_CPLD_MISC_STATUS (IDP_CPLD_PHYS + 0x5C)
/* FPGA register virtual addresses */
#define IDP_CPLD_REV __CPLD_REG(_IDP_CPLD_REV)
#define IDP_CPLD_PERIPH_PWR __CPLD_REG(_IDP_CPLD_PERIPH_PWR)
#define IDP_CPLD_LED_CONTROL __CPLD_REG(_IDP_CPLD_LED_CONTROL)
#define IDP_CPLD_KB_COL_HIGH __CPLD_REG(_IDP_CPLD_KB_COL_HIGH)
#define IDP_CPLD_KB_COL_LOW __CPLD_REG(_IDP_CPLD_KB_COL_LOW)
#define IDP_CPLD_PCCARD_EN __CPLD_REG(_IDP_CPLD_PCCARD_EN)
#define IDP_CPLD_GPIOH_DIR __CPLD_REG(_IDP_CPLD_GPIOH_DIR)
#define IDP_CPLD_GPIOH_VALUE __CPLD_REG(_IDP_CPLD_GPIOH_VALUE)
#define IDP_CPLD_GPIOL_DIR __CPLD_REG(_IDP_CPLD_GPIOL_DIR)
#define IDP_CPLD_GPIOL_VALUE __CPLD_REG(_IDP_CPLD_GPIOL_VALUE)
#define IDP_CPLD_PCCARD_PWR __CPLD_REG(_IDP_CPLD_PCCARD_PWR)
#define IDP_CPLD_MISC_CTRL __CPLD_REG(_IDP_CPLD_MISC_CTRL)
#define IDP_CPLD_LCD __CPLD_REG(_IDP_CPLD_LCD)
#define IDP_CPLD_FLASH_WE __CPLD_REG(_IDP_CPLD_FLASH_WE)
#define IDP_CPLD_KB_ROW __CPLD_REG(_IDP_CPLD_KB_ROW)
#define IDP_CPLD_PCCARD0_STATUS __CPLD_REG(_IDP_CPLD_PCCARD0_STATUS)
#define IDP_CPLD_PCCARD1_STATUS __CPLD_REG(_IDP_CPLD_PCCARD1_STATUS)
#define IDP_CPLD_MISC_STATUS __CPLD_REG(_IDP_CPLD_MISC_STATUS)
/*
* Bit masks for various registers
*/
// IDP_CPLD_PCCARD_PWR
#define PCC0_PWR0 (1 << 0)
#define PCC0_PWR1 (1 << 1)
#define PCC0_PWR2 (1 << 2)
#define PCC0_PWR3 (1 << 3)
#define PCC1_PWR0 (1 << 4)
#define PCC1_PWR1 (1 << 5)
#define PCC1_PWR2 (1 << 6)
#define PCC1_PWR3 (1 << 7)
// IDP_CPLD_PCCARD_EN
#define PCC0_RESET (1 << 6)
#define PCC1_RESET (1 << 7)
#define PCC0_ENABLE (1 << 0)
#define PCC1_ENABLE (1 << 1)
// IDP_CPLD_PCCARDx_STATUS
#define _PCC_WRPROT (1 << 7) // 7-4 read as low true
#define _PCC_RESET (1 << 6)
#define _PCC_IRQ (1 << 5)
#define _PCC_INPACK (1 << 4)
#define PCC_BVD2 (1 << 3)
#define PCC_BVD1 (1 << 2)
#define PCC_VS2 (1 << 1)
#define PCC_VS1 (1 << 0)
/* A listing of interrupts used by external hardware devices */
#define TOUCH_PANEL_IRQ PXA_GPIO_TO_IRQ(5)
#define IDE_IRQ PXA_GPIO_TO_IRQ(21)
#define TOUCH_PANEL_IRQ_EDGE IRQ_TYPE_EDGE_FALLING
#define ETHERNET_IRQ PXA_GPIO_TO_IRQ(4)
#define ETHERNET_IRQ_EDGE IRQ_TYPE_EDGE_RISING
#define IDE_IRQ_EDGE IRQ_TYPE_EDGE_RISING
#define PCMCIA_S0_CD_VALID PXA_GPIO_TO_IRQ(7)
#define PCMCIA_S0_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH
#define PCMCIA_S1_CD_VALID PXA_GPIO_TO_IRQ(8)
#define PCMCIA_S1_CD_VALID_EDGE IRQ_TYPE_EDGE_BOTH
#define PCMCIA_S0_RDYINT PXA_GPIO_TO_IRQ(19)
#define PCMCIA_S1_RDYINT PXA_GPIO_TO_IRQ(22)
/*
* Macros for LED Driver
*/
/* leds 0 = ON */
#define IDP_HB_LED (1<<5)
#define IDP_BUSY_LED (1<<6)
#define IDP_LEDS_MASK (IDP_HB_LED | IDP_BUSY_LED)
/*
* macros for MTD driver
*/
#define FLASH_WRITE_PROTECT_DISABLE() ((IDP_CPLD_FLASH_WE) &= ~(0x1))
#define FLASH_WRITE_PROTECT_ENABLE() ((IDP_CPLD_FLASH_WE) |= (0x1))
/*
* macros for matrix keyboard driver
*/
#define KEYBD_MATRIX_NUMBER_INPUTS 7
#define KEYBD_MATRIX_NUMBER_OUTPUTS 14
#define KEYBD_MATRIX_INVERT_OUTPUT_LOGIC FALSE
#define KEYBD_MATRIX_INVERT_INPUT_LOGIC FALSE
#define KEYBD_MATRIX_SETTLING_TIME_US 100
#define KEYBD_MATRIX_KEYSTATE_DEBOUNCE_CONSTANT 2
#define KEYBD_MATRIX_SET_OUTPUTS(outputs) \
{\
IDP_CPLD_KB_COL_LOW = outputs;\
IDP_CPLD_KB_COL_HIGH = outputs >> 7;\
}
#define KEYBD_MATRIX_GET_INPUTS(inputs) \
{\
inputs = (IDP_CPLD_KB_ROW & 0x7f);\
}