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