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Marc Zyngier352699a2008-08-14 17:20:31 +02001/*
2 * arch/arm/mach-pxa/include/mach/viper.h
3 *
4 * Author: Ian Campbell
5 * Created: Feb 03, 2003
6 * Copyright: Arcom Control Systems.
7 *
8 * Maintained by Marc Zyngier <maz@misterjones.org>
9 * <marc.zyngier@altran.com>
10 *
11 * Created based on lubbock.h:
12 * Author: Nicolas Pitre
13 * Created: Jun 15, 2001
14 * Copyright: MontaVista Software Inc.
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License version 2 as
18 * published by the Free Software Foundation.
19 */
20
21#ifndef ARCH_VIPER_H
22#define ARCH_VIPER_H
23
24#define VIPER_BOOT_PHYS PXA_CS0_PHYS
25#define VIPER_FLASH_PHYS PXA_CS1_PHYS
26#define VIPER_ETH_PHYS PXA_CS2_PHYS
27#define VIPER_USB_PHYS PXA_CS3_PHYS
28#define VIPER_ETH_DATA_PHYS PXA_CS4_PHYS
29#define VIPER_CPLD_PHYS PXA_CS5_PHYS
30
31#define VIPER_CPLD_BASE (0xf0000000)
32#define VIPER_PC104IO_BASE (0xf1000000)
33#define VIPER_USB_BASE (0xf1800000)
34
35#define VIPER_ETH_GPIO (0)
36#define VIPER_CPLD_GPIO (1)
37#define VIPER_USB_GPIO (2)
38#define VIPER_UARTA_GPIO (4)
39#define VIPER_UARTB_GPIO (3)
40#define VIPER_CF_CD_GPIO (32)
41#define VIPER_CF_RDY_GPIO (8)
42#define VIPER_BCKLIGHT_EN_GPIO (9)
43#define VIPER_LCD_EN_GPIO (10)
44#define VIPER_PSU_DATA_GPIO (6)
45#define VIPER_PSU_CLK_GPIO (11)
46#define VIPER_UART_SHDN_GPIO (12)
47#define VIPER_BRIGHTNESS_GPIO (16)
48#define VIPER_PSU_nCS_LD_GPIO (19)
49#define VIPER_UPS_GPIO (20)
50#define VIPER_CF_POWER_GPIO (82)
51#define VIPER_TPM_I2C_SDA_GPIO (26)
52#define VIPER_TPM_I2C_SCL_GPIO (27)
53#define VIPER_RTC_I2C_SDA_GPIO (83)
54#define VIPER_RTC_I2C_SCL_GPIO (84)
55
56#define VIPER_CPLD_P2V(x) ((x) - VIPER_CPLD_PHYS + VIPER_CPLD_BASE)
57#define VIPER_CPLD_V2P(x) ((x) - VIPER_CPLD_BASE + VIPER_CPLD_PHYS)
58
59#ifndef __ASSEMBLY__
60# define __VIPER_CPLD_REG(x) (*((volatile u16 *)VIPER_CPLD_P2V(x)))
61#endif
62
63/* board level registers in the CPLD: (offsets from CPLD_BASE) ... */
64
65/* ... Physical addresses */
66#define _VIPER_LO_IRQ_STATUS (VIPER_CPLD_PHYS + 0x100000)
67#define _VIPER_ICR_PHYS (VIPER_CPLD_PHYS + 0x100002)
68#define _VIPER_HI_IRQ_STATUS (VIPER_CPLD_PHYS + 0x100004)
69#define _VIPER_VERSION_PHYS (VIPER_CPLD_PHYS + 0x100006)
70#define VIPER_UARTA_PHYS (VIPER_CPLD_PHYS + 0x300010)
71#define VIPER_UARTB_PHYS (VIPER_CPLD_PHYS + 0x300000)
72#define _VIPER_SRAM_BASE (VIPER_CPLD_PHYS + 0x800000)
73
74/* ... Virtual addresses */
75#define VIPER_LO_IRQ_STATUS __VIPER_CPLD_REG(_VIPER_LO_IRQ_STATUS)
76#define VIPER_HI_IRQ_STATUS __VIPER_CPLD_REG(_VIPER_HI_IRQ_STATUS)
77#define VIPER_VERSION __VIPER_CPLD_REG(_VIPER_VERSION_PHYS)
78#define VIPER_ICR __VIPER_CPLD_REG(_VIPER_ICR_PHYS)
79
80/* Decode VIPER_VERSION register */
81#define VIPER_CPLD_REVISION(x) (((x) >> 5) & 0x7)
82#define VIPER_BOARD_VERSION(x) (((x) >> 3) & 0x3)
83#define VIPER_BOARD_ISSUE(x) (((x) >> 0) & 0x7)
84
85/* Interrupt and Configuration Register (VIPER_ICR) */
86/* This is a write only register. Only CF_RST is used under Linux */
87
Marc Zyngier352699a2008-08-14 17:20:31 +020088#define VIPER_ICR_RETRIG (1 << 0)
89#define VIPER_ICR_AUTO_CLR (1 << 1)
90#define VIPER_ICR_R_DIS (1 << 2)
91#define VIPER_ICR_CF_RST (1 << 3)
92
93#endif
94