1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * arch/arm/mach-pxa/include/mach/viper.h
4  *
5  * Author:	Ian Campbell
6  * Created:	Feb 03, 2003
7  * Copyright:	Arcom Control Systems.
8  *
9  * Maintained by Marc Zyngier <maz@misterjones.org>
10  *			      <marc.zyngier@altran.com>
11  *
12  * Created based on lubbock.h:
13  *  Author:	Nicolas Pitre
14  *  Created:	Jun 15, 2001
15  *  Copyright:	MontaVista Software Inc.
16  */
17 
18 #ifndef ARCH_VIPER_H
19 #define ARCH_VIPER_H
20 
21 #define VIPER_BOOT_PHYS		PXA_CS0_PHYS
22 #define VIPER_FLASH_PHYS	PXA_CS1_PHYS
23 #define VIPER_ETH_PHYS		PXA_CS2_PHYS
24 #define VIPER_USB_PHYS		PXA_CS3_PHYS
25 #define VIPER_ETH_DATA_PHYS	PXA_CS4_PHYS
26 #define VIPER_CPLD_PHYS		PXA_CS5_PHYS
27 
28 #define VIPER_CPLD_BASE		(0xf0000000)
29 #define VIPER_PC104IO_BASE	(0xf1000000)
30 #define VIPER_USB_BASE		(0xf1800000)
31 
32 #define VIPER_ETH_GPIO		(0)
33 #define VIPER_CPLD_GPIO		(1)
34 #define VIPER_USB_GPIO		(2)
35 #define VIPER_UARTA_GPIO	(4)
36 #define VIPER_UARTB_GPIO	(3)
37 #define VIPER_CF_CD_GPIO	(32)
38 #define VIPER_CF_RDY_GPIO	(8)
39 #define VIPER_BCKLIGHT_EN_GPIO	(9)
40 #define VIPER_LCD_EN_GPIO	(10)
41 #define VIPER_PSU_DATA_GPIO	(6)
42 #define VIPER_PSU_CLK_GPIO	(11)
43 #define VIPER_UART_SHDN_GPIO	(12)
44 #define VIPER_BRIGHTNESS_GPIO	(16)
45 #define VIPER_PSU_nCS_LD_GPIO	(19)
46 #define VIPER_UPS_GPIO		(20)
47 #define VIPER_CF_POWER_GPIO	(82)
48 #define VIPER_TPM_I2C_SDA_GPIO	(26)
49 #define VIPER_TPM_I2C_SCL_GPIO	(27)
50 #define VIPER_RTC_I2C_SDA_GPIO	(83)
51 #define VIPER_RTC_I2C_SCL_GPIO	(84)
52 
53 #define VIPER_CPLD_P2V(x)	((x) - VIPER_CPLD_PHYS + VIPER_CPLD_BASE)
54 #define VIPER_CPLD_V2P(x)	((x) - VIPER_CPLD_BASE + VIPER_CPLD_PHYS)
55 
56 #ifndef __ASSEMBLY__
57 #  define __VIPER_CPLD_REG(x)	(*((volatile u16 *)VIPER_CPLD_P2V(x)))
58 #endif
59 
60 /* board level registers in the CPLD: (offsets from CPLD_BASE) ... */
61 
62 /* ... Physical addresses */
63 #define _VIPER_LO_IRQ_STATUS	(VIPER_CPLD_PHYS + 0x100000)
64 #define _VIPER_ICR_PHYS		(VIPER_CPLD_PHYS + 0x100002)
65 #define _VIPER_HI_IRQ_STATUS	(VIPER_CPLD_PHYS + 0x100004)
66 #define _VIPER_VERSION_PHYS	(VIPER_CPLD_PHYS + 0x100006)
67 #define VIPER_UARTA_PHYS	(VIPER_CPLD_PHYS + 0x300010)
68 #define VIPER_UARTB_PHYS	(VIPER_CPLD_PHYS + 0x300000)
69 #define _VIPER_SRAM_BASE	(VIPER_CPLD_PHYS + 0x800000)
70 
71 /* ... Virtual addresses */
72 #define VIPER_LO_IRQ_STATUS	__VIPER_CPLD_REG(_VIPER_LO_IRQ_STATUS)
73 #define VIPER_HI_IRQ_STATUS	__VIPER_CPLD_REG(_VIPER_HI_IRQ_STATUS)
74 #define VIPER_VERSION		__VIPER_CPLD_REG(_VIPER_VERSION_PHYS)
75 #define VIPER_ICR		__VIPER_CPLD_REG(_VIPER_ICR_PHYS)
76 
77 /* Decode VIPER_VERSION register */
78 #define VIPER_CPLD_REVISION(x)	(((x) >> 5) & 0x7)
79 #define VIPER_BOARD_VERSION(x)	(((x) >> 3) & 0x3)
80 #define VIPER_BOARD_ISSUE(x)	(((x) >> 0) & 0x7)
81 
82 /* Interrupt and Configuration Register (VIPER_ICR) */
83 /* This is a write only register. Only CF_RST is used under Linux */
84 
85 #define VIPER_ICR_RETRIG	(1 << 0)
86 #define VIPER_ICR_AUTO_CLR	(1 << 1)
87 #define VIPER_ICR_R_DIS		(1 << 2)
88 #define VIPER_ICR_CF_RST	(1 << 3)
89 
90 #endif
91 
92