aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/Kconfig22
-rw-r--r--arch/arm/mach-pxa/Makefile13
-rw-r--r--arch/arm/mach-pxa/include/mach/entry-macro.S4
-rw-r--r--arch/arm/mach-pxa/include/mach/irqs.h19
-rw-r--r--arch/arm/mach-pxa/include/mach/viper.h96
-rw-r--r--arch/arm/mach-pxa/irq.c2
-rw-r--r--arch/arm/mach-pxa/viper.c951
7 files changed, 1090 insertions, 17 deletions
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 5548abd6390c..f781873431f3 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -38,16 +38,19 @@ config ARCH_LUBBOCK
38 bool "Intel DBPXA250 Development Platform" 38 bool "Intel DBPXA250 Development Platform"
39 select PXA25x 39 select PXA25x
40 select SA1111 40 select SA1111
41 select PXA_HAVE_BOARD_IRQS
41 42
42config MACH_LOGICPD_PXA270 43config MACH_LOGICPD_PXA270
43 bool "LogicPD PXA270 Card Engine Development Platform" 44 bool "LogicPD PXA270 Card Engine Development Platform"
44 select PXA27x 45 select PXA27x
45 select HAVE_PWM 46 select HAVE_PWM
47 select PXA_HAVE_BOARD_IRQS
46 48
47config MACH_MAINSTONE 49config MACH_MAINSTONE
48 bool "Intel HCDDBBVA0 Development Platform" 50 bool "Intel HCDDBBVA0 Development Platform"
49 select PXA27x 51 select PXA27x
50 select HAVE_PWM 52 select HAVE_PWM
53 select PXA_HAVE_BOARD_IRQS
51 54
52config MACH_MP900C 55config MACH_MP900C
53 bool "Nec Mobilepro 900/c" 56 bool "Nec Mobilepro 900/c"
@@ -118,10 +121,21 @@ config MACH_TOSA
118 bool "Enable Sharp SL-6000x (Tosa) Support" 121 bool "Enable Sharp SL-6000x (Tosa) Support"
119 depends on PXA_SHARPSL 122 depends on PXA_SHARPSL
120 select PXA25x 123 select PXA25x
124 select PXA_HAVE_BOARD_IRQS
125
126config ARCH_VIPER
127 bool "Arcom/Eurotech VIPER SBC"
128 select PXA25x
129 select ISA
130 select I2C_GPIO
131 select HAVE_PWM
132 select PXA_HAVE_BOARD_IRQS
133 select PXA_HAVE_ISA_IRQS
121 134
122config ARCH_PXA_ESERIES 135config ARCH_PXA_ESERIES
123 bool "PXA based Toshiba e-series PDAs" 136 bool "PXA based Toshiba e-series PDAs"
124 select PXA25x 137 select PXA25x
138 select PXA_HAVE_BOARD_IRQS
125 139
126config MACH_E330 140config MACH_E330
127 bool "Toshiba e330" 141 bool "Toshiba e330"
@@ -255,6 +269,7 @@ config MACH_MAGICIAN
255 bool "Enable HTC Magician Support" 269 bool "Enable HTC Magician Support"
256 select PXA27x 270 select PXA27x
257 select IWMMXT 271 select IWMMXT
272 select PXA_HAVE_BOARD_IRQS
258 273
259config MACH_MIOA701 274config MACH_MIOA701
260 bool "Mitac Mio A701 Support" 275 bool "Mitac Mio A701 Support"
@@ -273,6 +288,7 @@ config MACH_PCM027
273 select PXA27x 288 select PXA27x
274 select IWMMXT 289 select IWMMXT
275 select PXA_SSP 290 select PXA_SSP
291 select PXA_HAVE_BOARD_IRQS
276 292
277config ARCH_PXA_PALM 293config ARCH_PXA_PALM
278 bool "PXA based Palm PDAs" 294 bool "PXA based Palm PDAs"
@@ -408,4 +424,10 @@ config TOSA_BT
408 This is a simple driver that is able to control 424 This is a simple driver that is able to control
409 the state of built in bluetooth chip on tosa. 425 the state of built in bluetooth chip on tosa.
410 426
427config PXA_HAVE_BOARD_IRQS
428 bool
429
430config PXA_HAVE_ISA_IRQS
431 bool
432
411endif 433endif
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 30936e40fea6..3d2dea4afb87 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -39,13 +39,16 @@ obj-$(CONFIG_MACH_TOSA) += tosa.o
39obj-$(CONFIG_MACH_EM_X270) += em-x270.o 39obj-$(CONFIG_MACH_EM_X270) += em-x270.o
40obj-$(CONFIG_MACH_MAGICIAN) += magician.o 40obj-$(CONFIG_MACH_MAGICIAN) += magician.o
41obj-$(CONFIG_MACH_MIOA701) += mioa701.o mioa701_bootresume.o 41obj-$(CONFIG_MACH_MIOA701) += mioa701.o mioa701_bootresume.o
42obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o eseries_udc.o 42obj-$(CONFIG_ARCH_PXA_ESERIES) += eseries.o
43obj-$(CONFIG_MACH_E740) += e740_lcd.o 43obj-$(CONFIG_MACH_E330) += e330.o
44obj-$(CONFIG_MACH_E750) += e750_lcd.o 44obj-$(CONFIG_MACH_E350) += e350.o
45obj-$(CONFIG_MACH_E400) += e400_lcd.o 45obj-$(CONFIG_MACH_E740) += e740.o
46obj-$(CONFIG_MACH_E800) += e800_lcd.o 46obj-$(CONFIG_MACH_E750) += e750.o
47obj-$(CONFIG_MACH_E400) += e400.o
48obj-$(CONFIG_MACH_E800) += e800.o
47obj-$(CONFIG_MACH_PALMTX) += palmtx.o 49obj-$(CONFIG_MACH_PALMTX) += palmtx.o
48obj-$(CONFIG_MACH_PALMZ72) += palmz72.o 50obj-$(CONFIG_MACH_PALMZ72) += palmz72.o
51obj-$(CONFIG_ARCH_VIPER) += viper.o
49 52
50ifeq ($(CONFIG_MACH_ZYLONITE),y) 53ifeq ($(CONFIG_MACH_ZYLONITE),y)
51 obj-y += zylonite.o 54 obj-y += zylonite.o
diff --git a/arch/arm/mach-pxa/include/mach/entry-macro.S b/arch/arm/mach-pxa/include/mach/entry-macro.S
index de16c12d5232..f6b4bf3e73d2 100644
--- a/arch/arm/mach-pxa/include/mach/entry-macro.S
+++ b/arch/arm/mach-pxa/include/mach/entry-macro.S
@@ -41,7 +41,7 @@
41 and \irqstat, \irqstat, \irqnr 41 and \irqstat, \irqstat, \irqnr
42 clz \irqnr, \irqstat 42 clz \irqnr, \irqstat
43 rsb \irqnr, \irqnr, #31 43 rsb \irqnr, \irqnr, #31
44 add \irqnr, \irqnr, #32 44 add \irqnr, \irqnr, #(32 + PXA_IRQ(0))
45 b 1001f 45 b 1001f
461003: 461003:
47 mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP 47 mrc p6, 0, \irqstat, c0, c0, 0 @ ICIP
@@ -52,6 +52,6 @@
52 rsb \irqstat, \irqnr, #0 52 rsb \irqstat, \irqnr, #0
53 and \irqstat, \irqstat, \irqnr 53 and \irqstat, \irqstat, \irqnr
54 clz \irqnr, \irqstat 54 clz \irqnr, \irqstat
55 rsb \irqnr, \irqnr, #31 55 rsb \irqnr, \irqnr, #(31 + PXA_IRQ(0))
561001: 561001:
57 .endm 57 .endm
diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index 108b5db9b2af..9c163e19ada9 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -11,7 +11,14 @@
11 */ 11 */
12 12
13 13
14#define PXA_IRQ(x) (x) 14#ifdef CONFIG_PXA_HAVE_ISA_IRQS
15#define PXA_ISA_IRQ(x) (x)
16#define PXA_ISA_IRQ_NUM (16)
17#else
18#define PXA_ISA_IRQ_NUM (0)
19#endif
20
21#define PXA_IRQ(x) (PXA_ISA_IRQ_NUM + (x))
15 22
16#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx) 23#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
17#define IRQ_SSP3 PXA_IRQ(0) /* SSP3 service request */ 24#define IRQ_SSP3 PXA_IRQ(0) /* SSP3 service request */
@@ -73,7 +80,7 @@
73#define IRQ_MMC3 PXA_IRQ(55) /* MMC3 Controller (PXA310) */ 80#define IRQ_MMC3 PXA_IRQ(55) /* MMC3 Controller (PXA310) */
74#endif 81#endif
75 82
76#define PXA_GPIO_IRQ_BASE (64) 83#define PXA_GPIO_IRQ_BASE PXA_IRQ(64)
77#define PXA_GPIO_IRQ_NUM (128) 84#define PXA_GPIO_IRQ_NUM (128)
78 85
79#define GPIO_2_x_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x)) 86#define GPIO_2_x_TO_IRQ(x) (PXA_GPIO_IRQ_BASE + (x))
@@ -178,13 +185,7 @@
178#define NR_IRQS (IRQ_S1_BVD1_STSCHG + 1) 185#define NR_IRQS (IRQ_S1_BVD1_STSCHG + 1)
179#elif defined(CONFIG_SHARP_LOCOMO) 186#elif defined(CONFIG_SHARP_LOCOMO)
180#define NR_IRQS (IRQ_LOCOMO_SPI_TEND + 1) 187#define NR_IRQS (IRQ_LOCOMO_SPI_TEND + 1)
181#elif defined(CONFIG_ARCH_LUBBOCK) || \ 188#elif defined(CONFIG_PXA_HAVE_BOARD_IRQS)
182 defined(CONFIG_MACH_LOGICPD_PXA270) || \
183 defined(CONFIG_MACH_TOSA) || \
184 defined(CONFIG_MACH_MAINSTONE) || \
185 defined(CONFIG_MACH_PCM027) || \
186 defined(CONFIG_ARCH_PXA_ESERIES) || \
187 defined(CONFIG_MACH_MAGICIAN)
188#define NR_IRQS (IRQ_BOARD_END) 189#define NR_IRQS (IRQ_BOARD_END)
189#elif defined(CONFIG_MACH_ZYLONITE) 190#elif defined(CONFIG_MACH_ZYLONITE)
190#define NR_IRQS (IRQ_BOARD_START + 32) 191#define NR_IRQS (IRQ_BOARD_START + 32)
diff --git a/arch/arm/mach-pxa/include/mach/viper.h b/arch/arm/mach-pxa/include/mach/viper.h
new file mode 100644
index 000000000000..10988c270ca3
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/viper.h
@@ -0,0 +1,96 @@
1/*
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
88extern void viper_cf_rst(int state);
89
90#define VIPER_ICR_RETRIG (1 << 0)
91#define VIPER_ICR_AUTO_CLR (1 << 1)
92#define VIPER_ICR_R_DIS (1 << 2)
93#define VIPER_ICR_CF_RST (1 << 3)
94
95#endif
96
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index 5e95c5372fec..fa69c3a6a38e 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -57,7 +57,7 @@ void __init pxa_init_irq(int irq_nr, set_wake_t fn)
57 57
58 pxa_internal_irq_nr = irq_nr; 58 pxa_internal_irq_nr = irq_nr;
59 59
60 for (irq = 0; irq < irq_nr; irq += 32) { 60 for (irq = PXA_IRQ(0); irq < PXA_IRQ(irq_nr); irq += 32) {
61 _ICMR(irq) = 0; /* disable all IRQs */ 61 _ICMR(irq) = 0; /* disable all IRQs */
62 _ICLR(irq) = 0; /* all IRQs are IRQ, not FIQ */ 62 _ICLR(irq) = 0; /* all IRQs are IRQ, not FIQ */
63 } 63 }
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
new file mode 100644
index 000000000000..d7632f63603c
--- /dev/null
+++ b/arch/arm/mach-pxa/viper.c
@@ -0,0 +1,951 @@
1/*
2 * linux/arch/arm/mach-pxa/viper.c
3 *
4 * Support for the Arcom VIPER SBC.
5 *
6 * Author: Ian Campbell
7 * Created: Feb 03, 2003
8 * Copyright: Arcom Control Systems
9 *
10 * Maintained by Marc Zyngier <maz@misterjones.org>
11 * <marc.zyngier@altran.com>
12 *
13 * Based on lubbock.c:
14 * Author: Nicolas Pitre
15 * Created: Jun 15, 2001
16 * Copyright: MontaVista Software Inc.
17 *
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License version 2 as
20 * published by the Free Software Foundation.
21 */
22
23#include <linux/types.h>
24#include <linux/memory.h>
25#include <linux/cpu.h>
26#include <linux/cpufreq.h>
27#include <linux/delay.h>
28#include <linux/fs.h>
29#include <linux/init.h>
30#include <linux/interrupt.h>
31#include <linux/major.h>
32#include <linux/module.h>
33#include <linux/pm.h>
34#include <linux/sched.h>
35#include <linux/gpio.h>
36#include <linux/i2c-gpio.h>
37#include <linux/serial_8250.h>
38#include <linux/smc91x.h>
39#include <linux/pwm_backlight.h>
40#include <linux/usb/isp116x.h>
41#include <linux/mtd/mtd.h>
42#include <linux/mtd/partitions.h>
43#include <linux/mtd/physmap.h>
44
45#include <mach/pxa-regs.h>
46#include <mach/pxa2xx-regs.h>
47#include <mach/bitfield.h>
48#include <mach/audio.h>
49#include <mach/pxafb.h>
50#include <mach/mfp-pxa25x.h>
51#include <mach/i2c.h>
52#include <mach/viper.h>
53
54#include <asm/setup.h>
55#include <asm/mach-types.h>
56#include <asm/irq.h>
57#include <asm/sizes.h>
58
59#include <asm/mach/arch.h>
60#include <asm/mach/map.h>
61#include <asm/mach/irq.h>
62
63#include "generic.h"
64#include "devices.h"
65
66static unsigned int icr;
67
68static void viper_icr_set_bit(unsigned int bit)
69{
70 icr |= bit;
71 VIPER_ICR = icr;
72}
73
74static void viper_icr_clear_bit(unsigned int bit)
75{
76 icr &= ~bit;
77 VIPER_ICR = icr;
78}
79
80/* This function is used from the pcmcia module to reset the CF */
81void viper_cf_rst(int state)
82{
83 if (state)
84 viper_icr_set_bit(VIPER_ICR_CF_RST);
85 else
86 viper_icr_clear_bit(VIPER_ICR_CF_RST);
87}
88EXPORT_SYMBOL(viper_cf_rst);
89
90/*
91 * The CPLD version register was not present on VIPER boards prior to
92 * v2i1. On v1 boards where the version register is not present we
93 * will just read back the previous value from the databus.
94 *
95 * Therefore we do two reads. The first time we write 0 to the
96 * (read-only) register before reading and the second time we write
97 * 0xff first. If the two reads do not match or they read back as 0xff
98 * or 0x00 then we have version 1 hardware.
99 */
100static u8 viper_hw_version(void)
101{
102 u8 v1, v2;
103 unsigned long flags;
104
105 local_irq_save(flags);
106
107 VIPER_VERSION = 0;
108 v1 = VIPER_VERSION;
109 VIPER_VERSION = 0xff;
110 v2 = VIPER_VERSION;
111
112 v1 = (v1 != v2 || v1 == 0xff) ? 0 : v1;
113
114 local_irq_restore(flags);
115 return v1;
116}
117
118/* CPU sysdev */
119static int viper_cpu_suspend(struct sys_device *sysdev, pm_message_t state)
120{
121 viper_icr_set_bit(VIPER_ICR_R_DIS);
122 return 0;
123}
124
125static int viper_cpu_resume(struct sys_device *sysdev)
126{
127 viper_icr_clear_bit(VIPER_ICR_R_DIS);
128 return 0;
129}
130
131static struct sysdev_driver viper_cpu_sysdev_driver = {
132 .suspend = viper_cpu_suspend,
133 .resume = viper_cpu_resume,
134};
135
136static unsigned int current_voltage_divisor;
137
138/*
139 * If force is not true then step from existing to new divisor. If
140 * force is true then jump straight to the new divisor. Stepping is
141 * used because if the jump in voltage is too large, the VCC can dip
142 * too low and the regulator cuts out.
143 *
144 * force can be used to initialize the divisor to a know state by
145 * setting the value for the current clock speed, since we are already
146 * running at that speed we know the voltage should be pretty close so
147 * the jump won't be too large
148 */
149static void viper_set_core_cpu_voltage(unsigned long khz, int force)
150{
151 int i = 0;
152 unsigned int divisor = 0;
153 const char *v;
154
155 if (khz < 200000) {
156 v = "1.0"; divisor = 0xfff;
157 } else if (khz < 300000) {
158 v = "1.1"; divisor = 0xde5;
159 } else {
160 v = "1.3"; divisor = 0x325;
161 }
162
163 pr_debug("viper: setting CPU core voltage to %sV at %d.%03dMHz\n",
164 v, (int)khz / 1000, (int)khz % 1000);
165
166#define STEP 0x100
167 do {
168 int step;
169
170 if (force)
171 step = divisor;
172 else if (current_voltage_divisor < divisor - STEP)
173 step = current_voltage_divisor + STEP;
174 else if (current_voltage_divisor > divisor + STEP)
175 step = current_voltage_divisor - STEP;
176 else
177 step = divisor;
178 force = 0;
179
180 gpio_set_value(VIPER_PSU_CLK_GPIO, 0);
181 gpio_set_value(VIPER_PSU_nCS_LD_GPIO, 0);
182
183 for (i = 1 << 11 ; i > 0 ; i >>= 1) {
184 udelay(1);
185
186 gpio_set_value(VIPER_PSU_DATA_GPIO, step & i);
187 udelay(1);
188
189 gpio_set_value(VIPER_PSU_CLK_GPIO, 1);
190 udelay(1);
191
192 gpio_set_value(VIPER_PSU_CLK_GPIO, 0);
193 }
194 udelay(1);
195
196 gpio_set_value(VIPER_PSU_nCS_LD_GPIO, 1);
197 udelay(1);
198
199 gpio_set_value(VIPER_PSU_nCS_LD_GPIO, 0);
200
201 current_voltage_divisor = step;
202 } while (current_voltage_divisor != divisor);
203}
204
205/* Interrupt handling */
206static unsigned long viper_irq_enabled_mask;
207
208static void viper_ack_irq(unsigned int irq)
209{
210 int viper_irq = irq - PXA_ISA_IRQ(0);
211
212 if (viper_irq < 8)
213 VIPER_LO_IRQ_STATUS = 1 << viper_irq;
214 else
215 VIPER_HI_IRQ_STATUS = 1 << (viper_irq - 8);
216}
217
218static void viper_mask_irq(unsigned int irq)
219{
220 viper_irq_enabled_mask &= ~(1 << (irq - PXA_ISA_IRQ(0)));
221}
222
223static void viper_unmask_irq(unsigned int irq)
224{
225 viper_irq_enabled_mask |= (1 << (irq - PXA_ISA_IRQ(0)));
226}
227
228static inline unsigned long viper_irq_pending(void)
229{
230 return (VIPER_HI_IRQ_STATUS << 8 | VIPER_LO_IRQ_STATUS) &
231 viper_irq_enabled_mask;
232}
233
234static void viper_irq_handler(unsigned int irq, struct irq_desc *desc)
235{
236 unsigned long pending;
237
238 pending = viper_irq_pending();
239 do {
240 if (likely(pending)) {
241 irq = PXA_ISA_IRQ(0) + __ffs(pending);
242 generic_handle_irq(irq);
243 }
244 pending = viper_irq_pending();
245 } while (pending);
246}
247
248static struct irq_chip viper_irq_chip = {
249 .name = "ISA",
250 .ack = viper_ack_irq,
251 .mask = viper_mask_irq,
252 .unmask = viper_unmask_irq
253};
254
255static void __init viper_init_irq(void)
256{
257 const int isa_irqs[] = { 3, 4, 5, 6, 7, 10, 11, 12, 9, 14, 15 };
258 int irq;
259 int isa_irq;
260
261 pxa25x_init_irq();
262
263 /* setup ISA IRQs */
264 for (irq = 0; irq < ARRAY_SIZE(isa_irqs); irq++) {
265 isa_irq = isa_irqs[irq];
266 set_irq_chip(isa_irq, &viper_irq_chip);
267 set_irq_handler(isa_irq, handle_edge_irq);
268 set_irq_flags(isa_irq, IRQF_VALID | IRQF_PROBE);
269 }
270
271 set_irq_chained_handler(gpio_to_irq(VIPER_CPLD_GPIO),
272 viper_irq_handler);
273 set_irq_type(gpio_to_irq(VIPER_CPLD_GPIO), IRQ_TYPE_EDGE_BOTH);
274
275#ifndef CONFIG_SERIAL_PXA
276 /*
277 * 8250 doesn't support IRQ_TYPE being passed as part
278 * of the plat_serial8250_port structure...
279 */
280 set_irq_type(gpio_to_irq(VIPER_UARTA_GPIO), IRQ_TYPE_EDGE_RISING);
281 set_irq_type(gpio_to_irq(VIPER_UARTB_GPIO), IRQ_TYPE_EDGE_RISING);
282#endif
283}
284
285/* Flat Panel */
286static struct pxafb_mode_info fb_mode_info[] = {
287 {
288 .pixclock = 157500,
289
290 .xres = 320,
291 .yres = 240,
292
293 .bpp = 16,
294
295 .hsync_len = 63,
296 .left_margin = 7,
297 .right_margin = 13,
298
299 .vsync_len = 20,
300 .upper_margin = 0,
301 .lower_margin = 0,
302
303 .sync = 0,
304 },
305};
306
307static struct pxafb_mach_info fb_info = {
308 .modes = fb_mode_info,
309 .num_modes = 1,
310 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
311};
312
313static int viper_backlight_init(struct device *dev)
314{
315 int ret;
316
317 /* GPIO9 and 10 control FB backlight. Initialise to off */
318 ret = gpio_request(VIPER_BCKLIGHT_EN_GPIO, "Backlight");
319 if (ret)
320 goto err_request_bckl;
321
322 ret = gpio_request(VIPER_LCD_EN_GPIO, "LCD");
323 if (ret)
324 goto err_request_lcd;
325
326 ret = gpio_direction_output(VIPER_BCKLIGHT_EN_GPIO, 0);
327 if (ret)
328 goto err_dir;
329
330 ret = gpio_direction_output(VIPER_LCD_EN_GPIO, 0);
331 if (ret)
332 goto err_dir;
333
334 return 0;
335
336err_dir:
337 gpio_free(VIPER_LCD_EN_GPIO);
338err_request_lcd:
339 gpio_free(VIPER_BCKLIGHT_EN_GPIO);
340err_request_bckl:
341 dev_err(dev, "Failed to setup LCD GPIOs\n");
342
343 return ret;
344}
345
346static int viper_backlight_notify(int brightness)
347{
348 gpio_set_value(VIPER_LCD_EN_GPIO, !!brightness);
349 gpio_set_value(VIPER_BCKLIGHT_EN_GPIO, !!brightness);
350
351 return brightness;
352}
353
354static void viper_backlight_exit(struct device *dev)
355{
356 gpio_free(VIPER_LCD_EN_GPIO);
357 gpio_free(VIPER_BCKLIGHT_EN_GPIO);
358}
359
360static struct platform_pwm_backlight_data viper_backlight_data = {
361 .pwm_id = 0,
362 .max_brightness = 100,
363 .dft_brightness = 100,
364 .pwm_period_ns = 1000000,
365 .init = viper_backlight_init,
366 .notify = viper_backlight_notify,
367 .exit = viper_backlight_exit,
368};
369
370static struct platform_device viper_backlight_device = {
371 .name = "pwm-backlight",
372 .dev = {
373 .parent = &pxa25x_device_pwm0.dev,
374 .platform_data = &viper_backlight_data,
375 },
376};
377
378/* Ethernet */
379static struct resource smc91x_resources[] = {
380 [0] = {
381 .name = "smc91x-regs",
382 .start = VIPER_ETH_PHYS + 0x300,
383 .end = VIPER_ETH_PHYS + 0x30f,
384 .flags = IORESOURCE_MEM,
385 },
386 [1] = {
387 .start = gpio_to_irq(VIPER_ETH_GPIO),
388 .end = gpio_to_irq(VIPER_ETH_GPIO),
389 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
390 },
391 [2] = {
392 .name = "smc91x-data32",
393 .start = VIPER_ETH_DATA_PHYS,
394 .end = VIPER_ETH_DATA_PHYS + 3,
395 .flags = IORESOURCE_MEM,
396 },
397};
398
399static struct smc91x_platdata viper_smc91x_info = {
400 .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
401 .leda = RPC_LED_100_10,
402 .ledb = RPC_LED_TX_RX,
403};
404
405static struct platform_device smc91x_device = {
406 .name = "smc91x",
407 .id = -1,
408 .num_resources = ARRAY_SIZE(smc91x_resources),
409 .resource = smc91x_resources,
410 .dev = {
411 .platform_data = &viper_smc91x_info,
412 },
413};
414
415/* i2c */
416static struct i2c_gpio_platform_data i2c_bus_data = {
417 .sda_pin = VIPER_RTC_I2C_SDA_GPIO,
418 .scl_pin = VIPER_RTC_I2C_SCL_GPIO,
419 .udelay = 10,
420 .timeout = 100,
421};
422
423static struct platform_device i2c_bus_device = {
424 .name = "i2c-gpio",
425 .id = 1, /* pxa2xx-i2c is bus 0, so start at 1 */
426 .dev = {
427 .platform_data = &i2c_bus_data,
428 }
429};
430
431static struct i2c_board_info __initdata viper_i2c_devices[] = {
432 {
433 I2C_BOARD_INFO("ds1338", 0x68),
434 },
435};
436
437/*
438 * Serial configuration:
439 * You can either have the standard PXA ports driven by the PXA driver,
440 * or all the ports (PXA + 16850) driven by the 8250 driver.
441 * Choose your poison.
442 */
443
444static struct resource viper_serial_resources[] = {
445#ifndef CONFIG_SERIAL_PXA
446 {
447 .start = 0x40100000,
448 .end = 0x4010001f,
449 .flags = IORESOURCE_MEM,
450 },
451 {
452 .start = 0x40200000,
453 .end = 0x4020001f,
454 .flags = IORESOURCE_MEM,
455 },
456 {
457 .start = 0x40700000,
458 .end = 0x4070001f,
459 .flags = IORESOURCE_MEM,
460 },
461 {
462 .start = VIPER_UARTA_PHYS,
463 .end = VIPER_UARTA_PHYS + 0xf,
464 .flags = IORESOURCE_MEM,
465 },
466 {
467 .start = VIPER_UARTB_PHYS,
468 .end = VIPER_UARTB_PHYS + 0xf,
469 .flags = IORESOURCE_MEM,
470 },
471#else
472 {
473 0,
474 },
475#endif
476};
477
478static struct plat_serial8250_port serial_platform_data[] = {
479#ifndef CONFIG_SERIAL_PXA
480 /* Internal UARTs */
481 {
482 .membase = (void *)&FFUART,
483 .mapbase = __PREG(FFUART),
484 .irq = IRQ_FFUART,
485 .uartclk = 921600 * 16,
486 .regshift = 2,
487 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
488 .iotype = UPIO_MEM,
489 },
490 {
491 .membase = (void *)&BTUART,
492 .mapbase = __PREG(BTUART),
493 .irq = IRQ_BTUART,
494 .uartclk = 921600 * 16,
495 .regshift = 2,
496 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
497 .iotype = UPIO_MEM,
498 },
499 {
500 .membase = (void *)&STUART,
501 .mapbase = __PREG(STUART),
502 .irq = IRQ_STUART,
503 .uartclk = 921600 * 16,
504 .regshift = 2,
505 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
506 .iotype = UPIO_MEM,
507 },
508 /* External UARTs */
509 {
510 .mapbase = VIPER_UARTA_PHYS,
511 .irq = gpio_to_irq(VIPER_UARTA_GPIO),
512 .uartclk = 1843200,
513 .regshift = 1,
514 .iotype = UPIO_MEM,
515 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP |
516 UPF_SKIP_TEST,
517 },
518 {
519 .mapbase = VIPER_UARTB_PHYS,
520 .irq = gpio_to_irq(VIPER_UARTB_GPIO),
521 .uartclk = 1843200,
522 .regshift = 1,
523 .iotype = UPIO_MEM,
524 .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP |
525 UPF_SKIP_TEST,
526 },
527#endif
528 { },
529};
530
531static struct platform_device serial_device = {
532 .name = "serial8250",
533 .id = 0,
534 .dev = {
535 .platform_data = serial_platform_data,
536 },
537 .num_resources = ARRAY_SIZE(viper_serial_resources),
538 .resource = viper_serial_resources,
539};
540
541/* USB */
542static void isp116x_delay(struct device *dev, int delay)
543{
544 ndelay(delay);
545}
546
547static struct resource isp116x_resources[] = {
548 [0] = { /* DATA */
549 .start = VIPER_USB_PHYS + 0,
550 .end = VIPER_USB_PHYS + 1,
551 .flags = IORESOURCE_MEM,
552 },
553 [1] = { /* ADDR */
554 .start = VIPER_USB_PHYS + 2,
555 .end = VIPER_USB_PHYS + 3,
556 .flags = IORESOURCE_MEM,
557 },
558 [2] = {
559 .start = gpio_to_irq(VIPER_USB_GPIO),
560 .end = gpio_to_irq(VIPER_USB_GPIO),
561 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
562 },
563};
564
565/* (DataBusWidth16|AnalogOCEnable|DREQOutputPolarity|DownstreamPort15KRSel ) */
566static struct isp116x_platform_data isp116x_platform_data = {
567 /* Enable internal resistors on downstream ports */
568 .sel15Kres = 1,
569 /* On-chip overcurrent protection */
570 .oc_enable = 1,
571 /* INT output polarity */
572 .int_act_high = 1,
573 /* INT edge or level triggered */
574 .int_edge_triggered = 0,
575
576 /* WAKEUP pin connected - NOT SUPPORTED */
577 /* .remote_wakeup_connected = 0, */
578 /* Wakeup by devices on usb bus enabled */
579 .remote_wakeup_enable = 0,
580 .delay = isp116x_delay,
581};
582
583static struct platform_device isp116x_device = {
584 .name = "isp116x-hcd",
585 .id = -1,
586 .num_resources = ARRAY_SIZE(isp116x_resources),
587 .resource = isp116x_resources,
588 .dev = {
589 .platform_data = &isp116x_platform_data,
590 },
591
592};
593
594/* MTD */
595static struct resource mtd_resources[] = {
596 [0] = { /* RedBoot config + filesystem flash */
597 .start = VIPER_FLASH_PHYS,
598 .end = VIPER_FLASH_PHYS + SZ_32M - 1,
599 .flags = IORESOURCE_MEM,
600 },
601 [1] = { /* Boot flash */
602 .start = VIPER_BOOT_PHYS,
603 .end = VIPER_BOOT_PHYS + SZ_1M - 1,
604 .flags = IORESOURCE_MEM,
605 },
606 [2] = { /*
607 * SRAM size is actually 256KB, 8bits, with a sparse mapping
608 * (each byte is on a 16bit boundary).
609 */
610 .start = _VIPER_SRAM_BASE,
611 .end = _VIPER_SRAM_BASE + SZ_512K - 1,
612 .flags = IORESOURCE_MEM,
613 },
614};
615
616static struct mtd_partition viper_boot_flash_partition = {
617 .name = "RedBoot",
618 .size = SZ_1M,
619 .offset = 0,
620 .mask_flags = MTD_WRITEABLE, /* force R/O */
621};
622
623static struct physmap_flash_data viper_flash_data[] = {
624 [0] = {
625 .width = 2,
626 .parts = NULL,
627 .nr_parts = 0,
628 },
629 [1] = {
630 .width = 2,
631 .parts = &viper_boot_flash_partition,
632 .nr_parts = 1,
633 },
634};
635
636static struct platform_device viper_mtd_devices[] = {
637 [0] = {
638 .name = "physmap-flash",
639 .id = 0,
640 .dev = {
641 .platform_data = &viper_flash_data[0],
642 },
643 .resource = &mtd_resources[0],
644 .num_resources = 1,
645 },
646 [1] = {
647 .name = "physmap-flash",
648 .id = 1,
649 .dev = {
650 .platform_data = &viper_flash_data[1],
651 },
652 .resource = &mtd_resources[1],
653 .num_resources = 1,
654 },
655};
656
657static struct platform_device *viper_devs[] __initdata = {
658 &smc91x_device,
659 &i2c_bus_device,
660 &serial_device,
661 &isp116x_device,
662 &viper_mtd_devices[0],
663 &viper_mtd_devices[1],
664 &viper_backlight_device,
665};
666
667static mfp_cfg_t viper_pin_config[] __initdata = {
668 /* Chip selects */
669 GPIO15_nCS_1,
670 GPIO78_nCS_2,
671 GPIO79_nCS_3,
672 GPIO80_nCS_4,
673 GPIO33_nCS_5,
674
675 /* FP Backlight */
676 GPIO9_GPIO, /* VIPER_BCKLIGHT_EN_GPIO */
677 GPIO10_GPIO, /* VIPER_LCD_EN_GPIO */
678 GPIO16_PWM0_OUT,
679
680 /* Ethernet PHY Ready */
681 GPIO18_RDY,
682
683 /* Serial shutdown */
684 GPIO12_GPIO | MFP_LPM_DRIVE_HIGH, /* VIPER_UART_SHDN_GPIO */
685
686 /* Compact-Flash / PC104 */
687 GPIO48_nPOE,
688 GPIO49_nPWE,
689 GPIO50_nPIOR,
690 GPIO51_nPIOW,
691 GPIO52_nPCE_1,
692 GPIO53_nPCE_2,
693 GPIO54_nPSKTSEL,
694 GPIO55_nPREG,
695 GPIO56_nPWAIT,
696 GPIO57_nIOIS16,
697 GPIO8_GPIO, /* VIPER_CF_RDY_GPIO */
698 GPIO32_GPIO, /* VIPER_CF_CD_GPIO */
699 GPIO82_GPIO, /* VIPER_CF_POWER_GPIO */
700
701 /* Integrated UPS control */
702 GPIO20_GPIO, /* VIPER_UPS_GPIO */
703
704 /* Vcc regulator control */
705 GPIO6_GPIO, /* VIPER_PSU_DATA_GPIO */
706 GPIO11_GPIO, /* VIPER_PSU_CLK_GPIO */
707 GPIO19_GPIO, /* VIPER_PSU_nCS_LD_GPIO */
708
709 /* i2c busses */
710 GPIO26_GPIO, /* VIPER_TPM_I2C_SDA_GPIO */
711 GPIO27_GPIO, /* VIPER_TPM_I2C_SCL_GPIO */
712 GPIO83_GPIO, /* VIPER_RTC_I2C_SDA_GPIO */
713 GPIO84_GPIO, /* VIPER_RTC_I2C_SCL_GPIO */
714
715 /* PC/104 Interrupt */
716 GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, /* VIPER_CPLD_GPIO */
717};
718
719static unsigned long viper_tpm;
720
721static int __init viper_tpm_setup(char *str)
722{
723 strict_strtoul(str, 10, &viper_tpm);
724 return 1;
725}
726
727__setup("tpm=", viper_tpm_setup);
728
729static void __init viper_tpm_init(void)
730{
731 struct platform_device *tpm_device;
732 struct i2c_gpio_platform_data i2c_tpm_data = {
733 .sda_pin = VIPER_TPM_I2C_SDA_GPIO,
734 .scl_pin = VIPER_TPM_I2C_SCL_GPIO,
735 .udelay = 10,
736 .timeout = 100,
737 };
738 char *errstr;
739
740 /* Allocate TPM i2c bus if requested */
741 if (!viper_tpm)
742 return;
743
744 tpm_device = platform_device_alloc("i2c-gpio", 2);
745 if (tpm_device) {
746 if (!platform_device_add_data(tpm_device,
747 &i2c_tpm_data,
748 sizeof(i2c_tpm_data))) {
749 if (platform_device_add(tpm_device)) {
750 errstr = "register TPM i2c bus";
751 goto error_free_tpm;
752 }
753 } else {
754 errstr = "allocate TPM i2c bus data";
755 goto error_free_tpm;
756 }
757 } else {
758 errstr = "allocate TPM i2c device";
759 goto error_tpm;
760 }
761
762 return;
763
764error_free_tpm:
765 kfree(tpm_device);
766error_tpm:
767 pr_err("viper: Couldn't %s, giving up\n", errstr);
768}
769
770static void __init viper_init_vcore_gpios(void)
771{
772 if (gpio_request(VIPER_PSU_DATA_GPIO, "PSU data"))
773 goto err_request_data;
774
775 if (gpio_request(VIPER_PSU_CLK_GPIO, "PSU clock"))
776 goto err_request_clk;
777
778 if (gpio_request(VIPER_PSU_nCS_LD_GPIO, "PSU cs"))
779 goto err_request_cs;
780
781 if (gpio_direction_output(VIPER_PSU_DATA_GPIO, 0) ||
782 gpio_direction_output(VIPER_PSU_CLK_GPIO, 0) ||
783 gpio_direction_output(VIPER_PSU_nCS_LD_GPIO, 0))
784 goto err_dir;
785
786 /* c/should assume redboot set the correct level ??? */
787 viper_set_core_cpu_voltage(get_clk_frequency_khz(0), 1);
788
789 return;
790
791err_dir:
792 gpio_free(VIPER_PSU_nCS_LD_GPIO);
793err_request_cs:
794 gpio_free(VIPER_PSU_CLK_GPIO);
795err_request_clk:
796 gpio_free(VIPER_PSU_DATA_GPIO);
797err_request_data:
798 pr_err("viper: Failed to setup vcore control GPIOs\n");
799}
800
801static void __init viper_init_serial_gpio(void)
802{
803 if (gpio_request(VIPER_UART_SHDN_GPIO, "UARTs shutdown"))
804 goto err_request;
805
806 if (gpio_direction_output(VIPER_UART_SHDN_GPIO, 0))
807 goto err_dir;
808
809 return;
810
811err_dir:
812 gpio_free(VIPER_UART_SHDN_GPIO);
813err_request:
814 pr_err("viper: Failed to setup UART shutdown GPIO\n");
815}
816
817#ifdef CONFIG_CPU_FREQ
818static int viper_cpufreq_notifier(struct notifier_block *nb,
819 unsigned long val, void *data)
820{
821 struct cpufreq_freqs *freq = data;
822
823 /* TODO: Adjust timings??? */
824
825 switch (val) {
826 case CPUFREQ_PRECHANGE:
827 if (freq->old < freq->new) {
828 /* we are getting faster so raise the voltage
829 * before we change freq */
830 viper_set_core_cpu_voltage(freq->new, 0);
831 }
832 break;
833 case CPUFREQ_POSTCHANGE:
834 if (freq->old > freq->new) {
835 /* we are slowing down so drop the power
836 * after we change freq */
837 viper_set_core_cpu_voltage(freq->new, 0);
838 }
839 break;
840 case CPUFREQ_RESUMECHANGE:
841 viper_set_core_cpu_voltage(freq->new, 0);
842 break;
843 default:
844 /* ignore */
845 break;
846 }
847
848 return 0;
849}
850
851static struct notifier_block viper_cpufreq_notifier_block = {
852 .notifier_call = viper_cpufreq_notifier
853};
854
855static void __init viper_init_cpufreq(void)
856{
857 if (cpufreq_register_notifier(&viper_cpufreq_notifier_block,
858 CPUFREQ_TRANSITION_NOTIFIER))
859 pr_err("viper: Failed to setup cpufreq notifier\n");
860}
861#else
862static inline void viper_init_cpufreq(void) {}
863#endif
864
865static void viper_power_off(void)
866{
867 pr_notice("Shutting off UPS\n");
868 gpio_set_value(VIPER_UPS_GPIO, 1);
869 /* Spin to death... */
870 while (1);
871}
872
873static void __init viper_init(void)
874{
875 u8 version;
876
877 pm_power_off = viper_power_off;
878
879 pxa2xx_mfp_config(ARRAY_AND_SIZE(viper_pin_config));
880
881 /* Wake-up serial console */
882 viper_init_serial_gpio();
883
884 set_pxa_fb_info(&fb_info);
885
886 /* v1 hardware cannot use the datacs line */
887 version = viper_hw_version();
888 if (version == 0)
889 smc91x_device.num_resources--;
890
891 pxa_set_i2c_info(NULL);
892 platform_add_devices(viper_devs, ARRAY_SIZE(viper_devs));
893
894 viper_init_vcore_gpios();
895 viper_init_cpufreq();
896
897 sysdev_driver_register(&cpu_sysdev_class, &viper_cpu_sysdev_driver);
898
899 if (version) {
900 pr_info("viper: hardware v%di%d detected. "
901 "CPLD revision %d.\n",
902 VIPER_BOARD_VERSION(version),
903 VIPER_BOARD_ISSUE(version),
904 VIPER_CPLD_REVISION(version));
905 system_rev = (VIPER_BOARD_VERSION(version) << 8) |
906 (VIPER_BOARD_ISSUE(version) << 4) |
907 VIPER_CPLD_REVISION(version);
908 } else {
909 pr_info("viper: No version register.\n");
910 }
911
912 i2c_register_board_info(1, ARRAY_AND_SIZE(viper_i2c_devices));
913
914 viper_tpm_init();
915 pxa_set_ac97_info(NULL);
916}
917
918static struct map_desc viper_io_desc[] __initdata = {
919 {
920 .virtual = VIPER_CPLD_BASE,
921 .pfn = __phys_to_pfn(VIPER_CPLD_PHYS),
922 .length = 0x00300000,
923 .type = MT_DEVICE,
924 },
925 {
926 .virtual = VIPER_PC104IO_BASE,
927 .pfn = __phys_to_pfn(_PCMCIA1IO),
928 .length = 0x00800000,
929 .type = MT_DEVICE,
930 },
931};
932
933static void __init viper_map_io(void)
934{
935 pxa_map_io();
936
937 iotable_init(viper_io_desc, ARRAY_SIZE(viper_io_desc));
938
939 PCFR |= PCFR_OPDE;
940}
941
942MACHINE_START(VIPER, "Arcom/Eurotech VIPER SBC")
943 /* Maintainer: Marc Zyngier <maz@misterjones.org> */
944 .phys_io = 0x40000000,
945 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
946 .boot_params = 0xa0000100,
947 .map_io = viper_map_io,
948 .init_irq = viper_init_irq,
949 .timer = &pxa_timer,
950 .init_machine = viper_init,
951MACHINE_END