2 * linux/arch/arm/mach-pxa/idp.c
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.
8 * Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
10 * 2001-09-13: Cliff Brake <cbrake@accelent.com>
13 * 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
14 * <http://www.vibren.com> <http://bec-systems.com>
15 * Updated for 2.6 kernel
19 #include <linux/init.h>
20 #include <linux/interrupt.h>
21 #include <linux/irq.h>
22 #include <linux/platform_device.h>
25 #include <asm/setup.h>
26 #include <asm/memory.h>
27 #include <asm/mach-types.h>
28 #include <mach/hardware.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
36 #include <linux/platform_data/video-pxafb.h>
37 #include <mach/bitfield.h>
38 #include <linux/platform_data/mmc-pxamci.h>
39 #include <linux/smc91x.h>
45 * - add pxa2xx_audio_ops_t device structure
46 * - Ethernet interrupt
49 static unsigned long idp_pin_config
[] __initdata
= {
51 GPIOxx_LCD_DSTN_16BPP
,
68 GPIO33_nCS_5
, /* Ethernet CS */
69 GPIO4_GPIO
, /* Ethernet IRQ */
72 static struct resource smc91x_resources
[] = {
74 .start
= (IDP_ETH_PHYS
+ 0x300),
75 .end
= (IDP_ETH_PHYS
+ 0xfffff),
76 .flags
= IORESOURCE_MEM
,
79 .start
= PXA_GPIO_TO_IRQ(4),
80 .end
= PXA_GPIO_TO_IRQ(4),
81 .flags
= IORESOURCE_IRQ
| IORESOURCE_IRQ_HIGHEDGE
,
85 static struct smc91x_platdata smc91x_platdata
= {
86 .flags
= SMC91X_USE_8BIT
| SMC91X_USE_16BIT
| SMC91X_USE_32BIT
|
87 SMC91X_USE_DMA
| SMC91X_NOWAIT
,
90 static struct platform_device smc91x_device
= {
93 .num_resources
= ARRAY_SIZE(smc91x_resources
),
94 .resource
= smc91x_resources
,
95 .dev
.platform_data
= &smc91x_platdata
,
98 static void idp_backlight_power(int on
)
101 IDP_CPLD_LCD
|= (1<<1);
103 IDP_CPLD_LCD
&= ~(1<<1);
107 static void idp_vlcd(int on
)
110 IDP_CPLD_LCD
|= (1<<2);
112 IDP_CPLD_LCD
&= ~(1<<2);
116 static void idp_lcd_power(int on
, struct fb_var_screeninfo
*var
)
119 IDP_CPLD_LCD
|= (1<<0);
121 IDP_CPLD_LCD
&= ~(1<<0);
124 /* call idp_vlcd for now as core driver does not support
125 * both power and vlcd hooks. Note, this is not technically
126 * the correct sequence, but seems to work. Disclaimer:
127 * this may eventually damage the display.
133 static struct pxafb_mode_info sharp_lm8v31_mode
= {
144 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
148 static struct pxafb_mach_info sharp_lm8v31
= {
149 .modes
= &sharp_lm8v31_mode
,
153 .lcd_conn
= LCD_COLOR_DSTN_16BPP
| LCD_PCLK_EDGE_FALL
|
154 LCD_AC_BIAS_FREQ(255),
155 .pxafb_backlight_power
= &idp_backlight_power
,
156 .pxafb_lcd_power
= &idp_lcd_power
159 static struct pxamci_platform_data idp_mci_platform_data
= {
160 .ocr_mask
= MMC_VDD_32_33
|MMC_VDD_33_34
,
161 .gpio_card_detect
= -1,
166 static void __init
idp_init(void)
168 printk("idp_init()\n");
170 pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config
));
171 pxa_set_ffuart_info(NULL
);
172 pxa_set_btuart_info(NULL
);
173 pxa_set_stuart_info(NULL
);
175 platform_device_register(&smc91x_device
);
176 //platform_device_register(&mst_audio_device);
177 pxa_set_fb_info(NULL
, &sharp_lm8v31
);
178 pxa_set_mci_info(&idp_mci_platform_data
);
181 static struct map_desc idp_io_desc
[] __initdata
= {
183 .virtual = IDP_COREVOLT_VIRT
,
184 .pfn
= __phys_to_pfn(IDP_COREVOLT_PHYS
),
185 .length
= IDP_COREVOLT_SIZE
,
188 .virtual = IDP_CPLD_VIRT
,
189 .pfn
= __phys_to_pfn(IDP_CPLD_PHYS
),
190 .length
= IDP_CPLD_SIZE
,
195 static void __init
idp_map_io(void)
198 iotable_init(idp_io_desc
, ARRAY_SIZE(idp_io_desc
));
202 #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
204 struct led_classdev cdev
;
209 * The triggers lines up below will only be used if the
210 * LED triggers are compiled in.
212 static const struct {
216 { "idp:green", "heartbeat", },
217 { "idp:red", "cpu0", },
220 static void idp_led_set(struct led_classdev
*cdev
,
221 enum led_brightness b
)
223 struct idp_led
*led
= container_of(cdev
,
224 struct idp_led
, cdev
);
225 u32 reg
= IDP_CPLD_LED_CONTROL
;
232 IDP_CPLD_LED_CONTROL
= reg
;
235 static enum led_brightness
idp_led_get(struct led_classdev
*cdev
)
237 struct idp_led
*led
= container_of(cdev
,
238 struct idp_led
, cdev
);
240 return (IDP_CPLD_LED_CONTROL
& led
->mask
) ? LED_OFF
: LED_FULL
;
243 static int __init
idp_leds_init(void)
247 if (!machine_is_pxa_idp())
250 for (i
= 0; i
< ARRAY_SIZE(idp_leds
); i
++) {
253 led
= kzalloc(sizeof(*led
), GFP_KERNEL
);
257 led
->cdev
.name
= idp_leds
[i
].name
;
258 led
->cdev
.brightness_set
= idp_led_set
;
259 led
->cdev
.brightness_get
= idp_led_get
;
260 led
->cdev
.default_trigger
= idp_leds
[i
].trigger
;
263 led
->mask
= IDP_HB_LED
;
265 led
->mask
= IDP_BUSY_LED
;
267 if (led_classdev_register(NULL
, &led
->cdev
) < 0) {
277 * Since we may have triggers on any subsystem, defer registration
278 * until after subsystem_init.
280 fs_initcall(idp_leds_init
);
283 MACHINE_START(PXA_IDP
, "Vibren PXA255 IDP")
284 /* Maintainer: Vibren Technologies */
285 .map_io
= idp_map_io
,
286 .nr_irqs
= PXA_NR_IRQS
,
287 .init_irq
= pxa25x_init_irq
,
288 .handle_irq
= pxa25x_handle_irq
,
289 .init_time
= pxa_timer_init
,
290 .init_machine
= idp_init
,
291 .restart
= pxa_restart
,