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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-pxa/idp.c | |
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 | * Updated for 2.6 kernel | |
16 | * | |
17 | */ | |
18 | ||
19 | #include <linux/init.h> | |
20 | #include <linux/interrupt.h> | |
1623dee8 | 21 | #include <linux/irq.h> |
d052d1be | 22 | #include <linux/platform_device.h> |
1da177e4 LT |
23 | #include <linux/fb.h> |
24 | ||
25 | #include <asm/setup.h> | |
26 | #include <asm/memory.h> | |
27 | #include <asm/mach-types.h> | |
a09e64fb | 28 | #include <mach/hardware.h> |
1da177e4 LT |
29 | #include <asm/irq.h> |
30 | ||
31 | #include <asm/mach/arch.h> | |
32 | #include <asm/mach/map.h> | |
33 | ||
4c25c5d2 AB |
34 | #include "pxa25x.h" |
35 | #include "idp.h" | |
293b2da1 | 36 | #include <linux/platform_data/video-pxafb.h> |
a09e64fb | 37 | #include <mach/bitfield.h> |
293b2da1 | 38 | #include <linux/platform_data/mmc-pxamci.h> |
04b91701 | 39 | #include <linux/smc91x.h> |
1da177e4 LT |
40 | |
41 | #include "generic.h" | |
46c41e62 | 42 | #include "devices.h" |
1da177e4 LT |
43 | |
44 | /* TODO: | |
45 | * - add pxa2xx_audio_ops_t device structure | |
46 | * - Ethernet interrupt | |
47 | */ | |
48 | ||
399ba626 | 49 | static unsigned long idp_pin_config[] __initdata = { |
bea95d2a | 50 | /* LCD */ |
07bae6c3 | 51 | GPIOxx_LCD_DSTN_16BPP, |
bea95d2a | 52 | |
399ba626 EM |
53 | /* BTUART */ |
54 | GPIO42_BTUART_RXD, | |
55 | GPIO43_BTUART_TXD, | |
56 | GPIO44_BTUART_CTS, | |
57 | GPIO45_BTUART_RTS, | |
58 | ||
59 | /* STUART */ | |
60 | GPIO46_STUART_RXD, | |
61 | GPIO47_STUART_TXD, | |
62 | ||
63 | /* MMC */ | |
64 | GPIO6_MMC_CLK, | |
65 | GPIO8_MMC_CS0, | |
66 | ||
67 | /* Ethernet */ | |
68 | GPIO33_nCS_5, /* Ethernet CS */ | |
69 | GPIO4_GPIO, /* Ethernet IRQ */ | |
70 | }; | |
71 | ||
1da177e4 LT |
72 | static struct resource smc91x_resources[] = { |
73 | [0] = { | |
74 | .start = (IDP_ETH_PHYS + 0x300), | |
75 | .end = (IDP_ETH_PHYS + 0xfffff), | |
76 | .flags = IORESOURCE_MEM, | |
77 | }, | |
78 | [1] = { | |
6384fdad HZ |
79 | .start = PXA_GPIO_TO_IRQ(4), |
80 | .end = PXA_GPIO_TO_IRQ(4), | |
e7b3dc7e | 81 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
1da177e4 LT |
82 | } |
83 | }; | |
84 | ||
b70661c7 | 85 | static struct smc91x_platdata smc91x_platdata = { |
2fb04fdf RK |
86 | .flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT | |
87 | SMC91X_USE_DMA | SMC91X_NOWAIT, | |
9a974342 | 88 | .pxa_u16_align4 = true, |
b70661c7 AB |
89 | }; |
90 | ||
1da177e4 LT |
91 | static struct platform_device smc91x_device = { |
92 | .name = "smc91x", | |
93 | .id = 0, | |
94 | .num_resources = ARRAY_SIZE(smc91x_resources), | |
95 | .resource = smc91x_resources, | |
b70661c7 | 96 | .dev.platform_data = &smc91x_platdata, |
1da177e4 LT |
97 | }; |
98 | ||
99 | static void idp_backlight_power(int on) | |
100 | { | |
101 | if (on) { | |
102 | IDP_CPLD_LCD |= (1<<1); | |
103 | } else { | |
104 | IDP_CPLD_LCD &= ~(1<<1); | |
105 | } | |
106 | } | |
107 | ||
108 | static void idp_vlcd(int on) | |
109 | { | |
110 | if (on) { | |
111 | IDP_CPLD_LCD |= (1<<2); | |
112 | } else { | |
113 | IDP_CPLD_LCD &= ~(1<<2); | |
114 | } | |
115 | } | |
116 | ||
d14b272b | 117 | static void idp_lcd_power(int on, struct fb_var_screeninfo *var) |
1da177e4 LT |
118 | { |
119 | if (on) { | |
120 | IDP_CPLD_LCD |= (1<<0); | |
121 | } else { | |
122 | IDP_CPLD_LCD &= ~(1<<0); | |
123 | } | |
124 | ||
125 | /* call idp_vlcd for now as core driver does not support | |
126 | * both power and vlcd hooks. Note, this is not technically | |
127 | * the correct sequence, but seems to work. Disclaimer: | |
128 | * this may eventually damage the display. | |
129 | */ | |
130 | ||
131 | idp_vlcd(on); | |
132 | } | |
133 | ||
d14b272b | 134 | static struct pxafb_mode_info sharp_lm8v31_mode = { |
1da177e4 LT |
135 | .pixclock = 270000, |
136 | .xres = 640, | |
137 | .yres = 480, | |
138 | .bpp = 16, | |
139 | .hsync_len = 1, | |
140 | .left_margin = 3, | |
141 | .right_margin = 3, | |
142 | .vsync_len = 1, | |
143 | .upper_margin = 0, | |
144 | .lower_margin = 0, | |
145 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
146 | .cmap_greyscale = 0, | |
d14b272b RP |
147 | }; |
148 | ||
149 | static struct pxafb_mach_info sharp_lm8v31 = { | |
150 | .modes = &sharp_lm8v31_mode, | |
151 | .num_modes = 1, | |
1da177e4 LT |
152 | .cmap_inverse = 0, |
153 | .cmap_static = 0, | |
bea95d2a EM |
154 | .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL | |
155 | LCD_AC_BIAS_FREQ(255), | |
1da177e4 LT |
156 | .pxafb_backlight_power = &idp_backlight_power, |
157 | .pxafb_lcd_power = &idp_lcd_power | |
158 | }; | |
159 | ||
1da177e4 | 160 | static struct pxamci_platform_data idp_mci_platform_data = { |
7a648256 RJ |
161 | .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
162 | .gpio_card_detect = -1, | |
163 | .gpio_card_ro = -1, | |
164 | .gpio_power = -1, | |
1da177e4 LT |
165 | }; |
166 | ||
167 | static void __init idp_init(void) | |
168 | { | |
169 | printk("idp_init()\n"); | |
170 | ||
399ba626 | 171 | pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config)); |
cc155c6f RK |
172 | pxa_set_ffuart_info(NULL); |
173 | pxa_set_btuart_info(NULL); | |
174 | pxa_set_stuart_info(NULL); | |
399ba626 | 175 | |
1da177e4 LT |
176 | platform_device_register(&smc91x_device); |
177 | //platform_device_register(&mst_audio_device); | |
4321e1a1 | 178 | pxa_set_fb_info(NULL, &sharp_lm8v31); |
1da177e4 LT |
179 | pxa_set_mci_info(&idp_mci_platform_data); |
180 | } | |
181 | ||
1da177e4 | 182 | static struct map_desc idp_io_desc[] __initdata = { |
6f9182eb DS |
183 | { |
184 | .virtual = IDP_COREVOLT_VIRT, | |
185 | .pfn = __phys_to_pfn(IDP_COREVOLT_PHYS), | |
186 | .length = IDP_COREVOLT_SIZE, | |
187 | .type = MT_DEVICE | |
188 | }, { | |
189 | .virtual = IDP_CPLD_VIRT, | |
190 | .pfn = __phys_to_pfn(IDP_CPLD_PHYS), | |
191 | .length = IDP_CPLD_SIZE, | |
192 | .type = MT_DEVICE | |
193 | } | |
1da177e4 LT |
194 | }; |
195 | ||
196 | static void __init idp_map_io(void) | |
197 | { | |
851982c1 | 198 | pxa25x_map_io(); |
1da177e4 | 199 | iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc)); |
1da177e4 LT |
200 | } |
201 | ||
55f5d8ec BW |
202 | /* LEDs */ |
203 | #if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS) | |
204 | struct idp_led { | |
205 | struct led_classdev cdev; | |
206 | u8 mask; | |
207 | }; | |
208 | ||
209 | /* | |
210 | * The triggers lines up below will only be used if the | |
211 | * LED triggers are compiled in. | |
212 | */ | |
213 | static const struct { | |
214 | const char *name; | |
215 | const char *trigger; | |
216 | } idp_leds[] = { | |
217 | { "idp:green", "heartbeat", }, | |
218 | { "idp:red", "cpu0", }, | |
219 | }; | |
220 | ||
221 | static void idp_led_set(struct led_classdev *cdev, | |
222 | enum led_brightness b) | |
223 | { | |
224 | struct idp_led *led = container_of(cdev, | |
225 | struct idp_led, cdev); | |
226 | u32 reg = IDP_CPLD_LED_CONTROL; | |
227 | ||
228 | if (b != LED_OFF) | |
229 | reg &= ~led->mask; | |
230 | else | |
231 | reg |= led->mask; | |
232 | ||
233 | IDP_CPLD_LED_CONTROL = reg; | |
234 | } | |
235 | ||
236 | static enum led_brightness idp_led_get(struct led_classdev *cdev) | |
237 | { | |
238 | struct idp_led *led = container_of(cdev, | |
239 | struct idp_led, cdev); | |
240 | ||
241 | return (IDP_CPLD_LED_CONTROL & led->mask) ? LED_OFF : LED_FULL; | |
242 | } | |
243 | ||
244 | static int __init idp_leds_init(void) | |
245 | { | |
246 | int i; | |
247 | ||
248 | if (!machine_is_pxa_idp()) | |
249 | return -ENODEV; | |
250 | ||
251 | for (i = 0; i < ARRAY_SIZE(idp_leds); i++) { | |
252 | struct idp_led *led; | |
253 | ||
254 | led = kzalloc(sizeof(*led), GFP_KERNEL); | |
255 | if (!led) | |
256 | break; | |
257 | ||
258 | led->cdev.name = idp_leds[i].name; | |
259 | led->cdev.brightness_set = idp_led_set; | |
260 | led->cdev.brightness_get = idp_led_get; | |
261 | led->cdev.default_trigger = idp_leds[i].trigger; | |
262 | ||
263 | if (i == 0) | |
264 | led->mask = IDP_HB_LED; | |
265 | else | |
266 | led->mask = IDP_BUSY_LED; | |
267 | ||
268 | if (led_classdev_register(NULL, &led->cdev) < 0) { | |
269 | kfree(led); | |
270 | break; | |
271 | } | |
272 | } | |
273 | ||
274 | return 0; | |
275 | } | |
276 | ||
277 | /* | |
278 | * Since we may have triggers on any subsystem, defer registration | |
279 | * until after subsystem_init. | |
280 | */ | |
281 | fs_initcall(idp_leds_init); | |
282 | #endif | |
1da177e4 LT |
283 | |
284 | MACHINE_START(PXA_IDP, "Vibren PXA255 IDP") | |
e9dea0c6 | 285 | /* Maintainer: Vibren Technologies */ |
e9dea0c6 | 286 | .map_io = idp_map_io, |
4e611091 | 287 | .nr_irqs = PXA_NR_IRQS, |
b40c6762 | 288 | .init_irq = pxa25x_init_irq, |
8a97ae2f | 289 | .handle_irq = pxa25x_handle_irq, |
6bb27d73 | 290 | .init_time = pxa_timer_init, |
e9dea0c6 | 291 | .init_machine = idp_init, |
271a74fc | 292 | .restart = pxa_restart, |
1da177e4 | 293 | MACHINE_END |