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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/arch/arm/mach-sa1100/collie.c | |
3 | * | |
4 | * May be copied or modified under the terms of the GNU General Public | |
5 | * License. See linux/COPYING for more information. | |
6 | * | |
7 | * This file contains all Collie-specific tweaks. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | * | |
13 | * ChangeLog: | |
a2531293 | 14 | * 2006 Pavel Machek <pavel@ucw.cz> |
50c37e21 | 15 | * 03-06-2004 John Lenz <lenz@cs.wisc.edu> |
1da177e4 LT |
16 | * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net> |
17 | * 04-16-2001 Lineo Japan,Inc. ... | |
18 | */ | |
19 | ||
1da177e4 LT |
20 | #include <linux/init.h> |
21 | #include <linux/kernel.h> | |
22 | #include <linux/tty.h> | |
23 | #include <linux/delay.h> | |
6920b5a7 | 24 | #include <linux/platform_data/sa11x0-serial.h> |
d052d1be | 25 | #include <linux/platform_device.h> |
abe06082 | 26 | #include <linux/mfd/ucb1x00.h> |
1da177e4 LT |
27 | #include <linux/mtd/mtd.h> |
28 | #include <linux/mtd/partitions.h> | |
29 | #include <linux/timer.h> | |
162e68c0 DES |
30 | #include <linux/gpio_keys.h> |
31 | #include <linux/input.h> | |
224be092 | 32 | #include <linux/gpio.h> |
9823b2d0 | 33 | #include <linux/pda_power.h> |
1da177e4 | 34 | |
e1b7a72a RK |
35 | #include <video/sa1100fb.h> |
36 | ||
a09e64fb | 37 | #include <mach/hardware.h> |
1da177e4 | 38 | #include <asm/mach-types.h> |
9e54d33f | 39 | #include <asm/page.h> |
1da177e4 | 40 | #include <asm/setup.h> |
a09e64fb | 41 | #include <mach/collie.h> |
1da177e4 LT |
42 | |
43 | #include <asm/mach/arch.h> | |
44 | #include <asm/mach/flash.h> | |
45 | #include <asm/mach/map.h> | |
1da177e4 LT |
46 | |
47 | #include <asm/hardware/scoop.h> | |
48 | #include <asm/mach/sharpsl_param.h> | |
49 | #include <asm/hardware/locomo.h> | |
a1fd844c | 50 | #include <linux/platform_data/mfd-mcp-sa11x0.h> |
f314f33b | 51 | #include <mach/irqs.h> |
1da177e4 LT |
52 | |
53 | #include "generic.h" | |
54 | ||
55 | static struct resource collie_scoop_resources[] = { | |
a181099e | 56 | [0] = DEFINE_RES_MEM(0x40800000, SZ_4K), |
1da177e4 LT |
57 | }; |
58 | ||
59 | static struct scoop_config collie_scoop_setup = { | |
60 | .io_dir = COLLIE_SCOOP_IO_DIR, | |
61 | .io_out = COLLIE_SCOOP_IO_OUT, | |
f151ccf7 | 62 | .gpio_base = COLLIE_SCOOP_GPIO_BASE, |
1da177e4 LT |
63 | }; |
64 | ||
65 | struct platform_device colliescoop_device = { | |
66 | .name = "sharp-scoop", | |
67 | .id = -1, | |
68 | .dev = { | |
69 | .platform_data = &collie_scoop_setup, | |
70 | }, | |
71 | .num_resources = ARRAY_SIZE(collie_scoop_resources), | |
72 | .resource = collie_scoop_resources, | |
73 | }; | |
74 | ||
44575b2f | 75 | static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = { |
93982535 KE |
76 | { |
77 | .dev = &colliescoop_device.dev, | |
78 | .irq = COLLIE_IRQ_GPIO_CF_IRQ, | |
79 | .cd_irq = COLLIE_IRQ_GPIO_CF_CD, | |
80 | .cd_irq_str = "PCMCIA0 CD", | |
81 | }, | |
44575b2f PM |
82 | }; |
83 | ||
84 | static struct scoop_pcmcia_config collie_pcmcia_config = { | |
93982535 KE |
85 | .devs = &collie_pcmcia_scoop[0], |
86 | .num_devs = 1, | |
44575b2f PM |
87 | }; |
88 | ||
abe06082 RK |
89 | static struct ucb1x00_plat_data collie_ucb1x00_data = { |
90 | .gpio_base = COLLIE_TC35143_GPIO_BASE, | |
91 | }; | |
92 | ||
44575b2f | 93 | static struct mcp_plat_data collie_mcp_data = { |
93982535 KE |
94 | .mccr0 = MCCR0_ADM | MCCR0_ExtClk, |
95 | .sclk_rate = 9216000, | |
abe06082 | 96 | .codec_pdata = &collie_ucb1x00_data, |
44575b2f PM |
97 | }; |
98 | ||
9823b2d0 TK |
99 | /* |
100 | * Collie AC IN | |
101 | */ | |
102 | static int collie_power_init(struct device *dev) | |
103 | { | |
104 | int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in"); | |
105 | if (ret) | |
106 | goto err_gpio_req; | |
107 | ||
108 | ret = gpio_direction_input(COLLIE_GPIO_AC_IN); | |
109 | if (ret) | |
110 | goto err_gpio_in; | |
111 | ||
112 | return 0; | |
113 | ||
114 | err_gpio_in: | |
115 | gpio_free(COLLIE_GPIO_AC_IN); | |
116 | err_gpio_req: | |
117 | return ret; | |
118 | } | |
119 | ||
120 | static void collie_power_exit(struct device *dev) | |
121 | { | |
122 | gpio_free(COLLIE_GPIO_AC_IN); | |
123 | } | |
124 | ||
125 | static int collie_power_ac_online(void) | |
126 | { | |
127 | return gpio_get_value(COLLIE_GPIO_AC_IN) == 2; | |
128 | } | |
129 | ||
130 | static char *collie_ac_supplied_to[] = { | |
131 | "main-battery", | |
132 | "backup-battery", | |
133 | }; | |
134 | ||
135 | static struct pda_power_pdata collie_power_data = { | |
136 | .init = collie_power_init, | |
137 | .is_ac_online = collie_power_ac_online, | |
138 | .exit = collie_power_exit, | |
139 | .supplied_to = collie_ac_supplied_to, | |
140 | .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to), | |
141 | }; | |
142 | ||
143 | static struct resource collie_power_resource[] = { | |
144 | { | |
145 | .name = "ac", | |
9823b2d0 TK |
146 | .flags = IORESOURCE_IRQ | |
147 | IORESOURCE_IRQ_HIGHEDGE | | |
148 | IORESOURCE_IRQ_LOWEDGE, | |
149 | }, | |
150 | }; | |
151 | ||
152 | static struct platform_device collie_power_device = { | |
153 | .name = "pda-power", | |
154 | .id = -1, | |
155 | .dev.platform_data = &collie_power_data, | |
156 | .resource = collie_power_resource, | |
157 | .num_resources = ARRAY_SIZE(collie_power_resource), | |
44575b2f PM |
158 | }; |
159 | ||
50c37e21 PM |
160 | #ifdef CONFIG_SHARP_LOCOMO |
161 | /* | |
162 | * low-level UART features. | |
163 | */ | |
8d48427e | 164 | struct platform_device collie_locomo_device; |
50c37e21 PM |
165 | |
166 | static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl) | |
167 | { | |
93982535 | 168 | if (mctrl & TIOCM_RTS) |
8d48427e | 169 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0); |
93982535 | 170 | else |
8d48427e | 171 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1); |
50c37e21 | 172 | |
93982535 | 173 | if (mctrl & TIOCM_DTR) |
8d48427e | 174 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0); |
93982535 | 175 | else |
8d48427e | 176 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1); |
50c37e21 PM |
177 | } |
178 | ||
179 | static u_int collie_uart_get_mctrl(struct uart_port *port) | |
180 | { | |
181 | int ret = TIOCM_CD; | |
182 | unsigned int r; | |
50c37e21 | 183 | |
8d48427e RP |
184 | r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR); |
185 | if (r == -ENODEV) | |
186 | return ret; | |
50c37e21 PM |
187 | if (r & LOCOMO_GPIO_CTS) |
188 | ret |= TIOCM_CTS; | |
189 | if (r & LOCOMO_GPIO_DSR) | |
190 | ret |= TIOCM_DSR; | |
191 | ||
192 | return ret; | |
193 | } | |
44575b2f PM |
194 | |
195 | static struct sa1100_port_fns collie_port_fns __initdata = { | |
196 | .set_mctrl = collie_uart_set_mctrl, | |
197 | .get_mctrl = collie_uart_get_mctrl, | |
198 | }; | |
199 | ||
50c37e21 PM |
200 | static int collie_uart_probe(struct locomo_dev *dev) |
201 | { | |
50c37e21 PM |
202 | return 0; |
203 | } | |
204 | ||
205 | static int collie_uart_remove(struct locomo_dev *dev) | |
206 | { | |
50c37e21 PM |
207 | return 0; |
208 | } | |
209 | ||
210 | static struct locomo_driver collie_uart_driver = { | |
211 | .drv = { | |
212 | .name = "collie_uart", | |
213 | }, | |
214 | .devid = LOCOMO_DEVID_UART, | |
215 | .probe = collie_uart_probe, | |
216 | .remove = collie_uart_remove, | |
217 | }; | |
218 | ||
e63cedb6 RK |
219 | static int __init collie_uart_init(void) |
220 | { | |
50c37e21 PM |
221 | return locomo_driver_register(&collie_uart_driver); |
222 | } | |
223 | device_initcall(collie_uart_init); | |
224 | ||
225 | #endif | |
226 | ||
1da177e4 LT |
227 | |
228 | static struct resource locomo_resources[] = { | |
a181099e RK |
229 | [0] = DEFINE_RES_MEM(0x40000000, SZ_8K), |
230 | [1] = DEFINE_RES_IRQ(IRQ_GPIO25), | |
1da177e4 LT |
231 | }; |
232 | ||
ac609d26 EM |
233 | static struct locomo_platform_data locomo_info = { |
234 | .irq_base = IRQ_BOARD_START, | |
235 | }; | |
236 | ||
8d48427e | 237 | struct platform_device collie_locomo_device = { |
1da177e4 LT |
238 | .name = "locomo", |
239 | .id = 0, | |
34cd2d38 DES |
240 | .dev = { |
241 | .platform_data = &locomo_info, | |
242 | }, | |
1da177e4 LT |
243 | .num_resources = ARRAY_SIZE(locomo_resources), |
244 | .resource = locomo_resources, | |
245 | }; | |
246 | ||
162e68c0 DES |
247 | static struct gpio_keys_button collie_gpio_keys[] = { |
248 | { | |
249 | .type = EV_PWR, | |
250 | .code = KEY_RESERVED, | |
251 | .gpio = COLLIE_GPIO_ON_KEY, | |
252 | .desc = "On key", | |
253 | .wakeup = 1, | |
254 | .active_low = 1, | |
255 | }, | |
256 | { | |
257 | .type = EV_PWR, | |
258 | .code = KEY_WAKEUP, | |
259 | .gpio = COLLIE_GPIO_WAKEUP, | |
260 | .desc = "Sync", | |
261 | .wakeup = 1, | |
262 | .active_low = 1, | |
263 | }, | |
264 | }; | |
265 | ||
266 | static struct gpio_keys_platform_data collie_gpio_keys_data = { | |
267 | .buttons = collie_gpio_keys, | |
268 | .nbuttons = ARRAY_SIZE(collie_gpio_keys), | |
269 | }; | |
270 | ||
271 | static struct platform_device collie_gpio_keys_device = { | |
272 | .name = "gpio-keys", | |
273 | .id = -1, | |
274 | .dev = { | |
275 | .platform_data = &collie_gpio_keys_data, | |
276 | }, | |
277 | }; | |
278 | ||
1da177e4 | 279 | static struct platform_device *devices[] __initdata = { |
8d48427e | 280 | &collie_locomo_device, |
1da177e4 | 281 | &colliescoop_device, |
9823b2d0 | 282 | &collie_power_device, |
162e68c0 | 283 | &collie_gpio_keys_device, |
1da177e4 LT |
284 | }; |
285 | ||
286 | static struct mtd_partition collie_partitions[] = { | |
287 | { | |
288 | .name = "bootloader", | |
289 | .offset = 0, | |
290 | .size = 0x000C0000, | |
291 | .mask_flags = MTD_WRITEABLE | |
292 | }, { | |
293 | .name = "kernel", | |
294 | .offset = MTDPART_OFS_APPEND, | |
295 | .size = 0x00100000, | |
296 | }, { | |
297 | .name = "rootfs", | |
298 | .offset = MTDPART_OFS_APPEND, | |
299 | .size = 0x00e20000, | |
300 | } | |
301 | }; | |
302 | ||
224be092 DES |
303 | static int collie_flash_init(void) |
304 | { | |
e63cedb6 | 305 | int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable"); |
224be092 DES |
306 | if (rc) |
307 | return rc; | |
308 | ||
309 | rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1); | |
310 | if (rc) | |
311 | gpio_free(COLLIE_GPIO_VPEN); | |
312 | ||
313 | return rc; | |
314 | } | |
315 | ||
1da177e4 LT |
316 | static void collie_set_vpp(int vpp) |
317 | { | |
224be092 | 318 | gpio_set_value(COLLIE_GPIO_VPEN, vpp); |
1da177e4 LT |
319 | } |
320 | ||
224be092 DES |
321 | static void collie_flash_exit(void) |
322 | { | |
323 | gpio_free(COLLIE_GPIO_VPEN); | |
324 | } | |
e63cedb6 | 325 | |
1da177e4 | 326 | static struct flash_platform_data collie_flash_data = { |
d26b17ed | 327 | .map_name = "jedec_probe", |
224be092 | 328 | .init = collie_flash_init, |
1da177e4 | 329 | .set_vpp = collie_set_vpp, |
224be092 | 330 | .exit = collie_flash_exit, |
1da177e4 LT |
331 | .parts = collie_partitions, |
332 | .nr_parts = ARRAY_SIZE(collie_partitions), | |
333 | }; | |
334 | ||
335 | static struct resource collie_flash_resources[] = { | |
a181099e | 336 | DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), |
1da177e4 LT |
337 | }; |
338 | ||
e1b7a72a RK |
339 | static struct sa1100fb_mach_info collie_lcd_info = { |
340 | .pixclock = 171521, .bpp = 16, | |
341 | .xres = 320, .yres = 240, | |
342 | ||
343 | .hsync_len = 5, .vsync_len = 1, | |
344 | .left_margin = 11, .upper_margin = 2, | |
345 | .right_margin = 30, .lower_margin = 0, | |
346 | ||
347 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
348 | ||
349 | .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, | |
350 | .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), | |
beca98c9 PG |
351 | |
352 | #ifdef CONFIG_BACKLIGHT_LOCOMO | |
353 | .lcd_power = locomolcd_power | |
354 | #endif | |
e1b7a72a RK |
355 | }; |
356 | ||
1da177e4 LT |
357 | static void __init collie_init(void) |
358 | { | |
359 | int ret = 0; | |
360 | ||
361 | /* cpu initialize */ | |
864d0ec9 TK |
362 | GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | |
363 | GPIO_MCP_CLK | GPIO_32_768kHz; | |
364 | ||
365 | GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | | |
366 | GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | | |
367 | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | | |
1d0ad843 TK |
368 | _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON | |
369 | _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz; | |
864d0ec9 TK |
370 | |
371 | PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | | |
372 | PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | | |
373 | PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM; | |
374 | ||
1d0ad843 TK |
375 | PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY | |
376 | _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC; | |
864d0ec9 | 377 | |
1d0ad843 | 378 | PGSR = _COLLIE_GPIO_nREMOCON_ON; |
864d0ec9 TK |
379 | |
380 | PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4; | |
381 | ||
382 | PCFR = PCFR_OPDE; | |
383 | ||
1d0ad843 TK |
384 | GPSR |= _COLLIE_GPIO_UCB1x00_RESET; |
385 | ||
5f76559a RK |
386 | collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN); |
387 | collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN); | |
7256ecc2 | 388 | |
e36e26a8 RK |
389 | sa11x0_ppc_configure_mcp(); |
390 | ||
1da177e4 | 391 | |
44575b2f PM |
392 | platform_scoop_config = &collie_pcmcia_config; |
393 | ||
1da177e4 LT |
394 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
395 | if (ret) { | |
396 | printk(KERN_WARNING "collie: Unable to register LoCoMo device\n"); | |
397 | } | |
398 | ||
e1b7a72a | 399 | sa11x0_register_lcd(&collie_lcd_info); |
7a5b4e16 RK |
400 | sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, |
401 | ARRAY_SIZE(collie_flash_resources)); | |
402 | sa11x0_register_mcp(&collie_mcp_data); | |
1da177e4 LT |
403 | |
404 | sharpsl_save_param(); | |
405 | } | |
406 | ||
407 | static struct map_desc collie_io_desc[] __initdata = { | |
92519d82 DS |
408 | { /* 32M main flash (cs0) */ |
409 | .virtual = 0xe8000000, | |
410 | .pfn = __phys_to_pfn(0x00000000), | |
411 | .length = 0x02000000, | |
412 | .type = MT_DEVICE | |
413 | }, { /* 32M boot flash (cs1) */ | |
414 | .virtual = 0xea000000, | |
415 | .pfn = __phys_to_pfn(0x08000000), | |
416 | .length = 0x02000000, | |
417 | .type = MT_DEVICE | |
418 | } | |
1da177e4 LT |
419 | }; |
420 | ||
421 | static void __init collie_map_io(void) | |
422 | { | |
423 | sa1100_map_io(); | |
424 | iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc)); | |
50c37e21 PM |
425 | |
426 | #ifdef CONFIG_SHARP_LOCOMO | |
427 | sa1100_register_uart_fns(&collie_port_fns); | |
428 | #endif | |
429 | sa1100_register_uart(0, 3); | |
430 | sa1100_register_uart(1, 1); | |
1da177e4 LT |
431 | } |
432 | ||
433 | MACHINE_START(COLLIE, "Sharp-Collie") | |
e9dea0c6 | 434 | .map_io = collie_map_io, |
f314f33b | 435 | .nr_irqs = SA1100_NR_IRQS, |
e9dea0c6 | 436 | .init_irq = sa1100_init_irq, |
6bb27d73 | 437 | .init_time = sa1100_timer_init, |
1da177e4 | 438 | .init_machine = collie_init, |
7fea1ba5 | 439 | .init_late = sa11x0_init_late, |
d9ca5839 | 440 | .restart = sa11x0_restart, |
1da177e4 | 441 | MACHINE_END |