selftests/timers: Add mqueue latency test from the timetest suite
[deliverable/linux.git] / arch / arm / mach-sa1100 / collie.c
CommitLineData
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>
119acbd2 33#include <linux/power/gpio-charger.h>
1da177e4 34
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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>
dd450777 46#include <linux/platform_data/irda-sa11x0.h>
1da177e4
LT
47
48#include <asm/hardware/scoop.h>
49#include <asm/mach/sharpsl_param.h>
50#include <asm/hardware/locomo.h>
a1fd844c 51#include <linux/platform_data/mfd-mcp-sa11x0.h>
f314f33b 52#include <mach/irqs.h>
1da177e4
LT
53
54#include "generic.h"
55
56static struct resource collie_scoop_resources[] = {
a181099e 57 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
1da177e4
LT
58};
59
60static struct scoop_config collie_scoop_setup = {
61 .io_dir = COLLIE_SCOOP_IO_DIR,
62 .io_out = COLLIE_SCOOP_IO_OUT,
f151ccf7 63 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
1da177e4
LT
64};
65
66struct platform_device colliescoop_device = {
67 .name = "sharp-scoop",
68 .id = -1,
69 .dev = {
70 .platform_data = &collie_scoop_setup,
71 },
72 .num_resources = ARRAY_SIZE(collie_scoop_resources),
73 .resource = collie_scoop_resources,
74};
75
44575b2f 76static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
93982535
KE
77 {
78 .dev = &colliescoop_device.dev,
79 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
80 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
81 .cd_irq_str = "PCMCIA0 CD",
82 },
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PM
83};
84
85static struct scoop_pcmcia_config collie_pcmcia_config = {
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KE
86 .devs = &collie_pcmcia_scoop[0],
87 .num_devs = 1,
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PM
88};
89
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RK
90static struct ucb1x00_plat_data collie_ucb1x00_data = {
91 .gpio_base = COLLIE_TC35143_GPIO_BASE,
92};
93
44575b2f 94static struct mcp_plat_data collie_mcp_data = {
93982535
KE
95 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
96 .sclk_rate = 9216000,
abe06082 97 .codec_pdata = &collie_ucb1x00_data,
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98};
99
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DES
100static int collie_ir_startup(struct device *dev)
101{
102 int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA");
103 if (rc)
104 return rc;
105 rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1);
106
107 if (!rc)
108 return 0;
109
110 gpio_free(COLLIE_GPIO_IR_ON);
111 return rc;
112}
113
114static void collie_ir_shutdown(struct device *dev)
115{
116 gpio_free(COLLIE_GPIO_IR_ON);
117}
118
119static int collie_ir_set_power(struct device *dev, unsigned int state)
120{
121 gpio_set_value(COLLIE_GPIO_IR_ON, !state);
122 return 0;
123}
124
125static struct irda_platform_data collie_ir_data = {
126 .startup = collie_ir_startup,
127 .shutdown = collie_ir_shutdown,
128 .set_power = collie_ir_set_power,
129};
130
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131/*
132 * Collie AC IN
133 */
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134static char *collie_ac_supplied_to[] = {
135 "main-battery",
136 "backup-battery",
137};
138
119acbd2
DES
139
140static struct gpio_charger_platform_data collie_power_data = {
141 .name = "charger",
142 .type = POWER_SUPPLY_TYPE_MAINS,
143 .gpio = COLLIE_GPIO_AC_IN,
9823b2d0
TK
144 .supplied_to = collie_ac_supplied_to,
145 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
146};
147
9823b2d0 148static struct platform_device collie_power_device = {
119acbd2 149 .name = "gpio-charger",
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150 .id = -1,
151 .dev.platform_data = &collie_power_data,
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PM
152};
153
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154#ifdef CONFIG_SHARP_LOCOMO
155/*
156 * low-level UART features.
157 */
8d48427e 158struct platform_device collie_locomo_device;
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159
160static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
161{
93982535 162 if (mctrl & TIOCM_RTS)
8d48427e 163 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
93982535 164 else
8d48427e 165 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
50c37e21 166
93982535 167 if (mctrl & TIOCM_DTR)
8d48427e 168 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
93982535 169 else
8d48427e 170 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
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PM
171}
172
173static u_int collie_uart_get_mctrl(struct uart_port *port)
174{
175 int ret = TIOCM_CD;
176 unsigned int r;
50c37e21 177
8d48427e
RP
178 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
179 if (r == -ENODEV)
180 return ret;
50c37e21
PM
181 if (r & LOCOMO_GPIO_CTS)
182 ret |= TIOCM_CTS;
183 if (r & LOCOMO_GPIO_DSR)
184 ret |= TIOCM_DSR;
185
186 return ret;
187}
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PM
188
189static struct sa1100_port_fns collie_port_fns __initdata = {
190 .set_mctrl = collie_uart_set_mctrl,
191 .get_mctrl = collie_uart_get_mctrl,
192};
193
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PM
194static int collie_uart_probe(struct locomo_dev *dev)
195{
50c37e21
PM
196 return 0;
197}
198
199static int collie_uart_remove(struct locomo_dev *dev)
200{
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PM
201 return 0;
202}
203
204static struct locomo_driver collie_uart_driver = {
205 .drv = {
206 .name = "collie_uart",
207 },
208 .devid = LOCOMO_DEVID_UART,
209 .probe = collie_uart_probe,
210 .remove = collie_uart_remove,
211};
212
e63cedb6
RK
213static int __init collie_uart_init(void)
214{
50c37e21
PM
215 return locomo_driver_register(&collie_uart_driver);
216}
217device_initcall(collie_uart_init);
218
219#endif
220
1da177e4
LT
221
222static struct resource locomo_resources[] = {
a181099e
RK
223 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
224 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
1da177e4
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225};
226
ac609d26
EM
227static struct locomo_platform_data locomo_info = {
228 .irq_base = IRQ_BOARD_START,
229};
230
8d48427e 231struct platform_device collie_locomo_device = {
1da177e4
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232 .name = "locomo",
233 .id = 0,
34cd2d38
DES
234 .dev = {
235 .platform_data = &locomo_info,
236 },
1da177e4
LT
237 .num_resources = ARRAY_SIZE(locomo_resources),
238 .resource = locomo_resources,
239};
240
162e68c0
DES
241static struct gpio_keys_button collie_gpio_keys[] = {
242 {
243 .type = EV_PWR,
244 .code = KEY_RESERVED,
245 .gpio = COLLIE_GPIO_ON_KEY,
246 .desc = "On key",
247 .wakeup = 1,
248 .active_low = 1,
249 },
250 {
251 .type = EV_PWR,
252 .code = KEY_WAKEUP,
253 .gpio = COLLIE_GPIO_WAKEUP,
254 .desc = "Sync",
255 .wakeup = 1,
256 .active_low = 1,
257 },
258};
259
260static struct gpio_keys_platform_data collie_gpio_keys_data = {
261 .buttons = collie_gpio_keys,
262 .nbuttons = ARRAY_SIZE(collie_gpio_keys),
263};
264
265static struct platform_device collie_gpio_keys_device = {
266 .name = "gpio-keys",
267 .id = -1,
268 .dev = {
269 .platform_data = &collie_gpio_keys_data,
270 },
271};
272
1da177e4 273static struct platform_device *devices[] __initdata = {
8d48427e 274 &collie_locomo_device,
1da177e4 275 &colliescoop_device,
9823b2d0 276 &collie_power_device,
162e68c0 277 &collie_gpio_keys_device,
1da177e4
LT
278};
279
280static struct mtd_partition collie_partitions[] = {
281 {
282 .name = "bootloader",
283 .offset = 0,
284 .size = 0x000C0000,
285 .mask_flags = MTD_WRITEABLE
286 }, {
287 .name = "kernel",
288 .offset = MTDPART_OFS_APPEND,
289 .size = 0x00100000,
290 }, {
291 .name = "rootfs",
292 .offset = MTDPART_OFS_APPEND,
293 .size = 0x00e20000,
3abe7423
AA
294 }, {
295 .name = "bootblock",
296 .offset = MTDPART_OFS_APPEND,
297 .size = 0x00020000,
298 .mask_flags = MTD_WRITEABLE
1da177e4
LT
299 }
300};
301
224be092
DB
302static int collie_flash_init(void)
303{
e63cedb6 304 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
224be092
DB
305 if (rc)
306 return rc;
307
308 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
309 if (rc)
310 gpio_free(COLLIE_GPIO_VPEN);
311
312 return rc;
313}
314
1da177e4
LT
315static void collie_set_vpp(int vpp)
316{
224be092 317 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
1da177e4
LT
318}
319
224be092
DB
320static void collie_flash_exit(void)
321{
322 gpio_free(COLLIE_GPIO_VPEN);
323}
e63cedb6 324
1da177e4 325static struct flash_platform_data collie_flash_data = {
92183103 326 .map_name = "cfi_probe",
224be092 327 .init = collie_flash_init,
1da177e4 328 .set_vpp = collie_set_vpp,
224be092 329 .exit = collie_flash_exit,
1da177e4
LT
330 .parts = collie_partitions,
331 .nr_parts = ARRAY_SIZE(collie_partitions),
332};
333
334static struct resource collie_flash_resources[] = {
a181099e 335 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
1da177e4
LT
336};
337
e1b7a72a
RK
338static struct sa1100fb_mach_info collie_lcd_info = {
339 .pixclock = 171521, .bpp = 16,
340 .xres = 320, .yres = 240,
341
342 .hsync_len = 5, .vsync_len = 1,
343 .left_margin = 11, .upper_margin = 2,
344 .right_margin = 30, .lower_margin = 0,
345
346 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
347
348 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
349 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
beca98c9
PG
350
351#ifdef CONFIG_BACKLIGHT_LOCOMO
352 .lcd_power = locomolcd_power
353#endif
e1b7a72a
RK
354};
355
1da177e4
LT
356static void __init collie_init(void)
357{
358 int ret = 0;
359
360 /* cpu initialize */
864d0ec9
TK
361 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
362 GPIO_MCP_CLK | GPIO_32_768kHz;
363
364 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
365 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
366 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
1d0ad843
TK
367 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
368 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
864d0ec9
TK
369
370 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
371 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
372 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
373
1ff990c0 374 PWER = 0;
864d0ec9 375
1d0ad843 376 PGSR = _COLLIE_GPIO_nREMOCON_ON;
864d0ec9
TK
377
378 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
379
380 PCFR = PCFR_OPDE;
381
1d0ad843
TK
382 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
383
e36e26a8
RK
384 sa11x0_ppc_configure_mcp();
385
1da177e4 386
44575b2f
PM
387 platform_scoop_config = &collie_pcmcia_config;
388
1da177e4
LT
389 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
390 if (ret) {
391 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
392 }
393
e1b7a72a 394 sa11x0_register_lcd(&collie_lcd_info);
7a5b4e16
RK
395 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
396 ARRAY_SIZE(collie_flash_resources));
397 sa11x0_register_mcp(&collie_mcp_data);
287d4d51 398 sa11x0_register_irda(&collie_ir_data);
1da177e4
LT
399
400 sharpsl_save_param();
401}
402
403static struct map_desc collie_io_desc[] __initdata = {
92519d82
DS
404 { /* 32M main flash (cs0) */
405 .virtual = 0xe8000000,
406 .pfn = __phys_to_pfn(0x00000000),
407 .length = 0x02000000,
408 .type = MT_DEVICE
409 }, { /* 32M boot flash (cs1) */
410 .virtual = 0xea000000,
411 .pfn = __phys_to_pfn(0x08000000),
412 .length = 0x02000000,
413 .type = MT_DEVICE
414 }
1da177e4
LT
415};
416
417static void __init collie_map_io(void)
418{
419 sa1100_map_io();
420 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
50c37e21
PM
421
422#ifdef CONFIG_SHARP_LOCOMO
423 sa1100_register_uart_fns(&collie_port_fns);
424#endif
425 sa1100_register_uart(0, 3);
426 sa1100_register_uart(1, 1);
1da177e4
LT
427}
428
429MACHINE_START(COLLIE, "Sharp-Collie")
e9dea0c6 430 .map_io = collie_map_io,
f314f33b 431 .nr_irqs = SA1100_NR_IRQS,
e9dea0c6 432 .init_irq = sa1100_init_irq,
6bb27d73 433 .init_time = sa1100_timer_init,
1da177e4 434 .init_machine = collie_init,
7fea1ba5 435 .init_late = sa11x0_init_late,
d9ca5839 436 .restart = sa11x0_restart,
1da177e4 437MACHINE_END
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