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:
14 * 2006 Pavel Machek <pavel@ucw.cz>
15 * 03-06-2004 John Lenz <lenz@cs.wisc.edu>
16 * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
17 * 04-16-2001 Lineo Japan,Inc. ...
18 */
19
20 #include <linux/init.h>
21 #include <linux/kernel.h>
22 #include <linux/tty.h>
23 #include <linux/delay.h>
24 #include <linux/platform_data/sa11x0-serial.h>
25 #include <linux/platform_device.h>
26 #include <linux/mfd/ucb1x00.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/timer.h>
30 #include <linux/gpio_keys.h>
31 #include <linux/input.h>
32 #include <linux/gpio.h>
33 #include <linux/gpio/machine.h>
34 #include <linux/power/gpio-charger.h>
35
36 #include <video/sa1100fb.h>
37
38 #include <mach/hardware.h>
39 #include <asm/mach-types.h>
40 #include <asm/page.h>
41 #include <asm/setup.h>
42 #include <mach/collie.h>
43
44 #include <asm/mach/arch.h>
45 #include <asm/mach/flash.h>
46 #include <asm/mach/map.h>
47 #include <linux/platform_data/irda-sa11x0.h>
48
49 #include <asm/hardware/scoop.h>
50 #include <asm/mach/sharpsl_param.h>
51 #include <asm/hardware/locomo.h>
52 #include <linux/platform_data/mfd-mcp-sa11x0.h>
53 #include <mach/irqs.h>
54
55 #include "generic.h"
56
57 static struct resource collie_scoop_resources[] = {
58 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
59 };
60
61 static struct scoop_config collie_scoop_setup = {
62 .io_dir = COLLIE_SCOOP_IO_DIR,
63 .io_out = COLLIE_SCOOP_IO_OUT,
64 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
65 };
66
67 struct platform_device colliescoop_device = {
68 .name = "sharp-scoop",
69 .id = -1,
70 .dev = {
71 .platform_data = &collie_scoop_setup,
72 },
73 .num_resources = ARRAY_SIZE(collie_scoop_resources),
74 .resource = collie_scoop_resources,
75 };
76
77 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
78 {
79 .dev = &colliescoop_device.dev,
80 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
81 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
82 .cd_irq_str = "PCMCIA0 CD",
83 },
84 };
85
86 static struct scoop_pcmcia_config collie_pcmcia_config = {
87 .devs = &collie_pcmcia_scoop[0],
88 .num_devs = 1,
89 };
90
91 static struct ucb1x00_plat_data collie_ucb1x00_data = {
92 .gpio_base = COLLIE_TC35143_GPIO_BASE,
93 };
94
95 static struct mcp_plat_data collie_mcp_data = {
96 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
97 .sclk_rate = 9216000,
98 .codec_pdata = &collie_ucb1x00_data,
99 };
100
collie_ir_startup(struct device * dev)101 static int collie_ir_startup(struct device *dev)
102 {
103 int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA");
104 if (rc)
105 return rc;
106 rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1);
107
108 if (!rc)
109 return 0;
110
111 gpio_free(COLLIE_GPIO_IR_ON);
112 return rc;
113 }
114
collie_ir_shutdown(struct device * dev)115 static void collie_ir_shutdown(struct device *dev)
116 {
117 gpio_free(COLLIE_GPIO_IR_ON);
118 }
119
collie_ir_set_power(struct device * dev,unsigned int state)120 static int collie_ir_set_power(struct device *dev, unsigned int state)
121 {
122 gpio_set_value(COLLIE_GPIO_IR_ON, !state);
123 return 0;
124 }
125
126 static struct irda_platform_data collie_ir_data = {
127 .startup = collie_ir_startup,
128 .shutdown = collie_ir_shutdown,
129 .set_power = collie_ir_set_power,
130 };
131
132 /*
133 * Collie AC IN
134 */
135 static struct gpiod_lookup_table collie_power_gpiod_table = {
136 .dev_id = "gpio-charger",
137 .table = {
138 GPIO_LOOKUP("gpio", COLLIE_GPIO_AC_IN,
139 NULL, GPIO_ACTIVE_HIGH),
140 { },
141 },
142 };
143
144 static char *collie_ac_supplied_to[] = {
145 "main-battery",
146 "backup-battery",
147 };
148
149 static struct gpio_charger_platform_data collie_power_data = {
150 .name = "charger",
151 .type = POWER_SUPPLY_TYPE_MAINS,
152 .supplied_to = collie_ac_supplied_to,
153 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
154 };
155
156 static struct platform_device collie_power_device = {
157 .name = "gpio-charger",
158 .id = -1,
159 .dev.platform_data = &collie_power_data,
160 };
161
162 #ifdef CONFIG_SHARP_LOCOMO
163 /*
164 * low-level UART features.
165 */
166 struct platform_device collie_locomo_device;
167
collie_uart_set_mctrl(struct uart_port * port,u_int mctrl)168 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
169 {
170 if (mctrl & TIOCM_RTS)
171 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
172 else
173 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
174
175 if (mctrl & TIOCM_DTR)
176 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
177 else
178 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
179 }
180
collie_uart_get_mctrl(struct uart_port * port)181 static u_int collie_uart_get_mctrl(struct uart_port *port)
182 {
183 int ret = TIOCM_CD;
184 unsigned int r;
185
186 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
187 if (r == -ENODEV)
188 return ret;
189 if (r & LOCOMO_GPIO_CTS)
190 ret |= TIOCM_CTS;
191 if (r & LOCOMO_GPIO_DSR)
192 ret |= TIOCM_DSR;
193
194 return ret;
195 }
196
197 static struct sa1100_port_fns collie_port_fns __initdata = {
198 .set_mctrl = collie_uart_set_mctrl,
199 .get_mctrl = collie_uart_get_mctrl,
200 };
201
collie_uart_probe(struct locomo_dev * dev)202 static int collie_uart_probe(struct locomo_dev *dev)
203 {
204 return 0;
205 }
206
collie_uart_remove(struct locomo_dev * dev)207 static int collie_uart_remove(struct locomo_dev *dev)
208 {
209 return 0;
210 }
211
212 static struct locomo_driver collie_uart_driver = {
213 .drv = {
214 .name = "collie_uart",
215 },
216 .devid = LOCOMO_DEVID_UART,
217 .probe = collie_uart_probe,
218 .remove = collie_uart_remove,
219 };
220
collie_uart_init(void)221 static int __init collie_uart_init(void)
222 {
223 return locomo_driver_register(&collie_uart_driver);
224 }
225 device_initcall(collie_uart_init);
226
227 #endif
228
229
230 static struct resource locomo_resources[] = {
231 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
232 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
233 };
234
235 static struct locomo_platform_data locomo_info = {
236 .irq_base = IRQ_BOARD_START,
237 };
238
239 struct platform_device collie_locomo_device = {
240 .name = "locomo",
241 .id = 0,
242 .dev = {
243 .platform_data = &locomo_info,
244 },
245 .num_resources = ARRAY_SIZE(locomo_resources),
246 .resource = locomo_resources,
247 };
248
249 static struct gpio_keys_button collie_gpio_keys[] = {
250 {
251 .type = EV_PWR,
252 .code = KEY_RESERVED,
253 .gpio = COLLIE_GPIO_ON_KEY,
254 .desc = "On key",
255 .wakeup = 1,
256 .active_low = 1,
257 },
258 {
259 .type = EV_PWR,
260 .code = KEY_WAKEUP,
261 .gpio = COLLIE_GPIO_WAKEUP,
262 .desc = "Sync",
263 .wakeup = 1,
264 .active_low = 1,
265 },
266 };
267
268 static struct gpio_keys_platform_data collie_gpio_keys_data = {
269 .buttons = collie_gpio_keys,
270 .nbuttons = ARRAY_SIZE(collie_gpio_keys),
271 };
272
273 static struct platform_device collie_gpio_keys_device = {
274 .name = "gpio-keys",
275 .id = -1,
276 .dev = {
277 .platform_data = &collie_gpio_keys_data,
278 },
279 };
280
281 static struct platform_device *devices[] __initdata = {
282 &collie_locomo_device,
283 &colliescoop_device,
284 &collie_power_device,
285 &collie_gpio_keys_device,
286 };
287
288 static struct mtd_partition collie_partitions[] = {
289 {
290 .name = "bootloader",
291 .offset = 0,
292 .size = 0x000C0000,
293 .mask_flags = MTD_WRITEABLE
294 }, {
295 .name = "kernel",
296 .offset = MTDPART_OFS_APPEND,
297 .size = 0x00100000,
298 }, {
299 .name = "rootfs",
300 .offset = MTDPART_OFS_APPEND,
301 .size = 0x00e20000,
302 }, {
303 .name = "bootblock",
304 .offset = MTDPART_OFS_APPEND,
305 .size = 0x00020000,
306 .mask_flags = MTD_WRITEABLE
307 }
308 };
309
collie_flash_init(void)310 static int collie_flash_init(void)
311 {
312 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
313 if (rc)
314 return rc;
315
316 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
317 if (rc)
318 gpio_free(COLLIE_GPIO_VPEN);
319
320 return rc;
321 }
322
collie_set_vpp(int vpp)323 static void collie_set_vpp(int vpp)
324 {
325 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
326 }
327
collie_flash_exit(void)328 static void collie_flash_exit(void)
329 {
330 gpio_free(COLLIE_GPIO_VPEN);
331 }
332
333 static struct flash_platform_data collie_flash_data = {
334 .map_name = "cfi_probe",
335 .init = collie_flash_init,
336 .set_vpp = collie_set_vpp,
337 .exit = collie_flash_exit,
338 .parts = collie_partitions,
339 .nr_parts = ARRAY_SIZE(collie_partitions),
340 };
341
342 static struct resource collie_flash_resources[] = {
343 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
344 };
345
346 static struct sa1100fb_mach_info collie_lcd_info = {
347 .pixclock = 171521, .bpp = 16,
348 .xres = 320, .yres = 240,
349
350 .hsync_len = 5, .vsync_len = 1,
351 .left_margin = 11, .upper_margin = 2,
352 .right_margin = 30, .lower_margin = 0,
353
354 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
355
356 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
357 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
358
359 #ifdef CONFIG_BACKLIGHT_LOCOMO
360 .lcd_power = locomolcd_power
361 #endif
362 };
363
collie_init(void)364 static void __init collie_init(void)
365 {
366 int ret = 0;
367
368 /* cpu initialize */
369 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
370 GPIO_MCP_CLK | GPIO_32_768kHz;
371
372 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
373 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
374 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
375 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
376 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
377
378 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
379 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
380 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
381
382 PWER = 0;
383
384 PGSR = _COLLIE_GPIO_nREMOCON_ON;
385
386 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
387
388 PCFR = PCFR_OPDE;
389
390 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
391
392 sa11x0_ppc_configure_mcp();
393
394
395 platform_scoop_config = &collie_pcmcia_config;
396
397 gpiod_add_lookup_table(&collie_power_gpiod_table);
398
399 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
400 if (ret) {
401 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
402 }
403
404 sa11x0_register_lcd(&collie_lcd_info);
405 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
406 ARRAY_SIZE(collie_flash_resources));
407 sa11x0_register_mcp(&collie_mcp_data);
408 sa11x0_register_irda(&collie_ir_data);
409
410 sharpsl_save_param();
411 }
412
413 static struct map_desc collie_io_desc[] __initdata = {
414 { /* 32M main flash (cs0) */
415 .virtual = 0xe8000000,
416 .pfn = __phys_to_pfn(0x00000000),
417 .length = 0x02000000,
418 .type = MT_DEVICE
419 }, { /* 32M boot flash (cs1) */
420 .virtual = 0xea000000,
421 .pfn = __phys_to_pfn(0x08000000),
422 .length = 0x02000000,
423 .type = MT_DEVICE
424 }
425 };
426
collie_map_io(void)427 static void __init collie_map_io(void)
428 {
429 sa1100_map_io();
430 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
431
432 #ifdef CONFIG_SHARP_LOCOMO
433 sa1100_register_uart_fns(&collie_port_fns);
434 #endif
435 sa1100_register_uart(0, 3);
436 sa1100_register_uart(1, 1);
437 }
438
439 MACHINE_START(COLLIE, "Sharp-Collie")
440 .map_io = collie_map_io,
441 .nr_irqs = SA1100_NR_IRQS,
442 .init_irq = sa1100_init_irq,
443 .init_time = sa1100_timer_init,
444 .init_machine = collie_init,
445 .init_late = sa11x0_init_late,
446 .restart = sa11x0_restart,
447 MACHINE_END
448