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
101 /* Battery management GPIOs */
102 static struct gpiod_lookup_table collie_battery_gpiod_table = {
103 /* the MCP codec mcp0 has the ucb1x00 as attached device */
104 .dev_id = "ucb1x00",
105 .table = {
106 /* This is found on the main GPIO on the SA1100 */
107 GPIO_LOOKUP("gpio", COLLIE_GPIO_CO,
108 "main battery full", GPIO_ACTIVE_HIGH),
109 GPIO_LOOKUP("gpio", COLLIE_GPIO_MAIN_BAT_LOW,
110 "main battery low", GPIO_ACTIVE_HIGH),
111 /*
112 * This is GPIO 0 on the Scoop expander, which is registered
113 * from common/scoop.c with this gpio chip label.
114 */
115 GPIO_LOOKUP("sharp-scoop", 0,
116 "main charge on", GPIO_ACTIVE_HIGH),
117 { },
118 },
119 };
120
collie_ir_startup(struct device * dev)121 static int collie_ir_startup(struct device *dev)
122 {
123 int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA");
124 if (rc)
125 return rc;
126 rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1);
127
128 if (!rc)
129 return 0;
130
131 gpio_free(COLLIE_GPIO_IR_ON);
132 return rc;
133 }
134
collie_ir_shutdown(struct device * dev)135 static void collie_ir_shutdown(struct device *dev)
136 {
137 gpio_free(COLLIE_GPIO_IR_ON);
138 }
139
collie_ir_set_power(struct device * dev,unsigned int state)140 static int collie_ir_set_power(struct device *dev, unsigned int state)
141 {
142 gpio_set_value(COLLIE_GPIO_IR_ON, !state);
143 return 0;
144 }
145
146 static struct irda_platform_data collie_ir_data = {
147 .startup = collie_ir_startup,
148 .shutdown = collie_ir_shutdown,
149 .set_power = collie_ir_set_power,
150 };
151
152 /*
153 * Collie AC IN
154 */
155 static struct gpiod_lookup_table collie_power_gpiod_table = {
156 .dev_id = "gpio-charger",
157 .table = {
158 GPIO_LOOKUP("gpio", COLLIE_GPIO_AC_IN,
159 NULL, GPIO_ACTIVE_HIGH),
160 { },
161 },
162 };
163
164 static char *collie_ac_supplied_to[] = {
165 "main-battery",
166 "backup-battery",
167 };
168
169 static struct gpio_charger_platform_data collie_power_data = {
170 .name = "charger",
171 .type = POWER_SUPPLY_TYPE_MAINS,
172 .supplied_to = collie_ac_supplied_to,
173 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
174 };
175
176 static struct platform_device collie_power_device = {
177 .name = "gpio-charger",
178 .id = -1,
179 .dev.platform_data = &collie_power_data,
180 };
181
182 #ifdef CONFIG_SHARP_LOCOMO
183 /*
184 * low-level UART features.
185 */
186 struct platform_device collie_locomo_device;
187
collie_uart_set_mctrl(struct uart_port * port,u_int mctrl)188 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
189 {
190 if (mctrl & TIOCM_RTS)
191 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
192 else
193 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
194
195 if (mctrl & TIOCM_DTR)
196 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
197 else
198 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
199 }
200
collie_uart_get_mctrl(struct uart_port * port)201 static u_int collie_uart_get_mctrl(struct uart_port *port)
202 {
203 int ret = TIOCM_CD;
204 unsigned int r;
205
206 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
207 if (r == -ENODEV)
208 return ret;
209 if (r & LOCOMO_GPIO_CTS)
210 ret |= TIOCM_CTS;
211 if (r & LOCOMO_GPIO_DSR)
212 ret |= TIOCM_DSR;
213
214 return ret;
215 }
216
217 static struct sa1100_port_fns collie_port_fns __initdata = {
218 .set_mctrl = collie_uart_set_mctrl,
219 .get_mctrl = collie_uart_get_mctrl,
220 };
221
collie_uart_probe(struct locomo_dev * dev)222 static int collie_uart_probe(struct locomo_dev *dev)
223 {
224 return 0;
225 }
226
227 static struct locomo_driver collie_uart_driver = {
228 .drv = {
229 .name = "collie_uart",
230 },
231 .devid = LOCOMO_DEVID_UART,
232 .probe = collie_uart_probe,
233 };
234
collie_uart_init(void)235 static int __init collie_uart_init(void)
236 {
237 return locomo_driver_register(&collie_uart_driver);
238 }
239 device_initcall(collie_uart_init);
240
241 #endif
242
243
244 static struct resource locomo_resources[] = {
245 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
246 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
247 };
248
249 static struct locomo_platform_data locomo_info = {
250 .irq_base = IRQ_BOARD_START,
251 };
252
253 struct platform_device collie_locomo_device = {
254 .name = "locomo",
255 .id = 0,
256 .dev = {
257 .platform_data = &locomo_info,
258 },
259 .num_resources = ARRAY_SIZE(locomo_resources),
260 .resource = locomo_resources,
261 };
262
263 static struct gpio_keys_button collie_gpio_keys[] = {
264 {
265 .type = EV_PWR,
266 .code = KEY_RESERVED,
267 .gpio = COLLIE_GPIO_ON_KEY,
268 .desc = "On key",
269 .wakeup = 1,
270 .active_low = 1,
271 },
272 {
273 .type = EV_PWR,
274 .code = KEY_WAKEUP,
275 .gpio = COLLIE_GPIO_WAKEUP,
276 .desc = "Sync",
277 .wakeup = 1,
278 .active_low = 1,
279 },
280 };
281
282 static struct gpio_keys_platform_data collie_gpio_keys_data = {
283 .buttons = collie_gpio_keys,
284 .nbuttons = ARRAY_SIZE(collie_gpio_keys),
285 };
286
287 static struct platform_device collie_gpio_keys_device = {
288 .name = "gpio-keys",
289 .id = -1,
290 .dev = {
291 .platform_data = &collie_gpio_keys_data,
292 },
293 };
294
295 static struct platform_device *devices[] __initdata = {
296 &collie_locomo_device,
297 &colliescoop_device,
298 &collie_power_device,
299 &collie_gpio_keys_device,
300 };
301
302 static struct mtd_partition collie_partitions[] = {
303 {
304 .name = "bootloader",
305 .offset = 0,
306 .size = 0x000C0000,
307 .mask_flags = MTD_WRITEABLE
308 }, {
309 .name = "kernel",
310 .offset = MTDPART_OFS_APPEND,
311 .size = 0x00100000,
312 }, {
313 .name = "rootfs",
314 .offset = MTDPART_OFS_APPEND,
315 .size = 0x00e20000,
316 }, {
317 .name = "bootblock",
318 .offset = MTDPART_OFS_APPEND,
319 .size = 0x00020000,
320 .mask_flags = MTD_WRITEABLE
321 }
322 };
323
collie_flash_init(void)324 static int collie_flash_init(void)
325 {
326 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
327 if (rc)
328 return rc;
329
330 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
331 if (rc)
332 gpio_free(COLLIE_GPIO_VPEN);
333
334 return rc;
335 }
336
collie_set_vpp(int vpp)337 static void collie_set_vpp(int vpp)
338 {
339 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
340 }
341
collie_flash_exit(void)342 static void collie_flash_exit(void)
343 {
344 gpio_free(COLLIE_GPIO_VPEN);
345 }
346
347 static struct flash_platform_data collie_flash_data = {
348 .map_name = "cfi_probe",
349 .init = collie_flash_init,
350 .set_vpp = collie_set_vpp,
351 .exit = collie_flash_exit,
352 .parts = collie_partitions,
353 .nr_parts = ARRAY_SIZE(collie_partitions),
354 };
355
356 static struct resource collie_flash_resources[] = {
357 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
358 };
359
360 static struct sa1100fb_mach_info collie_lcd_info = {
361 .pixclock = 171521, .bpp = 16,
362 .xres = 320, .yres = 240,
363
364 .hsync_len = 5, .vsync_len = 1,
365 .left_margin = 11, .upper_margin = 2,
366 .right_margin = 30, .lower_margin = 0,
367
368 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
369
370 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
371 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
372
373 #ifdef CONFIG_BACKLIGHT_LOCOMO
374 .lcd_power = locomolcd_power
375 #endif
376 };
377
collie_init(void)378 static void __init collie_init(void)
379 {
380 int ret = 0;
381
382 /* cpu initialize */
383 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
384 GPIO_MCP_CLK | GPIO_32_768kHz;
385
386 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
387 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
388 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
389 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
390 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
391
392 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
393 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
394 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
395
396 PWER = 0;
397
398 PGSR = _COLLIE_GPIO_nREMOCON_ON;
399
400 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
401
402 PCFR = PCFR_OPDE;
403
404 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
405
406 sa11x0_ppc_configure_mcp();
407
408
409 platform_scoop_config = &collie_pcmcia_config;
410
411 gpiod_add_lookup_table(&collie_power_gpiod_table);
412 gpiod_add_lookup_table(&collie_battery_gpiod_table);
413
414 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
415 if (ret) {
416 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
417 }
418
419 sa11x0_register_lcd(&collie_lcd_info);
420 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
421 ARRAY_SIZE(collie_flash_resources));
422 sa11x0_register_mcp(&collie_mcp_data);
423 sa11x0_register_irda(&collie_ir_data);
424
425 sharpsl_save_param();
426 }
427
428 static struct map_desc collie_io_desc[] __initdata = {
429 { /* 32M main flash (cs0) */
430 .virtual = 0xe8000000,
431 .pfn = __phys_to_pfn(0x00000000),
432 .length = 0x02000000,
433 .type = MT_DEVICE
434 }, { /* 32M boot flash (cs1) */
435 .virtual = 0xea000000,
436 .pfn = __phys_to_pfn(0x08000000),
437 .length = 0x02000000,
438 .type = MT_DEVICE
439 }
440 };
441
collie_map_io(void)442 static void __init collie_map_io(void)
443 {
444 sa1100_map_io();
445 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
446
447 #ifdef CONFIG_SHARP_LOCOMO
448 sa1100_register_uart_fns(&collie_port_fns);
449 #endif
450 sa1100_register_uart(0, 3);
451 sa1100_register_uart(1, 1);
452 }
453
454 MACHINE_START(COLLIE, "Sharp-Collie")
455 .map_io = collie_map_io,
456 .nr_irqs = SA1100_NR_IRQS,
457 .init_irq = sa1100_init_irq,
458 .init_time = sa1100_timer_init,
459 .init_machine = collie_init,
460 .init_late = sa11x0_init_late,
461 .restart = sa11x0_restart,
462 MACHINE_END
463