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/power/gpio-charger.h>
34
35 #include <video/sa1100fb.h>
36
37 #include <mach/hardware.h>
38 #include <asm/mach-types.h>
39 #include <asm/page.h>
40 #include <asm/setup.h>
41 #include <mach/collie.h>
42
43 #include <asm/mach/arch.h>
44 #include <asm/mach/flash.h>
45 #include <asm/mach/map.h>
46 #include <linux/platform_data/irda-sa11x0.h>
47
48 #include <asm/hardware/scoop.h>
49 #include <asm/mach/sharpsl_param.h>
50 #include <asm/hardware/locomo.h>
51 #include <linux/platform_data/mfd-mcp-sa11x0.h>
52 #include <mach/irqs.h>
53
54 #include "generic.h"
55
56 static struct resource collie_scoop_resources[] = {
57 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
58 };
59
60 static struct scoop_config collie_scoop_setup = {
61 .io_dir = COLLIE_SCOOP_IO_DIR,
62 .io_out = COLLIE_SCOOP_IO_OUT,
63 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
64 };
65
66 struct 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
76 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
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 },
83 };
84
85 static struct scoop_pcmcia_config collie_pcmcia_config = {
86 .devs = &collie_pcmcia_scoop[0],
87 .num_devs = 1,
88 };
89
90 static struct ucb1x00_plat_data collie_ucb1x00_data = {
91 .gpio_base = COLLIE_TC35143_GPIO_BASE,
92 };
93
94 static struct mcp_plat_data collie_mcp_data = {
95 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
96 .sclk_rate = 9216000,
97 .codec_pdata = &collie_ucb1x00_data,
98 };
99
collie_ir_startup(struct device * dev)100 static 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
collie_ir_shutdown(struct device * dev)114 static void collie_ir_shutdown(struct device *dev)
115 {
116 gpio_free(COLLIE_GPIO_IR_ON);
117 }
118
collie_ir_set_power(struct device * dev,unsigned int state)119 static 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
125 static 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
131 /*
132 * Collie AC IN
133 */
134 static char *collie_ac_supplied_to[] = {
135 "main-battery",
136 "backup-battery",
137 };
138
139
140 static struct gpio_charger_platform_data collie_power_data = {
141 .name = "charger",
142 .type = POWER_SUPPLY_TYPE_MAINS,
143 .gpio = COLLIE_GPIO_AC_IN,
144 .supplied_to = collie_ac_supplied_to,
145 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
146 };
147
148 static struct platform_device collie_power_device = {
149 .name = "gpio-charger",
150 .id = -1,
151 .dev.platform_data = &collie_power_data,
152 };
153
154 #ifdef CONFIG_SHARP_LOCOMO
155 /*
156 * low-level UART features.
157 */
158 struct platform_device collie_locomo_device;
159
collie_uart_set_mctrl(struct uart_port * port,u_int mctrl)160 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
161 {
162 if (mctrl & TIOCM_RTS)
163 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
164 else
165 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
166
167 if (mctrl & TIOCM_DTR)
168 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
169 else
170 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
171 }
172
collie_uart_get_mctrl(struct uart_port * port)173 static u_int collie_uart_get_mctrl(struct uart_port *port)
174 {
175 int ret = TIOCM_CD;
176 unsigned int r;
177
178 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
179 if (r == -ENODEV)
180 return ret;
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 }
188
189 static struct sa1100_port_fns collie_port_fns __initdata = {
190 .set_mctrl = collie_uart_set_mctrl,
191 .get_mctrl = collie_uart_get_mctrl,
192 };
193
collie_uart_probe(struct locomo_dev * dev)194 static int collie_uart_probe(struct locomo_dev *dev)
195 {
196 return 0;
197 }
198
collie_uart_remove(struct locomo_dev * dev)199 static int collie_uart_remove(struct locomo_dev *dev)
200 {
201 return 0;
202 }
203
204 static 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
collie_uart_init(void)213 static int __init collie_uart_init(void)
214 {
215 return locomo_driver_register(&collie_uart_driver);
216 }
217 device_initcall(collie_uart_init);
218
219 #endif
220
221
222 static struct resource locomo_resources[] = {
223 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
224 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
225 };
226
227 static struct locomo_platform_data locomo_info = {
228 .irq_base = IRQ_BOARD_START,
229 };
230
231 struct platform_device collie_locomo_device = {
232 .name = "locomo",
233 .id = 0,
234 .dev = {
235 .platform_data = &locomo_info,
236 },
237 .num_resources = ARRAY_SIZE(locomo_resources),
238 .resource = locomo_resources,
239 };
240
241 static 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
260 static struct gpio_keys_platform_data collie_gpio_keys_data = {
261 .buttons = collie_gpio_keys,
262 .nbuttons = ARRAY_SIZE(collie_gpio_keys),
263 };
264
265 static 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
273 static struct platform_device *devices[] __initdata = {
274 &collie_locomo_device,
275 &colliescoop_device,
276 &collie_power_device,
277 &collie_gpio_keys_device,
278 };
279
280 static 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,
294 }, {
295 .name = "bootblock",
296 .offset = MTDPART_OFS_APPEND,
297 .size = 0x00020000,
298 .mask_flags = MTD_WRITEABLE
299 }
300 };
301
collie_flash_init(void)302 static int collie_flash_init(void)
303 {
304 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
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
collie_set_vpp(int vpp)315 static void collie_set_vpp(int vpp)
316 {
317 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
318 }
319
collie_flash_exit(void)320 static void collie_flash_exit(void)
321 {
322 gpio_free(COLLIE_GPIO_VPEN);
323 }
324
325 static struct flash_platform_data collie_flash_data = {
326 .map_name = "cfi_probe",
327 .init = collie_flash_init,
328 .set_vpp = collie_set_vpp,
329 .exit = collie_flash_exit,
330 .parts = collie_partitions,
331 .nr_parts = ARRAY_SIZE(collie_partitions),
332 };
333
334 static struct resource collie_flash_resources[] = {
335 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
336 };
337
338 static 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),
350
351 #ifdef CONFIG_BACKLIGHT_LOCOMO
352 .lcd_power = locomolcd_power
353 #endif
354 };
355
collie_init(void)356 static void __init collie_init(void)
357 {
358 int ret = 0;
359
360 /* cpu initialize */
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 |
367 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
368 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
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
374 PWER = 0;
375
376 PGSR = _COLLIE_GPIO_nREMOCON_ON;
377
378 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
379
380 PCFR = PCFR_OPDE;
381
382 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
383
384 sa11x0_ppc_configure_mcp();
385
386
387 platform_scoop_config = &collie_pcmcia_config;
388
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
394 sa11x0_register_lcd(&collie_lcd_info);
395 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
396 ARRAY_SIZE(collie_flash_resources));
397 sa11x0_register_mcp(&collie_mcp_data);
398 sa11x0_register_irda(&collie_ir_data);
399
400 sharpsl_save_param();
401 }
402
403 static struct map_desc collie_io_desc[] __initdata = {
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 }
415 };
416
collie_map_io(void)417 static void __init collie_map_io(void)
418 {
419 sa1100_map_io();
420 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
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);
427 }
428
429 MACHINE_START(COLLIE, "Sharp-Collie")
430 .map_io = collie_map_io,
431 .nr_irqs = SA1100_NR_IRQS,
432 .init_irq = sa1100_init_irq,
433 .init_time = sa1100_timer_init,
434 .init_machine = collie_init,
435 .init_late = sa11x0_init_late,
436 .restart = sa11x0_restart,
437 MACHINE_END
438
