Merge tag 'locks-v3.16-2' of git://git.samba.org/jlayton/linux
[linux/fpc-iii.git] / arch / arm / mach-sa1100 / collie.c
blobf9874ba60cc84a6347f0f6bf7b18d1434c886c9f
1 /*
2 * linux/arch/arm/mach-sa1100/collie.c
4 * May be copied or modified under the terms of the GNU General Public
5 * License. See linux/COPYING for more information.
7 * This file contains all Collie-specific tweaks.
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.
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. ...
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/pda_power.h>
35 #include <video/sa1100fb.h>
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>
43 #include <asm/mach/arch.h>
44 #include <asm/mach/flash.h>
45 #include <asm/mach/map.h>
46 #include <asm/mach/irda.h>
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>
54 #include "generic.h"
56 static struct resource collie_scoop_resources[] = {
57 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
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,
66 struct platform_device colliescoop_device = {
67 .name = "sharp-scoop",
68 .id = -1,
69 .dev = {
70 .platform_data = &collie_scoop_setup,
72 .num_resources = ARRAY_SIZE(collie_scoop_resources),
73 .resource = collie_scoop_resources,
76 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
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",
85 static struct scoop_pcmcia_config collie_pcmcia_config = {
86 .devs = &collie_pcmcia_scoop[0],
87 .num_devs = 1,
90 static struct ucb1x00_plat_data collie_ucb1x00_data = {
91 .gpio_base = COLLIE_TC35143_GPIO_BASE,
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,
100 static int collie_ir_startup(struct device *dev)
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);
107 if (!rc)
108 return 0;
110 gpio_free(COLLIE_GPIO_IR_ON);
111 return rc;
114 static void collie_ir_shutdown(struct device *dev)
116 gpio_free(COLLIE_GPIO_IR_ON);
119 static int collie_ir_set_power(struct device *dev, unsigned int state)
121 gpio_set_value(COLLIE_GPIO_IR_ON, !state);
122 return 0;
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,
132 * Collie AC IN
134 static int collie_power_init(struct device *dev)
136 int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
137 if (ret)
138 goto err_gpio_req;
140 ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
141 if (ret)
142 goto err_gpio_in;
144 return 0;
146 err_gpio_in:
147 gpio_free(COLLIE_GPIO_AC_IN);
148 err_gpio_req:
149 return ret;
152 static void collie_power_exit(struct device *dev)
154 gpio_free(COLLIE_GPIO_AC_IN);
157 static int collie_power_ac_online(void)
159 return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
162 static char *collie_ac_supplied_to[] = {
163 "main-battery",
164 "backup-battery",
167 static struct pda_power_pdata collie_power_data = {
168 .init = collie_power_init,
169 .is_ac_online = collie_power_ac_online,
170 .exit = collie_power_exit,
171 .supplied_to = collie_ac_supplied_to,
172 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
175 static struct resource collie_power_resource[] = {
177 .name = "ac",
178 .flags = IORESOURCE_IRQ |
179 IORESOURCE_IRQ_HIGHEDGE |
180 IORESOURCE_IRQ_LOWEDGE,
184 static struct platform_device collie_power_device = {
185 .name = "pda-power",
186 .id = -1,
187 .dev.platform_data = &collie_power_data,
188 .resource = collie_power_resource,
189 .num_resources = ARRAY_SIZE(collie_power_resource),
192 #ifdef CONFIG_SHARP_LOCOMO
194 * low-level UART features.
196 struct platform_device collie_locomo_device;
198 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
200 if (mctrl & TIOCM_RTS)
201 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
202 else
203 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
205 if (mctrl & TIOCM_DTR)
206 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
207 else
208 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
211 static u_int collie_uart_get_mctrl(struct uart_port *port)
213 int ret = TIOCM_CD;
214 unsigned int r;
216 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
217 if (r == -ENODEV)
218 return ret;
219 if (r & LOCOMO_GPIO_CTS)
220 ret |= TIOCM_CTS;
221 if (r & LOCOMO_GPIO_DSR)
222 ret |= TIOCM_DSR;
224 return ret;
227 static struct sa1100_port_fns collie_port_fns __initdata = {
228 .set_mctrl = collie_uart_set_mctrl,
229 .get_mctrl = collie_uart_get_mctrl,
232 static int collie_uart_probe(struct locomo_dev *dev)
234 return 0;
237 static int collie_uart_remove(struct locomo_dev *dev)
239 return 0;
242 static struct locomo_driver collie_uart_driver = {
243 .drv = {
244 .name = "collie_uart",
246 .devid = LOCOMO_DEVID_UART,
247 .probe = collie_uart_probe,
248 .remove = collie_uart_remove,
251 static int __init collie_uart_init(void)
253 return locomo_driver_register(&collie_uart_driver);
255 device_initcall(collie_uart_init);
257 #endif
260 static struct resource locomo_resources[] = {
261 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
262 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
265 static struct locomo_platform_data locomo_info = {
266 .irq_base = IRQ_BOARD_START,
269 struct platform_device collie_locomo_device = {
270 .name = "locomo",
271 .id = 0,
272 .dev = {
273 .platform_data = &locomo_info,
275 .num_resources = ARRAY_SIZE(locomo_resources),
276 .resource = locomo_resources,
279 static struct gpio_keys_button collie_gpio_keys[] = {
281 .type = EV_PWR,
282 .code = KEY_RESERVED,
283 .gpio = COLLIE_GPIO_ON_KEY,
284 .desc = "On key",
285 .wakeup = 1,
286 .active_low = 1,
289 .type = EV_PWR,
290 .code = KEY_WAKEUP,
291 .gpio = COLLIE_GPIO_WAKEUP,
292 .desc = "Sync",
293 .wakeup = 1,
294 .active_low = 1,
298 static struct gpio_keys_platform_data collie_gpio_keys_data = {
299 .buttons = collie_gpio_keys,
300 .nbuttons = ARRAY_SIZE(collie_gpio_keys),
303 static struct platform_device collie_gpio_keys_device = {
304 .name = "gpio-keys",
305 .id = -1,
306 .dev = {
307 .platform_data = &collie_gpio_keys_data,
311 static struct platform_device *devices[] __initdata = {
312 &collie_locomo_device,
313 &colliescoop_device,
314 &collie_power_device,
315 &collie_gpio_keys_device,
318 static struct mtd_partition collie_partitions[] = {
320 .name = "bootloader",
321 .offset = 0,
322 .size = 0x000C0000,
323 .mask_flags = MTD_WRITEABLE
324 }, {
325 .name = "kernel",
326 .offset = MTDPART_OFS_APPEND,
327 .size = 0x00100000,
328 }, {
329 .name = "rootfs",
330 .offset = MTDPART_OFS_APPEND,
331 .size = 0x00e20000,
335 static int collie_flash_init(void)
337 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
338 if (rc)
339 return rc;
341 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
342 if (rc)
343 gpio_free(COLLIE_GPIO_VPEN);
345 return rc;
348 static void collie_set_vpp(int vpp)
350 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
353 static void collie_flash_exit(void)
355 gpio_free(COLLIE_GPIO_VPEN);
358 static struct flash_platform_data collie_flash_data = {
359 .map_name = "jedec_probe",
360 .init = collie_flash_init,
361 .set_vpp = collie_set_vpp,
362 .exit = collie_flash_exit,
363 .parts = collie_partitions,
364 .nr_parts = ARRAY_SIZE(collie_partitions),
367 static struct resource collie_flash_resources[] = {
368 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
371 static struct sa1100fb_mach_info collie_lcd_info = {
372 .pixclock = 171521, .bpp = 16,
373 .xres = 320, .yres = 240,
375 .hsync_len = 5, .vsync_len = 1,
376 .left_margin = 11, .upper_margin = 2,
377 .right_margin = 30, .lower_margin = 0,
379 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
381 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
382 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
384 #ifdef CONFIG_BACKLIGHT_LOCOMO
385 .lcd_power = locomolcd_power
386 #endif
389 static void __init collie_init(void)
391 int ret = 0;
393 /* cpu initialize */
394 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
395 GPIO_MCP_CLK | GPIO_32_768kHz;
397 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
398 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
399 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
400 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
401 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
403 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
404 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
405 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
407 PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
408 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
410 PGSR = _COLLIE_GPIO_nREMOCON_ON;
412 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
414 PCFR = PCFR_OPDE;
416 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
418 collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN);
419 collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN);
421 sa11x0_ppc_configure_mcp();
424 platform_scoop_config = &collie_pcmcia_config;
426 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
427 if (ret) {
428 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
431 sa11x0_register_lcd(&collie_lcd_info);
432 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
433 ARRAY_SIZE(collie_flash_resources));
434 sa11x0_register_mcp(&collie_mcp_data);
435 sa11x0_register_irda(&collie_ir_data);
437 sharpsl_save_param();
440 static struct map_desc collie_io_desc[] __initdata = {
441 { /* 32M main flash (cs0) */
442 .virtual = 0xe8000000,
443 .pfn = __phys_to_pfn(0x00000000),
444 .length = 0x02000000,
445 .type = MT_DEVICE
446 }, { /* 32M boot flash (cs1) */
447 .virtual = 0xea000000,
448 .pfn = __phys_to_pfn(0x08000000),
449 .length = 0x02000000,
450 .type = MT_DEVICE
454 static void __init collie_map_io(void)
456 sa1100_map_io();
457 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
459 #ifdef CONFIG_SHARP_LOCOMO
460 sa1100_register_uart_fns(&collie_port_fns);
461 #endif
462 sa1100_register_uart(0, 3);
463 sa1100_register_uart(1, 1);
466 MACHINE_START(COLLIE, "Sharp-Collie")
467 .map_io = collie_map_io,
468 .nr_irqs = SA1100_NR_IRQS,
469 .init_irq = sa1100_init_irq,
470 .init_time = sa1100_timer_init,
471 .init_machine = collie_init,
472 .init_late = sa11x0_init_late,
473 .restart = sa11x0_restart,
474 MACHINE_END