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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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:
Pavel Macheka2531292010-07-18 14:27:13 +020014 * 2006 Pavel Machek <pavel@ucw.cz>
Pavel Machek50c37e22006-04-01 12:13:31 +010015 * 03-06-2004 John Lenz <lenz@cs.wisc.edu>
Linus Torvalds1da177e2005-04-16 15:20:36 -070016 * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net>
17 * 04-16-2001 Lineo Japan,Inc. ...
18 */
19
Linus Torvalds1da177e2005-04-16 15:20:36 -070020#include <linux/init.h>
21#include <linux/kernel.h>
22#include <linux/tty.h>
23#include <linux/delay.h>
Russell Kingd052d1b2005-10-29 19:07:23 +010024#include <linux/platform_device.h>
Russell Kingabe06082012-01-20 22:13:52 +000025#include <linux/mfd/ucb1x00.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#include <linux/mtd/mtd.h>
27#include <linux/mtd/partitions.h>
28#include <linux/timer.h>
Dmitry Baryshkov224be092009-03-25 10:14:25 +010029#include <linux/gpio.h>
Thomas Kunze9823b2d2009-02-10 13:48:32 +010030#include <linux/pda_power.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
Russell Kinge1b7a722012-01-14 11:50:04 +000032#include <video/sa1100fb.h>
33
Russell Kinga09e64f2008-08-05 16:14:15 +010034#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070035#include <asm/mach-types.h>
Paul Gortmaker9e54d332011-07-31 18:38:45 -040036#include <asm/page.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070037#include <asm/setup.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010038#include <mach/collie.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40#include <asm/mach/arch.h>
41#include <asm/mach/flash.h>
42#include <asm/mach/map.h>
43#include <asm/mach/serial_sa1100.h>
44
45#include <asm/hardware/scoop.h>
46#include <asm/mach/sharpsl_param.h>
47#include <asm/hardware/locomo.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010048#include <mach/mcp.h>
Rob Herringf314f332012-02-24 00:06:51 +010049#include <mach/irqs.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070050
51#include "generic.h"
52
53static struct resource collie_scoop_resources[] = {
Russell Kinga1810992012-01-12 10:25:29 +000054 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
Linus Torvalds1da177e2005-04-16 15:20:36 -070055};
56
57static struct scoop_config collie_scoop_setup = {
58 .io_dir = COLLIE_SCOOP_IO_DIR,
59 .io_out = COLLIE_SCOOP_IO_OUT,
Thomas Kunzef151ccf2008-10-28 21:41:39 +030060 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
Linus Torvalds1da177e2005-04-16 15:20:36 -070061};
62
63struct platform_device colliescoop_device = {
64 .name = "sharp-scoop",
65 .id = -1,
66 .dev = {
67 .platform_data = &collie_scoop_setup,
68 },
69 .num_resources = ARRAY_SIZE(collie_scoop_resources),
70 .resource = collie_scoop_resources,
71};
72
Pavel Machek44575b22006-03-25 03:07:34 -080073static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
Kristoffer Ericson93982532008-11-26 20:58:43 +010074 {
75 .dev = &colliescoop_device.dev,
76 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
77 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
78 .cd_irq_str = "PCMCIA0 CD",
79 },
Pavel Machek44575b22006-03-25 03:07:34 -080080};
81
82static struct scoop_pcmcia_config collie_pcmcia_config = {
Kristoffer Ericson93982532008-11-26 20:58:43 +010083 .devs = &collie_pcmcia_scoop[0],
84 .num_devs = 1,
Pavel Machek44575b22006-03-25 03:07:34 -080085};
86
Russell Kingabe06082012-01-20 22:13:52 +000087static struct ucb1x00_plat_data collie_ucb1x00_data = {
88 .gpio_base = COLLIE_TC35143_GPIO_BASE,
89};
90
Pavel Machek44575b22006-03-25 03:07:34 -080091static struct mcp_plat_data collie_mcp_data = {
Kristoffer Ericson93982532008-11-26 20:58:43 +010092 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
93 .sclk_rate = 9216000,
Russell Kingabe06082012-01-20 22:13:52 +000094 .codec_pdata = &collie_ucb1x00_data,
Pavel Machek44575b22006-03-25 03:07:34 -080095};
96
Thomas Kunze9823b2d2009-02-10 13:48:32 +010097/*
98 * Collie AC IN
99 */
100static int collie_power_init(struct device *dev)
101{
102 int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
103 if (ret)
104 goto err_gpio_req;
105
106 ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
107 if (ret)
108 goto err_gpio_in;
109
110 return 0;
111
112err_gpio_in:
113 gpio_free(COLLIE_GPIO_AC_IN);
114err_gpio_req:
115 return ret;
116}
117
118static void collie_power_exit(struct device *dev)
119{
120 gpio_free(COLLIE_GPIO_AC_IN);
121}
122
123static int collie_power_ac_online(void)
124{
125 return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
126}
127
128static char *collie_ac_supplied_to[] = {
129 "main-battery",
130 "backup-battery",
131};
132
133static struct pda_power_pdata collie_power_data = {
134 .init = collie_power_init,
135 .is_ac_online = collie_power_ac_online,
136 .exit = collie_power_exit,
137 .supplied_to = collie_ac_supplied_to,
138 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
139};
140
141static struct resource collie_power_resource[] = {
142 {
143 .name = "ac",
Thomas Kunze9823b2d2009-02-10 13:48:32 +0100144 .flags = IORESOURCE_IRQ |
145 IORESOURCE_IRQ_HIGHEDGE |
146 IORESOURCE_IRQ_LOWEDGE,
147 },
148};
149
150static struct platform_device collie_power_device = {
151 .name = "pda-power",
152 .id = -1,
153 .dev.platform_data = &collie_power_data,
154 .resource = collie_power_resource,
155 .num_resources = ARRAY_SIZE(collie_power_resource),
Pavel Machek44575b22006-03-25 03:07:34 -0800156};
157
Pavel Machek50c37e22006-04-01 12:13:31 +0100158#ifdef CONFIG_SHARP_LOCOMO
159/*
160 * low-level UART features.
161 */
Richard Purdie8d484272006-09-25 20:11:48 +0100162struct platform_device collie_locomo_device;
Pavel Machek50c37e22006-04-01 12:13:31 +0100163
164static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
165{
Kristoffer Ericson93982532008-11-26 20:58:43 +0100166 if (mctrl & TIOCM_RTS)
Richard Purdie8d484272006-09-25 20:11:48 +0100167 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
Kristoffer Ericson93982532008-11-26 20:58:43 +0100168 else
Richard Purdie8d484272006-09-25 20:11:48 +0100169 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
Pavel Machek50c37e22006-04-01 12:13:31 +0100170
Kristoffer Ericson93982532008-11-26 20:58:43 +0100171 if (mctrl & TIOCM_DTR)
Richard Purdie8d484272006-09-25 20:11:48 +0100172 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
Kristoffer Ericson93982532008-11-26 20:58:43 +0100173 else
Richard Purdie8d484272006-09-25 20:11:48 +0100174 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
Pavel Machek50c37e22006-04-01 12:13:31 +0100175}
176
177static u_int collie_uart_get_mctrl(struct uart_port *port)
178{
179 int ret = TIOCM_CD;
180 unsigned int r;
Pavel Machek50c37e22006-04-01 12:13:31 +0100181
Richard Purdie8d484272006-09-25 20:11:48 +0100182 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
183 if (r == -ENODEV)
184 return ret;
Pavel Machek50c37e22006-04-01 12:13:31 +0100185 if (r & LOCOMO_GPIO_CTS)
186 ret |= TIOCM_CTS;
187 if (r & LOCOMO_GPIO_DSR)
188 ret |= TIOCM_DSR;
189
190 return ret;
191}
Pavel Machek44575b22006-03-25 03:07:34 -0800192
193static struct sa1100_port_fns collie_port_fns __initdata = {
194 .set_mctrl = collie_uart_set_mctrl,
195 .get_mctrl = collie_uart_get_mctrl,
196};
197
Pavel Machek50c37e22006-04-01 12:13:31 +0100198static int collie_uart_probe(struct locomo_dev *dev)
199{
Pavel Machek50c37e22006-04-01 12:13:31 +0100200 return 0;
201}
202
203static int collie_uart_remove(struct locomo_dev *dev)
204{
Pavel Machek50c37e22006-04-01 12:13:31 +0100205 return 0;
206}
207
208static struct locomo_driver collie_uart_driver = {
209 .drv = {
210 .name = "collie_uart",
211 },
212 .devid = LOCOMO_DEVID_UART,
213 .probe = collie_uart_probe,
214 .remove = collie_uart_remove,
215};
216
Russell Kinge63cedb2009-03-25 10:15:00 +0000217static int __init collie_uart_init(void)
218{
Pavel Machek50c37e22006-04-01 12:13:31 +0100219 return locomo_driver_register(&collie_uart_driver);
220}
221device_initcall(collie_uart_init);
222
223#endif
224
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225
226static struct resource locomo_resources[] = {
Russell Kinga1810992012-01-12 10:25:29 +0000227 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
228 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700229};
230
Eric Miaoac609d22010-02-04 18:07:33 -0800231static struct locomo_platform_data locomo_info = {
232 .irq_base = IRQ_BOARD_START,
233};
234
Richard Purdie8d484272006-09-25 20:11:48 +0100235struct platform_device collie_locomo_device = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 .name = "locomo",
237 .id = 0,
Dmitry Eremin-Solenikov34cd2d32011-02-11 16:26:10 +0100238 .dev = {
239 .platform_data = &locomo_info,
240 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241 .num_resources = ARRAY_SIZE(locomo_resources),
242 .resource = locomo_resources,
243};
244
245static struct platform_device *devices[] __initdata = {
Richard Purdie8d484272006-09-25 20:11:48 +0100246 &collie_locomo_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247 &colliescoop_device,
Thomas Kunze9823b2d2009-02-10 13:48:32 +0100248 &collie_power_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700249};
250
251static struct mtd_partition collie_partitions[] = {
252 {
253 .name = "bootloader",
254 .offset = 0,
255 .size = 0x000C0000,
256 .mask_flags = MTD_WRITEABLE
257 }, {
258 .name = "kernel",
259 .offset = MTDPART_OFS_APPEND,
260 .size = 0x00100000,
261 }, {
262 .name = "rootfs",
263 .offset = MTDPART_OFS_APPEND,
264 .size = 0x00e20000,
265 }
266};
267
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100268static int collie_flash_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700269{
Russell Kinge63cedb2009-03-25 10:15:00 +0000270 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100271 if (rc)
272 return rc;
273
274 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
275 if (rc)
276 gpio_free(COLLIE_GPIO_VPEN);
277
278 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279}
280
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100281static void collie_set_vpp(int vpp)
282{
283 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
284}
285
286static void collie_flash_exit(void)
287{
288 gpio_free(COLLIE_GPIO_VPEN);
289}
Russell Kinge63cedb2009-03-25 10:15:00 +0000290
Linus Torvalds1da177e2005-04-16 15:20:36 -0700291static struct flash_platform_data collie_flash_data = {
292 .map_name = "cfi_probe",
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100293 .init = collie_flash_init,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700294 .set_vpp = collie_set_vpp,
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100295 .exit = collie_flash_exit,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700296 .parts = collie_partitions,
297 .nr_parts = ARRAY_SIZE(collie_partitions),
298};
299
300static struct resource collie_flash_resources[] = {
Russell Kinga1810992012-01-12 10:25:29 +0000301 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302};
303
Russell Kinge1b7a722012-01-14 11:50:04 +0000304static struct sa1100fb_mach_info collie_lcd_info = {
305 .pixclock = 171521, .bpp = 16,
306 .xres = 320, .yres = 240,
307
308 .hsync_len = 5, .vsync_len = 1,
309 .left_margin = 11, .upper_margin = 2,
310 .right_margin = 30, .lower_margin = 0,
311
312 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
313
314 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
315 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
Paul Gortmakerbeca98c92012-04-02 18:17:17 -0400316
317#ifdef CONFIG_BACKLIGHT_LOCOMO
318 .lcd_power = locomolcd_power
319#endif
Russell Kinge1b7a722012-01-14 11:50:04 +0000320};
321
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322static void __init collie_init(void)
323{
324 int ret = 0;
325
326 /* cpu initialize */
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100327 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
328 GPIO_MCP_CLK | GPIO_32_768kHz;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700329
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100330 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
331 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
332 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200333 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
334 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100336 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
337 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
338 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200340 PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
341 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700342
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200343 PGSR = _COLLIE_GPIO_nREMOCON_ON;
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100344
345 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
346
347 PCFR = PCFR_OPDE;
348
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200349 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
350
Russell King5f765592012-01-18 23:46:28 +0000351 collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN);
352 collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN);
Russell King7256ecc2012-03-25 23:56:30 +0100353
Russell Kinge36e26a2012-01-20 22:24:07 +0000354 sa11x0_ppc_configure_mcp();
355
Linus Torvalds1da177e2005-04-16 15:20:36 -0700356
Pavel Machek44575b22006-03-25 03:07:34 -0800357 platform_scoop_config = &collie_pcmcia_config;
358
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
360 if (ret) {
361 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
362 }
363
Russell Kinge1b7a722012-01-14 11:50:04 +0000364 sa11x0_register_lcd(&collie_lcd_info);
Russell King7a5b4e12009-10-06 14:55:53 +0100365 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
366 ARRAY_SIZE(collie_flash_resources));
367 sa11x0_register_mcp(&collie_mcp_data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700368
369 sharpsl_save_param();
370}
371
372static struct map_desc collie_io_desc[] __initdata = {
Deepak Saxena92519d82005-10-28 15:19:04 +0100373 { /* 32M main flash (cs0) */
374 .virtual = 0xe8000000,
375 .pfn = __phys_to_pfn(0x00000000),
376 .length = 0x02000000,
377 .type = MT_DEVICE
378 }, { /* 32M boot flash (cs1) */
379 .virtual = 0xea000000,
380 .pfn = __phys_to_pfn(0x08000000),
381 .length = 0x02000000,
382 .type = MT_DEVICE
383 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700384};
385
386static void __init collie_map_io(void)
387{
388 sa1100_map_io();
389 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
Pavel Machek50c37e22006-04-01 12:13:31 +0100390
391#ifdef CONFIG_SHARP_LOCOMO
392 sa1100_register_uart_fns(&collie_port_fns);
393#endif
394 sa1100_register_uart(0, 3);
395 sa1100_register_uart(1, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700396}
397
398MACHINE_START(COLLIE, "Sharp-Collie")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100399 .map_io = collie_map_io,
Rob Herringf314f332012-02-24 00:06:51 +0100400 .nr_irqs = SA1100_NR_IRQS,
Russell Kinge9dea0c2005-07-03 17:38:58 +0100401 .init_irq = sa1100_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700402 .timer = &sa1100_timer,
403 .init_machine = collie_init,
Shawn Guo7fea1ba2012-04-26 21:22:45 +0800404 .init_late = sa11x0_init_late,
Russell Kingd9ca5832011-11-05 10:28:50 +0000405 .restart = sa11x0_restart,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700406MACHINE_END