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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>
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#include <linux/mtd/mtd.h>
26#include <linux/mtd/partitions.h>
27#include <linux/timer.h>
Dmitry Baryshkov224be092009-03-25 10:14:25 +010028#include <linux/gpio.h>
Thomas Kunze9823b2d2009-02-10 13:48:32 +010029#include <linux/pda_power.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
Russell Kinga09e64f2008-08-05 16:14:15 +010031#include <mach/hardware.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070032#include <asm/mach-types.h>
33#include <asm/irq.h>
34#include <asm/setup.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010035#include <mach/collie.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070036
37#include <asm/mach/arch.h>
38#include <asm/mach/flash.h>
39#include <asm/mach/map.h>
40#include <asm/mach/serial_sa1100.h>
41
42#include <asm/hardware/scoop.h>
43#include <asm/mach/sharpsl_param.h>
44#include <asm/hardware/locomo.h>
Russell Kinga09e64f2008-08-05 16:14:15 +010045#include <mach/mcp.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
47#include "generic.h"
48
49static struct resource collie_scoop_resources[] = {
50 [0] = {
51 .start = 0x40800000,
52 .end = 0x40800fff,
53 .flags = IORESOURCE_MEM,
54 },
55};
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
Pavel Machek44575b22006-03-25 03:07:34 -080087static struct mcp_plat_data collie_mcp_data = {
Kristoffer Ericson93982532008-11-26 20:58:43 +010088 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
89 .sclk_rate = 9216000,
Thomas Kunzef7177c82009-02-10 14:12:02 +010090 .gpio_base = COLLIE_TC35143_GPIO_BASE,
Pavel Machek44575b22006-03-25 03:07:34 -080091};
92
Thomas Kunze9823b2d2009-02-10 13:48:32 +010093/*
94 * Collie AC IN
95 */
96static int collie_power_init(struct device *dev)
97{
98 int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
99 if (ret)
100 goto err_gpio_req;
101
102 ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
103 if (ret)
104 goto err_gpio_in;
105
106 return 0;
107
108err_gpio_in:
109 gpio_free(COLLIE_GPIO_AC_IN);
110err_gpio_req:
111 return ret;
112}
113
114static void collie_power_exit(struct device *dev)
115{
116 gpio_free(COLLIE_GPIO_AC_IN);
117}
118
119static int collie_power_ac_online(void)
120{
121 return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
122}
123
124static char *collie_ac_supplied_to[] = {
125 "main-battery",
126 "backup-battery",
127};
128
129static struct pda_power_pdata collie_power_data = {
130 .init = collie_power_init,
131 .is_ac_online = collie_power_ac_online,
132 .exit = collie_power_exit,
133 .supplied_to = collie_ac_supplied_to,
134 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
135};
136
137static struct resource collie_power_resource[] = {
138 {
139 .name = "ac",
140 .start = gpio_to_irq(COLLIE_GPIO_AC_IN),
141 .end = gpio_to_irq(COLLIE_GPIO_AC_IN),
142 .flags = IORESOURCE_IRQ |
143 IORESOURCE_IRQ_HIGHEDGE |
144 IORESOURCE_IRQ_LOWEDGE,
145 },
146};
147
148static struct platform_device collie_power_device = {
149 .name = "pda-power",
150 .id = -1,
151 .dev.platform_data = &collie_power_data,
152 .resource = collie_power_resource,
153 .num_resources = ARRAY_SIZE(collie_power_resource),
Pavel Machek44575b22006-03-25 03:07:34 -0800154};
155
Pavel Machek50c37e22006-04-01 12:13:31 +0100156#ifdef CONFIG_SHARP_LOCOMO
157/*
158 * low-level UART features.
159 */
Richard Purdie8d484272006-09-25 20:11:48 +0100160struct platform_device collie_locomo_device;
Pavel Machek50c37e22006-04-01 12:13:31 +0100161
162static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
163{
Kristoffer Ericson93982532008-11-26 20:58:43 +0100164 if (mctrl & TIOCM_RTS)
Richard Purdie8d484272006-09-25 20:11:48 +0100165 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
Kristoffer Ericson93982532008-11-26 20:58:43 +0100166 else
Richard Purdie8d484272006-09-25 20:11:48 +0100167 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
Pavel Machek50c37e22006-04-01 12:13:31 +0100168
Kristoffer Ericson93982532008-11-26 20:58:43 +0100169 if (mctrl & TIOCM_DTR)
Richard Purdie8d484272006-09-25 20:11:48 +0100170 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
Kristoffer Ericson93982532008-11-26 20:58:43 +0100171 else
Richard Purdie8d484272006-09-25 20:11:48 +0100172 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
Pavel Machek50c37e22006-04-01 12:13:31 +0100173}
174
175static u_int collie_uart_get_mctrl(struct uart_port *port)
176{
177 int ret = TIOCM_CD;
178 unsigned int r;
Pavel Machek50c37e22006-04-01 12:13:31 +0100179
Richard Purdie8d484272006-09-25 20:11:48 +0100180 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
181 if (r == -ENODEV)
182 return ret;
Pavel Machek50c37e22006-04-01 12:13:31 +0100183 if (r & LOCOMO_GPIO_CTS)
184 ret |= TIOCM_CTS;
185 if (r & LOCOMO_GPIO_DSR)
186 ret |= TIOCM_DSR;
187
188 return ret;
189}
Pavel Machek44575b22006-03-25 03:07:34 -0800190
191static struct sa1100_port_fns collie_port_fns __initdata = {
192 .set_mctrl = collie_uart_set_mctrl,
193 .get_mctrl = collie_uart_get_mctrl,
194};
195
Pavel Machek50c37e22006-04-01 12:13:31 +0100196static int collie_uart_probe(struct locomo_dev *dev)
197{
Pavel Machek50c37e22006-04-01 12:13:31 +0100198 return 0;
199}
200
201static int collie_uart_remove(struct locomo_dev *dev)
202{
Pavel Machek50c37e22006-04-01 12:13:31 +0100203 return 0;
204}
205
206static struct locomo_driver collie_uart_driver = {
207 .drv = {
208 .name = "collie_uart",
209 },
210 .devid = LOCOMO_DEVID_UART,
211 .probe = collie_uart_probe,
212 .remove = collie_uart_remove,
213};
214
Russell Kinge63cedb2009-03-25 10:15:00 +0000215static int __init collie_uart_init(void)
216{
Pavel Machek50c37e22006-04-01 12:13:31 +0100217 return locomo_driver_register(&collie_uart_driver);
218}
219device_initcall(collie_uart_init);
220
221#endif
222
Linus Torvalds1da177e2005-04-16 15:20:36 -0700223
224static struct resource locomo_resources[] = {
225 [0] = {
226 .start = 0x40000000,
227 .end = 0x40001fff,
228 .flags = IORESOURCE_MEM,
229 },
230 [1] = {
231 .start = IRQ_GPIO25,
232 .end = IRQ_GPIO25,
233 .flags = IORESOURCE_IRQ,
234 },
235};
236
Eric Miaoac609d22010-02-04 18:07:33 -0800237static struct locomo_platform_data locomo_info = {
238 .irq_base = IRQ_BOARD_START,
239};
240
Richard Purdie8d484272006-09-25 20:11:48 +0100241struct platform_device collie_locomo_device = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242 .name = "locomo",
243 .id = 0,
Dmitry Eremin-Solenikov34cd2d32011-02-11 16:26:10 +0100244 .dev = {
245 .platform_data = &locomo_info,
246 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700247 .num_resources = ARRAY_SIZE(locomo_resources),
248 .resource = locomo_resources,
249};
250
251static struct platform_device *devices[] __initdata = {
Richard Purdie8d484272006-09-25 20:11:48 +0100252 &collie_locomo_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253 &colliescoop_device,
Thomas Kunze9823b2d2009-02-10 13:48:32 +0100254 &collie_power_device,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255};
256
257static struct mtd_partition collie_partitions[] = {
258 {
259 .name = "bootloader",
260 .offset = 0,
261 .size = 0x000C0000,
262 .mask_flags = MTD_WRITEABLE
263 }, {
264 .name = "kernel",
265 .offset = MTDPART_OFS_APPEND,
266 .size = 0x00100000,
267 }, {
268 .name = "rootfs",
269 .offset = MTDPART_OFS_APPEND,
270 .size = 0x00e20000,
271 }
272};
273
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100274static int collie_flash_init(void)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275{
Russell Kinge63cedb2009-03-25 10:15:00 +0000276 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100277 if (rc)
278 return rc;
279
280 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
281 if (rc)
282 gpio_free(COLLIE_GPIO_VPEN);
283
284 return rc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700285}
286
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100287static void collie_set_vpp(int vpp)
288{
289 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
290}
291
292static void collie_flash_exit(void)
293{
294 gpio_free(COLLIE_GPIO_VPEN);
295}
Russell Kinge63cedb2009-03-25 10:15:00 +0000296
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297static struct flash_platform_data collie_flash_data = {
298 .map_name = "cfi_probe",
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100299 .init = collie_flash_init,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300 .set_vpp = collie_set_vpp,
Dmitry Baryshkov224be092009-03-25 10:14:25 +0100301 .exit = collie_flash_exit,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700302 .parts = collie_partitions,
303 .nr_parts = ARRAY_SIZE(collie_partitions),
304};
305
306static struct resource collie_flash_resources[] = {
307 {
308 .start = SA1100_CS0_PHYS,
309 .end = SA1100_CS0_PHYS + SZ_32M - 1,
310 .flags = IORESOURCE_MEM,
311 }
312};
313
314static void __init collie_init(void)
315{
316 int ret = 0;
317
318 /* cpu initialize */
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100319 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
320 GPIO_MCP_CLK | GPIO_32_768kHz;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700321
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100322 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
323 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
324 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200325 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
326 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100328 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
329 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
330 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700331
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200332 PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
333 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200335 PGSR = _COLLIE_GPIO_nREMOCON_ON;
Thomas Kunze864d0ec2008-05-19 22:06:51 +0100336
337 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
338
339 PCFR = PCFR_OPDE;
340
Thomas Kunze1d0ad842009-10-05 22:05:38 +0200341 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
342
Linus Torvalds1da177e2005-04-16 15:20:36 -0700343
Pavel Machek44575b22006-03-25 03:07:34 -0800344 platform_scoop_config = &collie_pcmcia_config;
345
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
347 if (ret) {
348 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
349 }
350
Russell King7a5b4e12009-10-06 14:55:53 +0100351 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
352 ARRAY_SIZE(collie_flash_resources));
353 sa11x0_register_mcp(&collie_mcp_data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354
355 sharpsl_save_param();
356}
357
358static struct map_desc collie_io_desc[] __initdata = {
Deepak Saxena92519d82005-10-28 15:19:04 +0100359 { /* 32M main flash (cs0) */
360 .virtual = 0xe8000000,
361 .pfn = __phys_to_pfn(0x00000000),
362 .length = 0x02000000,
363 .type = MT_DEVICE
364 }, { /* 32M boot flash (cs1) */
365 .virtual = 0xea000000,
366 .pfn = __phys_to_pfn(0x08000000),
367 .length = 0x02000000,
368 .type = MT_DEVICE
369 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700370};
371
372static void __init collie_map_io(void)
373{
374 sa1100_map_io();
375 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
Pavel Machek50c37e22006-04-01 12:13:31 +0100376
377#ifdef CONFIG_SHARP_LOCOMO
378 sa1100_register_uart_fns(&collie_port_fns);
379#endif
380 sa1100_register_uart(0, 3);
381 sa1100_register_uart(1, 1);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700382}
383
384MACHINE_START(COLLIE, "Sharp-Collie")
Russell Kinge9dea0c2005-07-03 17:38:58 +0100385 .map_io = collie_map_io,
386 .init_irq = sa1100_init_irq,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 .timer = &sa1100_timer,
388 .init_machine = collie_init,
389MACHINE_END