Commit | Line | Data |
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1da177e4 LT |
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: | |
a2531293 | 14 | * 2006 Pavel Machek <pavel@ucw.cz> |
50c37e21 | 15 | * 03-06-2004 John Lenz <lenz@cs.wisc.edu> |
1da177e4 LT |
16 | * 06-04-2002 Chris Larson <kergoth@digitalnemesis.net> |
17 | * 04-16-2001 Lineo Japan,Inc. ... | |
18 | */ | |
19 | ||
1da177e4 LT |
20 | #include <linux/init.h> |
21 | #include <linux/kernel.h> | |
22 | #include <linux/tty.h> | |
23 | #include <linux/delay.h> | |
6920b5a7 | 24 | #include <linux/platform_data/sa11x0-serial.h> |
d052d1be | 25 | #include <linux/platform_device.h> |
abe06082 | 26 | #include <linux/mfd/ucb1x00.h> |
1da177e4 LT |
27 | #include <linux/mtd/mtd.h> |
28 | #include <linux/mtd/partitions.h> | |
29 | #include <linux/timer.h> | |
162e68c0 DES |
30 | #include <linux/gpio_keys.h> |
31 | #include <linux/input.h> | |
224be092 | 32 | #include <linux/gpio.h> |
17529bcf | 33 | #include <linux/gpio/machine.h> |
119acbd2 | 34 | #include <linux/power/gpio-charger.h> |
1da177e4 | 35 | |
e1b7a72a RK |
36 | #include <video/sa1100fb.h> |
37 | ||
a09e64fb | 38 | #include <mach/hardware.h> |
1da177e4 | 39 | #include <asm/mach-types.h> |
9e54d33f | 40 | #include <asm/page.h> |
1da177e4 | 41 | #include <asm/setup.h> |
a09e64fb | 42 | #include <mach/collie.h> |
1da177e4 LT |
43 | |
44 | #include <asm/mach/arch.h> | |
45 | #include <asm/mach/flash.h> | |
46 | #include <asm/mach/map.h> | |
1da177e4 LT |
47 | |
48 | #include <asm/hardware/scoop.h> | |
49 | #include <asm/mach/sharpsl_param.h> | |
50 | #include <asm/hardware/locomo.h> | |
a1fd844c | 51 | #include <linux/platform_data/mfd-mcp-sa11x0.h> |
f314f33b | 52 | #include <mach/irqs.h> |
1da177e4 LT |
53 | |
54 | #include "generic.h" | |
55 | ||
56 | static struct resource collie_scoop_resources[] = { | |
a181099e | 57 | [0] = DEFINE_RES_MEM(0x40800000, SZ_4K), |
1da177e4 LT |
58 | }; |
59 | ||
60 | static struct scoop_config collie_scoop_setup = { | |
61 | .io_dir = COLLIE_SCOOP_IO_DIR, | |
62 | .io_out = COLLIE_SCOOP_IO_OUT, | |
f151ccf7 | 63 | .gpio_base = COLLIE_SCOOP_GPIO_BASE, |
1da177e4 LT |
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 | ||
44575b2f | 76 | static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = { |
93982535 KE |
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 | }, | |
44575b2f PM |
83 | }; |
84 | ||
85 | static struct scoop_pcmcia_config collie_pcmcia_config = { | |
93982535 KE |
86 | .devs = &collie_pcmcia_scoop[0], |
87 | .num_devs = 1, | |
44575b2f PM |
88 | }; |
89 | ||
abe06082 RK |
90 | static struct ucb1x00_plat_data collie_ucb1x00_data = { |
91 | .gpio_base = COLLIE_TC35143_GPIO_BASE, | |
92 | }; | |
93 | ||
44575b2f | 94 | static struct mcp_plat_data collie_mcp_data = { |
93982535 KE |
95 | .mccr0 = MCCR0_ADM | MCCR0_ExtClk, |
96 | .sclk_rate = 9216000, | |
abe06082 | 97 | .codec_pdata = &collie_ucb1x00_data, |
44575b2f PM |
98 | }; |
99 | ||
ba940ed8 LW |
100 | /* Battery management GPIOs */ |
101 | static struct gpiod_lookup_table collie_battery_gpiod_table = { | |
102 | /* the MCP codec mcp0 has the ucb1x00 as attached device */ | |
103 | .dev_id = "ucb1x00", | |
104 | .table = { | |
105 | /* This is found on the main GPIO on the SA1100 */ | |
106 | GPIO_LOOKUP("gpio", COLLIE_GPIO_CO, | |
107 | "main battery full", GPIO_ACTIVE_HIGH), | |
108 | GPIO_LOOKUP("gpio", COLLIE_GPIO_MAIN_BAT_LOW, | |
109 | "main battery low", GPIO_ACTIVE_HIGH), | |
110 | /* | |
111 | * This is GPIO 0 on the Scoop expander, which is registered | |
112 | * from common/scoop.c with this gpio chip label. | |
113 | */ | |
114 | GPIO_LOOKUP("sharp-scoop", 0, | |
115 | "main charge on", GPIO_ACTIVE_HIGH), | |
116 | { }, | |
117 | }, | |
118 | }; | |
119 | ||
9823b2d0 TK |
120 | /* |
121 | * Collie AC IN | |
122 | */ | |
17529bcf LW |
123 | static struct gpiod_lookup_table collie_power_gpiod_table = { |
124 | .dev_id = "gpio-charger", | |
125 | .table = { | |
126 | GPIO_LOOKUP("gpio", COLLIE_GPIO_AC_IN, | |
127 | NULL, GPIO_ACTIVE_HIGH), | |
128 | { }, | |
129 | }, | |
130 | }; | |
131 | ||
9823b2d0 TK |
132 | static char *collie_ac_supplied_to[] = { |
133 | "main-battery", | |
134 | "backup-battery", | |
135 | }; | |
136 | ||
119acbd2 DES |
137 | static struct gpio_charger_platform_data collie_power_data = { |
138 | .name = "charger", | |
139 | .type = POWER_SUPPLY_TYPE_MAINS, | |
9823b2d0 TK |
140 | .supplied_to = collie_ac_supplied_to, |
141 | .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to), | |
142 | }; | |
143 | ||
9823b2d0 | 144 | static struct platform_device collie_power_device = { |
119acbd2 | 145 | .name = "gpio-charger", |
9823b2d0 TK |
146 | .id = -1, |
147 | .dev.platform_data = &collie_power_data, | |
44575b2f PM |
148 | }; |
149 | ||
50c37e21 PM |
150 | #ifdef CONFIG_SHARP_LOCOMO |
151 | /* | |
152 | * low-level UART features. | |
153 | */ | |
8d48427e | 154 | struct platform_device collie_locomo_device; |
50c37e21 PM |
155 | |
156 | static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl) | |
157 | { | |
93982535 | 158 | if (mctrl & TIOCM_RTS) |
8d48427e | 159 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0); |
93982535 | 160 | else |
8d48427e | 161 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1); |
50c37e21 | 162 | |
93982535 | 163 | if (mctrl & TIOCM_DTR) |
8d48427e | 164 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0); |
93982535 | 165 | else |
8d48427e | 166 | locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1); |
50c37e21 PM |
167 | } |
168 | ||
169 | static u_int collie_uart_get_mctrl(struct uart_port *port) | |
170 | { | |
171 | int ret = TIOCM_CD; | |
172 | unsigned int r; | |
50c37e21 | 173 | |
8d48427e RP |
174 | r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR); |
175 | if (r == -ENODEV) | |
176 | return ret; | |
50c37e21 PM |
177 | if (r & LOCOMO_GPIO_CTS) |
178 | ret |= TIOCM_CTS; | |
179 | if (r & LOCOMO_GPIO_DSR) | |
180 | ret |= TIOCM_DSR; | |
181 | ||
182 | return ret; | |
183 | } | |
44575b2f PM |
184 | |
185 | static struct sa1100_port_fns collie_port_fns __initdata = { | |
186 | .set_mctrl = collie_uart_set_mctrl, | |
187 | .get_mctrl = collie_uart_get_mctrl, | |
188 | }; | |
189 | ||
50c37e21 PM |
190 | static int collie_uart_probe(struct locomo_dev *dev) |
191 | { | |
50c37e21 PM |
192 | return 0; |
193 | } | |
194 | ||
50c37e21 PM |
195 | static struct locomo_driver collie_uart_driver = { |
196 | .drv = { | |
197 | .name = "collie_uart", | |
198 | }, | |
199 | .devid = LOCOMO_DEVID_UART, | |
200 | .probe = collie_uart_probe, | |
50c37e21 PM |
201 | }; |
202 | ||
e63cedb6 RK |
203 | static int __init collie_uart_init(void) |
204 | { | |
50c37e21 PM |
205 | return locomo_driver_register(&collie_uart_driver); |
206 | } | |
207 | device_initcall(collie_uart_init); | |
208 | ||
209 | #endif | |
210 | ||
1da177e4 LT |
211 | |
212 | static struct resource locomo_resources[] = { | |
a181099e RK |
213 | [0] = DEFINE_RES_MEM(0x40000000, SZ_8K), |
214 | [1] = DEFINE_RES_IRQ(IRQ_GPIO25), | |
1da177e4 LT |
215 | }; |
216 | ||
ac609d26 EM |
217 | static struct locomo_platform_data locomo_info = { |
218 | .irq_base = IRQ_BOARD_START, | |
219 | }; | |
220 | ||
8d48427e | 221 | struct platform_device collie_locomo_device = { |
1da177e4 LT |
222 | .name = "locomo", |
223 | .id = 0, | |
34cd2d38 DES |
224 | .dev = { |
225 | .platform_data = &locomo_info, | |
226 | }, | |
1da177e4 LT |
227 | .num_resources = ARRAY_SIZE(locomo_resources), |
228 | .resource = locomo_resources, | |
229 | }; | |
230 | ||
162e68c0 DES |
231 | static struct gpio_keys_button collie_gpio_keys[] = { |
232 | { | |
233 | .type = EV_PWR, | |
234 | .code = KEY_RESERVED, | |
235 | .gpio = COLLIE_GPIO_ON_KEY, | |
236 | .desc = "On key", | |
237 | .wakeup = 1, | |
238 | .active_low = 1, | |
239 | }, | |
240 | { | |
241 | .type = EV_PWR, | |
242 | .code = KEY_WAKEUP, | |
243 | .gpio = COLLIE_GPIO_WAKEUP, | |
244 | .desc = "Sync", | |
245 | .wakeup = 1, | |
246 | .active_low = 1, | |
247 | }, | |
248 | }; | |
249 | ||
250 | static struct gpio_keys_platform_data collie_gpio_keys_data = { | |
251 | .buttons = collie_gpio_keys, | |
252 | .nbuttons = ARRAY_SIZE(collie_gpio_keys), | |
253 | }; | |
254 | ||
255 | static struct platform_device collie_gpio_keys_device = { | |
256 | .name = "gpio-keys", | |
257 | .id = -1, | |
258 | .dev = { | |
259 | .platform_data = &collie_gpio_keys_data, | |
260 | }, | |
261 | }; | |
262 | ||
1da177e4 | 263 | static struct platform_device *devices[] __initdata = { |
8d48427e | 264 | &collie_locomo_device, |
1da177e4 | 265 | &colliescoop_device, |
9823b2d0 | 266 | &collie_power_device, |
162e68c0 | 267 | &collie_gpio_keys_device, |
1da177e4 LT |
268 | }; |
269 | ||
270 | static struct mtd_partition collie_partitions[] = { | |
271 | { | |
272 | .name = "bootloader", | |
273 | .offset = 0, | |
274 | .size = 0x000C0000, | |
275 | .mask_flags = MTD_WRITEABLE | |
276 | }, { | |
277 | .name = "kernel", | |
278 | .offset = MTDPART_OFS_APPEND, | |
279 | .size = 0x00100000, | |
280 | }, { | |
281 | .name = "rootfs", | |
282 | .offset = MTDPART_OFS_APPEND, | |
283 | .size = 0x00e20000, | |
3abe7423 AA |
284 | }, { |
285 | .name = "bootblock", | |
286 | .offset = MTDPART_OFS_APPEND, | |
287 | .size = 0x00020000, | |
288 | .mask_flags = MTD_WRITEABLE | |
1da177e4 LT |
289 | } |
290 | }; | |
291 | ||
224be092 DB |
292 | static int collie_flash_init(void) |
293 | { | |
e63cedb6 | 294 | int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable"); |
224be092 DB |
295 | if (rc) |
296 | return rc; | |
297 | ||
298 | rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1); | |
299 | if (rc) | |
300 | gpio_free(COLLIE_GPIO_VPEN); | |
301 | ||
302 | return rc; | |
303 | } | |
304 | ||
1da177e4 LT |
305 | static void collie_set_vpp(int vpp) |
306 | { | |
224be092 | 307 | gpio_set_value(COLLIE_GPIO_VPEN, vpp); |
1da177e4 LT |
308 | } |
309 | ||
224be092 DB |
310 | static void collie_flash_exit(void) |
311 | { | |
312 | gpio_free(COLLIE_GPIO_VPEN); | |
313 | } | |
e63cedb6 | 314 | |
1da177e4 | 315 | static struct flash_platform_data collie_flash_data = { |
92183103 | 316 | .map_name = "cfi_probe", |
224be092 | 317 | .init = collie_flash_init, |
1da177e4 | 318 | .set_vpp = collie_set_vpp, |
224be092 | 319 | .exit = collie_flash_exit, |
1da177e4 LT |
320 | .parts = collie_partitions, |
321 | .nr_parts = ARRAY_SIZE(collie_partitions), | |
322 | }; | |
323 | ||
324 | static struct resource collie_flash_resources[] = { | |
a181099e | 325 | DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), |
1da177e4 LT |
326 | }; |
327 | ||
e1b7a72a RK |
328 | static struct sa1100fb_mach_info collie_lcd_info = { |
329 | .pixclock = 171521, .bpp = 16, | |
330 | .xres = 320, .yres = 240, | |
331 | ||
332 | .hsync_len = 5, .vsync_len = 1, | |
333 | .left_margin = 11, .upper_margin = 2, | |
334 | .right_margin = 30, .lower_margin = 0, | |
335 | ||
336 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
337 | ||
338 | .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, | |
339 | .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), | |
beca98c9 PG |
340 | |
341 | #ifdef CONFIG_BACKLIGHT_LOCOMO | |
342 | .lcd_power = locomolcd_power | |
343 | #endif | |
e1b7a72a RK |
344 | }; |
345 | ||
1da177e4 LT |
346 | static void __init collie_init(void) |
347 | { | |
348 | int ret = 0; | |
349 | ||
350 | /* cpu initialize */ | |
864d0ec9 TK |
351 | GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | |
352 | GPIO_MCP_CLK | GPIO_32_768kHz; | |
353 | ||
354 | GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | | |
355 | GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | | |
356 | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | | |
1d0ad843 TK |
357 | _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON | |
358 | _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz; | |
864d0ec9 TK |
359 | |
360 | PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | | |
361 | PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | | |
362 | PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM; | |
363 | ||
1ff990c0 | 364 | PWER = 0; |
864d0ec9 | 365 | |
1d0ad843 | 366 | PGSR = _COLLIE_GPIO_nREMOCON_ON; |
864d0ec9 TK |
367 | |
368 | PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4; | |
369 | ||
370 | PCFR = PCFR_OPDE; | |
371 | ||
1d0ad843 TK |
372 | GPSR |= _COLLIE_GPIO_UCB1x00_RESET; |
373 | ||
e36e26a8 RK |
374 | sa11x0_ppc_configure_mcp(); |
375 | ||
1da177e4 | 376 | |
44575b2f PM |
377 | platform_scoop_config = &collie_pcmcia_config; |
378 | ||
17529bcf | 379 | gpiod_add_lookup_table(&collie_power_gpiod_table); |
ba940ed8 | 380 | gpiod_add_lookup_table(&collie_battery_gpiod_table); |
17529bcf | 381 | |
1da177e4 LT |
382 | ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
383 | if (ret) { | |
384 | printk(KERN_WARNING "collie: Unable to register LoCoMo device\n"); | |
385 | } | |
386 | ||
e1b7a72a | 387 | sa11x0_register_lcd(&collie_lcd_info); |
7a5b4e16 RK |
388 | sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, |
389 | ARRAY_SIZE(collie_flash_resources)); | |
390 | sa11x0_register_mcp(&collie_mcp_data); | |
1da177e4 LT |
391 | |
392 | sharpsl_save_param(); | |
393 | } | |
394 | ||
395 | static struct map_desc collie_io_desc[] __initdata = { | |
92519d82 DS |
396 | { /* 32M main flash (cs0) */ |
397 | .virtual = 0xe8000000, | |
398 | .pfn = __phys_to_pfn(0x00000000), | |
399 | .length = 0x02000000, | |
400 | .type = MT_DEVICE | |
401 | }, { /* 32M boot flash (cs1) */ | |
402 | .virtual = 0xea000000, | |
403 | .pfn = __phys_to_pfn(0x08000000), | |
404 | .length = 0x02000000, | |
405 | .type = MT_DEVICE | |
406 | } | |
1da177e4 LT |
407 | }; |
408 | ||
409 | static void __init collie_map_io(void) | |
410 | { | |
411 | sa1100_map_io(); | |
412 | iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc)); | |
50c37e21 PM |
413 | |
414 | #ifdef CONFIG_SHARP_LOCOMO | |
415 | sa1100_register_uart_fns(&collie_port_fns); | |
416 | #endif | |
417 | sa1100_register_uart(0, 3); | |
418 | sa1100_register_uart(1, 1); | |
1da177e4 LT |
419 | } |
420 | ||
421 | MACHINE_START(COLLIE, "Sharp-Collie") | |
e9dea0c6 | 422 | .map_io = collie_map_io, |
f314f33b | 423 | .nr_irqs = SA1100_NR_IRQS, |
e9dea0c6 | 424 | .init_irq = sa1100_init_irq, |
6bb27d73 | 425 | .init_time = sa1100_timer_init, |
1da177e4 | 426 | .init_machine = collie_init, |
7fea1ba5 | 427 | .init_late = sa11x0_init_late, |
d9ca5839 | 428 | .restart = sa11x0_restart, |
1da177e4 | 429 | MACHINE_END |