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.
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/gpio/machine.h>
34 #include <linux/power/gpio-charger.h>
36 #include <video/sa1100fb.h>
38 #include <mach/hardware.h>
39 #include <asm/mach-types.h>
41 #include <asm/setup.h>
42 #include <mach/collie.h>
44 #include <asm/mach/arch.h>
45 #include <asm/mach/flash.h>
46 #include <asm/mach/map.h>
47 #include <linux/platform_data/irda-sa11x0.h>
49 #include <asm/hardware/scoop.h>
50 #include <asm/mach/sharpsl_param.h>
51 #include <asm/hardware/locomo.h>
52 #include <linux/platform_data/mfd-mcp-sa11x0.h>
53 #include <mach/irqs.h>
57 static struct resource collie_scoop_resources[] = {
58 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
61 static struct scoop_config collie_scoop_setup = {
62 .io_dir = COLLIE_SCOOP_IO_DIR,
63 .io_out = COLLIE_SCOOP_IO_OUT,
64 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
67 struct platform_device colliescoop_device = {
68 .name = "sharp-scoop",
71 .platform_data = &collie_scoop_setup,
73 .num_resources = ARRAY_SIZE(collie_scoop_resources),
74 .resource = collie_scoop_resources,
77 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
79 .dev = &colliescoop_device.dev,
80 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
81 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
82 .cd_irq_str = "PCMCIA0 CD",
86 static struct scoop_pcmcia_config collie_pcmcia_config = {
87 .devs = &collie_pcmcia_scoop[0],
91 static struct ucb1x00_plat_data collie_ucb1x00_data = {
92 .gpio_base = COLLIE_TC35143_GPIO_BASE,
95 static struct mcp_plat_data collie_mcp_data = {
96 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
98 .codec_pdata = &collie_ucb1x00_data,
101 /* Battery management GPIOs */
102 static struct gpiod_lookup_table collie_battery_gpiod_table = {
103 /* the MCP codec mcp0 has the ucb1x00 as attached device */
106 /* This is found on the main GPIO on the SA1100 */
107 GPIO_LOOKUP("gpio", COLLIE_GPIO_CO,
108 "main battery full", GPIO_ACTIVE_HIGH),
109 GPIO_LOOKUP("gpio", COLLIE_GPIO_MAIN_BAT_LOW,
110 "main battery low", GPIO_ACTIVE_HIGH),
112 * This is GPIO 0 on the Scoop expander, which is registered
113 * from common/scoop.c with this gpio chip label.
115 GPIO_LOOKUP("sharp-scoop", 0,
116 "main charge on", GPIO_ACTIVE_HIGH),
121 static int collie_ir_startup(struct device *dev)
123 int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA");
126 rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1);
131 gpio_free(COLLIE_GPIO_IR_ON);
135 static void collie_ir_shutdown(struct device *dev)
137 gpio_free(COLLIE_GPIO_IR_ON);
140 static int collie_ir_set_power(struct device *dev, unsigned int state)
142 gpio_set_value(COLLIE_GPIO_IR_ON, !state);
146 static struct irda_platform_data collie_ir_data = {
147 .startup = collie_ir_startup,
148 .shutdown = collie_ir_shutdown,
149 .set_power = collie_ir_set_power,
155 static struct gpiod_lookup_table collie_power_gpiod_table = {
156 .dev_id = "gpio-charger",
158 GPIO_LOOKUP("gpio", COLLIE_GPIO_AC_IN,
159 NULL, GPIO_ACTIVE_HIGH),
164 static char *collie_ac_supplied_to[] = {
169 static struct gpio_charger_platform_data collie_power_data = {
171 .type = POWER_SUPPLY_TYPE_MAINS,
172 .supplied_to = collie_ac_supplied_to,
173 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
176 static struct platform_device collie_power_device = {
177 .name = "gpio-charger",
179 .dev.platform_data = &collie_power_data,
182 #ifdef CONFIG_SHARP_LOCOMO
184 * low-level UART features.
186 struct platform_device collie_locomo_device;
188 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
190 if (mctrl & TIOCM_RTS)
191 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
193 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
195 if (mctrl & TIOCM_DTR)
196 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
198 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
201 static u_int collie_uart_get_mctrl(struct uart_port *port)
206 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
209 if (r & LOCOMO_GPIO_CTS)
211 if (r & LOCOMO_GPIO_DSR)
217 static struct sa1100_port_fns collie_port_fns __initdata = {
218 .set_mctrl = collie_uart_set_mctrl,
219 .get_mctrl = collie_uart_get_mctrl,
222 static int collie_uart_probe(struct locomo_dev *dev)
227 static int collie_uart_remove(struct locomo_dev *dev)
232 static struct locomo_driver collie_uart_driver = {
234 .name = "collie_uart",
236 .devid = LOCOMO_DEVID_UART,
237 .probe = collie_uart_probe,
238 .remove = collie_uart_remove,
241 static int __init collie_uart_init(void)
243 return locomo_driver_register(&collie_uart_driver);
245 device_initcall(collie_uart_init);
250 static struct resource locomo_resources[] = {
251 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
252 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
255 static struct locomo_platform_data locomo_info = {
256 .irq_base = IRQ_BOARD_START,
259 struct platform_device collie_locomo_device = {
263 .platform_data = &locomo_info,
265 .num_resources = ARRAY_SIZE(locomo_resources),
266 .resource = locomo_resources,
269 static struct gpio_keys_button collie_gpio_keys[] = {
272 .code = KEY_RESERVED,
273 .gpio = COLLIE_GPIO_ON_KEY,
281 .gpio = COLLIE_GPIO_WAKEUP,
288 static struct gpio_keys_platform_data collie_gpio_keys_data = {
289 .buttons = collie_gpio_keys,
290 .nbuttons = ARRAY_SIZE(collie_gpio_keys),
293 static struct platform_device collie_gpio_keys_device = {
297 .platform_data = &collie_gpio_keys_data,
301 static struct platform_device *devices[] __initdata = {
302 &collie_locomo_device,
304 &collie_power_device,
305 &collie_gpio_keys_device,
308 static struct mtd_partition collie_partitions[] = {
310 .name = "bootloader",
313 .mask_flags = MTD_WRITEABLE
316 .offset = MTDPART_OFS_APPEND,
320 .offset = MTDPART_OFS_APPEND,
324 .offset = MTDPART_OFS_APPEND,
326 .mask_flags = MTD_WRITEABLE
330 static int collie_flash_init(void)
332 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
336 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
338 gpio_free(COLLIE_GPIO_VPEN);
343 static void collie_set_vpp(int vpp)
345 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
348 static void collie_flash_exit(void)
350 gpio_free(COLLIE_GPIO_VPEN);
353 static struct flash_platform_data collie_flash_data = {
354 .map_name = "cfi_probe",
355 .init = collie_flash_init,
356 .set_vpp = collie_set_vpp,
357 .exit = collie_flash_exit,
358 .parts = collie_partitions,
359 .nr_parts = ARRAY_SIZE(collie_partitions),
362 static struct resource collie_flash_resources[] = {
363 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
366 static struct sa1100fb_mach_info collie_lcd_info = {
367 .pixclock = 171521, .bpp = 16,
368 .xres = 320, .yres = 240,
370 .hsync_len = 5, .vsync_len = 1,
371 .left_margin = 11, .upper_margin = 2,
372 .right_margin = 30, .lower_margin = 0,
374 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
376 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
377 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
379 #ifdef CONFIG_BACKLIGHT_LOCOMO
380 .lcd_power = locomolcd_power
384 static void __init collie_init(void)
389 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
390 GPIO_MCP_CLK | GPIO_32_768kHz;
392 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
393 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
394 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
395 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
396 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
398 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
399 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
400 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
404 PGSR = _COLLIE_GPIO_nREMOCON_ON;
406 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
410 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
412 sa11x0_ppc_configure_mcp();
415 platform_scoop_config = &collie_pcmcia_config;
417 gpiod_add_lookup_table(&collie_power_gpiod_table);
418 gpiod_add_lookup_table(&collie_battery_gpiod_table);
420 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
422 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
425 sa11x0_register_lcd(&collie_lcd_info);
426 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
427 ARRAY_SIZE(collie_flash_resources));
428 sa11x0_register_mcp(&collie_mcp_data);
429 sa11x0_register_irda(&collie_ir_data);
431 sharpsl_save_param();
434 static struct map_desc collie_io_desc[] __initdata = {
435 { /* 32M main flash (cs0) */
436 .virtual = 0xe8000000,
437 .pfn = __phys_to_pfn(0x00000000),
438 .length = 0x02000000,
440 }, { /* 32M boot flash (cs1) */
441 .virtual = 0xea000000,
442 .pfn = __phys_to_pfn(0x08000000),
443 .length = 0x02000000,
448 static void __init collie_map_io(void)
451 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
453 #ifdef CONFIG_SHARP_LOCOMO
454 sa1100_register_uart_fns(&collie_port_fns);
456 sa1100_register_uart(0, 3);
457 sa1100_register_uart(1, 1);
460 MACHINE_START(COLLIE, "Sharp-Collie")
461 .map_io = collie_map_io,
462 .nr_irqs = SA1100_NR_IRQS,
463 .init_irq = sa1100_init_irq,
464 .init_time = sa1100_timer_init,
465 .init_machine = collie_init,
466 .init_late = sa11x0_init_late,
467 .restart = sa11x0_restart,