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/pda_power.h>
35 #include <video/sa1100fb.h>
37 #include <mach/hardware.h>
38 #include <asm/mach-types.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>
47 #include <asm/hardware/scoop.h>
48 #include <asm/mach/sharpsl_param.h>
49 #include <asm/hardware/locomo.h>
50 #include <linux/platform_data/mfd-mcp-sa11x0.h>
51 #include <mach/irqs.h>
55 static struct resource collie_scoop_resources[] = {
56 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
59 static struct scoop_config collie_scoop_setup = {
60 .io_dir = COLLIE_SCOOP_IO_DIR,
61 .io_out = COLLIE_SCOOP_IO_OUT,
62 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
65 struct platform_device colliescoop_device = {
66 .name = "sharp-scoop",
69 .platform_data = &collie_scoop_setup,
71 .num_resources = ARRAY_SIZE(collie_scoop_resources),
72 .resource = collie_scoop_resources,
75 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
77 .dev = &colliescoop_device.dev,
78 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
79 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
80 .cd_irq_str = "PCMCIA0 CD",
84 static struct scoop_pcmcia_config collie_pcmcia_config = {
85 .devs = &collie_pcmcia_scoop[0],
89 static struct ucb1x00_plat_data collie_ucb1x00_data = {
90 .gpio_base = COLLIE_TC35143_GPIO_BASE,
93 static struct mcp_plat_data collie_mcp_data = {
94 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
96 .codec_pdata = &collie_ucb1x00_data,
102 static int collie_power_init(struct device *dev)
104 int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
108 ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
115 gpio_free(COLLIE_GPIO_AC_IN);
120 static void collie_power_exit(struct device *dev)
122 gpio_free(COLLIE_GPIO_AC_IN);
125 static int collie_power_ac_online(void)
127 return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
130 static char *collie_ac_supplied_to[] = {
135 static struct pda_power_pdata collie_power_data = {
136 .init = collie_power_init,
137 .is_ac_online = collie_power_ac_online,
138 .exit = collie_power_exit,
139 .supplied_to = collie_ac_supplied_to,
140 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
143 static struct resource collie_power_resource[] = {
146 .flags = IORESOURCE_IRQ |
147 IORESOURCE_IRQ_HIGHEDGE |
148 IORESOURCE_IRQ_LOWEDGE,
152 static struct platform_device collie_power_device = {
155 .dev.platform_data = &collie_power_data,
156 .resource = collie_power_resource,
157 .num_resources = ARRAY_SIZE(collie_power_resource),
160 #ifdef CONFIG_SHARP_LOCOMO
162 * low-level UART features.
164 struct platform_device collie_locomo_device;
166 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
168 if (mctrl & TIOCM_RTS)
169 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
171 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
173 if (mctrl & TIOCM_DTR)
174 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
176 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
179 static u_int collie_uart_get_mctrl(struct uart_port *port)
184 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
187 if (r & LOCOMO_GPIO_CTS)
189 if (r & LOCOMO_GPIO_DSR)
195 static struct sa1100_port_fns collie_port_fns __initdata = {
196 .set_mctrl = collie_uart_set_mctrl,
197 .get_mctrl = collie_uart_get_mctrl,
200 static int collie_uart_probe(struct locomo_dev *dev)
205 static int collie_uart_remove(struct locomo_dev *dev)
210 static struct locomo_driver collie_uart_driver = {
212 .name = "collie_uart",
214 .devid = LOCOMO_DEVID_UART,
215 .probe = collie_uart_probe,
216 .remove = collie_uart_remove,
219 static int __init collie_uart_init(void)
221 return locomo_driver_register(&collie_uart_driver);
223 device_initcall(collie_uart_init);
228 static struct resource locomo_resources[] = {
229 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
230 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
233 static struct locomo_platform_data locomo_info = {
234 .irq_base = IRQ_BOARD_START,
237 struct platform_device collie_locomo_device = {
241 .platform_data = &locomo_info,
243 .num_resources = ARRAY_SIZE(locomo_resources),
244 .resource = locomo_resources,
247 static struct gpio_keys_button collie_gpio_keys[] = {
250 .code = KEY_RESERVED,
251 .gpio = COLLIE_GPIO_ON_KEY,
259 .gpio = COLLIE_GPIO_WAKEUP,
266 static struct gpio_keys_platform_data collie_gpio_keys_data = {
267 .buttons = collie_gpio_keys,
268 .nbuttons = ARRAY_SIZE(collie_gpio_keys),
271 static struct platform_device collie_gpio_keys_device = {
275 .platform_data = &collie_gpio_keys_data,
279 static struct platform_device *devices[] __initdata = {
280 &collie_locomo_device,
282 &collie_power_device,
283 &collie_gpio_keys_device,
286 static struct mtd_partition collie_partitions[] = {
288 .name = "bootloader",
291 .mask_flags = MTD_WRITEABLE
294 .offset = MTDPART_OFS_APPEND,
298 .offset = MTDPART_OFS_APPEND,
303 static int collie_flash_init(void)
305 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
309 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
311 gpio_free(COLLIE_GPIO_VPEN);
316 static void collie_set_vpp(int vpp)
318 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
321 static void collie_flash_exit(void)
323 gpio_free(COLLIE_GPIO_VPEN);
326 static struct flash_platform_data collie_flash_data = {
327 .map_name = "jedec_probe",
328 .init = collie_flash_init,
329 .set_vpp = collie_set_vpp,
330 .exit = collie_flash_exit,
331 .parts = collie_partitions,
332 .nr_parts = ARRAY_SIZE(collie_partitions),
335 static struct resource collie_flash_resources[] = {
336 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
339 static struct sa1100fb_mach_info collie_lcd_info = {
340 .pixclock = 171521, .bpp = 16,
341 .xres = 320, .yres = 240,
343 .hsync_len = 5, .vsync_len = 1,
344 .left_margin = 11, .upper_margin = 2,
345 .right_margin = 30, .lower_margin = 0,
347 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
349 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
350 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
352 #ifdef CONFIG_BACKLIGHT_LOCOMO
353 .lcd_power = locomolcd_power
357 static void __init collie_init(void)
362 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
363 GPIO_MCP_CLK | GPIO_32_768kHz;
365 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
366 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
367 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
368 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
369 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
371 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
372 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
373 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
375 PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
376 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
378 PGSR = _COLLIE_GPIO_nREMOCON_ON;
380 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
384 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
386 collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN);
387 collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN);
389 sa11x0_ppc_configure_mcp();
392 platform_scoop_config = &collie_pcmcia_config;
394 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
396 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
399 sa11x0_register_lcd(&collie_lcd_info);
400 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
401 ARRAY_SIZE(collie_flash_resources));
402 sa11x0_register_mcp(&collie_mcp_data);
404 sharpsl_save_param();
407 static struct map_desc collie_io_desc[] __initdata = {
408 { /* 32M main flash (cs0) */
409 .virtual = 0xe8000000,
410 .pfn = __phys_to_pfn(0x00000000),
411 .length = 0x02000000,
413 }, { /* 32M boot flash (cs1) */
414 .virtual = 0xea000000,
415 .pfn = __phys_to_pfn(0x08000000),
416 .length = 0x02000000,
421 static void __init collie_map_io(void)
424 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
426 #ifdef CONFIG_SHARP_LOCOMO
427 sa1100_register_uart_fns(&collie_port_fns);
429 sa1100_register_uart(0, 3);
430 sa1100_register_uart(1, 1);
433 MACHINE_START(COLLIE, "Sharp-Collie")
434 .map_io = collie_map_io,
435 .nr_irqs = SA1100_NR_IRQS,
436 .init_irq = sa1100_init_irq,
437 .init_time = sa1100_timer_init,
438 .init_machine = collie_init,
439 .init_late = sa11x0_init_late,
440 .restart = sa11x0_restart,