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_device.h>
25 #include <linux/mtd/mtd.h>
26 #include <linux/mtd/partitions.h>
27 #include <linux/timer.h>
28 #include <linux/gpio.h>
29 #include <linux/pda_power.h>
31 #include <video/sa1100fb.h>
33 #include <mach/hardware.h>
34 #include <asm/mach-types.h>
37 #include <asm/setup.h>
38 #include <mach/collie.h>
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>
45 #include <asm/hardware/scoop.h>
46 #include <asm/mach/sharpsl_param.h>
47 #include <asm/hardware/locomo.h>
52 static struct resource collie_scoop_resources[] = {
53 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
56 static struct scoop_config collie_scoop_setup = {
57 .io_dir = COLLIE_SCOOP_IO_DIR,
58 .io_out = COLLIE_SCOOP_IO_OUT,
59 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
62 struct platform_device colliescoop_device = {
63 .name = "sharp-scoop",
66 .platform_data = &collie_scoop_setup,
68 .num_resources = ARRAY_SIZE(collie_scoop_resources),
69 .resource = collie_scoop_resources,
72 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
74 .dev = &colliescoop_device.dev,
75 .irq = COLLIE_IRQ_GPIO_CF_IRQ,
76 .cd_irq = COLLIE_IRQ_GPIO_CF_CD,
77 .cd_irq_str = "PCMCIA0 CD",
81 static struct scoop_pcmcia_config collie_pcmcia_config = {
82 .devs = &collie_pcmcia_scoop[0],
86 static struct mcp_plat_data collie_mcp_data = {
87 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
89 .gpio_base = COLLIE_TC35143_GPIO_BASE,
95 static int collie_power_init(struct device *dev)
97 int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
101 ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
108 gpio_free(COLLIE_GPIO_AC_IN);
113 static void collie_power_exit(struct device *dev)
115 gpio_free(COLLIE_GPIO_AC_IN);
118 static int collie_power_ac_online(void)
120 return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
123 static char *collie_ac_supplied_to[] = {
128 static struct pda_power_pdata collie_power_data = {
129 .init = collie_power_init,
130 .is_ac_online = collie_power_ac_online,
131 .exit = collie_power_exit,
132 .supplied_to = collie_ac_supplied_to,
133 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
136 static struct resource collie_power_resource[] = {
139 .flags = IORESOURCE_IRQ |
140 IORESOURCE_IRQ_HIGHEDGE |
141 IORESOURCE_IRQ_LOWEDGE,
145 static struct platform_device collie_power_device = {
148 .dev.platform_data = &collie_power_data,
149 .resource = collie_power_resource,
150 .num_resources = ARRAY_SIZE(collie_power_resource),
153 #ifdef CONFIG_SHARP_LOCOMO
155 * low-level UART features.
157 struct platform_device collie_locomo_device;
159 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
161 if (mctrl & TIOCM_RTS)
162 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
164 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
166 if (mctrl & TIOCM_DTR)
167 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
169 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
172 static u_int collie_uart_get_mctrl(struct uart_port *port)
177 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
180 if (r & LOCOMO_GPIO_CTS)
182 if (r & LOCOMO_GPIO_DSR)
188 static struct sa1100_port_fns collie_port_fns __initdata = {
189 .set_mctrl = collie_uart_set_mctrl,
190 .get_mctrl = collie_uart_get_mctrl,
193 static int collie_uart_probe(struct locomo_dev *dev)
198 static int collie_uart_remove(struct locomo_dev *dev)
203 static struct locomo_driver collie_uart_driver = {
205 .name = "collie_uart",
207 .devid = LOCOMO_DEVID_UART,
208 .probe = collie_uart_probe,
209 .remove = collie_uart_remove,
212 static int __init collie_uart_init(void)
214 return locomo_driver_register(&collie_uart_driver);
216 device_initcall(collie_uart_init);
221 static struct resource locomo_resources[] = {
222 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
223 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
226 static struct locomo_platform_data locomo_info = {
227 .irq_base = IRQ_BOARD_START,
230 struct platform_device collie_locomo_device = {
234 .platform_data = &locomo_info,
236 .num_resources = ARRAY_SIZE(locomo_resources),
237 .resource = locomo_resources,
240 static struct platform_device *devices[] __initdata = {
241 &collie_locomo_device,
243 &collie_power_device,
246 static struct mtd_partition collie_partitions[] = {
248 .name = "bootloader",
251 .mask_flags = MTD_WRITEABLE
254 .offset = MTDPART_OFS_APPEND,
258 .offset = MTDPART_OFS_APPEND,
263 static int collie_flash_init(void)
265 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
269 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
271 gpio_free(COLLIE_GPIO_VPEN);
276 static void collie_set_vpp(int vpp)
278 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
281 static void collie_flash_exit(void)
283 gpio_free(COLLIE_GPIO_VPEN);
286 static struct flash_platform_data collie_flash_data = {
287 .map_name = "cfi_probe",
288 .init = collie_flash_init,
289 .set_vpp = collie_set_vpp,
290 .exit = collie_flash_exit,
291 .parts = collie_partitions,
292 .nr_parts = ARRAY_SIZE(collie_partitions),
295 static struct resource collie_flash_resources[] = {
296 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
299 static struct sa1100fb_mach_info collie_lcd_info = {
300 .pixclock = 171521, .bpp = 16,
301 .xres = 320, .yres = 240,
303 .hsync_len = 5, .vsync_len = 1,
304 .left_margin = 11, .upper_margin = 2,
305 .right_margin = 30, .lower_margin = 0,
307 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
309 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
310 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
313 static void __init collie_init(void)
318 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
319 GPIO_MCP_CLK | GPIO_32_768kHz;
321 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
322 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
323 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
324 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
325 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
327 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
328 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
329 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
331 PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
332 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
334 PGSR = _COLLIE_GPIO_nREMOCON_ON;
336 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
340 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
342 collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN);
343 collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN);
344 platform_scoop_config = &collie_pcmcia_config;
346 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
348 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
351 sa11x0_register_lcd(&collie_lcd_info);
352 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
353 ARRAY_SIZE(collie_flash_resources));
354 sa11x0_register_mcp(&collie_mcp_data);
356 sharpsl_save_param();
359 static struct map_desc collie_io_desc[] __initdata = {
360 { /* 32M main flash (cs0) */
361 .virtual = 0xe8000000,
362 .pfn = __phys_to_pfn(0x00000000),
363 .length = 0x02000000,
365 }, { /* 32M boot flash (cs1) */
366 .virtual = 0xea000000,
367 .pfn = __phys_to_pfn(0x08000000),
368 .length = 0x02000000,
373 static void __init collie_map_io(void)
376 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
378 #ifdef CONFIG_SHARP_LOCOMO
379 sa1100_register_uart_fns(&collie_port_fns);
381 sa1100_register_uart(0, 3);
382 sa1100_register_uart(1, 1);
385 MACHINE_START(COLLIE, "Sharp-Collie")
386 .map_io = collie_map_io,
387 .init_irq = sa1100_init_irq,
388 .timer = &sa1100_timer,
389 .init_machine = collie_init,
390 .restart = sa11x0_restart,