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/mfd/ucb1x00.h>
26 #include <linux/mtd/mtd.h>
27 #include <linux/mtd/partitions.h>
28 #include <linux/timer.h>
29 #include <linux/gpio.h>
30 #include <linux/pda_power.h>
32 #include <video/sa1100fb.h>
34 #include <mach/hardware.h>
35 #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>
49 #include <mach/irqs.h>
53 static struct resource collie_scoop_resources[] = {
54 [0] = DEFINE_RES_MEM(0x40800000, SZ_4K),
57 static struct scoop_config collie_scoop_setup = {
58 .io_dir = COLLIE_SCOOP_IO_DIR,
59 .io_out = COLLIE_SCOOP_IO_OUT,
60 .gpio_base = COLLIE_SCOOP_GPIO_BASE,
63 struct platform_device colliescoop_device = {
64 .name = "sharp-scoop",
67 .platform_data = &collie_scoop_setup,
69 .num_resources = ARRAY_SIZE(collie_scoop_resources),
70 .resource = collie_scoop_resources,
73 static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = {
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",
82 static struct scoop_pcmcia_config collie_pcmcia_config = {
83 .devs = &collie_pcmcia_scoop[0],
87 static struct ucb1x00_plat_data collie_ucb1x00_data = {
88 .gpio_base = COLLIE_TC35143_GPIO_BASE,
91 static struct mcp_plat_data collie_mcp_data = {
92 .mccr0 = MCCR0_ADM | MCCR0_ExtClk,
94 .codec_pdata = &collie_ucb1x00_data,
100 static int collie_power_init(struct device *dev)
102 int ret = gpio_request(COLLIE_GPIO_AC_IN, "ac in");
106 ret = gpio_direction_input(COLLIE_GPIO_AC_IN);
113 gpio_free(COLLIE_GPIO_AC_IN);
118 static void collie_power_exit(struct device *dev)
120 gpio_free(COLLIE_GPIO_AC_IN);
123 static int collie_power_ac_online(void)
125 return gpio_get_value(COLLIE_GPIO_AC_IN) == 2;
128 static char *collie_ac_supplied_to[] = {
133 static struct pda_power_pdata collie_power_data = {
134 .init = collie_power_init,
135 .is_ac_online = collie_power_ac_online,
136 .exit = collie_power_exit,
137 .supplied_to = collie_ac_supplied_to,
138 .num_supplicants = ARRAY_SIZE(collie_ac_supplied_to),
141 static struct resource collie_power_resource[] = {
144 .flags = IORESOURCE_IRQ |
145 IORESOURCE_IRQ_HIGHEDGE |
146 IORESOURCE_IRQ_LOWEDGE,
150 static struct platform_device collie_power_device = {
153 .dev.platform_data = &collie_power_data,
154 .resource = collie_power_resource,
155 .num_resources = ARRAY_SIZE(collie_power_resource),
158 #ifdef CONFIG_SHARP_LOCOMO
160 * low-level UART features.
162 struct platform_device collie_locomo_device;
164 static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
166 if (mctrl & TIOCM_RTS)
167 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
169 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
171 if (mctrl & TIOCM_DTR)
172 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
174 locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
177 static u_int collie_uart_get_mctrl(struct uart_port *port)
182 r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
185 if (r & LOCOMO_GPIO_CTS)
187 if (r & LOCOMO_GPIO_DSR)
193 static struct sa1100_port_fns collie_port_fns __initdata = {
194 .set_mctrl = collie_uart_set_mctrl,
195 .get_mctrl = collie_uart_get_mctrl,
198 static int collie_uart_probe(struct locomo_dev *dev)
203 static int collie_uart_remove(struct locomo_dev *dev)
208 static struct locomo_driver collie_uart_driver = {
210 .name = "collie_uart",
212 .devid = LOCOMO_DEVID_UART,
213 .probe = collie_uart_probe,
214 .remove = collie_uart_remove,
217 static int __init collie_uart_init(void)
219 return locomo_driver_register(&collie_uart_driver);
221 device_initcall(collie_uart_init);
226 static struct resource locomo_resources[] = {
227 [0] = DEFINE_RES_MEM(0x40000000, SZ_8K),
228 [1] = DEFINE_RES_IRQ(IRQ_GPIO25),
231 static struct locomo_platform_data locomo_info = {
232 .irq_base = IRQ_BOARD_START,
235 struct platform_device collie_locomo_device = {
239 .platform_data = &locomo_info,
241 .num_resources = ARRAY_SIZE(locomo_resources),
242 .resource = locomo_resources,
245 static struct platform_device *devices[] __initdata = {
246 &collie_locomo_device,
248 &collie_power_device,
251 static struct mtd_partition collie_partitions[] = {
253 .name = "bootloader",
256 .mask_flags = MTD_WRITEABLE
259 .offset = MTDPART_OFS_APPEND,
263 .offset = MTDPART_OFS_APPEND,
268 static int collie_flash_init(void)
270 int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable");
274 rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1);
276 gpio_free(COLLIE_GPIO_VPEN);
281 static void collie_set_vpp(int vpp)
283 gpio_set_value(COLLIE_GPIO_VPEN, vpp);
286 static void collie_flash_exit(void)
288 gpio_free(COLLIE_GPIO_VPEN);
291 static struct flash_platform_data collie_flash_data = {
292 .map_name = "cfi_probe",
293 .init = collie_flash_init,
294 .set_vpp = collie_set_vpp,
295 .exit = collie_flash_exit,
296 .parts = collie_partitions,
297 .nr_parts = ARRAY_SIZE(collie_partitions),
300 static struct resource collie_flash_resources[] = {
301 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M),
304 static struct sa1100fb_mach_info collie_lcd_info = {
305 .pixclock = 171521, .bpp = 16,
306 .xres = 320, .yres = 240,
308 .hsync_len = 5, .vsync_len = 1,
309 .left_margin = 11, .upper_margin = 2,
310 .right_margin = 30, .lower_margin = 0,
312 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
314 .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
315 .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2),
317 #ifdef CONFIG_BACKLIGHT_LOCOMO
318 .lcd_power = locomolcd_power
322 static void __init collie_init(void)
327 GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
328 GPIO_MCP_CLK | GPIO_32_768kHz;
330 GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
331 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
332 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
333 _COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON |
334 _COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
336 PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
337 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
338 PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
340 PWER = _COLLIE_GPIO_AC_IN | _COLLIE_GPIO_CO | _COLLIE_GPIO_ON_KEY |
341 _COLLIE_GPIO_WAKEUP | _COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
343 PGSR = _COLLIE_GPIO_nREMOCON_ON;
345 PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
349 GPSR |= _COLLIE_GPIO_UCB1x00_RESET;
351 collie_power_resource[0].start = gpio_to_irq(COLLIE_GPIO_AC_IN);
352 collie_power_resource[0].end = gpio_to_irq(COLLIE_GPIO_AC_IN);
354 sa11x0_ppc_configure_mcp();
357 platform_scoop_config = &collie_pcmcia_config;
359 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
361 printk(KERN_WARNING "collie: Unable to register LoCoMo device\n");
364 sa11x0_register_lcd(&collie_lcd_info);
365 sa11x0_register_mtd(&collie_flash_data, collie_flash_resources,
366 ARRAY_SIZE(collie_flash_resources));
367 sa11x0_register_mcp(&collie_mcp_data);
369 sharpsl_save_param();
372 static struct map_desc collie_io_desc[] __initdata = {
373 { /* 32M main flash (cs0) */
374 .virtual = 0xe8000000,
375 .pfn = __phys_to_pfn(0x00000000),
376 .length = 0x02000000,
378 }, { /* 32M boot flash (cs1) */
379 .virtual = 0xea000000,
380 .pfn = __phys_to_pfn(0x08000000),
381 .length = 0x02000000,
386 static void __init collie_map_io(void)
389 iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc));
391 #ifdef CONFIG_SHARP_LOCOMO
392 sa1100_register_uart_fns(&collie_port_fns);
394 sa1100_register_uart(0, 3);
395 sa1100_register_uart(1, 1);
398 MACHINE_START(COLLIE, "Sharp-Collie")
399 .map_io = collie_map_io,
400 .nr_irqs = SA1100_NR_IRQS,
401 .init_irq = sa1100_init_irq,
402 .timer = &sa1100_timer,
403 .init_machine = collie_init,
404 .init_late = sa11x0_init_late,
405 .restart = sa11x0_restart,