1/*
2 * linux/arch/arm/mach-pxa/poodle.c
3 *
4 *  Support for the SHARP Poodle Board.
5 *
6 * Based on:
7 *  linux/arch/arm/mach-pxa/lubbock.c Author:	Nicolas Pitre
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 * Change Log
14 *  12-Dec-2002 Sharp Corporation for Poodle
15 *  John Lenz <lenz@cs.wisc.edu> updates to 2.6
16 */
17#include <linux/kernel.h>
18#include <linux/init.h>
19#include <linux/platform_device.h>
20#include <linux/fb.h>
21#include <linux/pm.h>
22#include <linux/delay.h>
23
24#include <asm/hardware.h>
25#include <asm/mach-types.h>
26#include <asm/irq.h>
27#include <asm/setup.h>
28#include <asm/system.h>
29
30#include <asm/mach/arch.h>
31#include <asm/mach/map.h>
32#include <asm/mach/irq.h>
33
34#include <asm/arch/pxa-regs.h>
35#include <asm/arch/mmc.h>
36#include <asm/arch/udc.h>
37#include <asm/arch/irda.h>
38#include <asm/arch/poodle.h>
39#include <asm/arch/pxafb.h>
40#include <asm/arch/sharpsl.h>
41#include <asm/arch/ssp.h>
42
43#include <asm/hardware/scoop.h>
44#include <asm/hardware/locomo.h>
45#include <asm/mach/sharpsl_param.h>
46
47#include "generic.h"
48#include "sharpsl.h"
49
50static struct resource poodle_scoop_resources[] = {
51	[0] = {
52		.start		= 0x10800000,
53		.end		= 0x10800fff,
54		.flags		= IORESOURCE_MEM,
55	},
56};
57
58static struct scoop_config poodle_scoop_setup = {
59	.io_dir		= POODLE_SCOOP_IO_DIR,
60	.io_out		= POODLE_SCOOP_IO_OUT,
61};
62
63struct platform_device poodle_scoop_device = {
64	.name		= "sharp-scoop",
65	.id		= -1,
66	.dev		= {
67		.platform_data	= &poodle_scoop_setup,
68	},
69	.num_resources	= ARRAY_SIZE(poodle_scoop_resources),
70	.resource	= poodle_scoop_resources,
71};
72
73static void poodle_pcmcia_init(void)
74{
75	/* Setup default state of GPIO outputs
76	   before we enable them as outputs. */
77	GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
78		GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
79		GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
80		GPIO_bit(GPIO53_nPCE_2);
81
82	pxa_gpio_mode(GPIO48_nPOE_MD);
83	pxa_gpio_mode(GPIO49_nPWE_MD);
84	pxa_gpio_mode(GPIO50_nPIOR_MD);
85	pxa_gpio_mode(GPIO51_nPIOW_MD);
86	pxa_gpio_mode(GPIO55_nPREG_MD);
87	pxa_gpio_mode(GPIO56_nPWAIT_MD);
88	pxa_gpio_mode(GPIO57_nIOIS16_MD);
89	pxa_gpio_mode(GPIO52_nPCE_1_MD);
90	pxa_gpio_mode(GPIO53_nPCE_2_MD);
91	pxa_gpio_mode(GPIO54_pSKTSEL_MD);
92}
93
94static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = {
95{
96	.dev        = &poodle_scoop_device.dev,
97	.irq        = POODLE_IRQ_GPIO_CF_IRQ,
98	.cd_irq     = POODLE_IRQ_GPIO_CF_CD,
99	.cd_irq_str = "PCMCIA0 CD",
100},
101};
102
103static struct scoop_pcmcia_config poodle_pcmcia_config = {
104	.devs         = &poodle_pcmcia_scoop[0],
105	.num_devs     = 1,
106	.pcmcia_init  = poodle_pcmcia_init,
107};
108
109EXPORT_SYMBOL(poodle_scoop_device);
110
111
112/* LoCoMo device */
113static struct resource locomo_resources[] = {
114	[0] = {
115		.start		= 0x10000000,
116		.end		= 0x10001fff,
117		.flags		= IORESOURCE_MEM,
118	},
119	[1] = {
120		.start		= IRQ_GPIO(10),
121		.end		= IRQ_GPIO(10),
122		.flags		= IORESOURCE_IRQ,
123	},
124};
125
126struct platform_device poodle_locomo_device = {
127	.name		= "locomo",
128	.id		= 0,
129	.num_resources	= ARRAY_SIZE(locomo_resources),
130	.resource	= locomo_resources,
131};
132
133EXPORT_SYMBOL(poodle_locomo_device);
134
135/*
136 * Poodle SSP Device
137 */
138
139struct platform_device poodle_ssp_device = {
140	.name		= "corgi-ssp",
141	.id		= -1,
142};
143
144struct corgissp_machinfo poodle_ssp_machinfo = {
145	.port		= 1,
146	.cs_lcdcon	= -1,
147	.cs_ads7846	= -1,
148	.cs_max1111	= -1,
149	.clk_lcdcon	= 2,
150	.clk_ads7846	= 36,
151	.clk_max1111	= 2,
152};
153
154
155/*
156 * Poodle Touch Screen Device
157 */
158static struct resource poodlets_resources[] = {
159	[0] = {
160		.start		= POODLE_IRQ_GPIO_TP_INT,
161		.end		= POODLE_IRQ_GPIO_TP_INT,
162		.flags		= IORESOURCE_IRQ,
163	},
164};
165
166static unsigned long poodle_get_hsync_len(void)
167{
168	return 0;
169}
170
171static void poodle_null_hsync(void)
172{
173}
174
175static struct corgits_machinfo  poodle_ts_machinfo = {
176	.get_hsync_len   = poodle_get_hsync_len,
177	.put_hsync       = poodle_null_hsync,
178	.wait_hsync      = poodle_null_hsync,
179};
180
181static struct platform_device poodle_ts_device = {
182	.name		= "corgi-ts",
183	.dev		= {
184		.platform_data	= &poodle_ts_machinfo,
185	},
186	.id		= -1,
187	.num_resources	= ARRAY_SIZE(poodlets_resources),
188	.resource	= poodlets_resources,
189};
190
191
192/*
193 * MMC/SD Device
194 *
195 * The card detect interrupt isn't debounced so we delay it by 250ms
196 * to give the card a chance to fully insert/eject.
197 */
198static struct pxamci_platform_data poodle_mci_platform_data;
199
200static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data)
201{
202	int err;
203
204	/* setup GPIO for PXA25x MMC controller	*/
205	pxa_gpio_mode(GPIO6_MMCCLK_MD);
206	pxa_gpio_mode(GPIO8_MMCCS0_MD);
207	pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
208	pxa_gpio_mode(POODLE_GPIO_nSD_WP | GPIO_IN);
209	pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
210	pxa_gpio_mode(POODLE_GPIO_SD_PWR1 | GPIO_OUT);
211
212	poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
213
214	err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int,
215			  IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
216			  "MMC card detect", data);
217	if (err) {
218		printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
219		return -1;
220	}
221
222	return 0;
223}
224
225static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
226{
227	struct pxamci_platform_data* p_d = dev->platform_data;
228
229	if (( 1 << vdd) & p_d->ocr_mask) {
230		GPSR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
231		mdelay(2);
232		GPSR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
233	} else {
234		GPCR(POODLE_GPIO_SD_PWR1) = GPIO_bit(POODLE_GPIO_SD_PWR1);
235		GPCR(POODLE_GPIO_SD_PWR) = GPIO_bit(POODLE_GPIO_SD_PWR);
236	}
237}
238
239static int poodle_mci_get_ro(struct device *dev)
240{
241	return GPLR(POODLE_GPIO_nSD_WP) & GPIO_bit(POODLE_GPIO_nSD_WP);
242}
243
244
245static void poodle_mci_exit(struct device *dev, void *data)
246{
247	free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
248}
249
250static struct pxamci_platform_data poodle_mci_platform_data = {
251	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
252	.init 		= poodle_mci_init,
253	.get_ro		= poodle_mci_get_ro,
254	.setpower 	= poodle_mci_setpower,
255	.exit		= poodle_mci_exit,
256};
257
258
259/*
260 * Irda
261 */
262static void poodle_irda_transceiver_mode(struct device *dev, int mode)
263{
264	if (mode & IR_OFF) {
265		GPSR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
266	} else {
267		GPCR(POODLE_GPIO_IR_ON) = GPIO_bit(POODLE_GPIO_IR_ON);
268	}
269}
270
271static struct pxaficp_platform_data poodle_ficp_platform_data = {
272	.transceiver_cap  = IR_SIRMODE | IR_OFF,
273	.transceiver_mode = poodle_irda_transceiver_mode,
274};
275
276
277/*
278 * USB Device Controller
279 */
280static void poodle_udc_command(int cmd)
281{
282	switch(cmd)	{
283	case PXA2XX_UDC_CMD_CONNECT:
284		GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
285		break;
286	case PXA2XX_UDC_CMD_DISCONNECT:
287		GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
288		break;
289	}
290}
291
292static struct pxa2xx_udc_mach_info udc_info __initdata = {
293	/* no connect GPIO; poodle can't tell connection status */
294	.udc_command		= poodle_udc_command,
295};
296
297
298/* PXAFB device */
299static struct pxafb_mode_info poodle_fb_mode = {
300	.pixclock	= 144700,
301	.xres		= 320,
302	.yres		= 240,
303	.bpp		= 16,
304	.hsync_len	= 7,
305	.left_margin	= 11,
306	.right_margin	= 30,
307	.vsync_len	= 2,
308	.upper_margin	= 2,
309	.lower_margin	= 0,
310	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
311};
312
313static struct pxafb_mach_info poodle_fb_info = {
314	.modes		= &poodle_fb_mode,
315	.num_modes	= 1,
316	.lccr0		= LCCR0_Act | LCCR0_Sngl | LCCR0_Color,
317	.lccr3		= 0,
318};
319
320static struct platform_device *devices[] __initdata = {
321	&poodle_locomo_device,
322	&poodle_scoop_device,
323	&poodle_ssp_device,
324	&poodle_ts_device,
325};
326
327static void poodle_poweroff(void)
328{
329	RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
330	arm_machine_restart('h');
331}
332
333static void poodle_restart(char mode)
334{
335	RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
336	arm_machine_restart('h');
337}
338
339static void __init poodle_init(void)
340{
341	int ret = 0;
342
343	pm_power_off = poodle_poweroff;
344	arm_pm_restart = poodle_restart;
345
346	/* setup sleep mode values */
347	PWER  = 0x00000002;
348	PFER  = 0x00000000;
349	PRER  = 0x00000002;
350	PGSR0 = 0x00008000;
351	PGSR1 = 0x003F0202;
352	PGSR2 = 0x0001C000;
353	PCFR |= PCFR_OPDE;
354
355	/* cpu initialize */
356	/* Pgsr Register */
357  	PGSR0 = 0x0146dd80;
358  	PGSR1 = 0x03bf0890;
359  	PGSR2 = 0x0001c000;
360
361	/* Alternate Register */
362  	GAFR0_L = 0x01001000;
363  	GAFR0_U = 0x591a8010;
364  	GAFR1_L = 0x900a8451;
365  	GAFR1_U = 0xaaa5aaaa;
366  	GAFR2_L = 0x8aaaaaaa;
367  	GAFR2_U = 0x00000002;
368
369	/* Direction Register */
370  	GPDR0 = 0xd3f0904c;
371  	GPDR1 = 0xfcffb7d3;
372  	GPDR2 = 0x0001ffff;
373
374	/* Output Register */
375  	GPCR0 = 0x00000000;
376  	GPCR1 = 0x00000000;
377  	GPCR2 = 0x00000000;
378
379  	GPSR0 = 0x00400000;
380  	GPSR1 = 0x00000000;
381        GPSR2 = 0x00000000;
382
383	set_pxa_fb_parent(&poodle_locomo_device.dev);
384	set_pxa_fb_info(&poodle_fb_info);
385	pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
386	pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT);
387	pxa_set_udc_info(&udc_info);
388	pxa_set_mci_info(&poodle_mci_platform_data);
389	pxa_set_ficp_info(&poodle_ficp_platform_data);
390
391	platform_scoop_config = &poodle_pcmcia_config;
392
393	ret = platform_add_devices(devices, ARRAY_SIZE(devices));
394	if (ret) {
395		printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n");
396	}
397	corgi_ssp_set_machinfo(&poodle_ssp_machinfo);
398}
399
400static void __init fixup_poodle(struct machine_desc *desc,
401		struct tag *tags, char **cmdline, struct meminfo *mi)
402{
403	sharpsl_save_param();
404	mi->nr_banks=1;
405	mi->bank[0].start = 0xa0000000;
406	mi->bank[0].node = 0;
407	mi->bank[0].size = (32*1024*1024);
408}
409
410MACHINE_START(POODLE, "SHARP Poodle")
411	.phys_io	= 0x40000000,
412	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
413	.fixup		= fixup_poodle,
414	.map_io		= pxa_map_io,
415	.init_irq	= pxa_init_irq,
416	.timer		= &pxa_timer,
417	.init_machine	= poodle_init,
418MACHINE_END
419