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[ARM] pxa: move device registration into CPU-specific file
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1/*
2 * Support for Sharp SL-C6000x PDAs
3 * Model: (Tosa)
4 *
5 * Copyright (c) 2005 Dirk Opfer
6 *
7 * Based on code written by Sharp/Lineo for 2.4 kernels
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 */
14
15#include <linux/kernel.h>
16#include <linux/init.h>
067c9048 17#include <linux/platform_device.h>
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18#include <linux/major.h>
19#include <linux/fs.h>
20#include <linux/interrupt.h>
21#include <linux/mmc/host.h>
74617fb6 22#include <linux/pm.h>
905f1467 23#include <linux/delay.h>
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24
25#include <asm/setup.h>
26#include <asm/memory.h>
27#include <asm/mach-types.h>
28#include <asm/hardware.h>
29#include <asm/irq.h>
74617fb6 30#include <asm/system.h>
77483037 31#include <asm/arch/pxa-regs.h>
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32#include <asm/arch/irda.h>
33#include <asm/arch/mmc.h>
34#include <asm/arch/udc.h>
35
36#include <asm/mach/arch.h>
37#include <asm/mach/map.h>
38#include <asm/mach/irq.h>
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39#include <asm/arch/tosa.h>
40
41#include <asm/hardware/scoop.h>
42#include <asm/mach/sharpsl_param.h>
43
44#include "generic.h"
45
46
47/*
48 * SCOOP Device
49 */
50static struct resource tosa_scoop_resources[] = {
51 [0] = {
52 .start = TOSA_CF_PHYS,
53 .end = TOSA_CF_PHYS + 0xfff,
54 .flags = IORESOURCE_MEM,
55 },
56};
57
58static struct scoop_config tosa_scoop_setup = {
59 .io_dir = TOSA_SCOOP_IO_DIR,
60 .io_out = TOSA_SCOOP_IO_OUT,
61
62};
63
64struct platform_device tosascoop_device = {
65 .name = "sharp-scoop",
66 .id = 0,
67 .dev = {
68 .platform_data = &tosa_scoop_setup,
69 },
70 .num_resources = ARRAY_SIZE(tosa_scoop_resources),
71 .resource = tosa_scoop_resources,
72};
73
74
75/*
76 * SCOOP Device Jacket
77 */
78static struct resource tosa_scoop_jc_resources[] = {
79 [0] = {
80 .start = TOSA_SCOOP_PHYS + 0x40,
81 .end = TOSA_SCOOP_PHYS + 0xfff,
82 .flags = IORESOURCE_MEM,
83 },
84};
85
86static struct scoop_config tosa_scoop_jc_setup = {
87 .io_dir = TOSA_SCOOP_JC_IO_DIR,
88 .io_out = TOSA_SCOOP_JC_IO_OUT,
89};
90
91struct platform_device tosascoop_jc_device = {
92 .name = "sharp-scoop",
93 .id = 1,
94 .dev = {
95 .platform_data = &tosa_scoop_jc_setup,
96 .parent = &tosascoop_device.dev,
97 },
98 .num_resources = ARRAY_SIZE(tosa_scoop_jc_resources),
99 .resource = tosa_scoop_jc_resources,
100};
101
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102/*
103 * PCMCIA
104 */
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105static struct scoop_pcmcia_dev tosa_pcmcia_scoop[] = {
106{
107 .dev = &tosascoop_device.dev,
108 .irq = TOSA_IRQ_GPIO_CF_IRQ,
109 .cd_irq = TOSA_IRQ_GPIO_CF_CD,
110 .cd_irq_str = "PCMCIA0 CD",
111},{
112 .dev = &tosascoop_jc_device.dev,
113 .irq = TOSA_IRQ_GPIO_JC_CF_IRQ,
114 .cd_irq = -1,
115},
116};
117
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118static void tosa_pcmcia_init(void)
119{
120 /* Setup default state of GPIO outputs
121 before we enable them as outputs. */
122 GPSR(GPIO48_nPOE) = GPIO_bit(GPIO48_nPOE) |
123 GPIO_bit(GPIO49_nPWE) | GPIO_bit(GPIO50_nPIOR) |
124 GPIO_bit(GPIO51_nPIOW) | GPIO_bit(GPIO52_nPCE_1) |
125 GPIO_bit(GPIO53_nPCE_2);
126
127 pxa_gpio_mode(GPIO48_nPOE_MD);
128 pxa_gpio_mode(GPIO49_nPWE_MD);
129 pxa_gpio_mode(GPIO50_nPIOR_MD);
130 pxa_gpio_mode(GPIO51_nPIOW_MD);
131 pxa_gpio_mode(GPIO55_nPREG_MD);
132 pxa_gpio_mode(GPIO56_nPWAIT_MD);
133 pxa_gpio_mode(GPIO57_nIOIS16_MD);
134 pxa_gpio_mode(GPIO52_nPCE_1_MD);
135 pxa_gpio_mode(GPIO53_nPCE_2_MD);
136 pxa_gpio_mode(GPIO54_pSKTSEL_MD);
137}
138
139static struct scoop_pcmcia_config tosa_pcmcia_config = {
140 .devs = &tosa_pcmcia_scoop[0],
141 .num_devs = 2,
142 .pcmcia_init = tosa_pcmcia_init,
143};
144
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145/*
146 * USB Device Controller
147 */
148static void tosa_udc_command(int cmd)
149{
150 switch(cmd) {
151 case PXA2XX_UDC_CMD_CONNECT:
152 set_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
153 break;
154 case PXA2XX_UDC_CMD_DISCONNECT:
155 reset_scoop_gpio(&tosascoop_jc_device.dev,TOSA_SCOOP_JC_USB_PULLUP);
156 break;
157 }
158}
159
160static int tosa_udc_is_connected(void)
161{
162 return ((GPLR(TOSA_GPIO_USB_IN) & GPIO_bit(TOSA_GPIO_USB_IN)) == 0);
163}
164
165
166static struct pxa2xx_udc_mach_info udc_info __initdata = {
167 .udc_command = tosa_udc_command,
168 .udc_is_connected = tosa_udc_is_connected,
169};
170
171/*
172 * MMC/SD Device
173 */
174static struct pxamci_platform_data tosa_mci_platform_data;
175
40220c1a 176static int tosa_mci_init(struct device *dev, irq_handler_t tosa_detect_int, void *data)
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177{
178 int err;
179
180 /* setup GPIO for PXA25x MMC controller */
181 pxa_gpio_mode(GPIO6_MMCCLK_MD);
182 pxa_gpio_mode(GPIO8_MMCCS0_MD);
183 pxa_gpio_mode(TOSA_GPIO_nSD_DETECT | GPIO_IN);
184
185 tosa_mci_platform_data.detect_delay = msecs_to_jiffies(250);
186
52e405ea 187 err = request_irq(TOSA_IRQ_GPIO_nSD_DETECT, tosa_detect_int, IRQF_DISABLED,
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188 "MMC/SD card detect", data);
189 if (err) {
190 printk(KERN_ERR "tosa_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
191 return -1;
192 }
193
194 set_irq_type(TOSA_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
195
196 return 0;
197}
198
199static void tosa_mci_setpower(struct device *dev, unsigned int vdd)
200{
201 struct pxamci_platform_data* p_d = dev->platform_data;
202
203 if (( 1 << vdd) & p_d->ocr_mask) {
204 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
205 } else {
206 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_PWR_ON);
207 }
208}
209
210static int tosa_mci_get_ro(struct device *dev)
211{
212 return (read_scoop_reg(&tosascoop_device.dev, SCOOP_GPWR)&TOSA_SCOOP_SD_WP);
213}
214
215static void tosa_mci_exit(struct device *dev, void *data)
216{
217 free_irq(TOSA_IRQ_GPIO_nSD_DETECT, data);
218}
219
220static struct pxamci_platform_data tosa_mci_platform_data = {
221 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
222 .init = tosa_mci_init,
223 .get_ro = tosa_mci_get_ro,
224 .setpower = tosa_mci_setpower,
225 .exit = tosa_mci_exit,
226};
227
228/*
229 * Irda
230 */
231static void tosa_irda_transceiver_mode(struct device *dev, int mode)
232{
233 if (mode & IR_OFF) {
234 reset_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
235 pxa_gpio_mode(GPIO47_STTXD|GPIO_DFLT_LOW);
236 pxa_gpio_mode(GPIO47_STTXD|GPIO_OUT);
237 } else {
238 pxa_gpio_mode(GPIO47_STTXD_MD);
239 set_scoop_gpio(&tosascoop_device.dev,TOSA_SCOOP_IR_POWERDWN);
240 }
241}
242
243static struct pxaficp_platform_data tosa_ficp_platform_data = {
244 .transceiver_cap = IR_SIRMODE | IR_OFF,
245 .transceiver_mode = tosa_irda_transceiver_mode,
246};
247
248/*
249 * Tosa Keyboard
250 */
251static struct platform_device tosakbd_device = {
252 .name = "tosa-keyboard",
253 .id = -1,
254};
8459c159 255
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256/*
257 * Tosa LEDs
258 */
259static struct platform_device tosaled_device = {
260 .name = "tosa-led",
261 .id = -1,
262};
263
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264static struct platform_device *devices[] __initdata = {
265 &tosascoop_device,
266 &tosascoop_jc_device,
a93876c1 267 &tosakbd_device,
6d0cf3e0 268 &tosaled_device,
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269};
270
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271static void tosa_poweroff(void)
272{
273 RCSR = RCSR_HWR | RCSR_WDR | RCSR_SMR | RCSR_GPR;
274
275 pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_OUT);
276 GPSR(TOSA_GPIO_ON_RESET) = GPIO_bit(TOSA_GPIO_ON_RESET);
277
278 mdelay(1000);
279 arm_machine_restart('h');
280}
281
282static void tosa_restart(char mode)
283{
284 /* Bootloader magic for a reboot */
285 if((MSC0 & 0xffff0000) == 0x7ff00000)
286 MSC0 = (MSC0 & 0xffff) | 0x7ee00000;
287
288 tosa_poweroff();
289}
290
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291static void __init tosa_init(void)
292{
74617fb6
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293 pm_power_off = tosa_poweroff;
294 arm_pm_restart = tosa_restart;
295
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296 pxa_gpio_mode(TOSA_GPIO_ON_RESET | GPIO_IN);
297 pxa_gpio_mode(TOSA_GPIO_TC6393_INT | GPIO_IN);
a93876c1 298 pxa_gpio_mode(TOSA_GPIO_USB_IN | GPIO_IN);
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299
300 /* setup sleep mode values */
301 PWER = 0x00000002;
302 PFER = 0x00000000;
303 PRER = 0x00000002;
304 PGSR0 = 0x00000000;
305 PGSR1 = 0x00FF0002;
306 PGSR2 = 0x00014000;
307 PCFR |= PCFR_OPDE;
308
a93876c1 309 /* enable batt_fault */
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310 PMCR = 0x01;
311
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312 pxa_set_mci_info(&tosa_mci_platform_data);
313 pxa_set_udc_info(&udc_info);
314 pxa_set_ficp_info(&tosa_ficp_platform_data);
4c18ad20 315 platform_scoop_config = &tosa_pcmcia_config;
8459c159 316
4c18ad20 317 platform_add_devices(devices, ARRAY_SIZE(devices));
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318}
319
320static void __init fixup_tosa(struct machine_desc *desc,
321 struct tag *tags, char **cmdline, struct meminfo *mi)
322{
323 sharpsl_save_param();
324 mi->nr_banks=1;
325 mi->bank[0].start = 0xa0000000;
326 mi->bank[0].node = 0;
327 mi->bank[0].size = (64*1024*1024);
328}
329
330MACHINE_START(TOSA, "SHARP Tosa")
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331 .phys_io = 0x40000000,
332 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
333 .fixup = fixup_tosa,
334 .map_io = pxa_map_io,
cd49104d 335 .init_irq = pxa25x_init_irq,
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336 .init_machine = tosa_init,
337 .timer = &pxa_timer,
338MACHINE_END