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1/*
2 * linux/arch/arm/mach-sa1100/simpad.c
3 */
4
5#include <linux/module.h>
6#include <linux/init.h>
7#include <linux/kernel.h>
8#include <linux/tty.h>
9#include <linux/proc_fs.h>
10#include <linux/string.h>
11#include <linux/pm.h>
12#include <linux/platform_data/sa11x0-serial.h>
13#include <linux/platform_device.h>
14#include <linux/mfd/ucb1x00.h>
15#include <linux/mtd/mtd.h>
16#include <linux/mtd/partitions.h>
17#include <linux/io.h>
18#include <linux/gpio/driver.h>
19
20#include <mach/hardware.h>
21#include <asm/setup.h>
22#include <asm/irq.h>
23
24#include <asm/mach-types.h>
25#include <asm/mach/arch.h>
26#include <asm/mach/flash.h>
27#include <asm/mach/map.h>
28#include <linux/platform_data/mfd-mcp-sa11x0.h>
29#include <mach/simpad.h>
30#include <mach/irqs.h>
31
32#include <linux/serial_core.h>
33#include <linux/ioport.h>
34#include <linux/input.h>
35#include <linux/gpio_keys.h>
36#include <linux/leds.h>
37#include <linux/i2c-gpio.h>
38
39#include "generic.h"
40
41/*
42 * CS3 support
43 */
44
45static long cs3_shadow;
46static spinlock_t cs3_lock;
47static struct gpio_chip cs3_gpio;
48
49long simpad_get_cs3_ro(void)
50{
51 return readl(CS3_BASE);
52}
53EXPORT_SYMBOL(simpad_get_cs3_ro);
54
55long simpad_get_cs3_shadow(void)
56{
57 return cs3_shadow;
58}
59EXPORT_SYMBOL(simpad_get_cs3_shadow);
60
61static void __simpad_write_cs3(void)
62{
63 writel(cs3_shadow, CS3_BASE);
64}
65
66void simpad_set_cs3_bit(int value)
67{
68 unsigned long flags;
69
70 spin_lock_irqsave(&cs3_lock, flags);
71 cs3_shadow |= value;
72 __simpad_write_cs3();
73 spin_unlock_irqrestore(&cs3_lock, flags);
74}
75EXPORT_SYMBOL(simpad_set_cs3_bit);
76
77void simpad_clear_cs3_bit(int value)
78{
79 unsigned long flags;
80
81 spin_lock_irqsave(&cs3_lock, flags);
82 cs3_shadow &= ~value;
83 __simpad_write_cs3();
84 spin_unlock_irqrestore(&cs3_lock, flags);
85}
86EXPORT_SYMBOL(simpad_clear_cs3_bit);
87
88static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
89{
90 if (offset > 15)
91 return;
92 if (value)
93 simpad_set_cs3_bit(1 << offset);
94 else
95 simpad_clear_cs3_bit(1 << offset);
96};
97
98static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset)
99{
100 if (offset > 15)
101 return !!(simpad_get_cs3_ro() & (1 << (offset - 16)));
102 return !!(simpad_get_cs3_shadow() & (1 << offset));
103};
104
105static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
106{
107 if (offset > 15)
108 return 0;
109 return -EINVAL;
110};
111
112static int cs3_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
113 int value)
114{
115 if (offset > 15)
116 return -EINVAL;
117 cs3_gpio_set(chip, offset, value);
118 return 0;
119};
120
121static struct map_desc simpad_io_desc[] __initdata = {
122 { /* MQ200 */
123 .virtual = 0xf2800000,
124 .pfn = __phys_to_pfn(0x4b800000),
125 .length = 0x00800000,
126 .type = MT_DEVICE
127 }, { /* Simpad CS3 */
128 .virtual = (unsigned long)CS3_BASE,
129 .pfn = __phys_to_pfn(SA1100_CS3_PHYS),
130 .length = 0x00100000,
131 .type = MT_DEVICE
132 },
133};
134
135
136static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
137{
138 if (port->mapbase == (u_int)&Ser1UTCR0) {
139 if (state)
140 {
141 simpad_clear_cs3_bit(RS232_ON);
142 simpad_clear_cs3_bit(DECT_POWER_ON);
143 }else
144 {
145 simpad_set_cs3_bit(RS232_ON);
146 simpad_set_cs3_bit(DECT_POWER_ON);
147 }
148 }
149}
150
151static struct sa1100_port_fns simpad_port_fns __initdata = {
152 .pm = simpad_uart_pm,
153};
154
155
156static struct mtd_partition simpad_partitions[] = {
157 {
158 .name = "SIMpad boot firmware",
159 .size = 0x00080000,
160 .offset = 0,
161 .mask_flags = MTD_WRITEABLE,
162 }, {
163 .name = "SIMpad kernel",
164 .size = 0x0010000,
165 .offset = MTDPART_OFS_APPEND,
166 }, {
167 .name = "SIMpad root jffs2",
168 .size = MTDPART_SIZ_FULL,
169 .offset = MTDPART_OFS_APPEND,
170 }
171};
172
173static struct flash_platform_data simpad_flash_data = {
174 .map_name = "cfi_probe",
175 .parts = simpad_partitions,
176 .nr_parts = ARRAY_SIZE(simpad_partitions),
177};
178
179
180static struct resource simpad_flash_resources [] = {
181 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_16M),
182 DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_16M),
183};
184
185static struct ucb1x00_plat_data simpad_ucb1x00_data = {
186 .gpio_base = SIMPAD_UCB1X00_GPIO_BASE,
187};
188
189static struct mcp_plat_data simpad_mcp_data = {
190 .mccr0 = MCCR0_ADM,
191 .sclk_rate = 11981000,
192 .codec_pdata = &simpad_ucb1x00_data,
193};
194
195
196
197static void __init simpad_map_io(void)
198{
199 sa1100_map_io();
200
201 iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc));
202
203 /* Initialize CS3 */
204 cs3_shadow = (EN1 | EN0 | LED2_ON | DISPLAY_ON |
205 RS232_ON | ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON);
206 __simpad_write_cs3(); /* Spinlocks not yet initialized */
207
208 sa1100_register_uart_fns(&simpad_port_fns);
209 sa1100_register_uart(0, 3); /* serial interface */
210 sa1100_register_uart(1, 1); /* DECT */
211
212 // Reassign UART 1 pins
213 GAFR |= GPIO_UART_TXD | GPIO_UART_RXD;
214 GPDR |= GPIO_UART_TXD | GPIO_LDD13 | GPIO_LDD15;
215 GPDR &= ~GPIO_UART_RXD;
216 PPAR |= PPAR_UPR;
217
218 /*
219 * Set up registers for sleep mode.
220 */
221
222
223 PWER = PWER_GPIO0| PWER_RTC;
224 PGSR = 0x818;
225 PCFR = 0;
226 PSDR = 0;
227
228}
229
230static void simpad_power_off(void)
231{
232 local_irq_disable();
233 cs3_shadow = SD_MEDIAQ;
234 __simpad_write_cs3(); /* Bypass spinlock here */
235
236 /* disable internal oscillator, float CS lines */
237 PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS);
238 /* enable wake-up on GPIO0 */
239 PWER = GFER = GRER = PWER_GPIO0;
240 /*
241 * set scratchpad to zero, just in case it is used as a
242 * restart address by the bootloader.
243 */
244 PSPR = 0;
245 PGSR = 0;
246 /* enter sleep mode */
247 PMCR = PMCR_SF;
248 while(1);
249
250 local_irq_enable(); /* we won't ever call it */
251
252
253}
254
255/*
256 * gpio_keys
257*/
258
259static struct gpio_keys_button simpad_button_table[] = {
260 { KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" },
261};
262
263static struct gpio_keys_platform_data simpad_keys_data = {
264 .buttons = simpad_button_table,
265 .nbuttons = ARRAY_SIZE(simpad_button_table),
266};
267
268static struct platform_device simpad_keys = {
269 .name = "gpio-keys",
270 .dev = {
271 .platform_data = &simpad_keys_data,
272 },
273};
274
275static struct gpio_keys_button simpad_polled_button_table[] = {
276 { KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" },
277 { KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" },
278 { KEY_UP, SIMPAD_UCB1X00_GPIO_UP, 1, "up button" },
279 { KEY_DOWN, SIMPAD_UCB1X00_GPIO_DOWN, 1, "down button" },
280 { KEY_LEFT, SIMPAD_UCB1X00_GPIO_LEFT, 1, "left button" },
281 { KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" },
282};
283
284static struct gpio_keys_platform_data simpad_polled_keys_data = {
285 .buttons = simpad_polled_button_table,
286 .nbuttons = ARRAY_SIZE(simpad_polled_button_table),
287 .poll_interval = 50,
288};
289
290static struct platform_device simpad_polled_keys = {
291 .name = "gpio-keys-polled",
292 .dev = {
293 .platform_data = &simpad_polled_keys_data,
294 },
295};
296
297/*
298 * GPIO LEDs
299 */
300
301static struct gpio_led simpad_leds[] = {
302 {
303 .name = "simpad:power",
304 .gpio = SIMPAD_CS3_LED2_ON,
305 .active_low = 0,
306 .default_trigger = "default-on",
307 },
308};
309
310static struct gpio_led_platform_data simpad_led_data = {
311 .num_leds = ARRAY_SIZE(simpad_leds),
312 .leds = simpad_leds,
313};
314
315static struct platform_device simpad_gpio_leds = {
316 .name = "leds-gpio",
317 .id = 0,
318 .dev = {
319 .platform_data = &simpad_led_data,
320 },
321};
322
323/*
324 * i2c
325 */
326static struct i2c_gpio_platform_data simpad_i2c_data = {
327 .sda_pin = GPIO_GPIO21,
328 .scl_pin = GPIO_GPIO25,
329 .udelay = 10,
330 .timeout = HZ,
331};
332
333static struct platform_device simpad_i2c = {
334 .name = "i2c-gpio",
335 .id = 0,
336 .dev = {
337 .platform_data = &simpad_i2c_data,
338 },
339};
340
341/*
342 * MediaQ Video Device
343 */
344static struct platform_device simpad_mq200fb = {
345 .name = "simpad-mq200",
346 .id = 0,
347};
348
349static struct platform_device *devices[] __initdata = {
350 &simpad_keys,
351 &simpad_polled_keys,
352 &simpad_mq200fb,
353 &simpad_gpio_leds,
354 &simpad_i2c,
355};
356
357
358
359static int __init simpad_init(void)
360{
361 int ret;
362
363 spin_lock_init(&cs3_lock);
364
365 cs3_gpio.label = "simpad_cs3";
366 cs3_gpio.base = SIMPAD_CS3_GPIO_BASE;
367 cs3_gpio.ngpio = 24;
368 cs3_gpio.set = cs3_gpio_set;
369 cs3_gpio.get = cs3_gpio_get;
370 cs3_gpio.direction_input = cs3_gpio_direction_input;
371 cs3_gpio.direction_output = cs3_gpio_direction_output;
372 ret = gpiochip_add_data(&cs3_gpio, NULL);
373 if (ret)
374 printk(KERN_WARNING "simpad: Unable to register cs3 GPIO device");
375
376 pm_power_off = simpad_power_off;
377
378 sa11x0_ppc_configure_mcp();
379 sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
380 ARRAY_SIZE(simpad_flash_resources));
381 sa11x0_register_mcp(&simpad_mcp_data);
382
383 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
384 if(ret)
385 printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device");
386
387 return 0;
388}
389
390arch_initcall(simpad_init);
391
392
393MACHINE_START(SIMPAD, "Simpad")
394 /* Maintainer: Holger Freyther */
395 .atag_offset = 0x100,
396 .map_io = simpad_map_io,
397 .nr_irqs = SA1100_NR_IRQS,
398 .init_irq = sa1100_init_irq,
399 .init_late = sa11x0_init_late,
400 .init_time = sa1100_timer_init,
401 .restart = sa11x0_restart,
402MACHINE_END
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * linux/arch/arm/mach-sa1100/simpad.c
4 */
5
6#include <linux/module.h>
7#include <linux/gpio/machine.h>
8#include <linux/init.h>
9#include <linux/kernel.h>
10#include <linux/tty.h>
11#include <linux/proc_fs.h>
12#include <linux/string.h>
13#include <linux/pm.h>
14#include <linux/platform_data/sa11x0-serial.h>
15#include <linux/platform_device.h>
16#include <linux/mfd/ucb1x00.h>
17#include <linux/mtd/mtd.h>
18#include <linux/mtd/partitions.h>
19#include <linux/io.h>
20#include <linux/gpio/driver.h>
21
22#include <mach/hardware.h>
23#include <asm/setup.h>
24#include <asm/irq.h>
25
26#include <asm/mach-types.h>
27#include <asm/mach/arch.h>
28#include <asm/mach/flash.h>
29#include <asm/mach/map.h>
30#include <linux/platform_data/mfd-mcp-sa11x0.h>
31#include <mach/simpad.h>
32#include <mach/irqs.h>
33
34#include <linux/serial_core.h>
35#include <linux/ioport.h>
36#include <linux/input.h>
37#include <linux/gpio_keys.h>
38#include <linux/leds.h>
39#include <linux/platform_data/i2c-gpio.h>
40
41#include "generic.h"
42
43/*
44 * CS3 support
45 */
46
47static long cs3_shadow;
48static spinlock_t cs3_lock;
49static struct gpio_chip cs3_gpio;
50
51long simpad_get_cs3_ro(void)
52{
53 return readl(CS3_BASE);
54}
55EXPORT_SYMBOL(simpad_get_cs3_ro);
56
57long simpad_get_cs3_shadow(void)
58{
59 return cs3_shadow;
60}
61EXPORT_SYMBOL(simpad_get_cs3_shadow);
62
63static void __simpad_write_cs3(void)
64{
65 writel(cs3_shadow, CS3_BASE);
66}
67
68void simpad_set_cs3_bit(int value)
69{
70 unsigned long flags;
71
72 spin_lock_irqsave(&cs3_lock, flags);
73 cs3_shadow |= value;
74 __simpad_write_cs3();
75 spin_unlock_irqrestore(&cs3_lock, flags);
76}
77EXPORT_SYMBOL(simpad_set_cs3_bit);
78
79void simpad_clear_cs3_bit(int value)
80{
81 unsigned long flags;
82
83 spin_lock_irqsave(&cs3_lock, flags);
84 cs3_shadow &= ~value;
85 __simpad_write_cs3();
86 spin_unlock_irqrestore(&cs3_lock, flags);
87}
88EXPORT_SYMBOL(simpad_clear_cs3_bit);
89
90static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
91{
92 if (offset > 15)
93 return;
94 if (value)
95 simpad_set_cs3_bit(1 << offset);
96 else
97 simpad_clear_cs3_bit(1 << offset);
98};
99
100static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset)
101{
102 if (offset > 15)
103 return !!(simpad_get_cs3_ro() & (1 << (offset - 16)));
104 return !!(simpad_get_cs3_shadow() & (1 << offset));
105};
106
107static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset)
108{
109 if (offset > 15)
110 return 0;
111 return -EINVAL;
112};
113
114static int cs3_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
115 int value)
116{
117 if (offset > 15)
118 return -EINVAL;
119 cs3_gpio_set(chip, offset, value);
120 return 0;
121};
122
123static struct map_desc simpad_io_desc[] __initdata = {
124 { /* MQ200 */
125 .virtual = 0xf2800000,
126 .pfn = __phys_to_pfn(0x4b800000),
127 .length = 0x00800000,
128 .type = MT_DEVICE
129 }, { /* Simpad CS3 */
130 .virtual = (unsigned long)CS3_BASE,
131 .pfn = __phys_to_pfn(SA1100_CS3_PHYS),
132 .length = 0x00100000,
133 .type = MT_DEVICE
134 },
135};
136
137
138static void simpad_uart_pm(struct uart_port *port, u_int state, u_int oldstate)
139{
140 if (port->mapbase == (u_int)&Ser1UTCR0) {
141 if (state)
142 {
143 simpad_clear_cs3_bit(RS232_ON);
144 simpad_clear_cs3_bit(DECT_POWER_ON);
145 }else
146 {
147 simpad_set_cs3_bit(RS232_ON);
148 simpad_set_cs3_bit(DECT_POWER_ON);
149 }
150 }
151}
152
153static struct sa1100_port_fns simpad_port_fns __initdata = {
154 .pm = simpad_uart_pm,
155};
156
157
158static struct mtd_partition simpad_partitions[] = {
159 {
160 .name = "SIMpad boot firmware",
161 .size = 0x00080000,
162 .offset = 0,
163 .mask_flags = MTD_WRITEABLE,
164 }, {
165 .name = "SIMpad kernel",
166 .size = 0x0010000,
167 .offset = MTDPART_OFS_APPEND,
168 }, {
169 .name = "SIMpad root jffs2",
170 .size = MTDPART_SIZ_FULL,
171 .offset = MTDPART_OFS_APPEND,
172 }
173};
174
175static struct flash_platform_data simpad_flash_data = {
176 .map_name = "cfi_probe",
177 .parts = simpad_partitions,
178 .nr_parts = ARRAY_SIZE(simpad_partitions),
179};
180
181
182static struct resource simpad_flash_resources [] = {
183 DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_16M),
184 DEFINE_RES_MEM(SA1100_CS1_PHYS, SZ_16M),
185};
186
187static struct ucb1x00_plat_data simpad_ucb1x00_data = {
188 .gpio_base = SIMPAD_UCB1X00_GPIO_BASE,
189};
190
191static struct mcp_plat_data simpad_mcp_data = {
192 .mccr0 = MCCR0_ADM,
193 .sclk_rate = 11981000,
194 .codec_pdata = &simpad_ucb1x00_data,
195};
196
197
198
199static void __init simpad_map_io(void)
200{
201 sa1100_map_io();
202
203 iotable_init(simpad_io_desc, ARRAY_SIZE(simpad_io_desc));
204
205 /* Initialize CS3 */
206 cs3_shadow = (EN1 | EN0 | LED2_ON | DISPLAY_ON |
207 RS232_ON | ENABLE_5V | RESET_SIMCARD | DECT_POWER_ON);
208 __simpad_write_cs3(); /* Spinlocks not yet initialized */
209
210 sa1100_register_uart_fns(&simpad_port_fns);
211 sa1100_register_uart(0, 3); /* serial interface */
212 sa1100_register_uart(1, 1); /* DECT */
213
214 // Reassign UART 1 pins
215 GAFR |= GPIO_UART_TXD | GPIO_UART_RXD;
216 GPDR |= GPIO_UART_TXD | GPIO_LDD13 | GPIO_LDD15;
217 GPDR &= ~GPIO_UART_RXD;
218 PPAR |= PPAR_UPR;
219
220 /*
221 * Set up registers for sleep mode.
222 */
223
224
225 PWER = PWER_GPIO0| PWER_RTC;
226 PGSR = 0x818;
227 PCFR = 0;
228 PSDR = 0;
229
230}
231
232static void simpad_power_off(void)
233{
234 local_irq_disable();
235 cs3_shadow = SD_MEDIAQ;
236 __simpad_write_cs3(); /* Bypass spinlock here */
237
238 /* disable internal oscillator, float CS lines */
239 PCFR = (PCFR_OPDE | PCFR_FP | PCFR_FS);
240 /* enable wake-up on GPIO0 */
241 PWER = GFER = GRER = PWER_GPIO0;
242 /*
243 * set scratchpad to zero, just in case it is used as a
244 * restart address by the bootloader.
245 */
246 PSPR = 0;
247 PGSR = 0;
248 /* enter sleep mode */
249 PMCR = PMCR_SF;
250 while(1);
251
252 local_irq_enable(); /* we won't ever call it */
253
254
255}
256
257/*
258 * gpio_keys
259*/
260
261static struct gpio_keys_button simpad_button_table[] = {
262 { KEY_POWER, IRQ_GPIO_POWER_BUTTON, 1, "power button" },
263};
264
265static struct gpio_keys_platform_data simpad_keys_data = {
266 .buttons = simpad_button_table,
267 .nbuttons = ARRAY_SIZE(simpad_button_table),
268};
269
270static struct platform_device simpad_keys = {
271 .name = "gpio-keys",
272 .dev = {
273 .platform_data = &simpad_keys_data,
274 },
275};
276
277static struct gpio_keys_button simpad_polled_button_table[] = {
278 { KEY_PROG1, SIMPAD_UCB1X00_GPIO_PROG1, 1, "prog1 button" },
279 { KEY_PROG2, SIMPAD_UCB1X00_GPIO_PROG2, 1, "prog2 button" },
280 { KEY_UP, SIMPAD_UCB1X00_GPIO_UP, 1, "up button" },
281 { KEY_DOWN, SIMPAD_UCB1X00_GPIO_DOWN, 1, "down button" },
282 { KEY_LEFT, SIMPAD_UCB1X00_GPIO_LEFT, 1, "left button" },
283 { KEY_RIGHT, SIMPAD_UCB1X00_GPIO_RIGHT, 1, "right button" },
284};
285
286static struct gpio_keys_platform_data simpad_polled_keys_data = {
287 .buttons = simpad_polled_button_table,
288 .nbuttons = ARRAY_SIZE(simpad_polled_button_table),
289 .poll_interval = 50,
290};
291
292static struct platform_device simpad_polled_keys = {
293 .name = "gpio-keys-polled",
294 .dev = {
295 .platform_data = &simpad_polled_keys_data,
296 },
297};
298
299/*
300 * GPIO LEDs
301 */
302
303static struct gpio_led simpad_leds[] = {
304 {
305 .name = "simpad:power",
306 .gpio = SIMPAD_CS3_LED2_ON,
307 .active_low = 0,
308 .default_trigger = "default-on",
309 },
310};
311
312static struct gpio_led_platform_data simpad_led_data = {
313 .num_leds = ARRAY_SIZE(simpad_leds),
314 .leds = simpad_leds,
315};
316
317static struct platform_device simpad_gpio_leds = {
318 .name = "leds-gpio",
319 .id = 0,
320 .dev = {
321 .platform_data = &simpad_led_data,
322 },
323};
324
325/*
326 * i2c
327 */
328static struct gpiod_lookup_table simpad_i2c_gpiod_table = {
329 .dev_id = "i2c-gpio.0",
330 .table = {
331 GPIO_LOOKUP_IDX("gpio", 21, NULL, 0,
332 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
333 GPIO_LOOKUP_IDX("gpio", 25, NULL, 1,
334 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
335 },
336};
337
338static struct i2c_gpio_platform_data simpad_i2c_data = {
339 .udelay = 10,
340 .timeout = HZ,
341};
342
343static struct platform_device simpad_i2c = {
344 .name = "i2c-gpio",
345 .id = 0,
346 .dev = {
347 .platform_data = &simpad_i2c_data,
348 },
349};
350
351/*
352 * MediaQ Video Device
353 */
354static struct platform_device simpad_mq200fb = {
355 .name = "simpad-mq200",
356 .id = 0,
357};
358
359static struct platform_device *devices[] __initdata = {
360 &simpad_keys,
361 &simpad_polled_keys,
362 &simpad_mq200fb,
363 &simpad_gpio_leds,
364 &simpad_i2c,
365};
366
367/* Compact Flash */
368static struct gpiod_lookup_table simpad_cf_gpio_table = {
369 .dev_id = "sa11x0-pcmcia",
370 .table = {
371 GPIO_LOOKUP("gpio", GPIO_CF_IRQ, "cf-ready", GPIO_ACTIVE_HIGH),
372 GPIO_LOOKUP("gpio", GPIO_CF_CD, "cf-detect", GPIO_ACTIVE_HIGH),
373 { },
374 },
375};
376
377
378static int __init simpad_init(void)
379{
380 int ret;
381
382 spin_lock_init(&cs3_lock);
383
384 cs3_gpio.label = "simpad_cs3";
385 cs3_gpio.base = SIMPAD_CS3_GPIO_BASE;
386 cs3_gpio.ngpio = 24;
387 cs3_gpio.set = cs3_gpio_set;
388 cs3_gpio.get = cs3_gpio_get;
389 cs3_gpio.direction_input = cs3_gpio_direction_input;
390 cs3_gpio.direction_output = cs3_gpio_direction_output;
391 ret = gpiochip_add_data(&cs3_gpio, NULL);
392 if (ret)
393 printk(KERN_WARNING "simpad: Unable to register cs3 GPIO device");
394
395 pm_power_off = simpad_power_off;
396
397 sa11x0_register_pcmcia(-1, &simpad_cf_gpio_table);
398 sa11x0_ppc_configure_mcp();
399 sa11x0_register_mtd(&simpad_flash_data, simpad_flash_resources,
400 ARRAY_SIZE(simpad_flash_resources));
401 sa11x0_register_mcp(&simpad_mcp_data);
402
403 gpiod_add_lookup_table(&simpad_i2c_gpiod_table);
404 ret = platform_add_devices(devices, ARRAY_SIZE(devices));
405 if(ret)
406 printk(KERN_WARNING "simpad: Unable to register mq200 framebuffer device");
407
408 return 0;
409}
410
411arch_initcall(simpad_init);
412
413
414MACHINE_START(SIMPAD, "Simpad")
415 /* Maintainer: Holger Freyther */
416 .atag_offset = 0x100,
417 .map_io = simpad_map_io,
418 .nr_irqs = SA1100_NR_IRQS,
419 .init_irq = sa1100_init_irq,
420 .init_late = sa11x0_init_late,
421 .init_time = sa1100_timer_init,
422 .restart = sa11x0_restart,
423MACHINE_END