[ARM] pxa/z2: Fix flash layout typo
[deliverable/linux.git] / arch / arm / mach-pxa / balloon3.c
CommitLineData
2a23ec36
JM
1/*
2 * linux/arch/arm/mach-pxa/balloon3.c
3 *
4 * Support for Balloonboard.org Balloon3 board.
5 *
6 * Author: Nick Bane, Wookey, Jonathan McDowell
7 * Created: June, 2006
8 * Copyright: Toby Churchill Ltd
9 * Derived from mainstone.c, by Nico Pitre
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#include <linux/init.h>
17#include <linux/platform_device.h>
18#include <linux/sysdev.h>
19#include <linux/interrupt.h>
20#include <linux/sched.h>
21#include <linux/bitops.h>
22#include <linux/fb.h>
23#include <linux/gpio.h>
24#include <linux/ioport.h>
25#include <linux/mtd/mtd.h>
26#include <linux/mtd/partitions.h>
27#include <linux/types.h>
28
29#include <asm/setup.h>
30#include <asm/mach-types.h>
31#include <asm/irq.h>
32#include <asm/sizes.h>
33
34#include <asm/mach/arch.h>
35#include <asm/mach/map.h>
36#include <asm/mach/irq.h>
37#include <asm/mach/flash.h>
38
39#include <mach/pxa27x.h>
40#include <mach/balloon3.h>
41#include <mach/audio.h>
42#include <mach/pxafb.h>
43#include <mach/mmc.h>
44#include <mach/udc.h>
45#include <mach/pxa27x-udc.h>
46#include <mach/irda.h>
47#include <mach/ohci.h>
48
49#include <plat/i2c.h>
50
51#include "generic.h"
52#include "devices.h"
53
54static unsigned long balloon3_irq_enabled;
55
56static unsigned long balloon3_features_present =
57 (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
58 (1 << BALLOON3_FEATURE_AUDIO) |
59 (1 << BALLOON3_FEATURE_TOPPOLY);
60
61int balloon3_has(enum balloon3_features feature)
62{
63 return (balloon3_features_present & (1 << feature)) ? 1 : 0;
64}
65EXPORT_SYMBOL_GPL(balloon3_has);
66
67int __init parse_balloon3_features(char *arg)
68{
69 if (!arg)
70 return 0;
71
72 return strict_strtoul(arg, 0, &balloon3_features_present);
73}
74early_param("balloon3_features", parse_balloon3_features);
75
76static void balloon3_mask_irq(unsigned int irq)
77{
78 int balloon3_irq = (irq - BALLOON3_IRQ(0));
79 balloon3_irq_enabled &= ~(1 << balloon3_irq);
80 __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
81}
82
83static void balloon3_unmask_irq(unsigned int irq)
84{
85 int balloon3_irq = (irq - BALLOON3_IRQ(0));
86 balloon3_irq_enabled |= (1 << balloon3_irq);
87 __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
88}
89
90static struct irq_chip balloon3_irq_chip = {
91 .name = "FPGA",
92 .ack = balloon3_mask_irq,
93 .mask = balloon3_mask_irq,
94 .unmask = balloon3_unmask_irq,
95};
96
97static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
98{
99 unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
100 balloon3_irq_enabled;
101
102 do {
103 /* clear useless edge notification */
104 if (desc->chip->ack)
105 desc->chip->ack(BALLOON3_AUX_NIRQ);
106 while (pending) {
107 irq = BALLOON3_IRQ(0) + __ffs(pending);
108 generic_handle_irq(irq);
109 pending &= pending - 1;
110 }
111 pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
112 balloon3_irq_enabled;
113 } while (pending);
114}
115
116static void __init balloon3_init_irq(void)
117{
118 int irq;
119
120 pxa27x_init_irq();
121 /* setup extra Balloon3 irqs */
122 for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
123 set_irq_chip(irq, &balloon3_irq_chip);
124 set_irq_handler(irq, handle_level_irq);
125 set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
126 }
127
128 set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
129 set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
130
131 pr_debug("%s: chained handler installed - irq %d automatically "
132 "enabled\n", __func__, BALLOON3_AUX_NIRQ);
133}
134
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135static unsigned long balloon3_ac97_pin_config[] = {
136 GPIO28_AC97_BITCLK,
137 GPIO29_AC97_SDATA_IN_0,
138 GPIO30_AC97_SDATA_OUT,
139 GPIO31_AC97_SYNC,
140 GPIO113_AC97_nRESET,
141};
142
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143static void balloon3_backlight_power(int on)
144{
145 pr_debug("%s: power is %s\n", __func__, on ? "on" : "off");
146 gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
147}
148
149static unsigned long balloon3_lcd_pin_config[] = {
150 /* LCD - 16bpp Active TFT */
bedbda97 151 GPIOxx_LCD_TFT_16BPP,
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152
153 GPIO99_GPIO, /* Backlight */
154};
155
156static struct pxafb_mode_info balloon3_lcd_modes[] = {
157 {
158 .pixclock = 38000,
159 .xres = 480,
160 .yres = 640,
161 .bpp = 16,
162 .hsync_len = 8,
163 .left_margin = 8,
164 .right_margin = 8,
165 .vsync_len = 2,
166 .upper_margin = 4,
167 .lower_margin = 5,
168 .sync = 0,
169 },
170};
171
172static struct pxafb_mach_info balloon3_pxafb_info = {
173 .modes = balloon3_lcd_modes,
174 .num_modes = ARRAY_SIZE(balloon3_lcd_modes),
175 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
176 .pxafb_backlight_power = balloon3_backlight_power,
177};
178
179static unsigned long balloon3_mmc_pin_config[] = {
180 GPIO32_MMC_CLK,
181 GPIO92_MMC_DAT_0,
182 GPIO109_MMC_DAT_1,
183 GPIO110_MMC_DAT_2,
184 GPIO111_MMC_DAT_3,
185 GPIO112_MMC_CMD,
186};
187
188static void balloon3_mci_setpower(struct device *dev, unsigned int vdd)
189{
190 struct pxamci_platform_data *p_d = dev->platform_data;
191
192 if ((1 << vdd) & p_d->ocr_mask) {
193 pr_debug("%s: on\n", __func__);
194 /* FIXME something to prod here? */
195 } else {
196 pr_debug("%s: off\n", __func__);
197 /* FIXME something to prod here? */
198 }
199}
200
201static struct pxamci_platform_data balloon3_mci_platform_data = {
202 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
203 .setpower = balloon3_mci_setpower,
204};
205
206static int balloon3_udc_is_connected(void)
207{
208 pr_debug("%s: udc connected\n", __func__);
209 return 1;
210}
211
212static void balloon3_udc_command(int cmd)
213{
214 switch (cmd) {
215 case PXA2XX_UDC_CMD_CONNECT:
216 UP2OCR |= (UP2OCR_DPPUE + UP2OCR_DPPUBE);
217 pr_debug("%s: connect\n", __func__);
218 break;
219 case PXA2XX_UDC_CMD_DISCONNECT:
220 UP2OCR &= ~UP2OCR_DPPUE;
221 pr_debug("%s: disconnect\n", __func__);
222 break;
223 }
224}
225
226static struct pxa2xx_udc_mach_info balloon3_udc_info = {
227 .udc_is_connected = balloon3_udc_is_connected,
228 .udc_command = balloon3_udc_command,
229};
230
231static struct pxaficp_platform_data balloon3_ficp_platform_data = {
232 .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
233};
234
235static unsigned long balloon3_ohci_pin_config[] = {
236 GPIO88_USBH1_PWR,
237 GPIO89_USBH1_PEN,
238};
239
240static struct pxaohci_platform_data balloon3_ohci_platform_data = {
241 .port_mode = PMM_PERPORT_MODE,
242 .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
243};
244
245static unsigned long balloon3_pin_config[] __initdata = {
246 /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
247 GPIO42_BTUART_RXD,
248 GPIO43_BTUART_TXD,
249 GPIO44_BTUART_CTS,
250 GPIO45_BTUART_RTS,
251
252 /* Wakeup GPIO */
253 GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
254
255 /* NAND & IDLE LED GPIOs */
256 GPIO9_GPIO,
257 GPIO10_GPIO,
258};
259
260static struct gpio_led balloon3_gpio_leds[] = {
261 {
262 .name = "balloon3:green:idle",
263 .default_trigger = "heartbeat",
264 .gpio = BALLOON3_GPIO_LED_IDLE,
265 .active_low = 1,
266 },
267 {
268 .name = "balloon3:green:nand",
269 .default_trigger = "nand-disk",
270 .gpio = BALLOON3_GPIO_LED_NAND,
271 .active_low = 1,
272 },
273};
274
275static struct gpio_led_platform_data balloon3_gpio_leds_platform_data = {
276 .leds = balloon3_gpio_leds,
277 .num_leds = ARRAY_SIZE(balloon3_gpio_leds),
278};
279
280static struct platform_device balloon3led_device = {
281 .name = "leds-gpio",
282 .id = -1,
283 .dev = {
284 .platform_data = &balloon3_gpio_leds_platform_data,
285 },
286};
287
288static void __init balloon3_init(void)
289{
290 pr_info("Initialising Balloon3\n");
291
292 /* system bus arbiter setting
293 * - Core_Park
294 * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
295 */
296 ARB_CNTRL = ARB_CORE_PARK | 0x234;
297
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298 pxa_set_ffuart_info(NULL);
299 pxa_set_btuart_info(NULL);
300 pxa_set_stuart_info(NULL);
301
2a23ec36 302 pxa_set_i2c_info(NULL);
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EM
303 if (balloon3_has(BALLOON3_FEATURE_AUDIO)) {
304 pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config));
2a23ec36 305 pxa_set_ac97_info(NULL);
c11b6a42 306 }
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JM
307
308 if (balloon3_has(BALLOON3_FEATURE_TOPPOLY)) {
309 pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config));
310 gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT,
311 "LCD Backlight Power");
312 gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
313 set_pxa_fb_info(&balloon3_pxafb_info);
314 }
315
316 if (balloon3_has(BALLOON3_FEATURE_MMC)) {
317 pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config));
318 pxa_set_mci_info(&balloon3_mci_platform_data);
319 }
320 pxa_set_ficp_info(&balloon3_ficp_platform_data);
321 if (balloon3_has(BALLOON3_FEATURE_OHCI)) {
322 pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ohci_pin_config));
323 pxa_set_ohci_info(&balloon3_ohci_platform_data);
324 }
325 pxa_set_udc_info(&balloon3_udc_info);
326
327 pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
328
329 platform_device_register(&balloon3led_device);
330}
331
332static struct map_desc balloon3_io_desc[] __initdata = {
333 { /* CPLD/FPGA */
334 .virtual = BALLOON3_FPGA_VIRT,
335 .pfn = __phys_to_pfn(BALLOON3_FPGA_PHYS),
336 .length = BALLOON3_FPGA_LENGTH,
337 .type = MT_DEVICE,
338 },
339};
340
341static void __init balloon3_map_io(void)
342{
343 pxa_map_io();
344 iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
345}
346
347MACHINE_START(BALLOON3, "Balloon3")
348 /* Maintainer: Nick Bane. */
349 .phys_io = 0x40000000,
350 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
351 .map_io = balloon3_map_io,
352 .init_irq = balloon3_init_irq,
353 .timer = &pxa_timer,
354 .init_machine = balloon3_init,
355 .boot_params = PHYS_OFFSET + 0x100,
356MACHINE_END
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