Root/target/linux/xburst/patches-2.6.37/006-add-n516-board-support.patch

1From fc2b1daf842a1b98472699fdddc8c12ce344bbd7 Mon Sep 17 00:00:00 2001
2From: Lars-Peter Clausen <lars@metafoo.de>
3Date: Sat, 24 Apr 2010 17:25:01 +0200
4Subject: [PATCH 06/23] Add n516 board support
5
6---
7 arch/mips/include/asm/mach-jz4740/board-n516.h | 39 +++
8 arch/mips/jz4740/Kconfig | 4 +
9 arch/mips/jz4740/Makefile | 1 +
10 arch/mips/jz4740/board-n516-display.c | 394 ++++++++++++++++++++++++
11 arch/mips/jz4740/board-n516.c | 182 +++++++++++
12 5 files changed, 620 insertions(+), 0 deletions(-)
13 create mode 100644 arch/mips/include/asm/mach-jz4740/board-n516.h
14 create mode 100644 arch/mips/jz4740/board-n516-display.c
15 create mode 100644 arch/mips/jz4740/board-n516.c
16
17--- /dev/null
18+++ b/arch/mips/include/asm/mach-jz4740/board-n516.h
19@@ -0,0 +1,39 @@
20+/*
21+ * linux/include/asm-mips/mach-jz4740/board-n516.h
22+ *
23+ * JZ4730-based N516 board definition.
24+ *
25+ * Copyright (C) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
26+ *
27+ * This program is free software; you can redistribute it and/or modify
28+ * it under the terms of the GNU General Public License as published by
29+ * the Free Software Foundation; either version 2 of the License, or
30+ * (at your option) any later version.
31+ */
32+
33+#ifndef __ASM_JZ4740_N516_H__
34+#define __ASM_JZ4740_N516_H__
35+
36+#include <asm/mach-jz4740/gpio.h>
37+
38+/*
39+ * GPIO
40+ */
41+#define GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(17)
42+#define GPIO_SD_CD_N JZ_GPIO_PORTD(7)
43+#define GPIO_SD_WP JZ_GPIO_PORTD(15)
44+#define GPIO_USB_DETECT JZ_GPIO_PORTD(19)
45+#define GPIO_CHARG_STAT_N JZ_GPIO_PORTD(16)
46+#define GPIO_LED_ENABLE JZ_GPIO_PORTD(28)
47+#define GPIO_LPC_INT JZ_GPIO_PORTD(14)
48+#define GPIO_HPHONE_DETECT JZ_GPIO_PORTD(20)
49+#define GPIO_SPEAKER_ENABLE JZ_GPIO_PORTD(21)
50+
51+/* Display */
52+#define GPIO_DISPLAY_RST_L JZ_GPIO_PORTB(18)
53+#define GPIO_DISPLAY_RDY JZ_GPIO_PORTB(17)
54+#define GPIO_DISPLAY_STBY JZ_GPIO_PORTC(22)
55+#define GPIO_DISPLAY_ERR JZ_GPIO_PORTC(23)
56+#define GPIO_DISPLAY_OFF_N JZ_GPIO_PORTD(1)
57+
58+#endif /* __ASM_JZ4740_N516_H__ */
59--- a/arch/mips/jz4740/Kconfig
60+++ b/arch/mips/jz4740/Kconfig
61@@ -6,6 +6,10 @@ choice
62 config JZ4740_QI_LB60
63     bool "Qi Hardware Ben NanoNote"
64 
65+config JZ4740_N516
66+ bool "Hanvon n516 eBook reader"
67+ select SOC_JZ4740
68+
69 endchoice
70 
71 config HAVE_PWM
72--- a/arch/mips/jz4740/Makefile
73+++ b/arch/mips/jz4740/Makefile
74@@ -12,6 +12,7 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.
75 # board specific support
76 
77 obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o
78+obj-$(CONFIG_JZ4740_N516) += board-n516.o board-n516-display.o
79 
80 # PM support
81 
82--- /dev/null
83+++ b/arch/mips/jz4740/board-n516-display.c
84@@ -0,0 +1,394 @@
85+/*
86+ * board-n516-display.c -- Platform device for N516 display
87+ *
88+ * Copyright (C) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
89+ *
90+ * This file is subject to the terms and conditions of the GNU General Public
91+ * License. See the file COPYING in the main directory of this archive for
92+ * more details.
93+ */
94+
95+#include <linux/module.h>
96+#include <linux/kernel.h>
97+#include <linux/errno.h>
98+#include <linux/string.h>
99+#include <linux/delay.h>
100+#include <linux/interrupt.h>
101+#include <linux/fb.h>
102+#include <linux/init.h>
103+#include <linux/platform_device.h>
104+#include <linux/irq.h>
105+#include <linux/gpio.h>
106+
107+#include <asm/mach-jz4740/jz4740_fb.h>
108+
109+#include <asm/mach-jz4740/platform.h>
110+#include <asm/mach-jz4740/board-n516.h>
111+
112+#include <video/metronomefb.h>
113+#include <linux/console.h>
114+
115+static struct fb_videomode n516_fb_modes[] = {
116+ [0] = {
117+ .name = "Metronome 800x600",
118+ .refresh = 50,
119+ .xres = 400,
120+ .yres = 624,
121+ .hsync_len = 31,
122+ .vsync_len = 23,
123+ .right_margin = 31,
124+ .left_margin = 5,
125+ .upper_margin = 1,
126+ .lower_margin = 2,
127+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
128+ },
129+};
130+
131+static struct jz4740_fb_platform_data n516_fb_pdata = {
132+ .num_modes = ARRAY_SIZE(n516_fb_modes),
133+ .modes = n516_fb_modes,
134+ .bpp = 16,
135+ .lcd_type = JZ_LCD_TYPE_GENERIC_16_BIT,
136+};
137+
138+struct n516_board_info {
139+ uint8_t *metromem;
140+ size_t wfm_size;
141+ struct fb_info *host_fbinfo; /* the host LCD controller's fbi */
142+ unsigned int fw;
143+ unsigned int fh;
144+};
145+
146+static struct platform_device *n516_device;
147+static struct n516_board_info n516_board_info;
148+
149+static int metronome_gpios[] = {
150+ GPIO_DISPLAY_STBY,
151+ GPIO_DISPLAY_RST_L,
152+ GPIO_DISPLAY_RDY,
153+ GPIO_DISPLAY_ERR,
154+/* GPIO_DISPLAY_OFF_N,*/
155+};
156+
157+static const char *metronome_gpio_names[] = {
158+ "Metronome STDBY",
159+ "Metronome RST",
160+ "Metronome RDY",
161+ "Metronome ERR",
162+/* "Metronone OFF",*/
163+};
164+
165+static int n516_enable_hostfb(bool enable)
166+{
167+ int ret;
168+ int blank = enable ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
169+
170+ acquire_console_sem();
171+ ret = fb_blank(n516_board_info.host_fbinfo, blank);
172+ release_console_sem();
173+
174+ return ret;
175+}
176+
177+static int n516_init_metronome_gpios(struct metronomefb_par *par)
178+{
179+ int i;
180+ int ret;
181+
182+ for (i = 0; i < ARRAY_SIZE(metronome_gpios); ++i) {
183+ ret = gpio_request(metronome_gpios[i], metronome_gpio_names[i]);
184+ if (ret)
185+ goto err;
186+ }
187+
188+ gpio_direction_output(GPIO_DISPLAY_OFF_N, 0);
189+ gpio_direction_output(GPIO_DISPLAY_RST_L, 0);
190+ gpio_direction_output(GPIO_DISPLAY_STBY, 0);
191+ gpio_direction_input(GPIO_DISPLAY_RDY);
192+ gpio_direction_input(GPIO_DISPLAY_ERR);
193+
194+ return 0;
195+err:
196+ for (--i; i >= 0; --i)
197+ gpio_free(metronome_gpios[i]);
198+
199+ return ret;
200+}
201+
202+static int n516_share_video_mem(struct fb_info *info)
203+{
204+ int ret;
205+
206+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
207+ dev_dbg(&n516_device->dev, "%s, info->var.xres = %u, info->var.yres = %u\n", __func__, info->var.xres, info->var.yres);
208+ /* rough check if this is our desired fb and not something else */
209+ if ((info->var.xres != n516_fb_pdata.modes[0].xres)
210+ || (info->var.yres != n516_fb_pdata.modes[0].yres))
211+ return 0;
212+
213+ /* we've now been notified that we have our new fb */
214+ n516_board_info.metromem = info->screen_base;
215+ n516_board_info.host_fbinfo = info;
216+
217+ n516_enable_hostfb(false);
218+ /* try to refcount host drv since we are the consumer after this */
219+ if (!try_module_get(info->fbops->owner))
220+ return -ENODEV;
221+
222+ /* this _add binds metronomefb to n516. metronomefb refcounts n516 */
223+ ret = platform_device_add(n516_device);
224+
225+ if (ret) {
226+ platform_device_put(n516_device);
227+ return ret;
228+ }
229+
230+ /* request our platform independent driver */
231+ request_module("metronomefb");
232+
233+ return 0;
234+}
235+
236+static int n516_unshare_video_mem(struct fb_info *info)
237+{
238+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
239+
240+ if (info != n516_board_info.host_fbinfo)
241+ return 0;
242+
243+ module_put(n516_board_info.host_fbinfo->fbops->owner);
244+ return 0;
245+}
246+
247+static int n516_fb_notifier_callback(struct notifier_block *self,
248+ unsigned long event, void *data)
249+{
250+ struct fb_event *evdata = data;
251+ struct fb_info *info = evdata->info;
252+
253+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
254+
255+ if (event == FB_EVENT_FB_REGISTERED)
256+ return n516_share_video_mem(info);
257+ else if (event == FB_EVENT_FB_UNREGISTERED)
258+ return n516_unshare_video_mem(info);
259+
260+ return 0;
261+}
262+
263+static struct notifier_block n516_fb_notif = {
264+ .notifier_call = n516_fb_notifier_callback,
265+};
266+
267+/* this gets called as part of our init. these steps must be done now so
268+ * that we can use set_pxa_fb_info */
269+static void __init n516_presetup_fb(void)
270+{
271+ int padding_size;
272+ int totalsize;
273+
274+ /* the frame buffer is divided as follows:
275+ command | CRC | padding
276+ 16kb waveform data | CRC | padding
277+ image data | CRC
278+ */
279+
280+ n516_board_info.fw = 800;
281+ n516_board_info.fh = 624;
282+
283+ /* waveform must be 16k + 2 for checksum */
284+ n516_board_info.wfm_size = roundup(16*1024 + 2, n516_board_info.fw);
285+
286+ padding_size = PAGE_SIZE + (4 * n516_board_info.fw);
287+
288+ /* total is 1 cmd , 1 wfm, padding and image */
289+ totalsize = n516_board_info.fw + n516_board_info.wfm_size;
290+ totalsize += padding_size + (n516_board_info.fw*n516_board_info.fh);
291+
292+ /* save this off because we're manipulating fw after this and
293+ * we'll need it when we're ready to setup the framebuffer */
294+
295+ /* the reason we do this adjustment is because we want to acquire
296+ * more framebuffer memory without imposing custom awareness on the
297+ * underlying driver */
298+ n516_fb_pdata.modes[0].yres = DIV_ROUND_UP(totalsize, n516_board_info.fw);
299+
300+ jz4740_framebuffer_device.dev.platform_data = &n516_fb_pdata;
301+ platform_device_register(&jz4740_framebuffer_device);
302+}
303+
304+/* this gets called by metronomefb as part of its init, in our case, we
305+ * have already completed initial framebuffer init in presetup_fb so we
306+ * can just setup the fb access pointers */
307+static int n516_setup_fb(struct metronomefb_par *par)
308+{
309+ /* metromem was set up by the notifier in share_video_mem so now
310+ * we can use its value to calculate the other entries */
311+ par->metromem_cmd = (struct metromem_cmd *) n516_board_info.metromem;
312+ par->metromem_wfm = n516_board_info.metromem + n516_board_info.fw;
313+ par->metromem_img = par->metromem_wfm + n516_board_info.wfm_size;
314+ par->metromem_img_csum = (u16 *) (par->metromem_img + (n516_board_info.fw * n516_board_info.fh));
315+ par->metromem_dma = n516_board_info.host_fbinfo->fix.smem_start;
316+
317+ return 0;
318+}
319+
320+static int n516_get_panel_type(void)
321+{
322+ return 5;
323+}
324+
325+static irqreturn_t n516_handle_irq(int irq, void *dev_id)
326+{
327+ struct metronomefb_par *par = dev_id;
328+
329+ dev_dbg(&par->pdev->dev, "Metronome IRQ! RDY=%d\n", gpio_get_value(GPIO_DISPLAY_RDY));
330+ wake_up_all(&par->waitq);
331+
332+ return IRQ_HANDLED;
333+}
334+
335+static void n516_power_ctl(struct metronomefb_par *par, int cmd)
336+{
337+ switch (cmd) {
338+ case METRONOME_POWER_OFF:
339+ gpio_set_value(GPIO_DISPLAY_OFF_N, 1);
340+ n516_enable_hostfb(false);
341+ break;
342+ case METRONOME_POWER_ON:
343+ gpio_set_value(GPIO_DISPLAY_OFF_N, 0);
344+ n516_enable_hostfb(true);
345+ break;
346+ }
347+}
348+
349+static int n516_get_rdy(struct metronomefb_par *par)
350+{
351+ return gpio_get_value(GPIO_DISPLAY_RDY);
352+}
353+
354+static int n516_get_err(struct metronomefb_par *par)
355+{
356+ return gpio_get_value(GPIO_DISPLAY_ERR);
357+}
358+
359+static int n516_setup_irq(struct fb_info *info)
360+{
361+ int ret;
362+
363+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
364+
365+ ret = request_irq(gpio_to_irq(GPIO_DISPLAY_RDY), n516_handle_irq,
366+ IRQF_TRIGGER_RISING,
367+ "n516", info->par);
368+ if (ret)
369+ dev_err(&n516_device->dev, "request_irq failed: %d\n", ret);
370+
371+ return ret;
372+}
373+
374+static void n516_set_rst(struct metronomefb_par *par, int state)
375+{
376+ dev_dbg(&n516_device->dev, "ENTER %s, RDY=%d\n", __func__, gpio_get_value(GPIO_DISPLAY_RDY));
377+ if (state)
378+ gpio_set_value(GPIO_DISPLAY_RST_L, 1);
379+ else
380+ gpio_set_value(GPIO_DISPLAY_RST_L, 0);
381+}
382+
383+static void n516_set_stdby(struct metronomefb_par *par, int state)
384+{
385+ dev_dbg(&n516_device->dev, "ENTER %s, RDY=%d\n", __func__, gpio_get_value(GPIO_DISPLAY_RDY));
386+ if (state)
387+ gpio_set_value(GPIO_DISPLAY_STBY, 1);
388+ else
389+ gpio_set_value(GPIO_DISPLAY_STBY, 0);
390+}
391+
392+static int n516_wait_event(struct metronomefb_par *par)
393+{
394+ unsigned long timeout = jiffies + HZ / 20;
395+
396+ dev_dbg(&n516_device->dev, "ENTER1 %s, RDY=%d\n",
397+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
398+ while (n516_get_rdy(par) && time_before(jiffies, timeout))
399+ schedule();
400+
401+ dev_dbg(&n516_device->dev, "ENTER2 %s, RDY=%d\n",
402+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
403+ return wait_event_timeout(par->waitq,
404+ n516_get_rdy(par), HZ * 2) ? 0 : -EIO;
405+}
406+
407+static int n516_wait_event_intr(struct metronomefb_par *par)
408+{
409+ unsigned long timeout = jiffies + HZ/20;
410+
411+ dev_dbg(&n516_device->dev, "ENTER1 %s, RDY=%d\n",
412+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
413+ while (n516_get_rdy(par) && time_before(jiffies, timeout))
414+ schedule();
415+
416+ dev_dbg(&n516_device->dev, "ENTER2 %s, RDY=%d\n",
417+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
418+ return wait_event_interruptible_timeout(par->waitq,
419+ n516_get_rdy(par), HZ * 2) ? 0 : -EIO;
420+}
421+
422+static void n516_cleanup(struct metronomefb_par *par)
423+{
424+ int i;
425+
426+ free_irq(gpio_to_irq(GPIO_DISPLAY_RDY), par);
427+ for (i = 0; i < ARRAY_SIZE(metronome_gpios); ++i)
428+ gpio_free(metronome_gpios[i]);
429+}
430+
431+static struct metronome_board n516_board __initdata = {
432+ .owner = THIS_MODULE,
433+ .power_ctl = n516_power_ctl,
434+ .setup_irq = n516_setup_irq,
435+ .setup_io = n516_init_metronome_gpios,
436+ .setup_fb = n516_setup_fb,
437+ .set_rst = n516_set_rst,
438+ .get_err = n516_get_err,
439+ .get_rdy = n516_get_rdy,
440+ .set_stdby = n516_set_stdby,
441+ .met_wait_event = n516_wait_event,
442+ .met_wait_event_intr = n516_wait_event_intr,
443+ .get_panel_type = n516_get_panel_type,
444+ .cleanup = n516_cleanup,
445+};
446+
447+static int __init n516_init(void)
448+{
449+ int ret;
450+
451+ /* Keep the metronome off, until its driver is loaded */
452+ ret = gpio_request(GPIO_DISPLAY_OFF_N, "Display off");
453+ if (ret)
454+ return ret;
455+
456+ gpio_direction_output(GPIO_DISPLAY_OFF_N, 1);
457+
458+ /* before anything else, we request notification for any fb
459+ * creation events */
460+ fb_register_client(&n516_fb_notif);
461+
462+ n516_device = platform_device_alloc("metronomefb", -1);
463+ if (!n516_device)
464+ return -ENOMEM;
465+
466+ /* the n516_board that will be seen by metronomefb is a copy */
467+ platform_device_add_data(n516_device, &n516_board,
468+ sizeof(n516_board));
469+
470+ n516_presetup_fb();
471+
472+ return 0;
473+}
474+module_init(n516_init);
475+
476+MODULE_DESCRIPTION("board driver for n516 display");
477+MODULE_AUTHOR("Yauhen Kharuzhy");
478+MODULE_LICENSE("GPL");
479--- /dev/null
480+++ b/arch/mips/jz4740/board-n516.c
481@@ -0,0 +1,182 @@
482+/*
483+ * linux/arch/mips/jz4740/board-516.c
484+ *
485+ * JZ4740 n516 board setup routines.
486+ *
487+ * Copyright (c) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
488+ *
489+ * This program is free software; you can redistribute it and/or modify
490+ * it under the terms of the GNU General Public License as published by
491+ * the Free Software Foundation; either version 2 of the License, or
492+ * (at your option) any later version.
493+ */
494+
495+#include <linux/init.h>
496+#include <linux/sched.h>
497+#include <linux/ioport.h>
498+#include <linux/mm.h>
499+#include <linux/console.h>
500+#include <linux/delay.h>
501+#include <linux/i2c.h>
502+#include <linux/platform_device.h>
503+#include <linux/mtd/mtd.h>
504+#include <linux/leds.h>
505+
506+#include <linux/power_supply.h>
507+#include <linux/power/gpio-charger.h>
508+
509+#include <linux/i2c.h>
510+
511+#include <asm/mach-jz4740/jz4740_mmc.h>
512+#include <asm/mach-jz4740/jz4740_nand.h>
513+
514+#include <asm/mach-jz4740/board-n516.h>
515+#include <asm/mach-jz4740/platform.h>
516+
517+#include "clock.h"
518+
519+static long n516_panic_blink(int state)
520+{
521+ gpio_set_value(GPIO_LED_ENABLE, state ? 1 : 0);
522+ return 0;
523+}
524+
525+static void __init board_gpio_setup(void)
526+{
527+/* jz_gpio_enable_pullup(JZ_GPIO_PORTD(23));
528+ jz_gpio_enable_pullup(JZ_GPIO_PORTD(24));*/
529+}
530+
531+static const struct i2c_board_info n516_i2c_board_info[] = {
532+ {
533+ .type = "LPC524",
534+ .addr = 0x54,
535+ },
536+ {
537+ .type = "lm75a",
538+ .addr = 0x48,
539+ }
540+};
541+
542+static struct jz4740_mmc_platform_data n516_mmc_pdata = {
543+ .gpio_card_detect = GPIO_SD_CD_N,
544+ .card_detect_active_low = 1,
545+ .gpio_read_only = -1,
546+ .gpio_power = GPIO_SD_VCC_EN_N,
547+ .power_active_low = 1,
548+};
549+
550+static struct gpio_led n516_leds[] = {
551+ {
552+ .name = "n516:blue:power",
553+ .gpio = GPIO_LED_ENABLE,
554+ .default_state = LEDS_GPIO_DEFSTATE_ON,
555+ .default_trigger = "nand-disk",
556+ }
557+};
558+
559+static struct gpio_led_platform_data n516_leds_pdata = {
560+ .leds = n516_leds,
561+ .num_leds = ARRAY_SIZE(n516_leds),
562+};
563+
564+static struct platform_device n516_leds_device = {
565+ .name = "leds-gpio",
566+ .id = -1,
567+ .dev = {
568+ .platform_data = &n516_leds_pdata,
569+ },
570+};
571+
572+static struct mtd_partition n516_partitions[] = {
573+ { .name = "NAND BOOT partition",
574+ .offset = 0 * 0x100000,
575+ .size = 4 * 0x100000,
576+ },
577+ { .name = "NAND KERNEL partition",
578+ .offset = 4 * 0x100000,
579+ .size = 4 * 0x100000,
580+ },
581+ { .name = "NAND ROOTFS partition",
582+ .offset = 8 * 0x100000,
583+ .size = 504 * 0x100000,
584+ },
585+};
586+
587+static struct nand_ecclayout n516_ecclayout = {
588+ .eccbytes = 36,
589+ .eccpos = {
590+ 6, 7, 8, 9, 10, 11, 12, 13, 14,
591+ 15, 16, 17, 18, 19, 20, 21, 22, 23,
592+ 24, 25, 26, 27, 28, 29, 30, 31, 32,
593+ 33, 34, 35, 36, 37, 38, 39, 40, 41,
594+ },
595+ .oobfree = {
596+ {
597+ .offset = 2,
598+ .length = 4
599+ },
600+ {
601+ .offset = 42,
602+ .length = 22,
603+ }
604+ }
605+};
606+
607+static struct jz_nand_platform_data n516_nand_pdata = {
608+ .ecc_layout = &n516_ecclayout,
609+ .partitions = n516_partitions,
610+ .num_partitions = ARRAY_SIZE(n516_partitions),
611+ .busy_gpio = 94,
612+};
613+
614+static char *n516_batteries[] = {
615+ "n516_battery",
616+};
617+
618+static struct gpio_charger_platform_data n516_charger_pdata = {
619+ .name = "usb",
620+ .type = POWER_SUPPLY_TYPE_USB,
621+ .gpio = GPIO_USB_DETECT,
622+ .gpio_active_low = 1,
623+ .batteries = n516_batteries,
624+ .num_batteries = ARRAY_SIZE(n516_batteries),
625+};
626+
627+static struct platform_device n516_charger_device = {
628+ .name = "gpio-charger",
629+ .dev = {
630+ .platform_data = &n516_charger_pdata,
631+ },
632+};
633+
634+static struct platform_device *n516_devices[] __initdata = {
635+ &jz4740_nand_device,
636+ &n516_leds_device,
637+ &jz4740_mmc_device,
638+ &jz4740_i2s_device,
639+ &jz4740_codec_device,
640+ &jz4740_rtc_device,
641+ &jz4740_udc_device,
642+ &jz4740_i2c_device,
643+ &n516_charger_device,
644+};
645+
646+struct jz4740_clock_board_data jz4740_clock_bdata = {
647+ .ext_rate = 12000000,
648+ .rtc_rate = 32768,
649+};
650+
651+static int n516_setup_platform(void)
652+{
653+ jz4740_serial_device_register();
654+ board_gpio_setup();
655+
656+ panic_blink = n516_panic_blink;
657+ i2c_register_board_info(0, n516_i2c_board_info, ARRAY_SIZE(n516_i2c_board_info));
658+ jz4740_mmc_device.dev.platform_data = &n516_mmc_pdata;
659+ jz4740_nand_device.dev.platform_data = &n516_nand_pdata;
660+
661+ return platform_add_devices(n516_devices, ARRAY_SIZE(n516_devices));
662+}
663+arch_initcall(n516_setup_platform);
664

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