mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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703 lines
18 KiB
Diff
703 lines
18 KiB
Diff
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From 49f148f79887cec83c4b051c104072d770a6a9af Mon Sep 17 00:00:00 2001
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From: Lars-Peter Clausen <lars@metafoo.de>
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Date: Sat, 24 Apr 2010 17:25:01 +0200
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Subject: [PATCH] Add n516 board support
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---
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arch/mips/include/asm/mach-jz4740/board-n516.h | 39 +++
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arch/mips/jz4740/Kconfig | 4 +
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arch/mips/jz4740/Makefile | 1 +
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arch/mips/jz4740/board-n516-display.c | 393 ++++++++++++++++++++++++
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arch/mips/jz4740/board-n516.c | 206 +++++++++++++
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5 files changed, 643 insertions(+), 0 deletions(-)
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create mode 100644 arch/mips/include/asm/mach-jz4740/board-n516.h
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create mode 100644 arch/mips/jz4740/board-n516-display.c
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create mode 100644 arch/mips/jz4740/board-n516.c
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diff --git a/arch/mips/include/asm/mach-jz4740/board-n516.h b/arch/mips/include/asm/mach-jz4740/board-n516.h
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new file mode 100644
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index 0000000..f3f1e0a
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--- /dev/null
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+++ b/arch/mips/include/asm/mach-jz4740/board-n516.h
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@@ -0,0 +1,39 @@
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+/*
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+ * linux/include/asm-mips/mach-jz4740/board-n516.h
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+ *
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+ * JZ4730-based N516 board definition.
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+ *
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+ * Copyright (C) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; either version 2 of the License, or
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+ * (at your option) any later version.
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+ */
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+
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+#ifndef __ASM_JZ4740_N516_H__
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+#define __ASM_JZ4740_N516_H__
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+
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+#include <asm/mach-jz4740/gpio.h>
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+
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+/*
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+ * GPIO
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+ */
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+#define GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(17)
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+#define GPIO_SD_CD_N JZ_GPIO_PORTD(7)
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+#define GPIO_SD_WP JZ_GPIO_PORTD(15)
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+#define GPIO_USB_DETECT JZ_GPIO_PORTD(19)
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+#define GPIO_CHARG_STAT_N JZ_GPIO_PORTD(16)
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+#define GPIO_LED_ENABLE JZ_GPIO_PORTD(28)
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+#define GPIO_LPC_INT JZ_GPIO_PORTD(14)
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+#define GPIO_HPHONE_DETECT JZ_GPIO_PORTD(20)
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+#define GPIO_SPEAKER_ENABLE JZ_GPIO_PORTD(21)
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+
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+/* Display */
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+#define GPIO_DISPLAY_RST_L JZ_GPIO_PORTB(18)
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+#define GPIO_DISPLAY_RDY JZ_GPIO_PORTB(17)
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+#define GPIO_DISPLAY_STBY JZ_GPIO_PORTC(22)
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+#define GPIO_DISPLAY_ERR JZ_GPIO_PORTC(23)
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+#define GPIO_DISPLAY_OFF JZ_GPIO_PORTD(1)
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+
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+#endif /* __ASM_JZ4740_N516_H__ */
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diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
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index 3de3b99..b987c27 100644
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--- a/arch/mips/jz4740/Kconfig
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+++ b/arch/mips/jz4740/Kconfig
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@@ -7,6 +7,10 @@ config JZ4740_QI_LB60
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bool "Qi Hardware Ben NanoNote"
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select SOC_JZ4740
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+config JZ4740_N516
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+ bool "Hanvon n516 eBook reader"
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+ select SOC_JZ4740
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+
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endchoice
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config HAVE_PWM
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diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
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index deca88e..9ed5e5b 100644
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--- a/arch/mips/jz4740/Makefile
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+++ b/arch/mips/jz4740/Makefile
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@@ -12,6 +12,7 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o
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# board specific support
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obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o
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+obj-$(CONFIG_JZ4740_N516) += board-n516.o board-n516-display.o
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# PM support
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diff --git a/arch/mips/jz4740/board-n516-display.c b/arch/mips/jz4740/board-n516-display.c
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new file mode 100644
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index 0000000..44d8237
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--- /dev/null
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+++ b/arch/mips/jz4740/board-n516-display.c
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@@ -0,0 +1,393 @@
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+/*
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+ * board-n516-display.c -- Platform device for N516 display
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+ *
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+ * Copyright (C) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
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+ *
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+ * This file is subject to the terms and conditions of the GNU General Public
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+ * License. See the file COPYING in the main directory of this archive for
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+ * more details.
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+ */
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+
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+#include <linux/module.h>
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+#include <linux/kernel.h>
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+#include <linux/errno.h>
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+#include <linux/string.h>
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+#include <linux/delay.h>
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+#include <linux/interrupt.h>
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+#include <linux/fb.h>
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+#include <linux/init.h>
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+#include <linux/platform_device.h>
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+#include <linux/irq.h>
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+#include <linux/gpio.h>
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+#include <linux/jz4740_fb.h>
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+
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+#include <asm/mach-jz4740/platform.h>
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+#include <asm/mach-jz4740/board-n516.h>
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+
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+#include <video/metronomefb.h>
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+#include <linux/console.h>
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+
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+static struct fb_videomode n516_fb_modes[] = {
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+ [0] = {
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+ .name = "Metronome 800x600",
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+ .refresh = 50,
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+ .xres = 400,
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+ .yres = 624,
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+ .hsync_len = 31,
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+ .vsync_len = 23,
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+ .right_margin = 31,
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+ .left_margin = 5,
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+ .upper_margin = 1,
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+ .lower_margin = 2,
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+ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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+ },
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+};
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+
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+static struct jz4740_fb_platform_data n516_fb_pdata = {
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+ .num_modes = ARRAY_SIZE(n516_fb_modes),
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+ .modes = n516_fb_modes,
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+ .bpp = 16,
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+ .lcd_type = JZ_LCD_TYPE_GENERIC_16_BIT,
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+};
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+
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+struct n516_board_info {
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+ uint8_t *metromem;
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+ size_t wfm_size;
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+ struct fb_info *host_fbinfo; /* the host LCD controller's fbi */
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+ unsigned int fw;
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+ unsigned int fh;
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+};
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+
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+static struct platform_device *n516_device;
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+static struct n516_board_info n516_board_info;
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+
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+static int metronome_gpios[] = {
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+ GPIO_DISPLAY_STBY,
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+ GPIO_DISPLAY_RST_L,
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+ GPIO_DISPLAY_RDY,
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+ GPIO_DISPLAY_ERR,
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+/* GPIO_DISPLAY_OFF,*/
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+};
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+
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+static const char *metronome_gpio_names[] = {
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+ "Metronome STDBY",
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+ "Metronome RST",
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+ "Metronome RDY",
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+ "Metronome ERR",
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+/* "Metronone OFF",*/
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+};
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+
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+static int n516_enable_hostfb(bool enable)
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+{
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+ int ret;
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+ int blank = enable ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
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+
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+ acquire_console_sem();
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+ ret = fb_blank(n516_board_info.host_fbinfo, blank);
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+ release_console_sem();
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+
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+ return ret;
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+}
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+
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+static int n516_init_metronome_gpios(struct metronomefb_par *par)
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+{
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+ int i;
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+ int ret;
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+
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+ for (i = 0; i < ARRAY_SIZE(metronome_gpios); ++i) {
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+ ret = gpio_request(metronome_gpios[i], metronome_gpio_names[i]);
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+ if (ret)
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+ goto err;
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+ }
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+
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+ gpio_direction_output(GPIO_DISPLAY_OFF, 0);
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+ gpio_direction_output(GPIO_DISPLAY_RST_L, 0);
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+ gpio_direction_output(GPIO_DISPLAY_STBY, 0);
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+ gpio_direction_input(GPIO_DISPLAY_RDY);
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+ gpio_direction_input(GPIO_DISPLAY_ERR);
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+
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+ return 0;
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+err:
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+ for (--i; i >= 0; --i)
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+ gpio_free(metronome_gpios[i]);
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+
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+ return ret;
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+}
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+
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+static int n516_share_video_mem(struct fb_info *info)
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+{
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+ int ret;
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+
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+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
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+ dev_dbg(&n516_device->dev, "%s, info->var.xres = %u, info->var.yres = %u\n", __func__, info->var.xres, info->var.yres);
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+ /* rough check if this is our desired fb and not something else */
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+ if ((info->var.xres != n516_fb_pdata.modes[0].xres)
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+ || (info->var.yres != n516_fb_pdata.modes[0].yres))
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+ return 0;
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+
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+ /* we've now been notified that we have our new fb */
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+ n516_board_info.metromem = info->screen_base;
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+ n516_board_info.host_fbinfo = info;
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+
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+ n516_enable_hostfb(false);
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+ /* try to refcount host drv since we are the consumer after this */
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+ if (!try_module_get(info->fbops->owner))
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+ return -ENODEV;
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+
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+ /* this _add binds metronomefb to n516. metronomefb refcounts n516 */
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+ ret = platform_device_add(n516_device);
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+
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+ if (ret) {
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+ platform_device_put(n516_device);
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+ return ret;
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+ }
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+
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+ /* request our platform independent driver */
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+ request_module("metronomefb");
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+
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+ return 0;
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+}
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+
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+static int n516_unshare_video_mem(struct fb_info *info)
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+{
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+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
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+
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+ if (info != n516_board_info.host_fbinfo)
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+ return 0;
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+
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+ module_put(n516_board_info.host_fbinfo->fbops->owner);
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+ return 0;
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+}
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+
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+static int n516_fb_notifier_callback(struct notifier_block *self,
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+ unsigned long event, void *data)
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+{
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+ struct fb_event *evdata = data;
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+ struct fb_info *info = evdata->info;
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+
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+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
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+
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+ if (event == FB_EVENT_FB_REGISTERED)
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+ return n516_share_video_mem(info);
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+ else if (event == FB_EVENT_FB_UNREGISTERED)
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+ return n516_unshare_video_mem(info);
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+
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+ return 0;
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+}
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+
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+static struct notifier_block n516_fb_notif = {
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+ .notifier_call = n516_fb_notifier_callback,
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+};
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+
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+/* this gets called as part of our init. these steps must be done now so
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+ * that we can use set_pxa_fb_info */
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+static void __init n516_presetup_fb(void)
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+{
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+ int padding_size;
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+ int totalsize;
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+
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+ /* the frame buffer is divided as follows:
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+ command | CRC | padding
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+ 16kb waveform data | CRC | padding
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+ image data | CRC
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+ */
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+
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+ n516_board_info.fw = 800;
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+ n516_board_info.fh = 624;
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+
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+ /* waveform must be 16k + 2 for checksum */
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+ n516_board_info.wfm_size = roundup(16*1024 + 2, n516_board_info.fw);
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+
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+ padding_size = PAGE_SIZE + (4 * n516_board_info.fw);
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+
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+ /* total is 1 cmd , 1 wfm, padding and image */
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+ totalsize = n516_board_info.fw + n516_board_info.wfm_size;
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+ totalsize += padding_size + (n516_board_info.fw*n516_board_info.fh);
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+
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+ /* save this off because we're manipulating fw after this and
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+ * we'll need it when we're ready to setup the framebuffer */
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+
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+ /* the reason we do this adjustment is because we want to acquire
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+ * more framebuffer memory without imposing custom awareness on the
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+ * underlying driver */
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+ n516_fb_pdata.modes[0].yres = DIV_ROUND_UP(totalsize, n516_board_info.fw);
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+
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+ jz4740_framebuffer_device.dev.platform_data = &n516_fb_pdata;
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+ platform_device_register(&jz4740_framebuffer_device);
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+}
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+
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+/* this gets called by metronomefb as part of its init, in our case, we
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+ * have already completed initial framebuffer init in presetup_fb so we
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+ * can just setup the fb access pointers */
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+static int n516_setup_fb(struct metronomefb_par *par)
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+{
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+ /* metromem was set up by the notifier in share_video_mem so now
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+ * we can use its value to calculate the other entries */
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+ par->metromem_cmd = (struct metromem_cmd *) n516_board_info.metromem;
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+ par->metromem_wfm = n516_board_info.metromem + n516_board_info.fw;
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+ par->metromem_img = par->metromem_wfm + n516_board_info.wfm_size;
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+ par->metromem_img_csum = (u16 *) (par->metromem_img + (n516_board_info.fw * n516_board_info.fh));
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+ par->metromem_dma = n516_board_info.host_fbinfo->fix.smem_start;
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+
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+ return 0;
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+}
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+
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+static int n516_get_panel_type(void)
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+{
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+ return 5;
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+}
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+
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+static irqreturn_t n516_handle_irq(int irq, void *dev_id)
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+{
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+ struct metronomefb_par *par = dev_id;
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+
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+ dev_dbg(&par->pdev->dev, "Metronome IRQ! RDY=%d\n", gpio_get_value(GPIO_DISPLAY_RDY));
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+ wake_up_all(&par->waitq);
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+
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+ return IRQ_HANDLED;
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+}
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+
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+static void n516_power_ctl(struct metronomefb_par *par, int cmd)
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+{
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+ switch (cmd) {
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+ case METRONOME_POWER_OFF:
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+ gpio_set_value(GPIO_DISPLAY_OFF, 1);
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+ n516_enable_hostfb(false);
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+ break;
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+ case METRONOME_POWER_ON:
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+ gpio_set_value(GPIO_DISPLAY_OFF, 0);
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+ n516_enable_hostfb(true);
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+ break;
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+ }
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+}
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+
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+static int n516_get_rdy(struct metronomefb_par *par)
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+{
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+ return gpio_get_value(GPIO_DISPLAY_RDY);
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+}
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+
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+static int n516_get_err(struct metronomefb_par *par)
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+{
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+ return gpio_get_value(GPIO_DISPLAY_ERR);
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+}
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+
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+static int n516_setup_irq(struct fb_info *info)
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+{
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+ int ret;
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+
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+ dev_dbg(&n516_device->dev, "ENTER %s\n", __func__);
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+
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+ ret = request_irq(gpio_to_irq(GPIO_DISPLAY_RDY), n516_handle_irq,
|
||
|
+ IRQF_TRIGGER_RISING,
|
||
|
+ "n516", info->par);
|
||
|
+ if (ret)
|
||
|
+ dev_err(&n516_device->dev, "request_irq failed: %d\n", ret);
|
||
|
+
|
||
|
+ return ret;
|
||
|
+}
|
||
|
+
|
||
|
+static void n516_set_rst(struct metronomefb_par *par, int state)
|
||
|
+{
|
||
|
+ dev_dbg(&n516_device->dev, "ENTER %s, RDY=%d\n", __func__, gpio_get_value(GPIO_DISPLAY_RDY));
|
||
|
+ if (state)
|
||
|
+ gpio_set_value(GPIO_DISPLAY_RST_L, 1);
|
||
|
+ else
|
||
|
+ gpio_set_value(GPIO_DISPLAY_RST_L, 0);
|
||
|
+}
|
||
|
+
|
||
|
+static void n516_set_stdby(struct metronomefb_par *par, int state)
|
||
|
+{
|
||
|
+ dev_dbg(&n516_device->dev, "ENTER %s, RDY=%d\n", __func__, gpio_get_value(GPIO_DISPLAY_RDY));
|
||
|
+ if (state)
|
||
|
+ gpio_set_value(GPIO_DISPLAY_STBY, 1);
|
||
|
+ else
|
||
|
+ gpio_set_value(GPIO_DISPLAY_STBY, 0);
|
||
|
+}
|
||
|
+
|
||
|
+static int n516_wait_event(struct metronomefb_par *par)
|
||
|
+{
|
||
|
+ unsigned long timeout = jiffies + HZ / 20;
|
||
|
+
|
||
|
+ dev_dbg(&n516_device->dev, "ENTER1 %s, RDY=%d\n",
|
||
|
+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
|
||
|
+ while (n516_get_rdy(par) && time_before(jiffies, timeout))
|
||
|
+ schedule();
|
||
|
+
|
||
|
+ dev_dbg(&n516_device->dev, "ENTER2 %s, RDY=%d\n",
|
||
|
+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
|
||
|
+ return wait_event_timeout(par->waitq,
|
||
|
+ n516_get_rdy(par), HZ * 2) ? 0 : -EIO;
|
||
|
+}
|
||
|
+
|
||
|
+static int n516_wait_event_intr(struct metronomefb_par *par)
|
||
|
+{
|
||
|
+ unsigned long timeout = jiffies + HZ/20;
|
||
|
+
|
||
|
+ dev_dbg(&n516_device->dev, "ENTER1 %s, RDY=%d\n",
|
||
|
+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
|
||
|
+ while (n516_get_rdy(par) && time_before(jiffies, timeout))
|
||
|
+ schedule();
|
||
|
+
|
||
|
+ dev_dbg(&n516_device->dev, "ENTER2 %s, RDY=%d\n",
|
||
|
+ __func__, gpio_get_value(GPIO_DISPLAY_RDY));
|
||
|
+ return wait_event_interruptible_timeout(par->waitq,
|
||
|
+ n516_get_rdy(par), HZ * 2) ? 0 : -EIO;
|
||
|
+}
|
||
|
+
|
||
|
+static void n516_cleanup(struct metronomefb_par *par)
|
||
|
+{
|
||
|
+ int i;
|
||
|
+
|
||
|
+ free_irq(gpio_to_irq(GPIO_DISPLAY_RDY), par);
|
||
|
+ for (i = 0; i < ARRAY_SIZE(metronome_gpios); ++i)
|
||
|
+ gpio_free(metronome_gpios[i]);
|
||
|
+}
|
||
|
+
|
||
|
+static struct metronome_board n516_board __initdata = {
|
||
|
+ .owner = THIS_MODULE,
|
||
|
+ .power_ctl = n516_power_ctl,
|
||
|
+ .setup_irq = n516_setup_irq,
|
||
|
+ .setup_io = n516_init_metronome_gpios,
|
||
|
+ .setup_fb = n516_setup_fb,
|
||
|
+ .set_rst = n516_set_rst,
|
||
|
+ .get_err = n516_get_err,
|
||
|
+ .get_rdy = n516_get_rdy,
|
||
|
+ .set_stdby = n516_set_stdby,
|
||
|
+ .met_wait_event = n516_wait_event,
|
||
|
+ .met_wait_event_intr = n516_wait_event_intr,
|
||
|
+ .get_panel_type = n516_get_panel_type,
|
||
|
+ .cleanup = n516_cleanup,
|
||
|
+};
|
||
|
+
|
||
|
+static int __init n516_init(void)
|
||
|
+{
|
||
|
+ int ret;
|
||
|
+
|
||
|
+ /* Keep the metronome off, until its driver is loaded */
|
||
|
+ ret = gpio_request(GPIO_DISPLAY_OFF, "Display off");
|
||
|
+ if (ret)
|
||
|
+ return ret;
|
||
|
+
|
||
|
+ gpio_direction_output(GPIO_DISPLAY_OFF, 1);
|
||
|
+
|
||
|
+ /* before anything else, we request notification for any fb
|
||
|
+ * creation events */
|
||
|
+ fb_register_client(&n516_fb_notif);
|
||
|
+
|
||
|
+ n516_device = platform_device_alloc("metronomefb", -1);
|
||
|
+ if (!n516_device)
|
||
|
+ return -ENOMEM;
|
||
|
+
|
||
|
+ /* the n516_board that will be seen by metronomefb is a copy */
|
||
|
+ platform_device_add_data(n516_device, &n516_board,
|
||
|
+ sizeof(n516_board));
|
||
|
+
|
||
|
+ n516_presetup_fb();
|
||
|
+
|
||
|
+ return 0;
|
||
|
+}
|
||
|
+module_init(n516_init);
|
||
|
+
|
||
|
+MODULE_DESCRIPTION("board driver for n516 display");
|
||
|
+MODULE_AUTHOR("Yauhen Kharuzhy");
|
||
|
+MODULE_LICENSE("GPL");
|
||
|
diff --git a/arch/mips/jz4740/board-n516.c b/arch/mips/jz4740/board-n516.c
|
||
|
new file mode 100644
|
||
|
index 0000000..efb8747
|
||
|
--- /dev/null
|
||
|
+++ b/arch/mips/jz4740/board-n516.c
|
||
|
@@ -0,0 +1,206 @@
|
||
|
+/*
|
||
|
+ * linux/arch/mips/jz4740/board-516.c
|
||
|
+ *
|
||
|
+ * JZ4740 n516 board setup routines.
|
||
|
+ *
|
||
|
+ * Copyright (c) 2009, Yauhen Kharuzhy <jekhor@gmail.com>
|
||
|
+ *
|
||
|
+ * This program is free software; you can redistribute it and/or modify
|
||
|
+ * it under the terms of the GNU General Public License as published by
|
||
|
+ * the Free Software Foundation; either version 2 of the License, or
|
||
|
+ * (at your option) any later version.
|
||
|
+ */
|
||
|
+
|
||
|
+#include <linux/init.h>
|
||
|
+#include <linux/sched.h>
|
||
|
+#include <linux/ioport.h>
|
||
|
+#include <linux/mm.h>
|
||
|
+#include <linux/console.h>
|
||
|
+#include <linux/delay.h>
|
||
|
+#include <linux/i2c.h>
|
||
|
+#include <linux/platform_device.h>
|
||
|
+#include <linux/mtd/mtd.h>
|
||
|
+#include <linux/mmc/jz4740_mmc.h>
|
||
|
+#include <linux/mtd/jz4740_nand.h>
|
||
|
+#include <linux/leds.h>
|
||
|
+
|
||
|
+#include <linux/power_supply.h>
|
||
|
+#include <linux/power/gpio-charger.h>
|
||
|
+
|
||
|
+#include <linux/i2c.h>
|
||
|
+#include <linux/i2c-gpio.h>
|
||
|
+
|
||
|
+#include <asm/mach-jz4740/board-n516.h>
|
||
|
+#include <asm/mach-jz4740/platform.h>
|
||
|
+
|
||
|
+#include "clock.h"
|
||
|
+
|
||
|
+static long n516_panic_blink(long time)
|
||
|
+{
|
||
|
+ gpio_set_value(GPIO_LED_ENABLE, 1);
|
||
|
+ mdelay(200);
|
||
|
+ gpio_set_value(GPIO_LED_ENABLE, 0);
|
||
|
+ mdelay(200);
|
||
|
+
|
||
|
+ return 400;
|
||
|
+}
|
||
|
+
|
||
|
+static void __init board_gpio_setup(void)
|
||
|
+{
|
||
|
+/* jz_gpio_enable_pullup(JZ_GPIO_PORTD(23));
|
||
|
+ jz_gpio_enable_pullup(JZ_GPIO_PORTD(24));*/
|
||
|
+}
|
||
|
+
|
||
|
+static struct i2c_gpio_platform_data n516_i2c_pdata = {
|
||
|
+ .sda_pin = JZ_GPIO_PORTD(23),
|
||
|
+ .scl_pin = JZ_GPIO_PORTD(24),
|
||
|
+ .udelay = 2,
|
||
|
+ .timeout = 3 * HZ,
|
||
|
+};
|
||
|
+
|
||
|
+static struct platform_device n516_i2c_device = {
|
||
|
+ .name = "i2c-gpio",
|
||
|
+ .id = -1,
|
||
|
+ .dev = {
|
||
|
+ .platform_data = &n516_i2c_pdata,
|
||
|
+ },
|
||
|
+};
|
||
|
+
|
||
|
+static const struct i2c_board_info n516_i2c_board_info[] = {
|
||
|
+ {
|
||
|
+ .type = "LPC524",
|
||
|
+ .addr = 0x54,
|
||
|
+ },
|
||
|
+ {
|
||
|
+ .type = "lm75a",
|
||
|
+ .addr = 0x48,
|
||
|
+ }
|
||
|
+};
|
||
|
+
|
||
|
+static struct jz4740_mmc_platform_data n516_mmc_pdata = {
|
||
|
+ .gpio_card_detect = GPIO_SD_CD_N,
|
||
|
+ .card_detect_active_low = 1,
|
||
|
+ .gpio_read_only = -1,
|
||
|
+ .gpio_power = GPIO_SD_VCC_EN_N,
|
||
|
+ .power_active_low = 1,
|
||
|
+};
|
||
|
+
|
||
|
+static struct gpio_led n516_leds[] = {
|
||
|
+ {
|
||
|
+ .name = "n516:blue:power",
|
||
|
+ .gpio = GPIO_LED_ENABLE,
|
||
|
+ .default_state = LEDS_GPIO_DEFSTATE_ON,
|
||
|
+ .default_trigger = "nand-disk",
|
||
|
+ }
|
||
|
+};
|
||
|
+
|
||
|
+static struct gpio_led_platform_data n516_leds_pdata = {
|
||
|
+ .leds = n516_leds,
|
||
|
+ .num_leds = ARRAY_SIZE(n516_leds),
|
||
|
+};
|
||
|
+
|
||
|
+static struct platform_device n516_leds_device = {
|
||
|
+ .name = "leds-gpio",
|
||
|
+ .id = -1,
|
||
|
+ .dev = {
|
||
|
+ .platform_data = &n516_leds_pdata,
|
||
|
+ },
|
||
|
+};
|
||
|
+
|
||
|
+static struct mtd_partition n516_partitions[] = {
|
||
|
+ { .name = "NAND BOOT partition",
|
||
|
+ .offset = 0 * 0x100000,
|
||
|
+ .size = 4 * 0x100000,
|
||
|
+ },
|
||
|
+ { .name = "NAND KERNEL partition",
|
||
|
+ .offset = 4 * 0x100000,
|
||
|
+ .size = 4 * 0x100000,
|
||
|
+ },
|
||
|
+ { .name = "NAND ROOTFS partition",
|
||
|
+ .offset = 8 * 0x100000,
|
||
|
+ .size = 504 * 0x100000,
|
||
|
+ },
|
||
|
+};
|
||
|
+
|
||
|
+static struct nand_ecclayout n516_ecclayout = {
|
||
|
+ .eccbytes = 36,
|
||
|
+ .eccpos = {
|
||
|
+ 6, 7, 8, 9, 10, 11, 12, 13, 14,
|
||
|
+ 15, 16, 17, 18, 19, 20, 21, 22, 23,
|
||
|
+ 24, 25, 26, 27, 28, 29, 30, 31, 32,
|
||
|
+ 33, 34, 35, 36, 37, 38, 39, 40, 41,
|
||
|
+ },
|
||
|
+ .oobfree = {
|
||
|
+ {
|
||
|
+ .offset = 2,
|
||
|
+ .length = 4
|
||
|
+ },
|
||
|
+ {
|
||
|
+ .offset = 42,
|
||
|
+ .length = 22,
|
||
|
+ }
|
||
|
+ }
|
||
|
+};
|
||
|
+
|
||
|
+static struct jz_nand_platform_data n516_nand_pdata = {
|
||
|
+ .ecc_layout = &n516_ecclayout,
|
||
|
+ .partitions = n516_partitions,
|
||
|
+ .num_partitions = ARRAY_SIZE(n516_partitions),
|
||
|
+ .busy_gpio = 94,
|
||
|
+};
|
||
|
+
|
||
|
+static char *n516_batteries[] = {
|
||
|
+ "n516_battery",
|
||
|
+};
|
||
|
+
|
||
|
+static struct gpio_charger_platform_data n516_charger_pdata = {
|
||
|
+ .name = "usb",
|
||
|
+ .type = POWER_SUPPLY_TYPE_USB,
|
||
|
+ .gpio = GPIO_USB_DETECT,
|
||
|
+ .gpio_active_low = 1,
|
||
|
+ .batteries = n516_batteries,
|
||
|
+ .num_batteries = ARRAY_SIZE(n516_batteries),
|
||
|
+};
|
||
|
+
|
||
|
+static struct platform_device n516_charger_device = {
|
||
|
+ .name = "gpio-charger",
|
||
|
+ .dev = {
|
||
|
+ .platform_data = &n516_charger_pdata,
|
||
|
+ },
|
||
|
+};
|
||
|
+
|
||
|
+static struct platform_device *n516_devices[] __initdata = {
|
||
|
+ &jz4740_nand_device,
|
||
|
+ &n516_leds_device,
|
||
|
+ &jz4740_mmc_device,
|
||
|
+ &jz4740_i2s_device,
|
||
|
+ &jz4740_codec_device,
|
||
|
+ &jz4740_rtc_device,
|
||
|
+ &jz4740_usb_gdt_device,
|
||
|
+ &n516_i2c_device,
|
||
|
+ &n516_charger_device,
|
||
|
+};
|
||
|
+
|
||
|
+struct jz4740_clock_board_data jz4740_clock_bdata = {
|
||
|
+ .ext_rate = 12000000,
|
||
|
+ .rtc_rate = 32768,
|
||
|
+};
|
||
|
+
|
||
|
+extern int jz_gpiolib_init(void);
|
||
|
+
|
||
|
+static int n516_setup_platform(void)
|
||
|
+{
|
||
|
+ if (jz_gpiolib_init())
|
||
|
+ panic("Failed to initalize jz gpio\n");
|
||
|
+
|
||
|
+ jz4740_clock_init();
|
||
|
+ board_gpio_setup();
|
||
|
+
|
||
|
+ panic_blink = n516_panic_blink;
|
||
|
+ i2c_register_board_info(0, n516_i2c_board_info, ARRAY_SIZE(n516_i2c_board_info));
|
||
|
+ jz4740_mmc_device.dev.platform_data = &n516_mmc_pdata;
|
||
|
+ jz4740_nand_device.dev.platform_data = &n516_nand_pdata;
|
||
|
+
|
||
|
+ return platform_add_devices(n516_devices, ARRAY_SIZE(n516_devices));
|
||
|
+}
|
||
|
+arch_initcall(n516_setup_platform);
|
||
|
--
|
||
|
1.5.6.5
|
||
|
|