diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.35/022-add-n526-board-support.patch')
-rw-r--r-- | target/linux/xburst/patches-2.6.35/022-add-n526-board-support.patch | 365 |
1 files changed, 0 insertions, 365 deletions
diff --git a/target/linux/xburst/patches-2.6.35/022-add-n526-board-support.patch b/target/linux/xburst/patches-2.6.35/022-add-n526-board-support.patch deleted file mode 100644 index 2c9da7d514..0000000000 --- a/target/linux/xburst/patches-2.6.35/022-add-n526-board-support.patch +++ /dev/null @@ -1,365 +0,0 @@ -From 7c51f9f9bab723d2cf7ea458ea459cc392a753f7 Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Sat, 24 Apr 2010 17:25:23 +0200 -Subject: [PATCH] Add n526 board support - ---- - arch/mips/jz4740/Kconfig | 4 + - arch/mips/jz4740/Makefile | 1 + - arch/mips/jz4740/board-n526.c | 327 +++++++++++++++++++++++++++++++++++++++++ - 3 files changed, 332 insertions(+), 0 deletions(-) - create mode 100644 arch/mips/jz4740/board-n526.c - ---- a/arch/mips/jz4740/Kconfig -+++ b/arch/mips/jz4740/Kconfig -@@ -10,6 +10,10 @@ config JZ4740_N516 - bool "Hanvon n516 eBook reader" - select SOC_JZ4740 - -+config JZ4740_N526 -+ bool "Hanvon n526 eBook reader" -+ select SOC_JZ4740 -+ - endchoice - - config HAVE_PWM ---- a/arch/mips/jz4740/Makefile -+++ b/arch/mips/jz4740/Makefile -@@ -13,6 +13,7 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs. - - obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o - obj-$(CONFIG_JZ4740_N516) += board-n516.o board-n516-display.o -+obj-$(CONFIG_JZ4740_N526) += board-n526.o - - # PM support - ---- /dev/null -+++ b/arch/mips/jz4740/board-n526.c -@@ -0,0 +1,327 @@ -+/* -+ * Copyright (C) 2009, Lars-Peter Clausen <lars@metafoo.de> -+ * N526 eBook reader support -+ * -+ * 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. -+ * -+ * You should have received a copy of the GNU General Public License along -+ * with this program; if not, write to the Free Software Foundation, Inc., -+ * 675 Mass Ave, Cambridge, MA 02139, USA. -+ * -+ */ -+ -+#include <linux/kernel.h> -+#include <linux/init.h> -+#include <linux/gpio.h> -+ -+ -+#include <linux/power_supply.h> -+ -+#include <video/broadsheetfb.h> -+#include <linux/delay.h> -+#include <linux/interrupt.h> -+ -+#include <linux/input.h> -+#include <linux/gpio_keys.h> -+ -+#include <linux/i2c.h> -+#include <linux/i2c-gpio.h> -+ -+#include "clock.h" -+ -+#include <asm/mach-jz4740/jz4740_mmc.h> -+#include <asm/mach-jz4740/jz4740_nand.h> -+#include <asm/mach-jz4740/jz4740_fb.h> -+ -+#include <asm/mach-jz4740/platform.h> -+ -+/* NAND */ -+static struct nand_ecclayout n526_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 mtd_partition n526_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 = 16 * 0x100000, -+ .size = 498 * 0x100000, -+ }, -+}; -+ -+static struct jz_nand_platform_data n526_nand_pdata = { -+ .ecc_layout = &n526_ecclayout, -+ .partitions = n526_partitions, -+ .num_partitions = ARRAY_SIZE(n526_partitions), -+ .busy_gpio = 94, -+}; -+ -+static struct jz4740_mmc_platform_data n526_mmc_pdata = { -+ .gpio_card_detect = JZ_GPIO_PORTD(7), -+ .card_detect_active_low = 1, -+ .gpio_read_only = -1, -+ .gpio_power = JZ_GPIO_PORTD(17), -+ .power_active_low = 1, -+}; -+ -+static struct gpio_led n526_leds[] = { -+ { -+ .name = "n526:blue:power", -+ .gpio = JZ_GPIO_PORTD(28), -+ .default_state = LEDS_GPIO_DEFSTATE_ON, -+ } -+}; -+ -+static struct gpio_led_platform_data n526_leds_pdata = { -+ .leds = n526_leds, -+ .num_leds = ARRAY_SIZE(n526_leds), -+}; -+ -+static struct platform_device n526_leds_device = { -+ .name = "leds-gpio", -+ .id = -1, -+ .dev = { -+ .platform_data = &n526_leds_pdata, -+ }, -+}; -+ -+static void __init board_gpio_setup(void) -+{ -+ /* We only need to enable/disable pullup here for pins used in generic -+ * drivers. Everything else is done by the drivers themselfs. */ -+ jz_gpio_disable_pullup(JZ_GPIO_PORTD(17)); -+ jz_gpio_enable_pullup(JZ_GPIO_PORTD(7)); -+ jz_gpio_disable_pullup(JZ_GPIO_PORTC(19)); -+ jz_gpio_disable_pullup(JZ_GPIO_PORTC(20)); -+ jz_gpio_disable_pullup(JZ_GPIO_PORTC(21)); -+ jz_gpio_disable_pullup(JZ_GPIO_PORTC(23)); -+} -+ -+ -+static const int n526_eink_ctrl_gpios[] = { -+ 0, -+ JZ_GPIO_PORTC(23), -+ JZ_GPIO_PORTC(19), -+ JZ_GPIO_PORTC(20), -+}; -+ -+static void n526_eink_set_ctl(struct broadsheetfb_par * par, unsigned char ctrl, u8 -+value) -+{ -+ gpio_set_value(n526_eink_ctrl_gpios[ctrl], value); -+} -+ -+ -+static int n526_eink_wait(struct broadsheetfb_par *par) -+{ -+ wait_event(par->waitq, gpio_get_value(JZ_GPIO_PORTB(17))); -+ -+ return 0; -+} -+ -+static u16 n526_eink_get_hdb(struct broadsheetfb_par *par) -+{ -+ u16 value = 0; -+ jz_gpio_port_direction_input(JZ_GPIO_PORTC(0), 0xffff); -+ gpio_set_value(JZ_GPIO_PORTC(21), 0); -+ mdelay(100); -+ -+ value = jz_gpio_port_get_value(JZ_GPIO_PORTC(0), 0xffff); -+ -+ gpio_set_value(JZ_GPIO_PORTC(21), 1); -+ jz_gpio_port_direction_output(JZ_GPIO_PORTC(0), 0xffff); -+ return value; -+} -+ -+static void n526_eink_set_hdb(struct broadsheetfb_par *par, u16 value) -+{ -+ jz_gpio_port_set_value(JZ_GPIO_PORTC(0), value, 0xffff); -+} -+ -+static int n526_eink_init(struct broadsheetfb_par *par) -+{ -+ int i; -+ -+ gpio_request(JZ_GPIO_PORTD(1), "display reset"); -+ gpio_direction_output(JZ_GPIO_PORTD(1), 1); -+ mdelay(10); -+ gpio_set_value(JZ_GPIO_PORTD(1), 0); -+ -+ gpio_request(JZ_GPIO_PORTB(18), "eink enable"); -+ gpio_direction_output(JZ_GPIO_PORTB(18), 0); -+ -+ gpio_request(JZ_GPIO_PORTB(29), "foobar"); -+ gpio_direction_output(JZ_GPIO_PORTB(29), 1); -+ -+ for(i = 1; i < ARRAY_SIZE(n526_eink_ctrl_gpios); ++i) { -+ gpio_request(n526_eink_ctrl_gpios[i], "eink display ctrl"); -+ gpio_direction_output(n526_eink_ctrl_gpios[i], 0); -+ } -+ -+ gpio_request(JZ_GPIO_PORTC(22), "foobar"); -+ gpio_direction_input(JZ_GPIO_PORTC(22)); -+ gpio_request(JZ_GPIO_PORTC(21), "eink nRD"); -+ gpio_direction_output(JZ_GPIO_PORTC(21), 1); -+ -+ for(i = 0; i < 16; ++i) { -+ gpio_request(JZ_GPIO_PORTC(i), "eink display data"); -+ } -+ jz_gpio_port_direction_output(JZ_GPIO_PORTC(0), 0xffff); -+ -+ gpio_set_value(JZ_GPIO_PORTB(18), 1); -+ -+ return 0; -+} -+ -+static irqreturn_t n526_eink_busy_irq(int irq, void *devid) -+{ -+ struct broadsheetfb_par *par = devid; -+ wake_up(&par->waitq); -+ -+ return IRQ_HANDLED; -+} -+ -+static int n526_eink_setup_irq(struct fb_info *info) -+{ -+ int ret; -+ struct broadsheetfb_par *par = info->par; -+ -+ gpio_request(JZ_GPIO_PORTB(17), "eink busy"); -+ gpio_direction_input(JZ_GPIO_PORTB(17)); -+ -+ ret = request_irq(gpio_to_irq(JZ_GPIO_PORTB(17)), n526_eink_busy_irq, -+ IRQF_DISABLED | IRQF_TRIGGER_RISING, -+ "eink busyline", par); -+ if (ret) -+ printk("n526 display: Failed to request busyline irq: %d\n", ret); -+ return 0; -+} -+ -+static void n526_eink_cleanup(struct broadsheetfb_par *par) -+{ -+} -+ -+static struct broadsheet_board broadsheet_pdata = { -+ .owner = THIS_MODULE, -+ .init = n526_eink_init, -+ .wait_for_rdy = n526_eink_wait, -+ .set_ctl = n526_eink_set_ctl, -+ .set_hdb = n526_eink_set_hdb, -+ .get_hdb = n526_eink_get_hdb, -+ .cleanup = n526_eink_cleanup, -+ .setup_irq = n526_eink_setup_irq, -+}; -+ -+static struct platform_device n526_broadsheet_device = { -+ .name = "broadsheetfb", -+ .id = -1, -+ .dev = { -+ .platform_data = &broadsheet_pdata, -+ }, -+}; -+ -+static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = { -+ [0] = { -+ .code = KEY_ENTER, -+ .gpio = 0, -+ .active_low = 1, -+ .desc = "Power", -+ }, -+}; -+ -+static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = { -+ .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons), -+ .buttons = qi_lb60_gpio_keys_buttons, -+}; -+ -+static struct platform_device qi_lb60_gpio_keys = { -+ .name = "gpio-keys", -+ .id = -1, -+ .dev = { -+ .platform_data = &qi_lb60_gpio_keys_data, -+ } -+}; -+ -+static struct i2c_gpio_platform_data n526_i2c_pdata = { -+ .sda_pin = JZ_GPIO_PORTD(23), -+ .scl_pin = JZ_GPIO_PORTD(24), -+ .udelay = 2, -+ .timeout = 3 * HZ, -+}; -+ -+static struct platform_device n526_i2c_device = { -+ .name = "i2c-gpio", -+ .id = -1, -+ .dev = { -+ .platform_data = &n526_i2c_pdata, -+ }, -+}; -+ -+static struct i2c_board_info n526_i2c_board_info = { -+ .type = "n526-lpc", -+ .addr = 0x54, -+}; -+ -+static struct platform_device *jz_platform_devices[] __initdata = { -+ &jz4740_usb_ohci_device, -+ &jz4740_udc_device, -+ &jz4740_mmc_device, -+ &jz4740_nand_device, -+ &jz4740_i2s_device, -+ &jz4740_codec_device, -+ &jz4740_rtc_device, -+ &n526_leds_device, -+ &n526_broadsheet_device, -+ &qi_lb60_gpio_keys, -+ &n526_i2c_device, -+}; -+ -+static int __init n526_init_platform_devices(void) -+{ -+ -+ jz4740_nand_device.dev.platform_data = &n526_nand_pdata; -+ jz4740_mmc_device.dev.platform_data = &n526_mmc_pdata; -+ -+ n526_i2c_board_info.irq = gpio_to_irq(JZ_GPIO_PORTD(14)), -+ i2c_register_board_info(0, &n526_i2c_board_info, 1); -+ -+ return platform_add_devices(jz_platform_devices, -+ ARRAY_SIZE(jz_platform_devices)); -+ -+} -+ -+struct jz4740_clock_board_data jz4740_clock_bdata = { -+ .ext_rate = 12000000, -+ .rtc_rate = 32768, -+}; -+ -+static int __init n526_board_setup(void) -+{ -+ board_gpio_setup(); -+ -+ if (n526_init_platform_devices()) -+ panic("Failed to initalize platform devices\n"); -+ -+ return 0; -+} -+arch_initcall(n526_board_setup); |