1
0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-28 18:30:37 +02:00

board-n526: Add very basic n526 support.

This commit is contained in:
Lars-Peter Clausen 2009-12-01 11:28:00 +01:00
parent 86dbff8d6f
commit 093af2c9c4
3 changed files with 166 additions and 1 deletions

View File

@ -8,6 +8,12 @@ config JZ4740_QI_LB60
select DMA_NONCOHERENT select DMA_NONCOHERENT
select SOC_JZ4740 select SOC_JZ4740
config JZ4740_N526
bool "Hanvon n526 eBook reader"
select DMA_NONCOHERENT
select SOC_JZ4740
endchoice endchoice
config SOC_JZ4740 config SOC_JZ4740

View File

@ -4,7 +4,7 @@
# Object file lists. # Object file lists.
obj-y += prom.o irq.o time.o reset.o setup.o dma.o \ obj-y += prom.o irq.o time2.o reset.o setup.o dma.o \
gpio.o clock.o platform.o gpio.o clock.o platform.o
obj-$(CONFIG_PROC_FS) += proc.o obj-$(CONFIG_PROC_FS) += proc.o
@ -17,6 +17,7 @@ obj-$(CONFIG_JZ4740_LYRA) += board-lyra.o
obj-$(CONFIG_JZ4725_DIPPER) += board-dipper.o obj-$(CONFIG_JZ4725_DIPPER) += board-dipper.o
obj-$(CONFIG_JZ4720_VIRGO) += board-virgo.o obj-$(CONFIG_JZ4720_VIRGO) += board-virgo.o
obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o
obj-$(CONFIG_JZ4740_N526) += board-n526.o
# PM support # PM support

View File

@ -0,0 +1,158 @@
/*
* 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 <asm/mach-jz4740/platform.h>
#include <linux/mtd/jz4740_nand.h>
#include <linux/jz4740_fb.h>
#include <linux/power_supply.h>
#include <linux/power/jz4740-battery.h>
#include <linux/mmc/jz4740_mmc.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 = 8 * 0x100000,
.size = 504 * 0x100000,
},
{ .name = "NAND DATA partition",
.offset = 512 * 0x100000,
.size = 512 * 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,
};
/* Battery */
/*static struct jz_batt_info n526_battery_pdata = {
.dc_dect_gpio = GPIO_DC_DETE_N,
.usb_dect_gpio = GPIO_USB_DETE,
.charg_stat_gpio = GPIO_CHARG_STAT_N,
.min_voltag = 3600000,
.max_voltag = 4200000,
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
};*/
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 struct platform_device *jz_platform_devices[] __initdata = {
&jz4740_usb_ohci_device,
&jz4740_usb_gdt_device,
&jz4740_mmc_device,
&jz4740_nand_device,
&jz4740_i2s_device,
&jz4740_codec_device,
&jz4740_rtc_device,
&n526_leds_device,
};
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));
}
static int __init n526_init_platform_devices(void)
{
jz4740_nand_device.dev.platform_data = &n526_nand_pdata;
/* jz4740_battery_device.dev.platform_data = &n526_battery_pdata;*/
jz4740_mmc_device.dev.platform_data = &n526_mmc_pdata;
return platform_add_devices(jz_platform_devices,
ARRAY_SIZE(jz_platform_devices));
}
extern int jz_gpiolib_init(void);
extern int jz_init_clocks(unsigned long extal);
static int __init n526_board_setup(void)
{
if (jz_gpiolib_init())
panic("Failed to initalize jz gpio\n");
jz_init_clocks(12000000);
board_gpio_setup();
if (n526_init_platform_devices())
panic("Failed to initalize platform devices\n");
return 0;
}
arch_initcall(n526_board_setup);