From 3ad0920d7b11a88379ec4db186be3eee667c4278 Mon Sep 17 00:00:00 2001 From: Steve Birtles Date: Sat, 9 Feb 2008 04:49:55 +0100 Subject: [ARM] 4825/1: adds support for YL9200 board 1. Configuration file for YL9200 2. Board file fro YL9200 Adds support for the UCdragon YL9200 board available widly in China Signed-off-by: steve birtles Signed-off-by: Russell King --- arch/arm/mach-at91/board-yl-9200.c | 683 +++++++++++++++++++++++++++++++++++++ 1 file changed, 683 insertions(+) create mode 100755 arch/arm/mach-at91/board-yl-9200.c (limited to 'arch/arm/mach-at91/board-yl-9200.c') diff --git a/arch/arm/mach-at91/board-yl-9200.c b/arch/arm/mach-at91/board-yl-9200.c new file mode 100755 index 000000000000..b5717108991d --- /dev/null +++ b/arch/arm/mach-at91/board-yl-9200.c @@ -0,0 +1,683 @@ +/* + * linux/arch/arm/mach-at91/board-yl-9200.c + * + * Adapted from: + *various board files in + * /arch/arm/mach-at91 + * modifications to convert to YL-9200 platform + * Copyright (C) 2007 S.Birtles + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include +#include +#include +#include +#include +#include +/*#include */ +#include +#include + +/*#include */ +#include +#include +#include +#include + +#include +#include +#include + +#include +#include +#include +#include +#include + +#include "generic.h" +#include + +#define YL_9200_FLASH_BASE AT91_CHIPSELECT_0 +#define YL_9200_FLASH_SIZE 0x800000 + +/* + * Serial port configuration. + * 0 .. 3 = USART0 .. USART3 + * 4 = DBGU + *atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL + *atmel_usart.1: ttyS1 at MMIO 0xfffc0000 (irq = 6) is a ATMEL_SERIAL + *atmel_usart.2: ttyS2 at MMIO 0xfffc4000 (irq = 7) is a ATMEL_SERIAL + *atmel_usart.3: ttyS3 at MMIO 0xfffc8000 (irq = 8) is a ATMEL_SERIAL + *atmel_usart.4: ttyS4 at MMIO 0xfffcc000 (irq = 9) is a ATMEL_SERIAL + * on the YL-9200 we are sitting at the following + *ttyS0 at MMIO 0xfefff200 (irq = 1) is a AT91_SERIAL + *ttyS1 at MMIO 0xfefc4000 (irq = 7) is a AT91_SERIAL + */ + +/* extern void __init yl_9200_add_device_sounder(struct gpio_sounder *sounders, int nr);*/ + +static struct at91_uart_config __initdata yl_9200_uart_config = { + .console_tty = 0, /* ttyS0 */ + .nr_tty = 3, + .tty_map = { 4, 1, 0, -1, -1 } /* ttyS0, ..., ttyS4 */ +}; + +static void __init yl_9200_map_io(void) +{ + /* Initialize processor: 18.432 MHz crystal */ + /*Also initialises register clocks & gpio*/ + at91rm9200_initialize(18432000, AT91RM9200_PQFP); /*we have a 3 bank system*/ + + /* Setup the serial ports and console */ + at91_init_serial(&yl_9200_uart_config); + + /* Setup the LEDs D2=PB17,D3=PB16 */ + at91_init_leds(AT91_PIN_PB16,AT91_PIN_PB17); /*cpu-led,timer-led*/ +} + +static void __init yl_9200_init_irq(void) +{ + at91rm9200_init_interrupts(NULL); +} + +static struct at91_eth_data __initdata yl_9200_eth_data = { + .phy_irq_pin = AT91_PIN_PB28, + .is_rmii = 1, +}; + +static struct at91_usbh_data __initdata yl_9200_usbh_data = { + .ports = 1, /* this should be 1 not 2 for the Yl9200*/ +}; + +static struct at91_udc_data __initdata yl_9200_udc_data = { +/*on sheet 7 Schemitic rev 1.0*/ + .pullup_pin = AT91_PIN_PC4, + .vbus_pin= AT91_PIN_PC5, + .pullup_active_low = 1, /*ACTIVE LOW!! due to PNP transistor on page 7*/ + +}; +/* +static struct at91_cf_data __initdata yl_9200_cf_data = { +TODO S.BIRTLES + .det_pin = AT91_PIN_xxx, + .rst_pin = AT91_PIN_xxx, + .irq_pin = ... not connected + .vcc_pin = ... always powered + +}; +*/ +static struct at91_mmc_data __initdata yl_9200_mmc_data = { + .det_pin = AT91_PIN_PB9, /*THIS LOOKS CORRECT SHEET7*/ +/* .wp_pin = ... not connected SHEET7*/ + .slot_b = 0, + .wire4 = 1, + +}; + +/* -------------------------------------------------------------------- + * Touch screen + * -------------------------------------------------------------------- */ +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) +static int ads7843_pendown_state(void) +{ + return !at91_get_gpio_value(AT91_PIN_PB11); /* Touchscreen PENIRQ */ +} + +static void __init at91_init_device_ts(void) +{ +/*IMPORTANT NOTE THE SPI INTERFACE IS ALREADY CONFIGURED BY XXX_DEVICES.C +THAT IS TO SAY THAT MISO,MOSI,SPCK AND CS are already configured +we only need to enable the other datapins which are: +PB10/RK1 BUSY +*/ +/* Touchscreen BUSY signal , pin,use pullup ( TODO not currently used in the ADS7843/6.c driver)*/ +at91_set_gpio_input(AT91_PIN_PB10, 1); +} + +#else +static void __init at91_init_device_ts(void) {} +#endif + +static struct ads7846_platform_data ads_info = { + .model = 7843, + .x_min = 150, + .x_max = 3830, + .y_min = 190, + .y_max = 3830, + .vref_delay_usecs = 100, +/* for a 8" touch screen*/ + //.x_plate_ohms = 603, //= 450, S.Birtles TODO + //.y_plate_ohms = 332, //= 250, S.Birtles TODO +/*for a 10.4" touch screen*/ + //.x_plate_ohms =611, + //.y_plate_ohms =325, + + .x_plate_ohms = 576, + .y_plate_ohms = 366, + // + .pressure_max = 15000, /*generally nonsense on the 7843*/ + /*number of times to send query to chip in a given run 0 equals one time (do not set to 0!! ,there is a bug in ADS 7846 code)*/ + .debounce_max = 1, + .debounce_rep = 0, + .debounce_tol = (~0), + .get_pendown_state = ads7843_pendown_state, +}; + +/*static struct canbus_platform_data can_info = { + .model = 2510, +}; +*/ + +static struct spi_board_info yl_9200_spi_devices[] = { +/*this sticks it at: + /sys/devices/platform/atmel_spi.0/spi0.0 + /sys/bus/platform/devices/ +Documentation/spi IIRC*/ + +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) + /*(this IS correct 04-NOV-2007)*/ + { + .modalias = "ads7846", /* because the driver is called ads7846*/ + .chip_select = 0, /*THIS MUST BE AN INDEX INTO AN ARRAY OF pins */ +/*this is ONLY TO BE USED if chipselect above is not used, it passes a pin directly for the chip select*/ + /*.controller_data =AT91_PIN_PA3 ,*/ + .max_speed_hz = 5000*26, /*(4700 * 26)-125000 * 26, (max sample rate @ 3V) * (cmd + data + overhead) */ + .bus_num = 0, + .platform_data = &ads_info, + .irq = AT91_PIN_PB11, + }, +#endif +/*we need to put our CAN driver data here!!*/ +/*THIS IS ALL DUMMY DATA*/ +/* { + .modalias = "mcp2510", //DUMMY for MCP2510 chip + .chip_select = 1,*/ /*THIS MUST BE AN INDEX INTO AN ARRAY OF pins */ + /*this is ONLY TO BE USED if chipselect above is not used, it passes a pin directly for the chip select */ + /* .controller_data =AT91_PIN_PA4 , + .max_speed_hz = 25000 * 26, + .bus_num = 0, + .platform_data = &can_info, + .irq = AT91_PIN_PC0, + }, + */ + //max SPI chip needs to go here +}; + +static struct mtd_partition __initdata yl_9200_nand_partition[] = { + { + .name = "AT91 NAND partition 1, boot", + .offset = 0, + .size = 1 * SZ_256K + }, + { + .name = "AT91 NAND partition 2, kernel", + .offset = 1 * SZ_256K, + .size = 2 * SZ_1M - 1 * SZ_256K + }, + { + .name = "AT91 NAND partition 3, filesystem", + .offset = 2 * SZ_1M, + .size = 14 * SZ_1M + }, + { + .name = "AT91 NAND partition 4, storage", + .offset = 16 * SZ_1M, + .size = 16 * SZ_1M + }, + { + .name = "AT91 NAND partition 5, ext-fs", + .offset = 32 * SZ_1M, + .size = 32 * SZ_1M + }, +}; + +static struct mtd_partition * __init nand_partitions(int size, int *num_partitions) +{ + *num_partitions = ARRAY_SIZE(yl_9200_nand_partition); + return yl_9200_nand_partition; +} + +static struct at91_nand_data __initdata yl_9200_nand_data = { + .ale= 6, + .cle= 7, + /*.det_pin = AT91_PIN_PCxx,*/ /*we don't have a det pin because NandFlash is fixed to board*/ + .rdy_pin = AT91_PIN_PC14, /*R/!B Sheet10*/ + .enable_pin = AT91_PIN_PC15, /*!CE Sheet10 */ + .partition_info = nand_partitions, +}; + + + +/* +TODO S.Birtles +potentially a problem with the size above +physmap platform flash device: 00800000 at 10000000 +physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank +NOR chip too large to fit in mapping. Attempting to cope... + Intel/Sharp Extended Query Table at 0x0031 +Using buffer write method +cfi_cmdset_0001: Erase suspend on write enabled +Reducing visibility of 16384KiB chip to 8192KiB +*/ + +static struct mtd_partition yl_9200_flash_partitions[] = { + { + .name = "Bootloader", + .size = 0x00040000, + .offset = 0, + .mask_flags = MTD_WRITEABLE /* force read-only */ + },{ + .name = "Kernel", + .size = 0x001C0000, + .offset = 0x00040000, + },{ + .name = "Filesystem", + .size = MTDPART_SIZ_FULL, + .offset = 0x00200000 + } + +}; + +static struct physmap_flash_data yl_9200_flash_data = { + .width = 2, + .parts = yl_9200_flash_partitions, + .nr_parts = ARRAY_SIZE(yl_9200_flash_partitions), +}; + +static struct resource yl_9200_flash_resources[] = { +{ + .start = YL_9200_FLASH_BASE, + .end = YL_9200_FLASH_BASE + YL_9200_FLASH_SIZE - 1, + .flags = IORESOURCE_MEM, + } +}; + +static struct platform_device yl_9200_flash = { + .name = "physmap-flash", + .id = 0, + .dev = { + .platform_data = &yl_9200_flash_data, + }, + .resource = yl_9200_flash_resources, + .num_resources = ARRAY_SIZE(yl_9200_flash_resources), +}; + + +static struct gpio_led yl_9200_leds[] = { +/*D2 &D3 are passed directly in via at91_init_leds*/ + { + .name = "led4", /*D4*/ + .gpio = AT91_PIN_PB15, + .active_low = 1, + .default_trigger = "heartbeat", + /*.default_trigger = "timer",*/ + }, + { + .name = "led5", /*D5*/ + .gpio = AT91_PIN_PB8, + .active_low = 1, + .default_trigger = "heartbeat", + } +}; + +//static struct gpio_sounder yl_9200_sounder[] = {*/ +/*This is a simple speaker attached to a gpo line*/ + +// { +// .name = "Speaker", /*LS1*/ +// .gpio = AT91_PIN_PA22, +// .active_low = 0, +// .default_trigger = "heartbeat", + /*.default_trigger = "timer",*/ +// }, +//}; + + + +static struct i2c_board_info __initdata yl_9200_i2c_devices[] = { + { + /*TODO*/ + I2C_BOARD_INFO("CS4334", 0x00), + } +}; + + + /* + * GPIO Buttons + */ +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +static struct gpio_keys_button yl_9200_buttons[] = { + { + .gpio = AT91_PIN_PA24, + .code = BTN_2, + .desc = "SW2", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PB1, + .code = BTN_3, + .desc = "SW3", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PB2, + .code = BTN_4, + .desc = "SW4", + .active_low = 1, + .wakeup = 1, + }, + { + .gpio = AT91_PIN_PB6, + .code = BTN_5, + .desc = "SW5", + .active_low = 1, + .wakeup = 1, + }, + +}; + +static struct gpio_keys_platform_data yl_9200_button_data = { + .buttons = yl_9200_buttons, + .nbuttons = ARRAY_SIZE(yl_9200_buttons), +}; + +static struct platform_device yl_9200_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &yl_9200_button_data, + } +}; + +static void __init yl_9200_add_device_buttons(void) +{ + //SW2 + at91_set_gpio_input(AT91_PIN_PA24, 0); + at91_set_deglitch(AT91_PIN_PA24, 1); + + //SW3 + at91_set_gpio_input(AT91_PIN_PB1, 0); + at91_set_deglitch(AT91_PIN_PB1, 1); + //SW4 + at91_set_gpio_input(AT91_PIN_PB2, 0); + at91_set_deglitch(AT91_PIN_PB2, 1); + + //SW5 + at91_set_gpio_input(AT91_PIN_PB6, 0); + at91_set_deglitch(AT91_PIN_PB6, 1); + + + at91_set_gpio_output(AT91_PIN_PB7, 1); /* #TURN BUTTONS ON, SHEET 5 of schematics */ + platform_device_register(&yl_9200_button_device); +} +#else +static void __init yl_9200_add_device_buttons(void) {} +#endif + +#if defined(CONFIG_FB_S1D135XX) || defined(CONFIG_FB_S1D13XXX_MODULE) +#include