ec70e8afb9
Palmz71 specific things - board file. Signed-off-by: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
383 lines
9.2 KiB
C
383 lines
9.2 KiB
C
/*
|
|
* linux/arch/arm/mach-omap1/board-palmz71.c
|
|
*
|
|
* Modified from board-generic.c
|
|
*
|
|
* Support for the Palm Zire71 PDA.
|
|
*
|
|
* Original version : Laurent Gonzalez
|
|
*
|
|
* Modified for zire71 : Marek Vasut
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/delay.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/notifier.h>
|
|
#include <linux/clk.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/input.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include <asm/arch/mcbsp.h>
|
|
#include <asm/arch/gpio.h>
|
|
#include <asm/arch/mux.h>
|
|
#include <asm/arch/usb.h>
|
|
#include <asm/arch/dma.h>
|
|
#include <asm/arch/tc.h>
|
|
#include <asm/arch/board.h>
|
|
#include <asm/arch/irda.h>
|
|
#include <asm/arch/keypad.h>
|
|
#include <asm/arch/common.h>
|
|
#include <asm/arch/omap-alsa.h>
|
|
|
|
#include <linux/input.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/spi/ads7846.h>
|
|
|
|
static void __init
|
|
omap_palmz71_init_irq(void)
|
|
{
|
|
omap1_init_common_hw();
|
|
omap_init_irq();
|
|
omap_gpio_init();
|
|
}
|
|
|
|
static int palmz71_keymap[] = {
|
|
KEY(0, 0, KEY_F1),
|
|
KEY(0, 1, KEY_F2),
|
|
KEY(0, 2, KEY_F3),
|
|
KEY(0, 3, KEY_F4),
|
|
KEY(0, 4, KEY_POWER),
|
|
KEY(1, 0, KEY_LEFT),
|
|
KEY(1, 1, KEY_DOWN),
|
|
KEY(1, 2, KEY_UP),
|
|
KEY(1, 3, KEY_RIGHT),
|
|
KEY(1, 4, KEY_CENTER),
|
|
KEY(2, 0, KEY_CAMERA),
|
|
0,
|
|
};
|
|
|
|
static struct omap_kp_platform_data palmz71_kp_data = {
|
|
.rows = 8,
|
|
.cols = 8,
|
|
.keymap = palmz71_keymap,
|
|
.rep = 1,
|
|
.delay = 80,
|
|
};
|
|
|
|
static struct resource palmz71_kp_resources[] = {
|
|
[0] = {
|
|
.start = INT_KEYBOARD,
|
|
.end = INT_KEYBOARD,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device palmz71_kp_device = {
|
|
.name = "omap-keypad",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmz71_kp_data,
|
|
},
|
|
.num_resources = ARRAY_SIZE(palmz71_kp_resources),
|
|
.resource = palmz71_kp_resources,
|
|
};
|
|
|
|
static struct mtd_partition palmz71_rom_partitions[] = {
|
|
/* PalmOS "Small ROM", contains the bootloader and the debugger */
|
|
{
|
|
.name = "smallrom",
|
|
.offset = 0,
|
|
.size = 0xa000,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
},
|
|
/* PalmOS "Big ROM", a filesystem with all the OS code and data */
|
|
{
|
|
.name = "bigrom",
|
|
.offset = SZ_128K,
|
|
/*
|
|
* 0x5f0000 bytes big in the multi-language ("EFIGS") version,
|
|
* 0x7b0000 bytes in the English-only ("enUS") version.
|
|
*/
|
|
.size = 0x7b0000,
|
|
.mask_flags = MTD_WRITEABLE,
|
|
},
|
|
};
|
|
|
|
static struct flash_platform_data palmz71_rom_data = {
|
|
.map_name = "map_rom",
|
|
.name = "onboardrom",
|
|
.width = 2,
|
|
.parts = palmz71_rom_partitions,
|
|
.nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
|
|
};
|
|
|
|
static struct resource palmz71_rom_resource = {
|
|
.start = OMAP_CS0_PHYS,
|
|
.end = OMAP_CS0_PHYS + SZ_8M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device palmz71_rom_device = {
|
|
.name = "omapflash",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmz71_rom_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &palmz71_rom_resource,
|
|
};
|
|
|
|
static struct platform_device palmz71_lcd_device = {
|
|
.name = "lcd_palmz71",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct omap_irda_config palmz71_irda_config = {
|
|
.transceiver_cap = IR_SIRMODE,
|
|
.rx_channel = OMAP_DMA_UART3_RX,
|
|
.tx_channel = OMAP_DMA_UART3_TX,
|
|
.dest_start = UART3_THR,
|
|
.src_start = UART3_RHR,
|
|
.tx_trigger = 0,
|
|
.rx_trigger = 0,
|
|
};
|
|
|
|
static struct resource palmz71_irda_resources[] = {
|
|
[0] = {
|
|
.start = INT_UART3,
|
|
.end = INT_UART3,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device palmz71_irda_device = {
|
|
.name = "omapirda",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmz71_irda_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(palmz71_irda_resources),
|
|
.resource = palmz71_irda_resources,
|
|
};
|
|
|
|
static struct platform_device palmz71_spi_device = {
|
|
.name = "spi_palmz71",
|
|
.id = -1,
|
|
};
|
|
|
|
#define DEFAULT_BITPERSAMPLE 16
|
|
|
|
static struct omap_mcbsp_reg_cfg mcbsp_regs = {
|
|
.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
|
|
.spcr1 = RINTM(3) | RRST,
|
|
.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
|
|
RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
|
|
.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
|
|
.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
|
|
XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
|
|
.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
|
|
.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
|
|
.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
|
|
.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
|
|
};
|
|
|
|
static struct omap_alsa_codec_config alsa_config = {
|
|
.name = "PalmZ71 AIC23",
|
|
.mcbsp_regs_alsa = &mcbsp_regs,
|
|
.codec_configure_dev = NULL, /* aic23_configure */
|
|
.codec_set_samplerate = NULL, /* aic23_set_samplerate */
|
|
.codec_clock_setup = NULL, /* aic23_clock_setup */
|
|
.codec_clock_on = NULL, /* aic23_clock_on */
|
|
.codec_clock_off = NULL, /* aic23_clock_off */
|
|
.get_default_samplerate = NULL, /* aic23_get_default_samplerate */
|
|
};
|
|
|
|
static struct platform_device palmz71_mcbsp1_device = {
|
|
.name = "omap_alsa_mcbsp",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &alsa_config,
|
|
},
|
|
};
|
|
|
|
static struct omap_backlight_config palmz71_backlight_config = {
|
|
.default_intensity = 0xa0,
|
|
};
|
|
|
|
static struct platform_device palmz71_backlight_device = {
|
|
.name = "omap-bl",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmz71_backlight_config,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *devices[] __initdata = {
|
|
&palmz71_rom_device,
|
|
&palmz71_kp_device,
|
|
&palmz71_mcbsp1_device,
|
|
&palmz71_lcd_device,
|
|
&palmz71_irda_device,
|
|
&palmz71_spi_device,
|
|
&palmz71_backlight_device,
|
|
};
|
|
|
|
static int
|
|
palmz71_get_pendown_state(void)
|
|
{
|
|
return !omap_get_gpio_datain(PALMZ71_PENIRQ_GPIO);
|
|
}
|
|
|
|
static const struct ads7846_platform_data palmz71_ts_info = {
|
|
.model = 7846,
|
|
.vref_delay_usecs = 100, /* internal, no capacitor */
|
|
.x_plate_ohms = 419,
|
|
.y_plate_ohms = 486,
|
|
.get_pendown_state = palmz71_get_pendown_state,
|
|
};
|
|
|
|
static struct spi_board_info __initdata palmz71_boardinfo[] = { {
|
|
/* MicroWire (bus 2) CS0 has an ads7846e */
|
|
.modalias = "ads7846",
|
|
.platform_data = &palmz71_ts_info,
|
|
.irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
|
|
.max_speed_hz = 120000 /* max sample rate at 3V */
|
|
* 26 /* command + data + overhead */,
|
|
.bus_num = 2,
|
|
.chip_select = 0,
|
|
} };
|
|
|
|
static struct omap_usb_config palmz71_usb_config __initdata = {
|
|
.register_dev = 1, /* Mini-B only receptacle */
|
|
.hmc_mode = 0,
|
|
.pins[0] = 2,
|
|
};
|
|
|
|
static struct omap_mmc_config palmz71_mmc_config __initdata = {
|
|
.mmc[0] = {
|
|
.enabled = 1,
|
|
.wire4 = 0,
|
|
.wp_pin = PALMZ71_MMC_WP_GPIO,
|
|
.power_pin = -1,
|
|
.switch_pin = PALMZ71_MMC_IN_GPIO,
|
|
},
|
|
};
|
|
|
|
static struct omap_lcd_config palmz71_lcd_config __initdata = {
|
|
.ctrl_name = "internal",
|
|
};
|
|
|
|
static struct omap_uart_config palmz71_uart_config __initdata = {
|
|
.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
|
|
};
|
|
|
|
static struct omap_board_config_kernel palmz71_config[] = {
|
|
{OMAP_TAG_USB, &palmz71_usb_config},
|
|
{OMAP_TAG_MMC, &palmz71_mmc_config},
|
|
{OMAP_TAG_LCD, &palmz71_lcd_config},
|
|
{OMAP_TAG_UART, &palmz71_uart_config},
|
|
};
|
|
|
|
static irqreturn_t
|
|
palmz71_powercable(int irq, void *dev_id)
|
|
{
|
|
if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) {
|
|
printk(KERN_INFO "PM: Power cable connected\n");
|
|
set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
|
|
IRQT_FALLING);
|
|
} else {
|
|
printk(KERN_INFO "PM: Power cable disconnected\n");
|
|
set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
|
|
IRQT_RISING);
|
|
}
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static void __init
|
|
omap_mpu_wdt_mode(int mode)
|
|
{
|
|
if (mode)
|
|
omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
|
|
else {
|
|
omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
|
|
omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
|
|
}
|
|
}
|
|
|
|
static void __init
|
|
palmz71_gpio_setup(int early)
|
|
{
|
|
if (early) {
|
|
/* Only set GPIO1 so we have a working serial */
|
|
omap_set_gpio_dataout(1, 1);
|
|
omap_set_gpio_direction(1, 0);
|
|
} else {
|
|
/* Set MMC/SD host WP pin as input */
|
|
if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) {
|
|
printk(KERN_ERR "Could not reserve WP GPIO!\n");
|
|
return;
|
|
}
|
|
omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1);
|
|
|
|
/* Monitor the Power-cable-connected signal */
|
|
if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {
|
|
printk(KERN_ERR
|
|
"Could not reserve cable signal GPIO!\n");
|
|
return;
|
|
}
|
|
omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1);
|
|
if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
|
|
palmz71_powercable, IRQF_SAMPLE_RANDOM,
|
|
"palmz71-cable", 0))
|
|
printk(KERN_ERR
|
|
"IRQ request for power cable failed!\n");
|
|
palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0);
|
|
}
|
|
}
|
|
|
|
static void __init
|
|
omap_palmz71_init(void)
|
|
{
|
|
palmz71_gpio_setup(1);
|
|
omap_mpu_wdt_mode(0);
|
|
|
|
omap_board_config = palmz71_config;
|
|
omap_board_config_size = ARRAY_SIZE(palmz71_config);
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
|
|
spi_register_board_info(palmz71_boardinfo,
|
|
ARRAY_SIZE(palmz71_boardinfo));
|
|
omap_serial_init();
|
|
palmz71_gpio_setup(0);
|
|
}
|
|
|
|
static void __init
|
|
omap_palmz71_map_io(void)
|
|
{
|
|
omap1_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
|
|
.phys_io = 0xfff00000,
|
|
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
|
|
.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
|
|
.init_irq = omap_palmz71_init_irq,
|
|
.init_machine = omap_palmz71_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|