a09e64fbc0
This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
391 lines
9.8 KiB
C
391 lines
9.8 KiB
C
/*
|
|
* linux/arch/arm/mach-omap1/board-palmte.c
|
|
*
|
|
* Modified from board-generic.c
|
|
*
|
|
* Support for the Palm Tungsten E PDA.
|
|
*
|
|
* Original version : Laurent Gonzalez
|
|
*
|
|
* Maintainers : http://palmtelinux.sf.net
|
|
* palmtelinux-developpers@lists.sf.net
|
|
*
|
|
* Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org>
|
|
*
|
|
* 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/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/input.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/apm-emulation.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
#include <asm/mach/flash.h>
|
|
|
|
#include <mach/gpio.h>
|
|
#include <mach/mux.h>
|
|
#include <mach/usb.h>
|
|
#include <mach/tc.h>
|
|
#include <mach/dma.h>
|
|
#include <mach/board.h>
|
|
#include <mach/irda.h>
|
|
#include <mach/keypad.h>
|
|
#include <mach/common.h>
|
|
#include <mach/mcbsp.h>
|
|
#include <mach/omap-alsa.h>
|
|
|
|
static void __init omap_palmte_init_irq(void)
|
|
{
|
|
omap1_init_common_hw();
|
|
omap_init_irq();
|
|
omap_gpio_init();
|
|
}
|
|
|
|
static const int palmte_keymap[] = {
|
|
KEY(0, 0, KEY_F1), /* Calendar */
|
|
KEY(0, 1, KEY_F2), /* Contacts */
|
|
KEY(0, 2, KEY_F3), /* Tasks List */
|
|
KEY(0, 3, KEY_F4), /* Note Pad */
|
|
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_ENTER),
|
|
0,
|
|
};
|
|
|
|
static struct omap_kp_platform_data palmte_kp_data = {
|
|
.rows = 8,
|
|
.cols = 8,
|
|
.keymap = (int *) palmte_keymap,
|
|
.rep = 1,
|
|
.delay = 12,
|
|
};
|
|
|
|
static struct resource palmte_kp_resources[] = {
|
|
[0] = {
|
|
.start = INT_KEYBOARD,
|
|
.end = INT_KEYBOARD,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device palmte_kp_device = {
|
|
.name = "omap-keypad",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmte_kp_data,
|
|
},
|
|
.num_resources = ARRAY_SIZE(palmte_kp_resources),
|
|
.resource = palmte_kp_resources,
|
|
};
|
|
|
|
static struct mtd_partition palmte_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 palmte_rom_data = {
|
|
.map_name = "map_rom",
|
|
.width = 2,
|
|
.parts = palmte_rom_partitions,
|
|
.nr_parts = ARRAY_SIZE(palmte_rom_partitions),
|
|
};
|
|
|
|
static struct resource palmte_rom_resource = {
|
|
.start = OMAP_CS0_PHYS,
|
|
.end = OMAP_CS0_PHYS + SZ_8M - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
};
|
|
|
|
static struct platform_device palmte_rom_device = {
|
|
.name = "omapflash",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmte_rom_data,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = &palmte_rom_resource,
|
|
};
|
|
|
|
static struct platform_device palmte_lcd_device = {
|
|
.name = "lcd_palmte",
|
|
.id = -1,
|
|
};
|
|
|
|
static struct omap_backlight_config palmte_backlight_config = {
|
|
.default_intensity = 0xa0,
|
|
};
|
|
|
|
static struct platform_device palmte_backlight_device = {
|
|
.name = "omap-bl",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmte_backlight_config,
|
|
},
|
|
};
|
|
|
|
static struct omap_irda_config palmte_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 palmte_irda_resources[] = {
|
|
[0] = {
|
|
.start = INT_UART3,
|
|
.end = INT_UART3,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device palmte_irda_device = {
|
|
.name = "omapirda",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmte_irda_config,
|
|
},
|
|
.num_resources = ARRAY_SIZE(palmte_irda_resources),
|
|
.resource = palmte_irda_resources,
|
|
};
|
|
|
|
static struct platform_device *palmte_devices[] __initdata = {
|
|
&palmte_rom_device,
|
|
&palmte_kp_device,
|
|
&palmte_lcd_device,
|
|
&palmte_backlight_device,
|
|
&palmte_irda_device,
|
|
};
|
|
|
|
static struct omap_usb_config palmte_usb_config __initdata = {
|
|
.register_dev = 1, /* Mini-B only receptacle */
|
|
.hmc_mode = 0,
|
|
.pins[0] = 2,
|
|
};
|
|
|
|
static struct omap_mmc_config palmte_mmc_config __initdata = {
|
|
.mmc[0] = {
|
|
.enabled = 1,
|
|
.wp_pin = PALMTE_MMC_WP_GPIO,
|
|
.power_pin = PALMTE_MMC_POWER_GPIO,
|
|
.switch_pin = PALMTE_MMC_SWITCH_GPIO,
|
|
},
|
|
};
|
|
|
|
static struct omap_lcd_config palmte_lcd_config __initdata = {
|
|
.ctrl_name = "internal",
|
|
};
|
|
|
|
static struct omap_uart_config palmte_uart_config __initdata = {
|
|
.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
|
|
};
|
|
|
|
static struct omap_mcbsp_reg_cfg palmte_mcbsp1_regs = {
|
|
.spcr2 = FRST | GRST | XRST | XINTM(3),
|
|
.xcr2 = XDATDLY(1) | XFIG,
|
|
.xcr1 = XWDLEN1(OMAP_MCBSP_WORD_32),
|
|
.pcr0 = SCLKME | FSXP | CLKXP,
|
|
};
|
|
|
|
static struct omap_alsa_codec_config palmte_alsa_config = {
|
|
.name = "TSC2102 audio",
|
|
.mcbsp_regs_alsa = &palmte_mcbsp1_regs,
|
|
.codec_configure_dev = NULL, /* tsc2102_configure, */
|
|
.codec_set_samplerate = NULL, /* tsc2102_set_samplerate, */
|
|
.codec_clock_setup = NULL, /* tsc2102_clock_setup, */
|
|
.codec_clock_on = NULL, /* tsc2102_clock_on, */
|
|
.codec_clock_off = NULL, /* tsc2102_clock_off, */
|
|
.get_default_samplerate = NULL, /* tsc2102_get_default_samplerate, */
|
|
};
|
|
|
|
#ifdef CONFIG_APM
|
|
/*
|
|
* Values measured in 10 minute intervals averaged over 10 samples.
|
|
* May differ slightly from device to device but should be accurate
|
|
* enough to give basic idea of battery life left and trigger
|
|
* potential alerts.
|
|
*/
|
|
static const int palmte_battery_sample[] = {
|
|
2194, 2157, 2138, 2120,
|
|
2104, 2089, 2075, 2061,
|
|
2048, 2038, 2026, 2016,
|
|
2008, 1998, 1989, 1980,
|
|
1970, 1958, 1945, 1928,
|
|
1910, 1888, 1860, 1827,
|
|
1791, 1751, 1709, 1656,
|
|
};
|
|
|
|
#define INTERVAL 10
|
|
#define BATTERY_HIGH_TRESHOLD 66
|
|
#define BATTERY_LOW_TRESHOLD 33
|
|
|
|
static void palmte_get_power_status(struct apm_power_info *info, int *battery)
|
|
{
|
|
int charging, batt, hi, lo, mid;
|
|
|
|
charging = !omap_get_gpio_datain(PALMTE_DC_GPIO);
|
|
batt = battery[0];
|
|
if (charging)
|
|
batt -= 60;
|
|
|
|
hi = ARRAY_SIZE(palmte_battery_sample);
|
|
lo = 0;
|
|
|
|
info->battery_flag = 0;
|
|
info->units = APM_UNITS_MINS;
|
|
|
|
if (batt > palmte_battery_sample[lo]) {
|
|
info->battery_life = 100;
|
|
info->time = INTERVAL * ARRAY_SIZE(palmte_battery_sample);
|
|
} else if (batt <= palmte_battery_sample[hi - 1]) {
|
|
info->battery_life = 0;
|
|
info->time = 0;
|
|
} else {
|
|
while (hi > lo + 1) {
|
|
mid = (hi + lo) >> 1;
|
|
if (batt <= palmte_battery_sample[mid])
|
|
lo = mid;
|
|
else
|
|
hi = mid;
|
|
}
|
|
|
|
mid = palmte_battery_sample[lo] - palmte_battery_sample[hi];
|
|
hi = palmte_battery_sample[lo] - batt;
|
|
info->battery_life = 100 - (100 * lo + 100 * hi / mid) /
|
|
ARRAY_SIZE(palmte_battery_sample);
|
|
info->time = INTERVAL * (ARRAY_SIZE(palmte_battery_sample) -
|
|
lo) - INTERVAL * hi / mid;
|
|
}
|
|
|
|
if (charging) {
|
|
info->ac_line_status = APM_AC_ONLINE;
|
|
info->battery_status = APM_BATTERY_STATUS_CHARGING;
|
|
info->battery_flag |= APM_BATTERY_FLAG_CHARGING;
|
|
} else {
|
|
info->ac_line_status = APM_AC_OFFLINE;
|
|
if (info->battery_life > BATTERY_HIGH_TRESHOLD)
|
|
info->battery_status = APM_BATTERY_STATUS_HIGH;
|
|
else if (info->battery_life > BATTERY_LOW_TRESHOLD)
|
|
info->battery_status = APM_BATTERY_STATUS_LOW;
|
|
else
|
|
info->battery_status = APM_BATTERY_STATUS_CRITICAL;
|
|
}
|
|
|
|
if (info->battery_life > BATTERY_HIGH_TRESHOLD)
|
|
info->battery_flag |= APM_BATTERY_FLAG_HIGH;
|
|
else if (info->battery_life > BATTERY_LOW_TRESHOLD)
|
|
info->battery_flag |= APM_BATTERY_FLAG_LOW;
|
|
else
|
|
info->battery_flag |= APM_BATTERY_FLAG_CRITICAL;
|
|
}
|
|
#else
|
|
#define palmte_get_power_status NULL
|
|
#endif
|
|
|
|
static struct omap_board_config_kernel palmte_config[] __initdata = {
|
|
{ OMAP_TAG_USB, &palmte_usb_config },
|
|
{ OMAP_TAG_MMC, &palmte_mmc_config },
|
|
{ OMAP_TAG_LCD, &palmte_lcd_config },
|
|
{ OMAP_TAG_UART, &palmte_uart_config },
|
|
};
|
|
|
|
static struct spi_board_info palmte_spi_info[] __initdata = {
|
|
{
|
|
.modalias = "tsc2102",
|
|
.bus_num = 2, /* uWire (officially) */
|
|
.chip_select = 0, /* As opposed to 3 */
|
|
.irq = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO),
|
|
.max_speed_hz = 8000000,
|
|
},
|
|
};
|
|
|
|
static void palmte_headphones_detect(void *data, int state)
|
|
{
|
|
if (state) {
|
|
/* Headphones connected, disable speaker */
|
|
omap_set_gpio_dataout(PALMTE_SPEAKER_GPIO, 0);
|
|
printk(KERN_INFO "PM: speaker off\n");
|
|
} else {
|
|
/* Headphones unplugged, re-enable speaker */
|
|
omap_set_gpio_dataout(PALMTE_SPEAKER_GPIO, 1);
|
|
printk(KERN_INFO "PM: speaker on\n");
|
|
}
|
|
}
|
|
|
|
static void __init palmte_misc_gpio_setup(void)
|
|
{
|
|
/* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
|
|
if (omap_request_gpio(PALMTE_PINTDAV_GPIO)) {
|
|
printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
|
|
return;
|
|
}
|
|
omap_set_gpio_direction(PALMTE_PINTDAV_GPIO, 1);
|
|
|
|
/* Set USB-or-DC-IN pin as input (unused) */
|
|
if (omap_request_gpio(PALMTE_USB_OR_DC_GPIO)) {
|
|
printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
|
|
return;
|
|
}
|
|
omap_set_gpio_direction(PALMTE_USB_OR_DC_GPIO, 1);
|
|
}
|
|
|
|
static void __init omap_palmte_init(void)
|
|
{
|
|
omap_board_config = palmte_config;
|
|
omap_board_config_size = ARRAY_SIZE(palmte_config);
|
|
|
|
platform_add_devices(palmte_devices, ARRAY_SIZE(palmte_devices));
|
|
|
|
spi_register_board_info(palmte_spi_info, ARRAY_SIZE(palmte_spi_info));
|
|
palmte_misc_gpio_setup();
|
|
omap_serial_init();
|
|
omap_register_i2c_bus(1, 100, NULL, 0);
|
|
}
|
|
|
|
static void __init omap_palmte_map_io(void)
|
|
{
|
|
omap1_map_common_io();
|
|
}
|
|
|
|
MACHINE_START(OMAP_PALMTE, "OMAP310 based Palm Tungsten E")
|
|
.phys_io = 0xfff00000,
|
|
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
|
|
.boot_params = 0x10000100,
|
|
.map_io = omap_palmte_map_io,
|
|
.init_irq = omap_palmte_init_irq,
|
|
.init_machine = omap_palmte_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|