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462 lines
11 KiB
462 lines
11 KiB
/* |
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* linux/arch/arm/mach-sa1100/collie.c |
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* |
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* May be copied or modified under the terms of the GNU General Public |
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* License. See linux/COPYING for more information. |
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* |
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* This file contains all Collie-specific tweaks. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation. |
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* |
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* ChangeLog: |
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* 2006 Pavel Machek <[email protected]> |
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* 03-06-2004 John Lenz <[email protected]> |
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* 06-04-2002 Chris Larson <[email protected]> |
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* 04-16-2001 Lineo Japan,Inc. ... |
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*/ |
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#include <linux/init.h> |
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#include <linux/kernel.h> |
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#include <linux/tty.h> |
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#include <linux/delay.h> |
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#include <linux/platform_data/sa11x0-serial.h> |
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#include <linux/platform_device.h> |
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#include <linux/mfd/ucb1x00.h> |
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#include <linux/mtd/mtd.h> |
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#include <linux/mtd/partitions.h> |
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#include <linux/timer.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/input.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/power/gpio-charger.h> |
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#include <video/sa1100fb.h> |
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#include <mach/hardware.h> |
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#include <asm/mach-types.h> |
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#include <asm/page.h> |
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#include <asm/setup.h> |
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#include <mach/collie.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include <asm/mach/map.h> |
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#include <linux/platform_data/irda-sa11x0.h> |
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#include <asm/hardware/scoop.h> |
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#include <asm/mach/sharpsl_param.h> |
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#include <asm/hardware/locomo.h> |
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#include <linux/platform_data/mfd-mcp-sa11x0.h> |
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#include <mach/irqs.h> |
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#include "generic.h" |
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static struct resource collie_scoop_resources[] = { |
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[0] = DEFINE_RES_MEM(0x40800000, SZ_4K), |
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}; |
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static struct scoop_config collie_scoop_setup = { |
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.io_dir = COLLIE_SCOOP_IO_DIR, |
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.io_out = COLLIE_SCOOP_IO_OUT, |
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.gpio_base = COLLIE_SCOOP_GPIO_BASE, |
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}; |
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struct platform_device colliescoop_device = { |
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.name = "sharp-scoop", |
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.id = -1, |
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.dev = { |
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.platform_data = &collie_scoop_setup, |
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}, |
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.num_resources = ARRAY_SIZE(collie_scoop_resources), |
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.resource = collie_scoop_resources, |
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}; |
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static struct scoop_pcmcia_dev collie_pcmcia_scoop[] = { |
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{ |
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.dev = &colliescoop_device.dev, |
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.irq = COLLIE_IRQ_GPIO_CF_IRQ, |
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.cd_irq = COLLIE_IRQ_GPIO_CF_CD, |
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.cd_irq_str = "PCMCIA0 CD", |
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}, |
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}; |
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static struct scoop_pcmcia_config collie_pcmcia_config = { |
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.devs = &collie_pcmcia_scoop[0], |
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.num_devs = 1, |
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}; |
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static struct ucb1x00_plat_data collie_ucb1x00_data = { |
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.gpio_base = COLLIE_TC35143_GPIO_BASE, |
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}; |
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static struct mcp_plat_data collie_mcp_data = { |
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.mccr0 = MCCR0_ADM | MCCR0_ExtClk, |
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.sclk_rate = 9216000, |
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.codec_pdata = &collie_ucb1x00_data, |
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}; |
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/* Battery management GPIOs */ |
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static struct gpiod_lookup_table collie_battery_gpiod_table = { |
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/* the MCP codec mcp0 has the ucb1x00 as attached device */ |
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.dev_id = "ucb1x00", |
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.table = { |
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/* This is found on the main GPIO on the SA1100 */ |
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GPIO_LOOKUP("gpio", COLLIE_GPIO_CO, |
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"main battery full", GPIO_ACTIVE_HIGH), |
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GPIO_LOOKUP("gpio", COLLIE_GPIO_MAIN_BAT_LOW, |
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"main battery low", GPIO_ACTIVE_HIGH), |
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/* |
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* This is GPIO 0 on the Scoop expander, which is registered |
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* from common/scoop.c with this gpio chip label. |
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*/ |
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GPIO_LOOKUP("sharp-scoop", 0, |
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"main charge on", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static int collie_ir_startup(struct device *dev) |
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{ |
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int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA"); |
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if (rc) |
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return rc; |
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rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1); |
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if (!rc) |
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return 0; |
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gpio_free(COLLIE_GPIO_IR_ON); |
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return rc; |
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} |
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static void collie_ir_shutdown(struct device *dev) |
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{ |
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gpio_free(COLLIE_GPIO_IR_ON); |
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} |
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static int collie_ir_set_power(struct device *dev, unsigned int state) |
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{ |
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gpio_set_value(COLLIE_GPIO_IR_ON, !state); |
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return 0; |
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} |
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static struct irda_platform_data collie_ir_data = { |
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.startup = collie_ir_startup, |
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.shutdown = collie_ir_shutdown, |
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.set_power = collie_ir_set_power, |
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}; |
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/* |
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* Collie AC IN |
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*/ |
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static struct gpiod_lookup_table collie_power_gpiod_table = { |
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.dev_id = "gpio-charger", |
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.table = { |
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GPIO_LOOKUP("gpio", COLLIE_GPIO_AC_IN, |
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NULL, GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static char *collie_ac_supplied_to[] = { |
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"main-battery", |
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"backup-battery", |
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}; |
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static struct gpio_charger_platform_data collie_power_data = { |
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.name = "charger", |
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.type = POWER_SUPPLY_TYPE_MAINS, |
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.supplied_to = collie_ac_supplied_to, |
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.num_supplicants = ARRAY_SIZE(collie_ac_supplied_to), |
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}; |
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static struct platform_device collie_power_device = { |
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.name = "gpio-charger", |
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.id = -1, |
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.dev.platform_data = &collie_power_data, |
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}; |
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#ifdef CONFIG_SHARP_LOCOMO |
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/* |
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* low-level UART features. |
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*/ |
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struct platform_device collie_locomo_device; |
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static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl) |
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{ |
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if (mctrl & TIOCM_RTS) |
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locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0); |
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else |
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locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1); |
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if (mctrl & TIOCM_DTR) |
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locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0); |
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else |
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locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1); |
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} |
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static u_int collie_uart_get_mctrl(struct uart_port *port) |
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{ |
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int ret = TIOCM_CD; |
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unsigned int r; |
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r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR); |
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if (r == -ENODEV) |
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return ret; |
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if (r & LOCOMO_GPIO_CTS) |
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ret |= TIOCM_CTS; |
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if (r & LOCOMO_GPIO_DSR) |
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ret |= TIOCM_DSR; |
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return ret; |
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} |
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static struct sa1100_port_fns collie_port_fns __initdata = { |
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.set_mctrl = collie_uart_set_mctrl, |
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.get_mctrl = collie_uart_get_mctrl, |
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}; |
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static int collie_uart_probe(struct locomo_dev *dev) |
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{ |
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return 0; |
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} |
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static struct locomo_driver collie_uart_driver = { |
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.drv = { |
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.name = "collie_uart", |
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}, |
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.devid = LOCOMO_DEVID_UART, |
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.probe = collie_uart_probe, |
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}; |
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static int __init collie_uart_init(void) |
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{ |
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return locomo_driver_register(&collie_uart_driver); |
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} |
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device_initcall(collie_uart_init); |
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#endif |
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static struct resource locomo_resources[] = { |
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[0] = DEFINE_RES_MEM(0x40000000, SZ_8K), |
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[1] = DEFINE_RES_IRQ(IRQ_GPIO25), |
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}; |
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static struct locomo_platform_data locomo_info = { |
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.irq_base = IRQ_BOARD_START, |
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}; |
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struct platform_device collie_locomo_device = { |
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.name = "locomo", |
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.id = 0, |
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.dev = { |
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.platform_data = &locomo_info, |
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}, |
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.num_resources = ARRAY_SIZE(locomo_resources), |
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.resource = locomo_resources, |
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}; |
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static struct gpio_keys_button collie_gpio_keys[] = { |
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{ |
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.type = EV_PWR, |
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.code = KEY_RESERVED, |
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.gpio = COLLIE_GPIO_ON_KEY, |
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.desc = "On key", |
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.wakeup = 1, |
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.active_low = 1, |
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}, |
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{ |
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.type = EV_PWR, |
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.code = KEY_WAKEUP, |
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.gpio = COLLIE_GPIO_WAKEUP, |
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.desc = "Sync", |
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.wakeup = 1, |
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.active_low = 1, |
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}, |
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}; |
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static struct gpio_keys_platform_data collie_gpio_keys_data = { |
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.buttons = collie_gpio_keys, |
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.nbuttons = ARRAY_SIZE(collie_gpio_keys), |
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}; |
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static struct platform_device collie_gpio_keys_device = { |
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.name = "gpio-keys", |
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.id = -1, |
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.dev = { |
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.platform_data = &collie_gpio_keys_data, |
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}, |
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}; |
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static struct platform_device *devices[] __initdata = { |
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&collie_locomo_device, |
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&colliescoop_device, |
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&collie_power_device, |
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&collie_gpio_keys_device, |
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}; |
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static struct mtd_partition collie_partitions[] = { |
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{ |
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.name = "bootloader", |
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.offset = 0, |
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.size = 0x000C0000, |
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.mask_flags = MTD_WRITEABLE |
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}, { |
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.name = "kernel", |
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.offset = MTDPART_OFS_APPEND, |
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.size = 0x00100000, |
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}, { |
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.name = "rootfs", |
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.offset = MTDPART_OFS_APPEND, |
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.size = 0x00e20000, |
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}, { |
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.name = "bootblock", |
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.offset = MTDPART_OFS_APPEND, |
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.size = 0x00020000, |
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.mask_flags = MTD_WRITEABLE |
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} |
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}; |
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static int collie_flash_init(void) |
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{ |
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int rc = gpio_request(COLLIE_GPIO_VPEN, "flash Vpp enable"); |
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if (rc) |
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return rc; |
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rc = gpio_direction_output(COLLIE_GPIO_VPEN, 1); |
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if (rc) |
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gpio_free(COLLIE_GPIO_VPEN); |
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return rc; |
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} |
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static void collie_set_vpp(int vpp) |
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{ |
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gpio_set_value(COLLIE_GPIO_VPEN, vpp); |
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} |
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static void collie_flash_exit(void) |
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{ |
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gpio_free(COLLIE_GPIO_VPEN); |
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} |
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static struct flash_platform_data collie_flash_data = { |
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.map_name = "cfi_probe", |
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.init = collie_flash_init, |
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.set_vpp = collie_set_vpp, |
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.exit = collie_flash_exit, |
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.parts = collie_partitions, |
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.nr_parts = ARRAY_SIZE(collie_partitions), |
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}; |
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static struct resource collie_flash_resources[] = { |
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DEFINE_RES_MEM(SA1100_CS0_PHYS, SZ_32M), |
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}; |
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static struct sa1100fb_mach_info collie_lcd_info = { |
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.pixclock = 171521, .bpp = 16, |
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.xres = 320, .yres = 240, |
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.hsync_len = 5, .vsync_len = 1, |
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.left_margin = 11, .upper_margin = 2, |
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.right_margin = 30, .lower_margin = 0, |
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
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.lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, |
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.lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), |
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#ifdef CONFIG_BACKLIGHT_LOCOMO |
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.lcd_power = locomolcd_power |
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#endif |
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}; |
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static void __init collie_init(void) |
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{ |
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int ret = 0; |
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/* cpu initialize */ |
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GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | |
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GPIO_MCP_CLK | GPIO_32_768kHz; |
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GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | |
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GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | |
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GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | |
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_COLLIE_GPIO_UCB1x00_RESET | _COLLIE_GPIO_nMIC_ON | |
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_COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz; |
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PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | |
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PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | |
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PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM; |
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PWER = 0; |
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PGSR = _COLLIE_GPIO_nREMOCON_ON; |
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PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4; |
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PCFR = PCFR_OPDE; |
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GPSR |= _COLLIE_GPIO_UCB1x00_RESET; |
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sa11x0_ppc_configure_mcp(); |
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platform_scoop_config = &collie_pcmcia_config; |
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gpiod_add_lookup_table(&collie_power_gpiod_table); |
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gpiod_add_lookup_table(&collie_battery_gpiod_table); |
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ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
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if (ret) { |
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printk(KERN_WARNING "collie: Unable to register LoCoMo device\n"); |
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} |
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sa11x0_register_lcd(&collie_lcd_info); |
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sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, |
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ARRAY_SIZE(collie_flash_resources)); |
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sa11x0_register_mcp(&collie_mcp_data); |
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sa11x0_register_irda(&collie_ir_data); |
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sharpsl_save_param(); |
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} |
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static struct map_desc collie_io_desc[] __initdata = { |
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{ /* 32M main flash (cs0) */ |
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.virtual = 0xe8000000, |
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.pfn = __phys_to_pfn(0x00000000), |
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.length = 0x02000000, |
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.type = MT_DEVICE |
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}, { /* 32M boot flash (cs1) */ |
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.virtual = 0xea000000, |
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.pfn = __phys_to_pfn(0x08000000), |
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.length = 0x02000000, |
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.type = MT_DEVICE |
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} |
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}; |
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static void __init collie_map_io(void) |
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{ |
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sa1100_map_io(); |
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iotable_init(collie_io_desc, ARRAY_SIZE(collie_io_desc)); |
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#ifdef CONFIG_SHARP_LOCOMO |
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sa1100_register_uart_fns(&collie_port_fns); |
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#endif |
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sa1100_register_uart(0, 3); |
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sa1100_register_uart(1, 1); |
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} |
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MACHINE_START(COLLIE, "Sharp-Collie") |
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.map_io = collie_map_io, |
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.nr_irqs = SA1100_NR_IRQS, |
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.init_irq = sa1100_init_irq, |
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.init_time = sa1100_timer_init, |
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.init_machine = collie_init, |
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.init_late = sa11x0_init_late, |
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.restart = sa11x0_restart, |
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MACHINE_END
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