diff options
Diffstat (limited to 'arch/arm/mach-pxa/zeus.c')
| -rw-r--r-- | arch/arm/mach-pxa/zeus.c | 974 |
1 files changed, 0 insertions, 974 deletions
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c deleted file mode 100644 index ff0d8bb9f557..000000000000 --- a/arch/arm/mach-pxa/zeus.c +++ /dev/null @@ -1,974 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Support for the Arcom ZEUS. - * - * Copyright (C) 2006 Arcom Control Systems Ltd. - * - * Loosely based on Arcom's 2.6.16.28. - * Maintained by Marc Zyngier <maz@misterjones.org> - */ - -#include <linux/cpufreq.h> -#include <linux/interrupt.h> -#include <linux/leds.h> -#include <linux/irq.h> -#include <linux/pm.h> -#include <linux/property.h> -#include <linux/gpio.h> -#include <linux/gpio/machine.h> -#include <linux/serial_8250.h> -#include <linux/dm9000.h> -#include <linux/mmc/host.h> -#include <linux/spi/spi.h> -#include <linux/spi/pxa2xx_spi.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <linux/i2c.h> -#include <linux/platform_data/i2c-pxa.h> -#include <linux/platform_data/pca953x.h> -#include <linux/apm-emulation.h> -#include <linux/regulator/fixed.h> -#include <linux/regulator/machine.h> - -#include <asm/mach-types.h> -#include <asm/suspend.h> -#include <asm/system_info.h> -#include <asm/mach/arch.h> -#include <asm/mach/map.h> - -#include "pxa27x.h" -#include "devices.h" -#include "regs-uart.h" -#include <linux/platform_data/usb-ohci-pxa27x.h> -#include <linux/platform_data/mmc-pxamci.h> -#include "pxa27x-udc.h" -#include "udc.h" -#include <linux/platform_data/video-pxafb.h> -#include "pm.h" -#include <linux/platform_data/asoc-pxa.h> -#include "viper-pcmcia.h" -#include "zeus.h" -#include "smemc.h" - -#include "generic.h" - -/* - * Interrupt handling - */ - -static unsigned long zeus_irq_enabled_mask; -static const int zeus_isa_irqs[] = { 3, 4, 5, 6, 7, 10, 11, 12, }; -static const int zeus_isa_irq_map[] = { - 0, /* ISA irq #0, invalid */ - 0, /* ISA irq #1, invalid */ - 0, /* ISA irq #2, invalid */ - 1 << 0, /* ISA irq #3 */ - 1 << 1, /* ISA irq #4 */ - 1 << 2, /* ISA irq #5 */ - 1 << 3, /* ISA irq #6 */ - 1 << 4, /* ISA irq #7 */ - 0, /* ISA irq #8, invalid */ - 0, /* ISA irq #9, invalid */ - 1 << 5, /* ISA irq #10 */ - 1 << 6, /* ISA irq #11 */ - 1 << 7, /* ISA irq #12 */ -}; - -static inline int zeus_irq_to_bitmask(unsigned int irq) -{ - return zeus_isa_irq_map[irq - PXA_ISA_IRQ(0)]; -} - -static inline int zeus_bit_to_irq(int bit) -{ - return zeus_isa_irqs[bit] + PXA_ISA_IRQ(0); -} - -static void zeus_ack_irq(struct irq_data *d) -{ - __raw_writew(zeus_irq_to_bitmask(d->irq), ZEUS_CPLD_ISA_IRQ); -} - -static void zeus_mask_irq(struct irq_data *d) -{ - zeus_irq_enabled_mask &= ~(zeus_irq_to_bitmask(d->irq)); -} - -static void zeus_unmask_irq(struct irq_data *d) -{ - zeus_irq_enabled_mask |= zeus_irq_to_bitmask(d->irq); -} - -static inline unsigned long zeus_irq_pending(void) -{ - return __raw_readw(ZEUS_CPLD_ISA_IRQ) & zeus_irq_enabled_mask; -} - -static void zeus_irq_handler(struct irq_desc *desc) -{ - unsigned int irq; - unsigned long pending; - - pending = zeus_irq_pending(); - do { - /* we're in a chained irq handler, - * so ack the interrupt by hand */ - desc->irq_data.chip->irq_ack(&desc->irq_data); - - if (likely(pending)) { - irq = zeus_bit_to_irq(__ffs(pending)); - generic_handle_irq(irq); - } - pending = zeus_irq_pending(); - } while (pending); -} - -static struct irq_chip zeus_irq_chip = { - .name = "ISA", - .irq_ack = zeus_ack_irq, - .irq_mask = zeus_mask_irq, - .irq_unmask = zeus_unmask_irq, -}; - -static void __init zeus_init_irq(void) -{ - int level; - int isa_irq; - - pxa27x_init_irq(); - - /* Peripheral IRQs. It would be nice to move those inside driver - configuration, but it is not supported at the moment. */ - irq_set_irq_type(gpio_to_irq(ZEUS_AC97_GPIO), IRQ_TYPE_EDGE_RISING); - irq_set_irq_type(gpio_to_irq(ZEUS_WAKEUP_GPIO), IRQ_TYPE_EDGE_RISING); - irq_set_irq_type(gpio_to_irq(ZEUS_PTT_GPIO), IRQ_TYPE_EDGE_RISING); - irq_set_irq_type(gpio_to_irq(ZEUS_EXTGPIO_GPIO), - IRQ_TYPE_EDGE_FALLING); - irq_set_irq_type(gpio_to_irq(ZEUS_CAN_GPIO), IRQ_TYPE_EDGE_FALLING); - - /* Setup ISA IRQs */ - for (level = 0; level < ARRAY_SIZE(zeus_isa_irqs); level++) { - isa_irq = zeus_bit_to_irq(level); - irq_set_chip_and_handler(isa_irq, &zeus_irq_chip, - handle_edge_irq); - irq_clear_status_flags(isa_irq, IRQ_NOREQUEST | IRQ_NOPROBE); - } - - irq_set_irq_type(gpio_to_irq(ZEUS_ISA_GPIO), IRQ_TYPE_EDGE_RISING); - irq_set_chained_handler(gpio_to_irq(ZEUS_ISA_GPIO), zeus_irq_handler); -} - - -/* - * Platform devices - */ - -/* Flash */ -static struct resource zeus_mtd_resources[] = { - [0] = { /* NOR Flash (up to 64MB) */ - .start = ZEUS_FLASH_PHYS, - .end = ZEUS_FLASH_PHYS + SZ_64M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { /* SRAM */ - .start = ZEUS_SRAM_PHYS, - .end = ZEUS_SRAM_PHYS + SZ_512K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct physmap_flash_data zeus_flash_data[] = { - [0] = { - .width = 2, - .parts = NULL, - .nr_parts = 0, - }, -}; - -static struct platform_device zeus_mtd_devices[] = { - [0] = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &zeus_flash_data[0], - }, - .resource = &zeus_mtd_resources[0], - .num_resources = 1, - }, -}; - -/* Serial */ -static struct resource zeus_serial_resources[] = { - { - .start = 0x10000000, - .end = 0x1000000f, - .flags = IORESOURCE_MEM, - }, - { - .start = 0x10800000, - .end = 0x1080000f, - .flags = IORESOURCE_MEM, - }, - { - .start = 0x11000000, - .end = 0x1100000f, - .flags = IORESOURCE_MEM, - }, - { - .start = 0x40100000, - .end = 0x4010001f, - .flags = IORESOURCE_MEM, - }, - { - .start = 0x40200000, - .end = 0x4020001f, - .flags = IORESOURCE_MEM, - }, - { - .start = 0x40700000, - .end = 0x4070001f, - .flags = IORESOURCE_MEM, - }, -}; - -static struct plat_serial8250_port serial_platform_data[] = { - /* External UARTs */ - /* FIXME: Shared IRQs on COM1-COM4 will not work properly on v1i1 hardware. */ - { /* COM1 */ - .mapbase = 0x10000000, - .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTA_GPIO), - .irqflags = IRQF_TRIGGER_RISING, - .uartclk = 14745600, - .regshift = 1, - .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - }, - { /* COM2 */ - .mapbase = 0x10800000, - .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTB_GPIO), - .irqflags = IRQF_TRIGGER_RISING, - .uartclk = 14745600, - .regshift = 1, - .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - }, - { /* COM3 */ - .mapbase = 0x11000000, - .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTC_GPIO), - .irqflags = IRQF_TRIGGER_RISING, - .uartclk = 14745600, - .regshift = 1, - .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - }, - { /* COM4 */ - .mapbase = 0x11800000, - .irq = PXA_GPIO_TO_IRQ(ZEUS_UARTD_GPIO), - .irqflags = IRQF_TRIGGER_RISING, - .uartclk = 14745600, - .regshift = 1, - .flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - }, - /* Internal UARTs */ - { /* FFUART */ - .membase = (void *)&FFUART, - .mapbase = __PREG(FFUART), - .irq = IRQ_FFUART, - .uartclk = 921600 * 16, - .regshift = 2, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - }, - { /* BTUART */ - .membase = (void *)&BTUART, - .mapbase = __PREG(BTUART), - .irq = IRQ_BTUART, - .uartclk = 921600 * 16, - .regshift = 2, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - }, - { /* STUART */ - .membase = (void *)&STUART, - .mapbase = __PREG(STUART), - .irq = IRQ_STUART, - .uartclk = 921600 * 16, - .regshift = 2, - .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, - .iotype = UPIO_MEM, - }, - { }, -}; - -static struct platform_device zeus_serial_device = { - .name = "serial8250", - .id = PLAT8250_DEV_PLATFORM, - .dev = { - .platform_data = serial_platform_data, - }, - .num_resources = ARRAY_SIZE(zeus_serial_resources), - .resource = zeus_serial_resources, -}; - -/* Ethernet */ -static struct resource zeus_dm9k0_resource[] = { - [0] = { - .start = ZEUS_ETH0_PHYS, - .end = ZEUS_ETH0_PHYS + 1, - .flags = IORESOURCE_MEM - }, - [1] = { - .start = ZEUS_ETH0_PHYS + 2, - .end = ZEUS_ETH0_PHYS + 3, - .flags = IORESOURCE_MEM - }, - [2] = { - .start = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO), - .end = PXA_GPIO_TO_IRQ(ZEUS_ETH0_GPIO), - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, - }, -}; - -static struct resource zeus_dm9k1_resource[] = { - [0] = { - .start = ZEUS_ETH1_PHYS, - .end = ZEUS_ETH1_PHYS + 1, - .flags = IORESOURCE_MEM - }, - [1] = { - .start = ZEUS_ETH1_PHYS + 2, - .end = ZEUS_ETH1_PHYS + 3, - .flags = IORESOURCE_MEM, - }, - [2] = { - .start = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO), - .end = PXA_GPIO_TO_IRQ(ZEUS_ETH1_GPIO), - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE, - }, -}; - -static struct dm9000_plat_data zeus_dm9k_platdata = { - .flags = DM9000_PLATF_16BITONLY, -}; - -static struct platform_device zeus_dm9k0_device = { - .name = "dm9000", - .id = 0, - .num_resources = ARRAY_SIZE(zeus_dm9k0_resource), - .resource = zeus_dm9k0_resource, - .dev = { - .platform_data = &zeus_dm9k_platdata, - } -}; - -static struct platform_device zeus_dm9k1_device = { - .name = "dm9000", - .id = 1, - .num_resources = ARRAY_SIZE(zeus_dm9k1_resource), - .resource = zeus_dm9k1_resource, - .dev = { - .platform_data = &zeus_dm9k_platdata, - } -}; - -/* External SRAM */ -static struct resource zeus_sram_resource = { - .start = ZEUS_SRAM_PHYS, - .end = ZEUS_SRAM_PHYS + ZEUS_SRAM_SIZE * 2 - 1, - .flags = IORESOURCE_MEM, -}; - -static struct platform_device zeus_sram_device = { - .name = "pxa2xx-8bit-sram", - .id = 0, - .num_resources = 1, - .resource = &zeus_sram_resource, -}; - -/* SPI interface on SSP3 */ -static struct pxa2xx_spi_controller pxa2xx_spi_ssp3_master_info = { - .num_chipselect = 1, - .enable_dma = 1, -}; - -/* CAN bus on SPI */ -static struct regulator_consumer_supply can_regulator_consumer = - REGULATOR_SUPPLY("vdd", "spi3.0"); - -static struct regulator_init_data can_regulator_init_data = { - .constraints = { - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - }, - .consumer_supplies = &can_regulator_consumer, - .num_consumer_supplies = 1, -}; - -static struct fixed_voltage_config can_regulator_pdata = { - .supply_name = "CAN_SHDN", - .microvolts = 3300000, - .init_data = &can_regulator_init_data, -}; - -static struct platform_device can_regulator_device = { - .name = "reg-fixed-voltage", - .id = 0, - .dev = { - .platform_data = &can_regulator_pdata, - }, -}; - -static struct gpiod_lookup_table can_regulator_gpiod_table = { - .dev_id = "reg-fixed-voltage.0", - .table = { - GPIO_LOOKUP("gpio-pxa", ZEUS_CAN_SHDN_GPIO, - NULL, GPIO_ACTIVE_LOW), - { }, - }, -}; - -static const struct property_entry mcp251x_properties[] = { - PROPERTY_ENTRY_U32("clock-frequency", 16000000), - {} -}; - -static const struct software_node mcp251x_node = { - .properties = mcp251x_properties, -}; - -static struct spi_board_info zeus_spi_board_info[] = { - [0] = { - .modalias = "mcp2515", - .swnode = &mcp251x_node, - .irq = PXA_GPIO_TO_IRQ(ZEUS_CAN_GPIO), - .max_speed_hz = 1*1000*1000, - .bus_num = 3, - .mode = SPI_MODE_0, - .chip_select = 0, - }, -}; - -/* Leds */ -static struct gpio_led zeus_leds[] = { - [0] = { - .name = "zeus:yellow:1", - .default_trigger = "heartbeat", - .gpio = ZEUS_EXT0_GPIO(3), - .active_low = 1, - }, - [1] = { - .name = "zeus:yellow:2", - .default_trigger = "default-on", - .gpio = ZEUS_EXT0_GPIO(4), - .active_low = 1, - }, - [2] = { - .name = "zeus:yellow:3", - .default_trigger = "default-on", - .gpio = ZEUS_EXT0_GPIO(5), - .active_low = 1, - }, -}; - -static struct gpio_led_platform_data zeus_leds_info = { - .leds = zeus_leds, - .num_leds = ARRAY_SIZE(zeus_leds), -}; - -static struct platform_device zeus_leds_device = { - .name = "leds-gpio", - .id = -1, - .dev = { - .platform_data = &zeus_leds_info, - }, -}; - -static void zeus_cf_reset(int state) -{ - u16 cpld_state = __raw_readw(ZEUS_CPLD_CONTROL); - - if (state) - cpld_state |= ZEUS_CPLD_CONTROL_CF_RST; - else - cpld_state &= ~ZEUS_CPLD_CONTROL_CF_RST; - - __raw_writew(cpld_state, ZEUS_CPLD_CONTROL); -} - -static struct arcom_pcmcia_pdata zeus_pcmcia_info = { - .cd_gpio = ZEUS_CF_CD_GPIO, - .rdy_gpio = ZEUS_CF_RDY_GPIO, - .pwr_gpio = ZEUS_CF_PWEN_GPIO, - .reset = zeus_cf_reset, -}; - -static struct platform_device zeus_pcmcia_device = { - .name = "zeus-pcmcia", - .id = -1, - .dev = { - .platform_data = &zeus_pcmcia_info, - }, -}; - -static struct resource zeus_max6369_resource = { - .start = ZEUS_CPLD_EXTWDOG_PHYS, - .end = ZEUS_CPLD_EXTWDOG_PHYS, - .flags = IORESOURCE_MEM, -}; - -struct platform_device zeus_max6369_device = { - .name = "max6369_wdt", - .id = -1, - .resource = &zeus_max6369_resource, - .num_resources = 1, -}; - -/* AC'97 */ -static pxa2xx_audio_ops_t zeus_ac97_info = { - .reset_gpio = 95, -}; - - -/* - * USB host - */ - -static struct regulator_consumer_supply zeus_ohci_regulator_supplies[] = { - REGULATOR_SUPPLY("vbus2", "pxa27x-ohci"), -}; - -static struct regulator_init_data zeus_ohci_regulator_data = { - .constraints = { - .valid_ops_mask = REGULATOR_CHANGE_STATUS, - }, - .num_consumer_supplies = ARRAY_SIZE(zeus_ohci_regulator_supplies), - .consumer_supplies = zeus_ohci_regulator_supplies, -}; - -static struct fixed_voltage_config zeus_ohci_regulator_config = { - .supply_name = "vbus2", - .microvolts = 5000000, /* 5.0V */ - .startup_delay = 0, - .init_data = &zeus_ohci_regulator_data, -}; - -static struct platform_device zeus_ohci_regulator_device = { - .name = "reg-fixed-voltage", - .id = 1, - .dev = { - .platform_data = &zeus_ohci_regulator_config, - }, -}; - -static struct gpiod_lookup_table zeus_ohci_regulator_gpiod_table = { - .dev_id = "reg-fixed-voltage.0", - .table = { - GPIO_LOOKUP("gpio-pxa", ZEUS_USB2_PWREN_GPIO, - NULL, GPIO_ACTIVE_HIGH), - { }, - }, -}; - -static struct pxaohci_platform_data zeus_ohci_platform_data = { - .port_mode = PMM_NPS_MODE, - /* Clear Power Control Polarity Low and set Power Sense - * Polarity Low. Supply power to USB ports. */ - .flags = ENABLE_PORT_ALL | POWER_SENSE_LOW, -}; - -static void __init zeus_register_ohci(void) -{ - /* Port 2 is shared between host and client interface. */ - UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE; - - pxa_set_ohci_info(&zeus_ohci_platform_data); -} - -/* - * Flat Panel - */ - -static void zeus_lcd_power(int on, struct fb_var_screeninfo *si) -{ - gpio_set_value(ZEUS_LCD_EN_GPIO, on); -} - -static void zeus_backlight_power(int on) -{ - gpio_set_value(ZEUS_BKLEN_GPIO, on); -} - -static int zeus_setup_fb_gpios(void) -{ - int err; - - if ((err = gpio_request(ZEUS_LCD_EN_GPIO, "LCD_EN"))) - goto out_err; - - if ((err = gpio_direction_output(ZEUS_LCD_EN_GPIO, 0))) - goto out_err_lcd; - - if ((err = gpio_request(ZEUS_BKLEN_GPIO, "BKLEN"))) - goto out_err_lcd; - - if ((err = gpio_direction_output(ZEUS_BKLEN_GPIO, 0))) - goto out_err_bkl; - - return 0; - -out_err_bkl: - gpio_free(ZEUS_BKLEN_GPIO); -out_err_lcd: - gpio_free(ZEUS_LCD_EN_GPIO); -out_err: - return err; -} - -static struct pxafb_mode_info zeus_fb_mode_info[] = { - { - .pixclock = 39722, - - .xres = 640, - .yres = 480, - - .bpp = 16, - - .hsync_len = 63, - .left_margin = 16, - .right_margin = 81, - - .vsync_len = 2, - .upper_margin = 12, - .lower_margin = 31, - - .sync = 0, - }, -}; - -static struct pxafb_mach_info zeus_fb_info = { - .modes = zeus_fb_mode_info, - .num_modes = 1, - .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, - .pxafb_lcd_power = zeus_lcd_power, - .pxafb_backlight_power = zeus_backlight_power, -}; - -/* - * MMC/SD Device - * - * The card detect interrupt isn't debounced so we delay it by 250ms - * to give the card a chance to fully insert/eject. - */ - -static struct pxamci_platform_data zeus_mci_platform_data = { - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .detect_delay_ms = 250, - .gpio_card_ro_invert = 1, -}; - -static struct gpiod_lookup_table zeus_mci_gpio_table = { - .dev_id = "pxa2xx-mci.0", - .table = { - GPIO_LOOKUP("gpio-pxa", ZEUS_MMC_CD_GPIO, - "cd", GPIO_ACTIVE_LOW), - GPIO_LOOKUP("gpio-pxa", ZEUS_MMC_WP_GPIO, - "wp", GPIO_ACTIVE_HIGH), - { }, - }, -}; - -/* - * USB Device Controller - */ -static void zeus_udc_command(int cmd) -{ - switch (cmd) { - case PXA2XX_UDC_CMD_DISCONNECT: - pr_info("zeus: disconnecting USB client\n"); - UP2OCR = UP2OCR_HXOE | UP2OCR_HXS | UP2OCR_DMPDE | UP2OCR_DPPDE; - break; - - case PXA2XX_UDC_CMD_CONNECT: - pr_info("zeus: connecting USB client\n"); - UP2OCR = UP2OCR_HXOE | UP2OCR_DPPUE; - break; - } -} - -static struct pxa2xx_udc_mach_info zeus_udc_info = { - .udc_command = zeus_udc_command, -}; - -static struct platform_device *zeus_devices[] __initdata = { - &zeus_serial_device, - &zeus_mtd_devices[0], - &zeus_dm9k0_device, - &zeus_dm9k1_device, - &zeus_sram_device, - &zeus_leds_device, - &zeus_pcmcia_device, - &zeus_max6369_device, - &can_regulator_device, - &zeus_ohci_regulator_device, -}; - -#ifdef CONFIG_PM -static void zeus_power_off(void) -{ - local_irq_disable(); - cpu_suspend(PWRMODE_DEEPSLEEP, pxa27x_finish_suspend); -} -#else -#define zeus_power_off NULL -#endif - -#ifdef CONFIG_APM_EMULATION -static void zeus_get_power_status(struct apm_power_info *info) -{ - /* Power supply is always present */ - info->ac_line_status = APM_AC_ONLINE; - info->battery_status = APM_BATTERY_STATUS_NOT_PRESENT; - info->battery_flag = APM_BATTERY_FLAG_NOT_PRESENT; -} - -static inline void zeus_setup_apm(void) -{ - apm_get_power_status = zeus_get_power_status; -} -#else -static inline void zeus_setup_apm(void) -{ -} -#endif - -static int zeus_get_pcb_info(struct i2c_client *client, unsigned gpio, - unsigned ngpio, void *context) -{ - int i; - u8 pcb_info = 0; - - for (i = 0; i < 8; i++) { - int pcb_bit = gpio + i + 8; - - if (gpio_request(pcb_bit, "pcb info")) { - dev_err(&client->dev, "Can't request pcb info %d\n", i); - continue; - } - - if (gpio_direction_input(pcb_bit)) { - dev_err(&client->dev, "Can't read pcb info %d\n", i); - gpio_free(pcb_bit); - continue; - } - - pcb_info |= !!gpio_get_value(pcb_bit) << i; - - gpio_free(pcb_bit); - } - - dev_info(&client->dev, "Zeus PCB version %d issue %d\n", - pcb_info >> 4, pcb_info & 0xf); - - return 0; -} - -static struct pca953x_platform_data zeus_pca953x_pdata[] = { - [0] = { .gpio_base = ZEUS_EXT0_GPIO_BASE, }, - [1] = { - .gpio_base = ZEUS_EXT1_GPIO_BASE, - .setup = zeus_get_pcb_info, - }, - [2] = { .gpio_base = ZEUS_USER_GPIO_BASE, }, -}; - -static struct i2c_board_info __initdata zeus_i2c_devices[] = { - { - I2C_BOARD_INFO("pca9535", 0x21), - .platform_data = &zeus_pca953x_pdata[0], - }, - { - I2C_BOARD_INFO("pca9535", 0x22), - .platform_data = &zeus_pca953x_pdata[1], - }, - { - I2C_BOARD_INFO("pca9535", 0x20), - .platform_data = &zeus_pca953x_pdata[2], - .irq = PXA_GPIO_TO_IRQ(ZEUS_EXTGPIO_GPIO), - }, - { I2C_BOARD_INFO("lm75a", 0x48) }, - { I2C_BOARD_INFO("24c01", 0x50) }, - { I2C_BOARD_INFO("isl1208", 0x6f) }, -}; - -static mfp_cfg_t zeus_pin_config[] __initdata = { - /* AC97 */ - GPIO28_AC97_BITCLK, - GPIO29_AC97_SDATA_IN_0, - GPIO30_AC97_SDATA_OUT, - GPIO31_AC97_SYNC, - - GPIO15_nCS_1, - GPIO78_nCS_2, - GPIO80_nCS_4, - GPIO33_nCS_5, - - GPIO22_GPIO, - GPIO32_MMC_CLK, - GPIO92_MMC_DAT_0, - GPIO109_MMC_DAT_1, - GPIO110_MMC_DAT_2, - GPIO111_MMC_DAT_3, - GPIO112_MMC_CMD, - - GPIO88_USBH1_PWR, - GPIO89_USBH1_PEN, - GPIO119_USBH2_PWR, - GPIO120_USBH2_PEN, - - GPIO86_LCD_LDD_16, - GPIO87_LCD_LDD_17, - - GPIO102_GPIO, - GPIO104_CIF_DD_2, - GPIO105_CIF_DD_1, - - GPIO81_SSP3_TXD, - GPIO82_SSP3_RXD, - GPIO83_SSP3_SFRM, - GPIO84_SSP3_SCLK, - - GPIO48_nPOE, - GPIO49_nPWE, - GPIO50_nPIOR, - GPIO51_nPIOW, - GPIO85_nPCE_1, - GPIO54_nPCE_2, - GPIO79_PSKTSEL, - GPIO55_nPREG, - GPIO56_nPWAIT, - GPIO57_nIOIS16, - GPIO36_GPIO, /* CF CD */ - GPIO97_GPIO, /* CF PWREN */ - GPIO99_GPIO, /* CF RDY */ -}; - -/* - * DM9k MSCx settings: SRAM, 16 bits - * 17 cycles delay first access - * 5 cycles delay next access - * 13 cycles recovery time - * faster device - */ -#define DM9K_MSC_VALUE 0xe4c9 - -static void __init zeus_init(void) -{ - u16 dm9000_msc = DM9K_MSC_VALUE; - u32 msc0, msc1; - - system_rev = __raw_readw(ZEUS_CPLD_VERSION); - pr_info("Zeus CPLD V%dI%d\n", (system_rev & 0xf0) >> 4, (system_rev & 0x0f)); - - /* Fix timings for dm9000s (CS1/CS2)*/ - msc0 = (__raw_readl(MSC0) & 0x0000ffff) | (dm9000_msc << 16); - msc1 = (__raw_readl(MSC1) & 0xffff0000) | dm9000_msc; - __raw_writel(msc0, MSC0); - __raw_writel(msc1, MSC1); - - pm_power_off = zeus_power_off; - zeus_setup_apm(); - - pxa2xx_mfp_config(ARRAY_AND_SIZE(zeus_pin_config)); - - gpiod_add_lookup_table(&can_regulator_gpiod_table); - gpiod_add_lookup_table(&zeus_ohci_regulator_gpiod_table); - platform_add_devices(zeus_devices, ARRAY_SIZE(zeus_devices)); - - zeus_register_ohci(); - - if (zeus_setup_fb_gpios()) - pr_err("Failed to setup fb gpios\n"); - else - pxa_set_fb_info(NULL, &zeus_fb_info); - - gpiod_add_lookup_table(&zeus_mci_gpio_table); - pxa_set_mci_info(&zeus_mci_platform_data); - pxa_set_udc_info(&zeus_udc_info); - pxa_set_ac97_info(&zeus_ac97_info); - pxa_set_i2c_info(NULL); - i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices)); - pxa2xx_set_spi_info(3, &pxa2xx_spi_ssp3_master_info); - spi_register_board_info(zeus_spi_board_info, ARRAY_SIZE(zeus_spi_board_info)); - - regulator_has_full_constraints(); -} - -static struct map_desc zeus_io_desc[] __initdata = { - { - .virtual = (unsigned long)ZEUS_CPLD_VERSION, - .pfn = __phys_to_pfn(ZEUS_CPLD_VERSION_PHYS), - .length = 0x1000, - .type = MT_DEVICE, - }, - { - .virtual = (unsigned long)ZEUS_CPLD_ISA_IRQ, - .pfn = __phys_to_pfn(ZEUS_CPLD_ISA_IRQ_PHYS), - .length = 0x1000, - .type = MT_DEVICE, - }, - { - .virtual = (unsigned long)ZEUS_CPLD_CONTROL, - .pfn = __phys_to_pfn(ZEUS_CPLD_CONTROL_PHYS), - .length = 0x1000, - .type = MT_DEVICE, - }, - { - .virtual = (unsigned long)ZEUS_PC104IO, - .pfn = __phys_to_pfn(ZEUS_PC104IO_PHYS), - .length = 0x00800000, - .type = MT_DEVICE, - }, - { - /* - * ISA I/O space mapping: - * - ports 0x0000-0x0fff are PC/104 - * - ports 0x10000-0x10fff are PCMCIA slot 1 - * - ports 0x11000-0x11fff are PC/104 - */ - .virtual = PCI_IO_VIRT_BASE, - .pfn = __phys_to_pfn(ZEUS_PC104IO_PHYS), - .length = 0x1000, - .type = MT_DEVICE, - }, -}; - -static void __init zeus_map_io(void) -{ - pxa27x_map_io(); - - iotable_init(zeus_io_desc, ARRAY_SIZE(zeus_io_desc)); - - /* Clear PSPR to ensure a full restart on wake-up. */ - PMCR = PSPR = 0; - - /* enable internal 32.768Khz oscillator (ignore OSCC_OOK) */ - writel(readl(OSCC) | OSCC_OON, OSCC); - - /* Some clock cycles later (from OSCC_ON), programme PCFR (OPDE...). - * float chip selects and PCMCIA */ - PCFR = PCFR_OPDE | PCFR_DC_EN | PCFR_FS | PCFR_FP; -} - -MACHINE_START(ARCOM_ZEUS, "Arcom/Eurotech ZEUS") - /* Maintainer: Marc Zyngier <maz@misterjones.org> */ - .atag_offset = 0x100, - .map_io = zeus_map_io, - .nr_irqs = ZEUS_NR_IRQS, - .init_irq = zeus_init_irq, - .handle_irq = pxa27x_handle_irq, - .init_time = pxa_timer_init, - .init_machine = zeus_init, - .restart = pxa_restart, -MACHINE_END - |