| /* |
| * linux/arch/arm/mach-pxa/trizeps4.c |
| * |
| * Support for the Keith und Koep Trizeps4 Module Platform. |
| * |
| * Author: Jürgen Schindele |
| * Created: 20 02, 2006 |
| * Copyright: Jürgen Schindele |
| * |
| * 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/init.h> |
| #include <linux/kernel.h> |
| #include <linux/platform_device.h> |
| #include <linux/sysdev.h> |
| #include <linux/interrupt.h> |
| #include <linux/sched.h> |
| #include <linux/bitops.h> |
| #include <linux/fb.h> |
| #include <linux/ioport.h> |
| #include <linux/delay.h> |
| #include <linux/gpio.h> |
| #include <linux/dm9000.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/mtd/partitions.h> |
| #include <linux/i2c/pxa-i2c.h> |
| |
| #include <asm/types.h> |
| #include <asm/setup.h> |
| #include <asm/memory.h> |
| #include <asm/mach-types.h> |
| #include <asm/irq.h> |
| #include <asm/sizes.h> |
| |
| #include <asm/mach/arch.h> |
| #include <asm/mach/map.h> |
| #include <asm/mach/irq.h> |
| #include <asm/mach/flash.h> |
| |
| #include <mach/pxa27x.h> |
| #include <mach/trizeps4.h> |
| #include <mach/audio.h> |
| #include <mach/pxafb.h> |
| #include <mach/mmc.h> |
| #include <mach/irda.h> |
| #include <mach/ohci.h> |
| #include <mach/smemc.h> |
| |
| #include "generic.h" |
| #include "devices.h" |
| |
| /* comment out the following line if you want to use the |
| * Standard UART from PXA for serial / irda transmission |
| * and acivate it if you have status leds connected */ |
| #define STATUS_LEDS_ON_STUART_PINS 1 |
| |
| /***************************************************************************** |
| * MultiFunctionPins of CPU |
| *****************************************************************************/ |
| static unsigned long trizeps4_pin_config[] __initdata = { |
| /* Chip Selects */ |
| GPIO15_nCS_1, /* DiskOnChip CS */ |
| GPIO93_GPIO, /* TRIZEPS4_DOC_IRQ */ |
| GPIO94_GPIO, /* DOC lock */ |
| |
| GPIO78_nCS_2, /* DM9000 CS */ |
| GPIO101_GPIO, /* TRIZEPS4_ETH_IRQ */ |
| |
| GPIO79_nCS_3, /* Logic CS */ |
| GPIO0_GPIO | WAKEUP_ON_EDGE_RISE, /* Logic irq */ |
| |
| /* AC97 */ |
| GPIO28_AC97_BITCLK, |
| GPIO29_AC97_SDATA_IN_0, |
| GPIO30_AC97_SDATA_OUT, |
| GPIO31_AC97_SYNC, |
| |
| /* LCD - 16bpp Active TFT */ |
| GPIOxx_LCD_TFT_16BPP, |
| |
| /* UART */ |
| GPIO9_FFUART_CTS, |
| GPIO10_FFUART_DCD, |
| GPIO16_FFUART_TXD, |
| GPIO33_FFUART_DSR, |
| GPIO38_FFUART_RI, |
| GPIO82_FFUART_DTR, |
| GPIO83_FFUART_RTS, |
| GPIO96_FFUART_RXD, |
| |
| GPIO42_BTUART_RXD, |
| GPIO43_BTUART_TXD, |
| GPIO44_BTUART_CTS, |
| GPIO45_BTUART_RTS, |
| #ifdef STATUS_LEDS_ON_STUART_PINS |
| GPIO46_GPIO, |
| GPIO47_GPIO, |
| #else |
| GPIO46_STUART_RXD, |
| GPIO47_STUART_TXD, |
| #endif |
| /* PCMCIA */ |
| GPIO11_GPIO, /* TRIZEPS4_CD_IRQ */ |
| GPIO13_GPIO, /* TRIZEPS4_READY_NINT */ |
| GPIO48_nPOE, |
| GPIO49_nPWE, |
| GPIO50_nPIOR, |
| GPIO51_nPIOW, |
| GPIO54_nPCE_2, |
| GPIO55_nPREG, |
| GPIO56_nPWAIT, |
| GPIO57_nIOIS16, |
| GPIO102_nPCE_1, |
| GPIO104_PSKTSEL, |
| |
| /* MultiMediaCard */ |
| GPIO32_MMC_CLK, |
| GPIO92_MMC_DAT_0, |
| GPIO109_MMC_DAT_1, |
| GPIO110_MMC_DAT_2, |
| GPIO111_MMC_DAT_3, |
| GPIO112_MMC_CMD, |
| GPIO12_GPIO, /* TRIZEPS4_MMC_IRQ */ |
| |
| /* USB OHCI */ |
| GPIO88_USBH1_PWR, /* USBHPWR1 */ |
| GPIO89_USBH1_PEN, /* USBHPEN1 */ |
| |
| /* I2C */ |
| GPIO117_I2C_SCL, |
| GPIO118_I2C_SDA, |
| }; |
| |
| static unsigned long trizeps4wl_pin_config[] __initdata = { |
| /* SSP 2 */ |
| GPIO14_SSP2_SFRM, |
| GPIO19_SSP2_SCLK, |
| GPIO53_GPIO, /* TRIZEPS4_SPI_IRQ */ |
| GPIO86_SSP2_RXD, |
| GPIO87_SSP2_TXD, |
| }; |
| |
| /**************************************************************************** |
| * ONBOARD FLASH |
| ****************************************************************************/ |
| static struct mtd_partition trizeps4_partitions[] = { |
| { |
| .name = "Bootloader", |
| .offset = 0x00000000, |
| .size = 0x00040000, |
| .mask_flags = MTD_WRITEABLE /* force read-only */ |
| }, { |
| .name = "Backup", |
| .offset = 0x00040000, |
| .size = 0x00040000, |
| }, { |
| .name = "Image", |
| .offset = 0x00080000, |
| .size = 0x01080000, |
| }, { |
| .name = "IPSM", |
| .offset = 0x01100000, |
| .size = 0x00e00000, |
| }, { |
| .name = "Registry", |
| .offset = 0x01f00000, |
| .size = MTDPART_SIZ_FULL, |
| } |
| }; |
| |
| static struct physmap_flash_data trizeps4_flash_data[] = { |
| { |
| .width = 4, /* bankwidth in bytes */ |
| .parts = trizeps4_partitions, |
| .nr_parts = ARRAY_SIZE(trizeps4_partitions) |
| } |
| }; |
| |
| static struct resource flash_resource = { |
| .start = PXA_CS0_PHYS, |
| .end = PXA_CS0_PHYS + SZ_32M - 1, |
| .flags = IORESOURCE_MEM, |
| }; |
| |
| static struct platform_device flash_device = { |
| .name = "physmap-flash", |
| .id = 0, |
| .dev = { |
| .platform_data = trizeps4_flash_data, |
| }, |
| .resource = &flash_resource, |
| .num_resources = 1, |
| }; |
| |
| /**************************************************************************** |
| * DAVICOM DM9000 Ethernet |
| ****************************************************************************/ |
| static struct resource dm9000_resources[] = { |
| [0] = { |
| .start = TRIZEPS4_ETH_PHYS+0x300, |
| .end = TRIZEPS4_ETH_PHYS+0x400-1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = TRIZEPS4_ETH_PHYS+0x8300, |
| .end = TRIZEPS4_ETH_PHYS+0x8400-1, |
| .flags = IORESOURCE_MEM, |
| }, |
| [2] = { |
| .start = TRIZEPS4_ETH_IRQ, |
| .end = TRIZEPS4_ETH_IRQ, |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
| }, |
| }; |
| |
| static struct dm9000_plat_data tri_dm9000_platdata = { |
| .flags = DM9000_PLATF_32BITONLY, |
| }; |
| |
| static struct platform_device dm9000_device = { |
| .name = "dm9000", |
| .id = -1, |
| .num_resources = ARRAY_SIZE(dm9000_resources), |
| .resource = dm9000_resources, |
| .dev = { |
| .platform_data = &tri_dm9000_platdata, |
| } |
| }; |
| |
| /**************************************************************************** |
| * LED's on GPIO pins of PXA |
| ****************************************************************************/ |
| static struct gpio_led trizeps4_led[] = { |
| #ifdef STATUS_LEDS_ON_STUART_PINS |
| { |
| .name = "led0:orange:heartbeat", /* */ |
| .default_trigger = "heartbeat", |
| .gpio = GPIO_HEARTBEAT_LED, |
| .active_low = 1, |
| }, |
| { |
| .name = "led1:yellow:cpubusy", /* */ |
| .default_trigger = "cpu-busy", |
| .gpio = GPIO_SYS_BUSY_LED, |
| .active_low = 1, |
| }, |
| #endif |
| }; |
| |
| static struct gpio_led_platform_data trizeps4_led_data = { |
| .leds = trizeps4_led, |
| .num_leds = ARRAY_SIZE(trizeps4_led), |
| }; |
| |
| static struct platform_device leds_devices = { |
| .name = "leds-gpio", |
| .id = -1, |
| .dev = { |
| .platform_data = &trizeps4_led_data, |
| }, |
| }; |
| |
| static struct platform_device *trizeps4_devices[] __initdata = { |
| &flash_device, |
| &dm9000_device, |
| &leds_devices, |
| }; |
| |
| static struct platform_device *trizeps4wl_devices[] __initdata = { |
| &flash_device, |
| &leds_devices, |
| }; |
| |
| static short trizeps_conxs_bcr; |
| |
| /* PCCARD power switching supports only 3,3V */ |
| void board_pcmcia_power(int power) |
| { |
| if (power) { |
| /* switch power on, put in reset and enable buffers */ |
| trizeps_conxs_bcr |= power; |
| trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; |
| trizeps_conxs_bcr &= ~ConXS_BCR_CF_BUF_EN; |
| BCR_writew(trizeps_conxs_bcr); |
| /* wait a little */ |
| udelay(2000); |
| /* take reset away */ |
| trizeps_conxs_bcr &= ~ConXS_BCR_CF_RESET; |
| BCR_writew(trizeps_conxs_bcr); |
| udelay(2000); |
| } else { |
| /* put in reset */ |
| trizeps_conxs_bcr |= ConXS_BCR_CF_RESET; |
| BCR_writew(trizeps_conxs_bcr); |
| udelay(1000); |
| /* switch power off */ |
| trizeps_conxs_bcr &= ~0xf; |
| BCR_writew(trizeps_conxs_bcr); |
| } |
| pr_debug("%s: o%s 0x%x\n", __func__, power ? "n" : "ff", |
| trizeps_conxs_bcr); |
| } |
| EXPORT_SYMBOL(board_pcmcia_power); |
| |
| /* backlight power switching for LCD panel */ |
| static void board_backlight_power(int on) |
| { |
| if (on) |
| trizeps_conxs_bcr |= ConXS_BCR_L_DISP; |
| else |
| trizeps_conxs_bcr &= ~ConXS_BCR_L_DISP; |
| |
| pr_debug("%s: o%s 0x%x\n", __func__, on ? "n" : "ff", |
| trizeps_conxs_bcr); |
| BCR_writew(trizeps_conxs_bcr); |
| } |
| |
| /* a I2C based RTC is known on CONXS board */ |
| static struct i2c_board_info trizeps4_i2c_devices[] __initdata = { |
| { I2C_BOARD_INFO("rtc-pcf8593", 0x51) } |
| }; |
| |
| /**************************************************************************** |
| * MMC card slot external to module |
| ****************************************************************************/ |
| static int trizeps4_mci_init(struct device *dev, irq_handler_t mci_detect_int, |
| void *data) |
| { |
| int err; |
| |
| err = request_irq(TRIZEPS4_MMC_IRQ, mci_detect_int, |
| IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_SAMPLE_RANDOM, |
| "MMC card detect", data); |
| if (err) { |
| printk(KERN_ERR "trizeps4_mci_init: MMC/SD: can't request" |
| "MMC card detect IRQ\n"); |
| return -1; |
| } |
| return 0; |
| } |
| |
| static void trizeps4_mci_exit(struct device *dev, void *data) |
| { |
| free_irq(TRIZEPS4_MMC_IRQ, data); |
| } |
| |
| static struct pxamci_platform_data trizeps4_mci_platform_data = { |
| .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
| .detect_delay_ms= 10, |
| .init = trizeps4_mci_init, |
| .exit = trizeps4_mci_exit, |
| .get_ro = NULL, /* write-protection not supported */ |
| .setpower = NULL, /* power-switching not supported */ |
| .gpio_card_detect = -1, |
| .gpio_card_ro = -1, |
| .gpio_power = -1, |
| }; |
| |
| /**************************************************************************** |
| * IRDA mode switching on stuart |
| ****************************************************************************/ |
| #ifndef STATUS_LEDS_ON_STUART_PINS |
| static short trizeps_conxs_ircr; |
| |
| static int trizeps4_irda_startup(struct device *dev) |
| { |
| trizeps_conxs_ircr &= ~ConXS_IRCR_SD; |
| IRCR_writew(trizeps_conxs_ircr); |
| return 0; |
| } |
| |
| static void trizeps4_irda_shutdown(struct device *dev) |
| { |
| trizeps_conxs_ircr |= ConXS_IRCR_SD; |
| IRCR_writew(trizeps_conxs_ircr); |
| } |
| |
| static void trizeps4_irda_transceiver_mode(struct device *dev, int mode) |
| { |
| unsigned long flags; |
| |
| local_irq_save(flags); |
| /* Switch mode */ |
| if (mode & IR_SIRMODE) |
| trizeps_conxs_ircr &= ~ConXS_IRCR_MODE; /* Slow mode */ |
| else if (mode & IR_FIRMODE) |
| trizeps_conxs_ircr |= ConXS_IRCR_MODE; /* Fast mode */ |
| |
| /* Switch power */ |
| if (mode & IR_OFF) |
| trizeps_conxs_ircr |= ConXS_IRCR_SD; |
| else |
| trizeps_conxs_ircr &= ~ConXS_IRCR_SD; |
| |
| IRCR_writew(trizeps_conxs_ircr); |
| local_irq_restore(flags); |
| |
| pxa2xx_transceiver_mode(dev, mode); |
| } |
| |
| static struct pxaficp_platform_data trizeps4_ficp_platform_data = { |
| .gpio_pwdown = -1, |
| .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, |
| .transceiver_mode = trizeps4_irda_transceiver_mode, |
| .startup = trizeps4_irda_startup, |
| .shutdown = trizeps4_irda_shutdown, |
| }; |
| #endif |
| |
| /**************************************************************************** |
| * OHCI USB port |
| ****************************************************************************/ |
| static struct pxaohci_platform_data trizeps4_ohci_platform_data = { |
| .port_mode = PMM_PERPORT_MODE, |
| .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, |
| }; |
| |
| static struct map_desc trizeps4_io_desc[] __initdata = { |
| { /* ConXS CFSR */ |
| .virtual = TRIZEPS4_CFSR_VIRT, |
| .pfn = __phys_to_pfn(TRIZEPS4_CFSR_PHYS), |
| .length = 0x00001000, |
| .type = MT_DEVICE |
| }, |
| { /* ConXS BCR */ |
| .virtual = TRIZEPS4_BOCR_VIRT, |
| .pfn = __phys_to_pfn(TRIZEPS4_BOCR_PHYS), |
| .length = 0x00001000, |
| .type = MT_DEVICE |
| }, |
| { /* ConXS IRCR */ |
| .virtual = TRIZEPS4_IRCR_VIRT, |
| .pfn = __phys_to_pfn(TRIZEPS4_IRCR_PHYS), |
| .length = 0x00001000, |
| .type = MT_DEVICE |
| }, |
| { /* ConXS DCR */ |
| .virtual = TRIZEPS4_DICR_VIRT, |
| .pfn = __phys_to_pfn(TRIZEPS4_DICR_PHYS), |
| .length = 0x00001000, |
| .type = MT_DEVICE |
| }, |
| { /* ConXS UPSR */ |
| .virtual = TRIZEPS4_UPSR_VIRT, |
| .pfn = __phys_to_pfn(TRIZEPS4_UPSR_PHYS), |
| .length = 0x00001000, |
| .type = MT_DEVICE |
| } |
| }; |
| |
| static struct pxafb_mode_info sharp_lcd_mode = { |
| .pixclock = 78000, |
| .xres = 640, |
| .yres = 480, |
| .bpp = 8, |
| .hsync_len = 4, |
| .left_margin = 4, |
| .right_margin = 4, |
| .vsync_len = 2, |
| .upper_margin = 0, |
| .lower_margin = 0, |
| .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
| .cmap_greyscale = 0, |
| }; |
| |
| static struct pxafb_mach_info sharp_lcd = { |
| .modes = &sharp_lcd_mode, |
| .num_modes = 1, |
| .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL, |
| .cmap_inverse = 0, |
| .cmap_static = 0, |
| .pxafb_backlight_power = board_backlight_power, |
| }; |
| |
| static struct pxafb_mode_info toshiba_lcd_mode = { |
| .pixclock = 39720, |
| .xres = 640, |
| .yres = 480, |
| .bpp = 8, |
| .hsync_len = 63, |
| .left_margin = 12, |
| .right_margin = 12, |
| .vsync_len = 4, |
| .upper_margin = 32, |
| .lower_margin = 10, |
| .sync = 0, |
| .cmap_greyscale = 0, |
| }; |
| |
| static struct pxafb_mach_info toshiba_lcd = { |
| .modes = &toshiba_lcd_mode, |
| .num_modes = 1, |
| .lcd_conn = (LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL), |
| .cmap_inverse = 0, |
| .cmap_static = 0, |
| .pxafb_backlight_power = board_backlight_power, |
| }; |
| |
| static void __init trizeps4_init(void) |
| { |
| pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4_pin_config)); |
| if (machine_is_trizeps4wl()) { |
| pxa2xx_mfp_config(ARRAY_AND_SIZE(trizeps4wl_pin_config)); |
| platform_add_devices(trizeps4wl_devices, |
| ARRAY_SIZE(trizeps4wl_devices)); |
| } else { |
| platform_add_devices(trizeps4_devices, |
| ARRAY_SIZE(trizeps4_devices)); |
| } |
| |
| pxa_set_ffuart_info(NULL); |
| pxa_set_btuart_info(NULL); |
| pxa_set_stuart_info(NULL); |
| |
| if (0) /* dont know how to determine LCD */ |
| pxa_set_fb_info(NULL, &sharp_lcd); |
| else |
| pxa_set_fb_info(NULL, &toshiba_lcd); |
| |
| pxa_set_mci_info(&trizeps4_mci_platform_data); |
| #ifndef STATUS_LEDS_ON_STUART_PINS |
| pxa_set_ficp_info(&trizeps4_ficp_platform_data); |
| #endif |
| pxa_set_ohci_info(&trizeps4_ohci_platform_data); |
| pxa_set_ac97_info(NULL); |
| pxa_set_i2c_info(NULL); |
| i2c_register_board_info(0, trizeps4_i2c_devices, |
| ARRAY_SIZE(trizeps4_i2c_devices)); |
| |
| /* this is the reset value */ |
| trizeps_conxs_bcr = 0x00A0; |
| |
| BCR_writew(trizeps_conxs_bcr); |
| board_backlight_power(1); |
| } |
| |
| static void __init trizeps4_map_io(void) |
| { |
| pxa27x_map_io(); |
| iotable_init(trizeps4_io_desc, ARRAY_SIZE(trizeps4_io_desc)); |
| |
| if ((__raw_readl(MSC0) & 0x8) && (__raw_readl(BOOT_DEF) & 0x1)) { |
| /* if flash is 16 bit wide its a Trizeps4 WL */ |
| __machine_arch_type = MACH_TYPE_TRIZEPS4WL; |
| trizeps4_flash_data[0].width = 2; |
| } else { |
| /* if flash is 32 bit wide its a Trizeps4 */ |
| __machine_arch_type = MACH_TYPE_TRIZEPS4; |
| trizeps4_flash_data[0].width = 4; |
| } |
| } |
| |
| MACHINE_START(TRIZEPS4, "Keith und Koep Trizeps IV module") |
| /* MAINTAINER("Jürgen Schindele") */ |
| .boot_params = TRIZEPS4_SDRAM_BASE + 0x100, |
| .init_machine = trizeps4_init, |
| .map_io = trizeps4_map_io, |
| .init_irq = pxa27x_init_irq, |
| .timer = &pxa_timer, |
| MACHINE_END |
| |
| MACHINE_START(TRIZEPS4WL, "Keith und Koep Trizeps IV-WL module") |
| /* MAINTAINER("Jürgen Schindele") */ |
| .boot_params = TRIZEPS4_SDRAM_BASE + 0x100, |
| .init_machine = trizeps4_init, |
| .map_io = trizeps4_map_io, |
| .init_irq = pxa27x_init_irq, |
| .timer = &pxa_timer, |
| MACHINE_END |