diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-pxa/lubbock.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-pxa/lubbock.c | 561 |
1 files changed, 0 insertions, 561 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-pxa/lubbock.c b/ANDROID_3.4.5/arch/arm/mach-pxa/lubbock.c deleted file mode 100644 index 6bb3f47b..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-pxa/lubbock.c +++ /dev/null @@ -1,561 +0,0 @@ -/* - * linux/arch/arm/mach-pxa/lubbock.c - * - * Support for the Intel DBPXA250 Development Platform. - * - * Author: Nicolas Pitre - * Created: Jun 15, 2001 - * Copyright: MontaVista Software Inc. - * - * 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/gpio.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/syscore_ops.h> -#include <linux/major.h> -#include <linux/fb.h> -#include <linux/interrupt.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/partitions.h> -#include <linux/smc91x.h> - -#include <linux/spi/spi.h> -#include <linux/spi/ads7846.h> -#include <linux/spi/pxa2xx_spi.h> - -#include <asm/setup.h> -#include <asm/memory.h> -#include <asm/mach-types.h> -#include <mach/hardware.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 <asm/hardware/sa1111.h> - -#include <mach/pxa25x.h> -#include <mach/audio.h> -#include <mach/lubbock.h> -#include <mach/udc.h> -#include <mach/irda.h> -#include <mach/pxafb.h> -#include <mach/mmc.h> -#include <mach/pm.h> -#include <mach/smemc.h> - -#include "generic.h" -#include "clock.h" -#include "devices.h" - -static unsigned long lubbock_pin_config[] __initdata = { - GPIO15_nCS_1, /* CS1 - Flash */ - GPIO78_nCS_2, /* CS2 - Baseboard FGPA */ - GPIO79_nCS_3, /* CS3 - SMC ethernet */ - GPIO80_nCS_4, /* CS4 - SA1111 */ - - /* SSP data pins */ - GPIO23_SSP1_SCLK, - GPIO25_SSP1_TXD, - GPIO26_SSP1_RXD, - - /* AC97 */ - GPIO28_AC97_BITCLK, - GPIO29_AC97_SDATA_IN_0, - GPIO30_AC97_SDATA_OUT, - GPIO31_AC97_SYNC, - - /* LCD - 16bpp DSTN */ - GPIOxx_LCD_DSTN_16BPP, - - /* BTUART */ - GPIO42_BTUART_RXD, - GPIO43_BTUART_TXD, - GPIO44_BTUART_CTS, - GPIO45_BTUART_RTS, - - /* PC Card */ - GPIO48_nPOE, - GPIO49_nPWE, - GPIO50_nPIOR, - GPIO51_nPIOW, - GPIO52_nPCE_1, - GPIO53_nPCE_2, - GPIO54_nPSKTSEL, - GPIO55_nPREG, - GPIO56_nPWAIT, - GPIO57_nIOIS16, - - /* MMC */ - GPIO6_MMC_CLK, - GPIO8_MMC_CS0, - - /* wakeup */ - GPIO1_GPIO | WAKEUP_ON_EDGE_RISE, -}; - -#define LUB_HEXLED __LUB_REG(LUBBOCK_FPGA_PHYS + 0x010) -#define LUB_MISC_WR __LUB_REG(LUBBOCK_FPGA_PHYS + 0x080) - -void lubbock_set_hexled(uint32_t value) -{ - LUB_HEXLED = value; -} - -void lubbock_set_misc_wr(unsigned int mask, unsigned int set) -{ - unsigned long flags; - - local_irq_save(flags); - LUB_MISC_WR = (LUB_MISC_WR & ~mask) | (set & mask); - local_irq_restore(flags); -} -EXPORT_SYMBOL(lubbock_set_misc_wr); - -static unsigned long lubbock_irq_enabled; - -static void lubbock_mask_irq(struct irq_data *d) -{ - int lubbock_irq = (d->irq - LUBBOCK_IRQ(0)); - LUB_IRQ_MASK_EN = (lubbock_irq_enabled &= ~(1 << lubbock_irq)); -} - -static void lubbock_unmask_irq(struct irq_data *d) -{ - int lubbock_irq = (d->irq - LUBBOCK_IRQ(0)); - /* the irq can be acknowledged only if deasserted, so it's done here */ - LUB_IRQ_SET_CLR &= ~(1 << lubbock_irq); - LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq)); -} - -static struct irq_chip lubbock_irq_chip = { - .name = "FPGA", - .irq_ack = lubbock_mask_irq, - .irq_mask = lubbock_mask_irq, - .irq_unmask = lubbock_unmask_irq, -}; - -static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc) -{ - unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled; - do { - /* clear our parent irq */ - desc->irq_data.chip->irq_ack(&desc->irq_data); - if (likely(pending)) { - irq = LUBBOCK_IRQ(0) + __ffs(pending); - generic_handle_irq(irq); - } - pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled; - } while (pending); -} - -static void __init lubbock_init_irq(void) -{ - int irq; - - pxa25x_init_irq(); - - /* setup extra lubbock irqs */ - for (irq = LUBBOCK_IRQ(0); irq <= LUBBOCK_LAST_IRQ; irq++) { - irq_set_chip_and_handler(irq, &lubbock_irq_chip, - handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); - } - - irq_set_chained_handler(PXA_GPIO_TO_IRQ(0), lubbock_irq_handler); - irq_set_irq_type(PXA_GPIO_TO_IRQ(0), IRQ_TYPE_EDGE_FALLING); -} - -#ifdef CONFIG_PM - -static void lubbock_irq_resume(void) -{ - LUB_IRQ_MASK_EN = lubbock_irq_enabled; -} - -static struct syscore_ops lubbock_irq_syscore_ops = { - .resume = lubbock_irq_resume, -}; - -static int __init lubbock_irq_device_init(void) -{ - if (machine_is_lubbock()) { - register_syscore_ops(&lubbock_irq_syscore_ops); - return 0; - } - return -ENODEV; -} - -device_initcall(lubbock_irq_device_init); - -#endif - -static int lubbock_udc_is_connected(void) -{ - return (LUB_MISC_RD & (1 << 9)) == 0; -} - -static struct pxa2xx_udc_mach_info udc_info __initdata = { - .udc_is_connected = lubbock_udc_is_connected, - // no D+ pullup; lubbock can't connect/disconnect in software -}; - -static struct resource sa1111_resources[] = { - [0] = { - .start = 0x10000000, - .end = 0x10001fff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = LUBBOCK_SA1111_IRQ, - .end = LUBBOCK_SA1111_IRQ, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct sa1111_platform_data sa1111_info = { - .irq_base = LUBBOCK_SA1111_IRQ_BASE, - .disable_devs = SA1111_DEVID_SAC, -}; - -static struct platform_device sa1111_device = { - .name = "sa1111", - .id = -1, - .num_resources = ARRAY_SIZE(sa1111_resources), - .resource = sa1111_resources, - .dev = { - .platform_data = &sa1111_info, - }, -}; - -/* ADS7846 is connected through SSP ... and if your board has J5 populated, - * you can select it to replace the ucb1400 by switching the touchscreen cable - * (to J5) and poking board registers (as done below). Else it's only useful - * for the temperature sensors. - */ -static struct pxa2xx_spi_master pxa_ssp_master_info = { - .num_chipselect = 1, -}; - -static int lubbock_ads7846_pendown_state(void) -{ - /* TS_BUSY is bit 8 in LUB_MISC_RD, but pendown is irq-only */ - return 0; -} - -static struct ads7846_platform_data ads_info = { - .model = 7846, - .vref_delay_usecs = 100, /* internal, no cap */ - .get_pendown_state = lubbock_ads7846_pendown_state, - // .x_plate_ohms = 500, /* GUESS! */ - // .y_plate_ohms = 500, /* GUESS! */ -}; - -static void ads7846_cs(u32 command) -{ - static const unsigned TS_nCS = 1 << 11; - lubbock_set_misc_wr(TS_nCS, (command == PXA2XX_CS_ASSERT) ? 0 : TS_nCS); -} - -static struct pxa2xx_spi_chip ads_hw = { - .tx_threshold = 1, - .rx_threshold = 2, - .cs_control = ads7846_cs, -}; - -static struct spi_board_info spi_board_info[] __initdata = { { - .modalias = "ads7846", - .platform_data = &ads_info, - .controller_data = &ads_hw, - .irq = LUBBOCK_BB_IRQ, - .max_speed_hz = 120000 /* max sample rate at 3V */ - * 26 /* command + data + overhead */, - .bus_num = 1, - .chip_select = 0, -}, -}; - -static struct resource smc91x_resources[] = { - [0] = { - .name = "smc91x-regs", - .start = 0x0c000c00, - .end = 0x0c0fffff, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = LUBBOCK_ETH_IRQ, - .end = LUBBOCK_ETH_IRQ, - .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, - }, - [2] = { - .name = "smc91x-attrib", - .start = 0x0e000000, - .end = 0x0e0fffff, - .flags = IORESOURCE_MEM, - }, -}; - -static struct smc91x_platdata lubbock_smc91x_info = { - .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_IO_SHIFT_2, -}; - -static struct platform_device smc91x_device = { - .name = "smc91x", - .id = -1, - .num_resources = ARRAY_SIZE(smc91x_resources), - .resource = smc91x_resources, - .dev = { - .platform_data = &lubbock_smc91x_info, - }, -}; - -static struct resource flash_resources[] = { - [0] = { - .start = 0x00000000, - .end = SZ_64M - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = 0x04000000, - .end = 0x04000000 + SZ_64M - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct mtd_partition lubbock_partitions[] = { - { - .name = "Bootloader", - .size = 0x00040000, - .offset = 0, - .mask_flags = MTD_WRITEABLE /* force read-only */ - },{ - .name = "Kernel", - .size = 0x00100000, - .offset = 0x00040000, - },{ - .name = "Filesystem", - .size = MTDPART_SIZ_FULL, - .offset = 0x00140000 - } -}; - -static struct flash_platform_data lubbock_flash_data[2] = { - { - .map_name = "cfi_probe", - .parts = lubbock_partitions, - .nr_parts = ARRAY_SIZE(lubbock_partitions), - }, { - .map_name = "cfi_probe", - .parts = NULL, - .nr_parts = 0, - } -}; - -static struct platform_device lubbock_flash_device[2] = { - { - .name = "pxa2xx-flash", - .id = 0, - .dev = { - .platform_data = &lubbock_flash_data[0], - }, - .resource = &flash_resources[0], - .num_resources = 1, - }, - { - .name = "pxa2xx-flash", - .id = 1, - .dev = { - .platform_data = &lubbock_flash_data[1], - }, - .resource = &flash_resources[1], - .num_resources = 1, - }, -}; - -static struct platform_device *devices[] __initdata = { - &sa1111_device, - &smc91x_device, - &lubbock_flash_device[0], - &lubbock_flash_device[1], -}; - -static struct pxafb_mode_info sharp_lm8v31_mode = { - .pixclock = 270000, - .xres = 640, - .yres = 480, - .bpp = 16, - .hsync_len = 1, - .left_margin = 3, - .right_margin = 3, - .vsync_len = 1, - .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_lm8v31 = { - .modes = &sharp_lm8v31_mode, - .num_modes = 1, - .cmap_inverse = 0, - .cmap_static = 0, - .lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL | - LCD_AC_BIAS_FREQ(255), -}; - -#define MMC_POLL_RATE msecs_to_jiffies(1000) - -static void lubbock_mmc_poll(unsigned long); -static irq_handler_t mmc_detect_int; - -static struct timer_list mmc_timer = { - .function = lubbock_mmc_poll, -}; - -static void lubbock_mmc_poll(unsigned long data) -{ - unsigned long flags; - - /* clear any previous irq state, then ... */ - local_irq_save(flags); - LUB_IRQ_SET_CLR &= ~(1 << 0); - local_irq_restore(flags); - - /* poll until mmc/sd card is removed */ - if (LUB_IRQ_SET_CLR & (1 << 0)) - mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); - else { - (void) mmc_detect_int(LUBBOCK_SD_IRQ, (void *)data); - enable_irq(LUBBOCK_SD_IRQ); - } -} - -static irqreturn_t lubbock_detect_int(int irq, void *data) -{ - /* IRQ is level triggered; disable, and poll for removal */ - disable_irq(irq); - mod_timer(&mmc_timer, jiffies + MMC_POLL_RATE); - - return mmc_detect_int(irq, data); -} - -static int lubbock_mci_init(struct device *dev, - irq_handler_t detect_int, - void *data) -{ - /* detect card insert/eject */ - mmc_detect_int = detect_int; - init_timer(&mmc_timer); - mmc_timer.data = (unsigned long) data; - return request_irq(LUBBOCK_SD_IRQ, lubbock_detect_int, - IRQF_SAMPLE_RANDOM, "lubbock-sd-detect", data); -} - -static int lubbock_mci_get_ro(struct device *dev) -{ - return (LUB_MISC_RD & (1 << 2)) != 0; -} - -static void lubbock_mci_exit(struct device *dev, void *data) -{ - free_irq(LUBBOCK_SD_IRQ, data); - del_timer_sync(&mmc_timer); -} - -static struct pxamci_platform_data lubbock_mci_platform_data = { - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .detect_delay_ms = 10, - .init = lubbock_mci_init, - .get_ro = lubbock_mci_get_ro, - .exit = lubbock_mci_exit, - .gpio_card_detect = -1, - .gpio_card_ro = -1, - .gpio_power = -1, -}; - -static void lubbock_irda_transceiver_mode(struct device *dev, int mode) -{ - unsigned long flags; - - local_irq_save(flags); - if (mode & IR_SIRMODE) { - LUB_MISC_WR &= ~(1 << 4); - } else if (mode & IR_FIRMODE) { - LUB_MISC_WR |= 1 << 4; - } - pxa2xx_transceiver_mode(dev, mode); - local_irq_restore(flags); -} - -static struct pxaficp_platform_data lubbock_ficp_platform_data = { - .gpio_pwdown = -1, - .transceiver_cap = IR_SIRMODE | IR_FIRMODE, - .transceiver_mode = lubbock_irda_transceiver_mode, -}; - -static void __init lubbock_init(void) -{ - int flashboot = (LUB_CONF_SWITCHES & 1); - - pxa2xx_mfp_config(ARRAY_AND_SIZE(lubbock_pin_config)); - - pxa_set_ffuart_info(NULL); - pxa_set_btuart_info(NULL); - pxa_set_stuart_info(NULL); - - clk_add_alias("SA1111_CLK", NULL, "GPIO11_CLK", NULL); - pxa_set_udc_info(&udc_info); - pxa_set_fb_info(NULL, &sharp_lm8v31); - pxa_set_mci_info(&lubbock_mci_platform_data); - pxa_set_ficp_info(&lubbock_ficp_platform_data); - pxa_set_ac97_info(NULL); - - lubbock_flash_data[0].width = lubbock_flash_data[1].width = - (__raw_readl(BOOT_DEF) & 1) ? 2 : 4; - /* Compensate for the nROMBT switch which swaps the flash banks */ - printk(KERN_NOTICE "Lubbock configured to boot from %s (bank %d)\n", - flashboot?"Flash":"ROM", flashboot); - - lubbock_flash_data[flashboot^1].name = "application-flash"; - lubbock_flash_data[flashboot].name = "boot-rom"; - (void) platform_add_devices(devices, ARRAY_SIZE(devices)); - - pxa2xx_set_spi_info(1, &pxa_ssp_master_info); - spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); -} - -static struct map_desc lubbock_io_desc[] __initdata = { - { /* CPLD */ - .virtual = LUBBOCK_FPGA_VIRT, - .pfn = __phys_to_pfn(LUBBOCK_FPGA_PHYS), - .length = 0x00100000, - .type = MT_DEVICE - } -}; - -static void __init lubbock_map_io(void) -{ - pxa25x_map_io(); - iotable_init(lubbock_io_desc, ARRAY_SIZE(lubbock_io_desc)); - - PCFR |= PCFR_OPDE; -} - -MACHINE_START(LUBBOCK, "Intel DBPXA250 Development Platform (aka Lubbock)") - /* Maintainer: MontaVista Software Inc. */ - .map_io = lubbock_map_io, - .nr_irqs = LUBBOCK_NR_IRQS, - .init_irq = lubbock_init_irq, - .handle_irq = pxa25x_handle_irq, - .timer = &pxa_timer, - .init_machine = lubbock_init, - .restart = pxa_restart, -MACHINE_END |