diff options
Diffstat (limited to 'arch/arm/mach-pxa/balloon3.c')
| -rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 751 |
1 files changed, 606 insertions, 145 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index f3b5ace815e5..21e188901935 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -22,9 +22,14 @@ #include <linux/fb.h> #include <linux/gpio.h> #include <linux/ioport.h> +#include <linux/ucb1400.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/types.h> +#include <linux/i2c/pcf857x.h> +#include <linux/mtd/nand.h> +#include <linux/mtd/physmap.h> +#include <linux/regulator/max1586.h> #include <asm/setup.h> #include <asm/mach-types.h> @@ -51,6 +56,23 @@ #include "generic.h" #include "devices.h" +/****************************************************************************** + * Pin configuration + ******************************************************************************/ +static unsigned long balloon3_pin_config[] __initdata = { + /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */ + GPIO42_BTUART_RXD, + GPIO43_BTUART_TXD, + GPIO44_BTUART_CTS, + GPIO45_BTUART_RTS, + + /* Reset, configured as GPIO wakeup source */ + GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, +}; + +/****************************************************************************** + * Compatibility: Parameter parsing + ******************************************************************************/ static unsigned long balloon3_irq_enabled; static unsigned long balloon3_features_present = @@ -73,84 +95,124 @@ int __init parse_balloon3_features(char *arg) } early_param("balloon3_features", parse_balloon3_features); -static void balloon3_mask_irq(unsigned int irq) -{ - int balloon3_irq = (irq - BALLOON3_IRQ(0)); - balloon3_irq_enabled &= ~(1 << balloon3_irq); - __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); -} - -static void balloon3_unmask_irq(unsigned int irq) -{ - int balloon3_irq = (irq - BALLOON3_IRQ(0)); - balloon3_irq_enabled |= (1 << balloon3_irq); - __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); -} - -static struct irq_chip balloon3_irq_chip = { - .name = "FPGA", - .ack = balloon3_mask_irq, - .mask = balloon3_mask_irq, - .unmask = balloon3_unmask_irq, +/****************************************************************************** + * Compact Flash slot + ******************************************************************************/ +#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE) +static unsigned long balloon3_cf_pin_config[] __initdata = { + GPIO48_nPOE, + GPIO49_nPWE, + GPIO50_nPIOR, + GPIO51_nPIOW, + GPIO85_nPCE_1, + GPIO54_nPCE_2, + GPIO79_PSKTSEL, + GPIO55_nPREG, + GPIO56_nPWAIT, + GPIO57_nIOIS16, }; -static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc) +static void __init balloon3_cf_init(void) { - unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & - balloon3_irq_enabled; + if (!balloon3_has(BALLOON3_FEATURE_CF)) + return; - do { - /* clear useless edge notification */ - if (desc->chip->ack) - desc->chip->ack(BALLOON3_AUX_NIRQ); - while (pending) { - irq = BALLOON3_IRQ(0) + __ffs(pending); - generic_handle_irq(irq); - pending &= pending - 1; - } - pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & - balloon3_irq_enabled; - } while (pending); + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_cf_pin_config)); } +#else +static inline void balloon3_cf_init(void) {} +#endif + +/****************************************************************************** + * NOR Flash + ******************************************************************************/ +#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE) +static struct mtd_partition balloon3_nor_partitions[] = { + { + .name = "Flash", + .offset = 0x00000000, + .size = MTDPART_SIZ_FULL, + } +}; -static void __init balloon3_init_irq(void) -{ - int irq; - - pxa27x_init_irq(); - /* setup extra Balloon3 irqs */ - for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) { - set_irq_chip(irq, &balloon3_irq_chip); - set_irq_handler(irq, handle_level_irq); - set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); +static struct physmap_flash_data balloon3_flash_data[] = { + { + .width = 2, /* bankwidth in bytes */ + .parts = balloon3_nor_partitions, + .nr_parts = ARRAY_SIZE(balloon3_nor_partitions) } +}; - set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler); - set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING); +static struct resource balloon3_flash_resource = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; - pr_debug("%s: chained handler installed - irq %d automatically " - "enabled\n", __func__, BALLOON3_AUX_NIRQ); +static struct platform_device balloon3_flash = { + .name = "physmap-flash", + .id = 0, + .resource = &balloon3_flash_resource, + .num_resources = 1, + .dev = { + .platform_data = balloon3_flash_data, + }, +}; +static void __init balloon3_nor_init(void) +{ + platform_device_register(&balloon3_flash); } - -static unsigned long balloon3_ac97_pin_config[] = { +#else +static inline void balloon3_nor_init(void) {} +#endif + +/****************************************************************************** + * Audio and Touchscreen + ******************************************************************************/ +#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ + defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) +static unsigned long balloon3_ac97_pin_config[] __initdata = { GPIO28_AC97_BITCLK, GPIO29_AC97_SDATA_IN_0, GPIO30_AC97_SDATA_OUT, GPIO31_AC97_SYNC, GPIO113_AC97_nRESET, + GPIO95_GPIO, }; -static void balloon3_backlight_power(int on) +static struct ucb1400_pdata vpac270_ucb1400_pdata = { + .irq = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ), +}; + + +static struct platform_device balloon3_ucb1400_device = { + .name = "ucb1400_core", + .id = -1, + .dev = { + .platform_data = &vpac270_ucb1400_pdata, + }, +}; + +static void __init balloon3_ts_init(void) { - pr_debug("%s: power is %s\n", __func__, on ? "on" : "off"); - gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on); -} + if (!balloon3_has(BALLOON3_FEATURE_AUDIO)) + return; -static unsigned long balloon3_lcd_pin_config[] = { - /* LCD - 16bpp Active TFT */ + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config)); + pxa_set_ac97_info(NULL); + platform_device_register(&balloon3_ucb1400_device); +} +#else +static inline void balloon3_ts_init(void) {} +#endif + +/****************************************************************************** + * Framebuffer + ******************************************************************************/ +#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static unsigned long balloon3_lcd_pin_config[] __initdata = { GPIOxx_LCD_TFT_16BPP, - - GPIO99_GPIO, /* Backlight */ + GPIO99_GPIO, }; static struct pxafb_mode_info balloon3_lcd_modes[] = { @@ -169,14 +231,56 @@ static struct pxafb_mode_info balloon3_lcd_modes[] = { }, }; -static struct pxafb_mach_info balloon3_pxafb_info = { +static struct pxafb_mach_info balloon3_lcd_screen = { .modes = balloon3_lcd_modes, .num_modes = ARRAY_SIZE(balloon3_lcd_modes), .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, - .pxafb_backlight_power = balloon3_backlight_power, }; -static unsigned long balloon3_mmc_pin_config[] = { +static void balloon3_backlight_power(int on) +{ + gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on); +} + +static void __init balloon3_lcd_init(void) +{ + int ret; + + if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY)) + return; + + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config)); + + ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON"); + if (ret) { + pr_err("Requesting BKL-ON GPIO failed!\n"); + goto err; + } + + ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1); + if (ret) { + pr_err("Setting BKL-ON GPIO direction failed!\n"); + goto err2; + } + + balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power; + set_pxa_fb_info(&balloon3_lcd_screen); + return; + +err2: + gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT); +err: + return; +} +#else +static inline void balloon3_lcd_init(void) {} +#endif + +/****************************************************************************** + * SD/MMC card controller + ******************************************************************************/ +#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) +static unsigned long balloon3_mmc_pin_config[] __initdata = { GPIO32_MMC_CLK, GPIO92_MMC_DAT_0, GPIO109_MMC_DAT_1, @@ -185,86 +289,112 @@ static unsigned long balloon3_mmc_pin_config[] = { GPIO112_MMC_CMD, }; -static void balloon3_mci_setpower(struct device *dev, unsigned int vdd) -{ - struct pxamci_platform_data *p_d = dev->platform_data; - - if ((1 << vdd) & p_d->ocr_mask) { - pr_debug("%s: on\n", __func__); - /* FIXME something to prod here? */ - } else { - pr_debug("%s: off\n", __func__); - /* FIXME something to prod here? */ - } -} - static struct pxamci_platform_data balloon3_mci_platform_data = { - .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, - .setpower = balloon3_mci_setpower, + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .gpio_card_detect = -1, + .gpio_card_ro = -1, + .gpio_power = -1, + .detect_delay_ms = 200, }; -static int balloon3_udc_is_connected(void) +static void __init balloon3_mmc_init(void) { - pr_debug("%s: udc connected\n", __func__); - return 1; + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config)); + pxa_set_mci_info(&balloon3_mci_platform_data); } - +#else +static inline void balloon3_mmc_init(void) {} +#endif + +/****************************************************************************** + * USB Gadget + ******************************************************************************/ +#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE) static void balloon3_udc_command(int cmd) { - switch (cmd) { - case PXA2XX_UDC_CMD_CONNECT: - UP2OCR |= (UP2OCR_DPPUE + UP2OCR_DPPUBE); - pr_debug("%s: connect\n", __func__); - break; - case PXA2XX_UDC_CMD_DISCONNECT: + if (cmd == PXA2XX_UDC_CMD_CONNECT) + UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE; + else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) UP2OCR &= ~UP2OCR_DPPUE; - pr_debug("%s: disconnect\n", __func__); - break; - } } -static struct pxa2xx_udc_mach_info balloon3_udc_info = { - .udc_is_connected = balloon3_udc_is_connected, - .udc_command = balloon3_udc_command, +static int balloon3_udc_is_connected(void) +{ + return 1; +} + +static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = { + .udc_command = balloon3_udc_command, + .udc_is_connected = balloon3_udc_is_connected, + .gpio_pullup = -1, }; +static void __init balloon3_udc_init(void) +{ + pxa_set_udc_info(&balloon3_udc_info); + platform_device_register(&balloon3_gpio_vbus); +} +#else +static inline void balloon3_udc_init(void) {} +#endif + +/****************************************************************************** + * IrDA + ******************************************************************************/ +#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) static struct pxaficp_platform_data balloon3_ficp_platform_data = { - .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, + .transceiver_cap = IR_FIRMODE | IR_SIRMODE | IR_OFF, }; -static unsigned long balloon3_ohci_pin_config[] = { +static void __init balloon3_irda_init(void) +{ + pxa_set_ficp_info(&balloon3_ficp_platform_data); +} +#else +static inline void balloon3_irda_init(void) {} +#endif + +/****************************************************************************** + * USB Host + ******************************************************************************/ +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static unsigned long balloon3_uhc_pin_config[] __initdata = { GPIO88_USBH1_PWR, GPIO89_USBH1_PEN, }; -static struct pxaohci_platform_data balloon3_ohci_platform_data = { +static struct pxaohci_platform_data balloon3_ohci_info = { .port_mode = PMM_PERPORT_MODE, .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, }; -static unsigned long balloon3_pin_config[] __initdata = { - /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */ - GPIO42_BTUART_RXD, - GPIO43_BTUART_TXD, - GPIO44_BTUART_CTS, - GPIO45_BTUART_RTS, - - /* Wakeup GPIO */ - GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, - - /* NAND & IDLE LED GPIOs */ - GPIO9_GPIO, - GPIO10_GPIO, +static void __init balloon3_uhc_init(void) +{ + if (!balloon3_has(BALLOON3_FEATURE_OHCI)) + return; + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_uhc_pin_config)); + pxa_set_ohci_info(&balloon3_ohci_info); +} +#else +static inline void balloon3_uhc_init(void) {} +#endif + +/****************************************************************************** + * LEDs + ******************************************************************************/ +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +static unsigned long balloon3_led_pin_config[] __initdata = { + GPIO9_GPIO, /* NAND activity LED */ + GPIO10_GPIO, /* Heartbeat LED */ }; -static struct gpio_led balloon3_gpio_leds[] = { +struct gpio_led balloon3_gpio_leds[] = { { .name = "balloon3:green:idle", .default_trigger = "heartbeat", .gpio = BALLOON3_GPIO_LED_IDLE, .active_low = 1, - }, - { + }, { .name = "balloon3:green:nand", .default_trigger = "nand-disk", .gpio = BALLOON3_GPIO_LED_NAND, @@ -272,61 +402,393 @@ static struct gpio_led balloon3_gpio_leds[] = { }, }; -static struct gpio_led_platform_data balloon3_gpio_leds_platform_data = { +static struct gpio_led_platform_data balloon3_gpio_led_info = { .leds = balloon3_gpio_leds, .num_leds = ARRAY_SIZE(balloon3_gpio_leds), }; -static struct platform_device balloon3led_device = { +static struct platform_device balloon3_leds = { .name = "leds-gpio", - .id = -1, + .id = 0, .dev = { - .platform_data = &balloon3_gpio_leds_platform_data, + .platform_data = &balloon3_gpio_led_info, + } +}; + +struct gpio_led balloon3_pcf_gpio_leds[] = { + { + .name = "balloon3:green:led0", + .gpio = BALLOON3_PCF_GPIO_LED0, + .active_low = 1, + }, { + .name = "balloon3:green:led1", + .gpio = BALLOON3_PCF_GPIO_LED1, + .active_low = 1, + }, { + .name = "balloon3:orange:led2", + .gpio = BALLOON3_PCF_GPIO_LED2, + .active_low = 1, + }, { + .name = "balloon3:orange:led3", + .gpio = BALLOON3_PCF_GPIO_LED3, + .active_low = 1, + }, { + .name = "balloon3:orange:led4", + .gpio = BALLOON3_PCF_GPIO_LED4, + .active_low = 1, + }, { + .name = "balloon3:orange:led5", + .gpio = BALLOON3_PCF_GPIO_LED5, + .active_low = 1, + }, { + .name = "balloon3:red:led6", + .gpio = BALLOON3_PCF_GPIO_LED6, + .active_low = 1, + }, { + .name = "balloon3:red:led7", + .gpio = BALLOON3_PCF_GPIO_LED7, + .active_low = 1, }, }; -static void __init balloon3_init(void) +static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = { + .leds = balloon3_pcf_gpio_leds, + .num_leds = ARRAY_SIZE(balloon3_pcf_gpio_leds), +}; + +static struct platform_device balloon3_pcf_leds = { + .name = "leds-gpio", + .id = 1, + .dev = { + .platform_data = &balloon3_pcf_gpio_led_info, + } +}; + +static void __init balloon3_leds_init(void) { - pr_info("Initialising Balloon3\n"); + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_led_pin_config)); + platform_device_register(&balloon3_leds); + platform_device_register(&balloon3_pcf_leds); +} +#else +static inline void balloon3_leds_init(void) {} +#endif - /* system bus arbiter setting - * - Core_Park - * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4 - */ - ARB_CNTRL = ARB_CORE_PARK | 0x234; +/****************************************************************************** + * FPGA IRQ + ******************************************************************************/ +static void balloon3_mask_irq(unsigned int irq) +{ + int balloon3_irq = (irq - BALLOON3_IRQ(0)); + balloon3_irq_enabled &= ~(1 << balloon3_irq); + __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); +} - pxa_set_ffuart_info(NULL); - pxa_set_btuart_info(NULL); - pxa_set_stuart_info(NULL); +static void balloon3_unmask_irq(unsigned int irq) +{ + int balloon3_irq = (irq - BALLOON3_IRQ(0)); + balloon3_irq_enabled |= (1 << balloon3_irq); + __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG); +} + +static struct irq_chip balloon3_irq_chip = { + .name = "FPGA", + .ack = balloon3_mask_irq, + .mask = balloon3_mask_irq, + .unmask = balloon3_unmask_irq, +}; +static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc) +{ + unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & + balloon3_irq_enabled; + do { + /* clear useless edge notification */ + if (desc->chip->ack) + desc->chip->ack(BALLOON3_AUX_NIRQ); + while (pending) { + irq = BALLOON3_IRQ(0) + __ffs(pending); + generic_handle_irq(irq); + pending &= pending - 1; + } + pending = __raw_readl(BALLOON3_INT_CONTROL_REG) & + balloon3_irq_enabled; + } while (pending); +} + +static void __init balloon3_init_irq(void) +{ + int irq; + + pxa27x_init_irq(); + /* setup extra Balloon3 irqs */ + for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) { + set_irq_chip(irq, &balloon3_irq_chip); + set_irq_handler(irq, handle_level_irq); + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); + } + + set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler); + set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING); + + pr_debug("%s: chained handler installed - irq %d automatically " + "enabled\n", __func__, BALLOON3_AUX_NIRQ); +} + +/****************************************************************************** + * GPIO expander + ******************************************************************************/ +#if defined(CONFIG_GPIO_PCF857X) || defined(CONFIG_GPIO_PCF857X_MODULE) +static struct pcf857x_platform_data balloon3_pcf857x_pdata = { + .gpio_base = BALLOON3_PCF_GPIO_BASE, + .n_latch = 0, + .setup = NULL, + .teardown = NULL, + .context = NULL, +}; + +static struct i2c_board_info __initdata balloon3_i2c_devs[] = { + { + I2C_BOARD_INFO("pcf8574a", 0x38), + .platform_data = &balloon3_pcf857x_pdata, + }, +}; + +static void __init balloon3_i2c_init(void) +{ pxa_set_i2c_info(NULL); - if (balloon3_has(BALLOON3_FEATURE_AUDIO)) { - pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config)); - pxa_set_ac97_info(NULL); + i2c_register_board_info(0, ARRAY_AND_SIZE(balloon3_i2c_devs)); +} +#else +static inline void balloon3_i2c_init(void) {} +#endif + +/****************************************************************************** + * NAND + ******************************************************************************/ +#if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE) +static uint16_t balloon3_ctl = + BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 | + BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 | + BALLOON3_NAND_CONTROL_FLWP; + +static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl) +{ + struct nand_chip *this = mtd->priv; + + if (ctrl & NAND_CTRL_CHANGE) { + if (ctrl & NAND_CLE) + balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCLE; + else + balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLCLE; + + if (ctrl & NAND_ALE) + balloon3_ctl |= BALLOON3_NAND_CONTROL_FLALE; + else + balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLALE; + + __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG); } - if (balloon3_has(BALLOON3_FEATURE_TOPPOLY)) { - pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config)); - gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, - "LCD Backlight Power"); - gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1); - set_pxa_fb_info(&balloon3_pxafb_info); + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); +} + +static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip) +{ + if (chip < 0 || chip > 3) + return; + + balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCE0 | + BALLOON3_NAND_CONTROL_FLCE1 | + BALLOON3_NAND_CONTROL_FLCE2 | + BALLOON3_NAND_CONTROL_FLCE3; + + /* Deassert correct nCE line */ + balloon3_ctl &= ~(BALLOON3_NAND_CONTROL_FLCE0 << chip); + + __raw_writew(balloon3_ctl, BALLOON3_NAND_CONTROL_REG); +} + +static int balloon3_nand_probe(struct platform_device *pdev) +{ + void __iomem *temp_map; + uint16_t ver; + int ret; + + __raw_writew(BALLOON3_NAND_CONTROL2_16BIT, BALLOON3_NAND_CONTROL2_REG); + + ver = __raw_readw(BALLOON3_FPGA_VER); + if (ver > 0x0201) + pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. " + "NAND support might be broken in this version!", ver); + + /* Power up the NAND chips */ + ret = gpio_request(BALLOON3_GPIO_RUN_NAND, "NAND"); + if (ret) + goto err1; + + ret = gpio_direction_output(BALLOON3_GPIO_RUN_NAND, 1); + if (ret) + goto err2; + + gpio_set_value(BALLOON3_GPIO_RUN_NAND, 1); + + /* Deassert all nCE lines and write protect line */ + __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG); + return 0; + +err2: + gpio_free(BALLOON3_GPIO_RUN_NAND); +err1: + return ret; +} + +static void balloon3_nand_remove(struct platform_device *pdev) +{ + /* Power down the NAND chips */ + gpio_set_value(BALLOON3_GPIO_RUN_NAND, 0); + gpio_free(BALLOON3_GPIO_RUN_NAND); +} + +static struct mtd_partition balloon3_partition_info[] = { + [0] = { + .name = "Boot", + .offset = 0, + .size = SZ_4M, + }, + [1] = { + .name = "RootFS", + .offset = MTDPART_OFS_APPEND, + .size = MTDPART_SIZ_FULL + }, +}; + +static const char *balloon3_part_probes[] = { "cmdlinepart", NULL }; + +struct platform_nand_data balloon3_nand_pdata = { + .chip = { + .nr_chips = 4, + .chip_offset = 0, + .nr_partitions = ARRAY_SIZE(balloon3_partition_info), + .partitions = balloon3_partition_info, + .chip_delay = 50, + .part_probe_types = balloon3_part_probes, + }, + .ctrl = { + .hwcontrol = 0, + .dev_ready = 0, + .select_chip = balloon3_nand_select_chip, + .cmd_ctrl = balloon3_nand_cmd_ctl, + .probe = balloon3_nand_probe, + .remove = balloon3_nand_remove, + }, +}; + +static struct resource balloon3_nand_resource[] = { + [0] = { + .start = BALLOON3_NAND_BASE, + .end = BALLOON3_NAND_BASE + 0x4, + .flags = IORESOURCE_MEM, + }, +}; + +static struct platform_device balloon3_nand = { + .name = "gen_nand", + .num_resources = ARRAY_SIZE(balloon3_nand_resource), + .resource = balloon3_nand_resource, + .id = -1, + .dev = { + .platform_data = &balloon3_nand_pdata, } +}; - if (balloon3_has(BALLOON3_FEATURE_MMC)) { - pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config)); - pxa_set_mci_info(&balloon3_mci_platform_data); +static void __init balloon3_nand_init(void) +{ + platform_device_register(&balloon3_nand); +} +#else +static inline void balloon3_nand_init(void) {} +#endif + +/****************************************************************************** + * Core power regulator + ******************************************************************************/ +#if defined(CONFIG_REGULATOR_MAX1586) || \ + defined(CONFIG_REGULATOR_MAX1586_MODULE) +static struct regulator_consumer_supply balloon3_max1587a_consumers[] = { + { + .supply = "vcc_core", } - pxa_set_ficp_info(&balloon3_ficp_platform_data); - if (balloon3_has(BALLOON3_FEATURE_OHCI)) { - pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ohci_pin_config)); - pxa_set_ohci_info(&balloon3_ohci_platform_data); +}; + +static struct regulator_init_data balloon3_max1587a_v3_info = { + .constraints = { + .name = "vcc_core range", + .min_uV = 900000, + .max_uV = 1705000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .consumer_supplies = balloon3_max1587a_consumers, + .num_consumer_supplies = ARRAY_SIZE(balloon3_max1587a_consumers), +}; + +static struct max1586_subdev_data balloon3_max1587a_subdevs[] = { + { + .name = "vcc_core", + .id = MAX1586_V3, + .platform_data = &balloon3_max1587a_v3_info, } - pxa_set_udc_info(&balloon3_udc_info); +}; + +static struct max1586_platform_data balloon3_max1587a_info = { + .subdevs = balloon3_max1587a_subdevs, + .num_subdevs = ARRAY_SIZE(balloon3_max1587a_subdevs), + .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ +}; + +static struct i2c_board_info __initdata balloon3_pi2c_board_info[] = { + { + I2C_BOARD_INFO("max1586", 0x14), + .platform_data = &balloon3_max1587a_info, + }, +}; + +static void __init balloon3_pmic_init(void) +{ + pxa27x_set_i2c_power_info(NULL); + i2c_register_board_info(1, ARRAY_AND_SIZE(balloon3_pi2c_board_info)); +} +#else +static inline void balloon3_pmic_init(void) {} +#endif + +/****************************************************************************** + * Machine init + ******************************************************************************/ +static void __init balloon3_init(void) +{ + ARB_CNTRL = ARB_CORE_PARK | 0x234; pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config)); - platform_device_register(&balloon3led_device); + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + balloon3_i2c_init(); + balloon3_irda_init(); + balloon3_lcd_init(); + balloon3_leds_init(); + balloon3_mmc_init(); + balloon3_nand_init(); + balloon3_nor_init(); + balloon3_pmic_init(); + balloon3_ts_init(); + balloon3_udc_init(); + balloon3_uhc_init(); + balloon3_cf_init(); } static struct map_desc balloon3_io_desc[] __initdata = { @@ -346,9 +808,8 @@ static void __init balloon3_map_io(void) MACHINE_START(BALLOON3, "Balloon3") /* Maintainer: Nick Bane. */ - .phys_io = 0x40000000, - .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .map_io = balloon3_map_io, + .nr_irqs = BALLOON3_NR_IRQS, .init_irq = balloon3_init_irq, .timer = &pxa_timer, .init_machine = balloon3_init, |