diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 354 |
1 files changed, 231 insertions, 123 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index 8adb87a0367..572525c26ca 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -22,6 +22,7 @@ #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> @@ -61,35 +62,136 @@ static unsigned long balloon3_pin_config[] __initdata = { GPIO44_BTUART_CTS, GPIO45_BTUART_RTS, - /* Wakeup GPIO */ + /* Reset, configured as GPIO wakeup source */ GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, - /* NAND & IDLE LED GPIOs */ - GPIO9_GPIO, - GPIO10_GPIO, -}; + /* LEDs */ + GPIO9_GPIO, /* NAND activity LED */ + GPIO10_GPIO, /* Heartbeat LED */ -/****************************************************************************** - * Audio and Touchscreen - ******************************************************************************/ -static unsigned long balloon3_ac97_pin_config[] = { + /* AC97 */ GPIO28_AC97_BITCLK, GPIO29_AC97_SDATA_IN_0, GPIO30_AC97_SDATA_OUT, GPIO31_AC97_SYNC, GPIO113_AC97_nRESET, + GPIO95_GPIO, + + /* MMC */ + GPIO32_MMC_CLK, + GPIO92_MMC_DAT_0, + GPIO109_MMC_DAT_1, + GPIO110_MMC_DAT_2, + GPIO111_MMC_DAT_3, + GPIO112_MMC_CMD, + + /* USB Host */ + GPIO88_USBH1_PWR, + GPIO89_USBH1_PEN, }; /****************************************************************************** - * Framebuffer + * Compatibility: Parameter parsing ******************************************************************************/ +static unsigned long balloon3_irq_enabled; -static void balloon3_backlight_power(int on) +static unsigned long balloon3_features_present = + (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) | + (1 << BALLOON3_FEATURE_AUDIO) | + (1 << BALLOON3_FEATURE_TOPPOLY); + +int balloon3_has(enum balloon3_features feature) { - pr_debug("%s: power is %s\n", __func__, on ? "on" : "off"); - gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on); + return (balloon3_features_present & (1 << feature)) ? 1 : 0; +} +EXPORT_SYMBOL_GPL(balloon3_has); + +int __init parse_balloon3_features(char *arg) +{ + if (!arg) + return 0; + + return strict_strtoul(arg, 0, &balloon3_features_present); } +early_param("balloon3_features", parse_balloon3_features); +/****************************************************************************** + * 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 struct physmap_flash_data balloon3_flash_data[] = { + { + .width = 2, /* bankwidth in bytes */ + .parts = balloon3_nor_partitions, + .nr_parts = ARRAY_SIZE(balloon3_nor_partitions) + } +}; + +static struct resource balloon3_flash_resource = { + .start = PXA_CS0_PHYS, + .end = PXA_CS0_PHYS + SZ_64M - 1, + .flags = IORESOURCE_MEM, +}; + +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); +} +#else +static inline void balloon3_nor_init(void) {} +#endif + +/****************************************************************************** + * Audio and Touchscreen + ******************************************************************************/ +#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \ + defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE) +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) +{ + if (!balloon3_has(BALLOON3_FEATURE_AUDIO)) + return; + + 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 struct pxafb_mode_info balloon3_lcd_modes[] = { { .pixclock = 38000, @@ -106,102 +208,147 @@ 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, }; -/****************************************************************************** - * SD/MMC card controller - ******************************************************************************/ -static unsigned long balloon3_mmc_pin_config[] = { - GPIO32_MMC_CLK, - GPIO92_MMC_DAT_0, - GPIO109_MMC_DAT_1, - GPIO110_MMC_DAT_2, - GPIO111_MMC_DAT_3, - GPIO112_MMC_CMD, -}; +static void balloon3_backlight_power(int on) +{ + gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on); +} -static void balloon3_mci_setpower(struct device *dev, unsigned int vdd) +static void __init balloon3_lcd_init(void) { - 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? */ + int ret; + + if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY)) + return; + + 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 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 void __init balloon3_mmc_init(void) +{ + pxa_set_mci_info(&balloon3_mci_platform_data); +} +#else +static inline void balloon3_mmc_init(void) {} +#endif + /****************************************************************************** * USB Gadget ******************************************************************************/ -static int balloon3_udc_is_connected(void) +#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE) +static void balloon3_udc_command(int cmd) { - pr_debug("%s: udc connected\n", __func__); - return 1; + if (cmd == PXA2XX_UDC_CMD_CONNECT) + UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE; + else if (cmd == PXA2XX_UDC_CMD_DISCONNECT) + UP2OCR &= ~UP2OCR_DPPUE; } -static void balloon3_udc_command(int cmd) +static int balloon3_udc_is_connected(void) { - switch (cmd) { - case PXA2XX_UDC_CMD_CONNECT: - UP2OCR |= (UP2OCR_DPPUE + UP2OCR_DPPUBE); - pr_debug("%s: connect\n", __func__); - break; - case PXA2XX_UDC_CMD_DISCONNECT: - UP2OCR &= ~UP2OCR_DPPUE; - pr_debug("%s: disconnect\n", __func__); - break; - } + return 1; } -static struct pxa2xx_udc_mach_info balloon3_udc_info = { - .udc_is_connected = balloon3_udc_is_connected, - .udc_command = balloon3_udc_command, +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 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 ******************************************************************************/ -static unsigned long balloon3_ohci_pin_config[] = { - GPIO88_USBH1_PWR, - GPIO89_USBH1_PEN, -}; - -static struct pxaohci_platform_data balloon3_ohci_platform_data = { +#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) +static struct pxaohci_platform_data balloon3_ohci_info = { .port_mode = PMM_PERPORT_MODE, .flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW, }; +static void __init balloon3_uhc_init(void) +{ + if (!balloon3_has(BALLOON3_FEATURE_OHCI)) + return; + pxa_set_ohci_info(&balloon3_ohci_info); +} +#else +static inline void balloon3_uhc_init(void) {} +#endif + /****************************************************************************** - * LED + * LEDs ******************************************************************************/ -static struct gpio_led balloon3_gpio_leds[] = { +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) +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, @@ -209,43 +356,26 @@ 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, .dev = { - .platform_data = &balloon3_gpio_leds_platform_data, - }, + .platform_data = &balloon3_gpio_led_info, + } }; -/****************************************************************************** - * Compatibility: Parameter parsing - ******************************************************************************/ -static unsigned long balloon3_irq_enabled; - -static unsigned long balloon3_features_present = - (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) | - (1 << BALLOON3_FEATURE_AUDIO) | - (1 << BALLOON3_FEATURE_TOPPOLY); - -int balloon3_has(enum balloon3_features feature) +static void __init balloon3_leds_init(void) { - return (balloon3_features_present & (1 << feature)) ? 1 : 0; + platform_device_register(&balloon3_leds); } -EXPORT_SYMBOL_GPL(balloon3_has); - -int __init parse_balloon3_features(char *arg) -{ - if (!arg) - return 0; - - return strict_strtoul(arg, 0, &balloon3_features_present); -} -early_param("balloon3_features", parse_balloon3_features); +#else +static inline void balloon3_leds_init(void) {} +#endif /****************************************************************************** * FPGA IRQ @@ -314,46 +444,24 @@ static void __init balloon3_init_irq(void) ******************************************************************************/ static void __init balloon3_init(void) { - pr_info("Initialising Balloon3\n"); - - /* system bus arbiter setting - * - Core_Park - * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4 - */ ARB_CNTRL = ARB_CORE_PARK | 0x234; + pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config)); + pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); 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); - } - - 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 (balloon3_has(BALLOON3_FEATURE_MMC)) { - pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config)); - pxa_set_mci_info(&balloon3_mci_platform_data); - } - 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); - } - pxa_set_udc_info(&balloon3_udc_info); - - pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config)); - platform_device_register(&balloon3led_device); + balloon3_irda_init(); + balloon3_lcd_init(); + balloon3_leds_init(); + balloon3_mmc_init(); + balloon3_nor_init(); + balloon3_ts_init(); + balloon3_udc_init(); + balloon3_uhc_init(); } static struct map_desc balloon3_io_desc[] __initdata = { |