File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
new file mode 100644
index 0000000..761d7d6
--- /dev/null
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -0,0 +1,829 @@
+/*
+ * linux/arch/arm/mach-pxa/balloon3.c
+ *
+ * Support for Balloonboard.org Balloon3 board.
+ *
+ * Author: Nick Bane, Wookey, Jonathan McDowell
+ * Created: June, 2006
+ * Copyright: Toby Churchill Ltd
+ * Derived from mainstone.c, by Nico Pitre
+ *
+ * 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/export.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/leds.h>
+#include <linux/sched.h>
+#include <linux/bitops.h>
+#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/i2c/pxa-i2c.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>
+#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/balloon3.h>
+#include <mach/audio.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <mach/udc.h>
+#include <mach/pxa27x-udc.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/usb-ohci-pxa27x.h>
+
+#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 =
+ (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
+ (1 << BALLOON3_FEATURE_AUDIO) |
+ (1 << BALLOON3_FEATURE_TOPPOLY);
+
+int balloon3_has(enum balloon3_features feature)
+{
+ 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 kstrtoul(arg, 0, &balloon3_features_present);
+}
+early_param("balloon3_features", parse_balloon3_features);
+
+/******************************************************************************
+ * 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 __init balloon3_cf_init(void)
+{
+ if (!balloon3_has(BALLOON3_FEATURE_CF))
+ return;
+
+ 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 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 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 struct ucb1400_pdata vpac270_ucb1400_pdata = {
+ .irq = PXA_GPIO_TO_IRQ(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;
+
+ 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,
+};
+
+static struct pxafb_mode_info balloon3_lcd_modes[] = {
+ {
+ .pixclock = 38000,
+ .xres = 480,
+ .yres = 640,
+ .bpp = 16,
+ .hsync_len = 8,
+ .left_margin = 8,
+ .right_margin = 8,
+ .vsync_len = 2,
+ .upper_margin = 4,
+ .lower_margin = 5,
+ .sync = 0,
+ },
+};
+
+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,
+};
+
+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;
+ pxa_set_fb_info(NULL, &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,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+};
+
+static struct pxamci_platform_data balloon3_mci_platform_data = {
+ .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)
+{
+ 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_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
+static void balloon3_udc_command(int cmd)
+{
+ if (cmd == PXA2XX_UDC_CMD_CONNECT)
+ UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
+ else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+ UP2OCR &= ~UP2OCR_DPPUE;
+}
+
+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);
+}
+#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_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
+ ******************************************************************************/
+#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_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;
+ 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 */
+};
+
+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,
+ .active_low = 1,
+ },
+};
+
+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 balloon3_leds = {
+ .name = "leds-gpio",
+ .id = 0,
+ .dev = {
+ .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 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)
+{
+ 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
+
+/******************************************************************************
+ * FPGA IRQ
+ ******************************************************************************/
+static void balloon3_mask_irq(struct irq_data *d)
+{
+ int balloon3_irq = (d->irq - BALLOON3_IRQ(0));
+ balloon3_irq_enabled &= ~(1 << balloon3_irq);
+ __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
+}
+
+static void balloon3_unmask_irq(struct irq_data *d)
+{
+ int balloon3_irq = (d->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",
+ .irq_ack = balloon3_mask_irq,
+ .irq_mask = balloon3_mask_irq,
+ .irq_unmask = balloon3_unmask_irq,
+};
+
+static void balloon3_irq_handler(struct irq_desc *desc)
+{
+ unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
+ balloon3_irq_enabled;
+ do {
+ struct irq_data *d = irq_desc_get_irq_data(desc);
+ struct irq_chip *chip = irq_desc_get_chip(desc);
+ unsigned int irq;
+
+ /* clear useless edge notification */
+ if (chip->irq_ack)
+ chip->irq_ack(d);
+
+ 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++) {
+ irq_set_chip_and_handler(irq, &balloon3_irq_chip,
+ handle_level_irq);
+ irq_clear_status_flags(irq, IRQ_NOREQUEST | IRQ_NOPROBE);
+ }
+
+ irq_set_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
+ irq_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);
+ 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 void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *this = mtd->priv;
+ uint8_t balloon3_ctl_set = 0, balloon3_ctl_clr = 0;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ if (ctrl & NAND_CLE)
+ balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLCLE;
+ else
+ balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLCLE;
+
+ if (ctrl & NAND_ALE)
+ balloon3_ctl_set |= BALLOON3_NAND_CONTROL_FLALE;
+ else
+ balloon3_ctl_clr |= BALLOON3_NAND_CONTROL_FLALE;
+
+ if (balloon3_ctl_clr)
+ __raw_writel(balloon3_ctl_clr,
+ BALLOON3_NAND_CONTROL_REG);
+ if (balloon3_ctl_set)
+ __raw_writel(balloon3_ctl_set,
+ BALLOON3_NAND_CONTROL_REG +
+ BALLOON3_FPGA_SETnCLR);
+ }
+
+ 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;
+
+ /* Assert all nCE lines */
+ __raw_writew(
+ BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
+ BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3,
+ BALLOON3_NAND_CONTROL_REG + BALLOON3_FPGA_SETnCLR);
+
+ /* Deassert correct nCE line */
+ __raw_writew(BALLOON3_NAND_CONTROL_FLCE0 << chip,
+ BALLOON3_NAND_CONTROL_REG);
+}
+
+static int balloon3_nand_dev_ready(struct mtd_info *mtd)
+{
+ return __raw_readl(BALLOON3_NAND_STAT_REG) & BALLOON3_NAND_STAT_RNB;
+}
+
+static int balloon3_nand_probe(struct platform_device *pdev)
+{
+ uint16_t ver;
+ int ret;
+
+ __raw_writew(BALLOON3_NAND_CONTROL2_16BIT,
+ BALLOON3_NAND_CONTROL2_REG + BALLOON3_FPGA_SETnCLR);
+
+ ver = __raw_readw(BALLOON3_FPGA_VER);
+ if (ver < 0x4f08)
+ pr_warn("The FPGA code, version 0x%04x, is too old. "
+ "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_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
+ BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 |
+ BALLOON3_NAND_CONTROL_FLWP,
+ BALLOON3_NAND_CONTROL_REG + BALLOON3_FPGA_SETnCLR);
+ 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
+ },
+};
+
+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,
+ },
+ .ctrl = {
+ .hwcontrol = 0,
+ .dev_ready = balloon3_nand_dev_ready,
+ .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,
+ }
+};
+
+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[] = {
+ REGULATOR_SUPPLY("vcc_core", NULL),
+};
+
+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,
+ }
+};
+
+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));
+
+ 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 = {
+ { /* CPLD/FPGA */
+ .virtual = (unsigned long)BALLOON3_FPGA_VIRT,
+ .pfn = __phys_to_pfn(BALLOON3_FPGA_PHYS),
+ .length = BALLOON3_FPGA_LENGTH,
+ .type = MT_DEVICE,
+ },
+};
+
+static void __init balloon3_map_io(void)
+{
+ pxa27x_map_io();
+ iotable_init(balloon3_io_desc, ARRAY_SIZE(balloon3_io_desc));
+}
+
+MACHINE_START(BALLOON3, "Balloon3")
+ /* Maintainer: Nick Bane. */
+ .map_io = balloon3_map_io,
+ .nr_irqs = BALLOON3_NR_IRQS,
+ .init_irq = balloon3_init_irq,
+ .handle_irq = pxa27x_handle_irq,
+ .init_time = pxa_timer_init,
+ .init_machine = balloon3_init,
+ .atag_offset = 0x100,
+ .restart = pxa_restart,
+MACHINE_END