828 lines
21 KiB
C
828 lines
21 KiB
C
/*
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* linux/arch/arm/mach-pxa/balloon3.c
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*
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* Support for Balloonboard.org Balloon3 board.
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*
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* Author: Nick Bane, Wookey, Jonathan McDowell
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* Created: June, 2006
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* Copyright: Toby Churchill Ltd
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* Derived from mainstone.c, by Nico Pitre
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/export.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/sched.h>
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#include <linux/bitops.h>
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#include <linux/fb.h>
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#include <linux/gpio.h>
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#include <linux/ioport.h>
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#include <linux/ucb1400.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/types.h>
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#include <linux/i2c/pcf857x.h>
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#include <linux/i2c/pxa-i2c.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/physmap.h>
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#include <linux/regulator/max1586.h>
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#include <asm/setup.h>
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#include <asm/mach-types.h>
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#include <asm/irq.h>
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#include <asm/sizes.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/irq.h>
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#include <asm/mach/flash.h>
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#include <mach/pxa27x.h>
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#include <mach/balloon3.h>
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#include <mach/audio.h>
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#include <linux/platform_data/video-pxafb.h>
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#include <linux/platform_data/mmc-pxamci.h>
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#include <mach/udc.h>
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#include <mach/pxa27x-udc.h>
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#include <linux/platform_data/irda-pxaficp.h>
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#include <linux/platform_data/usb-ohci-pxa27x.h>
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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* Pin configuration
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******************************************************************************/
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static unsigned long balloon3_pin_config[] __initdata = {
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/* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
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GPIO42_BTUART_RXD,
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GPIO43_BTUART_TXD,
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GPIO44_BTUART_CTS,
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GPIO45_BTUART_RTS,
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/* Reset, configured as GPIO wakeup source */
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GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
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};
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/******************************************************************************
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* Compatibility: Parameter parsing
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******************************************************************************/
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static unsigned long balloon3_irq_enabled;
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static unsigned long balloon3_features_present =
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(1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
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(1 << BALLOON3_FEATURE_AUDIO) |
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(1 << BALLOON3_FEATURE_TOPPOLY);
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int balloon3_has(enum balloon3_features feature)
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{
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return (balloon3_features_present & (1 << feature)) ? 1 : 0;
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}
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EXPORT_SYMBOL_GPL(balloon3_has);
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int __init parse_balloon3_features(char *arg)
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{
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if (!arg)
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return 0;
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return kstrtoul(arg, 0, &balloon3_features_present);
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}
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early_param("balloon3_features", parse_balloon3_features);
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/******************************************************************************
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* Compact Flash slot
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******************************************************************************/
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#if defined(CONFIG_PCMCIA_PXA2XX) || defined(CONFIG_PCMCIA_PXA2XX_MODULE)
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static unsigned long balloon3_cf_pin_config[] __initdata = {
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GPIO48_nPOE,
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GPIO49_nPWE,
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GPIO50_nPIOR,
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GPIO51_nPIOW,
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GPIO85_nPCE_1,
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GPIO54_nPCE_2,
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GPIO79_PSKTSEL,
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GPIO55_nPREG,
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GPIO56_nPWAIT,
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GPIO57_nIOIS16,
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};
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static void __init balloon3_cf_init(void)
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{
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if (!balloon3_has(BALLOON3_FEATURE_CF))
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return;
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_cf_pin_config));
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}
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#else
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static inline void balloon3_cf_init(void) {}
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#endif
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/******************************************************************************
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* NOR Flash
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******************************************************************************/
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#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
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static struct mtd_partition balloon3_nor_partitions[] = {
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{
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.name = "Flash",
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.offset = 0x00000000,
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.size = MTDPART_SIZ_FULL,
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}
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};
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static struct physmap_flash_data balloon3_flash_data[] = {
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{
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.width = 2, /* bankwidth in bytes */
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.parts = balloon3_nor_partitions,
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.nr_parts = ARRAY_SIZE(balloon3_nor_partitions)
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}
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};
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static struct resource balloon3_flash_resource = {
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.start = PXA_CS0_PHYS,
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.end = PXA_CS0_PHYS + SZ_64M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device balloon3_flash = {
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.name = "physmap-flash",
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.id = 0,
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.resource = &balloon3_flash_resource,
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.num_resources = 1,
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.dev = {
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.platform_data = balloon3_flash_data,
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},
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};
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static void __init balloon3_nor_init(void)
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{
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platform_device_register(&balloon3_flash);
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}
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#else
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static inline void balloon3_nor_init(void) {}
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#endif
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/******************************************************************************
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* Audio and Touchscreen
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******************************************************************************/
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#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
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defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
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static unsigned long balloon3_ac97_pin_config[] __initdata = {
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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GPIO113_AC97_nRESET,
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GPIO95_GPIO,
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};
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static struct ucb1400_pdata vpac270_ucb1400_pdata = {
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.irq = PXA_GPIO_TO_IRQ(BALLOON3_GPIO_CODEC_IRQ),
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};
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static struct platform_device balloon3_ucb1400_device = {
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.name = "ucb1400_core",
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.id = -1,
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.dev = {
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.platform_data = &vpac270_ucb1400_pdata,
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},
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};
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static void __init balloon3_ts_init(void)
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{
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if (!balloon3_has(BALLOON3_FEATURE_AUDIO))
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return;
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config));
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pxa_set_ac97_info(NULL);
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platform_device_register(&balloon3_ucb1400_device);
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}
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#else
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static inline void balloon3_ts_init(void) {}
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#endif
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/******************************************************************************
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* Framebuffer
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******************************************************************************/
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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static unsigned long balloon3_lcd_pin_config[] __initdata = {
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GPIOxx_LCD_TFT_16BPP,
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GPIO99_GPIO,
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};
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static struct pxafb_mode_info balloon3_lcd_modes[] = {
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{
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.pixclock = 38000,
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.xres = 480,
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.yres = 640,
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.bpp = 16,
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.hsync_len = 8,
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.left_margin = 8,
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.right_margin = 8,
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.vsync_len = 2,
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.upper_margin = 4,
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.lower_margin = 5,
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.sync = 0,
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},
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};
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static struct pxafb_mach_info balloon3_lcd_screen = {
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.modes = balloon3_lcd_modes,
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.num_modes = ARRAY_SIZE(balloon3_lcd_modes),
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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};
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static void balloon3_backlight_power(int on)
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{
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gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
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}
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static void __init balloon3_lcd_init(void)
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{
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int ret;
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if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY))
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return;
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config));
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ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON");
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if (ret) {
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pr_err("Requesting BKL-ON GPIO failed!\n");
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goto err;
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}
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ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
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if (ret) {
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pr_err("Setting BKL-ON GPIO direction failed!\n");
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goto err2;
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}
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balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
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pxa_set_fb_info(NULL, &balloon3_lcd_screen);
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return;
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err2:
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gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT);
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err:
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return;
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}
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#else
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static inline void balloon3_lcd_init(void) {}
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#endif
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
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static unsigned long balloon3_mmc_pin_config[] __initdata = {
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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};
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static struct pxamci_platform_data balloon3_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.gpio_card_detect = -1,
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.gpio_card_ro = -1,
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.gpio_power = -1,
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.detect_delay_ms = 200,
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};
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static void __init balloon3_mmc_init(void)
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{
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config));
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pxa_set_mci_info(&balloon3_mci_platform_data);
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}
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#else
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static inline void balloon3_mmc_init(void) {}
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#endif
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/******************************************************************************
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* USB Gadget
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******************************************************************************/
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#if defined(CONFIG_USB_PXA27X)||defined(CONFIG_USB_PXA27X_MODULE)
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static void balloon3_udc_command(int cmd)
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{
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if (cmd == PXA2XX_UDC_CMD_CONNECT)
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UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
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else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
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UP2OCR &= ~UP2OCR_DPPUE;
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}
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static int balloon3_udc_is_connected(void)
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{
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return 1;
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}
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static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = {
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.udc_command = balloon3_udc_command,
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.udc_is_connected = balloon3_udc_is_connected,
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.gpio_pullup = -1,
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};
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static void __init balloon3_udc_init(void)
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{
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pxa_set_udc_info(&balloon3_udc_info);
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}
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#else
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static inline void balloon3_udc_init(void) {}
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#endif
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/******************************************************************************
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* IrDA
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******************************************************************************/
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#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
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static struct pxaficp_platform_data balloon3_ficp_platform_data = {
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.transceiver_cap = IR_FIRMODE | IR_SIRMODE | IR_OFF,
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};
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static void __init balloon3_irda_init(void)
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{
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pxa_set_ficp_info(&balloon3_ficp_platform_data);
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}
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#else
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static inline void balloon3_irda_init(void) {}
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#endif
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/******************************************************************************
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* USB Host
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******************************************************************************/
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#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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static unsigned long balloon3_uhc_pin_config[] __initdata = {
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GPIO88_USBH1_PWR,
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GPIO89_USBH1_PEN,
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};
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static struct pxaohci_platform_data balloon3_ohci_info = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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};
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static void __init balloon3_uhc_init(void)
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{
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if (!balloon3_has(BALLOON3_FEATURE_OHCI))
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return;
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_uhc_pin_config));
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pxa_set_ohci_info(&balloon3_ohci_info);
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}
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#else
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static inline void balloon3_uhc_init(void) {}
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#endif
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/******************************************************************************
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* LEDs
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******************************************************************************/
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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static unsigned long balloon3_led_pin_config[] __initdata = {
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GPIO9_GPIO, /* NAND activity LED */
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GPIO10_GPIO, /* Heartbeat LED */
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};
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struct gpio_led balloon3_gpio_leds[] = {
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{
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.name = "balloon3:green:idle",
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.default_trigger = "heartbeat",
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.gpio = BALLOON3_GPIO_LED_IDLE,
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.active_low = 1,
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}, {
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.name = "balloon3:green:nand",
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.default_trigger = "nand-disk",
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.gpio = BALLOON3_GPIO_LED_NAND,
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.active_low = 1,
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},
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};
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static struct gpio_led_platform_data balloon3_gpio_led_info = {
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.leds = balloon3_gpio_leds,
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.num_leds = ARRAY_SIZE(balloon3_gpio_leds),
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};
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static struct platform_device balloon3_leds = {
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.name = "leds-gpio",
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.id = 0,
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.dev = {
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.platform_data = &balloon3_gpio_led_info,
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}
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};
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struct gpio_led balloon3_pcf_gpio_leds[] = {
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{
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.name = "balloon3:green:led0",
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.gpio = BALLOON3_PCF_GPIO_LED0,
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.active_low = 1,
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}, {
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.name = "balloon3:green:led1",
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.gpio = BALLOON3_PCF_GPIO_LED1,
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.active_low = 1,
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}, {
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.name = "balloon3:orange:led2",
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.gpio = BALLOON3_PCF_GPIO_LED2,
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.active_low = 1,
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}, {
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.name = "balloon3:orange:led3",
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.gpio = BALLOON3_PCF_GPIO_LED3,
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.active_low = 1,
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}, {
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.name = "balloon3:orange:led4",
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.gpio = BALLOON3_PCF_GPIO_LED4,
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.active_low = 1,
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}, {
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.name = "balloon3:orange:led5",
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.gpio = BALLOON3_PCF_GPIO_LED5,
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.active_low = 1,
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}, {
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.name = "balloon3:red:led6",
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.gpio = BALLOON3_PCF_GPIO_LED6,
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.active_low = 1,
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}, {
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.name = "balloon3:red:led7",
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.gpio = BALLOON3_PCF_GPIO_LED7,
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.active_low = 1,
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},
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};
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static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = {
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.leds = balloon3_pcf_gpio_leds,
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.num_leds = ARRAY_SIZE(balloon3_pcf_gpio_leds),
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};
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static struct platform_device balloon3_pcf_leds = {
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.name = "leds-gpio",
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.id = 1,
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.dev = {
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.platform_data = &balloon3_pcf_gpio_led_info,
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}
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};
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static void __init balloon3_leds_init(void)
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{
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pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_led_pin_config));
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platform_device_register(&balloon3_leds);
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platform_device_register(&balloon3_pcf_leds);
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}
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#else
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static inline void balloon3_leds_init(void) {}
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#endif
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|
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/******************************************************************************
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* FPGA IRQ
|
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******************************************************************************/
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static void balloon3_mask_irq(struct irq_data *d)
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{
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int balloon3_irq = (d->irq - BALLOON3_IRQ(0));
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balloon3_irq_enabled &= ~(1 << balloon3_irq);
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__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
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}
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static void balloon3_unmask_irq(struct irq_data *d)
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{
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int balloon3_irq = (d->irq - BALLOON3_IRQ(0));
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balloon3_irq_enabled |= (1 << balloon3_irq);
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__raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
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}
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|
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static struct irq_chip balloon3_irq_chip = {
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.name = "FPGA",
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.irq_ack = balloon3_mask_irq,
|
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.irq_mask = balloon3_mask_irq,
|
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.irq_unmask = balloon3_unmask_irq,
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};
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|
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static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
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{
|
|
unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
|
|
balloon3_irq_enabled;
|
|
do {
|
|
/* clear useless edge notification */
|
|
if (desc->irq_data.chip->irq_ack) {
|
|
struct irq_data *d;
|
|
|
|
d = irq_get_irq_data(BALLOON3_AUX_NIRQ);
|
|
desc->irq_data.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);
|
|
set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
|
|
}
|
|
|
|
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
|