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330 lines
7.8 KiB
330 lines
7.8 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/colibri-pxa270.c |
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* |
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* Support for Toradex PXA270 based Colibri module |
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* Daniel Mack <[email protected]> |
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* Marek Vasut <[email protected]> |
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*/ |
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#include <linux/init.h> |
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#include <linux/interrupt.h> |
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#include <linux/moduleparam.h> |
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#include <linux/kernel.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/mtd/physmap.h> |
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#include <linux/platform_device.h> |
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#include <linux/regulator/machine.h> |
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#include <linux/ucb1400.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/flash.h> |
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#include <asm/mach-types.h> |
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#include <linux/sizes.h> |
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#include <mach/audio.h> |
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#include "colibri.h" |
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#include "pxa27x.h" |
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#include "devices.h" |
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#include "generic.h" |
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/****************************************************************************** |
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* Evaluation board MFP |
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******************************************************************************/ |
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#ifdef CONFIG_MACH_COLIBRI_EVALBOARD |
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static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = { |
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/* MMC */ |
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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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GPIO0_GPIO, /* SD detect */ |
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/* FFUART */ |
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GPIO39_FFUART_TXD, |
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GPIO34_FFUART_RXD, |
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/* UHC */ |
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GPIO88_USBH1_PWR, |
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GPIO89_USBH1_PEN, |
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GPIO119_USBH2_PWR, |
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GPIO120_USBH2_PEN, |
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/* PCMCIA */ |
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GPIO85_nPCE_1, |
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GPIO54_nPCE_2, |
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GPIO55_nPREG, |
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GPIO50_nPIOR, |
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GPIO51_nPIOW, |
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GPIO49_nPWE, |
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GPIO48_nPOE, |
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GPIO57_nIOIS16, |
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GPIO56_nPWAIT, |
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GPIO104_PSKTSEL, |
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GPIO53_GPIO, /* RESET */ |
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GPIO83_GPIO, /* BVD1 */ |
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GPIO82_GPIO, /* BVD2 */ |
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GPIO1_GPIO, /* READY */ |
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GPIO84_GPIO, /* DETECT */ |
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GPIO107_GPIO, /* PPEN */ |
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/* I2C */ |
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GPIO117_I2C_SCL, |
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GPIO118_I2C_SDA, |
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}; |
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#else |
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static mfp_cfg_t colibri_pxa270_evalboard_pin_config[] __initdata = {}; |
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#endif |
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#ifdef CONFIG_MACH_COLIBRI_PXA270_INCOME |
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static mfp_cfg_t income_pin_config[] __initdata = { |
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/* MMC */ |
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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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GPIO0_GPIO, /* SD detect */ |
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GPIO1_GPIO, /* SD read-only */ |
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/* FFUART */ |
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GPIO39_FFUART_TXD, |
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GPIO34_FFUART_RXD, |
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/* BFUART */ |
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GPIO42_BTUART_RXD, |
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GPIO43_BTUART_TXD, |
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GPIO45_BTUART_RTS, |
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/* STUART */ |
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GPIO46_STUART_RXD, |
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GPIO47_STUART_TXD, |
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/* UHC */ |
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GPIO88_USBH1_PWR, |
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GPIO89_USBH1_PEN, |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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/* PWM */ |
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GPIO16_PWM0_OUT, |
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/* I2C */ |
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GPIO117_I2C_SCL, |
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GPIO118_I2C_SDA, |
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/* LED */ |
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GPIO54_GPIO, /* LED A */ |
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GPIO55_GPIO, /* LED B */ |
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}; |
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#else |
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static mfp_cfg_t income_pin_config[] __initdata = {}; |
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#endif |
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/****************************************************************************** |
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* Pin configuration |
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******************************************************************************/ |
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static mfp_cfg_t colibri_pxa270_pin_config[] __initdata = { |
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/* Ethernet */ |
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GPIO78_nCS_2, /* Ethernet CS */ |
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GPIO114_GPIO, /* Ethernet IRQ */ |
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/* AC97 */ |
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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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GPIO95_AC97_nRESET, |
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GPIO98_AC97_SYSCLK, |
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GPIO113_GPIO, /* Touchscreen IRQ */ |
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}; |
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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 colibri_partitions[] = { |
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{ |
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.name = "Bootloader", |
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.offset = 0x00000000, |
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.size = 0x00040000, |
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.mask_flags = MTD_WRITEABLE /* force read-only */ |
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}, { |
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.name = "Kernel", |
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.offset = 0x00040000, |
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.size = 0x00400000, |
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.mask_flags = 0 |
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}, { |
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.name = "Rootfs", |
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.offset = 0x00440000, |
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.size = MTDPART_SIZ_FULL, |
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.mask_flags = 0 |
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} |
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}; |
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static struct physmap_flash_data colibri_flash_data[] = { |
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{ |
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.width = 4, /* bankwidth in bytes */ |
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.parts = colibri_partitions, |
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.nr_parts = ARRAY_SIZE(colibri_partitions) |
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} |
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}; |
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static struct resource colibri_pxa270_flash_resource = { |
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.start = PXA_CS0_PHYS, |
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.end = PXA_CS0_PHYS + SZ_32M - 1, |
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.flags = IORESOURCE_MEM, |
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}; |
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static struct platform_device colibri_pxa270_flash_device = { |
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.name = "physmap-flash", |
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.id = 0, |
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.dev = { |
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.platform_data = colibri_flash_data, |
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}, |
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.resource = &colibri_pxa270_flash_resource, |
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.num_resources = 1, |
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}; |
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static void __init colibri_pxa270_nor_init(void) |
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{ |
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platform_device_register(&colibri_pxa270_flash_device); |
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} |
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#else |
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static inline void colibri_pxa270_nor_init(void) {} |
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#endif |
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/****************************************************************************** |
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* Ethernet |
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******************************************************************************/ |
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#if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE) |
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static struct resource colibri_pxa270_dm9000_resources[] = { |
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{ |
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.start = PXA_CS2_PHYS, |
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.end = PXA_CS2_PHYS + 3, |
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.flags = IORESOURCE_MEM, |
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}, |
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{ |
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.start = PXA_CS2_PHYS + 4, |
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.end = PXA_CS2_PHYS + 4 + 500, |
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.flags = IORESOURCE_MEM, |
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}, |
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{ |
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.start = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), |
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.end = PXA_GPIO_TO_IRQ(GPIO114_COLIBRI_PXA270_ETH_IRQ), |
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING, |
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}, |
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}; |
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static struct platform_device colibri_pxa270_dm9000_device = { |
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.name = "dm9000", |
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.id = -1, |
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.num_resources = ARRAY_SIZE(colibri_pxa270_dm9000_resources), |
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.resource = colibri_pxa270_dm9000_resources, |
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}; |
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static void __init colibri_pxa270_eth_init(void) |
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{ |
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platform_device_register(&colibri_pxa270_dm9000_device); |
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} |
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#else |
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static inline void colibri_pxa270_eth_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 pxa2xx_audio_ops_t colibri_pxa270_ac97_pdata = { |
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.reset_gpio = 95, |
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}; |
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static struct ucb1400_pdata colibri_pxa270_ucb1400_pdata = { |
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.irq = PXA_GPIO_TO_IRQ(GPIO113_COLIBRI_PXA270_TS_IRQ), |
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}; |
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static struct platform_device colibri_pxa270_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 = &colibri_pxa270_ucb1400_pdata, |
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}, |
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}; |
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static void __init colibri_pxa270_tsc_init(void) |
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{ |
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pxa_set_ac97_info(&colibri_pxa270_ac97_pdata); |
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platform_device_register(&colibri_pxa270_ucb1400_device); |
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} |
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#else |
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static inline void colibri_pxa270_tsc_init(void) {} |
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#endif |
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static int colibri_pxa270_baseboard; |
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core_param(colibri_pxa270_baseboard, colibri_pxa270_baseboard, int, 0444); |
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static void __init colibri_pxa270_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa270_pin_config)); |
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colibri_pxa270_nor_init(); |
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colibri_pxa270_eth_init(); |
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colibri_pxa270_tsc_init(); |
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switch (colibri_pxa270_baseboard) { |
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case COLIBRI_EVALBOARD: |
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pxa2xx_mfp_config(ARRAY_AND_SIZE( |
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colibri_pxa270_evalboard_pin_config)); |
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colibri_evalboard_init(); |
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break; |
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case COLIBRI_PXA270_INCOME: |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(income_pin_config)); |
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colibri_pxa270_income_boardinit(); |
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break; |
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default: |
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printk(KERN_ERR "Illegal colibri_pxa270_baseboard type %d\n", |
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colibri_pxa270_baseboard); |
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} |
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regulator_has_full_constraints(); |
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} |
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/* The "Income s.r.o. SH-Dmaster PXA270 SBC" board can be booted either |
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* with the INCOME mach type or with COLIBRI and the kernel parameter |
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* "colibri_pxa270_baseboard=1" |
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*/ |
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static void __init colibri_pxa270_income_init(void) |
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{ |
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colibri_pxa270_baseboard = COLIBRI_PXA270_INCOME; |
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colibri_pxa270_init(); |
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} |
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MACHINE_START(COLIBRI, "Toradex Colibri PXA270") |
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.atag_offset = 0x100, |
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.init_machine = colibri_pxa270_init, |
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.map_io = pxa27x_map_io, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa27x_init_irq, |
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.handle_irq = pxa27x_handle_irq, |
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.init_time = pxa_timer_init, |
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.restart = pxa_restart, |
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MACHINE_END |
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MACHINE_START(INCOME, "Income s.r.o. SH-Dmaster PXA270 SBC") |
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.atag_offset = 0x100, |
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.init_machine = colibri_pxa270_income_init, |
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.map_io = pxa27x_map_io, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa27x_init_irq, |
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.handle_irq = pxa27x_handle_irq, |
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.init_time = pxa_timer_init, |
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.restart = pxa_restart, |
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MACHINE_END |
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