5bda27235b
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org>
644 lines
16 KiB
C
644 lines
16 KiB
C
/*
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* File: arch/blackfin/mach-bf533/stamp.c
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* Based on: arch/blackfin/mach-bf533/ezkit.c
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* Author: Aidan Williams <aidan@nicta.com.au>
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*
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* Created: 2005
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* Description: Board Info File for the BF533-STAMP
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*
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* Modified:
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* Copyright 2005 National ICT Australia (NICTA)
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* Copyright 2004-2006 Analog Devices Inc.
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*
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* Bugs: Enter bugs at http://blackfin.uclinux.org/
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see the file COPYING, or write
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* to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/device.h>
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#include <linux/platform_device.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/spi/spi.h>
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#include <linux/spi/flash.h>
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#if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
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#include <linux/usb/isp1362.h>
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#endif
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#include <linux/ata_platform.h>
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#include <linux/irq.h>
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#include <linux/i2c.h>
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#include <asm/dma.h>
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#include <asm/bfin5xx_spi.h>
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#include <asm/reboot.h>
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#include <asm/portmux.h>
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#include <asm/dpmc.h>
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/*
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* Name the Board for the /proc/cpuinfo
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*/
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const char bfin_board_name[] = "ADDS-BF533-STAMP";
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#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
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static struct platform_device rtc_device = {
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.name = "rtc-bfin",
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.id = -1,
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};
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#endif
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/*
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* Driver needs to know address, irq and flag pin.
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*/
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
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static struct resource smc91x_resources[] = {
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{
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.name = "smc91x-regs",
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.start = 0x20300300,
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.end = 0x20300300 + 16,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF7,
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.end = IRQ_PF7,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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};
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#endif
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#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
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static struct platform_device bfin_fb_adv7393_device = {
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.name = "bfin-adv7393",
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};
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#endif
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#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
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static struct resource net2272_bfin_resources[] = {
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{
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.start = 0x20300000,
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.end = 0x20300000 + 0x100,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF10,
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.end = IRQ_PF10,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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};
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static struct platform_device net2272_bfin_device = {
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.name = "net2272",
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.id = -1,
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.num_resources = ARRAY_SIZE(net2272_bfin_resources),
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.resource = net2272_bfin_resources,
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};
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#endif
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#if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
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static struct mtd_partition stamp_partitions[] = {
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{
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.name = "Bootloader",
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.size = 0x40000,
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.offset = 0,
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}, {
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.name = "Kernel",
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.size = 0xE0000,
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.offset = MTDPART_OFS_APPEND,
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}, {
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.name = "RootFS",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND,
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}
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};
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static struct physmap_flash_data stamp_flash_data = {
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.width = 2,
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.parts = stamp_partitions,
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.nr_parts = ARRAY_SIZE(stamp_partitions),
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};
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static struct resource stamp_flash_resource[] = {
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{
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.name = "cfi_probe",
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.start = 0x20000000,
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.end = 0x203fffff,
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.flags = IORESOURCE_MEM,
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}, {
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.start = 0x7BB07BB0, /* AMBCTL0 setting when accessing flash */
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.end = 0x7BB07BB0, /* AMBCTL1 setting when accessing flash */
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.flags = IORESOURCE_MEM,
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}, {
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.start = GPIO_PF0,
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct platform_device stamp_flash_device = {
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.name = "bfin-async-flash",
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.id = 0,
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.dev = {
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.platform_data = &stamp_flash_data,
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},
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.num_resources = ARRAY_SIZE(stamp_flash_resource),
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.resource = stamp_flash_resource,
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};
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#endif
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#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
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static struct mtd_partition bfin_spi_flash_partitions[] = {
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{
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.name = "bootloader",
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.size = 0x00040000,
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.offset = 0,
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.mask_flags = MTD_CAP_ROM
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}, {
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.name = "kernel",
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.size = 0xe0000,
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.offset = MTDPART_OFS_APPEND,
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}, {
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.name = "file system",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_APPEND,
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}
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};
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static struct flash_platform_data bfin_spi_flash_data = {
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.name = "m25p80",
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.parts = bfin_spi_flash_partitions,
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.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
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.type = "m25p64",
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};
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/* SPI flash chip (m25p64) */
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static struct bfin5xx_spi_chip spi_flash_chip_info = {
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.enable_dma = 0, /* use dma transfer with this chip*/
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.bits_per_word = 8,
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};
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#endif
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#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
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/* SPI ADC chip */
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static struct bfin5xx_spi_chip spi_adc_chip_info = {
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.enable_dma = 1, /* use dma transfer with this chip*/
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.bits_per_word = 16,
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};
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#endif
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#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
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static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
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.enable_dma = 0,
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.bits_per_word = 16,
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};
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#endif
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#if defined(CONFIG_PBX)
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static struct bfin5xx_spi_chip spi_si3xxx_chip_info = {
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.ctl_reg = 0x4, /* send zero */
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.enable_dma = 0,
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.bits_per_word = 8,
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.cs_change_per_word = 1,
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};
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#endif
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#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
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static struct bfin5xx_spi_chip spi_mmc_chip_info = {
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.enable_dma = 1,
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.bits_per_word = 8,
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};
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#endif
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#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
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static struct bfin5xx_spi_chip spidev_chip_info = {
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.enable_dma = 0,
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.bits_per_word = 8,
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};
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#endif
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static struct spi_board_info bfin_spi_board_info[] __initdata = {
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#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE)
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{
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/* the modalias must be the same as spi device driver name */
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.modalias = "m25p80", /* Name of spi_driver for this device */
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.max_speed_hz = 25000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0, /* Framework bus number */
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.chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
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.platform_data = &bfin_spi_flash_data,
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.controller_data = &spi_flash_chip_info,
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.mode = SPI_MODE_3,
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},
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#endif
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#if defined(CONFIG_SPI_ADC_BF533) || defined(CONFIG_SPI_ADC_BF533_MODULE)
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{
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.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
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.max_speed_hz = 6250000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0, /* Framework bus number */
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.chip_select = 1, /* Framework chip select. */
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.platform_data = NULL, /* No spi_driver specific config */
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.controller_data = &spi_adc_chip_info,
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},
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#endif
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#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
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{
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.modalias = "ad1836-spi",
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.max_speed_hz = 31250000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT,
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.controller_data = &ad1836_spi_chip_info,
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},
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#endif
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#if defined(CONFIG_SPI_MMC) || defined(CONFIG_SPI_MMC_MODULE)
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{
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.modalias = "spi_mmc_dummy",
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.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 0,
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.platform_data = NULL,
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.controller_data = &spi_mmc_chip_info,
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.mode = SPI_MODE_3,
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},
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{
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.modalias = "spi_mmc",
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.max_speed_hz = 20000000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = CONFIG_SPI_MMC_CS_CHAN,
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.platform_data = NULL,
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.controller_data = &spi_mmc_chip_info,
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.mode = SPI_MODE_3,
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},
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#endif
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#if defined(CONFIG_PBX)
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{
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.modalias = "fxs-spi",
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.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 8 - CONFIG_J11_JUMPER,
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.controller_data = &spi_si3xxx_chip_info,
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.mode = SPI_MODE_3,
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},
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{
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.modalias = "fxo-spi",
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.max_speed_hz = 12500000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 8 - CONFIG_J19_JUMPER,
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.controller_data = &spi_si3xxx_chip_info,
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.mode = SPI_MODE_3,
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},
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#endif
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#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
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{
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.modalias = "spidev",
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.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
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.bus_num = 0,
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.chip_select = 1,
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.controller_data = &spidev_chip_info,
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},
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#endif
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};
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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/* SPI (0) */
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static struct resource bfin_spi0_resource[] = {
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[0] = {
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.start = SPI0_REGBASE,
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.end = SPI0_REGBASE + 0xFF,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = CH_SPI,
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.end = CH_SPI,
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.flags = IORESOURCE_IRQ,
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}
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};
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/* SPI controller data */
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static struct bfin5xx_spi_master bfin_spi0_info = {
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.num_chipselect = 8,
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.enable_dma = 1, /* master has the ability to do dma transfer */
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.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
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};
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static struct platform_device bfin_spi0_device = {
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.name = "bfin-spi",
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.id = 0, /* Bus number */
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.num_resources = ARRAY_SIZE(bfin_spi0_resource),
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.resource = bfin_spi0_resource,
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.dev = {
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.platform_data = &bfin_spi0_info, /* Passed to driver */
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},
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};
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#endif /* spi master and devices */
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#if defined(CONFIG_FB_BF537_LQ035) || defined(CONFIG_FB_BF537_LQ035_MODULE)
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static struct platform_device bfin_fb_device = {
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.name = "bf537-fb",
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};
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#endif
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#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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static struct resource bfin_uart_resources[] = {
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{
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.start = 0xFFC00400,
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.end = 0xFFC004FF,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device bfin_uart_device = {
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.name = "bfin-uart",
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.id = 1,
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.num_resources = ARRAY_SIZE(bfin_uart_resources),
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.resource = bfin_uart_resources,
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};
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#endif
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#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
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static struct resource bfin_sir_resources[] = {
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#ifdef CONFIG_BFIN_SIR0
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{
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.start = 0xFFC00400,
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.end = 0xFFC004FF,
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.flags = IORESOURCE_MEM,
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},
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#endif
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};
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static struct platform_device bfin_sir_device = {
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.name = "bfin_sir",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_sir_resources),
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.resource = bfin_sir_resources,
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};
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#endif
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#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
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static struct platform_device bfin_sport0_uart_device = {
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.name = "bfin-sport-uart",
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.id = 0,
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};
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static struct platform_device bfin_sport1_uart_device = {
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.name = "bfin-sport-uart",
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.id = 1,
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};
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#endif
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#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
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#define PATA_INT 55
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static struct pata_platform_info bfin_pata_platform_data = {
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.ioport_shift = 1,
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.irq_type = IRQF_TRIGGER_HIGH | IRQF_DISABLED,
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};
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static struct resource bfin_pata_resources[] = {
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{
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.start = 0x20314020,
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.end = 0x2031403F,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = 0x2031401C,
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.end = 0x2031401F,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = PATA_INT,
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.end = PATA_INT,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bfin_pata_device = {
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.name = "pata_platform",
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.id = -1,
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.num_resources = ARRAY_SIZE(bfin_pata_resources),
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.resource = bfin_pata_resources,
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.dev = {
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.platform_data = &bfin_pata_platform_data,
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}
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};
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#endif
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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#include <linux/input.h>
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#include <linux/gpio_keys.h>
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static struct gpio_keys_button bfin_gpio_keys_table[] = {
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{BTN_0, GPIO_PF5, 0, "gpio-keys: BTN0"},
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{BTN_1, GPIO_PF6, 0, "gpio-keys: BTN1"},
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{BTN_2, GPIO_PF8, 0, "gpio-keys: BTN2"},
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};
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static struct gpio_keys_platform_data bfin_gpio_keys_data = {
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.buttons = bfin_gpio_keys_table,
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.nbuttons = ARRAY_SIZE(bfin_gpio_keys_table),
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};
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static struct platform_device bfin_device_gpiokeys = {
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.name = "gpio-keys",
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.dev = {
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.platform_data = &bfin_gpio_keys_data,
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},
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};
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#endif
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static struct resource bfin_gpios_resources = {
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.start = 0,
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.end = MAX_BLACKFIN_GPIOS - 1,
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.flags = IORESOURCE_IRQ,
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};
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static struct platform_device bfin_gpios_device = {
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.name = "simple-gpio",
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.id = -1,
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.num_resources = 1,
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.resource = &bfin_gpios_resources,
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};
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#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
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#include <linux/i2c-gpio.h>
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static struct i2c_gpio_platform_data i2c_gpio_data = {
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.sda_pin = 2,
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.scl_pin = 3,
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.sda_is_open_drain = 0,
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.scl_is_open_drain = 0,
|
|
.udelay = 40,
|
|
};
|
|
|
|
static struct platform_device i2c_gpio_device = {
|
|
.name = "i2c-gpio",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &i2c_gpio_data,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
#ifdef CONFIG_I2C_BOARDINFO
|
|
static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
|
|
#if defined(CONFIG_JOYSTICK_AD7142) || defined(CONFIG_JOYSTICK_AD7142_MODULE)
|
|
{
|
|
I2C_BOARD_INFO("ad7142_joystick", 0x2C),
|
|
.irq = 39,
|
|
},
|
|
#endif
|
|
#if defined(CONFIG_TWI_LCD) || defined(CONFIG_TWI_LCD_MODULE)
|
|
{
|
|
I2C_BOARD_INFO("pcf8574_lcd", 0x22),
|
|
},
|
|
#endif
|
|
#if defined(CONFIG_TWI_KEYPAD) || defined(CONFIG_TWI_KEYPAD_MODULE)
|
|
{
|
|
I2C_BOARD_INFO("pcf8574_keypad", 0x27),
|
|
.irq = 39,
|
|
},
|
|
#endif
|
|
};
|
|
#endif
|
|
|
|
static const unsigned int cclk_vlev_datasheet[] =
|
|
{
|
|
VRPAIR(VLEV_085, 250000000),
|
|
VRPAIR(VLEV_090, 376000000),
|
|
VRPAIR(VLEV_095, 426000000),
|
|
VRPAIR(VLEV_100, 426000000),
|
|
VRPAIR(VLEV_105, 476000000),
|
|
VRPAIR(VLEV_110, 476000000),
|
|
VRPAIR(VLEV_115, 476000000),
|
|
VRPAIR(VLEV_120, 600000000),
|
|
VRPAIR(VLEV_125, 600000000),
|
|
VRPAIR(VLEV_130, 600000000),
|
|
};
|
|
|
|
static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
|
|
.tuple_tab = cclk_vlev_datasheet,
|
|
.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
|
|
.vr_settling_time = 25 /* us */,
|
|
};
|
|
|
|
static struct platform_device bfin_dpmc = {
|
|
.name = "bfin dpmc",
|
|
.dev = {
|
|
.platform_data = &bfin_dmpc_vreg_data,
|
|
},
|
|
};
|
|
|
|
static struct platform_device *stamp_devices[] __initdata = {
|
|
|
|
&bfin_dpmc,
|
|
|
|
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
|
|
&rtc_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
|
|
&smc91x_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_FB_BFIN_7393) || defined(CONFIG_FB_BFIN_7393_MODULE)
|
|
&bfin_fb_adv7393_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_USB_NET2272) || defined(CONFIG_USB_NET2272_MODULE)
|
|
&net2272_bfin_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
|
|
&bfin_spi0_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
|
|
&bfin_uart_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
|
|
&bfin_sir_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
|
|
&bfin_sport0_uart_device,
|
|
&bfin_sport1_uart_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
|
|
&bfin_pata_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
&bfin_device_gpiokeys,
|
|
#endif
|
|
|
|
#if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
|
|
&i2c_gpio_device,
|
|
#endif
|
|
|
|
&bfin_gpios_device,
|
|
|
|
#if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
|
|
&stamp_flash_device,
|
|
#endif
|
|
};
|
|
|
|
static int __init stamp_init(void)
|
|
{
|
|
int ret;
|
|
|
|
printk(KERN_INFO "%s(): registering device resources\n", __func__);
|
|
|
|
#ifdef CONFIG_I2C_BOARDINFO
|
|
i2c_register_board_info(0, bfin_i2c_board_info,
|
|
ARRAY_SIZE(bfin_i2c_board_info));
|
|
#endif
|
|
|
|
ret = platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
|
|
/* setup BF533_STAMP CPLD to route AMS3 to Ethernet MAC */
|
|
bfin_write_FIO_DIR(bfin_read_FIO_DIR() | PF0);
|
|
bfin_write_FIO_FLAG_S(PF0);
|
|
SSYNC();
|
|
#endif
|
|
|
|
spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
|
|
|
|
#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
|
|
irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(stamp_init);
|
|
|
|
void native_machine_restart(char *cmd)
|
|
{
|
|
/* workaround pull up on cpld / flash pin not being strong enough */
|
|
bfin_write_FIO_INEN(~PF0);
|
|
bfin_write_FIO_DIR(PF0);
|
|
bfin_write_FIO_FLAG_C(PF0);
|
|
}
|