267 lines
6.4 KiB
C
267 lines
6.4 KiB
C
/*
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* File: arch/blackfin/mach-bf561/ezkit.c
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* Based on:
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* Author:
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*
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* Created:
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* Description:
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*
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* Modified:
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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/spi/spi.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/pata_platform.h>
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#include <asm/dma.h>
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#include <asm/bfin5xx_spi.h>
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/*
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* Name the Board for the /proc/cpuinfo
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*/
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char *bfin_board_name = "ADDS-BF561-EZKIT";
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#define ISP1761_BASE 0x2C0F0000
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#define ISP1761_IRQ IRQ_PF10
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#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
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static struct resource bfin_isp1761_resources[] = {
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{
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.name = "isp1761-regs",
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.start = ISP1761_BASE + 0x00000000,
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.end = ISP1761_BASE + 0x000fffff,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = ISP1761_IRQ,
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.end = ISP1761_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bfin_isp1761_device = {
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.name = "isp1761",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_isp1761_resources),
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.resource = bfin_isp1761_resources,
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};
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static struct platform_device *bfin_isp1761_devices[] = {
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&bfin_isp1761_device,
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};
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int __init bfin_isp1761_init(void)
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{
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unsigned int num_devices = ARRAY_SIZE(bfin_isp1761_devices);
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printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
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set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING);
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return platform_add_devices(bfin_isp1761_devices, num_devices);
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}
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void __exit bfin_isp1761_exit(void)
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{
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platform_device_unregister(&bfin_isp1761_device);
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}
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arch_initcall(bfin_isp1761_init);
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#endif
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/*
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* USB-LAN EzExtender board
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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 = 0x2C010300,
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.end = 0x2C010300 + 16,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_PF9,
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.end = IRQ_PF9,
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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_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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#ifdef CONFIG_SPI_BFIN
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#if defined(CONFIG_SND_BLACKFIN_AD1836) \
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|| 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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#endif
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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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};
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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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static struct spi_board_info bfin_spi_board_info[] __initdata = {
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#if defined(CONFIG_SND_BLACKFIN_AD1836) \
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|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
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{
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.modalias = "ad1836-spi",
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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 = 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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};
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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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static struct platform_device *ezkit_devices[] __initdata = {
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
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&smc91x_device,
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#endif
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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&bfin_spi0_device,
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#endif
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#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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&bfin_uart_device,
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#endif
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#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
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&bfin_pata_device,
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#endif
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};
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static int __init ezkit_init(void)
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{
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int ret;
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printk(KERN_INFO "%s(): registering device resources\n", __func__);
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ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
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if (ret < 0)
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return ret;
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
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bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
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SSYNC();
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#endif
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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spi_register_board_info(bfin_spi_board_info,
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ARRAY_SIZE(bfin_spi_board_info));
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#endif
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#if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
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irq_desc[PATA_INT].status |= IRQ_NOAUTOEN;
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#endif
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return 0;
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}
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arch_initcall(ezkit_init);
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