1/* 2 * File: arch/blackfin/mach-bf561/ezkit.c 3 * Based on: 4 * Author: 5 * 6 * Created: 7 * Description: 8 * 9 * Modified: 10 * Copyright 2004-2006 Analog Devices Inc. 11 * 12 * Bugs: Enter bugs at http://blackfin.uclinux.org/ 13 * 14 * This program is free software; you can redistribute it and/or modify 15 * it under the terms of the GNU General Public License as published by 16 * the Free Software Foundation; either version 2 of the License, or 17 * (at your option) any later version. 18 * 19 * This program is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * You should have received a copy of the GNU General Public License 25 * along with this program; if not, see the file COPYING, or write 26 * to the Free Software Foundation, Inc., 27 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 28 */ 29 30#include <linux/device.h> 31#include <linux/platform_device.h> 32#include <linux/spi/spi.h> 33#include <asm/irq.h> 34#include <asm/bfin5xx_spi.h> 35#include <linux/interrupt.h> 36#include <linux/irq.h> 37 38/* 39 * Name the Board for the /proc/cpuinfo 40 */ 41char *bfin_board_name = "ADDS-BF561-EZKIT"; 42 43#define ISP1761_BASE 0x2C0F0000 44#define ISP1761_IRQ IRQ_PF10 45 46#if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE) 47static struct resource bfin_isp1761_resources[] = { 48 [0] = { 49 .name = "isp1761-regs", 50 .start = ISP1761_BASE + 0x00000000, 51 .end = ISP1761_BASE + 0x000fffff, 52 .flags = IORESOURCE_MEM, 53 }, 54 [1] = { 55 .start = ISP1761_IRQ, 56 .end = ISP1761_IRQ, 57 .flags = IORESOURCE_IRQ, 58 }, 59}; 60 61static struct platform_device bfin_isp1761_device = { 62 .name = "isp1761", 63 .id = 0, 64 .num_resources = ARRAY_SIZE(bfin_isp1761_resources), 65 .resource = bfin_isp1761_resources, 66}; 67 68static struct platform_device *bfin_isp1761_devices[] = { 69 &bfin_isp1761_device, 70}; 71 72int __init bfin_isp1761_init(void) 73{ 74 unsigned int num_devices=ARRAY_SIZE(bfin_isp1761_devices); 75 76 printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__); 77 set_irq_type(ISP1761_IRQ, IRQF_TRIGGER_FALLING); 78 79 return platform_add_devices(bfin_isp1761_devices, num_devices); 80} 81 82void __exit bfin_isp1761_exit(void) 83{ 84 platform_device_unregister(&bfin_isp1761_device); 85} 86 87arch_initcall(bfin_isp1761_init); 88#endif 89 90/* 91 * USB-LAN EzExtender board 92 * Driver needs to know address, irq and flag pin. 93 */ 94#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) 95static struct resource smc91x_resources[] = { 96 { 97 .name = "smc91x-regs", 98 .start = 0x2C010300, 99 .end = 0x2C010300 + 16, 100 .flags = IORESOURCE_MEM, 101 },{ 102 103 .start = IRQ_PF9, 104 .end = IRQ_PF9, 105 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL, 106 }, 107}; 108 109static struct platform_device smc91x_device = { 110 .name = "smc91x", 111 .id = 0, 112 .num_resources = ARRAY_SIZE(smc91x_resources), 113 .resource = smc91x_resources, 114}; 115#endif 116 117#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) 118static struct resource bfin_uart_resources[] = { 119 { 120 .start = 0xFFC00400, 121 .end = 0xFFC004FF, 122 .flags = IORESOURCE_MEM, 123 }, 124}; 125 126static struct platform_device bfin_uart_device = { 127 .name = "bfin-uart", 128 .id = 1, 129 .num_resources = ARRAY_SIZE(bfin_uart_resources), 130 .resource = bfin_uart_resources, 131}; 132#endif 133 134#ifdef CONFIG_SPI_BFIN 135#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE) 136static struct bfin5xx_spi_chip ad1836_spi_chip_info = { 137 .enable_dma = 0, 138 .bits_per_word = 16, 139}; 140#endif 141#endif 142 143/* SPI controller data */ 144static struct bfin5xx_spi_master spi_bfin_master_info = { 145 .num_chipselect = 8, 146 .enable_dma = 1, /* master has the ability to do dma transfer */ 147}; 148 149static struct platform_device spi_bfin_master_device = { 150 .name = "bfin-spi-master", 151 .id = 1, /* Bus number */ 152 .dev = { 153 .platform_data = &spi_bfin_master_info, /* Passed to driver */ 154 }, 155}; 156 157static struct spi_board_info bfin_spi_board_info[] __initdata = { 158#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE) 159 { 160 .modalias = "ad1836-spi", 161 .max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */ 162 .bus_num = 1, 163 .chip_select = CONFIG_SND_BLACKFIN_SPI_PFBIT, 164 .controller_data = &ad1836_spi_chip_info, 165 }, 166#endif 167}; 168 169static struct platform_device *ezkit_devices[] __initdata = { 170#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) 171 &smc91x_device, 172#endif 173#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE) 174 &spi_bfin_master_device, 175#endif 176#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE) 177 &bfin_uart_device, 178#endif 179}; 180 181static int __init ezkit_init(void) 182{ 183 int ret; 184 185 printk(KERN_INFO "%s(): registering device resources\n", __func__); 186 187 ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices)); 188 if (ret < 0) 189 return ret; 190 191#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE) 192 bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12)); 193 SSYNC(); 194#endif 195 196 return spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info)); 197} 198 199arch_initcall(ezkit_init); 200