589 lines
14 KiB
C
589 lines
14 KiB
C
/*
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* File: arch/blackfin/mach-bf548/boards/ezkit.c
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* Based on: arch/blackfin/mach-bf537/boards/ezkit.c
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* Author: Aidan Williams <aidan@nicta.com.au>
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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 2005 National ICT Australia (NICTA)
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* Copyright 2004-2007 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/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#include <linux/usb/musb.h>
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#include <asm/bfin5xx_spi.h>
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#include <asm/cplb.h>
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#include <asm/dma.h>
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#include <asm/gpio.h>
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#include <asm/nand.h>
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#include <asm/mach/bf54x_keys.h>
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#include <linux/input.h>
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#include <linux/spi/ad7877.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 = "ADSP-BF548-EZKIT";
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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_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
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#include <asm/mach/bf54x-lq043.h>
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static struct bfin_bf54xfb_mach_info bf54x_lq043_data = {
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.width = 480,
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.height = 272,
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.xres = {480, 480, 480},
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.yres = {272, 272, 272},
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.bpp = {24, 24, 24},
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.disp = GPIO_PE3,
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};
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static struct resource bf54x_lq043_resources[] = {
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{
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.start = IRQ_EPPI0_ERR,
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.end = IRQ_EPPI0_ERR,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bf54x_lq043_device = {
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.name = "bf54x-lq043",
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.id = -1,
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.num_resources = ARRAY_SIZE(bf54x_lq043_resources),
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.resource = bf54x_lq043_resources,
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.dev = {
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.platform_data = &bf54x_lq043_data,
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},
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};
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#endif
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#if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
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static int bf548_keymap[] = {
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KEYVAL(0, 0, KEY_ENTER),
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KEYVAL(0, 1, KEY_HELP),
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KEYVAL(0, 2, KEY_0),
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KEYVAL(0, 3, KEY_BACKSPACE),
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KEYVAL(1, 0, KEY_TAB),
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KEYVAL(1, 1, KEY_9),
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KEYVAL(1, 2, KEY_8),
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KEYVAL(1, 3, KEY_7),
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KEYVAL(2, 0, KEY_DOWN),
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KEYVAL(2, 1, KEY_6),
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KEYVAL(2, 2, KEY_5),
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KEYVAL(2, 3, KEY_4),
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KEYVAL(3, 0, KEY_UP),
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KEYVAL(3, 1, KEY_3),
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KEYVAL(3, 2, KEY_2),
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KEYVAL(3, 3, KEY_1),
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};
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static struct bfin_kpad_platform_data bf54x_kpad_data = {
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.rows = 4,
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.cols = 4,
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.keymap = bf548_keymap,
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.keymapsize = ARRAY_SIZE(bf548_keymap),
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.repeat = 0,
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.debounce_time = 5000, /* ns (5ms) */
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.coldrive_time = 1000, /* ns (1ms) */
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.keyup_test_interval = 50, /* ms (50ms) */
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};
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static struct resource bf54x_kpad_resources[] = {
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{
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.start = IRQ_KEY,
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.end = IRQ_KEY,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bf54x_kpad_device = {
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.name = "bf54x-keys",
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.id = -1,
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.num_resources = ARRAY_SIZE(bf54x_kpad_resources),
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.resource = bf54x_kpad_resources,
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.dev = {
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.platform_data = &bf54x_kpad_data,
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},
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};
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#endif
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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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#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
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static struct resource bfin_uart_resources[] = {
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#ifdef CONFIG_SERIAL_BFIN_UART0
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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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#ifdef CONFIG_SERIAL_BFIN_UART1
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{
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.start = 0xFFC02000,
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.end = 0xFFC020FF,
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.flags = IORESOURCE_MEM,
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},
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#endif
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#ifdef CONFIG_SERIAL_BFIN_UART2
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{
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.start = 0xFFC02100,
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.end = 0xFFC021FF,
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.flags = IORESOURCE_MEM,
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},
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#endif
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#ifdef CONFIG_SERIAL_BFIN_UART3
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{
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.start = 0xFFC03100,
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.end = 0xFFC031FF,
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},
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#endif
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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_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
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static struct resource smsc911x_resources[] = {
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{
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.name = "smsc911x-memory",
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.start = 0x24000000,
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.end = 0x24000000 + 0xFF,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_PE8,
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.end = IRQ_PE8,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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},
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};
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static struct platform_device smsc911x_device = {
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.name = "smsc911x",
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.id = 0,
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.num_resources = ARRAY_SIZE(smsc911x_resources),
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.resource = smsc911x_resources,
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};
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#endif
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#if defined(CONFIG_USB_BF54x_HCD) || defined(CONFIG_USB_BF54x_HCD_MODULE)
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static struct resource bf54x_hcd_resources[] = {
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{
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.start = 0xFFC03C00,
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.end = 0xFFC040FF,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device bf54x_hcd = {
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.name = "bf54x-hcd",
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.id = 0,
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.num_resources = ARRAY_SIZE(bf54x_hcd_resources),
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.resource = bf54x_hcd_resources,
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};
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#endif
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#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
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static struct resource musb_resources[] = {
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[0] = {
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.start = 0xFFC03C00,
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.end = 0xFFC040FF,
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.flags = IORESOURCE_MEM,
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},
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[1] = { /* general IRQ */
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.start = IRQ_USB_INT0,
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.end = IRQ_USB_INT0,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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[2] = { /* DMA IRQ */
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.start = IRQ_USB_DMA,
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.end = IRQ_USB_DMA,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
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},
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};
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static struct musb_hdrc_platform_data musb_plat = {
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#ifdef CONFIG_USB_MUSB_OTG
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.mode = MUSB_OTG,
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#elif CONFIG_USB_MUSB_HDRC_HCD
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.mode = MUSB_HOST,
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#elif CONFIG_USB_GADGET_MUSB_HDRC
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.mode = MUSB_PERIPHERAL,
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#endif
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.multipoint = 1,
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};
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static u64 musb_dmamask = ~(u32)0;
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static struct platform_device musb_device = {
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.name = "musb_hdrc",
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.id = 0,
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.dev = {
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.dma_mask = &musb_dmamask,
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &musb_plat,
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},
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.num_resources = ARRAY_SIZE(musb_resources),
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.resource = musb_resources,
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};
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#endif
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#if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
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static struct resource bfin_atapi_resources[] = {
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{
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.start = 0xFFC03800,
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.end = 0xFFC0386F,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = IRQ_ATAPI_ERR,
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.end = IRQ_ATAPI_ERR,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bfin_atapi_device = {
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.name = "pata-bf54x",
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.id = -1,
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.num_resources = ARRAY_SIZE(bfin_atapi_resources),
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.resource = bfin_atapi_resources,
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};
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#endif
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#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
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static struct mtd_partition partition_info[] = {
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{
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.name = "Linux Kernel",
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.offset = 0,
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.size = 4 * SIZE_1M,
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},
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{
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.name = "File System",
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.offset = 4 * SIZE_1M,
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.size = (256 - 4) * SIZE_1M,
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},
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};
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static struct bf5xx_nand_platform bf5xx_nand_platform = {
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.page_size = NFC_PG_SIZE_256,
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.data_width = NFC_NWIDTH_8,
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.partitions = partition_info,
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.nr_partitions = ARRAY_SIZE(partition_info),
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.rd_dly = 3,
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.wr_dly = 3,
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};
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static struct resource bf5xx_nand_resources[] = {
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{
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.start = 0xFFC03B00,
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.end = 0xFFC03B4F,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = CH_NFC,
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.end = CH_NFC,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device bf5xx_nand_device = {
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.name = "bf5xx-nand",
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.id = 0,
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.num_resources = ARRAY_SIZE(bf5xx_nand_resources),
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.resource = bf5xx_nand_resources,
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.dev = {
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.platform_data = &bf5xx_nand_platform,
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},
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};
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#endif
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#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN)
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static struct platform_device bf54x_sdh_device = {
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.name = "bfin-sdh",
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.id = 0,
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};
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#endif
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#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
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/* all SPI peripherals info goes here */
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#if defined(CONFIG_MTD_M25P80) \
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|| defined(CONFIG_MTD_M25P80_MODULE)
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/* SPI flash chip (m25p16) */
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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 = "linux kernel",
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.size = 0x1c0000,
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.offset = 0x40000
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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 = "m25p16",
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};
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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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.cs_change_per_word = 0,
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};
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#endif
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#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
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static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
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.cs_change_per_word = 1,
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.enable_dma = 0,
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.bits_per_word = 16,
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};
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static const struct ad7877_platform_data bfin_ad7877_ts_info = {
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.model = 7877,
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.vref_delay_usecs = 50, /* internal, no capacitor */
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.x_plate_ohms = 419,
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.y_plate_ohms = 486,
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.pressure_max = 1000,
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.pressure_min = 0,
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.stopacq_polarity = 1,
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.first_conversion_delay = 3,
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.acquisition_time = 1,
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.averaging = 1,
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.pen_down_acc_interval = 1,
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};
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#endif
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static struct spi_board_info bf54x_spi_board_info[] __initdata = {
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#if defined(CONFIG_MTD_M25P80) \
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|| 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 = 1, /* SPI_SSEL1*/
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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_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
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{
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.modalias = "ad7877",
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.platform_data = &bfin_ad7877_ts_info,
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.irq = IRQ_PJ11,
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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 = 2,
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.controller_data = &spi_ad7877_chip_info,
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},
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#endif
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};
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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_SPI0,
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.end = CH_SPI0,
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.flags = IORESOURCE_IRQ,
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}
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};
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/* SPI (1) */
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static struct resource bfin_spi1_resource[] = {
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[0] = {
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.start = SPI1_REGBASE,
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.end = SPI1_REGBASE + 0xFF,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = CH_SPI1,
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.end = CH_SPI1,
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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 bf54x_spi_master_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 bf54x_spi_master0 = {
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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 = &bf54x_spi_master_info, /* Passed to driver */
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},
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};
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static struct platform_device bf54x_spi_master1 = {
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.name = "bfin-spi",
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.id = 1, /* Bus number */
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.num_resources = ARRAY_SIZE(bfin_spi1_resource),
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.resource = bfin_spi1_resource,
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.dev = {
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.platform_data = &bf54x_spi_master_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_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
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static struct resource bfin_twi0_resource[] = {
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[0] = {
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.start = TWI0_REGBASE,
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.end = TWI0_REGBASE + 0xFF,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_TWI0,
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.end = IRQ_TWI0,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device i2c_bfin_twi0_device = {
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.name = "i2c-bfin-twi",
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.id = 0,
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.num_resources = ARRAY_SIZE(bfin_twi0_resource),
|
|
.resource = bfin_twi0_resource,
|
|
};
|
|
|
|
static struct resource bfin_twi1_resource[] = {
|
|
[0] = {
|
|
.start = TWI1_REGBASE,
|
|
.end = TWI1_REGBASE + 0xFF,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_TWI1,
|
|
.end = IRQ_TWI1,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static struct platform_device i2c_bfin_twi1_device = {
|
|
.name = "i2c-bfin-twi",
|
|
.id = 1,
|
|
.num_resources = ARRAY_SIZE(bfin_twi1_resource),
|
|
.resource = bfin_twi1_resource,
|
|
};
|
|
#endif
|
|
|
|
static struct platform_device *ezkit_devices[] __initdata = {
|
|
#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
|
|
&rtc_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
|
|
&bfin_uart_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_FB_BF54X_LQ043) || defined(CONFIG_FB_BF54X_LQ043_MODULE)
|
|
&bf54x_lq043_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
|
|
&smsc911x_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_USB_BF54x_HCD) || defined(CONFIG_USB_BF54x_HCD_MODULE)
|
|
&bf54x_hcd,
|
|
#endif
|
|
|
|
#if defined(CONFIG_USB_MUSB_HDRC) || defined(CONFIG_USB_MUSB_HDRC_MODULE)
|
|
&musb_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
|
|
&bfin_atapi_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_MTD_NAND_BF5XX) || defined(CONFIG_MTD_NAND_BF5XX_MODULE)
|
|
&bf5xx_nand_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN)
|
|
&bf54x_sdh_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
|
|
&bf54x_spi_master0,
|
|
/* &bf54x_spi_master1,*/
|
|
#endif
|
|
|
|
#if defined(CONFIG_KEYBOARD_BFIN) || defined(CONFIG_KEYBOARD_BFIN_MODULE)
|
|
&bf54x_kpad_device,
|
|
#endif
|
|
|
|
#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
|
|
&i2c_bfin_twi0_device,
|
|
&i2c_bfin_twi1_device,
|
|
#endif
|
|
};
|
|
|
|
static int __init stamp_init(void)
|
|
{
|
|
printk(KERN_INFO "%s(): registering device resources\n", __FUNCTION__);
|
|
platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
|
|
|
|
#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
|
|
spi_register_board_info(bf54x_spi_board_info,
|
|
ARRAY_SIZE(bf54x_spi_board_info));
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
arch_initcall(stamp_init);
|