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cd8ab0041d
This patch maps key0/key1/key2/key3 as HOME/MENU/BACK/POWER buttons on mackerel board. Signed-off-by: Tony SIM <chinyeow.sim.xt@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
596 lines
14 KiB
C
596 lines
14 KiB
C
/*
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* mackerel board support
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*
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* Copyright (C) 2010 Renesas Solutions Corp.
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* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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*
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* based on ap4evb
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* Copyright (C) 2010 Magnus Damm
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* Copyright (C) 2008 Yoshihiro Shimoda
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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; version 2 of the License.
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/leds.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/smsc911x.h>
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#include <linux/sh_intc.h>
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#include <linux/tca6416_keypad.h>
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#include <linux/usb/r8a66597.h>
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#include <video/sh_mobile_lcdc.h>
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#include <sound/sh_fsi.h>
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#include <mach/common.h>
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#include <mach/sh7372.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/time.h>
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#include <asm/mach/map.h>
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#include <asm/mach-types.h>
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/*
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* Address Interface BusWidth note
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* ------------------------------------------------------------------
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* 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
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* 0x0800_0000 user area -
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* 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
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* 0x1400_0000 Ether (LAN9220) 16bit
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* 0x1600_0000 user area - cannot use with NAND
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* 0x1800_0000 user area -
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* 0x1A00_0000 -
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* 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
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*/
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/*
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* CPU mode
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*
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* SW4 | Boot Area| Master | Remarks
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* 1 | 2 | 3 | 4 | 5 | 6 | 8 | | Processor|
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* ----+-----+-----+-----+-----+-----+-----+----------+----------+--------------
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* ON | ON | OFF | ON | ON | OFF | OFF | External | System | External ROM
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* ON | ON | ON | ON | ON | OFF | OFF | External | System | ROM Debug
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* ON | ON | X | ON | OFF | OFF | OFF | Built-in | System | ROM Debug
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* X | OFF | X | X | X | X | OFF | Built-in | System | MaskROM
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* OFF | X | X | X | X | X | OFF | Built-in | System | MaskROM
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* X | X | X | OFF | X | X | OFF | Built-in | System | MaskROM
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* OFF | ON | OFF | X | X | OFF | ON | External | System | Standalone
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* ON | OFF | OFF | X | X | OFF | ON | External | Realtime | Standalone
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*/
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/*
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* NOR Flash ROM
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*
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* SW1 | SW2 | SW7 | NOR Flash ROM
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* bit1 | bit1 bit2 | bit1 | Memory allocation
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* ------+------------+------+------------------
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* OFF | ON OFF | ON | Area 0
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* OFF | ON OFF | OFF | Area 4
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*/
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/*
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* SMSC 9220
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*
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* SW1 SMSC 9220
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* -----------------------
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* ON access disable
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* OFF access enable
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*/
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/*
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* NAND Flash ROM
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*
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* SW1 | SW2 | SW7 | NAND Flash ROM
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* bit1 | bit1 bit2 | bit2 | Memory allocation
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* ------+------------+------+------------------
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* OFF | ON OFF | ON | FCE 0
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* OFF | ON OFF | OFF | FCE 1
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*/
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/*
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* External interrupt pin settings
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*
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* IRQX | pin setting | device | level
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* ------+--------------------+--------------------+-------
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* IRQ0 | ICR1A.IRQ0SA=0010 | SDHI2 card detect | Low
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* IRQ6 | ICR1A.IRQ6SA=0011 | Ether(LAN9220) | High
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* IRQ7 | ICR1A.IRQ7SA=0010 | LCD Tuch Panel | Low
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* IRQ8 | ICR2A.IRQ8SA=0010 | MMC/SD card detect | Low
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* IRQ9 | ICR2A.IRQ9SA=0010 | KEY(TCA6408) | Low
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* IRQ21 | ICR4A.IRQ21SA=0011 | Sensor(ADXL345) | High
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* IRQ22 | ICR4A.IRQ22SA=0011 | Sensor(AK8975) | High
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*/
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/*
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* USB
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*
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* USB0 : CN22 : Function
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* USB1 : CN31 : Function/Host *1
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*
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* J30 (for CN31) *1
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* ----------+---------------+-------------
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* 1-2 short | VBUS 5V | Host
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* open | external VBUS | Function
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*
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* *1
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* CN31 is used as Host in Linux.
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*/
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/*
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* FIXME !!
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*
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* gpio_no_direction
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* are quick_hack.
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*
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* current gpio frame work doesn't have
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* the method to control only pull up/down/free.
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* this function should be replaced by correct gpio function
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*/
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static void __init gpio_no_direction(u32 addr)
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{
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__raw_writeb(0x00, addr);
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}
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/* MTD */
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static struct mtd_partition nor_flash_partitions[] = {
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{
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.name = "loader",
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.offset = 0x00000000,
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.size = 512 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "bootenv",
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.offset = MTDPART_OFS_APPEND,
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.size = 512 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel_ro",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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.mask_flags = MTD_WRITEABLE,
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 8 * 1024 * 1024,
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},
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{
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.name = "data",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct physmap_flash_data nor_flash_data = {
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.width = 2,
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.parts = nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(nor_flash_partitions),
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};
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static struct resource nor_flash_resources[] = {
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[0] = {
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.start = 0x00000000,
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.end = 0x08000000 - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device nor_flash_device = {
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.name = "physmap-flash",
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.dev = {
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.platform_data = &nor_flash_data,
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},
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.num_resources = ARRAY_SIZE(nor_flash_resources),
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.resource = nor_flash_resources,
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};
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/* SMSC */
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static struct resource smc911x_resources[] = {
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{
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.start = 0x14000000,
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.end = 0x16000000 - 1,
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.flags = IORESOURCE_MEM,
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}, {
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.start = evt2irq(0x02c0) /* IRQ6A */,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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},
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};
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static struct smsc911x_platform_config smsc911x_info = {
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.flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
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};
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static struct platform_device smc911x_device = {
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.name = "smsc911x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smc911x_resources),
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.resource = smc911x_resources,
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.dev = {
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.platform_data = &smsc911x_info,
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},
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};
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/* LCDC */
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static struct fb_videomode mackerel_lcdc_modes[] = {
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{
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.name = "WVGA Panel",
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.xres = 800,
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.yres = 480,
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.left_margin = 220,
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.right_margin = 110,
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.hsync_len = 70,
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.upper_margin = 20,
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.lower_margin = 5,
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.vsync_len = 5,
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.sync = 0,
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},
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};
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static struct sh_mobile_lcdc_info lcdc_info = {
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.clock_source = LCDC_CLK_BUS,
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.ch[0] = {
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.chan = LCDC_CHAN_MAINLCD,
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.bpp = 16,
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.lcd_cfg = mackerel_lcdc_modes,
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.num_cfg = ARRAY_SIZE(mackerel_lcdc_modes),
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.interface_type = RGB24,
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.clock_divider = 2,
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.flags = 0,
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.lcd_size_cfg.width = 152,
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.lcd_size_cfg.height = 91,
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}
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};
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static struct resource lcdc_resources[] = {
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[0] = {
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.name = "LCDC",
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.start = 0xfe940000,
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.end = 0xfe943fff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = intcs_evt2irq(0x580),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device lcdc_device = {
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.name = "sh_mobile_lcdc_fb",
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.num_resources = ARRAY_SIZE(lcdc_resources),
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.resource = lcdc_resources,
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.dev = {
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.platform_data = &lcdc_info,
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.coherent_dma_mask = ~0,
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},
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};
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/* USB1 (Host) */
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static void usb1_host_port_power(int port, int power)
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{
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if (!power) /* only power-on is supported for now */
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return;
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/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
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__raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
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}
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static struct r8a66597_platdata usb1_host_data = {
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.on_chip = 1,
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.port_power = usb1_host_port_power,
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};
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static struct resource usb1_host_resources[] = {
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[0] = {
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.name = "USBHS",
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.start = 0xE68B0000,
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.end = 0xE68B00E6 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device usb1_host_device = {
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.name = "r8a66597_hcd",
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.id = 1,
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.dev = {
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.dma_mask = NULL, /* not use dma */
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.coherent_dma_mask = 0xffffffff,
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.platform_data = &usb1_host_data,
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},
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.num_resources = ARRAY_SIZE(usb1_host_resources),
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.resource = usb1_host_resources,
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};
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/* LED */
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static struct gpio_led mackerel_leds[] = {
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{
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.name = "led0",
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.gpio = GPIO_PORT0,
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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{
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.name = "led1",
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.gpio = GPIO_PORT1,
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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{
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.name = "led2",
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.gpio = GPIO_PORT2,
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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},
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{
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.name = "led3",
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.gpio = GPIO_PORT159,
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.default_state = LEDS_GPIO_DEFSTATE_ON,
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}
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};
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static struct gpio_led_platform_data mackerel_leds_pdata = {
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.leds = mackerel_leds,
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.num_leds = ARRAY_SIZE(mackerel_leds),
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};
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static struct platform_device leds_device = {
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.name = "leds-gpio",
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.id = 0,
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.dev = {
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.platform_data = &mackerel_leds_pdata,
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},
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};
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/* FSI */
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#define IRQ_FSI evt2irq(0x1840)
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static struct sh_fsi_platform_info fsi_info = {
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.porta_flags = SH_FSI_BRS_INV |
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SH_FSI_OUT_SLAVE_MODE |
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SH_FSI_IN_SLAVE_MODE |
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SH_FSI_OFMT(PCM) |
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SH_FSI_IFMT(PCM),
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};
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static struct resource fsi_resources[] = {
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[0] = {
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.name = "FSI",
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.start = 0xFE3C0000,
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.end = 0xFE3C0400 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_FSI,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device fsi_device = {
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.name = "sh_fsi2",
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.id = -1,
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.num_resources = ARRAY_SIZE(fsi_resources),
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.resource = fsi_resources,
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.dev = {
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.platform_data = &fsi_info,
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},
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};
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static struct platform_device fsi_ak4643_device = {
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.name = "sh_fsi2_a_ak4643",
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};
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static struct platform_device *mackerel_devices[] __initdata = {
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&nor_flash_device,
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&smc911x_device,
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&lcdc_device,
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&usb1_host_device,
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&leds_device,
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&fsi_device,
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&fsi_ak4643_device,
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};
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/* Keypad Initialization */
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#define KEYPAD_BUTTON(ev_type, ev_code, act_low) \
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{ \
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.type = ev_type, \
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.code = ev_code, \
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.active_low = act_low, \
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}
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#define KEYPAD_BUTTON_LOW(event_code) KEYPAD_BUTTON(EV_KEY, event_code, 1)
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static struct tca6416_button mackerel_gpio_keys[] = {
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KEYPAD_BUTTON_LOW(KEY_HOME),
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KEYPAD_BUTTON_LOW(KEY_MENU),
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KEYPAD_BUTTON_LOW(KEY_BACK),
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KEYPAD_BUTTON_LOW(KEY_POWER),
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};
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static struct tca6416_keys_platform_data mackerel_tca6416_keys_info = {
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.buttons = mackerel_gpio_keys,
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.nbuttons = ARRAY_SIZE(mackerel_gpio_keys),
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.rep = 1,
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.use_polling = 0,
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.pinmask = 0x000F,
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};
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/* I2C */
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#define IRQ9 evt2irq(0x0320)
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static struct i2c_board_info i2c0_devices[] = {
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{
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I2C_BOARD_INFO("ak4643", 0x13),
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},
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/* Keypad */
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{
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I2C_BOARD_INFO("tca6408-keys", 0x20),
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.platform_data = &mackerel_tca6416_keys_info,
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.irq = IRQ9,
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},
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};
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#define IRQ21 evt2irq(0x32a0)
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static struct i2c_board_info i2c1_devices[] = {
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/* Accelerometer */
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{
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I2C_BOARD_INFO("adxl34x", 0x53),
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.irq = IRQ21,
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},
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};
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static struct map_desc mackerel_io_desc[] __initdata = {
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/* create a 1:1 entity map for 0xe6xxxxxx
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* used by CPGA, INTC and PFC.
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*/
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{
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.virtual = 0xe6000000,
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.pfn = __phys_to_pfn(0xe6000000),
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.length = 256 << 20,
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.type = MT_DEVICE_NONSHARED
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},
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};
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static void __init mackerel_map_io(void)
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{
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iotable_init(mackerel_io_desc, ARRAY_SIZE(mackerel_io_desc));
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/* setup early devices and console here as well */
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sh7372_add_early_devices();
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shmobile_setup_console();
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}
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#define GPIO_PORT9CR 0xE6051009
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#define GPIO_PORT10CR 0xE605100A
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static void __init mackerel_init(void)
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{
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sh7372_pinmux_init();
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/* enable SCIFA0 */
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gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
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gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
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/* enable SMSC911X */
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gpio_request(GPIO_FN_CS5A, NULL);
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gpio_request(GPIO_FN_IRQ6_39, NULL);
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/* LCDC */
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gpio_request(GPIO_FN_LCDD23, NULL);
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gpio_request(GPIO_FN_LCDD22, NULL);
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gpio_request(GPIO_FN_LCDD21, NULL);
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gpio_request(GPIO_FN_LCDD20, NULL);
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gpio_request(GPIO_FN_LCDD19, NULL);
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gpio_request(GPIO_FN_LCDD18, NULL);
|
|
gpio_request(GPIO_FN_LCDD17, NULL);
|
|
gpio_request(GPIO_FN_LCDD16, NULL);
|
|
gpio_request(GPIO_FN_LCDD15, NULL);
|
|
gpio_request(GPIO_FN_LCDD14, NULL);
|
|
gpio_request(GPIO_FN_LCDD13, NULL);
|
|
gpio_request(GPIO_FN_LCDD12, NULL);
|
|
gpio_request(GPIO_FN_LCDD11, NULL);
|
|
gpio_request(GPIO_FN_LCDD10, NULL);
|
|
gpio_request(GPIO_FN_LCDD9, NULL);
|
|
gpio_request(GPIO_FN_LCDD8, NULL);
|
|
gpio_request(GPIO_FN_LCDD7, NULL);
|
|
gpio_request(GPIO_FN_LCDD6, NULL);
|
|
gpio_request(GPIO_FN_LCDD5, NULL);
|
|
gpio_request(GPIO_FN_LCDD4, NULL);
|
|
gpio_request(GPIO_FN_LCDD3, NULL);
|
|
gpio_request(GPIO_FN_LCDD2, NULL);
|
|
gpio_request(GPIO_FN_LCDD1, NULL);
|
|
gpio_request(GPIO_FN_LCDD0, NULL);
|
|
gpio_request(GPIO_FN_LCDDISP, NULL);
|
|
gpio_request(GPIO_FN_LCDDCK, NULL);
|
|
|
|
gpio_request(GPIO_PORT31, NULL); /* backlight */
|
|
gpio_direction_output(GPIO_PORT31, 1);
|
|
|
|
gpio_request(GPIO_PORT151, NULL); /* LCDDON */
|
|
gpio_direction_output(GPIO_PORT151, 1);
|
|
|
|
/* USB enable */
|
|
gpio_request(GPIO_FN_VBUS0_1, NULL);
|
|
gpio_request(GPIO_FN_IDIN_1_18, NULL);
|
|
gpio_request(GPIO_FN_PWEN_1_115, NULL);
|
|
gpio_request(GPIO_FN_OVCN_1_114, NULL);
|
|
gpio_request(GPIO_FN_EXTLP_1, NULL);
|
|
gpio_request(GPIO_FN_OVCN2_1, NULL);
|
|
|
|
/* setup USB phy */
|
|
__raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
|
|
|
|
/* enable FSI2 port A (ak4643) */
|
|
gpio_request(GPIO_FN_FSIAIBT, NULL);
|
|
gpio_request(GPIO_FN_FSIAILR, NULL);
|
|
gpio_request(GPIO_FN_FSIAISLD, NULL);
|
|
gpio_request(GPIO_FN_FSIAOSLD, NULL);
|
|
gpio_request(GPIO_PORT161, NULL);
|
|
gpio_direction_output(GPIO_PORT161, 0); /* slave */
|
|
|
|
gpio_request(GPIO_PORT9, NULL);
|
|
gpio_request(GPIO_PORT10, NULL);
|
|
gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
|
|
gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
|
|
|
|
intc_set_priority(IRQ_FSI, 3); /* irq priority FSI(3) > SMSC911X(2) */
|
|
|
|
/* enable Keypad */
|
|
gpio_request(GPIO_FN_IRQ9_42, NULL);
|
|
set_irq_type(IRQ9, IRQ_TYPE_LEVEL_HIGH);
|
|
|
|
/* enable Accelerometer */
|
|
gpio_request(GPIO_FN_IRQ21, NULL);
|
|
set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);
|
|
|
|
i2c_register_board_info(0, i2c0_devices,
|
|
ARRAY_SIZE(i2c0_devices));
|
|
i2c_register_board_info(1, i2c1_devices,
|
|
ARRAY_SIZE(i2c1_devices));
|
|
|
|
sh7372_add_standard_devices();
|
|
|
|
platform_add_devices(mackerel_devices, ARRAY_SIZE(mackerel_devices));
|
|
}
|
|
|
|
static void __init mackerel_timer_init(void)
|
|
{
|
|
sh7372_clock_init();
|
|
shmobile_timer.init();
|
|
}
|
|
|
|
static struct sys_timer mackerel_timer = {
|
|
.init = mackerel_timer_init,
|
|
};
|
|
|
|
MACHINE_START(MACKEREL, "mackerel")
|
|
.map_io = mackerel_map_io,
|
|
.init_irq = sh7372_init_irq,
|
|
.init_machine = mackerel_init,
|
|
.timer = &mackerel_timer,
|
|
MACHINE_END
|