2011-11-11 10:46:45 +08:00
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/*
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* bonito board support
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*
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* Copyright (C) 2011 Renesas Solutions Corp.
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* Copyright (C) 2011 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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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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*/
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#include <linux/kernel.h>
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2011-11-11 10:47:07 +08:00
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#include <linux/i2c.h>
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2011-11-11 10:46:45 +08:00
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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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2012-06-27 06:32:27 +08:00
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#include <linux/regulator/fixed.h>
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#include <linux/regulator/machine.h>
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2011-11-11 10:47:26 +08:00
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#include <linux/smsc911x.h>
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2012-02-29 21:46:24 +08:00
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#include <linux/videodev2.h>
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2011-11-11 10:46:45 +08:00
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#include <mach/common.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include <asm/mach/time.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <mach/r8a7740.h>
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2012-01-04 06:57:33 +08:00
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#include <mach/irqs.h>
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2011-11-11 10:47:16 +08:00
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#include <video/sh_mobile_lcdc.h>
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2011-11-11 10:46:45 +08:00
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/*
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* CS Address device note
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*----------------------------------------------------------------
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* 0 0x0000_0000 NOR Flash (64MB) SW12 : bit3 = OFF
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* 2 0x0800_0000 ExtNOR (64MB) SW12 : bit3 = OFF
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* 4 -
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* 5A -
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* 5B 0x1600_0000 SRAM (8MB)
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* 6 0x1800_0000 FPGA (64K)
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* 0x1801_0000 Ether (4KB)
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* 0x1801_1000 USB (4KB)
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*/
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/*
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* SW12
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*
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* bit1 bit2 bit3
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*----------------------------------------------------------------------------
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* ON NOR WriteProtect NAND WriteProtect CS0 ExtNOR / CS2 NOR
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* OFF NOR Not WriteProtect NAND Not WriteProtect CS0 NOR / CS2 ExtNOR
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*/
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2011-11-11 10:46:56 +08:00
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/*
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* SCIFA5 (CN42)
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*
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* S38.3 = ON
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* S39.6 = ON
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* S43.1 = ON
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*/
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2011-11-11 10:47:16 +08:00
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/*
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* LCDC0 (CN3/CN4/CN7)
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*
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* S38.1 = OFF
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* S38.2 = OFF
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*/
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2012-06-27 06:32:27 +08:00
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/* Dummy supplies, where voltage doesn't matter */
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static struct regulator_consumer_supply dummy_supplies[] = {
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REGULATOR_SUPPLY("vddvario", "smsc911x"),
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REGULATOR_SUPPLY("vdd33a", "smsc911x"),
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};
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2011-11-11 10:46:45 +08:00
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/*
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* FPGA
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*/
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2011-11-11 10:47:26 +08:00
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#define IRQSR0 0x0020
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#define IRQSR1 0x0022
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#define IRQMR0 0x0030
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#define IRQMR1 0x0032
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2011-11-11 10:46:56 +08:00
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#define BUSSWMR1 0x0070
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#define BUSSWMR2 0x0072
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#define BUSSWMR3 0x0074
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#define BUSSWMR4 0x0076
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2011-11-11 10:47:16 +08:00
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#define LCDCR 0x10B4
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2011-11-11 10:47:26 +08:00
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#define DEVRSTCR1 0x10D0
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#define DEVRSTCR2 0x10D2
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2011-11-11 10:46:45 +08:00
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#define A1MDSR 0x10E0
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#define BVERR 0x1100
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2011-11-11 10:47:26 +08:00
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/* FPGA IRQ */
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#define FPGA_IRQ_BASE (512)
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#define FPGA_IRQ0 (FPGA_IRQ_BASE)
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#define FPGA_IRQ1 (FPGA_IRQ_BASE + 16)
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2011-11-11 10:47:36 +08:00
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#define FPGA_ETH_IRQ (FPGA_IRQ0 + 15)
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2011-11-11 10:46:45 +08:00
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static u16 bonito_fpga_read(u32 offset)
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{
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2012-09-15 04:08:08 +08:00
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return __raw_readw(IOMEM(0xf0003000) + offset);
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2011-11-11 10:46:45 +08:00
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}
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static void bonito_fpga_write(u32 offset, u16 val)
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{
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2012-09-15 04:08:08 +08:00
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__raw_writew(val, IOMEM(0xf0003000) + offset);
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2011-11-11 10:46:45 +08:00
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}
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2011-11-11 10:47:26 +08:00
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static void bonito_fpga_irq_disable(struct irq_data *data)
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{
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unsigned int irq = data->irq;
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u32 addr = (irq < 1016) ? IRQMR0 : IRQMR1;
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int shift = irq % 16;
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bonito_fpga_write(addr, bonito_fpga_read(addr) | (1 << shift));
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}
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static void bonito_fpga_irq_enable(struct irq_data *data)
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{
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unsigned int irq = data->irq;
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u32 addr = (irq < 1016) ? IRQMR0 : IRQMR1;
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int shift = irq % 16;
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bonito_fpga_write(addr, bonito_fpga_read(addr) & ~(1 << shift));
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}
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static struct irq_chip bonito_fpga_irq_chip __read_mostly = {
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.name = "bonito FPGA",
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.irq_mask = bonito_fpga_irq_disable,
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.irq_unmask = bonito_fpga_irq_enable,
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};
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static void bonito_fpga_irq_demux(unsigned int irq, struct irq_desc *desc)
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{
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u32 val = bonito_fpga_read(IRQSR1) << 16 |
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bonito_fpga_read(IRQSR0);
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u32 mask = bonito_fpga_read(IRQMR1) << 16 |
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bonito_fpga_read(IRQMR0);
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int i;
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val &= ~mask;
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for (i = 0; i < 32; i++) {
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if (!(val & (1 << i)))
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continue;
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generic_handle_irq(FPGA_IRQ_BASE + i);
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}
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}
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static void bonito_fpga_init(void)
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{
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int i;
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bonito_fpga_write(IRQMR0, 0xffff); /* mask all */
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bonito_fpga_write(IRQMR1, 0xffff); /* mask all */
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/* Device reset */
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bonito_fpga_write(DEVRSTCR1,
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(1 << 2)); /* Eth */
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/* FPGA irq require special handling */
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for (i = FPGA_IRQ_BASE; i < FPGA_IRQ_BASE + 32; i++) {
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irq_set_chip_and_handler_name(i, &bonito_fpga_irq_chip,
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handle_level_irq, "level");
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set_irq_flags(i, IRQF_VALID); /* yuck */
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}
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irq_set_chained_handler(evt2irq(0x0340), bonito_fpga_irq_demux);
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irq_set_irq_type(evt2irq(0x0340), IRQ_TYPE_LEVEL_LOW);
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}
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2011-11-11 10:47:07 +08:00
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/*
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* PMIC settings
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*
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* FIXME
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*
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* bonito board needs some settings by pmic which use i2c access.
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* pmic settings use device_initcall() here for use it.
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*/
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static __u8 *pmic_settings = NULL;
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static __u8 pmic_do_2A[] = {
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0x1C, 0x09,
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0x1A, 0x80,
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0xff, 0xff,
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};
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static int __init pmic_init(void)
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{
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struct i2c_adapter *a = i2c_get_adapter(0);
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struct i2c_msg msg;
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__u8 buf[2];
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int i, ret;
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if (!pmic_settings)
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return 0;
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if (!a)
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return 0;
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msg.addr = 0x46;
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msg.buf = buf;
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msg.len = 2;
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msg.flags = 0;
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for (i = 0; ; i += 2) {
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buf[0] = pmic_settings[i + 0];
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buf[1] = pmic_settings[i + 1];
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if ((0xff == buf[0]) && (0xff == buf[1]))
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break;
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ret = i2c_transfer(a, &msg, 1);
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if (ret < 0) {
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pr_err("i2c transfer fail\n");
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break;
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}
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}
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return 0;
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}
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device_initcall(pmic_init);
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2011-11-11 10:47:16 +08:00
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/*
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* LCDC0
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*/
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static const struct fb_videomode lcdc0_mode = {
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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 = 88,
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.right_margin = 40,
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.hsync_len = 128,
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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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static struct sh_mobile_lcdc_info lcdc0_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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2012-02-29 21:46:24 +08:00
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.fourcc = V4L2_PIX_FMT_RGB565,
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2011-11-11 10:47:16 +08:00
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.interface_type = RGB24,
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.clock_divider = 5,
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.flags = 0,
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2011-11-29 21:33:41 +08:00
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.lcd_modes = &lcdc0_mode,
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.num_modes = 1,
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2011-09-12 04:59:04 +08:00
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.panel_cfg = {
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2011-11-11 10:47:16 +08:00
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.width = 152,
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.height = 91,
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},
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},
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};
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static struct resource lcdc0_resources[] = {
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[0] = {
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.name = "LCDC0",
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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(0x0580),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device lcdc0_device = {
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.name = "sh_mobile_lcdc_fb",
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.id = 0,
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.resource = lcdc0_resources,
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.num_resources = ARRAY_SIZE(lcdc0_resources),
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.dev = {
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.platform_data = &lcdc0_info,
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.coherent_dma_mask = ~0,
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},
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};
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2011-11-11 10:47:36 +08:00
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/*
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* SMSC 9221
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*/
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static struct resource smsc_resources[] = {
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[0] = {
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.start = 0x18010000,
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.end = 0x18011000 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = FPGA_ETH_IRQ,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct smsc911x_platform_config smsc_platdata = {
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.flags = SMSC911X_USE_16BIT,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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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 smsc_device = {
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.name = "smsc911x",
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.dev = {
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.platform_data = &smsc_platdata,
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},
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.resource = smsc_resources,
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.num_resources = ARRAY_SIZE(smsc_resources),
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};
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2011-11-11 10:46:45 +08:00
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/*
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2011-11-11 10:46:56 +08:00
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* core board devices
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2011-11-11 10:46:45 +08:00
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*/
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2011-11-11 10:46:56 +08:00
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static struct platform_device *bonito_core_devices[] __initdata = {
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};
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/*
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* base board devices
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*/
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static struct platform_device *bonito_base_devices[] __initdata = {
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2011-11-11 10:47:16 +08:00
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&lcdc0_device,
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2011-11-11 10:47:36 +08:00
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&smsc_device,
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2011-11-11 10:46:45 +08:00
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};
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/*
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* map I/O
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*/
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static struct map_desc bonito_io_desc[] __initdata = {
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/*
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* for FPGA (0x1800000-0x19ffffff)
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* 0x18000000-0x18002000 -> 0xf0003000-0xf0005000
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*/
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{
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.virtual = 0xf0003000,
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.pfn = __phys_to_pfn(0x18000000),
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.length = PAGE_SIZE * 2,
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.type = MT_DEVICE_NONSHARED
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}
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};
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static void __init bonito_map_io(void)
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{
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2012-02-29 20:37:35 +08:00
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r8a7740_map_io();
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2011-11-11 10:46:45 +08:00
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iotable_init(bonito_io_desc, ARRAY_SIZE(bonito_io_desc));
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}
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/*
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* board init
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*/
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2011-11-11 10:46:56 +08:00
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#define BIT_ON(sw, bit) (sw & (1 << bit))
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#define BIT_OFF(sw, bit) (!(sw & (1 << bit)))
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2012-09-15 04:08:08 +08:00
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#define VCCQ1CR IOMEM(0xE6058140)
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#define VCCQ1LCDCR IOMEM(0xE6058186)
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2011-11-11 10:47:16 +08:00
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2011-11-11 10:46:45 +08:00
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static void __init bonito_init(void)
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{
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u16 val;
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2012-06-27 06:32:27 +08:00
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regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
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2011-11-11 10:46:45 +08:00
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r8a7740_pinmux_init();
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2011-11-11 10:47:26 +08:00
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bonito_fpga_init();
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2011-11-11 10:46:45 +08:00
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2011-11-11 10:47:07 +08:00
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pmic_settings = pmic_do_2A;
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2011-11-11 10:46:56 +08:00
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/*
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* core board settings
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*/
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2011-11-11 10:46:45 +08:00
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#ifdef CONFIG_CACHE_L2X0
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/* Early BRESP enable, Shared attribute override enable, 32K*8way */
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2012-03-10 07:16:40 +08:00
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l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
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2011-11-11 10:46:45 +08:00
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#endif
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r8a7740_add_standard_devices();
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2011-11-11 10:46:56 +08:00
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platform_add_devices(bonito_core_devices,
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ARRAY_SIZE(bonito_core_devices));
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/*
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* base board settings
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*/
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gpio_request(GPIO_PORT176, NULL);
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gpio_direction_input(GPIO_PORT176);
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if (!gpio_get_value(GPIO_PORT176)) {
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u16 bsw2;
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u16 bsw3;
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u16 bsw4;
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/*
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* FPGA
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*/
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gpio_request(GPIO_FN_CS5B, NULL);
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gpio_request(GPIO_FN_CS6A, NULL);
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gpio_request(GPIO_FN_CS5A_PORT105, NULL);
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gpio_request(GPIO_FN_IRQ10, NULL);
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val = bonito_fpga_read(BVERR);
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pr_info("bonito version: cpu %02x, base %02x\n",
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((val >> 8) & 0xFF),
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((val >> 0) & 0xFF));
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bsw2 = bonito_fpga_read(BUSSWMR2);
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bsw3 = bonito_fpga_read(BUSSWMR3);
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bsw4 = bonito_fpga_read(BUSSWMR4);
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/*
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* SCIFA5 (CN42)
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*/
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if (BIT_OFF(bsw2, 1) && /* S38.3 = ON */
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BIT_OFF(bsw3, 9) && /* S39.6 = ON */
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BIT_OFF(bsw4, 4)) { /* S43.1 = ON */
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gpio_request(GPIO_FN_SCIFA5_TXD_PORT91, NULL);
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gpio_request(GPIO_FN_SCIFA5_RXD_PORT92, NULL);
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}
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2011-11-11 10:47:16 +08:00
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/*
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* LCDC0 (CN3)
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*/
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if (BIT_ON(bsw2, 3) && /* S38.1 = OFF */
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BIT_ON(bsw2, 2)) { /* S38.2 = OFF */
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gpio_request(GPIO_FN_LCDC0_SELECT, NULL);
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gpio_request(GPIO_FN_LCD0_D0, NULL);
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gpio_request(GPIO_FN_LCD0_D1, NULL);
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gpio_request(GPIO_FN_LCD0_D2, NULL);
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gpio_request(GPIO_FN_LCD0_D3, NULL);
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gpio_request(GPIO_FN_LCD0_D4, NULL);
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gpio_request(GPIO_FN_LCD0_D5, NULL);
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gpio_request(GPIO_FN_LCD0_D6, NULL);
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gpio_request(GPIO_FN_LCD0_D7, NULL);
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gpio_request(GPIO_FN_LCD0_D8, NULL);
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gpio_request(GPIO_FN_LCD0_D9, NULL);
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gpio_request(GPIO_FN_LCD0_D10, NULL);
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gpio_request(GPIO_FN_LCD0_D11, NULL);
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gpio_request(GPIO_FN_LCD0_D12, NULL);
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gpio_request(GPIO_FN_LCD0_D13, NULL);
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gpio_request(GPIO_FN_LCD0_D14, NULL);
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gpio_request(GPIO_FN_LCD0_D15, NULL);
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gpio_request(GPIO_FN_LCD0_D16, NULL);
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gpio_request(GPIO_FN_LCD0_D17, NULL);
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gpio_request(GPIO_FN_LCD0_D18_PORT163, NULL);
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gpio_request(GPIO_FN_LCD0_D19_PORT162, NULL);
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gpio_request(GPIO_FN_LCD0_D20_PORT161, NULL);
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gpio_request(GPIO_FN_LCD0_D21_PORT158, NULL);
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gpio_request(GPIO_FN_LCD0_D22_PORT160, NULL);
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gpio_request(GPIO_FN_LCD0_D23_PORT159, NULL);
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gpio_request(GPIO_FN_LCD0_DCK, NULL);
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gpio_request(GPIO_FN_LCD0_VSYN, NULL);
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gpio_request(GPIO_FN_LCD0_HSYN, NULL);
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gpio_request(GPIO_FN_LCD0_DISP, NULL);
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gpio_request(GPIO_FN_LCD0_LCLK_PORT165, NULL);
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gpio_request(GPIO_PORT61, NULL); /* LCDDON */
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gpio_direction_output(GPIO_PORT61, 1);
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/* backlight on */
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bonito_fpga_write(LCDCR, 1);
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/* drivability Max */
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__raw_writew(0x00FF , VCCQ1LCDCR);
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__raw_writew(0xFFFF , VCCQ1CR);
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}
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2011-11-11 10:46:56 +08:00
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platform_add_devices(bonito_base_devices,
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ARRAY_SIZE(bonito_base_devices));
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}
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2011-11-11 10:46:45 +08:00
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}
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2012-03-06 16:36:53 +08:00
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static void __init bonito_earlytimer_init(void)
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2011-11-11 10:46:45 +08:00
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{
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u16 val;
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u8 md_ck = 0;
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/* read MD_CK value */
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val = bonito_fpga_read(A1MDSR);
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if (val & (1 << 10))
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md_ck |= MD_CK2;
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if (val & (1 << 9))
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md_ck |= MD_CK1;
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if (val & (1 << 8))
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md_ck |= MD_CK0;
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r8a7740_clock_init(md_ck);
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2012-03-06 16:36:53 +08:00
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shmobile_earlytimer_init();
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2011-11-11 10:46:45 +08:00
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}
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2012-04-09 13:29:12 +08:00
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static void __init bonito_add_early_devices(void)
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2012-03-06 16:36:53 +08:00
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{
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r8a7740_add_early_devices();
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/* override timer setup with board-specific code */
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shmobile_timer.init = bonito_earlytimer_init;
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}
|
2011-11-11 10:46:45 +08:00
|
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MACHINE_START(BONITO, "bonito")
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.map_io = bonito_map_io,
|
2012-03-06 16:36:53 +08:00
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.init_early = bonito_add_early_devices,
|
2011-11-11 10:46:45 +08:00
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.init_irq = r8a7740_init_irq,
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.handle_irq = shmobile_handle_irq_intc,
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.init_machine = bonito_init,
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2012-04-26 21:58:41 +08:00
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.init_late = shmobile_init_late,
|
2012-03-06 16:36:53 +08:00
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.timer = &shmobile_timer,
|
2011-11-11 10:46:45 +08:00
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MACHINE_END
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