192 lines
4.5 KiB
C
Executable File
192 lines
4.5 KiB
C
Executable File
/*
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* Renesas Europe EDOSK7760 Board Support
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*
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* Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
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* Author: Luca Santini <luca.santini@spesonline.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; 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/platform_device.h>
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#include <linux/smc91x.h>
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#include <linux/interrupt.h>
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#include <linux/sh_intc.h>
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#include <linux/i2c.h>
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#include <linux/mtd/physmap.h>
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#include <asm/machvec.h>
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#include <asm/io.h>
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#include <asm/addrspace.h>
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#include <asm/delay.h>
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#include <asm/i2c-sh7760.h>
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#include <asm/sizes.h>
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/* Bus state controller registers for CS4 area */
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#define BSC_CS4BCR 0xA4FD0010
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#define BSC_CS4WCR 0xA4FD0030
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#define SMC_IOBASE 0xA2000000
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#define SMC_IO_OFFSET 0x300
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#define SMC_IOADDR (SMC_IOBASE + SMC_IO_OFFSET)
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/* NOR flash */
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static struct mtd_partition edosk7760_nor_flash_partitions[] = {
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{
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.name = "bootloader",
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.offset = 0,
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.size = SZ_256K,
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.mask_flags = MTD_WRITEABLE, /* Read-only */
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}, {
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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}, {
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.name = "fs",
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.offset = MTDPART_OFS_APPEND,
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.size = (26 << 20),
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}, {
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.name = "other",
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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 edosk7760_nor_flash_data = {
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.width = 4,
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.parts = edosk7760_nor_flash_partitions,
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.nr_parts = ARRAY_SIZE(edosk7760_nor_flash_partitions),
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};
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static struct resource edosk7760_nor_flash_resources[] = {
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[0] = {
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.name = "NOR Flash",
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.start = 0x00000000,
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.end = 0x00000000 + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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}
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};
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static struct platform_device edosk7760_nor_flash_device = {
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.name = "physmap-flash",
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.resource = edosk7760_nor_flash_resources,
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.num_resources = ARRAY_SIZE(edosk7760_nor_flash_resources),
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.dev = {
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.platform_data = &edosk7760_nor_flash_data,
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},
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};
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/* i2c initialization functions */
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static struct sh7760_i2c_platdata i2c_pd = {
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.speed_khz = 400,
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};
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static struct resource sh7760_i2c1_res[] = {
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{
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.start = SH7760_I2C1_MMIO,
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.end = SH7760_I2C1_MMIOEND,
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.flags = IORESOURCE_MEM,
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},{
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.start = evt2irq(0x9e0),
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.end = evt2irq(0x9e0),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sh7760_i2c1_dev = {
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.dev = {
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.platform_data = &i2c_pd,
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},
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.name = SH7760_I2C_DEVNAME,
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.id = 1,
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.resource = sh7760_i2c1_res,
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.num_resources = ARRAY_SIZE(sh7760_i2c1_res),
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};
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static struct resource sh7760_i2c0_res[] = {
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{
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.start = SH7760_I2C0_MMIO,
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.end = SH7760_I2C0_MMIOEND,
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.flags = IORESOURCE_MEM,
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}, {
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.start = evt2irq(0x9c0),
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.end = evt2irq(0x9c0),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sh7760_i2c0_dev = {
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.dev = {
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.platform_data = &i2c_pd,
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},
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.name = SH7760_I2C_DEVNAME,
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.id = 0,
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.resource = sh7760_i2c0_res,
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.num_resources = ARRAY_SIZE(sh7760_i2c0_res),
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};
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/* eth initialization functions */
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static struct smc91x_platdata smc91x_info = {
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.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
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};
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static struct resource smc91x_res[] = {
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[0] = {
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.start = SMC_IOADDR,
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.end = SMC_IOADDR + SZ_32 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x2a0),
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.end = evt2irq(0x2a0),
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.flags = IORESOURCE_IRQ ,
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}
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};
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static struct platform_device smc91x_dev = {
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.name = "smc91x",
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.id = -1,
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.num_resources = ARRAY_SIZE(smc91x_res),
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.resource = smc91x_res,
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.dev = {
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.platform_data = &smc91x_info,
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},
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};
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/* platform init code */
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static struct platform_device *edosk7760_devices[] __initdata = {
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&smc91x_dev,
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&edosk7760_nor_flash_device,
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&sh7760_i2c0_dev,
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&sh7760_i2c1_dev,
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};
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static int __init init_edosk7760_devices(void)
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{
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plat_irq_setup_pins(IRQ_MODE_IRQ);
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return platform_add_devices(edosk7760_devices,
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ARRAY_SIZE(edosk7760_devices));
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}
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device_initcall(init_edosk7760_devices);
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/*
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* The Machine Vector
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*/
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struct sh_machine_vector mv_edosk7760 __initmv = {
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.mv_name = "EDOSK7760",
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};
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