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// SPDX-License-Identifier: GPL-2.0+
/*
* Renesas Europe EDOSK7760 Board Support
*
* Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
* Author: Luca Santini <luca.santini@spesonline.com>
*/
#include <linux/init.h>
#include <linux/types.h>
#include <linux/platform_device.h>
#include <linux/smc91x.h>
#include <linux/interrupt.h>
#include <linux/sh_intc.h>
#include <linux/i2c.h>
#include <linux/mtd/physmap.h>
#include <asm/machvec.h>
#include <asm/io.h>
#include <asm/addrspace.h>
#include <asm/delay.h>
#include <asm/i2c-sh7760.h>
#include <linux/sizes.h>
/* Bus state controller registers for CS4 area */
#define BSC_CS4BCR 0xA4FD0010
#define BSC_CS4WCR 0xA4FD0030
#define SMC_IOBASE 0xA2000000
#define SMC_IO_OFFSET 0x300
#define SMC_IOADDR (SMC_IOBASE + SMC_IO_OFFSET)
/* NOR flash */
static struct mtd_partition edosk7760_nor_flash_partitions[] = {
{
.name = "bootloader",
.offset = 0,
.size = SZ_256K,
.mask_flags = MTD_WRITEABLE, /* Read-only */
}, {
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
}, {
.name = "fs",
.offset = MTDPART_OFS_APPEND,
.size = (26 << 20),
}, {
.name = "other",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct physmap_flash_data edosk7760_nor_flash_data = {
.width = 4,
.parts = edosk7760_nor_flash_partitions,
.nr_parts = ARRAY_SIZE(edosk7760_nor_flash_partitions),
};
static struct resource edosk7760_nor_flash_resources[] = {
[0] = {
.name = "NOR Flash",
.start = 0x00000000,
.end = 0x00000000 + SZ_32M - 1,
.flags = IORESOURCE_MEM,
}
};
static struct platform_device edosk7760_nor_flash_device = {
.name = "physmap-flash",
.resource = edosk7760_nor_flash_resources,
.num_resources = ARRAY_SIZE(edosk7760_nor_flash_resources),
.dev = {
.platform_data = &edosk7760_nor_flash_data,
},
};
/* i2c initialization functions */
static struct sh7760_i2c_platdata i2c_pd = {
.speed_khz = 400,
};
static struct resource sh7760_i2c1_res[] = {
{
.start = SH7760_I2C1_MMIO,
.end = SH7760_I2C1_MMIOEND,
.flags = IORESOURCE_MEM,
},{
.start = evt2irq(0x9e0),
.end = evt2irq(0x9e0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sh7760_i2c1_dev = {
.dev = {
.platform_data = &i2c_pd,
},
.name = SH7760_I2C_DEVNAME,
.id = 1,
.resource = sh7760_i2c1_res,
.num_resources = ARRAY_SIZE(sh7760_i2c1_res),
};
static struct resource sh7760_i2c0_res[] = {
{
.start = SH7760_I2C0_MMIO,
.end = SH7760_I2C0_MMIOEND,
.flags = IORESOURCE_MEM,
}, {
.start = evt2irq(0x9c0),
.end = evt2irq(0x9c0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device sh7760_i2c0_dev = {
.dev = {
.platform_data = &i2c_pd,
},
.name = SH7760_I2C_DEVNAME,
.id = 0,
.resource = sh7760_i2c0_res,
.num_resources = ARRAY_SIZE(sh7760_i2c0_res),
};
/* eth initialization functions */
static struct smc91x_platdata smc91x_info = {
.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
};
static struct resource smc91x_res[] = {
[0] = {
.start = SMC_IOADDR,
.end = SMC_IOADDR + SZ_32 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = evt2irq(0x2a0),
.end = evt2irq(0x2a0),
.flags = IORESOURCE_IRQ ,
}
};
static struct platform_device smc91x_dev = {
.name = "smc91x",
.id = -1,
.num_resources = ARRAY_SIZE(smc91x_res),
.resource = smc91x_res,
.dev = {
.platform_data = &smc91x_info,
},
};
/* platform init code */
static struct platform_device *edosk7760_devices[] __initdata = {
&smc91x_dev,
&edosk7760_nor_flash_device,
&sh7760_i2c0_dev,
&sh7760_i2c1_dev,
};
static int __init init_edosk7760_devices(void)
{
plat_irq_setup_pins(IRQ_MODE_IRQ);
return platform_add_devices(edosk7760_devices,
ARRAY_SIZE(edosk7760_devices));
}
device_initcall(init_edosk7760_devices);
/*
* The Machine Vector
*/
struct sh_machine_vector mv_edosk7760 __initmv = {
.mv_name = "EDOSK7760",
};
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