cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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board-edosk7760.c (3942B)

      1// SPDX-License-Identifier: GPL-2.0+
      2/*
      3 * Renesas Europe EDOSK7760 Board Support
      4 *
      5 * Copyright (C) 2008 SPES Societa' Progettazione Elettronica e Software Ltd.
      6 * Author: Luca Santini <luca.santini@spesonline.com>
      7 */
      8#include <linux/init.h>
      9#include <linux/types.h>
     10#include <linux/platform_device.h>
     11#include <linux/smc91x.h>
     12#include <linux/interrupt.h>
     13#include <linux/sh_intc.h>
     14#include <linux/i2c.h>
     15#include <linux/mtd/physmap.h>
     16#include <asm/machvec.h>
     17#include <asm/io.h>
     18#include <asm/addrspace.h>
     19#include <asm/delay.h>
     20#include <asm/i2c-sh7760.h>
     21#include <linux/sizes.h>
     22
     23/* Bus state controller registers for CS4 area */
     24#define BSC_CS4BCR	0xA4FD0010
     25#define BSC_CS4WCR	0xA4FD0030
     26
     27#define SMC_IOBASE	0xA2000000
     28#define SMC_IO_OFFSET	0x300
     29#define SMC_IOADDR	(SMC_IOBASE + SMC_IO_OFFSET)
     30
     31/* NOR flash */
     32static struct mtd_partition edosk7760_nor_flash_partitions[] = {
     33	{
     34		.name = "bootloader",
     35		.offset = 0,
     36		.size = SZ_256K,
     37		.mask_flags = MTD_WRITEABLE,	/* Read-only */
     38	}, {
     39		.name = "kernel",
     40		.offset = MTDPART_OFS_APPEND,
     41		.size = SZ_2M,
     42	}, {
     43		.name = "fs",
     44		.offset = MTDPART_OFS_APPEND,
     45		.size = (26 << 20),
     46	}, {
     47		.name = "other",
     48		.offset = MTDPART_OFS_APPEND,
     49		.size = MTDPART_SIZ_FULL,
     50	},
     51};
     52
     53static struct physmap_flash_data edosk7760_nor_flash_data = {
     54	.width		= 4,
     55	.parts		= edosk7760_nor_flash_partitions,
     56	.nr_parts	= ARRAY_SIZE(edosk7760_nor_flash_partitions),
     57};
     58
     59static struct resource edosk7760_nor_flash_resources[] = {
     60	[0] = {
     61		.name	= "NOR Flash",
     62		.start	= 0x00000000,
     63		.end	= 0x00000000 + SZ_32M - 1,
     64		.flags	= IORESOURCE_MEM,
     65	}
     66};
     67
     68static struct platform_device edosk7760_nor_flash_device = {
     69	.name		= "physmap-flash",
     70	.resource	= edosk7760_nor_flash_resources,
     71	.num_resources	= ARRAY_SIZE(edosk7760_nor_flash_resources),
     72	.dev		= {
     73		.platform_data = &edosk7760_nor_flash_data,
     74	},
     75};
     76
     77/* i2c initialization functions */
     78static struct sh7760_i2c_platdata i2c_pd = {
     79	.speed_khz	= 400,
     80};
     81
     82static struct resource sh7760_i2c1_res[] = {
     83	{
     84		.start	= SH7760_I2C1_MMIO,
     85		.end	= SH7760_I2C1_MMIOEND,
     86		.flags	= IORESOURCE_MEM,
     87	},{
     88		.start	= evt2irq(0x9e0),
     89		.end	= evt2irq(0x9e0),
     90		.flags	= IORESOURCE_IRQ,
     91	},
     92};
     93
     94static struct platform_device sh7760_i2c1_dev = {
     95	.dev    = {
     96		.platform_data	= &i2c_pd,
     97	},
     98
     99	.name		= SH7760_I2C_DEVNAME,
    100	.id		= 1,
    101	.resource	= sh7760_i2c1_res,
    102	.num_resources	= ARRAY_SIZE(sh7760_i2c1_res),
    103};
    104
    105static struct resource sh7760_i2c0_res[] = {
    106	{
    107		.start	= SH7760_I2C0_MMIO,
    108		.end	= SH7760_I2C0_MMIOEND,
    109		.flags	= IORESOURCE_MEM,
    110	}, {
    111		.start	= evt2irq(0x9c0),
    112		.end	= evt2irq(0x9c0),
    113		.flags	= IORESOURCE_IRQ,
    114	},
    115};
    116
    117static struct platform_device sh7760_i2c0_dev = {
    118	.dev    = {
    119		.platform_data	= &i2c_pd,
    120	},
    121	.name		= SH7760_I2C_DEVNAME,
    122	.id		= 0,
    123	.resource	= sh7760_i2c0_res,
    124	.num_resources	= ARRAY_SIZE(sh7760_i2c0_res),
    125};
    126
    127/* eth initialization functions */
    128static struct smc91x_platdata smc91x_info = {
    129	.flags = SMC91X_USE_16BIT | SMC91X_IO_SHIFT_1 | IORESOURCE_IRQ_LOWLEVEL,
    130};
    131
    132static struct resource smc91x_res[] = {
    133	[0] = {
    134		.start	= SMC_IOADDR,
    135		.end	= SMC_IOADDR + SZ_32 - 1,
    136		.flags	= IORESOURCE_MEM,
    137	},
    138	[1] = {
    139		.start	= evt2irq(0x2a0),
    140		.end	= evt2irq(0x2a0),
    141		.flags	= IORESOURCE_IRQ ,
    142	}
    143};
    144
    145static struct platform_device smc91x_dev = {
    146	.name		= "smc91x",
    147	.id		= -1,
    148	.num_resources	= ARRAY_SIZE(smc91x_res),
    149	.resource	= smc91x_res,
    150
    151	.dev	= {
    152		.platform_data	= &smc91x_info,
    153	},
    154};
    155
    156/* platform init code */
    157static struct platform_device *edosk7760_devices[] __initdata = {
    158	&smc91x_dev,
    159	&edosk7760_nor_flash_device,
    160	&sh7760_i2c0_dev,
    161	&sh7760_i2c1_dev,
    162};
    163
    164static int __init init_edosk7760_devices(void)
    165{
    166	plat_irq_setup_pins(IRQ_MODE_IRQ);
    167
    168	return platform_add_devices(edosk7760_devices,
    169				    ARRAY_SIZE(edosk7760_devices));
    170}
    171device_initcall(init_edosk7760_devices);
    172
    173/*
    174 * The Machine Vector
    175 */
    176struct sh_machine_vector mv_edosk7760 __initmv = {
    177	.mv_name	= "EDOSK7760",
    178};