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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setup.c (2154B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * linux/arch/sh/boards/se/7721/setup.c
      4 *
      5 * Copyright (C) 2008 Renesas Solutions Corp.
      6 *
      7 * Hitachi UL SolutionEngine 7721 Support.
      8 */
      9#include <linux/init.h>
     10#include <linux/platform_device.h>
     11#include <mach-se/mach/se7721.h>
     12#include <mach-se/mach/mrshpc.h>
     13#include <asm/machvec.h>
     14#include <asm/io.h>
     15#include <asm/heartbeat.h>
     16
     17static unsigned char heartbeat_bit_pos[] = { 8, 9, 10, 11, 12, 13, 14, 15 };
     18
     19static struct heartbeat_data heartbeat_data = {
     20	.bit_pos	= heartbeat_bit_pos,
     21	.nr_bits	= ARRAY_SIZE(heartbeat_bit_pos),
     22};
     23
     24static struct resource heartbeat_resource = {
     25	.start	= PA_LED,
     26	.end	= PA_LED,
     27	.flags	= IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
     28};
     29
     30static struct platform_device heartbeat_device = {
     31	.name		= "heartbeat",
     32	.id		= -1,
     33	.dev	= {
     34		.platform_data	= &heartbeat_data,
     35	},
     36	.num_resources	= 1,
     37	.resource	= &heartbeat_resource,
     38};
     39
     40static struct resource cf_ide_resources[] = {
     41	[0] = {
     42		.start	= PA_MRSHPC_IO + 0x1f0,
     43		.end	= PA_MRSHPC_IO + 0x1f0 + 8 ,
     44		.flags	= IORESOURCE_IO,
     45	},
     46	[1] = {
     47		.start	= PA_MRSHPC_IO + 0x1f0 + 0x206,
     48		.end	= PA_MRSHPC_IO + 0x1f0 + 8 + 0x206 + 8,
     49		.flags	= IORESOURCE_IO,
     50	},
     51	[2] = {
     52		.start  = MRSHPC_IRQ0,
     53		.flags  = IORESOURCE_IRQ,
     54	},
     55};
     56
     57static struct platform_device cf_ide_device = {
     58	.name		= "pata_platform",
     59	.id		= -1,
     60	.num_resources	= ARRAY_SIZE(cf_ide_resources),
     61	.resource	= cf_ide_resources,
     62};
     63
     64static struct platform_device *se7721_devices[] __initdata = {
     65	&cf_ide_device,
     66	&heartbeat_device
     67};
     68
     69static int __init se7721_devices_setup(void)
     70{
     71	mrshpc_setup_windows();
     72	return platform_add_devices(se7721_devices, ARRAY_SIZE(se7721_devices));
     73}
     74device_initcall(se7721_devices_setup);
     75
     76static void __init se7721_setup(char **cmdline_p)
     77{
     78	/* for USB */
     79	__raw_writew(0x0000, 0xA405010C);	/* PGCR */
     80	__raw_writew(0x0000, 0xA405010E);	/* PHCR */
     81	__raw_writew(0x00AA, 0xA4050118);	/* PPCR */
     82	__raw_writew(0x0000, 0xA4050124);	/* PSELA */
     83}
     84
     85/*
     86 * The Machine Vector
     87 */
     88struct sh_machine_vector mv_se7721 __initmv = {
     89	.mv_name		= "Solution Engine 7721",
     90	.mv_setup		= se7721_setup,
     91	.mv_init_irq		= init_se7721_IRQ,
     92};