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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dev-hsspi.c (1201B)

      1/*
      2 * This file is subject to the terms and conditions of the GNU General Public
      3 * License.  See the file "COPYING" in the main directory of this archive
      4 * for more details.
      5 *
      6 * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com>
      7 */
      8
      9#include <linux/init.h>
     10#include <linux/kernel.h>
     11#include <linux/platform_device.h>
     12
     13#include <bcm63xx_cpu.h>
     14#include <bcm63xx_dev_hsspi.h>
     15#include <bcm63xx_regs.h>
     16
     17static struct resource spi_resources[] = {
     18	{
     19		.start		= -1, /* filled at runtime */
     20		.end		= -1, /* filled at runtime */
     21		.flags		= IORESOURCE_MEM,
     22	},
     23	{
     24		.start		= -1, /* filled at runtime */
     25		.flags		= IORESOURCE_IRQ,
     26	},
     27};
     28
     29static struct platform_device bcm63xx_hsspi_device = {
     30	.name		= "bcm63xx-hsspi",
     31	.id		= 0,
     32	.num_resources	= ARRAY_SIZE(spi_resources),
     33	.resource	= spi_resources,
     34};
     35
     36int __init bcm63xx_hsspi_register(void)
     37{
     38	if (!BCMCPU_IS_6328() && !BCMCPU_IS_6362())
     39		return -ENODEV;
     40
     41	spi_resources[0].start = bcm63xx_regset_address(RSET_HSSPI);
     42	spi_resources[0].end = spi_resources[0].start;
     43	spi_resources[0].end += RSET_HSSPI_SIZE - 1;
     44	spi_resources[1].start = bcm63xx_get_irq_number(IRQ_HSSPI);
     45
     46	return platform_device_register(&bcm63xx_hsspi_device);
     47}