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 (2889B)

      1// SPDX-License-Identifier: GPL-2.0
      2/*
      3 * linux/arch/sh/boards/se/7780/setup.c
      4 *
      5 * Copyright (C) 2006,2007  Nobuhiro Iwamatsu
      6 *
      7 * Hitachi UL SolutionEngine 7780 Support.
      8 */
      9#include <linux/init.h>
     10#include <linux/platform_device.h>
     11#include <asm/machvec.h>
     12#include <mach-se/mach/se7780.h>
     13#include <asm/io.h>
     14#include <asm/heartbeat.h>
     15
     16/* Heartbeat */
     17static struct resource heartbeat_resource = {
     18	.start  = PA_LED,
     19	.end    = PA_LED,
     20	.flags  = IORESOURCE_MEM | IORESOURCE_MEM_16BIT,
     21};
     22
     23static struct platform_device heartbeat_device = {
     24	.name           = "heartbeat",
     25	.id             = -1,
     26	.num_resources  = 1,
     27	.resource       = &heartbeat_resource,
     28};
     29
     30/* SMC91x */
     31static struct resource smc91x_eth_resources[] = {
     32	[0] = {
     33		.name   = "smc91x-regs" ,
     34		.start  = PA_LAN + 0x300,
     35		.end    = PA_LAN + 0x300 + 0x10 ,
     36		.flags  = IORESOURCE_MEM,
     37	},
     38	[1] = {
     39		.start  = SMC_IRQ,
     40		.end    = SMC_IRQ,
     41		.flags  = IORESOURCE_IRQ,
     42	},
     43};
     44
     45static struct platform_device smc91x_eth_device = {
     46	.name           = "smc91x",
     47	.id             = 0,
     48	.dev = {
     49		.dma_mask               = NULL,         /* don't use dma */
     50		.coherent_dma_mask      = 0xffffffff,
     51	},
     52	.num_resources  = ARRAY_SIZE(smc91x_eth_resources),
     53	.resource       = smc91x_eth_resources,
     54};
     55
     56static struct platform_device *se7780_devices[] __initdata = {
     57	&heartbeat_device,
     58	&smc91x_eth_device,
     59};
     60
     61static int __init se7780_devices_setup(void)
     62{
     63	return platform_add_devices(se7780_devices,
     64		ARRAY_SIZE(se7780_devices));
     65}
     66device_initcall(se7780_devices_setup);
     67
     68#define GPIO_PHCR        0xFFEA000E
     69#define GPIO_PMSELR      0xFFEA0080
     70#define GPIO_PECR        0xFFEA0008
     71
     72static void __init se7780_setup(char **cmdline_p)
     73{
     74	/* "SH-Linux" on LED Display */
     75	__raw_writew( 'S' , PA_LED_DISP + (DISP_SEL0_ADDR << 1) );
     76	__raw_writew( 'H' , PA_LED_DISP + (DISP_SEL1_ADDR << 1) );
     77	__raw_writew( '-' , PA_LED_DISP + (DISP_SEL2_ADDR << 1) );
     78	__raw_writew( 'L' , PA_LED_DISP + (DISP_SEL3_ADDR << 1) );
     79	__raw_writew( 'i' , PA_LED_DISP + (DISP_SEL4_ADDR << 1) );
     80	__raw_writew( 'n' , PA_LED_DISP + (DISP_SEL5_ADDR << 1) );
     81	__raw_writew( 'u' , PA_LED_DISP + (DISP_SEL6_ADDR << 1) );
     82	__raw_writew( 'x' , PA_LED_DISP + (DISP_SEL7_ADDR << 1) );
     83
     84	printk(KERN_INFO "Hitachi UL Solutions Engine 7780SE03 support.\n");
     85
     86	/*
     87	 * PCI REQ/GNT setting
     88	 *   REQ0/GNT0 -> USB
     89	 *   REQ1/GNT1 -> PC Card
     90	 *   REQ2/GNT2 -> Serial ATA
     91	 *   REQ3/GNT3 -> PCI slot
     92	 */
     93	__raw_writew(0x0213, FPGA_REQSEL);
     94
     95	/* GPIO setting */
     96	__raw_writew(0x0000, GPIO_PECR);
     97	__raw_writew(__raw_readw(GPIO_PHCR)&0xfff3, GPIO_PHCR);
     98	__raw_writew(0x0c00, GPIO_PMSELR);
     99
    100	/* iVDR Power ON */
    101	__raw_writew(0x0001, FPGA_IVDRPW);
    102}
    103
    104/*
    105 * The Machine Vector
    106 */
    107static struct sh_machine_vector mv_se7780 __initmv = {
    108	.mv_name                = "Solution Engine 7780" ,
    109	.mv_setup               = se7780_setup ,
    110	.mv_init_irq		= init_se7780_IRQ,
    111};