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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mach-smdk2443.c (2894B)

      1// SPDX-License-Identifier: GPL-2.0
      2//
      3// Copyright (c) 2007 Simtec Electronics
      4//	Ben Dooks <ben@simtec.co.uk>
      5//
      6// http://www.fluff.org/ben/smdk2443/
      7//
      8// Thanks to Samsung for the loan of an SMDK2443
      9
     10#include <linux/kernel.h>
     11#include <linux/types.h>
     12#include <linux/interrupt.h>
     13#include <linux/list.h>
     14#include <linux/timer.h>
     15#include <linux/init.h>
     16#include <linux/serial_core.h>
     17#include <linux/serial_s3c.h>
     18#include <linux/platform_device.h>
     19#include <linux/io.h>
     20
     21#include <asm/mach/arch.h>
     22#include <asm/mach/map.h>
     23#include <asm/mach/irq.h>
     24
     25#include <asm/irq.h>
     26#include <asm/mach-types.h>
     27
     28#include "regs-gpio.h"
     29
     30#include <linux/platform_data/fb-s3c2410.h>
     31#include <linux/platform_data/i2c-s3c2410.h>
     32
     33#include "devs.h"
     34#include "cpu.h"
     35
     36#include "s3c24xx.h"
     37#include "common-smdk-s3c24xx.h"
     38
     39static struct map_desc smdk2443_iodesc[] __initdata = {
     40	/* ISA IO Space map (memory space selected by A24) */
     41
     42	{
     43		.virtual	= (u32)S3C24XX_VA_ISA_BYTE,
     44		.pfn		= __phys_to_pfn(S3C2410_CS2),
     45		.length		= 0x10000,
     46		.type		= MT_DEVICE,
     47	}, {
     48		.virtual	= (u32)S3C24XX_VA_ISA_BYTE + 0x10000,
     49		.pfn		= __phys_to_pfn(S3C2410_CS2 + (1<<24)),
     50		.length		= SZ_4M,
     51		.type		= MT_DEVICE,
     52	}
     53};
     54
     55#define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
     56#define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
     57#define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
     58
     59static struct s3c2410_uartcfg smdk2443_uartcfgs[] __initdata = {
     60	[0] = {
     61		.hwport	     = 0,
     62		.flags	     = 0,
     63		.ucon	     = 0x3c5,
     64		.ulcon	     = 0x03,
     65		.ufcon	     = 0x51,
     66	},
     67	[1] = {
     68		.hwport	     = 1,
     69		.flags	     = 0,
     70		.ucon	     = 0x3c5,
     71		.ulcon	     = 0x03,
     72		.ufcon	     = 0x51,
     73	},
     74	/* IR port */
     75	[2] = {
     76		.hwport	     = 2,
     77		.flags	     = 0,
     78		.ucon	     = 0x3c5,
     79		.ulcon	     = 0x43,
     80		.ufcon	     = 0x51,
     81	},
     82	[3] = {
     83		.hwport	     = 3,
     84		.flags	     = 0,
     85		.ucon	     = 0x3c5,
     86		.ulcon	     = 0x03,
     87		.ufcon	     = 0x51,
     88	}
     89};
     90
     91static struct platform_device *smdk2443_devices[] __initdata = {
     92	&s3c_device_wdt,
     93	&s3c_device_i2c0,
     94	&s3c_device_hsmmc1,
     95	&s3c2443_device_dma,
     96};
     97
     98static void __init smdk2443_map_io(void)
     99{
    100	s3c24xx_init_io(smdk2443_iodesc, ARRAY_SIZE(smdk2443_iodesc));
    101	s3c24xx_init_uarts(smdk2443_uartcfgs, ARRAY_SIZE(smdk2443_uartcfgs));
    102	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
    103}
    104
    105static void __init smdk2443_init_time(void)
    106{
    107	s3c2443_init_clocks(12000000);
    108	s3c24xx_timer_init();
    109}
    110
    111static void __init smdk2443_machine_init(void)
    112{
    113	s3c_i2c0_set_platdata(NULL);
    114	platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
    115	smdk_machine_init();
    116}
    117
    118MACHINE_START(SMDK2443, "SMDK2443")
    119	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
    120	.atag_offset	= 0x100,
    121	.nr_irqs	= NR_IRQS_S3C2443,
    122	.init_irq	= s3c2443_init_irq,
    123	.map_io		= smdk2443_map_io,
    124	.init_machine	= smdk2443_machine_init,
    125	.init_time	= smdk2443_init_time,
    126MACHINE_END