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-smdk2413.c (3928B)

      1// SPDX-License-Identifier: GPL-2.0
      2//
      3// Copyright (c) 2006 Simtec Electronics
      4//	Ben Dooks <ben@simtec.co.uk>
      5//
      6// Thanks to Dimity Andric (TomTom) and Steven Ryu (Samsung) for the
      7// loans of SMDK2413 to work with.
      8
      9#include <linux/kernel.h>
     10#include <linux/types.h>
     11#include <linux/interrupt.h>
     12#include <linux/list.h>
     13#include <linux/timer.h>
     14#include <linux/init.h>
     15#include <linux/gpio.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#include <linux/memblock.h>
     21
     22#include <asm/mach/arch.h>
     23#include <asm/mach/map.h>
     24#include <asm/mach/irq.h>
     25
     26#include <asm/hardware/iomd.h>
     27#include <asm/setup.h>
     28#include <asm/irq.h>
     29#include <asm/mach-types.h>
     30
     31//#include <asm/debug-ll.h>
     32#include "hardware-s3c24xx.h"
     33#include "regs-gpio.h"
     34
     35#include <linux/platform_data/usb-s3c2410_udc.h>
     36#include <linux/platform_data/i2c-s3c2410.h>
     37#include <linux/platform_data/fb-s3c2410.h>
     38#include "gpio-samsung.h"
     39#include "gpio-cfg.h"
     40
     41#include "devs.h"
     42#include "cpu.h"
     43
     44#include "s3c24xx.h"
     45#include "common-smdk-s3c24xx.h"
     46
     47static struct map_desc smdk2413_iodesc[] __initdata = {
     48};
     49
     50static struct s3c2410_uartcfg smdk2413_uartcfgs[] __initdata = {
     51	[0] = {
     52		.hwport	     = 0,
     53		.flags	     = 0,
     54		.ucon	     = 0x3c5,
     55		.ulcon	     = 0x03,
     56		.ufcon	     = 0x51,
     57	},
     58	[1] = {
     59		.hwport	     = 1,
     60		.flags	     = 0,
     61		.ucon	     = 0x3c5,
     62		.ulcon	     = 0x03,
     63		.ufcon	     = 0x51,
     64	},
     65	/* IR port */
     66	[2] = {
     67		.hwport	     = 2,
     68		.flags	     = 0,
     69		.ucon	     = 0x3c5,
     70		.ulcon	     = 0x43,
     71		.ufcon	     = 0x51,
     72	}
     73};
     74
     75
     76static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
     77	.pullup_pin = S3C2410_GPF(2),
     78};
     79
     80
     81static struct platform_device *smdk2413_devices[] __initdata = {
     82	&s3c_device_ohci,
     83	&s3c_device_wdt,
     84	&s3c_device_i2c0,
     85	&s3c_device_iis,
     86	&s3c_device_usbgadget,
     87	&s3c2412_device_dma,
     88};
     89
     90static void __init smdk2413_fixup(struct tag *tags, char **cmdline)
     91{
     92	if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
     93		memblock_add(0x30000000, SZ_64M);
     94	}
     95}
     96
     97static void __init smdk2413_map_io(void)
     98{
     99	s3c24xx_init_io(smdk2413_iodesc, ARRAY_SIZE(smdk2413_iodesc));
    100	s3c24xx_init_uarts(smdk2413_uartcfgs, ARRAY_SIZE(smdk2413_uartcfgs));
    101	s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
    102}
    103
    104static void __init smdk2413_init_time(void)
    105{
    106	s3c2412_init_clocks(12000000);
    107	s3c24xx_timer_init();
    108}
    109
    110static void __init smdk2413_machine_init(void)
    111{	/* Turn off suspend on both USB ports, and switch the
    112	 * selectable USB port to USB device mode. */
    113
    114	s3c2410_modify_misccr(S3C2410_MISCCR_USBHOST |
    115			      S3C2410_MISCCR_USBSUSPND0 |
    116			      S3C2410_MISCCR_USBSUSPND1, 0x0);
    117
    118
    119 	s3c24xx_udc_set_platdata(&smdk2413_udc_cfg);
    120	s3c_i2c0_set_platdata(NULL);
    121	/* Configure the I2S pins (GPE0...GPE4) in correct mode */
    122	s3c_gpio_cfgall_range(S3C2410_GPE(0), 5, S3C_GPIO_SFN(2),
    123			      S3C_GPIO_PULL_NONE);
    124
    125	platform_add_devices(smdk2413_devices, ARRAY_SIZE(smdk2413_devices));
    126	smdk_machine_init();
    127}
    128
    129MACHINE_START(S3C2413, "S3C2413")
    130	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
    131	.atag_offset	= 0x100,
    132	.nr_irqs	= NR_IRQS_S3C2412,
    133
    134	.fixup		= smdk2413_fixup,
    135	.init_irq	= s3c2412_init_irq,
    136	.map_io		= smdk2413_map_io,
    137	.init_machine	= smdk2413_machine_init,
    138	.init_time	= s3c24xx_timer_init,
    139MACHINE_END
    140
    141MACHINE_START(SMDK2412, "SMDK2412")
    142	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
    143	.atag_offset	= 0x100,
    144	.nr_irqs	= NR_IRQS_S3C2412,
    145
    146	.fixup		= smdk2413_fixup,
    147	.init_irq	= s3c2412_init_irq,
    148	.map_io		= smdk2413_map_io,
    149	.init_machine	= smdk2413_machine_init,
    150	.init_time	= s3c24xx_timer_init,
    151MACHINE_END
    152
    153MACHINE_START(SMDK2413, "SMDK2413")
    154	/* Maintainer: Ben Dooks <ben-linux@fluff.org> */
    155	.atag_offset	= 0x100,
    156	.nr_irqs	= NR_IRQS_S3C2412,
    157
    158	.fixup		= smdk2413_fixup,
    159	.init_irq	= s3c2412_init_irq,
    160	.map_io		= smdk2413_map_io,
    161	.init_machine	= smdk2413_machine_init,
    162	.init_time	= smdk2413_init_time,
    163MACHINE_END