LXR linux/arch/arm/mach-s3c24xx/mach-vstms.c

   1// SPDX-License-Identifier: GPL-2.0
   2//
   3// (C) 2006 Thomas Gleixner <tglx@linutronix.de>
   4//
   5// Derived from mach-smdk2413.c - (C) 2006 Simtec Electronics
   6
   7#include <linux/kernel.h>
   8#include <linux/types.h>
   9#include <linux/interrupt.h>
  10#include <linux/list.h>
  11#include <linux/timer.h>
  12#include <linux/init.h>
  13#include <linux/serial_core.h>
  14#include <linux/serial_s3c.h>
  15#include <linux/platform_device.h>
  16#include <linux/io.h>
  17#include <linux/mtd/mtd.h>
  18#include <linux/mtd/rawnand.h>
  19#include <linux/mtd/nand_ecc.h>
  20#include <linux/mtd/partitions.h>
  21#include <linux/memblock.h>
  22
  23#include <asm/mach/arch.h>
  24#include <asm/mach/map.h>
  25#include <asm/mach/irq.h>
  26
  27#include <mach/hardware.h>
  28#include <asm/setup.h>
  29#include <asm/irq.h>
  30#include <asm/mach-types.h>
  31
  32#include <mach/regs-gpio.h>
  33#include <mach/regs-lcd.h>
  34
  35#include <mach/fb.h>
  36
  37#include <linux/platform_data/i2c-s3c2410.h>
  38#include <linux/platform_data/mtd-nand-s3c2410.h>
  39
  40#include <plat/devs.h>
  41#include <plat/cpu.h>
  42#include <plat/samsung-time.h>
  43
  44#include "common.h"
  45
  46static struct map_desc vstms_iodesc[] __initdata = {
  47};
  48
  49static struct s3c2410_uartcfg vstms_uartcfgs[] __initdata = {
  50        [0] = {
  51                .hwport      = 0,
  52                .flags       = 0,
  53                .ucon        = 0x3c5,
  54                .ulcon       = 0x03,
  55                .ufcon       = 0x51,
  56        },
  57        [1] = {
  58                .hwport      = 1,
  59                .flags       = 0,
  60                .ucon        = 0x3c5,
  61                .ulcon       = 0x03,
  62                .ufcon       = 0x51,
  63        },
  64        [2] = {
  65                .hwport      = 2,
  66                .flags       = 0,
  67                .ucon        = 0x3c5,
  68                .ulcon       = 0x03,
  69                .ufcon       = 0x51,
  70        }
  71};
  72
  73static struct mtd_partition __initdata vstms_nand_part[] = {
  74        [0] = {
  75                .name   = "Boot Agent",
  76                .size   = 0x7C000,
  77                .offset = 0,
  78        },
  79        [1] = {
  80                .name   = "UBoot Config",
  81                .offset = 0x7C000,
  82                .size   = 0x4000,
  83        },
  84        [2] = {
  85                .name   = "Kernel",
  86                .offset = 0x80000,
  87                .size   = 0x200000,
  88        },
  89        [3] = {
  90                .name   = "RFS",
  91                .offset = 0x280000,
  92                .size   = 0x3d80000,
  93        },
  94};
  95
  96static struct s3c2410_nand_set __initdata vstms_nand_sets[] = {
  97        [0] = {
  98                .name           = "NAND",
  99                .nr_chips       = 1,
 100                .nr_partitions  = ARRAY_SIZE(vstms_nand_part),
 101                .partitions     = vstms_nand_part,
 102        },
 103};
 104
 105/* choose a set of timings which should suit most 512Mbit
 106 * chips and beyond.
 107*/
 108
 109static struct s3c2410_platform_nand __initdata vstms_nand_info = {
 110        .tacls          = 20,
 111        .twrph0         = 60,
 112        .twrph1         = 20,
 113        .nr_sets        = ARRAY_SIZE(vstms_nand_sets),
 114        .sets           = vstms_nand_sets,
 115        .ecc_mode       = NAND_ECC_SOFT,
 116};
 117
 118static struct platform_device *vstms_devices[] __initdata = {
 119        &s3c_device_ohci,
 120        &s3c_device_wdt,
 121        &s3c_device_i2c0,
 122        &s3c_device_iis,
 123        &s3c_device_rtc,
 124        &s3c_device_nand,
 125        &s3c2412_device_dma,
 126};
 127
 128static void __init vstms_fixup(struct tag *tags, char **cmdline)
 129{
 130        if (tags != phys_to_virt(S3C2410_SDRAM_PA + 0x100)) {
 131                memblock_add(0x30000000, SZ_64M);
 132        }
 133}
 134
 135static void __init vstms_map_io(void)
 136{
 137        s3c24xx_init_io(vstms_iodesc, ARRAY_SIZE(vstms_iodesc));
 138        s3c24xx_init_uarts(vstms_uartcfgs, ARRAY_SIZE(vstms_uartcfgs));
 139        samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 140}
 141
 142static void __init vstms_init_time(void)
 143{
 144        s3c2412_init_clocks(12000000);
 145        samsung_timer_init();
 146}
 147
 148static void __init vstms_init(void)
 149{
 150        s3c_i2c0_set_platdata(NULL);
 151        s3c_nand_set_platdata(&vstms_nand_info);
 152
 153        platform_add_devices(vstms_devices, ARRAY_SIZE(vstms_devices));
 154}
 155
 156MACHINE_START(VSTMS, "VSTMS")
 157        .atag_offset    = 0x100,
 158
 159        .fixup          = vstms_fixup,
 160        .init_irq       = s3c2412_init_irq,
 161        .init_machine   = vstms_init,
 162        .map_io         = vstms_map_io,
 163        .init_time      = vstms_init_time,
 164MACHINE_END
 165