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
  46 static struct map_desc vstms_iodesc[] __initdata = {
  47 };
  48
  49 static 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
  73 static 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
  96 static 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
 109 static 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
 118 static 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
 128 static 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
 135 static 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
 142 static void __init vstms_init_time(void)
 143 {
 144         s3c2412_init_clocks(12000000);
 145         samsung_timer_init();
 146 }
 147
 148 static 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
 156 MACHINE_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,
 164 MACHINE_END