arch/arm/mach-s3c/mach-tct_hammer.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 //
   3 // Copyright (c) 2007 TinCanTools
   4 //      David Anders <danders@amltd.com>
   5 //
   6 // @History:
   7 // derived from linux/arch/arm/mach-s3c2410/mach-bast.c, written by
   8 // Ben Dooks <ben@simtec.co.uk>
   9
  10 #include <linux/gpio/machine.h>
  11 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/list.h>
  15 #include <linux/timer.h>
  16 #include <linux/init.h>
  17 #include <linux/device.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/serial_core.h>
  20 #include <linux/serial_s3c.h>
  21 #include <linux/io.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/map.h>
  25 #include <asm/mach/irq.h>
  26 #include <asm/mach/flash.h>
  27
  28 #include <asm/irq.h>
  29 #include <asm/mach-types.h>
  30
  31 #include <linux/platform_data/i2c-s3c2410.h>
  32 #include "devs.h"
  33 #include "cpu.h"
  34
  35 #include <linux/mtd/mtd.h>
  36 #include <linux/mtd/partitions.h>
  37 #include <linux/mtd/map.h>
  38 #include <linux/mtd/physmap.h>
  39
  40 #include "s3c24xx.h"
  41
  42 static struct resource tct_hammer_nor_resource =
  43                         DEFINE_RES_MEM(0x00000000, SZ_16M);
  44
  45 static struct mtd_partition tct_hammer_mtd_partitions[] = {
  46         {
  47                 .name           = "System",
  48                 .size           = 0x240000,
  49                 .offset         = 0,
  50                 .mask_flags     = MTD_WRITEABLE,  /* force read-only */
  51         }, {
  52                 .name           = "JFFS2",
  53                 .size           = MTDPART_SIZ_FULL,
  54                 .offset         = MTDPART_OFS_APPEND,
  55         }
  56 };
  57
  58 static struct physmap_flash_data tct_hammer_flash_data = {
  59         .width          = 2,
  60         .parts          = tct_hammer_mtd_partitions,
  61         .nr_parts       = ARRAY_SIZE(tct_hammer_mtd_partitions),
  62 };
  63
  64 static struct platform_device tct_hammer_device_nor = {
  65         .name           = "physmap-flash",
  66         .id             = 0,
  67         .dev = {
  68                         .platform_data = &tct_hammer_flash_data,
  69                 },
  70         .num_resources  = 1,
  71         .resource       = &tct_hammer_nor_resource,
  72 };
  73
  74 static struct map_desc tct_hammer_iodesc[] __initdata = {
  75 };
  76
  77 #define UCON S3C2410_UCON_DEFAULT
  78 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  79 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  80
  81 static struct s3c2410_uartcfg tct_hammer_uartcfgs[] = {
  82         [0] = {
  83                 .hwport      = 0,
  84                 .flags       = 0,
  85                 .ucon        = UCON,
  86                 .ulcon       = ULCON,
  87                 .ufcon       = UFCON,
  88         },
  89         [1] = {
  90                 .hwport      = 1,
  91                 .flags       = 0,
  92                 .ucon        = UCON,
  93                 .ulcon       = ULCON,
  94                 .ufcon       = UFCON,
  95         },
  96         [2] = {
  97                 .hwport      = 2,
  98                 .flags       = 0,
  99                 .ucon        = UCON,
 100                 .ulcon       = ULCON,
 101                 .ufcon       = UFCON,
 102         }
 103 };
 104
 105 static struct gpiod_lookup_table tct_hammer_mmc_gpio_table = {
 106         .dev_id = "s3c2410-sdi",
 107         .table = {
 108                 /* bus pins */
 109                 GPIO_LOOKUP_IDX("GPIOE",  5, "bus", 0, GPIO_ACTIVE_HIGH),
 110                 GPIO_LOOKUP_IDX("GPIOE",  6, "bus", 1, GPIO_ACTIVE_HIGH),
 111                 GPIO_LOOKUP_IDX("GPIOE",  7, "bus", 2, GPIO_ACTIVE_HIGH),
 112                 GPIO_LOOKUP_IDX("GPIOE",  8, "bus", 3, GPIO_ACTIVE_HIGH),
 113                 GPIO_LOOKUP_IDX("GPIOE",  9, "bus", 4, GPIO_ACTIVE_HIGH),
 114                 GPIO_LOOKUP_IDX("GPIOE", 10, "bus", 5, GPIO_ACTIVE_HIGH),
 115                 { },
 116         },
 117 };
 118
 119 static struct platform_device *tct_hammer_devices[] __initdata = {
 120         &s3c_device_adc,
 121         &s3c_device_wdt,
 122         &s3c_device_i2c0,
 123         &s3c_device_ohci,
 124         &s3c_device_rtc,
 125         &s3c_device_usbgadget,
 126         &s3c_device_sdi,
 127         &tct_hammer_device_nor,
 128 };
 129
 130 static void __init tct_hammer_map_io(void)
 131 {
 132         s3c24xx_init_io(tct_hammer_iodesc, ARRAY_SIZE(tct_hammer_iodesc));
 133         s3c24xx_init_uarts(tct_hammer_uartcfgs, ARRAY_SIZE(tct_hammer_uartcfgs));
 134         s3c24xx_set_timer_source(S3C24XX_PWM3, S3C24XX_PWM4);
 135 }
 136
 137 static void __init tct_hammer_init_time(void)
 138 {
 139         s3c2410_init_clocks(12000000);
 140         s3c24xx_timer_init();
 141 }
 142
 143 static void __init tct_hammer_init(void)
 144 {
 145         s3c_i2c0_set_platdata(NULL);
 146         gpiod_add_lookup_table(&tct_hammer_mmc_gpio_table);
 147         platform_add_devices(tct_hammer_devices, ARRAY_SIZE(tct_hammer_devices));
 148 }
 149
 150 MACHINE_START(TCT_HAMMER, "TCT_HAMMER")
 151         .atag_offset    = 0x100,
 152         .map_io         = tct_hammer_map_io,
 153         .init_irq       = s3c2410_init_irq,
 154         .init_machine   = tct_hammer_init,
 155         .init_time      = tct_hammer_init_time,
 156 MACHINE_END