arch/arm/mach-s5p6440/mach-smdk6440.c

   1 /* linux/arch/arm/mach-s5p6440/mach-smdk6440.c
   2  *
   3  * Copyright (c) 2009 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9 */
  10
  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/delay.h>
  17 #include <linux/init.h>
  18 #include <linux/serial_core.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/io.h>
  21 #include <linux/module.h>
  22 #include <linux/clk.h>
  23
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26
  27 #include <mach/hardware.h>
  28 #include <mach/map.h>
  29
  30 #include <asm/irq.h>
  31 #include <asm/mach-types.h>
  32
  33 #include <plat/regs-serial.h>
  34
  35 #include <plat/s5p6440.h>
  36 #include <plat/clock.h>
  37 #include <mach/regs-clock.h>
  38 #include <plat/devs.h>
  39 #include <plat/cpu.h>
  40 #include <plat/pll.h>
  41
  42 #define S5P6440_UCON_DEFAULT    (S3C2410_UCON_TXILEVEL |        \
  43                                 S3C2410_UCON_RXILEVEL |         \
  44                                 S3C2410_UCON_TXIRQMODE |        \
  45                                 S3C2410_UCON_RXIRQMODE |        \
  46                                 S3C2410_UCON_RXFIFO_TOI |       \
  47                                 S3C2443_UCON_RXERR_IRQEN)
  48
  49 #define S5P6440_ULCON_DEFAULT   S3C2410_LCON_CS8
  50
  51 #define S5P6440_UFCON_DEFAULT   (S3C2410_UFCON_FIFOMODE |       \
  52                                 S3C2440_UFCON_TXTRIG16 |        \
  53                                 S3C2410_UFCON_RXTRIG8)
  54
  55 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  56         [0] = {
  57                 .hwport      = 0,
  58                 .flags       = 0,
  59                 .ucon        = S5P6440_UCON_DEFAULT,
  60                 .ulcon       = S5P6440_ULCON_DEFAULT,
  61                 .ufcon       = S5P6440_UFCON_DEFAULT,
  62         },
  63         [1] = {
  64                 .hwport      = 1,
  65                 .flags       = 0,
  66                 .ucon        = S5P6440_UCON_DEFAULT,
  67                 .ulcon       = S5P6440_ULCON_DEFAULT,
  68                 .ufcon       = S5P6440_UFCON_DEFAULT,
  69         },
  70         [2] = {
  71                 .hwport      = 2,
  72                 .flags       = 0,
  73                 .ucon        = S5P6440_UCON_DEFAULT,
  74                 .ulcon       = S5P6440_ULCON_DEFAULT,
  75                 .ufcon       = S5P6440_UFCON_DEFAULT,
  76         },
  77         [3] = {
  78                 .hwport      = 3,
  79                 .flags       = 0,
  80                 .ucon        = S5P6440_UCON_DEFAULT,
  81                 .ulcon       = S5P6440_ULCON_DEFAULT,
  82                 .ufcon       = S5P6440_UFCON_DEFAULT,
  83         },
  84 };
  85
  86 static struct platform_device *smdk6440_devices[] __initdata = {
  87         &s5p6440_device_iis,
  88 };
  89
  90 static void __init smdk6440_map_io(void)
  91 {
  92         s5p_init_io(NULL, 0, S5P_SYS_ID);
  93         s3c24xx_init_clocks(12000000);
  94         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
  95 }
  96
  97 static void __init smdk6440_machine_init(void)
  98 {
  99         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 100 }
 101
 102 MACHINE_START(SMDK6440, "SMDK6440")
 103         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 104         .phys_io        = S3C_PA_UART & 0xfff00000,
 105         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
 106         .boot_params    = S5P_PA_SDRAM + 0x100,
 107
 108         .init_irq       = s5p6440_init_irq,
 109         .map_io         = smdk6440_map_io,
 110         .init_machine   = smdk6440_machine_init,
 111         .timer          = &s3c24xx_timer,
 112 MACHINE_END