arch/arm/mach-s5pv210/mach-goni.c

   1 /* linux/arch/arm/mach-s5pv210/mach-goni.c
   2  *
   3  * Copyright (c) 2010 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/init.h>
  14 #include <linux/serial_core.h>
  15
  16 #include <asm/mach/arch.h>
  17 #include <asm/mach/map.h>
  18 #include <asm/setup.h>
  19 #include <asm/mach-types.h>
  20
  21 #include <mach/map.h>
  22 #include <mach/regs-clock.h>
  23
  24 #include <plat/regs-serial.h>
  25 #include <plat/s5pv210.h>
  26 #include <plat/devs.h>
  27 #include <plat/cpu.h>
  28
  29 /* Following are default values for UCON, ULCON and UFCON UART registers */
  30 #define S5PV210_UCON_DEFAULT    (S3C2410_UCON_TXILEVEL |        \
  31                                  S3C2410_UCON_RXILEVEL |        \
  32                                  S3C2410_UCON_TXIRQMODE |       \
  33                                  S3C2410_UCON_RXIRQMODE |       \
  34                                  S3C2410_UCON_RXFIFO_TOI |      \
  35                                  S3C2443_UCON_RXERR_IRQEN)
  36
  37 #define S5PV210_ULCON_DEFAULT   S3C2410_LCON_CS8
  38
  39 #define S5PV210_UFCON_DEFAULT   S3C2410_UFCON_FIFOMODE
  40
  41 static struct s3c2410_uartcfg goni_uartcfgs[] __initdata = {
  42         [0] = {
  43                 .hwport         = 0,
  44                 .flags          = 0,
  45                 .ucon           = S5PV210_UCON_DEFAULT,
  46                 .ulcon          = S5PV210_ULCON_DEFAULT,
  47                 .ufcon          = S5PV210_UFCON_DEFAULT |
  48                         S5PV210_UFCON_TXTRIG256 | S5PV210_UFCON_RXTRIG256,
  49         },
  50         [1] = {
  51                 .hwport         = 1,
  52                 .flags          = 0,
  53                 .ucon           = S5PV210_UCON_DEFAULT,
  54                 .ulcon          = S5PV210_ULCON_DEFAULT,
  55                 .ufcon          = S5PV210_UFCON_DEFAULT |
  56                         S5PV210_UFCON_TXTRIG64 | S5PV210_UFCON_RXTRIG64,
  57         },
  58         [2] = {
  59                 .hwport         = 2,
  60                 .flags          = 0,
  61                 .ucon           = S5PV210_UCON_DEFAULT,
  62                 .ulcon          = S5PV210_ULCON_DEFAULT,
  63                 .ufcon          = S5PV210_UFCON_DEFAULT |
  64                         S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
  65         },
  66         [3] = {
  67                 .hwport         = 3,
  68                 .flags          = 0,
  69                 .ucon           = S5PV210_UCON_DEFAULT,
  70                 .ulcon          = S5PV210_ULCON_DEFAULT,
  71                 .ufcon          = S5PV210_UFCON_DEFAULT |
  72                         S5PV210_UFCON_TXTRIG16 | S5PV210_UFCON_RXTRIG16,
  73         },
  74 };
  75
  76 static struct platform_device *goni_devices[] __initdata = {
  77 };
  78
  79 static void __init goni_map_io(void)
  80 {
  81         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
  82         s3c24xx_init_clocks(24000000);
  83         s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs));
  84 }
  85
  86 static void __init goni_machine_init(void)
  87 {
  88         platform_add_devices(goni_devices, ARRAY_SIZE(goni_devices));
  89 }
  90
  91 MACHINE_START(GONI, "GONI")
  92         /* Maintainers: Kyungmin Park <kyungmin.park@samsung.com> */
  93         .phys_io        = S3C_PA_UART & 0xfff00000,
  94         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
  95         .boot_params    = S5P_PA_SDRAM + 0x100,
  96         .init_irq       = s5pv210_init_irq,
  97         .map_io         = goni_map_io,
  98         .init_machine   = goni_machine_init,
  99         .timer          = &s3c24xx_timer,
 100 MACHINE_END