arch/arm/mach-s5p6440/init.c

   1 /* linux/arch/arm/mach-s5p6440/init.c
   2  *
   3  * Copyright (c) 2009 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com/
   5  *
   6  * S5P6440 - Init support
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11 */
  12
  13 #include <linux/kernel.h>
  14 #include <linux/types.h>
  15 #include <linux/init.h>
  16 #include <linux/serial_core.h>
  17
  18 #include <plat/cpu.h>
  19 #include <plat/devs.h>
  20 #include <plat/s5p6440.h>
  21 #include <plat/regs-serial.h>
  22
  23 static struct s3c24xx_uart_clksrc s5p6440_serial_clocks[] = {
  24         [0] = {
  25                 .name           = "pclk_low",
  26                 .divisor        = 1,
  27                 .min_baud       = 0,
  28                 .max_baud       = 0,
  29         },
  30         [1] = {
  31                 .name           = "uclk1",
  32                 .divisor        = 1,
  33                 .min_baud       = 0,
  34                 .max_baud       = 0,
  35         },
  36 };
  37
  38 /* uart registration process */
  39 void __init s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
  40 {
  41         struct s3c2410_uartcfg *tcfg = cfg;
  42         u32 ucnt;
  43
  44         for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
  45                 if (!tcfg->clocks) {
  46                         tcfg->clocks = s5p6440_serial_clocks;
  47                         tcfg->clocks_size = ARRAY_SIZE(s5p6440_serial_clocks);
  48                 }
  49         }
  50
  51         s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
  52 }