arch/arm/mach-exynos4/init.c

   1 /* linux/arch/arm/mach-exynos4/init.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/serial_core.h>
  12
  13 #include <plat/cpu.h>
  14 #include <plat/devs.h>
  15 #include <plat/regs-serial.h>
  16
  17 static struct s3c24xx_uart_clksrc exynos4_serial_clocks[] = {
  18         [0] = {
  19                 .name           = "uclk1",
  20                 .divisor        = 1,
  21                 .min_baud       = 0,
  22                 .max_baud       = 0,
  23         },
  24 };
  25
  26 /* uart registration process */
  27 void __init exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
  28 {
  29         struct s3c2410_uartcfg *tcfg = cfg;
  30         u32 ucnt;
  31
  32         for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
  33                 if (!tcfg->clocks) {
  34                         tcfg->has_fracval = 1;
  35                         tcfg->clocks = exynos4_serial_clocks;
  36                         tcfg->clocks_size = ARRAY_SIZE(exynos4_serial_clocks);
  37                 }
  38                 tcfg->flags |= NO_NEED_CHECK_CLKSRC;
  39         }
  40
  41         s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
  42 }