LXR linux/arch/arm/mach-s5p64x0/init.c

   1/* linux/arch/arm/mach-s5p64x0/init.c
   2 *
   3 * Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
   4 *              http://www.samsung.com
   5 *
   6 * S5P64X0 - 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 <mach/map.h>
  19
  20#include <plat/cpu.h>
  21#include <plat/devs.h>
  22#include <plat/s5p6440.h>
  23#include <plat/s5p6450.h>
  24#include <plat/regs-serial.h>
  25
  26static struct s3c24xx_uart_clksrc s5p64x0_serial_clocks[] = {
  27        [0] = {
  28                .name           = "pclk_low",
  29                .divisor        = 1,
  30                .min_baud       = 0,
  31                .max_baud       = 0,
  32        },
  33        [1] = {
  34                .name           = "uclk1",
  35                .divisor        = 1,
  36                .min_baud       = 0,
  37                .max_baud       = 0,
  38        },
  39};
  40
  41/* uart registration process */
  42
  43void __init s5p64x0_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
  44{
  45        struct s3c2410_uartcfg *tcfg = cfg;
  46        u32 ucnt;
  47
  48        for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
  49                if (!tcfg->clocks) {
  50                        tcfg->clocks = s5p64x0_serial_clocks;
  51                        tcfg->clocks_size = ARRAY_SIZE(s5p64x0_serial_clocks);
  52                }
  53        }
  54}
  55
  56void __init s5p6440_init_uarts(struct s3c2410_uartcfg *cfg, int no)
  57{
  58        int uart;
  59
  60        for (uart = 0; uart < no; uart++) {
  61                s5p_uart_resources[uart].resources->start = S5P6440_PA_UART(uart);
  62                s5p_uart_resources[uart].resources->end = S5P6440_PA_UART(uart) + S5P_SZ_UART;
  63        }
  64
  65        s5p64x0_common_init_uarts(cfg, no);
  66        s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
  67}
  68
  69void __init s5p6450_init_uarts(struct s3c2410_uartcfg *cfg, int no)
  70{
  71        s5p64x0_common_init_uarts(cfg, no);
  72        s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
  73}
  74