board/davinci/da8xxevm/hawkboard.c

   1 /*
   2  * Modified for Hawkboard - Syed Mohammed Khasim <khasim@beagleboard.org>
   3  *
   4  * Copyright (C) 2008 Sekhar Nori, Texas Instruments, Inc.  <nsekhar@ti.com>
   5  * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
   6  * Copyright (C) 2004 Texas Instruments.
   7  *
   8  * ----------------------------------------------------------------------------
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  * ----------------------------------------------------------------------------
  23  */
  24
  25 #include <common.h>
  26 #include <asm/errno.h>
  27 #include <asm/arch/hardware.h>
  28 #include <asm/io.h>
  29 #include <asm/arch/davinci_misc.h>
  30 #include <ns16550.h>
  31 #include <asm/arch/da8xx_common.h>
  32
  33 DECLARE_GLOBAL_DATA_PTR;
  34
  35 int board_init(void)
  36 {
  37         /* arch number of the board */
  38         gd->bd->bi_arch_number = MACH_TYPE_OMAPL138_HAWKBOARD;
  39
  40         /* address of boot parameters */
  41         gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
  42
  43         return 0;
  44 }
  45
  46 int board_early_init_f(void)
  47 {
  48         /*
  49          * Kick Registers need to be set to allow access to Pin Mux registers
  50          */
  51         writel(HAWKBOARD_KICK0_UNLOCK, &davinci_syscfg_regs->kick0);
  52         writel(HAWKBOARD_KICK1_UNLOCK, &davinci_syscfg_regs->kick1);
  53
  54         /* set cfgchip3 to select mii */
  55         writel(readl(&davinci_syscfg_regs->cfgchip3) &
  56                ~(1 << 8), &davinci_syscfg_regs->cfgchip3);
  57
  58         return 0;
  59 }
  60
  61 int misc_init_r(void)
  62 {
  63         char buf[32];
  64
  65         printf("ARM Clock : %s MHz\n",
  66                strmhz(buf, clk_get(DAVINCI_ARM_CLKID)));
  67
  68         return 0;
  69 }