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/*
* board.c
*
* Common board functions for AM33XX based boards
*
* Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the
* GNU General Public License for more details.
*/
#include <common.h>
#include <asm/arch/cpu.h>
#include <asm/arch/hardware.h>
#include <asm/arch/ddr_defs.h>
#include <asm/arch/clock.h>
#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE;
/*
* early system init of muxing and clocks.
*/
void s_init(u32 in_ddr)
{
/* WDT1 is already running when the bootloader gets control
* Disable it to avoid "random" resets
*/
writel(0xAAAA, &wdtimer->wdtwspr);
while (readl(&wdtimer->wdtwwps) != 0x0)
;
writel(0x5555, &wdtimer->wdtwspr);
while (readl(&wdtimer->wdtwwps) != 0x0)
;
/* Setup the PLLs and the clocks for the peripherals */
#ifdef CONFIG_SETUP_PLL
pll_init();
#endif
if (!in_ddr)
config_ddr();
}
/* Initialize timer */
void init_timer(void)
{
/* Reset the Timer */
writel(0x2, (&timer_base->tscir));
/* Wait until the reset is done */
while (readl(&timer_base->tiocp_cfg) & 1)
;
/* Start the Timer */
writel(0x1, (&timer_base->tclr));
}
#if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
return omap_mmc_init(0);
}
#endif
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