2010-08-09 11:31:49 +00:00
|
|
|
/*
|
|
|
|
|
* (C) Copyright 2010
|
|
|
|
|
* Matthias Weisser <weisserm@arcor.de>
|
|
|
|
|
*
|
2013-07-08 07:37:19 +00:00
|
|
|
* SPDX-License-Identifier: GPL-2.0+
|
2010-08-09 11:31:49 +00:00
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
#include <common.h>
|
|
|
|
|
#include <asm/io.h>
|
|
|
|
|
#include <asm/arch/hardware.h>
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Get the peripheral bus frequency depending on pll pin settings
|
|
|
|
|
*/
|
|
|
|
|
ulong get_bus_freq(ulong dummy)
|
|
|
|
|
{
|
|
|
|
|
struct mb86r0x_crg * crg = (struct mb86r0x_crg *)
|
|
|
|
|
MB86R0x_CRG_BASE;
|
|
|
|
|
uint32_t pllmode;
|
|
|
|
|
|
|
|
|
|
pllmode = readl(&crg->crpr) & MB86R0x_CRG_CRPR_PLLMODE;
|
|
|
|
|
|
|
|
|
|
if (pllmode == MB86R0x_CRG_CRPR_PLLMODE_X20)
|
|
|
|
|
return 40000000;
|
|
|
|
|
|
|
|
|
|
return 41164767;
|
|
|
|
|
}
|
