mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-02 01:19:49 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
27 lines
527 B
C
27 lines
527 B
C
/*
|
|
* (C) Copyright 2010
|
|
* Matthias Weisser <weisserm@arcor.de>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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;
|
|
}
|