mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-07-15 23:56:23 +09:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
40 lines
730 B
C
40 lines
730 B
C
/*
|
|
*
|
|
* (C) Copyright 2000-2003
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
|
|
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/processor.h>
|
|
|
|
#include <asm/immap.h>
|
|
#include <asm/io.h>
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
/*
|
|
* get_clocks() fills in gd->cpu_clock and gd->bus_clk
|
|
*/
|
|
int get_clocks(void)
|
|
{
|
|
pll_t *pll = (pll_t *)(MMAP_PLL);
|
|
|
|
out_be32(&pll->syncr, PLL_SYNCR_MFD(1));
|
|
|
|
while (!(in_be32(&pll->synsr) & PLL_SYNSR_LOCK))
|
|
;
|
|
|
|
gd->bus_clk = CONFIG_SYS_CLK;
|
|
gd->cpu_clk = (gd->bus_clk * 2);
|
|
|
|
#ifdef CONFIG_FSL_I2C
|
|
gd->arch.i2c1_clk = gd->bus_clk;
|
|
#endif
|
|
|
|
return (0);
|
|
}
|