mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
43486e4cd0
Add support for the Broadcom BCM23550 board. Signed-off-by: Steve Rae <srae@broadcom.com>
52 lines
968 B
C
52 lines
968 B
C
/*
|
|
* Copyright 2013 Broadcom Corporation.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <asm/io.h>
|
|
#include <asm/errno.h>
|
|
#include <asm/arch/sysmap.h>
|
|
#include <asm/kona-common/clk.h>
|
|
#include "clk-core.h"
|
|
|
|
/* Enable appropriate clocks for a BSC/I2C port */
|
|
int clk_bsc_enable(void *base)
|
|
{
|
|
int ret;
|
|
char *bscstr, *apbstr;
|
|
|
|
switch ((u32) base) {
|
|
case PMU_BSC_BASE_ADDR:
|
|
/* PMU clock is always enabled */
|
|
return 0;
|
|
case BSC1_BASE_ADDR:
|
|
bscstr = "bsc1_clk";
|
|
apbstr = "bsc1_apb_clk";
|
|
break;
|
|
case BSC2_BASE_ADDR:
|
|
bscstr = "bsc2_clk";
|
|
apbstr = "bsc2_apb_clk";
|
|
break;
|
|
case BSC3_BASE_ADDR:
|
|
bscstr = "bsc3_clk";
|
|
apbstr = "bsc3_apb_clk";
|
|
break;
|
|
default:
|
|
printf("%s: base 0x%p not found\n", __func__, base);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* Note that the bus clock must be enabled first */
|
|
|
|
ret = clk_get_and_enable(apbstr);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = clk_get_and_enable(bscstr);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|