diff options
author | Steve Rae <srae@broadcom.com> | 2016-06-02 15:10:56 -0700 |
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committer | Tom Rini <trini@konsulko.com> | 2016-06-13 08:56:02 -0400 |
commit | 43486e4cd094eabdd514ed7a2376ca55655e506f (patch) | |
tree | 1cd8a75a92492366e98fe83343c946036a2d1245 /arch/arm/cpu/armv7/bcm235xx/clk-bsc.c | |
parent | 1e031249a53e38d9b8290fa99106477c231bf2dd (diff) | |
download | blackbird-obmc-uboot-43486e4cd094eabdd514ed7a2376ca55655e506f.tar.gz blackbird-obmc-uboot-43486e4cd094eabdd514ed7a2376ca55655e506f.zip |
board: arm:: Add support for Broadcom BCM23550
Add support for the Broadcom BCM23550 board.
Signed-off-by: Steve Rae <srae@broadcom.com>
Diffstat (limited to 'arch/arm/cpu/armv7/bcm235xx/clk-bsc.c')
-rw-r--r-- | arch/arm/cpu/armv7/bcm235xx/clk-bsc.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/bcm235xx/clk-bsc.c b/arch/arm/cpu/armv7/bcm235xx/clk-bsc.c new file mode 100644 index 0000000000..d263068b48 --- /dev/null +++ b/arch/arm/cpu/armv7/bcm235xx/clk-bsc.c @@ -0,0 +1,52 @@ +/* + * 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; +} |