From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-s3c24xx/clock.c | 59 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 arch/arm/plat-s3c24xx/clock.c (limited to 'arch/arm/plat-s3c24xx/clock.c') diff --git a/arch/arm/plat-s3c24xx/clock.c b/arch/arm/plat-s3c24xx/clock.c new file mode 100644 index 00000000..931d26d1 --- /dev/null +++ b/arch/arm/plat-s3c24xx/clock.c @@ -0,0 +1,59 @@ +/* linux/arch/arm/plat-s3c24xx/clock.c + * + * Copyright (c) 2004-2005 Simtec Electronics + * Ben Dooks + * + * S3C24XX Core clock control support + * + * Based on, and code from linux/arch/arm/mach-versatile/clock.c + ** + ** Copyright (C) 2004 ARM Limited. + ** Written by Deep Blue Solutions Limited. + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include +#include +#include +#include + +#include +#include + +#include +#include + +#include + +#include +#include +#include + +/* initialise all the clocks */ + +void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk, + unsigned long hclk, + unsigned long pclk) +{ + clk_upll.rate = s3c24xx_get_pll(__raw_readl(S3C2410_UPLLCON), + clk_xtal.rate); + + clk_mpll.rate = fclk; + clk_h.rate = hclk; + clk_p.rate = pclk; + clk_f.rate = fclk; +} -- cgit v1.2.3