diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap2/clock2xxx.c')
-rw-r--r-- | kernel/arch/arm/mach-omap2/clock2xxx.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap2/clock2xxx.c b/kernel/arch/arm/mach-omap2/clock2xxx.c new file mode 100644 index 000000000..b870f6a9e --- /dev/null +++ b/kernel/arch/arm/mach-omap2/clock2xxx.c @@ -0,0 +1,57 @@ +/* + * clock2xxx.c - OMAP2xxx-specific clock integration code + * + * Copyright (C) 2005-2008 Texas Instruments, Inc. + * Copyright (C) 2004-2010 Nokia Corporation + * + * Contacts: + * Richard Woodruff <r-woodruff2@ti.com> + * Paul Walmsley + * + * Based on earlier work by Tuukka Tikkanen, Tony Lindgren, + * Gordon McNutt and RidgeRun, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#undef DEBUG + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/clk.h> +#include <linux/io.h> + +#include "soc.h" +#include "clock.h" +#include "clock2xxx.h" +#include "cm.h" +#include "cm-regbits-24xx.h" + +struct clk_hw *dclk_hw; +/* + * Omap24xx specific clock functions + */ + +/* + * Switch the MPU rate if specified on cmdline. We cannot do this + * early until cmdline is parsed. XXX This should be removed from the + * clock code and handled by the OPP layer code in the near future. + */ +static int __init omap2xxx_clk_arch_init(void) +{ + int ret; + + if (!cpu_is_omap24xx()) + return 0; + + ret = omap2_clk_switch_mpurate_at_boot("virt_prcm_set"); + if (!ret) + omap2_clk_print_new_rates("sys_ck", "dpll_ck", "mpu_ck"); + + return ret; +} + +omap_arch_initcall(omap2xxx_clk_arch_init); + + |