From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/arch/arm/mach-omap2/clkt_iclk.c | 68 ++++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 kernel/arch/arm/mach-omap2/clkt_iclk.c (limited to 'kernel/arch/arm/mach-omap2/clkt_iclk.c') diff --git a/kernel/arch/arm/mach-omap2/clkt_iclk.c b/kernel/arch/arm/mach-omap2/clkt_iclk.c new file mode 100644 index 000000000..55eb579ae --- /dev/null +++ b/kernel/arch/arm/mach-omap2/clkt_iclk.c @@ -0,0 +1,68 @@ +/* + * OMAP2/3 interface clock control + * + * Copyright (C) 2011 Nokia Corporation + * Paul Walmsley + * + * 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 +#include +#include + +#include "clock.h" + +/* Register offsets */ +#define CM_AUTOIDLE 0x30 +#define CM_ICLKEN 0x10 + +/* Private functions */ + +/* XXX */ +void omap2_clkt_iclk_allow_idle(struct clk_hw_omap *clk) +{ + u32 v; + void __iomem *r; + + r = (__force void __iomem *) + ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN)); + + v = omap2_clk_readl(clk, r); + v |= (1 << clk->enable_bit); + omap2_clk_writel(v, clk, r); +} + +/* XXX */ +void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk) +{ + u32 v; + void __iomem *r; + + r = (__force void __iomem *) + ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN)); + + v = omap2_clk_readl(clk, r); + v &= ~(1 << clk->enable_bit); + omap2_clk_writel(v, clk, r); +} + +/* Public data */ + +const struct clk_hw_omap_ops clkhwops_iclk = { + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + +const struct clk_hw_omap_ops clkhwops_iclk_wait = { + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, + .find_idlest = omap2_clk_dflt_find_idlest, + .find_companion = omap2_clk_dflt_find_companion, +}; + + + -- cgit 1.2.3-korg