diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-tegra/pmc.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-tegra/pmc.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-tegra/pmc.c b/ANDROID_3.4.5/arch/arm/mach-tegra/pmc.c deleted file mode 100644 index 7af6a544..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-tegra/pmc.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (C) 2012 NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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, see <http://www.gnu.org/licenses/>. - * - */ - -#include <linux/kernel.h> -#include <linux/io.h> -#include <linux/of.h> - -#include <mach/iomap.h> - -#define PMC_CTRL 0x0 -#define PMC_CTRL_INTR_LOW (1 << 17) - -static inline u32 tegra_pmc_readl(u32 reg) -{ - return readl(IO_ADDRESS(TEGRA_PMC_BASE + reg)); -} - -static inline void tegra_pmc_writel(u32 val, u32 reg) -{ - writel(val, IO_ADDRESS(TEGRA_PMC_BASE + reg)); -} - -#ifdef CONFIG_OF -static const struct of_device_id matches[] __initconst = { - { .compatible = "nvidia,tegra20-pmc" }, - { } -}; -#endif - -void __init tegra_pmc_init(void) -{ - /* - * For now, Harmony is the only board that uses the PMC, and it wants - * the signal inverted. Seaboard would too if it used the PMC. - * Hopefully by the time other boards want to use the PMC, everything - * will be device-tree, or they also want it inverted. - */ - bool invert_interrupt = true; - u32 val; - -#ifdef CONFIG_OF - if (of_have_populated_dt()) { - struct device_node *np; - - invert_interrupt = false; - - np = of_find_matching_node(NULL, matches); - if (np) { - if (of_find_property(np, "nvidia,invert-interrupt", - NULL)) - invert_interrupt = true; - } - } -#endif - - val = tegra_pmc_readl(PMC_CTRL); - if (invert_interrupt) - val |= PMC_CTRL_INTR_LOW; - else - val &= ~PMC_CTRL_INTR_LOW; - tegra_pmc_writel(val, PMC_CTRL); -} |