diff options
author | Donghwa Lee <dh09.lee@samsung.com> | 2012-04-05 19:36:10 +0000 |
---|---|---|
committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-05-15 08:31:29 +0200 |
commit | 283591f171a6a53a0a77fb74055b4f1b06b576c6 (patch) | |
tree | bc29b7db957c2bf6348aa12d9d12499d849c3bc1 /arch/arm/cpu/armv7/exynos/power.c | |
parent | 8f2fabe98916fe349d0a412192dfaa0c3cba9874 (diff) |
EXYNOS: definitions of system resgister and power management registers.
This is definitions of system registers and power mananagement registers for EXYNOS SoC.
Signed-off-by: Donghwa Lee <dh09.lee@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'arch/arm/cpu/armv7/exynos/power.c')
-rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c new file mode 100644 index 0000000000..c765304fd5 --- /dev/null +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2012 Samsung Electronics + * Donghwa Lee <dh09.lee@samsung.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 <common.h> +#include <asm/io.h> +#include <asm/arch/power.h> + +static void exynos4_mipi_phy_control(unsigned int dev_index, + unsigned int enable) +{ + struct exynos4_power *pmu = + (struct exynos4_power *)samsung_get_base_power(); + unsigned int addr, cfg = 0; + + if (dev_index == 0) + addr = (unsigned int)&pmu->mipi_phy0_control; + else + addr = (unsigned int)&pmu->mipi_phy1_control; + + + cfg = readl(addr); + if (enable) + cfg |= (EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE); + else + cfg &= ~(EXYNOS_MIPI_PHY_MRESETN | EXYNOS_MIPI_PHY_ENABLE); + + writel(cfg, addr); +} + +void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable) +{ + if (cpu_is_exynos4()) + exynos4_mipi_phy_control(dev_index, enable); +} |