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/*
* 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);
}
void exynos5_set_usbhost_phy_ctrl(unsigned int enable)
{
struct exynos5_power *power =
(struct exynos5_power *)samsung_get_base_power();
if (enable) {
/* Enabling USBHOST_PHY */
setbits_le32(&power->usbhost_phy_control,
POWER_USB_HOST_PHY_CTRL_EN);
} else {
/* Disabling USBHOST_PHY */
clrbits_le32(&power->usbhost_phy_control,
POWER_USB_HOST_PHY_CTRL_EN);
}
}
void set_usbhost_phy_ctrl(unsigned int enable)
{
if (cpu_is_exynos5())
exynos5_set_usbhost_phy_ctrl(enable);
}
static void exynos5_dp_phy_control(unsigned int enable)
{
unsigned int cfg;
struct exynos5_power *power =
(struct exynos5_power *)samsung_get_base_power();
cfg = readl(&power->dptx_phy_control);
if (enable)
cfg |= EXYNOS_DP_PHY_ENABLE;
else
cfg &= ~EXYNOS_DP_PHY_ENABLE;
writel(cfg, &power->dptx_phy_control);
}
void set_dp_phy_ctrl(unsigned int enable)
{
if (cpu_is_exynos5())
exynos5_dp_phy_control(enable);
}
static void exynos5_set_ps_hold_ctrl(void)
{
struct exynos5_power *power =
(struct exynos5_power *)samsung_get_base_power();
/* Set PS-Hold high */
setbits_le32(&power->ps_hold_control,
EXYNOS_PS_HOLD_CONTROL_DATA_HIGH);
}
void set_ps_hold_ctrl(void)
{
if (cpu_is_exynos5())
exynos5_set_ps_hold_ctrl();
}
static void exynos5_set_xclkout(void)
{
struct exynos5_power *power =
(struct exynos5_power *)samsung_get_base_power();
/* use xxti for xclk out */
clrsetbits_le32(&power->pmu_debug, PMU_DEBUG_CLKOUT_SEL_MASK,
PMU_DEBUG_XXTI);
}
void set_xclkout(void)
{
if (cpu_is_exynos5())
exynos5_set_xclkout();
}
/* Enables hardware tripping to power off the system when TMU fails */
void set_hw_thermal_trip(void)
{
if (cpu_is_exynos5()) {
struct exynos5_power *power =
(struct exynos5_power *)samsung_get_base_power();
/* PS_HOLD_CONTROL register ENABLE_HW_TRIP bit*/
setbits_le32(&power->ps_hold_control, POWER_ENABLE_HW_TRIP);
}
}
static uint32_t exynos5_get_reset_status(void)
{
struct exynos5_power *power =
(struct exynos5_power *)samsung_get_base_power();
return power->inform1;
}
static uint32_t exynos4_get_reset_status(void)
{
struct exynos4_power *power =
(struct exynos4_power *)samsung_get_base_power();
return power->inform1;
}
uint32_t get_reset_status(void)
{
if (cpu_is_exynos5())
return exynos5_get_reset_status();
else
return exynos4_get_reset_status();
}
static void exynos5_power_exit_wakeup(void)
{
struct exynos5_power *power =
(struct exynos5_power *)samsung_get_base_power();
typedef void (*resume_func)(void);
((resume_func)power->inform0)();
}
static void exynos4_power_exit_wakeup(void)
{
struct exynos4_power *power =
(struct exynos4_power *)samsung_get_base_power();
typedef void (*resume_func)(void);
((resume_func)power->inform0)();
}
void power_exit_wakeup(void)
{
if (cpu_is_exynos5())
exynos5_power_exit_wakeup();
else
exynos4_power_exit_wakeup();
}
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