mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 02:51:00 +00:00
1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
176 lines
3.7 KiB
C
176 lines
3.7 KiB
C
/*
|
|
* Copyright (C) 2012 Samsung Electronics
|
|
* Donghwa Lee <dh09.lee@samsung.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#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();
|
|
}
|