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author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-03-26 09:51:09 +0100 |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2013-03-26 09:51:09 +0100 |
commit | 412665b46134f93464c09405e02f08ac9c62526d (patch) | |
tree | 7d45bfd311e81d2d750c0c67edef17ceba17df3f /arch/arm | |
parent | b6379e15a70cc2e22486e5962927d9de374d877b (diff) | |
parent | ce0c1bc13556fbf1bdfa2a4a27ca6744e7beb32a (diff) | |
download | u-boot-imx-412665b46134f93464c09405e02f08ac9c62526d.zip u-boot-imx-412665b46134f93464c09405e02f08ac9c62526d.tar.gz u-boot-imx-412665b46134f93464c09405e02f08ac9c62526d.tar.bz2 |
Merge branch 'u-boot-samsung/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/cpu/armv7/exynos/power.c | 45 | ||||
-rw-r--r-- | arch/arm/dts/exynos5250.dtsi | 5 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-exynos/power.h | 24 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-exynos/spl.h | 3 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-exynos/tmu.h | 58 |
5 files changed, 134 insertions, 1 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c index d4bce6d..6375a81 100644 --- a/arch/arm/cpu/armv7/exynos/power.c +++ b/arch/arm/cpu/armv7/exynos/power.c @@ -95,3 +95,48 @@ 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); + } +} diff --git a/arch/arm/dts/exynos5250.dtsi b/arch/arm/dts/exynos5250.dtsi index ed8c8dd..61d35a8 100644 --- a/arch/arm/dts/exynos5250.dtsi +++ b/arch/arm/dts/exynos5250.dtsi @@ -151,4 +151,9 @@ }; }; + tmu@10060000 { + compatible = "samsung,exynos-tmu"; + reg = <0x10060000 0x10000>; + }; + }; diff --git a/arch/arm/include/asm/arch-exynos/power.h b/arch/arm/include/asm/arch-exynos/power.h index d2fdb59..3549667 100644 --- a/arch/arm/include/asm/arch-exynos/power.h +++ b/arch/arm/include/asm/arch-exynos/power.h @@ -857,6 +857,9 @@ void set_mipi_phy_ctrl(unsigned int dev_index, unsigned int enable); void set_usbhost_phy_ctrl(unsigned int enable); +/* Enables hardware tripping to power off the system when TMU fails */ +void set_hw_thermal_trip(void); + #define POWER_USB_HOST_PHY_CTRL_EN (1 << 0) #define POWER_USB_HOST_PHY_CTRL_DISABLE (0 << 0) @@ -864,4 +867,25 @@ void set_dp_phy_ctrl(unsigned int enable); #define EXYNOS_DP_PHY_ENABLE (1 << 0) +#define EXYNOS_PS_HOLD_CONTROL_DATA_HIGH (1 << 8) +#define POWER_ENABLE_HW_TRIP (1UL << 31) + +/* + * Set ps_hold data driving value high + * This enables the machine to stay powered on + * after the initial power-on condition goes away + * (e.g. power button). + */ +void set_ps_hold_ctrl(void); + +/* PMU_DEBUG bits [12:8] = 0x1000 selects XXTI clock source */ +#define PMU_DEBUG_XXTI 0x1000 +/* Mask bit[12:8] for xxti clock selection */ +#define PMU_DEBUG_CLKOUT_SEL_MASK 0x1f00 + +/* + * Pmu debug is used for xclkout, enable xclkout with + * source as XXTI + */ +void set_xclkout(void); #endif diff --git a/arch/arm/include/asm/arch-exynos/spl.h b/arch/arm/include/asm/arch-exynos/spl.h index 306b41d..46b25a6 100644 --- a/arch/arm/include/asm/arch-exynos/spl.h +++ b/arch/arm/include/asm/arch-exynos/spl.h @@ -78,11 +78,12 @@ struct spl_machine_param { */ u32 uboot_size; enum boot_mode boot_source; /* Boot device */ - enum mem_manuf mem_manuf; /* Memory Manufacturer */ unsigned frequency_mhz; /* Frequency of memory in MHz */ unsigned arm_freq_mhz; /* ARM Frequency in MHz */ u32 serial_base; /* Serial base address */ u32 i2c_base; /* i2c base address */ + u32 board_rev_gpios; /* Board revision GPIOs */ + enum mem_manuf mem_manuf; /* Memory Manufacturer */ } __attribute__((__packed__)); #endif diff --git a/arch/arm/include/asm/arch-exynos/tmu.h b/arch/arm/include/asm/arch-exynos/tmu.h new file mode 100644 index 0000000..7e0158e --- /dev/null +++ b/arch/arm/include/asm/arch-exynos/tmu.h @@ -0,0 +1,58 @@ +/* + * Copyright (c) 2012 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Akshay Saraswat <akshay.s@samsung.com> + * + * EXYNOS - Thermal Management Unit + * + * 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 version 2 as + * published by the Free Software Foundation. + * 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 + */ + +#ifndef __ASM_ARCH_TMU_H +#define __ASM_ARCH_TMU_H + +struct exynos5_tmu_reg { + unsigned triminfo; + unsigned rsvd1; + unsigned rsvd2; + unsigned rsvd3; + unsigned rsvd4; + unsigned triminfo_control; + unsigned rsvd5; + unsigned rsvd6; + unsigned tmu_control; + unsigned rsvd7; + unsigned tmu_status; + unsigned sampling_internal; + unsigned counter_value0; + unsigned counter_value1; + unsigned rsvd8; + unsigned rsvd9; + unsigned current_temp; + unsigned rsvd10; + unsigned rsvd11; + unsigned rsvd12; + unsigned threshold_temp_rise; + unsigned threshold_temp_fall; + unsigned rsvd13; + unsigned rsvd14; + unsigned past_temp3_0; + unsigned past_temp7_4; + unsigned past_temp11_8; + unsigned past_temp15_12; + unsigned inten; + unsigned intstat; + unsigned intclear; + unsigned rsvd15; + unsigned emul_con; +}; +#endif /* __ASM_ARCH_TMU_H */ |