mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-17 02:08:38 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2017 Intel Corporation.
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* Take from coreboot project file of the same name
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*/
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#ifndef _ASM_ARCH_SYSTEMAGENT_H
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#define _ASM_ARCH_SYSTEMAGENT_H
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/* Device 0:0.0 PCI configuration space */
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#include <linux/bitops.h>
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struct udevice;
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#define MCHBAR 0x48
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/* RAPL Package Power Limit register under MCHBAR */
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#define PUNIT_THERMAL_DEVICE_IRQ 0x700C
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#define PUINT_THERMAL_DEVICE_IRQ_VEC_NUMBER 0x18
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#define PUINT_THERMAL_DEVICE_IRQ_LOCK 0x80000000
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#define BIOS_RESET_CPL 0x7078
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#define PCODE_INIT_DONE BIT(8)
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#define MCHBAR_RAPL_PPL 0x70A8
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#define CORE_DISABLE_MASK 0x7168
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#define CAPID0_A 0xE4
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#define VTD_DISABLE BIT(23)
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#define DEFVTBAR 0x6c80
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#define GFXVTBAR 0x6c88
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#define VTBAR_ENABLED 0x01
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#define VTBAR_MASK GENMASK_ULL(39, 12)
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#define VTBAR_SIZE 0x1000
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/**
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* enable_bios_reset_cpl() - Tell the system agent that memory/power are ready
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*
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* This should be called when U-Boot has set up the memory and power
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* management.
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*/
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void enable_bios_reset_cpl(void);
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/**
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* sa_get_tolud_base() - Get the TOLUD base address
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*
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* This returns the Top Of Low Useable DRAM, marking the top of usable DRAM
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* below 4GB
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*
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* @dev: hostbridge device
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* Return: TOLUD address
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*/
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ulong sa_get_tolud_base(struct udevice *dev);
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/**
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* sa_get_gsm_base() - Get the GSM base address
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*
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* This returns the base of GTT Stolen Memory, marking the start of memory used
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* for Graphics Translation Tables.
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*
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* @dev: hostbridge device
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* Return: GSM address
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*/
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ulong sa_get_gsm_base(struct udevice *dev);
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/**
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* sa_get_tseg_base() - Get the TSEG base address
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*
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* This returns the top address of DRAM available below 4GB
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*
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* Return: TSEG base
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*/
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ulong sa_get_tseg_base(struct udevice *dev);
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#endif
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