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c3a613a039
Define system controller config bits and helpers for SoC remapper. Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com> Reviewed-by: Badal Nilawar <badal.nilawar@intel.com> Link: https://patch.msgid.link/20251223183943.3175941-8-umesh.nerlige.ramappa@intel.com
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
// SPDX-License-Identifier: MIT
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/*
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* Copyright © 2025 Intel Corporation
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*/
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#include "regs/xe_soc_remapper_regs.h"
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#include "xe_mmio.h"
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#include "xe_soc_remapper.h"
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static void xe_soc_remapper_set_region(struct xe_device *xe, struct xe_reg reg,
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u32 mask, u32 val)
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{
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guard(spinlock_irqsave)(&xe->soc_remapper.lock);
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xe_mmio_rmw32(xe_root_tile_mmio(xe), reg, mask, val);
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}
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static void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index)
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{
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xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_TELEM_MASK,
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REG_FIELD_PREP(SG_REMAP_TELEM_MASK, index));
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}
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static void xe_soc_remapper_set_sysctrl_region(struct xe_device *xe, u32 index)
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{
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xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_SYSCTRL_MASK,
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REG_FIELD_PREP(SG_REMAP_SYSCTRL_MASK, index));
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}
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/**
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* xe_soc_remapper_init() - Initialize SoC remapper
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* @xe: Pointer to xe device.
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*
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* Initialize SoC remapper.
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*
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* Return: 0 on success, error code on failure
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*/
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int xe_soc_remapper_init(struct xe_device *xe)
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{
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bool has_soc_remapper = xe->info.has_soc_remapper_telem ||
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xe->info.has_soc_remapper_sysctrl;
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if (has_soc_remapper)
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spin_lock_init(&xe->soc_remapper.lock);
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if (xe->info.has_soc_remapper_telem)
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xe->soc_remapper.set_telem_region = xe_soc_remapper_set_telem_region;
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if (xe->info.has_soc_remapper_sysctrl)
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xe->soc_remapper.set_sysctrl_region = xe_soc_remapper_set_sysctrl_region;
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return 0;
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}
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