1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright © 2025 Intel Corporation 4 */ 5 6 #include "regs/xe_soc_remapper_regs.h" 7 #include "xe_mmio.h" 8 #include "xe_soc_remapper.h" 9 10 static void xe_soc_remapper_set_region(struct xe_device *xe, struct xe_reg reg, 11 u32 mask, u32 val) 12 { 13 guard(spinlock_irqsave)(&xe->soc_remapper.lock); 14 xe_mmio_rmw32(xe_root_tile_mmio(xe), reg, mask, val); 15 } 16 17 static void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index) 18 { 19 xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_TELEM_MASK, 20 REG_FIELD_PREP(SG_REMAP_TELEM_MASK, index)); 21 } 22 23 /** 24 * xe_soc_remapper_init() - Initialize SoC remapper 25 * @xe: Pointer to xe device. 26 * 27 * Initialize SoC remapper. 28 * 29 * Return: 0 on success, error code on failure 30 */ 31 int xe_soc_remapper_init(struct xe_device *xe) 32 { 33 if (xe->info.has_soc_remapper_telem) { 34 spin_lock_init(&xe->soc_remapper.lock); 35 xe->soc_remapper.set_telem_region = xe_soc_remapper_set_telem_region; 36 } 37 38 return 0; 39 } 40