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 static void xe_soc_remapper_set_sysctrl_region(struct xe_device *xe, u32 index) 24 { 25 xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_SYSCTRL_MASK, 26 REG_FIELD_PREP(SG_REMAP_SYSCTRL_MASK, index)); 27 } 28 29 /** 30 * xe_soc_remapper_init() - Initialize SoC remapper 31 * @xe: Pointer to xe device. 32 * 33 * Initialize SoC remapper. 34 * 35 * Return: 0 on success, error code on failure 36 */ 37 int xe_soc_remapper_init(struct xe_device *xe) 38 { 39 bool has_soc_remapper = xe->info.has_soc_remapper_telem || 40 xe->info.has_soc_remapper_sysctrl; 41 42 if (has_soc_remapper) 43 spin_lock_init(&xe->soc_remapper.lock); 44 45 if (xe->info.has_soc_remapper_telem) 46 xe->soc_remapper.set_telem_region = xe_soc_remapper_set_telem_region; 47 48 if (xe->info.has_soc_remapper_sysctrl) 49 xe->soc_remapper.set_sysctrl_region = xe_soc_remapper_set_sysctrl_region; 50 51 return 0; 52 } 53