1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright © 2025 Intel Corporation 4 */ 5 6 #include "regs/xe_soc_remapper_regs.h" 7 #include "xe_device.h" 8 #include "xe_mmio.h" 9 #include "xe_soc_remapper.h" 10 11 static void xe_soc_remapper_set_region(struct xe_device *xe, struct xe_reg reg, 12 u32 mask, u32 val) 13 { 14 guard(spinlock_irqsave)(&xe->soc_remapper.lock); 15 xe_mmio_rmw32(xe_root_tile_mmio(xe), reg, mask, val); 16 } 17 18 static void xe_soc_remapper_set_telem_region(struct xe_device *xe, u32 index) 19 { 20 xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_TELEM_MASK, 21 REG_FIELD_PREP(SG_REMAP_TELEM_MASK, index)); 22 } 23 24 static void xe_soc_remapper_set_sysctrl_region(struct xe_device *xe, u32 index) 25 { 26 xe_soc_remapper_set_region(xe, SG_REMAP_INDEX1, SG_REMAP_SYSCTRL_MASK, 27 REG_FIELD_PREP(SG_REMAP_SYSCTRL_MASK, index)); 28 } 29 30 /** 31 * xe_soc_remapper_init() - Initialize SoC remapper 32 * @xe: Pointer to xe device. 33 * 34 * Initialize SoC remapper. 35 * 36 * Return: 0 on success, error code on failure 37 */ 38 int xe_soc_remapper_init(struct xe_device *xe) 39 { 40 bool has_soc_remapper = xe->info.has_soc_remapper_telem || 41 xe->info.has_soc_remapper_sysctrl; 42 43 if (has_soc_remapper) 44 spin_lock_init(&xe->soc_remapper.lock); 45 46 if (xe->info.has_soc_remapper_telem) 47 xe->soc_remapper.set_telem_region = xe_soc_remapper_set_telem_region; 48 49 if (xe->info.has_soc_remapper_sysctrl) 50 xe->soc_remapper.set_sysctrl_region = xe_soc_remapper_set_sysctrl_region; 51 52 return 0; 53 } 54