1 /* 2 * Copyright (c) 2015-2025, Renesas Electronics Corporation. All rights reserved. 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #include <lib/mmio.h> 8 #include <lib/utils_def.h> 9 10 #define RCAR_CPG_BASE 0xE6150000U 11 #define RCAR_CPG_CPGWPR (RCAR_CPG_BASE + 0x0000U) 12 #define RCAR_CPG_CPGWPCR (RCAR_CPG_BASE + 0x0004U) 13 14 #define RCAR_CPG_MSTPCR27 (RCAR_CPG_BASE + 0x2D6CU) 15 #define RCAR_CPG_MSTPSR27 (RCAR_CPG_BASE + 0x2E6CU) 16 17 #define RCAR_PTPRO_BASE 0xE6449000U 18 #define RCAR_PTPSCR0 (RCAR_PTPRO_BASE + 0x780U) 19 #define RCAR_PTPSCR1 (RCAR_PTPRO_BASE + 0x784U) 20 rcar_ptp_setup(void)21void rcar_ptp_setup(void) 22 { 23 #if PTP_NONSECURE_ACCESS 24 mmio_clrbits_32(RCAR_CPG_MSTPCR27, BIT(23)); 25 while ((mmio_read_32(RCAR_CPG_MSTPSR27) & BIT(23)) != 0) 26 ; 27 28 mmio_write_32(RCAR_PTPSCR0, 0x30003); /* PTPSCR0 */ 29 mmio_write_32(RCAR_PTPSCR1, 0x30003); /* PTPSCR1 */ 30 #endif /* PTP_NONSECURE_ACCESS */ 31 } 32