1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (c) 2020-2021, Renesas Electronics Corporation. All rights reserved. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu */ 6*91f16700Schasinglulu 7*91f16700Schasinglulu #include <stdint.h> 8*91f16700Schasinglulu 9*91f16700Schasinglulu #include <lib/mmio.h> 10*91f16700Schasinglulu #include <lib/utils_def.h> 11*91f16700Schasinglulu 12*91f16700Schasinglulu #include "board.h" 13*91f16700Schasinglulu #include "rcar_def.h" 14*91f16700Schasinglulu 15*91f16700Schasinglulu #ifndef BOARD_DEFAULT 16*91f16700Schasinglulu #if (RCAR_LSI == RZ_G2H) 17*91f16700Schasinglulu #define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2H << BOARD_CODE_SHIFT) 18*91f16700Schasinglulu #elif (RCAR_LSI == RZ_G2N) 19*91f16700Schasinglulu #define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2N << BOARD_CODE_SHIFT) 20*91f16700Schasinglulu #elif (RCAR_LSI == RZ_G2E) 21*91f16700Schasinglulu #define BOARD_DEFAULT (BOARD_EK874_RZ_G2E << BOARD_CODE_SHIFT) 22*91f16700Schasinglulu #else 23*91f16700Schasinglulu #define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2M << BOARD_CODE_SHIFT) 24*91f16700Schasinglulu #endif /* RCAR_LSI == RZ_G2H */ 25*91f16700Schasinglulu #endif /* BOARD_DEFAULT */ 26*91f16700Schasinglulu 27*91f16700Schasinglulu #define BOARD_CODE_MASK (0xF8U) 28*91f16700Schasinglulu #define BOARD_REV_MASK (0x07U) 29*91f16700Schasinglulu #define BOARD_CODE_SHIFT (0x03) 30*91f16700Schasinglulu #define BOARD_ID_UNKNOWN (0xFFU) 31*91f16700Schasinglulu 32*91f16700Schasinglulu #define GPIO_INDT5 0xE605500C 33*91f16700Schasinglulu #define GP5_19_BIT (0x01U << 19) 34*91f16700Schasinglulu #define GP5_21_BIT (0x01U << 21) 35*91f16700Schasinglulu #define GP5_25_BIT (0x01U << 25) 36*91f16700Schasinglulu 37*91f16700Schasinglulu #define HM_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU } 38*91f16700Schasinglulu #define HH_ID HM_ID 39*91f16700Schasinglulu #define HN_ID { 0x20U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU } 40*91f16700Schasinglulu #define EK_ID HM_ID 41*91f16700Schasinglulu 42*91f16700Schasinglulu const char *g_board_tbl[] = { 43*91f16700Schasinglulu [BOARD_HIHOPE_RZ_G2M] = "HiHope RZ/G2M", 44*91f16700Schasinglulu [BOARD_HIHOPE_RZ_G2H] = "HiHope RZ/G2H", 45*91f16700Schasinglulu [BOARD_HIHOPE_RZ_G2N] = "HiHope RZ/G2N", 46*91f16700Schasinglulu [BOARD_EK874_RZ_G2E] = "EK874 RZ/G2E", 47*91f16700Schasinglulu [BOARD_UNKNOWN] = "unknown" 48*91f16700Schasinglulu }; 49*91f16700Schasinglulu 50*91f16700Schasinglulu void rzg_get_board_type(uint32_t *type, uint32_t *rev) 51*91f16700Schasinglulu { 52*91f16700Schasinglulu static uint8_t board_id = BOARD_ID_UNKNOWN; 53*91f16700Schasinglulu const uint8_t board_tbl[][8] = { 54*91f16700Schasinglulu [BOARD_HIHOPE_RZ_G2M] = HM_ID, 55*91f16700Schasinglulu [BOARD_HIHOPE_RZ_G2H] = HH_ID, 56*91f16700Schasinglulu [BOARD_HIHOPE_RZ_G2N] = HN_ID, 57*91f16700Schasinglulu [BOARD_EK874_RZ_G2E] = EK_ID, 58*91f16700Schasinglulu }; 59*91f16700Schasinglulu uint32_t reg; 60*91f16700Schasinglulu #if (RCAR_LSI != RZ_G2E) 61*91f16700Schasinglulu uint32_t boardInfo; 62*91f16700Schasinglulu #endif /* RCAR_LSI == RZ_G2E */ 63*91f16700Schasinglulu 64*91f16700Schasinglulu if (board_id == BOARD_ID_UNKNOWN) { 65*91f16700Schasinglulu board_id = BOARD_DEFAULT; 66*91f16700Schasinglulu } 67*91f16700Schasinglulu 68*91f16700Schasinglulu *type = ((uint32_t) board_id & BOARD_CODE_MASK) >> BOARD_CODE_SHIFT; 69*91f16700Schasinglulu 70*91f16700Schasinglulu if (*type >= ARRAY_SIZE(board_tbl)) { 71*91f16700Schasinglulu /* no revision information, set Rev0.0. */ 72*91f16700Schasinglulu *rev = 0; 73*91f16700Schasinglulu return; 74*91f16700Schasinglulu } 75*91f16700Schasinglulu 76*91f16700Schasinglulu reg = mmio_read_32(RCAR_PRR); 77*91f16700Schasinglulu #if (RCAR_LSI == RZ_G2E) 78*91f16700Schasinglulu if (reg & RCAR_MINOR_MASK) { 79*91f16700Schasinglulu *rev = 0x30U; 80*91f16700Schasinglulu } else { 81*91f16700Schasinglulu *rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)]; 82*91f16700Schasinglulu } 83*91f16700Schasinglulu #else 84*91f16700Schasinglulu if ((reg & PRR_CUT_MASK) == RCAR_M3_CUT_VER11) { 85*91f16700Schasinglulu *rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)]; 86*91f16700Schasinglulu } else { 87*91f16700Schasinglulu reg = mmio_read_32(GPIO_INDT5); 88*91f16700Schasinglulu if (reg & GP5_25_BIT) { 89*91f16700Schasinglulu *rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)]; 90*91f16700Schasinglulu } else { 91*91f16700Schasinglulu boardInfo = reg & (GP5_19_BIT | GP5_21_BIT); 92*91f16700Schasinglulu *rev = (((boardInfo & GP5_19_BIT) >> 14) | 93*91f16700Schasinglulu ((boardInfo & GP5_21_BIT) >> 17)) + 0x30U; 94*91f16700Schasinglulu } 95*91f16700Schasinglulu } 96*91f16700Schasinglulu #endif /* RCAR_LSI == RZ_G2E */ 97*91f16700Schasinglulu } 98