98 lines
2.5 KiB
C
98 lines
2.5 KiB
C
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/*
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* Copyright (c) 2020-2021, Renesas Electronics Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include <stdint.h>
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#include <lib/mmio.h>
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#include <lib/utils_def.h>
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#include "board.h"
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#include "rcar_def.h"
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#ifndef BOARD_DEFAULT
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#if (RCAR_LSI == RZ_G2H)
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#define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2H << BOARD_CODE_SHIFT)
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#elif (RCAR_LSI == RZ_G2N)
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#define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2N << BOARD_CODE_SHIFT)
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#elif (RCAR_LSI == RZ_G2E)
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#define BOARD_DEFAULT (BOARD_EK874_RZ_G2E << BOARD_CODE_SHIFT)
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#else
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#define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2M << BOARD_CODE_SHIFT)
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#endif /* RCAR_LSI == RZ_G2H */
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#endif /* BOARD_DEFAULT */
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#define BOARD_CODE_MASK (0xF8U)
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#define BOARD_REV_MASK (0x07U)
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#define BOARD_CODE_SHIFT (0x03)
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#define BOARD_ID_UNKNOWN (0xFFU)
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#define GPIO_INDT5 0xE605500C
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#define GP5_19_BIT (0x01U << 19)
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#define GP5_21_BIT (0x01U << 21)
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#define GP5_25_BIT (0x01U << 25)
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#define HM_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
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#define HH_ID HM_ID
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#define HN_ID { 0x20U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
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#define EK_ID HM_ID
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const char *g_board_tbl[] = {
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[BOARD_HIHOPE_RZ_G2M] = "HiHope RZ/G2M",
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[BOARD_HIHOPE_RZ_G2H] = "HiHope RZ/G2H",
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[BOARD_HIHOPE_RZ_G2N] = "HiHope RZ/G2N",
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[BOARD_EK874_RZ_G2E] = "EK874 RZ/G2E",
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[BOARD_UNKNOWN] = "unknown"
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};
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void rzg_get_board_type(uint32_t *type, uint32_t *rev)
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{
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static uint8_t board_id = BOARD_ID_UNKNOWN;
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const uint8_t board_tbl[][8] = {
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[BOARD_HIHOPE_RZ_G2M] = HM_ID,
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[BOARD_HIHOPE_RZ_G2H] = HH_ID,
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[BOARD_HIHOPE_RZ_G2N] = HN_ID,
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[BOARD_EK874_RZ_G2E] = EK_ID,
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};
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uint32_t reg;
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#if (RCAR_LSI != RZ_G2E)
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uint32_t boardInfo;
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#endif /* RCAR_LSI == RZ_G2E */
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if (board_id == BOARD_ID_UNKNOWN) {
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board_id = BOARD_DEFAULT;
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}
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*type = ((uint32_t) board_id & BOARD_CODE_MASK) >> BOARD_CODE_SHIFT;
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if (*type >= ARRAY_SIZE(board_tbl)) {
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/* no revision information, set Rev0.0. */
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*rev = 0;
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return;
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}
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reg = mmio_read_32(RCAR_PRR);
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#if (RCAR_LSI == RZ_G2E)
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if (reg & RCAR_MINOR_MASK) {
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*rev = 0x30U;
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} else {
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*rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
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}
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#else
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if ((reg & PRR_CUT_MASK) == RCAR_M3_CUT_VER11) {
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*rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
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} else {
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reg = mmio_read_32(GPIO_INDT5);
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if (reg & GP5_25_BIT) {
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*rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
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} else {
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boardInfo = reg & (GP5_19_BIT | GP5_21_BIT);
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*rev = (((boardInfo & GP5_19_BIT) >> 14) |
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((boardInfo & GP5_21_BIT) >> 17)) + 0x30U;
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}
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}
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#endif /* RCAR_LSI == RZ_G2E */
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}
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