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