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/*
* Copyright (c) 2015-2021, Renesas Electronics Corporation. All rights
* reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stdint.h>
#include <lib/utils_def.h>
#include <iic_dvfs.h>
#include "board.h"
#ifndef BOARD_DEFAULT
#if (RCAR_LSI == RCAR_D3)
#define BOARD_DEFAULT (BOARD_DRAAK << BOARD_CODE_SHIFT)
#elif (RCAR_LSI == RCAR_E3)
#define BOARD_DEFAULT (BOARD_EBISU << BOARD_CODE_SHIFT)
#elif (RCAR_LSI == RCAR_V3M)
#define BOARD_DEFAULT (BOARD_EAGLE << BOARD_CODE_SHIFT)
#else
#define BOARD_DEFAULT (BOARD_SALVATOR_X << BOARD_CODE_SHIFT)
#endif
#endif
#define BOARD_CODE_MASK (0xF8)
#define BOARD_REV_MASK (0x07)
#define BOARD_CODE_SHIFT (0x03)
#define BOARD_ID_UNKNOWN (0xFF)
#define SXS_ID { 0x10U, 0x11U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define SX_ID { 0x10U, 0x11U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define SKP_ID { 0x10U, 0x10U, 0x20U, 0x21U, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define SK_ID { 0x10U, 0x30U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define EB4_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define EB_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define DR_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define EA_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
#define KK_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
const char *g_board_tbl[] = {
[BOARD_STARTER_KIT_PRE] = "Starter Kit Premier",
[BOARD_STARTER_KIT] = "Starter Kit",
[BOARD_SALVATOR_XS] = "Salvator-XS",
[BOARD_SALVATOR_X] = "Salvator-X",
[BOARD_EBISU_4D] = "Ebisu-4D",
[BOARD_KRIEK] = "Kriek",
[BOARD_EBISU] = "Ebisu",
[BOARD_DRAAK] = "Draak",
[BOARD_EAGLE] = "Eagle",
[BOARD_UNKNOWN] = "unknown"
};
int32_t rcar_get_board_type(uint32_t *type, uint32_t *rev)
{
int32_t ret = 0;
const uint8_t board_tbl[][8] = {
[BOARD_STARTER_KIT_PRE] = SKP_ID,
[BOARD_SALVATOR_XS] = SXS_ID,
[BOARD_STARTER_KIT] = SK_ID,
[BOARD_SALVATOR_X] = SX_ID,
[BOARD_EBISU_4D] = EB4_ID,
[BOARD_EBISU] = EB_ID,
[BOARD_DRAAK] = DR_ID,
[BOARD_EAGLE] = EA_ID,
[BOARD_KRIEK] = KK_ID,
};
static uint8_t board_id = BOARD_ID_UNKNOWN;
if (board_id != BOARD_ID_UNKNOWN)
goto get_type;
#if PMIC_ROHM_BD9571
/* Board ID detection from EEPROM */
ret = rcar_iic_dvfs_receive(EEPROM, BOARD_ID, &board_id);
if (ret) {
board_id = BOARD_ID_UNKNOWN;
goto get_type;
}
if (board_id == BOARD_ID_UNKNOWN)
board_id = BOARD_DEFAULT;
#else
board_id = BOARD_DEFAULT;
#endif
get_type:
*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 ret;
}
*rev = board_tbl[*type][(uint8_t) (board_id & BOARD_REV_MASK)];
return ret;
}
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