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