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drivers: renesas: rzg: Add HiHope RZ/G2M board support 

Add support for HiHope RZ/G2M board.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Change-Id: Ic8eed0729a42aeee94fc96d16b15b928232488a3
This commit is contained in:
Biju Das 2020-12-07 16:29:22 +00:00
parent 6369498c08
commit 5948f47ff9
2 changed files with 94 additions and 0 deletions
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64
drivers/renesas/rzg/board/board.c Normal file
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/*
* Copyright (c) 2020, 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
#define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2M << BOARD_CODE_SHIFT)
#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 }
const char *g_board_tbl[] = {
[BOARD_HIHOPE_RZ_G2M] = "HiHope RZ/G2M",
[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,
};
uint32_t reg, boardInfo;
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;
} else {
reg = mmio_read_32(RCAR_PRR);
if ((reg & PRR_CUT_MASK) == RCAR_M3_CUT_VER11) {
*rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
} else {
boardInfo = mmio_read_32(GPIO_INDT5) &
(GP5_19_BIT | GP5_21_BIT);
*rev = (((boardInfo & GP5_19_BIT) >> 14) |
((boardInfo & GP5_21_BIT) >> 17)) + 0x30U;
}
}
}

30
drivers/renesas/rzg/board/board.h Normal file
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/*
* Copyright (c) 2020, Renesas Electronics Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef RZ_G2_BOARD_H
#define RZ_G2_BOARD_H
enum rzg2_board_id {
BOARD_HIHOPE_RZ_G2M = 0,
BOARD_UNKNOWN
};
#define BOARD_REV_UNKNOWN (0xFFU)
extern const char *g_board_tbl[];
/************************************************************************
* Revisions are expressed in 8 bits.
* The upper 4 bits are major version.
* The lower 4 bits are minor version.
************************************************************************/
#define GET_BOARD_MAJOR(a) ((uint32_t)(a) >> 0x4)
#define GET_BOARD_MINOR(a) ((uint32_t)(a) & 0xF)
#define GET_BOARD_NAME(a) (g_board_tbl[(a)])
void rzg_get_board_type(uint32_t *type, uint32_t *rev);
#endif /* RZ_G2_BOARD_H */