1*54fd6939SJiyong Park /*
2*54fd6939SJiyong Park * Copyright (c) 2020-2021, Renesas Electronics Corporation. All rights reserved.
3*54fd6939SJiyong Park *
4*54fd6939SJiyong Park * SPDX-License-Identifier: BSD-3-Clause
5*54fd6939SJiyong Park */
6*54fd6939SJiyong Park
7*54fd6939SJiyong Park #include <stdint.h>
8*54fd6939SJiyong Park
9*54fd6939SJiyong Park #include <lib/mmio.h>
10*54fd6939SJiyong Park #include <lib/utils_def.h>
11*54fd6939SJiyong Park
12*54fd6939SJiyong Park #include "board.h"
13*54fd6939SJiyong Park #include "rcar_def.h"
14*54fd6939SJiyong Park
15*54fd6939SJiyong Park #ifndef BOARD_DEFAULT
16*54fd6939SJiyong Park #if (RCAR_LSI == RZ_G2H)
17*54fd6939SJiyong Park #define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2H << BOARD_CODE_SHIFT)
18*54fd6939SJiyong Park #elif (RCAR_LSI == RZ_G2N)
19*54fd6939SJiyong Park #define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2N << BOARD_CODE_SHIFT)
20*54fd6939SJiyong Park #elif (RCAR_LSI == RZ_G2E)
21*54fd6939SJiyong Park #define BOARD_DEFAULT (BOARD_EK874_RZ_G2E << BOARD_CODE_SHIFT)
22*54fd6939SJiyong Park #else
23*54fd6939SJiyong Park #define BOARD_DEFAULT (BOARD_HIHOPE_RZ_G2M << BOARD_CODE_SHIFT)
24*54fd6939SJiyong Park #endif /* RCAR_LSI == RZ_G2H */
25*54fd6939SJiyong Park #endif /* BOARD_DEFAULT */
26*54fd6939SJiyong Park
27*54fd6939SJiyong Park #define BOARD_CODE_MASK (0xF8U)
28*54fd6939SJiyong Park #define BOARD_REV_MASK (0x07U)
29*54fd6939SJiyong Park #define BOARD_CODE_SHIFT (0x03)
30*54fd6939SJiyong Park #define BOARD_ID_UNKNOWN (0xFFU)
31*54fd6939SJiyong Park
32*54fd6939SJiyong Park #define GPIO_INDT5 0xE605500C
33*54fd6939SJiyong Park #define GP5_19_BIT (0x01U << 19)
34*54fd6939SJiyong Park #define GP5_21_BIT (0x01U << 21)
35*54fd6939SJiyong Park #define GP5_25_BIT (0x01U << 25)
36*54fd6939SJiyong Park
37*54fd6939SJiyong Park #define HM_ID { 0x10U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
38*54fd6939SJiyong Park #define HH_ID HM_ID
39*54fd6939SJiyong Park #define HN_ID { 0x20U, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU }
40*54fd6939SJiyong Park #define EK_ID HM_ID
41*54fd6939SJiyong Park
42*54fd6939SJiyong Park const char *g_board_tbl[] = {
43*54fd6939SJiyong Park [BOARD_HIHOPE_RZ_G2M] = "HiHope RZ/G2M",
44*54fd6939SJiyong Park [BOARD_HIHOPE_RZ_G2H] = "HiHope RZ/G2H",
45*54fd6939SJiyong Park [BOARD_HIHOPE_RZ_G2N] = "HiHope RZ/G2N",
46*54fd6939SJiyong Park [BOARD_EK874_RZ_G2E] = "EK874 RZ/G2E",
47*54fd6939SJiyong Park [BOARD_UNKNOWN] = "unknown"
48*54fd6939SJiyong Park };
49*54fd6939SJiyong Park
rzg_get_board_type(uint32_t * type,uint32_t * rev)50*54fd6939SJiyong Park void rzg_get_board_type(uint32_t *type, uint32_t *rev)
51*54fd6939SJiyong Park {
52*54fd6939SJiyong Park static uint8_t board_id = BOARD_ID_UNKNOWN;
53*54fd6939SJiyong Park const uint8_t board_tbl[][8] = {
54*54fd6939SJiyong Park [BOARD_HIHOPE_RZ_G2M] = HM_ID,
55*54fd6939SJiyong Park [BOARD_HIHOPE_RZ_G2H] = HH_ID,
56*54fd6939SJiyong Park [BOARD_HIHOPE_RZ_G2N] = HN_ID,
57*54fd6939SJiyong Park [BOARD_EK874_RZ_G2E] = EK_ID,
58*54fd6939SJiyong Park };
59*54fd6939SJiyong Park uint32_t reg;
60*54fd6939SJiyong Park #if (RCAR_LSI != RZ_G2E)
61*54fd6939SJiyong Park uint32_t boardInfo;
62*54fd6939SJiyong Park #endif /* RCAR_LSI == RZ_G2E */
63*54fd6939SJiyong Park
64*54fd6939SJiyong Park if (board_id == BOARD_ID_UNKNOWN) {
65*54fd6939SJiyong Park board_id = BOARD_DEFAULT;
66*54fd6939SJiyong Park }
67*54fd6939SJiyong Park
68*54fd6939SJiyong Park *type = ((uint32_t) board_id & BOARD_CODE_MASK) >> BOARD_CODE_SHIFT;
69*54fd6939SJiyong Park
70*54fd6939SJiyong Park if (*type >= ARRAY_SIZE(board_tbl)) {
71*54fd6939SJiyong Park /* no revision information, set Rev0.0. */
72*54fd6939SJiyong Park *rev = 0;
73*54fd6939SJiyong Park return;
74*54fd6939SJiyong Park }
75*54fd6939SJiyong Park
76*54fd6939SJiyong Park reg = mmio_read_32(RCAR_PRR);
77*54fd6939SJiyong Park #if (RCAR_LSI == RZ_G2E)
78*54fd6939SJiyong Park if (reg & RCAR_MINOR_MASK) {
79*54fd6939SJiyong Park *rev = 0x30U;
80*54fd6939SJiyong Park } else {
81*54fd6939SJiyong Park *rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
82*54fd6939SJiyong Park }
83*54fd6939SJiyong Park #else
84*54fd6939SJiyong Park if ((reg & PRR_CUT_MASK) == RCAR_M3_CUT_VER11) {
85*54fd6939SJiyong Park *rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
86*54fd6939SJiyong Park } else {
87*54fd6939SJiyong Park reg = mmio_read_32(GPIO_INDT5);
88*54fd6939SJiyong Park if (reg & GP5_25_BIT) {
89*54fd6939SJiyong Park *rev = board_tbl[*type][(uint8_t)(board_id & BOARD_REV_MASK)];
90*54fd6939SJiyong Park } else {
91*54fd6939SJiyong Park boardInfo = reg & (GP5_19_BIT | GP5_21_BIT);
92*54fd6939SJiyong Park *rev = (((boardInfo & GP5_19_BIT) >> 14) |
93*54fd6939SJiyong Park ((boardInfo & GP5_21_BIT) >> 17)) + 0x30U;
94*54fd6939SJiyong Park }
95*54fd6939SJiyong Park }
96*54fd6939SJiyong Park #endif /* RCAR_LSI == RZ_G2E */
97*54fd6939SJiyong Park }
98