xref: /rk3399_ARM-atf/drivers/renesas/rzg/pfc/pfc_init.c (revision 744c56648500af24dd1ccb61b46c30dc386af016)
1618522ebSBiju Das /*
2a51d7062SLad Prabhakar  * Copyright (c) 2020-2021, Renesas Electronics Corporation. All rights reserved.
3618522ebSBiju Das  *
4618522ebSBiju Das  * SPDX-License-Identifier: BSD-3-Clause
5618522ebSBiju Das  */
6618522ebSBiju Das #include <stdint.h>
7618522ebSBiju Das 
8618522ebSBiju Das #include <common/debug.h>
9618522ebSBiju Das #include <lib/mmio.h>
10618522ebSBiju Das 
11618522ebSBiju Das #if RCAR_LSI == RCAR_AUTO
12a51d7062SLad Prabhakar #include "G2H/pfc_init_g2h.h"
13618522ebSBiju Das #include "G2M/pfc_init_g2m.h"
14*744c5664SLad Prabhakar #include "G2N/pfc_init_g2n.h"
15618522ebSBiju Das #endif /* RCAR_LSI == RCAR_AUTO */
16a51d7062SLad Prabhakar #if (RCAR_LSI == RZ_G2H)
17a51d7062SLad Prabhakar #include "G2H/pfc_init_g2h.h"
18a51d7062SLad Prabhakar #endif /* RCAR_LSI == RZ_G2H */
19618522ebSBiju Das #if (RCAR_LSI == RZ_G2M)
20618522ebSBiju Das #include "G2M/pfc_init_g2m.h"
21618522ebSBiju Das #endif /* RCAR_LSI == RZ_G2M */
22*744c5664SLad Prabhakar #if (RCAR_LSI == RZ_G2N)
23*744c5664SLad Prabhakar #include "G2N/pfc_init_g2n.h"
24*744c5664SLad Prabhakar #endif /* RCAR_LSI == RZ_G2N */
25618522ebSBiju Das #include "rcar_def.h"
26618522ebSBiju Das 
27618522ebSBiju Das #define PRR_PRODUCT_ERR(reg)				\
28618522ebSBiju Das 	do {						\
29618522ebSBiju Das 		ERROR("LSI Product ID(PRR=0x%x) PFC init not supported.\n", \
30618522ebSBiju Das 			reg);				\
31618522ebSBiju Das 		panic();				\
32618522ebSBiju Das 	} while (0)
33618522ebSBiju Das 
34618522ebSBiju Das #define PRR_CUT_ERR(reg)				\
35618522ebSBiju Das 	do {						\
36618522ebSBiju Das 		ERROR("LSI Cut ID(PRR=0x%x) PFC init not supported.\n", \
37618522ebSBiju Das 			reg);				\
38618522ebSBiju Das 		panic();\
39618522ebSBiju Das 	} while (0)
40618522ebSBiju Das 
41618522ebSBiju Das void rzg_pfc_init(void)
42618522ebSBiju Das {
43618522ebSBiju Das 	uint32_t reg;
44618522ebSBiju Das 
45618522ebSBiju Das 	reg = mmio_read_32(RCAR_PRR);
46618522ebSBiju Das #if RCAR_LSI == RCAR_AUTO
47618522ebSBiju Das 	switch (reg & PRR_PRODUCT_MASK) {
48618522ebSBiju Das 	case PRR_PRODUCT_M3:
49618522ebSBiju Das 		pfc_init_g2m();
50618522ebSBiju Das 		break;
51a51d7062SLad Prabhakar 	case PRR_PRODUCT_H3:
52a51d7062SLad Prabhakar 		pfc_init_g2h();
53a51d7062SLad Prabhakar 		break;
54*744c5664SLad Prabhakar 	case PRR_PRODUCT_M3N:
55*744c5664SLad Prabhakar 		pfc_init_g2n();
56*744c5664SLad Prabhakar 		break;
57618522ebSBiju Das 	default:
58618522ebSBiju Das 		PRR_PRODUCT_ERR(reg);
59618522ebSBiju Das 		break;
60618522ebSBiju Das 	}
61618522ebSBiju Das 
62618522ebSBiju Das #elif RCAR_LSI_CUT_COMPAT /* RCAR_LSI == RCAR_AUTO */
63618522ebSBiju Das 	switch (reg & PRR_PRODUCT_MASK) {
64618522ebSBiju Das 	case PRR_PRODUCT_M3:
65618522ebSBiju Das #if RCAR_LSI != RZ_G2M
66618522ebSBiju Das 		PRR_PRODUCT_ERR(reg);
67618522ebSBiju Das #else /* RCAR_LSI != RZ_G2M */
68618522ebSBiju Das 		pfc_init_g2m();
69618522ebSBiju Das #endif /* RCAR_LSI != RZ_G2M */
70618522ebSBiju Das 		break;
71a51d7062SLad Prabhakar 	case PRR_PRODUCT_H3:
72a51d7062SLad Prabhakar #if (RCAR_LSI != RZ_G2H)
73a51d7062SLad Prabhakar 		PRR_PRODUCT_ERR(reg);
74a51d7062SLad Prabhakar #else /* RCAR_LSI != RZ_G2H */
75a51d7062SLad Prabhakar 		pfc_init_g2h();
76a51d7062SLad Prabhakar #endif /* RCAR_LSI != RZ_G2H */
77a51d7062SLad Prabhakar 		break;
78*744c5664SLad Prabhakar 	case PRR_PRODUCT_M3N:
79*744c5664SLad Prabhakar #if RCAR_LSI != RZ_G2N
80*744c5664SLad Prabhakar 		PRR_PRODUCT_ERR(reg);
81*744c5664SLad Prabhakar #else
82*744c5664SLad Prabhakar 		pfc_init_g2n();
83*744c5664SLad Prabhakar #endif /* RCAR_LSI != RZ_G2N */
84*744c5664SLad Prabhakar 		break;
85618522ebSBiju Das 	default:
86618522ebSBiju Das 		PRR_PRODUCT_ERR(reg);
87618522ebSBiju Das 		break;
88618522ebSBiju Das 	}
89618522ebSBiju Das 
90618522ebSBiju Das #else /* RCAR_LSI == RCAR_AUTO */
91618522ebSBiju Das #if (RCAR_LSI == RZ_G2M)
92618522ebSBiju Das 	if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_M3) {
93618522ebSBiju Das 		PRR_PRODUCT_ERR(reg);
94618522ebSBiju Das 	}
95618522ebSBiju Das 	pfc_init_m3();
96a51d7062SLad Prabhakar #elif (RCAR_LSI == RZ_G2H)
97a51d7062SLad Prabhakar 	if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_H3) {
98a51d7062SLad Prabhakar 		PRR_PRODUCT_ERR(reg);
99a51d7062SLad Prabhakar 	}
100a51d7062SLad Prabhakar 	pfc_init_g2h();
101*744c5664SLad Prabhakar #elif (RCAR_LSI == RZ_G2N)	/* G2N */
102*744c5664SLad Prabhakar 	if ((reg & PRR_PRODUCT_MASK) != PRR_PRODUCT_M3N) {
103*744c5664SLad Prabhakar 		PRR_PRODUCT_ERR(reg);
104*744c5664SLad Prabhakar 	}
105*744c5664SLad Prabhakar 	pfc_init_g2n();
106618522ebSBiju Das #else /* RCAR_LSI == RZ_G2M */
107618522ebSBiju Das #error "Don't have PFC initialize routine(unknown)."
108618522ebSBiju Das #endif /* RCAR_LSI == RZ_G2M */
109618522ebSBiju Das #endif /* RCAR_LSI == RCAR_AUTO */
110618522ebSBiju Das }
111