1 /*
2  * Copyright (C) 2016 Freescale Semiconductor, Inc.
3  *
4  * SPDX-License-Identifier:  GPL-2.0+
5  */
6 
7 #ifndef __RDC_SEMA_H__
8 #define __RDC_SEMA_H__
9 
10 /*
11  * rdc_peri_cfg_t and rdc_ma_cft_t use the same layout.
12  *
13  *   [ 23 22 | 21 20 | 19 18 | 17 16 ] | [ 15 - 8 ] | [ 7 - 0 ]
14  *      d3      d2      d1       d0    | master id  |  peri id
15  *   d[x] means domain[x], x can be [3 - 0].
16  */
17 typedef u32 rdc_peri_cfg_t;
18 typedef u32 rdc_ma_cfg_t;
19 
20 #define RDC_PERI_SHIFT		0
21 #define RDC_PERI_MASK		0xFF
22 
23 #define RDC_DOMAIN_SHIFT_BASE	16
24 #define RDC_DOMAIN_MASK		0xFF0000
25 #define RDC_DOMAIN_SHIFT(x)	(RDC_DOMAIN_SHIFT_BASE + ((x << 1)))
26 #define RDC_DOMAIN(x)		((rdc_peri_cfg_t)(0x3 << RDC_DOMAIN_SHIFT(x)))
27 
28 #define RDC_MASTER_SHIFT	8
29 #define RDC_MASTER_MASK		0xFF00
30 #define RDC_MASTER_CFG(master_id, domain_id) (rdc_ma_cfg_t)((master_id << 8) | \
31 					(domain_id << RDC_DOMAIN_SHIFT_BASE))
32 
33 /* The Following macro definitions are common to i.MX6SX and i.MX7D */
34 #define SEMA_GATES_NUM		64
35 
36 #define RDC_MDA_DID_SHIFT	0
37 #define RDC_MDA_DID_MASK	(0x3 << RDC_MDA_DID_SHIFT)
38 #define RDC_MDA_LCK_SHIFT	31
39 #define RDC_MDA_LCK_MASK	(0x1 << RDC_MDA_LCK_SHIFT)
40 
41 #define RDC_PDAP_DW_SHIFT(domain)	((domain) << 1)
42 #define RDC_PDAP_DR_SHIFT(domain)	(1 + RDC_PDAP_DW_SHIFT(domain))
43 #define RDC_PDAP_DW_MASK(domain)	(1 << RDC_PDAP_DW_SHIFT(domain))
44 #define RDC_PDAP_DR_MASK(domain)	(1 << RDC_PDAP_DR_SHIFT(domain))
45 #define RDC_PDAP_DRW_MASK(domain)	(RDC_PDAP_DW_MASK(domain) | \
46 					 RDC_PDAP_DR_MASK(domain))
47 
48 #define RDC_PDAP_SREQ_SHIFT	30
49 #define RDC_PDAP_SREQ_MASK	(0x1 << RDC_PDAP_SREQ_SHIFT)
50 #define RDC_PDAP_LCK_SHIFT	31
51 #define RDC_PDAP_LCK_MASK	(0x1 << RDC_PDAP_LCK_SHIFT)
52 
53 #define RDC_MRSA_SADR_SHIFT	7
54 #define RDC_MRSA_SADR_MASK	(0x1ffffff << RDC_MRSA_SADR_SHIFT)
55 
56 #define RDC_MREA_EADR_SHIFT	7
57 #define RDC_MREA_EADR_MASK	(0x1ffffff << RDC_MREA_EADR_SHIFT)
58 
59 #define RDC_MRC_DW_SHIFT(domain)	(domain)
60 #define RDC_MRC_DR_SHIFT(domain)	(1 + RDC_MRC_DW_SHIFT(domain))
61 #define RDC_MRC_DW_MASK(domain)		(1 << RDC_MRC_DW_SHIFT(domain))
62 #define RDC_MRC_DR_MASK(domain)		(1 << RDC_MRC_DR_SHIFT(domain))
63 #define RDC_MRC_DRW_MASK(domain)	(RDC_MRC_DW_MASK(domain) | \
64 					 RDC_MRC_DR_MASK(domain))
65 #define RDC_MRC_ENA_SHIFT	30
66 #define RDC_MRC_ENA_MASK	(0x1 << RDC_MRC_ENA_SHIFT)
67 #define RDC_MRC_LCK_SHIFT	31
68 #define RDC_MRC_LCK_MASK	(0x1 << RDC_MRC_LCK_SHIFT)
69 
70 #define RDC_MRVS_VDID_SHIFT	0
71 #define RDC_MRVS_VDID_MASK	(0x3 << RDC_MRVS_VDID_SHIFT)
72 #define RDC_MRVS_AD_SHIFT	4
73 #define RDC_MRVS_AD_MASK	(0x1 << RDC_MRVS_AD_SHIFT)
74 #define RDC_MRVS_VADDR_SHIFT	5
75 #define RDC_MRVS_VADDR_MASK	(0x7ffffff << RDC_MRVS_VADDR_SHIFT)
76 
77 #define RDC_SEMA_GATE_GTFSM_SHIFT	0
78 #define RDC_SEMA_GATE_GTFSM_MASK	(0xf << RDC_SEMA_GATE_GTFSM_SHIFT)
79 #define RDC_SEMA_GATE_LDOM_SHIFT	5
80 #define RDC_SEMA_GATE_LDOM_MASK		(0x3 << RDC_SEMA_GATE_LDOM_SHIFT)
81 
82 #define RDC_SEMA_RSTGT_RSTGDP_SHIFT	0
83 #define RDC_SEMA_RSTGT_RSTGDP_MASK	(0xff << RDC_SEMA_RSTGT_RSTGDP_SHIFT)
84 #define RDC_SEMA_RSTGT_RSTGSM_SHIFT	2
85 #define RDC_SEMA_RSTGT_RSTGSM_MASK	(0x3 << RDC_SEMA_RSTGT_RSTGSM_SHIFT)
86 #define RDC_SEMA_RSTGT_RSTGMS_SHIFT	4
87 #define RDC_SEMA_RSTGT_RSTGMS_MASK	(0xf << RDC_SEMA_RSTGT_RSTGMS_SHIFT)
88 #define RDC_SEMA_RSTGT_RSTGTN_SHIFT	8
89 #define RDC_SEMA_RSTGT_RSTGTN_MASK	(0xff << RDC_SEMA_RSTGT_RSTGTN_SHIFT)
90 
91 int imx_rdc_check_permission(int per_id, int dom_id);
92 int imx_rdc_sema_lock(int per_id);
93 int imx_rdc_sema_unlock(int per_id);
94 int imx_rdc_setup_peri(rdc_peri_cfg_t p);
95 int imx_rdc_setup_peripherals(rdc_peri_cfg_t const *peripherals_list,
96 			      unsigned count);
97 int imx_rdc_setup_ma(rdc_ma_cfg_t p);
98 int imx_rdc_setup_masters(rdc_ma_cfg_t const *masters_list, unsigned count);
99 
100 #endif	/* __RDC_SEMA_H__*/
101