1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright 2019 Broadcom.
9 #define GICR_CTLR_ENABLE_LPIS BIT(0)
10 #define GICR_CTLR_RWP BIT(3)
12 #define GICR_TYPER_CPU_NUMBER(r) (((r) >> 8) & 0xffff)
14 #define GICR_WAKER_PROCESSORSLEEP BIT(1)
15 #define GICR_WAKER_CHILDRENASLEEP BIT(2)
17 #define GIC_BASER_CACHE_NCNB 0ULL
18 #define GIC_BASER_CACHE_SAMEASINNER 0ULL
19 #define GIC_BASER_CACHE_NC 1ULL
20 #define GIC_BASER_CACHE_RAWT 2ULL
21 #define GIC_BASER_CACHE_RAWB 3ULL
22 #define GIC_BASER_CACHE_WAWT 4ULL
23 #define GIC_BASER_CACHE_WAWB 5ULL
24 #define GIC_BASER_CACHE_RAWAWT 6ULL
25 #define GIC_BASER_CACHE_RAWAWB 7ULL
26 #define GIC_BASER_CACHE_MASK 7ULL
27 #define GIC_BASER_NONSHAREABLE 0ULL
28 #define GIC_BASER_INNERSHAREABLE 1ULL
29 #define GIC_BASER_OUTERSHAREABLE 2ULL
30 #define GIC_BASER_SHAREABILITY_MASK 3ULL
32 #define GIC_BASER_CACHEABILITY(reg, inner_outer, type) \
33 (GIC_BASER_CACHE_##type << reg##_##inner_outer##_CACHEABILITY_SHIFT)
35 #define GIC_BASER_SHAREABILITY(reg, type) \
36 (GIC_BASER_##type << reg##_SHAREABILITY_SHIFT)
38 /* encode a size field of width @w containing @n - 1 units */
39 #define GIC_ENCODE_SZ(n, w) (((unsigned long)(n) - 1) &\
40 GENMASK_ULL(((w) - 1), 0))
42 #define GICR_PROPBASER_SHAREABILITY_SHIFT (10)
43 #define GICR_PROPBASER_INNER_CACHEABILITY_SHIFT (7)
44 #define GICR_PROPBASER_OUTER_CACHEABILITY_SHIFT (56)
45 #define GICR_PROPBASER_SHAREABILITY_MASK \
46 GIC_BASER_SHAREABILITY(GICR_PROPBASER, SHAREABILITY_MASK)
47 #define GICR_PROPBASER_INNER_CACHEABILITY_MASK \
48 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, MASK)
49 #define GICR_PROPBASER_OUTER_CACHEABILITY_MASK \
50 GIC_BASER_CACHEABILITY(GICR_PROPBASER, OUTER, MASK)
51 #define GICR_PROPBASER_CACHEABILITY_MASK GICR_PROPBASER_INNER_CACHEABILITY_MASK
53 #define GICR_PROPBASER_INNERSHAREABLE \
54 GIC_BASER_SHAREABILITY(GICR_PROPBASER, INNERSHAREABLE)
56 #define GICR_PROPBASER_NCNB \
57 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, NCNB)
58 #define GICR_PROPBASER_NC \
59 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, NC)
60 #define GICR_PROPBASER_RAWT \
61 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RAWT)
62 #define GICR_PROPBASER_RAWB \
63 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RAWB)
64 #define GICR_PROPBASER_WAWT \
65 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WAWT)
66 #define GICR_PROPBASER_WAWB \
67 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, WAWB)
68 #define GICR_PROPBASER_RAWAWT \
69 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RAWAWT)
70 #define GICR_PROPBASER_RAWAWB \
71 GIC_BASER_CACHEABILITY(GICR_PROPBASER, INNER, RAWAWB)
73 #define GICR_PROPBASER_IDBITS_MASK (0x1f)
74 #define GICR_PROPBASER_ADDRESS(x) ((x) & GENMASK_ULL(51, 12))
75 #define GICR_PENDBASER_ADDRESS(x) ((x) & GENMASK_ULL(51, 16))
77 #define GICR_PENDBASER_SHAREABILITY_SHIFT (10)
78 #define GICR_PENDBASER_INNER_CACHEABILITY_SHIFT (7)
79 #define GICR_PENDBASER_OUTER_CACHEABILITY_SHIFT (56)
80 #define GICR_PENDBASER_SHAREABILITY_MASK \
81 GIC_BASER_SHAREABILITY(GICR_PENDBASER, SHAREABILITY_MASK)
82 #define GICR_PENDBASER_INNER_CACHEABILITY_MASK \
83 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, MASK)
84 #define GICR_PENDBASER_OUTER_CACHEABILITY_MASK \
85 GIC_BASER_CACHEABILITY(GICR_PENDBASER, OUTER, MASK)
86 #define GICR_PENDBASER_CACHEABILITY_MASK \
87 GICR_PENDBASER_INNER_CACHEABILITY_MASK
89 #define GICR_PENDBASER_INNERSHAREABLE \
90 GIC_BASER_SHAREABILITY(GICR_PENDBASER, INNERSHAREABLE)
92 #define GICR_PENDBASER_NCNB \
93 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, NCNB)
94 #define GICR_PENDBASER_NC \
95 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, NC)
96 #define GICR_PENDBASER_RAWT \
97 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RAWT)
98 #define GICR_PENDBASER_RAWB \
99 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RAWB)
100 #define GICR_PENDBASER_WAWT \
101 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WAWT)
102 #define GICR_PENDBASER_WAWB \
103 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, WAWB)
104 #define GICR_PENDBASER_RAWAWT \
105 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RAWAWT)
106 #define GICR_PENDBASER_RAWAWB \
107 GIC_BASER_CACHEABILITY(GICR_PENDBASER, INNER, RAWAWB)
109 #define GICR_PENDBASER_PTZ BIT_ULL(62)
111 #define ITS_MAX_LPI_NRBITS 16 /* 64K LPIs */
113 #define GICD_TYPER_ID_BITS(typer) ((((typer) >> 19) & 0x1f) + 1)
114 #define GICD_TYPER_NUM_LPIS(typer) ((((typer) >> 11) & 0x1f) + 1)
115 #define GICD_TYPER_IRQS(typer) ((((typer) & 0x1f) + 1) * 32)
117 /* Message based interrupts support */
118 #define GICD_TYPER_MBIS BIT(16)
120 #define GICD_TYPER_LPIS BIT(17)
121 #define GICD_TYPER_RSS BIT(26)
123 #define GIC_REDISTRIBUTOR_OFFSET 0x20000
125 #ifdef CONFIG_GIC_V3_ITS
126 int gic_lpi_tables_init(u64 base, u32 max_redist);
128 int gic_lpi_tables_init(u64 base, u32 max_redist)
132 #endif /* CONFIG_GIC_V3_ITS */
134 #endif /* __GIC_V3_H__ */