1 | /* |
2 | * Copyright (C) 2010 Francisco Jerez. |
3 | * All Rights Reserved. |
4 | * |
5 | * Permission is hereby granted, free of charge, to any person obtaining |
6 | * a copy of this software and associated documentation files (the |
7 | * "Software"), to deal in the Software without restriction, including |
8 | * without limitation the rights to use, copy, modify, merge, publish, |
9 | * distribute, sublicense, and/or sell copies of the Software, and to |
10 | * permit persons to whom the Software is furnished to do so, subject to |
11 | * the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice (including the |
14 | * next paragraph) shall be included in all copies or substantial |
15 | * portions of the Software. |
16 | * |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
24 | * |
25 | */ |
26 | |
27 | #include <core/device.h> |
28 | |
29 | #define NV04_PFB_BOOT_0 0x00100000 |
30 | # define NV04_PFB_BOOT_0_RAM_AMOUNT 0x00000003 |
31 | # define NV04_PFB_BOOT_0_RAM_AMOUNT_32MB 0x00000000 |
32 | # define NV04_PFB_BOOT_0_RAM_AMOUNT_4MB 0x00000001 |
33 | # define NV04_PFB_BOOT_0_RAM_AMOUNT_8MB 0x00000002 |
34 | # define NV04_PFB_BOOT_0_RAM_AMOUNT_16MB 0x00000003 |
35 | # define NV04_PFB_BOOT_0_RAM_WIDTH_128 0x00000004 |
36 | # define NV04_PFB_BOOT_0_RAM_TYPE 0x00000028 |
37 | # define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_8MBIT 0x00000000 |
38 | # define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT 0x00000008 |
39 | # define NV04_PFB_BOOT_0_RAM_TYPE_SGRAM_16MBIT_4BANK 0x00000010 |
40 | # define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_16MBIT 0x00000018 |
41 | # define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBIT 0x00000020 |
42 | # define NV04_PFB_BOOT_0_RAM_TYPE_SDRAM_64MBITX16 0x00000028 |
43 | # define NV04_PFB_BOOT_0_UMA_ENABLE 0x00000100 |
44 | # define NV04_PFB_BOOT_0_UMA_SIZE 0x0000f000 |
45 | #define NV04_PFB_DEBUG_0 0x00100080 |
46 | # define NV04_PFB_DEBUG_0_PAGE_MODE 0x00000001 |
47 | # define NV04_PFB_DEBUG_0_REFRESH_OFF 0x00000010 |
48 | # define NV04_PFB_DEBUG_0_REFRESH_COUNTX64 0x00003f00 |
49 | # define NV04_PFB_DEBUG_0_REFRESH_SLOW_CLK 0x00004000 |
50 | # define NV04_PFB_DEBUG_0_SAFE_MODE 0x00008000 |
51 | # define NV04_PFB_DEBUG_0_ALOM_ENABLE 0x00010000 |
52 | # define NV04_PFB_DEBUG_0_CASOE 0x00100000 |
53 | # define NV04_PFB_DEBUG_0_CKE_INVERT 0x10000000 |
54 | # define NV04_PFB_DEBUG_0_REFINC 0x20000000 |
55 | # define NV04_PFB_DEBUG_0_SAVE_POWER_OFF 0x40000000 |
56 | #define NV04_PFB_CFG0 0x00100200 |
57 | # define NV04_PFB_CFG0_SCRAMBLE 0x20000000 |
58 | #define NV04_PFB_CFG1 0x00100204 |
59 | #define NV04_PFB_SCRAMBLE(i) (0x00100400 + 4 * (i)) |
60 | |
61 | #define NV10_PFB_REFCTRL 0x00100210 |
62 | # define NV10_PFB_REFCTRL_VALID_1 (1 << 31) |
63 | |
64 | static inline struct io_mapping * |
65 | fbmem_init(struct nouveau_device *dev) |
66 | { |
67 | #ifdef __NetBSD__ |
68 | return bus_space_io_mapping_create_wc(nv_device_resource_tag(dev, 1), |
69 | nv_device_resource_start(dev, 1), |
70 | nv_device_resource_len(dev, 1)); |
71 | #else |
72 | return io_mapping_create_wc(nv_device_resource_start(dev, 1), |
73 | nv_device_resource_len(dev, 1)); |
74 | #endif |
75 | } |
76 | |
77 | static inline void |
78 | fbmem_fini(struct io_mapping *fb) |
79 | { |
80 | io_mapping_free(fb); |
81 | } |
82 | |
83 | #ifdef __NetBSD__ |
84 | /* |
85 | * XXX Consider using bus_space_reserve/map instead. Don't want to use |
86 | * bus_space_map because presumably that will eat too much KVA. |
87 | */ |
88 | |
89 | # define __iomem volatile |
90 | # define ioread32 fake_ioread32 |
91 | # define iowrite32 fake_iowrite32 |
92 | |
93 | static inline uint32_t |
94 | fake_ioread32(const void __iomem *p) |
95 | { |
96 | const uint32_t v = *(const uint32_t __iomem *)p; |
97 | |
98 | membar_consumer(); |
99 | |
100 | return v; |
101 | } |
102 | |
103 | static inline void |
104 | fake_iowrite32(uint32_t v, void __iomem *p) |
105 | { |
106 | |
107 | membar_producer(); |
108 | *(uint32_t __iomem *)p = v; |
109 | } |
110 | #endif |
111 | |
112 | static inline u32 |
113 | fbmem_peek(struct io_mapping *fb, u32 off) |
114 | { |
115 | u8 __iomem *p = io_mapping_map_atomic_wc(fb, off & PAGE_MASK); |
116 | u32 val = ioread32(p + (off & ~PAGE_MASK)); |
117 | #ifdef __NetBSD__ |
118 | io_mapping_unmap_atomic(fb, __UNVOLATILE(p)); |
119 | #else |
120 | io_mapping_unmap_atomic(p); |
121 | #endif |
122 | return val; |
123 | } |
124 | |
125 | static inline void |
126 | fbmem_poke(struct io_mapping *fb, u32 off, u32 val) |
127 | { |
128 | u8 __iomem *p = io_mapping_map_atomic_wc(fb, off & PAGE_MASK); |
129 | iowrite32(val, p + (off & ~PAGE_MASK)); |
130 | #ifdef __NetBSD__ |
131 | membar_producer(); |
132 | io_mapping_unmap_atomic(fb, __UNVOLATILE(p)); |
133 | #else |
134 | wmb(); |
135 | io_mapping_unmap_atomic(p); |
136 | #endif |
137 | } |
138 | |
139 | static inline bool |
140 | fbmem_readback(struct io_mapping *fb, u32 off, u32 val) |
141 | { |
142 | fbmem_poke(fb, off, val); |
143 | return val == fbmem_peek(fb, off); |
144 | } |
145 | |
146 | #ifdef __NetBSD__ |
147 | # undef __iomem |
148 | # undef ioread32 |
149 | # undef iowrite32 |
150 | #endif |
151 | |