diff options
Diffstat (limited to 'drivers/gpu/nvgpu/common/fb/fb_gm20b.c')
-rw-r--r-- | drivers/gpu/nvgpu/common/fb/fb_gm20b.c | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/common/fb/fb_gm20b.c b/drivers/gpu/nvgpu/common/fb/fb_gm20b.c new file mode 100644 index 00000000..bd093b31 --- /dev/null +++ b/drivers/gpu/nvgpu/common/fb/fb_gm20b.c | |||
@@ -0,0 +1,229 @@ | |||
1 | /* | ||
2 | * GM20B GPC MMU | ||
3 | * | ||
4 | * Copyright (c) 2014-2018, NVIDIA CORPORATION. All rights reserved. | ||
5 | * | ||
6 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
7 | * copy of this software and associated documentation files (the "Software"), | ||
8 | * to deal in the Software without restriction, including without limitation | ||
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
10 | * and/or sell copies of the Software, and to permit persons to whom the | ||
11 | * Software is furnished to do so, subject to the following conditions: | ||
12 | * | ||
13 | * The above copyright notice and this permission notice shall be included in | ||
14 | * all copies or substantial portions of the Software. | ||
15 | * | ||
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | ||
19 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
20 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
21 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
22 | * DEALINGS IN THE SOFTWARE. | ||
23 | */ | ||
24 | |||
25 | #include <nvgpu/sizes.h> | ||
26 | |||
27 | #include "gk20a/gk20a.h" | ||
28 | |||
29 | #include "fb_gk20a.h" | ||
30 | #include "fb_gm20b.h" | ||
31 | |||
32 | #include <nvgpu/hw/gm20b/hw_fb_gm20b.h> | ||
33 | #include <nvgpu/hw/gm20b/hw_top_gm20b.h> | ||
34 | #include <nvgpu/hw/gm20b/hw_gmmu_gm20b.h> | ||
35 | #include <nvgpu/hw/gm20b/hw_gr_gm20b.h> | ||
36 | |||
37 | #define VPR_INFO_FETCH_WAIT (5) | ||
38 | #define WPR_INFO_ADDR_ALIGNMENT 0x0000000c | ||
39 | |||
40 | void fb_gm20b_init_fs_state(struct gk20a *g) | ||
41 | { | ||
42 | nvgpu_log_info(g, "initialize gm20b fb"); | ||
43 | |||
44 | gk20a_writel(g, fb_fbhub_num_active_ltcs_r(), | ||
45 | g->ltc_count); | ||
46 | |||
47 | if (!nvgpu_is_enabled(g, NVGPU_SEC_PRIVSECURITY)) { | ||
48 | /* Bypass MMU check for non-secure boot. For | ||
49 | * secure-boot,this register write has no-effect */ | ||
50 | gk20a_writel(g, fb_priv_mmu_phy_secure_r(), 0xffffffffU); | ||
51 | } | ||
52 | } | ||
53 | |||
54 | void gm20b_fb_set_mmu_page_size(struct gk20a *g) | ||
55 | { | ||
56 | /* set large page size in fb */ | ||
57 | u32 fb_mmu_ctrl = gk20a_readl(g, fb_mmu_ctrl_r()); | ||
58 | fb_mmu_ctrl |= fb_mmu_ctrl_use_pdb_big_page_size_true_f(); | ||
59 | gk20a_writel(g, fb_mmu_ctrl_r(), fb_mmu_ctrl); | ||
60 | } | ||
61 | |||
62 | bool gm20b_fb_set_use_full_comp_tag_line(struct gk20a *g) | ||
63 | { | ||
64 | /* set large page size in fb */ | ||
65 | u32 fb_mmu_ctrl = gk20a_readl(g, fb_mmu_ctrl_r()); | ||
66 | fb_mmu_ctrl |= fb_mmu_ctrl_use_full_comp_tag_line_true_f(); | ||
67 | gk20a_writel(g, fb_mmu_ctrl_r(), fb_mmu_ctrl); | ||
68 | |||
69 | return true; | ||
70 | } | ||
71 | |||
72 | u32 gm20b_fb_mmu_ctrl(struct gk20a *g) | ||
73 | { | ||
74 | return gk20a_readl(g, fb_mmu_ctrl_r()); | ||
75 | } | ||
76 | |||
77 | u32 gm20b_fb_mmu_debug_ctrl(struct gk20a *g) | ||
78 | { | ||
79 | return gk20a_readl(g, fb_mmu_debug_ctrl_r()); | ||
80 | } | ||
81 | |||
82 | u32 gm20b_fb_mmu_debug_wr(struct gk20a *g) | ||
83 | { | ||
84 | return gk20a_readl(g, fb_mmu_debug_wr_r()); | ||
85 | } | ||
86 | |||
87 | u32 gm20b_fb_mmu_debug_rd(struct gk20a *g) | ||
88 | { | ||
89 | return gk20a_readl(g, fb_mmu_debug_rd_r()); | ||
90 | } | ||
91 | |||
92 | unsigned int gm20b_fb_compression_page_size(struct gk20a *g) | ||
93 | { | ||
94 | return SZ_128K; | ||
95 | } | ||
96 | |||
97 | unsigned int gm20b_fb_compressible_page_size(struct gk20a *g) | ||
98 | { | ||
99 | return SZ_64K; | ||
100 | } | ||
101 | |||
102 | u32 gm20b_fb_compression_align_mask(struct gk20a *g) | ||
103 | { | ||
104 | return SZ_64K - 1; | ||
105 | } | ||
106 | |||
107 | void gm20b_fb_dump_vpr_wpr_info(struct gk20a *g) | ||
108 | { | ||
109 | u32 val; | ||
110 | |||
111 | /* print vpr and wpr info */ | ||
112 | val = gk20a_readl(g, fb_mmu_vpr_info_r()); | ||
113 | val &= ~0x3; | ||
114 | val |= fb_mmu_vpr_info_index_addr_lo_v(); | ||
115 | gk20a_writel(g, fb_mmu_vpr_info_r(), val); | ||
116 | nvgpu_err(g, "VPR: %08x %08x %08x %08x", | ||
117 | gk20a_readl(g, fb_mmu_vpr_info_r()), | ||
118 | gk20a_readl(g, fb_mmu_vpr_info_r()), | ||
119 | gk20a_readl(g, fb_mmu_vpr_info_r()), | ||
120 | gk20a_readl(g, fb_mmu_vpr_info_r())); | ||
121 | |||
122 | val = gk20a_readl(g, fb_mmu_wpr_info_r()); | ||
123 | val &= ~0xf; | ||
124 | val |= (fb_mmu_wpr_info_index_allow_read_v()); | ||
125 | gk20a_writel(g, fb_mmu_wpr_info_r(), val); | ||
126 | nvgpu_err(g, "WPR: %08x %08x %08x %08x %08x %08x", | ||
127 | gk20a_readl(g, fb_mmu_wpr_info_r()), | ||
128 | gk20a_readl(g, fb_mmu_wpr_info_r()), | ||
129 | gk20a_readl(g, fb_mmu_wpr_info_r()), | ||
130 | gk20a_readl(g, fb_mmu_wpr_info_r()), | ||
131 | gk20a_readl(g, fb_mmu_wpr_info_r()), | ||
132 | gk20a_readl(g, fb_mmu_wpr_info_r())); | ||
133 | |||
134 | } | ||
135 | |||
136 | static int gm20b_fb_vpr_info_fetch_wait(struct gk20a *g, | ||
137 | unsigned int msec) | ||
138 | { | ||
139 | struct nvgpu_timeout timeout; | ||
140 | |||
141 | nvgpu_timeout_init(g, &timeout, msec, NVGPU_TIMER_CPU_TIMER); | ||
142 | |||
143 | do { | ||
144 | u32 val; | ||
145 | |||
146 | val = gk20a_readl(g, fb_mmu_vpr_info_r()); | ||
147 | if (fb_mmu_vpr_info_fetch_v(val) == | ||
148 | fb_mmu_vpr_info_fetch_false_v()) | ||
149 | return 0; | ||
150 | |||
151 | } while (!nvgpu_timeout_expired(&timeout)); | ||
152 | |||
153 | return -ETIMEDOUT; | ||
154 | } | ||
155 | |||
156 | int gm20b_fb_vpr_info_fetch(struct gk20a *g) | ||
157 | { | ||
158 | if (gm20b_fb_vpr_info_fetch_wait(g, VPR_INFO_FETCH_WAIT)) { | ||
159 | return -ETIMEDOUT; | ||
160 | } | ||
161 | |||
162 | gk20a_writel(g, fb_mmu_vpr_info_r(), | ||
163 | fb_mmu_vpr_info_fetch_true_v()); | ||
164 | |||
165 | return gm20b_fb_vpr_info_fetch_wait(g, VPR_INFO_FETCH_WAIT); | ||
166 | } | ||
167 | |||
168 | void gm20b_fb_read_wpr_info(struct gk20a *g, struct wpr_carveout_info *inf) | ||
169 | { | ||
170 | u32 val = 0; | ||
171 | u64 wpr_start = 0; | ||
172 | u64 wpr_end = 0; | ||
173 | |||
174 | val = gk20a_readl(g, fb_mmu_wpr_info_r()); | ||
175 | val &= ~0xF; | ||
176 | val |= fb_mmu_wpr_info_index_wpr1_addr_lo_v(); | ||
177 | gk20a_writel(g, fb_mmu_wpr_info_r(), val); | ||
178 | |||
179 | val = gk20a_readl(g, fb_mmu_wpr_info_r()) >> 0x4; | ||
180 | wpr_start = hi32_lo32_to_u64( | ||
181 | (val >> (32 - WPR_INFO_ADDR_ALIGNMENT)), | ||
182 | (val << WPR_INFO_ADDR_ALIGNMENT)); | ||
183 | |||
184 | val = gk20a_readl(g, fb_mmu_wpr_info_r()); | ||
185 | val &= ~0xF; | ||
186 | val |= fb_mmu_wpr_info_index_wpr1_addr_hi_v(); | ||
187 | gk20a_writel(g, fb_mmu_wpr_info_r(), val); | ||
188 | |||
189 | val = gk20a_readl(g, fb_mmu_wpr_info_r()) >> 0x4; | ||
190 | wpr_end = hi32_lo32_to_u64( | ||
191 | (val >> (32 - WPR_INFO_ADDR_ALIGNMENT)), | ||
192 | (val << WPR_INFO_ADDR_ALIGNMENT)); | ||
193 | |||
194 | inf->wpr_base = wpr_start; | ||
195 | inf->nonwpr_base = 0; | ||
196 | inf->size = (wpr_end - wpr_start); | ||
197 | } | ||
198 | |||
199 | bool gm20b_fb_debug_mode_enabled(struct gk20a *g) | ||
200 | { | ||
201 | u32 debug_ctrl = gk20a_readl(g, gr_gpcs_pri_mmu_debug_ctrl_r()); | ||
202 | return gr_gpcs_pri_mmu_debug_ctrl_debug_v(debug_ctrl) == | ||
203 | gr_gpcs_pri_mmu_debug_ctrl_debug_enabled_v(); | ||
204 | } | ||
205 | |||
206 | void gm20b_fb_set_debug_mode(struct gk20a *g, bool enable) | ||
207 | { | ||
208 | u32 reg_val, fb_debug_ctrl, gpc_debug_ctrl; | ||
209 | |||
210 | if (enable) { | ||
211 | fb_debug_ctrl = fb_mmu_debug_ctrl_debug_enabled_f(); | ||
212 | gpc_debug_ctrl = gr_gpcs_pri_mmu_debug_ctrl_debug_enabled_f(); | ||
213 | g->mmu_debug_ctrl = true; | ||
214 | } else { | ||
215 | fb_debug_ctrl = fb_mmu_debug_ctrl_debug_disabled_f(); | ||
216 | gpc_debug_ctrl = gr_gpcs_pri_mmu_debug_ctrl_debug_disabled_f(); | ||
217 | g->mmu_debug_ctrl = false; | ||
218 | } | ||
219 | |||
220 | reg_val = gk20a_readl(g, fb_mmu_debug_ctrl_r()); | ||
221 | reg_val = set_field(reg_val, | ||
222 | fb_mmu_debug_ctrl_debug_m(), fb_debug_ctrl); | ||
223 | gk20a_writel(g, fb_mmu_debug_ctrl_r(), reg_val); | ||
224 | |||
225 | reg_val = gk20a_readl(g, gr_gpcs_pri_mmu_debug_ctrl_r()); | ||
226 | reg_val = set_field(reg_val, | ||
227 | gr_gpcs_pri_mmu_debug_ctrl_debug_m(), gpc_debug_ctrl); | ||
228 | gk20a_writel(g, gr_gpcs_pri_mmu_debug_ctrl_r(), reg_val); | ||
229 | } | ||