2 * Copyright 2016 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
24 #include "amdgpu_atombios.h"
25 #include "nbio_v6_1.h"
27 #include "nbio/nbio_6_1_default.h"
28 #include "nbio/nbio_6_1_offset.h"
29 #include "nbio/nbio_6_1_sh_mask.h"
30 #include "vega10_enum.h"
32 #define smnCPM_CONTROL 0x11180460
33 #define smnPCIE_CNTL2 0x11180070
34 #define smnPCIE_CONFIG_CNTL 0x11180044
36 static u32 nbio_v6_1_get_rev_id(struct amdgpu_device *adev)
38 u32 tmp = RREG32_SOC15(NBIO, 0, mmRCC_DEV0_EPF0_STRAP0);
40 tmp &= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0_MASK;
41 tmp >>= RCC_DEV0_EPF0_STRAP0__STRAP_ATI_REV_ID_DEV0_F0__SHIFT;
46 static void nbio_v6_1_mc_access_enable(struct amdgpu_device *adev, bool enable)
49 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN,
50 BIF_FB_EN__FB_READ_EN_MASK |
51 BIF_FB_EN__FB_WRITE_EN_MASK);
53 WREG32_SOC15(NBIO, 0, mmBIF_FB_EN, 0);
56 static void nbio_v6_1_hdp_flush(struct amdgpu_device *adev)
58 WREG32_SOC15_NO_KIQ(NBIO, 0, mmBIF_BX_PF0_HDP_MEM_COHERENCY_FLUSH_CNTL, 0);
61 static u32 nbio_v6_1_get_memsize(struct amdgpu_device *adev)
63 return RREG32_SOC15(NBIO, 0, mmRCC_PF_0_0_RCC_CONFIG_MEMSIZE);
66 static void nbio_v6_1_sdma_doorbell_range(struct amdgpu_device *adev, int instance,
67 bool use_doorbell, int doorbell_index)
69 u32 reg = instance == 0 ? SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA0_DOORBELL_RANGE) :
70 SOC15_REG_OFFSET(NBIO, 0, mmBIF_SDMA1_DOORBELL_RANGE);
72 u32 doorbell_range = RREG32(reg);
75 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, OFFSET, doorbell_index);
76 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 2);
78 doorbell_range = REG_SET_FIELD(doorbell_range, BIF_SDMA0_DOORBELL_RANGE, SIZE, 0);
80 WREG32(reg, doorbell_range);
84 static void nbio_v6_1_enable_doorbell_aperture(struct amdgpu_device *adev,
87 WREG32_FIELD15(NBIO, 0, RCC_PF_0_0_RCC_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, enable ? 1 : 0);
90 static void nbio_v6_1_enable_doorbell_selfring_aperture(struct amdgpu_device *adev,
96 tmp = REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_EN, 1) |
97 REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_MODE, 1) |
98 REG_SET_FIELD(tmp, BIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, DOORBELL_SELFRING_GPA_APER_SIZE, 0);
100 WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_LOW,
101 lower_32_bits(adev->doorbell.base));
102 WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_BASE_HIGH,
103 upper_32_bits(adev->doorbell.base));
106 WREG32_SOC15(NBIO, 0, mmBIF_BX_PF0_DOORBELL_SELFRING_GPA_APER_CNTL, tmp);
110 static void nbio_v6_1_ih_doorbell_range(struct amdgpu_device *adev,
111 bool use_doorbell, int doorbell_index)
113 u32 ih_doorbell_range = RREG32_SOC15(NBIO, 0 , mmBIF_IH_DOORBELL_RANGE);
116 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, OFFSET, doorbell_index);
117 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 2);
119 ih_doorbell_range = REG_SET_FIELD(ih_doorbell_range, BIF_IH_DOORBELL_RANGE, SIZE, 0);
121 WREG32_SOC15(NBIO, 0, mmBIF_IH_DOORBELL_RANGE, ih_doorbell_range);
124 static void nbio_v6_1_ih_control(struct amdgpu_device *adev)
128 /* setup interrupt control */
129 WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL2, adev->dummy_page.addr >> 8);
130 interrupt_cntl = RREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL);
131 /* INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=0 - dummy read disabled with msi, enabled without msi
132 * INTERRUPT_CNTL__IH_DUMMY_RD_OVERRIDE_MASK=1 - dummy read controlled by IH_DUMMY_RD_EN
134 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_DUMMY_RD_OVERRIDE, 0);
135 /* INTERRUPT_CNTL__IH_REQ_NONSNOOP_EN_MASK=1 if ring is in non-cacheable memory, e.g., vram */
136 interrupt_cntl = REG_SET_FIELD(interrupt_cntl, INTERRUPT_CNTL, IH_REQ_NONSNOOP_EN, 0);
137 WREG32_SOC15(NBIO, 0, mmINTERRUPT_CNTL, interrupt_cntl);
140 static void nbio_v6_1_update_medium_grain_clock_gating(struct amdgpu_device *adev,
145 def = data = RREG32_PCIE(smnCPM_CONTROL);
146 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG)) {
147 data |= (CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
148 CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
149 CPM_CONTROL__TXCLK_PERM_GATE_ENABLE_MASK |
150 CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
151 CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
152 CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
153 CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
155 data &= ~(CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK |
156 CPM_CONTROL__TXCLK_DYN_GATE_ENABLE_MASK |
157 CPM_CONTROL__TXCLK_PERM_GATE_ENABLE_MASK |
158 CPM_CONTROL__TXCLK_LCNT_GATE_ENABLE_MASK |
159 CPM_CONTROL__TXCLK_REGS_GATE_ENABLE_MASK |
160 CPM_CONTROL__TXCLK_PRBS_GATE_ENABLE_MASK |
161 CPM_CONTROL__REFCLK_REGS_GATE_ENABLE_MASK);
165 WREG32_PCIE(smnCPM_CONTROL, data);
168 static void nbio_v6_1_update_medium_grain_light_sleep(struct amdgpu_device *adev,
173 def = data = RREG32_PCIE(smnPCIE_CNTL2);
174 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS)) {
175 data |= (PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
176 PCIE_CNTL2__MST_MEM_LS_EN_MASK |
177 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
179 data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
180 PCIE_CNTL2__MST_MEM_LS_EN_MASK |
181 PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
185 WREG32_PCIE(smnPCIE_CNTL2, data);
188 static void nbio_v6_1_get_clockgating_state(struct amdgpu_device *adev,
193 /* AMD_CG_SUPPORT_BIF_MGCG */
194 data = RREG32_PCIE(smnCPM_CONTROL);
195 if (data & CPM_CONTROL__LCLK_DYN_GATE_ENABLE_MASK)
196 *flags |= AMD_CG_SUPPORT_BIF_MGCG;
198 /* AMD_CG_SUPPORT_BIF_LS */
199 data = RREG32_PCIE(smnPCIE_CNTL2);
200 if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
201 *flags |= AMD_CG_SUPPORT_BIF_LS;
204 static u32 nbio_v6_1_get_hdp_flush_req_offset(struct amdgpu_device *adev)
206 return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_REQ);
209 static u32 nbio_v6_1_get_hdp_flush_done_offset(struct amdgpu_device *adev)
211 return SOC15_REG_OFFSET(NBIO, 0, mmBIF_BX_PF0_GPU_HDP_FLUSH_DONE);
214 static u32 nbio_v6_1_get_pcie_index_offset(struct amdgpu_device *adev)
216 return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_INDEX);
219 static u32 nbio_v6_1_get_pcie_data_offset(struct amdgpu_device *adev)
221 return SOC15_REG_OFFSET(NBIO, 0, mmPCIE_DATA);
224 static const struct nbio_hdp_flush_reg nbio_v6_1_hdp_flush_reg = {
225 .ref_and_mask_cp0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP0_MASK,
226 .ref_and_mask_cp1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP1_MASK,
227 .ref_and_mask_cp2 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP2_MASK,
228 .ref_and_mask_cp3 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP3_MASK,
229 .ref_and_mask_cp4 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP4_MASK,
230 .ref_and_mask_cp5 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP5_MASK,
231 .ref_and_mask_cp6 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP6_MASK,
232 .ref_and_mask_cp7 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP7_MASK,
233 .ref_and_mask_cp8 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP8_MASK,
234 .ref_and_mask_cp9 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__CP9_MASK,
235 .ref_and_mask_sdma0 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA0_MASK,
236 .ref_and_mask_sdma1 = BIF_BX_PF0_GPU_HDP_FLUSH_DONE__SDMA1_MASK
239 static void nbio_v6_1_detect_hw_virt(struct amdgpu_device *adev)
243 reg = RREG32_SOC15(NBIO, 0, mmRCC_PF_0_0_RCC_IOV_FUNC_IDENTIFIER);
245 adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF;
247 if (reg & 0x80000000)
248 adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
251 if (is_virtual_machine()) /* passthrough mode exclus sriov mod */
252 adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
256 static void nbio_v6_1_init_registers(struct amdgpu_device *adev)
260 def = data = RREG32_PCIE(smnPCIE_CONFIG_CNTL);
261 data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_MODE, 1);
262 data = REG_SET_FIELD(data, PCIE_CONFIG_CNTL, CI_SWUS_MAX_READ_REQUEST_SIZE_PRIV, 1);
265 WREG32_PCIE(smnPCIE_CONFIG_CNTL, data);
268 const struct amdgpu_nbio_funcs nbio_v6_1_funcs = {
269 .hdp_flush_reg = &nbio_v6_1_hdp_flush_reg,
270 .get_hdp_flush_req_offset = nbio_v6_1_get_hdp_flush_req_offset,
271 .get_hdp_flush_done_offset = nbio_v6_1_get_hdp_flush_done_offset,
272 .get_pcie_index_offset = nbio_v6_1_get_pcie_index_offset,
273 .get_pcie_data_offset = nbio_v6_1_get_pcie_data_offset,
274 .get_rev_id = nbio_v6_1_get_rev_id,
275 .mc_access_enable = nbio_v6_1_mc_access_enable,
276 .hdp_flush = nbio_v6_1_hdp_flush,
277 .get_memsize = nbio_v6_1_get_memsize,
278 .sdma_doorbell_range = nbio_v6_1_sdma_doorbell_range,
279 .enable_doorbell_aperture = nbio_v6_1_enable_doorbell_aperture,
280 .enable_doorbell_selfring_aperture = nbio_v6_1_enable_doorbell_selfring_aperture,
281 .ih_doorbell_range = nbio_v6_1_ih_doorbell_range,
282 .update_medium_grain_clock_gating = nbio_v6_1_update_medium_grain_clock_gating,
283 .update_medium_grain_light_sleep = nbio_v6_1_update_medium_grain_light_sleep,
284 .get_clockgating_state = nbio_v6_1_get_clockgating_state,
285 .ih_control = nbio_v6_1_ih_control,
286 .init_registers = nbio_v6_1_init_registers,
287 .detect_hw_virt = nbio_v6_1_detect_hw_virt,