From: Aaron Liu <aaron....@amd.com>

1. Add psp ip block
2. Use direct loading type by default and it can also config psp
   loading type.
3. Bypass sos fw loading and xgmi&ras interface

v2: drop TA loading

Signed-off-by: Aaron Liu <aaron....@amd.com>
Reviewed-by: Huang Rui <ray.hu...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/Makefile       |   3 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c   |  13 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h   |   1 +
 drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c |   7 +-
 drivers/gpu/drm/amd/amdgpu/psp_v12_0.c    | 565 ++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/psp_v12_0.h    |  30 ++
 drivers/gpu/drm/amd/amdgpu/soc15.c        |   2 +
 7 files changed, 619 insertions(+), 2 deletions(-)
 create mode 100644 drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
 create mode 100644 drivers/gpu/drm/amd/amdgpu/psp_v12_0.h

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile 
b/drivers/gpu/drm/amd/amdgpu/Makefile
index 8afa0bceb460..8957d8df8bea 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -100,7 +100,8 @@ amdgpu-y += \
        amdgpu_psp.o \
        psp_v3_1.o \
        psp_v10_0.o \
-       psp_v11_0.o
+       psp_v11_0.o \
+       psp_v12_0.o
 
 # add SMC block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 4ad9d36653b9..4bc8b5377755 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -32,6 +32,7 @@
 #include "psp_v3_1.h"
 #include "psp_v10_0.h"
 #include "psp_v11_0.h"
+#include "psp_v12_0.h"
 
 static void psp_set_funcs(struct amdgpu_device *adev);
 
@@ -63,6 +64,9 @@ static int psp_early_init(void *handle)
                psp_v11_0_set_psp_funcs(psp);
                psp->autoload_supported = true;
                break;
+       case CHIP_RENOIR:
+               psp_v12_0_set_psp_funcs(psp);
+               break;
        default:
                return -EINVAL;
        }
@@ -1358,3 +1362,12 @@ const struct amdgpu_ip_block_version psp_v11_0_ip_block =
        .rev = 0,
        .funcs = &psp_ip_funcs,
 };
+
+const struct amdgpu_ip_block_version psp_v12_0_ip_block =
+{
+       .type = AMD_IP_BLOCK_TYPE_PSP,
+       .major = 12,
+       .minor = 0,
+       .rev = 0,
+       .funcs = &psp_ip_funcs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index e0fc2a790e53..0029fa2b2ff9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -270,6 +270,7 @@ extern int psp_wait_for(struct psp_context *psp, uint32_t 
reg_index,
                        uint32_t field_val, uint32_t mask, bool check_changed);
 
 extern const struct amdgpu_ip_block_version psp_v10_0_ip_block;
+extern const struct amdgpu_ip_block_version psp_v12_0_ip_block;
 
 int psp_gpu_reset(struct amdgpu_device *adev);
 int psp_update_vcn_sram(struct amdgpu_device *adev, int inst_idx,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
index f6bce50e2b09..ee6a9bee8f08 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.c
@@ -368,8 +368,13 @@ amdgpu_ucode_get_load_type(struct amdgpu_device *adev, int 
load_type)
                else
                        return AMDGPU_FW_LOAD_PSP;
        case CHIP_ARCTURUS:
-       case CHIP_RENOIR:
                return AMDGPU_FW_LOAD_DIRECT;
+       case CHIP_RENOIR:
+               if (load_type == AMDGPU_FW_LOAD_PSP)
+                       return AMDGPU_FW_LOAD_PSP;
+               else
+                       return AMDGPU_FW_LOAD_DIRECT;
+
        default:
                DRM_ERROR("Unknown firmware load type\n");
        }
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c 
b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
new file mode 100644
index 000000000000..f37b8af4b986
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.c
@@ -0,0 +1,565 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/firmware.h>
+#include "amdgpu.h"
+#include "amdgpu_psp.h"
+#include "amdgpu_ucode.h"
+#include "soc15_common.h"
+#include "psp_v12_0.h"
+
+#include "mp/mp_12_0_0_offset.h"
+#include "mp/mp_12_0_0_sh_mask.h"
+#include "gc/gc_9_0_offset.h"
+#include "sdma0/sdma0_4_0_offset.h"
+#include "nbio/nbio_7_4_offset.h"
+
+#include "oss/osssys_4_0_offset.h"
+#include "oss/osssys_4_0_sh_mask.h"
+
+MODULE_FIRMWARE("amdgpu/renoir_asd.bin");
+/* address block */
+#define smnMP1_FIRMWARE_FLAGS          0x3010024
+
+static int psp_v12_0_init_microcode(struct psp_context *psp)
+{
+       struct amdgpu_device *adev = psp->adev;
+       const char *chip_name;
+       char fw_name[30];
+       int err = 0;
+       const struct psp_firmware_header_v1_0 *asd_hdr;
+
+       DRM_DEBUG("\n");
+
+       switch (adev->asic_type) {
+       case CHIP_RENOIR:
+               chip_name = "renoir";
+               break;
+       default:
+               BUG();
+       }
+
+       snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
+       err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
+       if (err)
+               goto out1;
+
+       err = amdgpu_ucode_validate(adev->psp.asd_fw);
+       if (err)
+               goto out1;
+
+       asd_hdr = (const struct psp_firmware_header_v1_0 
*)adev->psp.asd_fw->data;
+       adev->psp.asd_fw_version = le32_to_cpu(asd_hdr->header.ucode_version);
+       adev->psp.asd_feature_version = 
le32_to_cpu(asd_hdr->ucode_feature_version);
+       adev->psp.asd_ucode_size = 
le32_to_cpu(asd_hdr->header.ucode_size_bytes);
+       adev->psp.asd_start_addr = (uint8_t *)asd_hdr +
+                               
le32_to_cpu(asd_hdr->header.ucode_array_offset_bytes);
+
+       return 0;
+
+out1:
+       release_firmware(adev->psp.asd_fw);
+       adev->psp.asd_fw = NULL;
+
+       return err;
+}
+
+static int psp_v12_0_bootloader_load_sysdrv(struct psp_context *psp)
+{
+       int ret;
+       uint32_t psp_gfxdrv_command_reg = 0;
+       struct amdgpu_device *adev = psp->adev;
+       uint32_t sol_reg;
+
+       /* Check sOS sign of life register to confirm sys driver and sOS
+        * are already been loaded.
+        */
+       sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
+       if (sol_reg) {
+               psp->sos_fw_version = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_58);
+               printk("sos fw version = 0x%x.\n", psp->sos_fw_version);
+               return 0;
+       }
+
+       /* Wait for bootloader to signify that is ready having bit 31 of 
C2PMSG_35 set to 1 */
+       ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
+                          0x80000000, 0x80000000, false);
+       if (ret)
+               return ret;
+
+       memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+
+       /* Copy PSP System Driver binary to memory */
+       memcpy(psp->fw_pri_buf, psp->sys_start_addr, psp->sys_bin_size);
+
+       /* Provide the sys driver to bootloader */
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
+              (uint32_t)(psp->fw_pri_mc_addr >> 20));
+       psp_gfxdrv_command_reg = 1 << 16;
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
+              psp_gfxdrv_command_reg);
+
+       /* there might be handshake issue with hardware which needs delay */
+       mdelay(20);
+
+       ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
+                          0x80000000, 0x80000000, false);
+
+       return ret;
+}
+
+static int psp_v12_0_bootloader_load_sos(struct psp_context *psp)
+{
+       int ret;
+       unsigned int psp_gfxdrv_command_reg = 0;
+       struct amdgpu_device *adev = psp->adev;
+       uint32_t sol_reg;
+
+       /* Check sOS sign of life register to confirm sys driver and sOS
+        * are already been loaded.
+        */
+       sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
+       if (sol_reg)
+               return 0;
+
+       /* Wait for bootloader to signify that is ready having bit 31 of 
C2PMSG_35 set to 1 */
+       ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35),
+                          0x80000000, 0x80000000, false);
+       if (ret)
+               return ret;
+
+       memset(psp->fw_pri_buf, 0, PSP_1_MEG);
+
+       /* Copy Secure OS binary to PSP memory */
+       memcpy(psp->fw_pri_buf, psp->sos_start_addr, psp->sos_bin_size);
+
+       /* Provide the PSP secure OS to bootloader */
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36,
+              (uint32_t)(psp->fw_pri_mc_addr >> 20));
+       psp_gfxdrv_command_reg = 2 << 16;
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35,
+              psp_gfxdrv_command_reg);
+
+       /* there might be handshake issue with hardware which needs delay */
+       mdelay(20);
+       ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_81),
+                          RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81),
+                          0, true);
+
+       return ret;
+}
+
+static void psp_v12_0_reroute_ih(struct psp_context *psp)
+{
+       struct amdgpu_device *adev = psp->adev;
+       uint32_t tmp;
+
+       /* Change IH ring for VMC */
+       tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1244b);
+       tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, CLIENT_TYPE, 1);
+       tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
+
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 3);
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
+
+       mdelay(20);
+       psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
+                    0x80000000, 0x8000FFFF, false);
+
+       /* Change IH ring for UMC */
+       tmp = REG_SET_FIELD(0, IH_CLIENT_CFG_DATA, CREDIT_RETURN_ADDR, 0x1216b);
+       tmp = REG_SET_FIELD(tmp, IH_CLIENT_CFG_DATA, RING_ID, 1);
+
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, 4);
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, tmp);
+       WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_GBR_IH_SET);
+
+       mdelay(20);
+       psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
+                    0x80000000, 0x8000FFFF, false);
+}
+
+static int psp_v12_0_ring_init(struct psp_context *psp,
+                             enum psp_ring_type ring_type)
+{
+       int ret = 0;
+       struct psp_ring *ring;
+       struct amdgpu_device *adev = psp->adev;
+
+       psp_v12_0_reroute_ih(psp);
+
+       ring = &psp->km_ring;
+
+       ring->ring_type = ring_type;
+
+       /* allocate 4k Page of Local Frame Buffer memory for ring */
+       ring->ring_size = 0x1000;
+       ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
+                                     AMDGPU_GEM_DOMAIN_VRAM,
+                                     &adev->firmware.rbuf,
+                                     &ring->ring_mem_mc_addr,
+                                     (void **)&ring->ring_mem);
+       if (ret) {
+               ring->ring_size = 0;
+               return ret;
+       }
+
+       return 0;
+}
+
+static bool psp_v12_0_support_vmr_ring(struct psp_context *psp)
+{
+       if (amdgpu_sriov_vf(psp->adev) && psp->sos_fw_version > 0x80045)
+               return true;
+       return false;
+}
+
+static int psp_v12_0_ring_create(struct psp_context *psp,
+                               enum psp_ring_type ring_type)
+{
+       int ret = 0;
+       unsigned int psp_ring_reg = 0;
+       struct psp_ring *ring = &psp->km_ring;
+       struct amdgpu_device *adev = psp->adev;
+
+       if (psp_v12_0_support_vmr_ring(psp)) {
+               /* Write low address of the ring to C2PMSG_102 */
+               psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_ring_reg);
+               /* Write high address of the ring to C2PMSG_103 */
+               psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_103, psp_ring_reg);
+
+               /* Write the ring initialization command to C2PMSG_101 */
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
+                                            GFX_CTRL_CMD_ID_INIT_GPCOM_RING);
+
+               /* there might be handshake issue with hardware which needs 
delay */
+               mdelay(20);
+
+               /* Wait for response flag (bit 31) in C2PMSG_101 */
+               ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, 
mmMP0_SMN_C2PMSG_101),
+                                  0x80000000, 0x8000FFFF, false);
+
+       } else {
+               /* Write low address of the ring to C2PMSG_69 */
+               psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
+               /* Write high address of the ring to C2PMSG_70 */
+               psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
+               /* Write size of ring to C2PMSG_71 */
+               psp_ring_reg = ring->ring_size;
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
+               /* Write the ring initialization command to C2PMSG_64 */
+               psp_ring_reg = ring_type;
+               psp_ring_reg = psp_ring_reg << 16;
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
+
+               /* there might be handshake issue with hardware which needs 
delay */
+               mdelay(20);
+
+               /* Wait for response flag (bit 31) in C2PMSG_64 */
+               ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, 
mmMP0_SMN_C2PMSG_64),
+                                  0x80000000, 0x8000FFFF, false);
+       }
+
+       return ret;
+}
+
+static int psp_v12_0_ring_stop(struct psp_context *psp,
+                             enum psp_ring_type ring_type)
+{
+       int ret = 0;
+       struct amdgpu_device *adev = psp->adev;
+
+       /* Write the ring destroy command*/
+       if (psp_v12_0_support_vmr_ring(psp))
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
+                                    GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
+       else
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64,
+                                    GFX_CTRL_CMD_ID_DESTROY_RINGS);
+
+       /* there might be handshake issue with hardware which needs delay */
+       mdelay(20);
+
+       /* Wait for response flag (bit 31) */
+       if (psp_v12_0_support_vmr_ring(psp))
+               ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, 
mmMP0_SMN_C2PMSG_101),
+                                  0x80000000, 0x80000000, false);
+       else
+               ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, 
mmMP0_SMN_C2PMSG_64),
+                                  0x80000000, 0x80000000, false);
+
+       return ret;
+}
+
+static int psp_v12_0_ring_destroy(struct psp_context *psp,
+                                enum psp_ring_type ring_type)
+{
+       int ret = 0;
+       struct psp_ring *ring = &psp->km_ring;
+       struct amdgpu_device *adev = psp->adev;
+
+       ret = psp_v12_0_ring_stop(psp, ring_type);
+       if (ret)
+               DRM_ERROR("Fail to stop psp ring\n");
+
+       amdgpu_bo_free_kernel(&adev->firmware.rbuf,
+                             &ring->ring_mem_mc_addr,
+                             (void **)&ring->ring_mem);
+
+       return ret;
+}
+
+static int psp_v12_0_cmd_submit(struct psp_context *psp,
+                              struct amdgpu_firmware_info *ucode,
+                              uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
+                              int index)
+{
+       unsigned int psp_write_ptr_reg = 0;
+       struct psp_gfx_rb_frame *write_frame = psp->km_ring.ring_mem;
+       struct psp_ring *ring = &psp->km_ring;
+       struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
+       struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
+               ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
+       struct amdgpu_device *adev = psp->adev;
+       uint32_t ring_size_dw = ring->ring_size / 4;
+       uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
+
+       /* KM (GPCOM) prepare write pointer */
+       if (psp_v12_0_support_vmr_ring(psp))
+               psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102);
+       else
+               psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+
+       /* Update KM RB frame pointer to new frame */
+       /* write_frame ptr increments by size of rb_frame in bytes */
+       /* psp_write_ptr_reg increments by size of rb_frame in DWORDs */
+       if ((psp_write_ptr_reg % ring_size_dw) == 0)
+               write_frame = ring_buffer_start;
+       else
+               write_frame = ring_buffer_start + (psp_write_ptr_reg / 
rb_frame_size_dw);
+       /* Check invalid write_frame ptr address */
+       if ((write_frame < ring_buffer_start) || (ring_buffer_end < 
write_frame)) {
+               DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; 
write_frame = %p\n",
+                         ring_buffer_start, ring_buffer_end, write_frame);
+               DRM_ERROR("write_frame is pointing to address out of bounds\n");
+               return -EINVAL;
+       }
+
+       /* Initialize KM RB frame */
+       memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
+
+       /* Update KM RB frame */
+       write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
+       write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
+       write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
+       write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
+       write_frame->fence_value = index;
+
+       /* Update the write Pointer in DWORDs */
+       psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % 
ring_size_dw;
+       if (psp_v12_0_support_vmr_ring(psp)) {
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, psp_write_ptr_reg);
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, 
GFX_CTRL_CMD_ID_CONSUME_CMD);
+       } else
+               WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
+
+       return 0;
+}
+
+static int
+psp_v12_0_sram_map(struct amdgpu_device *adev,
+                 unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
+                 unsigned int *sram_data_reg_offset,
+                 enum AMDGPU_UCODE_ID ucode_id)
+{
+       int ret = 0;
+
+       switch (ucode_id) {
+/* TODO: needs to confirm */
+#if 0
+       case AMDGPU_UCODE_ID_SMC:
+               *sram_offset = 0;
+               *sram_addr_reg_offset = 0;
+               *sram_data_reg_offset = 0;
+               break;
+#endif
+
+       case AMDGPU_UCODE_ID_CP_CE:
+               *sram_offset = 0x0;
+               *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_CE_UCODE_ADDR);
+               *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_CE_UCODE_DATA);
+               break;
+
+       case AMDGPU_UCODE_ID_CP_PFP:
+               *sram_offset = 0x0;
+               *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_PFP_UCODE_ADDR);
+               *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_PFP_UCODE_DATA);
+               break;
+
+       case AMDGPU_UCODE_ID_CP_ME:
+               *sram_offset = 0x0;
+               *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_HYP_ME_UCODE_ADDR);
+               *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_HYP_ME_UCODE_DATA);
+               break;
+
+       case AMDGPU_UCODE_ID_CP_MEC1:
+               *sram_offset = 0x10000;
+               *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_MEC_ME1_UCODE_ADDR);
+               *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_MEC_ME1_UCODE_DATA);
+               break;
+
+       case AMDGPU_UCODE_ID_CP_MEC2:
+               *sram_offset = 0x10000;
+               *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_HYP_MEC2_UCODE_ADDR);
+               *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmCP_HYP_MEC2_UCODE_DATA);
+               break;
+
+       case AMDGPU_UCODE_ID_RLC_G:
+               *sram_offset = 0x2000;
+               *sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmRLC_GPM_UCODE_ADDR);
+               *sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, 
mmRLC_GPM_UCODE_DATA);
+               break;
+
+       case AMDGPU_UCODE_ID_SDMA0:
+               *sram_offset = 0x0;
+               *sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, 
mmSDMA0_UCODE_ADDR);
+               *sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, 
mmSDMA0_UCODE_DATA);
+               break;
+
+/* TODO: needs to confirm */
+#if 0
+       case AMDGPU_UCODE_ID_SDMA1:
+               *sram_offset = ;
+               *sram_addr_reg_offset = ;
+               break;
+
+       case AMDGPU_UCODE_ID_UVD:
+               *sram_offset = ;
+               *sram_addr_reg_offset = ;
+               break;
+
+       case AMDGPU_UCODE_ID_VCE:
+               *sram_offset = ;
+               *sram_addr_reg_offset = ;
+               break;
+#endif
+
+       case AMDGPU_UCODE_ID_MAXIMUM:
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+static bool psp_v12_0_compare_sram_data(struct psp_context *psp,
+                                      struct amdgpu_firmware_info *ucode,
+                                      enum AMDGPU_UCODE_ID ucode_type)
+{
+       int err = 0;
+       unsigned int fw_sram_reg_val = 0;
+       unsigned int fw_sram_addr_reg_offset = 0;
+       unsigned int fw_sram_data_reg_offset = 0;
+       unsigned int ucode_size;
+       uint32_t *ucode_mem = NULL;
+       struct amdgpu_device *adev = psp->adev;
+
+       err = psp_v12_0_sram_map(adev, &fw_sram_reg_val, 
&fw_sram_addr_reg_offset,
+                               &fw_sram_data_reg_offset, ucode_type);
+       if (err)
+               return false;
+
+       WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
+
+       ucode_size = ucode->ucode_size;
+       ucode_mem = (uint32_t *)ucode->kaddr;
+       while (ucode_size) {
+               fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
+
+               if (*ucode_mem != fw_sram_reg_val)
+                       return false;
+
+               ucode_mem++;
+               /* 4 bytes */
+               ucode_size -= 4;
+       }
+
+       return true;
+}
+
+static int psp_v12_0_mode1_reset(struct psp_context *psp)
+{
+       int ret;
+       uint32_t offset;
+       struct amdgpu_device *adev = psp->adev;
+
+       offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64);
+
+       ret = psp_wait_for(psp, offset, 0x80000000, 0x8000FFFF, false);
+
+       if (ret) {
+               DRM_INFO("psp is not working correctly before mode1 reset!\n");
+               return -EINVAL;
+       }
+
+       /*send the mode 1 reset command*/
+       WREG32(offset, GFX_CTRL_CMD_ID_MODE1_RST);
+
+       msleep(500);
+
+       offset = SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_33);
+
+       ret = psp_wait_for(psp, offset, 0x80000000, 0x80000000, false);
+
+       if (ret) {
+               DRM_INFO("psp mode 1 reset failed!\n");
+               return -EINVAL;
+       }
+
+       DRM_INFO("psp mode1 reset succeed \n");
+
+       return 0;
+}
+
+static const struct psp_funcs psp_v12_0_funcs = {
+       .init_microcode = psp_v12_0_init_microcode,
+       .bootloader_load_sysdrv = psp_v12_0_bootloader_load_sysdrv,
+       .bootloader_load_sos = psp_v12_0_bootloader_load_sos,
+       .ring_init = psp_v12_0_ring_init,
+       .ring_create = psp_v12_0_ring_create,
+       .ring_stop = psp_v12_0_ring_stop,
+       .ring_destroy = psp_v12_0_ring_destroy,
+       .cmd_submit = psp_v12_0_cmd_submit,
+       .compare_sram_data = psp_v12_0_compare_sram_data,
+       .mode1_reset = psp_v12_0_mode1_reset,
+};
+
+void psp_v12_0_set_psp_funcs(struct psp_context *psp)
+{
+       psp->funcs = &psp_v12_0_funcs;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v12_0.h 
b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.h
new file mode 100644
index 000000000000..241693ab1990
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v12_0.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2019 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#ifndef __PSP_V12_0_H__
+#define __PSP_V12_0_H__
+
+#include "amdgpu_psp.h"
+
+void psp_v12_0_set_psp_funcs(struct psp_context *psp);
+
+#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c 
b/drivers/gpu/drm/amd/amdgpu/soc15.c
index 90b40cc4f6b1..5c1fdbc10bb3 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -747,6 +747,8 @@ int soc15_set_ip_blocks(struct amdgpu_device *adev)
                amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
                amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
                amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
+               if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
+                       amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
                amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
                amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
                if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
-- 
2.20.1

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