drm/amdgpu: Enable support for PSP 15_0_0

Add support for PSP v 15.0.0.

Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

6 files changed, 254 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 0356b2ff559b..bf4b5d429f00 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -136,6 +136,7 @@ amdgpu-y += \
 	psp_v13_0.o \
 	psp_v13_0_4.o \
 	psp_v14_0.o \
+	psp_v15_0.o \
 	psp_v15_0_8.o
 
 # add DCE block
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 43e6216ca30f..43fde853a398 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -2168,6 +2168,9 @@ static int amdgpu_discovery_set_psp_ip_blocks(struct amdgpu_device *adev)
 	case IP_VERSION(14, 0, 5):
 		amdgpu_device_ip_block_add(adev, &psp_v14_0_ip_block);
 		break;
+	case IP_VERSION(15, 0, 0):
+		amdgpu_device_ip_block_add(adev, &psp_v15_0_ip_block);
+		break;
 	case IP_VERSION(15, 0, 8):
 		amdgpu_device_ip_block_add(adev, &psp_v15_0_8_ip_block);
 		break;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index 8b4c1775def3..2dc8c6a2a2ad 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -39,6 +39,7 @@
 #include "psp_v13_0.h"
 #include "psp_v13_0_4.h"
 #include "psp_v14_0.h"
+#include "psp_v15_0.h"
 #include "psp_v15_0_8.h"
 
 #include "amdgpu_ras.h"
@@ -260,6 +261,10 @@ static int psp_early_init(struct amdgpu_ip_block *ip_block)
 		psp_v14_0_set_psp_funcs(psp);
 		psp->boot_time_tmr = false;
 		break;
+	case IP_VERSION(15, 0, 0):
+		psp_v15_0_0_set_psp_funcs(psp);
+		psp->boot_time_tmr = false;
+		break;
 	case IP_VERSION(15, 0, 8):
 		psp_v15_0_8_set_psp_funcs(psp);
 		break;
@@ -905,6 +910,7 @@ static bool psp_skip_tmr(struct psp_context *psp)
 	case IP_VERSION(13, 0, 10):
 	case IP_VERSION(13, 0, 12):
 	case IP_VERSION(13, 0, 14):
+	case IP_VERSION(15, 0, 0):
 	case IP_VERSION(15, 0, 8):
 		return true;
 	default:
@@ -2927,7 +2933,7 @@ static int psp_prep_load_ip_fw_cmd_buf(struct psp_context *psp,
 
 	ret = psp_get_fw_type(psp, ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
 	if (ret)
-		dev_err(psp->adev->dev, "Unknown firmware type\n");
+		dev_err(psp->adev->dev, "Unknown firmware type %d\n", ucode->ucode_id);
 	return ret;
 }
 
@@ -3092,6 +3098,8 @@ static int psp_load_non_psp_fw(struct psp_context *psp)
 		     amdgpu_ip_version(adev, MP0_HWIP, 0) ==
 			     IP_VERSION(11, 0, 12) ||
 		     amdgpu_ip_version(adev, MP0_HWIP, 0) ==
+			     IP_VERSION(15, 0, 0) ||
+		     amdgpu_ip_version(adev, MP0_HWIP, 0) ==
 			     IP_VERSION(15, 0, 8)) &&
 		    (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1 ||
 		     ucode->ucode_id == AMDGPU_UCODE_ID_SDMA2 ||
@@ -4547,6 +4555,14 @@ const struct amdgpu_ip_block_version psp_v14_0_ip_block = {
 	.funcs = &psp_ip_funcs,
 };
 
+const struct amdgpu_ip_block_version psp_v15_0_ip_block = {
+	.type = AMD_IP_BLOCK_TYPE_PSP,
+	.major = 15,
+	.minor = 0,
+	.rev = 0,
+	.funcs = &psp_ip_funcs,
+};
+
 const struct amdgpu_ip_block_version psp_v15_0_8_ip_block = {
 	.type = AMD_IP_BLOCK_TYPE_PSP,
 	.major = 15,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index 973998a2dc95..79a49cba8d40 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -540,6 +540,7 @@ extern const struct amdgpu_ip_block_version psp_v12_0_ip_block;
 extern const struct amdgpu_ip_block_version psp_v13_0_ip_block;
 extern const struct amdgpu_ip_block_version psp_v13_0_4_ip_block;
 extern const struct amdgpu_ip_block_version psp_v14_0_ip_block;
+extern const struct amdgpu_ip_block_version psp_v15_0_ip_block;
 extern const struct amdgpu_ip_block_version psp_v15_0_8_ip_block;
 
 int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v15_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v15_0.c
new file mode 100644
index 000000000000..3aca293e2f0c
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v15_0.c
@@ -0,0 +1,202 @@
+/*
+ * Copyright 2025 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 <drm/drm_drv.h>
+#include <linux/vmalloc.h>
+#include "amdgpu.h"
+#include "amdgpu_psp.h"
+#include "amdgpu_ucode.h"
+#include "soc15_common.h"
+#include "psp_v15_0.h"
+
+#include "mp/mp_15_0_0_offset.h"
+#include "mp/mp_15_0_0_sh_mask.h"
+
+MODULE_FIRMWARE("amdgpu/psp_15_0_0_toc.bin");
+
+static int psp_v15_0_0_init_microcode(struct psp_context *psp)
+{
+	struct amdgpu_device *adev = psp->adev;
+	char ucode_prefix[30];
+	int err = 0;
+
+	amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
+
+	err = psp_init_toc_microcode(psp, ucode_prefix);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static int psp_v15_0_0_ring_stop(struct psp_context *psp,
+			       enum psp_ring_type ring_type)
+{
+	int ret = 0;
+	struct amdgpu_device *adev = psp->adev;
+
+	if (amdgpu_sriov_vf(adev)) {
+		/* Write the ring destroy command*/
+		WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
+			     GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING);
+		/* there might be handshake issue with hardware which needs delay */
+		mdelay(20);
+		/* Wait for response flag (bit 31) */
+		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_101),
+				   0x80000000, 0x80000000, false);
+	} else {
+		/* Write the ring destroy command*/
+		WREG32_SOC15(MP0, 0, regMPASP_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) */
+		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
+				   0x80000000, 0x80000000, false);
+	}
+
+	return ret;
+}
+
+static int psp_v15_0_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 (amdgpu_sriov_vf(adev)) {
+		ret = psp_v15_0_0_ring_stop(psp, ring_type);
+		if (ret) {
+			DRM_ERROR("psp_v14_0_ring_stop_sriov failed!\n");
+			return ret;
+		}
+
+		/* Write low address of the ring to C2PMSG_102 */
+		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
+		WREG32_SOC15(MP0, 0, regMPASP_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, regMPASP_SMN_C2PMSG_103, psp_ring_reg);
+
+		/* Write the ring initialization command to C2PMSG_101 */
+		WREG32_SOC15(MP0, 0, regMPASP_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, regMPASP_SMN_C2PMSG_101),
+				   0x80000000, 0x8000FFFF, false);
+
+	} else {
+		/* Wait for sOS ready for ring creation */
+		ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMPASP_SMN_C2PMSG_64),
+				   0x80000000, 0x80000000, false);
+		if (ret) {
+			DRM_ERROR("Failed to wait for trust OS ready for ring creation\n");
+			return ret;
+		}
+
+		/* Write low address of the ring to C2PMSG_69 */
+		psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
+		WREG32_SOC15(MP0, 0, regMPASP_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, regMPASP_SMN_C2PMSG_70, psp_ring_reg);
+		/* Write size of ring to C2PMSG_71 */
+		psp_ring_reg = ring->ring_size;
+		WREG32_SOC15(MP0, 0, regMPASP_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, regMPASP_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, regMPASP_SMN_C2PMSG_64),
+				   0x80000000, 0x8000FFFF, false);
+	}
+
+	return ret;
+}
+
+static int psp_v15_0_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_v15_0_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 uint32_t psp_v15_0_0_ring_get_wptr(struct psp_context *psp)
+{
+	uint32_t data;
+	struct amdgpu_device *adev = psp->adev;
+
+	if (amdgpu_sriov_vf(adev))
+		data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102);
+	else
+		data = RREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67);
+
+	return data;
+}
+
+static void psp_v15_0_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
+{
+	struct amdgpu_device *adev = psp->adev;
+
+	if (amdgpu_sriov_vf(adev)) {
+		WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_102, value);
+		WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_101,
+			     GFX_CTRL_CMD_ID_CONSUME_CMD);
+	} else
+		WREG32_SOC15(MP0, 0, regMPASP_SMN_C2PMSG_67, value);
+}
+
+static const struct psp_funcs psp_v15_0_0_funcs = {
+	.init_microcode = psp_v15_0_0_init_microcode,
+	.ring_create = psp_v15_0_0_ring_create,
+	.ring_stop = psp_v15_0_0_ring_stop,
+	.ring_destroy = psp_v15_0_0_ring_destroy,
+	.ring_get_wptr = psp_v15_0_0_ring_get_wptr,
+	.ring_set_wptr = psp_v15_0_0_ring_set_wptr,
+};
+
+void psp_v15_0_0_set_psp_funcs(struct psp_context *psp)
+{
+	psp->funcs = &psp_v15_0_0_funcs;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v15_0.h b/drivers/gpu/drm/amd/amdgpu/psp_v15_0.h
new file mode 100644
index 000000000000..ebd612103526
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v15_0.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2025 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_V15_0_0_H__
+#define __PSP_V15_0_0_H__
+
+#include "amdgpu_psp.h"
+
+void psp_v15_0_0_set_psp_funcs(struct psp_context *psp);
+
+#endif