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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v3_1.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/psp_v3_1.c417
1 files changed, 417 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
new file mode 100644
index 000000000..01f3bcc62
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c
@@ -0,0 +1,417 @@
+/*
+ * Copyright 2016 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.
+ *
+ * Author: Huang Rui
+ *
+ */
+
+#include <linux/firmware.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "amdgpu.h"
+#include "amdgpu_psp.h"
+#include "amdgpu_ucode.h"
+#include "soc15_common.h"
+#include "psp_v3_1.h"
+
+#include "mp/mp_9_0_offset.h"
+#include "mp/mp_9_0_sh_mask.h"
+#include "gc/gc_9_0_offset.h"
+#include "sdma0/sdma0_4_0_offset.h"
+#include "nbio/nbio_6_1_offset.h"
+
+#include "oss/osssys_4_0_offset.h"
+#include "oss/osssys_4_0_sh_mask.h"
+
+MODULE_FIRMWARE("amdgpu/vega10_sos.bin");
+MODULE_FIRMWARE("amdgpu/vega10_asd.bin");
+MODULE_FIRMWARE("amdgpu/vega10_cap.bin");
+MODULE_FIRMWARE("amdgpu/vega12_sos.bin");
+MODULE_FIRMWARE("amdgpu/vega12_asd.bin");
+
+
+#define smnMP1_FIRMWARE_FLAGS 0x3010028
+
+static int psp_v3_1_ring_stop(struct psp_context *psp,
+ enum psp_ring_type ring_type);
+
+static int psp_v3_1_init_microcode(struct psp_context *psp)
+{
+ struct amdgpu_device *adev = psp->adev;
+ const char *chip_name;
+ int err = 0;
+
+ DRM_DEBUG("\n");
+
+ switch (adev->asic_type) {
+ case CHIP_VEGA10:
+ chip_name = "vega10";
+ break;
+ case CHIP_VEGA12:
+ chip_name = "vega12";
+ break;
+ default: BUG();
+ }
+
+ err = psp_init_sos_microcode(psp, chip_name);
+ if (err)
+ return err;
+
+ err = psp_init_asd_microcode(psp, chip_name);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static int psp_v3_1_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)
+ 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;
+
+ /* Copy PSP System Driver binary to memory */
+ psp_copy_fw(psp, psp->sys.start_addr, psp->sys.size_bytes);
+
+ /* 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 = PSP_BL__LOAD_SYSDRV;
+ 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_v3_1_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;
+
+ /* Copy Secure OS binary to PSP memory */
+ psp_copy_fw(psp, psp->sos.start_addr, psp->sos.size_bytes);
+
+ /* 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 = PSP_BL__LOAD_SOSDRV;
+ 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 int psp_v3_1_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;
+
+ 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 void psp_v3_1_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_v3_1_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;
+
+ psp_v3_1_reroute_ih(psp);
+
+ if (amdgpu_sriov_vf(adev)) {
+ ring->ring_wptr = 0;
+ ret = psp_v3_1_ring_stop(psp, ring_type);
+ if (ret) {
+ DRM_ERROR("psp_v3_1_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, 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);
+ /* No size initialization for sriov */
+ /* Write the ring initialization command to C2PMSG_101 */
+ psp_ring_reg = ring_type;
+ psp_ring_reg = psp_ring_reg << 16;
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, psp_ring_reg);
+
+ /* there might be hardware handshake issue 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 hardware handshake issue 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_v3_1_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 (amdgpu_sriov_vf(adev))
+ 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 (amdgpu_sriov_vf(adev))
+ 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_v3_1_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_v3_1_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 bool psp_v3_1_smu_reload_quirk(struct psp_context *psp)
+{
+ struct amdgpu_device *adev = psp->adev;
+ uint32_t reg;
+
+ reg = RREG32_PCIE(smnMP1_FIRMWARE_FLAGS | 0x03b00000);
+ return (reg & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) ? true : false;
+}
+
+static int psp_v3_1_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 uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp)
+{
+ uint32_t data;
+ struct amdgpu_device *adev = psp->adev;
+
+ if (amdgpu_sriov_vf(adev))
+ data = psp->km_ring.ring_wptr;
+ else
+ data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+ return data;
+}
+
+static void psp_v3_1_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, mmMP0_SMN_C2PMSG_102, value);
+ /* send interrupt to PSP for SRIOV ring write pointer update */
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101,
+ GFX_CTRL_CMD_ID_CONSUME_CMD);
+ psp->km_ring.ring_wptr = value;
+ } else
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
+}
+
+static const struct psp_funcs psp_v3_1_funcs = {
+ .init_microcode = psp_v3_1_init_microcode,
+ .bootloader_load_sysdrv = psp_v3_1_bootloader_load_sysdrv,
+ .bootloader_load_sos = psp_v3_1_bootloader_load_sos,
+ .ring_init = psp_v3_1_ring_init,
+ .ring_create = psp_v3_1_ring_create,
+ .ring_stop = psp_v3_1_ring_stop,
+ .ring_destroy = psp_v3_1_ring_destroy,
+ .smu_reload_quirk = psp_v3_1_smu_reload_quirk,
+ .mode1_reset = psp_v3_1_mode1_reset,
+ .ring_get_wptr = psp_v3_1_ring_get_wptr,
+ .ring_set_wptr = psp_v3_1_ring_set_wptr,
+};
+
+void psp_v3_1_set_psp_funcs(struct psp_context *psp)
+{
+ psp->funcs = &psp_v3_1_funcs;
+}