From: Kenneth Feng <kenneth.feng@xxxxxxx>
support imu related function for gfx v12.
Signed-off-by: Kenneth Feng <kenneth.feng@xxxxxxx>
Signed-off-by: Likun Gao <Likun.Gao@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 3 +-
drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c | 4 +-
drivers/gpu/drm/amd/amdgpu/imu_v12_0.c | 303 +++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/imu_v12_0.h | 30 +++
4 files changed, 337 insertions(+), 3 deletions(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/imu_v12_0.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/imu_v12_0.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index a6b5cb32ddf9a..099a47b3e0496 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -168,7 +168,8 @@ amdgpu-y += \
gfx_v11_0.o \
gfx_v11_0_3.o \
imu_v11_0_3.o \
- gfx_v12_0.o
+ gfx_v12_0.o \
+ imu_v12_0.o
# add async DMA block
amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
index afb977e1dfc81..1253053d10339 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v12_0.c
@@ -30,6 +30,7 @@
#include "amdgpu_psp.h"
#include "amdgpu_smu.h"
#include "amdgpu_atomfirmware.h"
+#include "imu_v12_0.h"
#include "soc24.h"
#include "nvd.h"
@@ -4523,8 +4524,7 @@ static void gfx_v12_0_set_imu_funcs(struct amdgpu_device *adev)
else
adev->gfx.imu.mode = DEBUG_MODE;
- /* TODO */
- //adev->gfx.imu.funcs = &gfx_v12_0_imu_funcs;
+ adev->gfx.imu.funcs = &gfx_v12_0_imu_funcs;
}
static void gfx_v12_0_set_rlc_funcs(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v12_0.c b/drivers/gpu/drm/amd/amdgpu/imu_v12_0.c
new file mode 100644
index 0000000000000..be140ee4d9173
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/imu_v12_0.c
@@ -0,0 +1,303 @@
+/*
+ * Copyright 2023 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_imu.h"
+#include "amdgpu_dpm.h"
+
+#include "imu_v12_0.h"
+
+#include "gc/gc_12_0_0_offset.h"
+#include "gc/gc_12_0_0_sh_mask.h"
+
+MODULE_FIRMWARE("amdgpu/gc_12_0_1_imu.bin");
+
+static int imu_v12_0_init_microcode(struct amdgpu_device *adev)
+{
+ char fw_name[40];
+ char ucode_prefix[30];
+ int err;
+ const struct imu_firmware_header_v1_0 *imu_hdr;
+ struct amdgpu_firmware_info *info = NULL;
+
+ DRM_DEBUG("\n");
+
+ amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
+
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_imu.bin", ucode_prefix);
+ err = amdgpu_ucode_request(adev, &adev->gfx.imu_fw, fw_name);
+ if (err)
+ goto out;
+ imu_hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data;
+ adev->gfx.imu_fw_version = le32_to_cpu(imu_hdr->header.ucode_version);
+
+ if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
+ info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_I];
+ info->ucode_id = AMDGPU_UCODE_ID_IMU_I;
+ info->fw = adev->gfx.imu_fw;
+ adev->firmware.fw_size +=
+ ALIGN(le32_to_cpu(imu_hdr->imu_iram_ucode_size_bytes), PAGE_SIZE);
+ info = &adev->firmware.ucode[AMDGPU_UCODE_ID_IMU_D];
+ info->ucode_id = AMDGPU_UCODE_ID_IMU_D;
+ info->fw = adev->gfx.imu_fw;
+ adev->firmware.fw_size +=
+ ALIGN(le32_to_cpu(imu_hdr->imu_dram_ucode_size_bytes), PAGE_SIZE);
+ }
+
+out:
+ if (err) {
+ dev_err(adev->dev,
+ "gfx12: Failed to load firmware \"%s\"\n",
+ fw_name);
+ amdgpu_ucode_release(&adev->gfx.imu_fw);
+ }
+
+ return err;
+}
+
+static int imu_v12_0_load_microcode(struct amdgpu_device *adev)
+{
+ const struct imu_firmware_header_v1_0 *hdr;
+ const __le32 *fw_data;
+ unsigned i, fw_size;
+
+ if (!adev->gfx.imu_fw)
+ return -EINVAL;
+
+ hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data;
+
+ fw_data = (const __le32 *)(adev->gfx.imu_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes));
+ fw_size = le32_to_cpu(hdr->imu_iram_ucode_size_bytes) / 4;
+
+ WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_ADDR, 0);
+
+ for (i = 0; i < fw_size; i++)
+ WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_DATA, le32_to_cpup(fw_data++));
+
+ WREG32_SOC15(GC, 0, regGFX_IMU_I_RAM_ADDR, adev->gfx.imu_fw_version);
+
+ fw_data = (const __le32 *)(adev->gfx.imu_fw->data +
+ le32_to_cpu(hdr->header.ucode_array_offset_bytes) +
+ le32_to_cpu(hdr->imu_iram_ucode_size_bytes));
+ fw_size = le32_to_cpu(hdr->imu_dram_ucode_size_bytes) / 4;
+
+ WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_ADDR, 0);
+
+ for (i = 0; i < fw_size; i++)
+ WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_DATA, le32_to_cpup(fw_data++));
+
+ WREG32_SOC15(GC, 0, regGFX_IMU_D_RAM_ADDR, adev->gfx.imu_fw_version);
+
+ return 0;
+}
+
+static int imu_v12_0_wait_for_reset_status(struct amdgpu_device *adev)
+{
+ int i, imu_reg_val = 0;
+
+ for (i = 0; i < adev->usec_timeout; i++) {
+ imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_GFX_RESET_CTRL);
+ if ((imu_reg_val & 0x1f) == 0x1f)
+ break;
+ udelay(1);
+ }
+
+ if (i >= adev->usec_timeout) {
+ dev_err(adev->dev, "init imu: IMU start timeout\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static void imu_v12_0_setup(struct amdgpu_device *adev)
+{
+ int imu_reg_val;
+
+ WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL0, 0xffffff);
+ WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_ACCESS_CTRL1, 0xffff);
+
+ if (adev->gfx.imu.mode == DEBUG_MODE) {
+ imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16);
+ imu_reg_val |= 0x1;
+ WREG32_SOC15(GC, 0, regGFX_IMU_C2PMSG_16, imu_reg_val);
+ }
+}
+
+static int imu_v12_0_start(struct amdgpu_device *adev)
+{
+ int imu_reg_val;
+
+ imu_reg_val = RREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL);
+ imu_reg_val &= 0xfffffffe;
+ WREG32_SOC15(GC, 0, regGFX_IMU_CORE_CTRL, imu_reg_val);
+
+ if (adev->flags & AMD_IS_APU)
+ amdgpu_dpm_set_gfx_power_up_by_imu(adev);
+
+ return imu_v12_0_wait_for_reset_status(adev);
+}
+
+static const struct imu_rlc_ram_golden imu_rlc_ram_golden_12_0_1[] = {
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCH_PIPE_STEER, 0x1e4, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL1X_PIPE_STEER, 0x1e4, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL1_PIPE_STEER, 0x1e4, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_0, 0x13571357, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_1, 0x64206420, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_2, 0x2460246, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2_PIPE_STEER_3, 0x75317531, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGL2C_CTRL3, 0xc0d41183, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regSDMA0_CHICKEN_BITS, 0x507d1c0, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regSDMA1_CHICKEN_BITS, 0x507d1c0, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCP_RB_WPTR_POLL_CNTL, 0x600100, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_CREDITS, 0x3f7fff, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_CREDITS, 0x3f7ebf, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_TAG_RESERVE0, 0x2e00000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_TAG_RESERVE1, 0x1a078, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_TAG_RESERVE2, 0x0, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_TAG_RESERVE0, 0x0, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_TAG_RESERVE1, 0x12030, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_TAG_RESERVE2, 0x0, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_VCC_RESERVE0, 0x19041000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_VCC_RESERVE1, 0x80000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_VCC_RESERVE0, 0x1e080000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_VCC_RESERVE1, 0x80000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_PRIORITY, 0x880, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_PRIORITY, 0x8880, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_ARB_FINAL, 0x17, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_ARB_FINAL, 0x77, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_SDP_ENABLE, 0x00000001, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_SDP_ENABLE, 0x00000001, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL2, 0x20000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_APT_CNTL, 0x0c, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_CACHEABLE_DRAM_ADDRESS_END, 0xfffff, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_CPWD_MISC, 0x0091, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGC_EA_SE_MISC, 0x0091, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0xe0000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCR_GENERAL_CNTL, 0x00008500, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regPA_CL_ENHANCE, 0x00880007, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regTD_CNTL, 0x00000001, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000001, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000100, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0x00000101, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regRMI_GENERAL_CNTL, 0x01e00000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBM_GFX_INDEX, 0xe0000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGB_ADDR_CONFIG, 0x08200545, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGRBMH_CP_PERFMON_CNTL, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCB_PERFCOUNTER0_SELECT1, 0x000fffff, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCP_DEBUG_2, 0x00020000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regCP_CPC_DEBUG, 0x00500010, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, 0x00000500, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x00000001, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_START, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_LOCAL_FB_ADDRESS_END, 0x0000000f, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_FB_LOCATION_BASE, 0x00006000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_FB_LOCATION_TOP, 0x0000600f, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT0_CNTL, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_CONTEXT1_CNTL, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_TOP_OF_DRAM_SLOT1, 0xff800000, 0xe0000000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_LOWER_TOP_OF_DRAM2, 0x00000001, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_NB_UPPER_TOP_OF_DRAM2, 0x0000ffff, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_BASE, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_BOT, 0x00000002, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_AGP_TOP, 0x00000000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, 0x00001ffc, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, 0x00000551, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL, 0x00080603, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL2, 0x00000003, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL3, 0x00100003, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCVM_L2_CNTL5, 0x00003fe0, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x0003d000, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0x0003d7ff, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, 0, 0x1c0000),
+ IMU_RLC_RAM_GOLDEN_VALUE(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, 0, 0x1c0000)
+};
+
+static void program_imu_rlc_ram(struct amdgpu_device *adev,
+ const struct imu_rlc_ram_golden *regs,
+ const u32 array_size)
+{
+ const struct imu_rlc_ram_golden *entry;
+ u32 reg, data;
+ int i;
+
+ for (i = 0; i < array_size; ++i) {
+ entry = ®s[i];
+ reg = adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
+ reg |= entry->addr_mask;
+ data = entry->data;
+ if (entry->reg == regGCMC_VM_AGP_BASE)
+ data = 0x00ffffff;
+ else if (entry->reg == regGCMC_VM_AGP_TOP)
+ data = 0x0;
+ else if (entry->reg == regGCMC_VM_FB_LOCATION_BASE)
+ data = adev->gmc.vram_start >> 24;
+ else if (entry->reg == regGCMC_VM_FB_LOCATION_TOP)
+ data = adev->gmc.vram_end >> 24;
+
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, 0);
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, reg);
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, data);
+ }
+ //Indicate the latest entry
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_HIGH, 0);
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_ADDR_LOW, 0);
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_DATA, 0);
+}
+
+static void imu_v12_0_program_rlc_ram(struct amdgpu_device *adev)
+{
+ u32 reg_data;
+
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, 0x2);
+
+ switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
+ case IP_VERSION(12, 0, 1):
+ program_imu_rlc_ram(adev, imu_rlc_ram_golden_12_0_1,
+ (const u32)ARRAY_SIZE(imu_rlc_ram_golden_12_0_1));
+ break;
+ default:
+ BUG();
+ break;
+ }
+
+ reg_data = RREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX);
+ reg_data |= GFX_IMU_RLC_RAM_INDEX__RAM_VALID_MASK;
+ WREG32_SOC15(GC, 0, regGFX_IMU_RLC_RAM_INDEX, reg_data);
+}
+
+const struct amdgpu_imu_funcs gfx_v12_0_imu_funcs = {
+ .init_microcode = imu_v12_0_init_microcode,
+ .load_microcode = imu_v12_0_load_microcode,
+ .setup_imu = imu_v12_0_setup,
+ .start_imu = imu_v12_0_start,
+ .program_rlc_ram = imu_v12_0_program_rlc_ram,
+ .wait_for_reset_status = imu_v12_0_wait_for_reset_status,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v12_0.h b/drivers/gpu/drm/amd/amdgpu/imu_v12_0.h
new file mode 100644
index 0000000000000..a1f50cb1aeab7
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/imu_v12_0.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2021 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 __IMU_V12_0_H__
+#define __IMU_V12_0_H__
+
+extern const struct amdgpu_imu_funcs gfx_v12_0_imu_funcs;
+
+#endif
+
--
2.44.0
