384 lines
11 KiB
C
384 lines
11 KiB
C
/*
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* Copyright 2016 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Author: Huang Rui
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*
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*/
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#include <linux/firmware.h>
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#include <linux/module.h>
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#include <linux/pci.h>
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#include "amdgpu.h"
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#include "amdgpu_psp.h"
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#include "amdgpu_ucode.h"
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#include "soc15_common.h"
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#include "psp_v10_0.h"
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#include "mp/mp_10_0_offset.h"
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#include "gc/gc_9_1_offset.h"
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#include "sdma0/sdma0_4_1_offset.h"
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MODULE_FIRMWARE("amdgpu/raven_asd.bin");
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MODULE_FIRMWARE("amdgpu/picasso_asd.bin");
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MODULE_FIRMWARE("amdgpu/raven2_asd.bin");
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static int psp_v10_0_init_microcode(struct psp_context *psp)
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{
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struct amdgpu_device *adev = psp->adev;
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const char *chip_name;
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char fw_name[30];
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int err = 0;
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const struct psp_firmware_header_v1_0 *hdr;
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DRM_DEBUG("\n");
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switch (adev->asic_type) {
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case CHIP_RAVEN:
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if (adev->rev_id >= 0x8)
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chip_name = "raven2";
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else if (adev->pdev->device == 0x15d8)
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chip_name = "picasso";
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else
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chip_name = "raven";
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break;
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default: BUG();
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}
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snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_asd.bin", chip_name);
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err = request_firmware(&adev->psp.asd_fw, fw_name, adev->dev);
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if (err)
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goto out;
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err = amdgpu_ucode_validate(adev->psp.asd_fw);
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if (err)
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goto out;
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hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.asd_fw->data;
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adev->psp.asd_fw_version = le32_to_cpu(hdr->header.ucode_version);
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adev->psp.asd_feature_version = le32_to_cpu(hdr->ucode_feature_version);
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adev->psp.asd_ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
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adev->psp.asd_start_addr = (uint8_t *)hdr +
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le32_to_cpu(hdr->header.ucode_array_offset_bytes);
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return 0;
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out:
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if (err) {
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dev_err(adev->dev,
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"psp v10.0: Failed to load firmware \"%s\"\n",
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fw_name);
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release_firmware(adev->psp.asd_fw);
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adev->psp.asd_fw = NULL;
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}
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return err;
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}
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static int psp_v10_0_ring_init(struct psp_context *psp,
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enum psp_ring_type ring_type)
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{
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int ret = 0;
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struct psp_ring *ring;
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struct amdgpu_device *adev = psp->adev;
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ring = &psp->km_ring;
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ring->ring_type = ring_type;
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/* allocate 4k Page of Local Frame Buffer memory for ring */
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ring->ring_size = 0x1000;
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ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
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AMDGPU_GEM_DOMAIN_VRAM,
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&adev->firmware.rbuf,
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&ring->ring_mem_mc_addr,
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(void **)&ring->ring_mem);
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if (ret) {
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ring->ring_size = 0;
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return ret;
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}
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return 0;
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}
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static int psp_v10_0_ring_create(struct psp_context *psp,
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enum psp_ring_type ring_type)
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{
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int ret = 0;
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unsigned int psp_ring_reg = 0;
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struct psp_ring *ring = &psp->km_ring;
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struct amdgpu_device *adev = psp->adev;
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/* Write low address of the ring to C2PMSG_69 */
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psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
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WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
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/* Write high address of the ring to C2PMSG_70 */
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psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
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WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
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/* Write size of ring to C2PMSG_71 */
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psp_ring_reg = ring->ring_size;
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WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
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/* Write the ring initialization command to C2PMSG_64 */
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psp_ring_reg = ring_type;
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psp_ring_reg = psp_ring_reg << 16;
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WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
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/* There might be handshake issue with hardware which needs delay */
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mdelay(20);
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/* Wait for response flag (bit 31) in C2PMSG_64 */
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ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
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0x80000000, 0x8000FFFF, false);
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return ret;
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}
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static int psp_v10_0_ring_stop(struct psp_context *psp,
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enum psp_ring_type ring_type)
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{
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int ret = 0;
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unsigned int psp_ring_reg = 0;
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struct amdgpu_device *adev = psp->adev;
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/* Write the ring destroy command to C2PMSG_64 */
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psp_ring_reg = 3 << 16;
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WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
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/* There might be handshake issue with hardware which needs delay */
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mdelay(20);
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/* Wait for response flag (bit 31) in C2PMSG_64 */
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ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
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0x80000000, 0x80000000, false);
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return ret;
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}
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static int psp_v10_0_ring_destroy(struct psp_context *psp,
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enum psp_ring_type ring_type)
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{
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int ret = 0;
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struct psp_ring *ring = &psp->km_ring;
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struct amdgpu_device *adev = psp->adev;
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ret = psp_v10_0_ring_stop(psp, ring_type);
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if (ret)
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DRM_ERROR("Fail to stop psp ring\n");
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amdgpu_bo_free_kernel(&adev->firmware.rbuf,
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&ring->ring_mem_mc_addr,
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(void **)&ring->ring_mem);
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return ret;
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}
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static int psp_v10_0_cmd_submit(struct psp_context *psp,
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struct amdgpu_firmware_info *ucode,
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uint64_t cmd_buf_mc_addr, uint64_t fence_mc_addr,
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int index)
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{
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unsigned int psp_write_ptr_reg = 0;
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struct psp_gfx_rb_frame * write_frame = psp->km_ring.ring_mem;
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struct psp_ring *ring = &psp->km_ring;
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struct psp_gfx_rb_frame *ring_buffer_start = ring->ring_mem;
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struct psp_gfx_rb_frame *ring_buffer_end = ring_buffer_start +
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ring->ring_size / sizeof(struct psp_gfx_rb_frame) - 1;
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struct amdgpu_device *adev = psp->adev;
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uint32_t ring_size_dw = ring->ring_size / 4;
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uint32_t rb_frame_size_dw = sizeof(struct psp_gfx_rb_frame) / 4;
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/* KM (GPCOM) prepare write pointer */
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psp_write_ptr_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
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/* Update KM RB frame pointer to new frame */
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if ((psp_write_ptr_reg % ring_size_dw) == 0)
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write_frame = ring_buffer_start;
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else
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write_frame = ring_buffer_start + (psp_write_ptr_reg / rb_frame_size_dw);
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/* Check invalid write_frame ptr address */
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if ((write_frame < ring_buffer_start) || (ring_buffer_end < write_frame)) {
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DRM_ERROR("ring_buffer_start = %p; ring_buffer_end = %p; write_frame = %p\n",
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ring_buffer_start, ring_buffer_end, write_frame);
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DRM_ERROR("write_frame is pointing to address out of bounds\n");
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return -EINVAL;
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}
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/* Initialize KM RB frame */
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memset(write_frame, 0, sizeof(struct psp_gfx_rb_frame));
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/* Update KM RB frame */
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write_frame->cmd_buf_addr_hi = upper_32_bits(cmd_buf_mc_addr);
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write_frame->cmd_buf_addr_lo = lower_32_bits(cmd_buf_mc_addr);
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write_frame->fence_addr_hi = upper_32_bits(fence_mc_addr);
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write_frame->fence_addr_lo = lower_32_bits(fence_mc_addr);
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write_frame->fence_value = index;
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/* Update the write Pointer in DWORDs */
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psp_write_ptr_reg = (psp_write_ptr_reg + rb_frame_size_dw) % ring_size_dw;
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WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, psp_write_ptr_reg);
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return 0;
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}
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static int
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psp_v10_0_sram_map(struct amdgpu_device *adev,
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unsigned int *sram_offset, unsigned int *sram_addr_reg_offset,
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unsigned int *sram_data_reg_offset,
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enum AMDGPU_UCODE_ID ucode_id)
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{
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int ret = 0;
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switch(ucode_id) {
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/* TODO: needs to confirm */
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#if 0
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case AMDGPU_UCODE_ID_SMC:
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*sram_offset = 0;
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*sram_addr_reg_offset = 0;
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*sram_data_reg_offset = 0;
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break;
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#endif
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case AMDGPU_UCODE_ID_CP_CE:
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*sram_offset = 0x0;
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*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_ADDR);
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*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_CE_UCODE_DATA);
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break;
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case AMDGPU_UCODE_ID_CP_PFP:
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*sram_offset = 0x0;
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*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_ADDR);
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*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_PFP_UCODE_DATA);
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break;
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case AMDGPU_UCODE_ID_CP_ME:
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*sram_offset = 0x0;
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*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_ADDR);
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*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_ME_UCODE_DATA);
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break;
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case AMDGPU_UCODE_ID_CP_MEC1:
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*sram_offset = 0x10000;
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*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_ADDR);
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*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_MEC_ME1_UCODE_DATA);
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break;
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case AMDGPU_UCODE_ID_CP_MEC2:
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*sram_offset = 0x10000;
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*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_ADDR);
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*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmCP_HYP_MEC2_UCODE_DATA);
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break;
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case AMDGPU_UCODE_ID_RLC_G:
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*sram_offset = 0x2000;
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*sram_addr_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_ADDR);
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*sram_data_reg_offset = SOC15_REG_OFFSET(GC, 0, mmRLC_GPM_UCODE_DATA);
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break;
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case AMDGPU_UCODE_ID_SDMA0:
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*sram_offset = 0x0;
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*sram_addr_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_ADDR);
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*sram_data_reg_offset = SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_UCODE_DATA);
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break;
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/* TODO: needs to confirm */
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#if 0
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case AMDGPU_UCODE_ID_SDMA1:
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*sram_offset = ;
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*sram_addr_reg_offset = ;
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break;
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case AMDGPU_UCODE_ID_UVD:
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*sram_offset = ;
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*sram_addr_reg_offset = ;
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break;
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case AMDGPU_UCODE_ID_VCE:
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*sram_offset = ;
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*sram_addr_reg_offset = ;
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break;
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#endif
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case AMDGPU_UCODE_ID_MAXIMUM:
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default:
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ret = -EINVAL;
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break;
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}
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return ret;
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}
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static bool psp_v10_0_compare_sram_data(struct psp_context *psp,
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struct amdgpu_firmware_info *ucode,
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enum AMDGPU_UCODE_ID ucode_type)
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{
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int err = 0;
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unsigned int fw_sram_reg_val = 0;
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unsigned int fw_sram_addr_reg_offset = 0;
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unsigned int fw_sram_data_reg_offset = 0;
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unsigned int ucode_size;
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uint32_t *ucode_mem = NULL;
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struct amdgpu_device *adev = psp->adev;
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err = psp_v10_0_sram_map(adev, &fw_sram_reg_val, &fw_sram_addr_reg_offset,
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&fw_sram_data_reg_offset, ucode_type);
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if (err)
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return false;
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WREG32(fw_sram_addr_reg_offset, fw_sram_reg_val);
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ucode_size = ucode->ucode_size;
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ucode_mem = (uint32_t *)ucode->kaddr;
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while (!ucode_size) {
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fw_sram_reg_val = RREG32(fw_sram_data_reg_offset);
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if (*ucode_mem != fw_sram_reg_val)
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return false;
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ucode_mem++;
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/* 4 bytes */
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ucode_size -= 4;
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}
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return true;
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}
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static int psp_v10_0_mode1_reset(struct psp_context *psp)
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{
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DRM_INFO("psp mode 1 reset not supported now! \n");
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return -EINVAL;
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}
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static const struct psp_funcs psp_v10_0_funcs = {
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.init_microcode = psp_v10_0_init_microcode,
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.ring_init = psp_v10_0_ring_init,
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.ring_create = psp_v10_0_ring_create,
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.ring_stop = psp_v10_0_ring_stop,
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.ring_destroy = psp_v10_0_ring_destroy,
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.cmd_submit = psp_v10_0_cmd_submit,
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.compare_sram_data = psp_v10_0_compare_sram_data,
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.mode1_reset = psp_v10_0_mode1_reset,
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};
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void psp_v10_0_set_psp_funcs(struct psp_context *psp)
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{
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psp->funcs = &psp_v10_0_funcs;
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}
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