diff options
author | Huang Rui <ray.huang@amd.com> | 2017-05-04 15:28:30 -0400 |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2017-05-24 17:41:19 -0400 |
commit | fd341dc590d743eed360146a8b0d3c4db331b264 (patch) | |
tree | ee88f372ef4bc0e6d2fa630a7a0788c7ee4af937 /drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | |
parent | 7fda6eca5de520d2acf2b27a217aa2f703ad627b (diff) | |
download | linux-fd341dc590d743eed360146a8b0d3c4db331b264.tar.bz2 |
drm/amdgpu: add psp v10 function callback for raven
PSP is the security processor. These are the support
functions.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v10_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 309 |
1 files changed, 309 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c new file mode 100644 index 000000000000..8eb21fd83172 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -0,0 +1,309 @@ +/* + * 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 "drmP.h" +#include "amdgpu.h" +#include "amdgpu_psp.h" +#include "amdgpu_ucode.h" +#include "soc15_common.h" +#include "psp_v10_0.h" + +#include "vega10/soc15ip.h" +#include "raven1/MP/mp_10_0_offset.h" +#include "raven1/GC/gc_9_1_offset.h" +#include "raven1/SDMA0/sdma0_4_1_offset.h" + +static int +psp_v10_0_get_fw_type(struct amdgpu_firmware_info *ucode, enum psp_gfx_fw_type *type) +{ + switch(ucode->ucode_id) { + case AMDGPU_UCODE_ID_SDMA0: + *type = GFX_FW_TYPE_SDMA0; + break; + case AMDGPU_UCODE_ID_SDMA1: + *type = GFX_FW_TYPE_SDMA1; + break; + case AMDGPU_UCODE_ID_CP_CE: + *type = GFX_FW_TYPE_CP_CE; + break; + case AMDGPU_UCODE_ID_CP_PFP: + *type = GFX_FW_TYPE_CP_PFP; + break; + case AMDGPU_UCODE_ID_CP_ME: + *type = GFX_FW_TYPE_CP_ME; + break; + case AMDGPU_UCODE_ID_CP_MEC1: + *type = GFX_FW_TYPE_CP_MEC; + break; + case AMDGPU_UCODE_ID_CP_MEC1_JT: + *type = GFX_FW_TYPE_CP_MEC_ME1; + break; + case AMDGPU_UCODE_ID_CP_MEC2: + *type = GFX_FW_TYPE_CP_MEC; + break; + case AMDGPU_UCODE_ID_CP_MEC2_JT: + *type = GFX_FW_TYPE_CP_MEC_ME2; + break; + case AMDGPU_UCODE_ID_RLC_G: + *type = GFX_FW_TYPE_RLC_G; + break; + case AMDGPU_UCODE_ID_SMC: + *type = GFX_FW_TYPE_SMU; + break; + case AMDGPU_UCODE_ID_UVD: + *type = GFX_FW_TYPE_UVD; + break; + case AMDGPU_UCODE_ID_VCE: + *type = GFX_FW_TYPE_VCE; + break; + case AMDGPU_UCODE_ID_MAXIMUM: + default: + return -EINVAL; + } + + return 0; +} + +int psp_v10_0_prep_cmd_buf(struct amdgpu_firmware_info *ucode, struct psp_gfx_cmd_resp *cmd) +{ + int ret; + uint64_t fw_mem_mc_addr = ucode->mc_addr; + struct common_firmware_header *header; + + memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp)); + header = (struct common_firmware_header *)ucode->fw; + + cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW; + cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = (uint32_t)fw_mem_mc_addr; + cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = (uint32_t)((uint64_t)fw_mem_mc_addr >> 32); + cmd->cmd.cmd_load_ip_fw.fw_size = le32_to_cpu(header->ucode_size_bytes); + + ret = psp_v10_0_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type); + if (ret) + DRM_ERROR("Unknown firmware type\n"); + + return ret; +} + +int psp_v10_0_ring_init(struct psp_context *psp, enum psp_ring_type ring_type) +{ + int ret = 0; + unsigned int psp_ring_reg = 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; + } + + /* Write low address of the ring to C2PMSG_69 */ + psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr); + WREG32(SOC15_REG_OFFSET(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_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_70), psp_ring_reg); + /* Write size of ring to C2PMSG_71 */ + psp_ring_reg = ring->ring_size; + WREG32(SOC15_REG_OFFSET(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_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), psp_ring_reg); + /* Wait for response flag (bit 31) in C2PMSG_64 */ + psp_ring_reg = 0; + while ((psp_ring_reg & 0x80000000) == 0) { + psp_ring_reg = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64)); + } + + return 0; +} + +int psp_v10_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 amdgpu_device *adev = psp->adev; + + /* KM (GPCOM) prepare write pointer */ + psp_write_ptr_reg = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_67)); + + /* Update KM RB frame pointer to new frame */ + if ((psp_write_ptr_reg % ring->ring_size) == 0) + write_frame = ring->ring_mem; + else + write_frame = ring->ring_mem + (psp_write_ptr_reg / (sizeof(struct psp_gfx_rb_frame) / 4)); + + /* Update KM RB frame */ + write_frame->cmd_buf_addr_hi = (unsigned int)(cmd_buf_mc_addr >> 32); + write_frame->cmd_buf_addr_lo = (unsigned int)(cmd_buf_mc_addr); + write_frame->fence_addr_hi = (unsigned int)(fence_mc_addr >> 32); + write_frame->fence_addr_lo = (unsigned int)(fence_mc_addr); + write_frame->fence_value = index; + + /* Update the write Pointer in DWORDs */ + psp_write_ptr_reg += sizeof(struct psp_gfx_rb_frame) / 4; + psp_write_ptr_reg = (psp_write_ptr_reg >= ring->ring_size) ? 0 : psp_write_ptr_reg; + WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_67), psp_write_ptr_reg); + + return 0; +} + +static int +psp_v10_0_sram_map(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; +} + +bool psp_v10_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_v10_0_sram_map(&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; +} |