diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v11_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 667 |
1 files changed, 667 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c new file mode 100644 index 0000000000..8f84fe40ab --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -0,0 +1,667 @@ +/* + * Copyright 2018 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 <linux/module.h> +#include <linux/vmalloc.h> +#include <drm/drm_drv.h> + +#include "amdgpu.h" +#include "amdgpu_psp.h" +#include "amdgpu_ras.h" +#include "amdgpu_ucode.h" +#include "soc15_common.h" +#include "psp_v11_0.h" + +#include "mp/mp_11_0_offset.h" +#include "mp/mp_11_0_sh_mask.h" +#include "gc/gc_9_0_offset.h" +#include "sdma0/sdma0_4_0_offset.h" +#include "nbio/nbio_7_4_offset.h" + +#include "oss/osssys_4_0_offset.h" +#include "oss/osssys_4_0_sh_mask.h" + +MODULE_FIRMWARE("amdgpu/vega20_sos.bin"); +MODULE_FIRMWARE("amdgpu/vega20_asd.bin"); +MODULE_FIRMWARE("amdgpu/vega20_ta.bin"); +MODULE_FIRMWARE("amdgpu/navi10_sos.bin"); +MODULE_FIRMWARE("amdgpu/navi10_asd.bin"); +MODULE_FIRMWARE("amdgpu/navi10_ta.bin"); +MODULE_FIRMWARE("amdgpu/navi14_sos.bin"); +MODULE_FIRMWARE("amdgpu/navi14_asd.bin"); +MODULE_FIRMWARE("amdgpu/navi14_ta.bin"); +MODULE_FIRMWARE("amdgpu/navi12_sos.bin"); +MODULE_FIRMWARE("amdgpu/navi12_asd.bin"); +MODULE_FIRMWARE("amdgpu/navi12_ta.bin"); +MODULE_FIRMWARE("amdgpu/navi12_cap.bin"); +MODULE_FIRMWARE("amdgpu/arcturus_sos.bin"); +MODULE_FIRMWARE("amdgpu/arcturus_asd.bin"); +MODULE_FIRMWARE("amdgpu/arcturus_ta.bin"); +MODULE_FIRMWARE("amdgpu/sienna_cichlid_sos.bin"); +MODULE_FIRMWARE("amdgpu/sienna_cichlid_ta.bin"); +MODULE_FIRMWARE("amdgpu/sienna_cichlid_cap.bin"); +MODULE_FIRMWARE("amdgpu/navy_flounder_sos.bin"); +MODULE_FIRMWARE("amdgpu/navy_flounder_ta.bin"); +MODULE_FIRMWARE("amdgpu/vangogh_asd.bin"); +MODULE_FIRMWARE("amdgpu/vangogh_toc.bin"); +MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_sos.bin"); +MODULE_FIRMWARE("amdgpu/dimgrey_cavefish_ta.bin"); +MODULE_FIRMWARE("amdgpu/beige_goby_sos.bin"); +MODULE_FIRMWARE("amdgpu/beige_goby_ta.bin"); + +/* address block */ +#define smnMP1_FIRMWARE_FLAGS 0x3010024 +/* navi10 reg offset define */ +#define mmRLC_GPM_UCODE_ADDR_NV10 0x5b61 +#define mmRLC_GPM_UCODE_DATA_NV10 0x5b62 +#define mmSDMA0_UCODE_ADDR_NV10 0x5880 +#define mmSDMA0_UCODE_DATA_NV10 0x5881 +/* memory training timeout define */ +#define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000 + +/* For large FW files the time to complete can be very long */ +#define USBC_PD_POLLING_LIMIT_S 240 + +/* Read USB-PD from LFB */ +#define GFX_CMD_USB_PD_USE_LFB 0x480 + +static int psp_v11_0_init_microcode(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + char ucode_prefix[30]; + int err = 0; + + DRM_DEBUG("\n"); + + amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix)); + + switch (adev->ip_versions[MP0_HWIP][0]) { + case IP_VERSION(11, 0, 2): + case IP_VERSION(11, 0, 4): + err = psp_init_sos_microcode(psp, ucode_prefix); + if (err) + return err; + err = psp_init_asd_microcode(psp, ucode_prefix); + if (err) + return err; + err = psp_init_ta_microcode(psp, ucode_prefix); + adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0; + break; + case IP_VERSION(11, 0, 0): + case IP_VERSION(11, 0, 5): + case IP_VERSION(11, 0, 9): + err = psp_init_sos_microcode(psp, ucode_prefix); + if (err) + return err; + err = psp_init_asd_microcode(psp, ucode_prefix); + if (err) + return err; + err = psp_init_ta_microcode(psp, ucode_prefix); + adev->psp.securedisplay_context.context.bin_desc.size_bytes = 0; + break; + case IP_VERSION(11, 0, 7): + case IP_VERSION(11, 0, 11): + case IP_VERSION(11, 0, 12): + case IP_VERSION(11, 0, 13): + err = psp_init_sos_microcode(psp, ucode_prefix); + if (err) + return err; + err = psp_init_ta_microcode(psp, ucode_prefix); + break; + case IP_VERSION(11, 5, 0): + err = psp_init_asd_microcode(psp, ucode_prefix); + if (err) + return err; + err = psp_init_toc_microcode(psp, ucode_prefix); + break; + default: + BUG(); + } + + return err; +} + +static int psp_v11_0_wait_for_bootloader(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + + int ret; + int retry_loop; + + for (retry_loop = 0; retry_loop < 10; retry_loop++) { + /* 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 == 0) + return 0; + } + + return ret; +} + +static bool psp_v11_0_is_sos_alive(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + uint32_t sol_reg; + + sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); + + return sol_reg != 0x0; +} + +static int psp_v11_0_bootloader_load_component(struct psp_context *psp, + struct psp_bin_desc *bin_desc, + enum psp_bootloader_cmd bl_cmd) +{ + int ret; + uint32_t psp_gfxdrv_command_reg = 0; + struct amdgpu_device *adev = psp->adev; + + /* Check sOS sign of life register to confirm sys driver and sOS + * are already been loaded. + */ + if (psp_v11_0_is_sos_alive(psp)) + return 0; + + ret = psp_v11_0_wait_for_bootloader(psp); + if (ret) + return ret; + + /* Copy PSP System Driver binary to memory */ + psp_copy_fw(psp, bin_desc->start_addr, bin_desc->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 = bl_cmd; + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, + psp_gfxdrv_command_reg); + + ret = psp_v11_0_wait_for_bootloader(psp); + + return ret; +} + +static int psp_v11_0_bootloader_load_kdb(struct psp_context *psp) +{ + return psp_v11_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE); +} + +static int psp_v11_0_bootloader_load_spl(struct psp_context *psp) +{ + return psp_v11_0_bootloader_load_component(psp, &psp->spl, PSP_BL__LOAD_TOS_SPL_TABLE); +} + +static int psp_v11_0_bootloader_load_sysdrv(struct psp_context *psp) +{ + return psp_v11_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV); +} + +static int psp_v11_0_bootloader_load_sos(struct psp_context *psp) +{ + int ret; + unsigned int psp_gfxdrv_command_reg = 0; + struct amdgpu_device *adev = psp->adev; + + /* Check sOS sign of life register to confirm sys driver and sOS + * are already been loaded. + */ + if (psp_v11_0_is_sos_alive(psp)) + return 0; + + ret = psp_v11_0_wait_for_bootloader(psp); + 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_v11_0_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_v11_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)) { + ring->ring_wptr = 0; + ret = psp_v11_0_ring_stop(psp, ring_type); + if (ret) { + DRM_ERROR("psp_v11_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, 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); + + /* Write the ring initialization command to C2PMSG_101 */ + WREG32_SOC15(MP0, 0, mmMP0_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, mmMP0_SMN_C2PMSG_101), + 0x80000000, 0x8000FFFF, false); + + } else { + /* Wait for sOS ready for ring creation */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64), + 0x80000000, 0x80000000, false); + if (ret) { + DRM_ERROR("Failed to wait for sOS 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, 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 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, mmMP0_SMN_C2PMSG_64), + 0x80000000, 0x8000FFFF, false); + } + + return ret; +} + + +static int psp_v11_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_v11_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 int psp_v11_0_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 int psp_v11_0_memory_training_send_msg(struct psp_context *psp, int msg) +{ + int ret; + int i; + uint32_t data_32; + int max_wait; + struct amdgpu_device *adev = psp->adev; + + data_32 = (psp->mem_train_ctx.c2p_train_data_offset >> 20); + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, data_32); + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, msg); + + max_wait = MEM_TRAIN_SEND_MSG_TIMEOUT_US / adev->usec_timeout; + for (i = 0; i < max_wait; i++) { + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret == 0) + break; + } + if (i < max_wait) + ret = 0; + else + ret = -ETIME; + + DRM_DEBUG("training %s %s, cost %d @ %d ms\n", + (msg == PSP_BL__DRAM_SHORT_TRAIN) ? "short" : "long", + (ret == 0) ? "succeed" : "failed", + i, adev->usec_timeout/1000); + return ret; +} + +/* + * save and restore process + */ +static int psp_v11_0_memory_training(struct psp_context *psp, uint32_t ops) +{ + struct psp_memory_training_context *ctx = &psp->mem_train_ctx; + uint32_t *pcache = (uint32_t *)ctx->sys_cache; + struct amdgpu_device *adev = psp->adev; + uint32_t p2c_header[4]; + uint32_t sz; + void *buf; + int ret, idx; + + if (ctx->init == PSP_MEM_TRAIN_NOT_SUPPORT) { + DRM_DEBUG("Memory training is not supported.\n"); + return 0; + } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) { + DRM_ERROR("Memory training initialization failure.\n"); + return -EINVAL; + } + + if (psp_v11_0_is_sos_alive(psp)) { + DRM_DEBUG("SOS is alive, skip memory training.\n"); + return 0; + } + + amdgpu_device_vram_access(adev, ctx->p2c_train_data_offset, p2c_header, sizeof(p2c_header), false); + DRM_DEBUG("sys_cache[%08x,%08x,%08x,%08x] p2c_header[%08x,%08x,%08x,%08x]\n", + pcache[0], pcache[1], pcache[2], pcache[3], + p2c_header[0], p2c_header[1], p2c_header[2], p2c_header[3]); + + if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) { + DRM_DEBUG("Short training depends on restore.\n"); + ops |= PSP_MEM_TRAIN_RESTORE; + } + + if ((ops & PSP_MEM_TRAIN_RESTORE) && + pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) { + DRM_DEBUG("sys_cache[0] is invalid, restore depends on save.\n"); + ops |= PSP_MEM_TRAIN_SAVE; + } + + if (p2c_header[0] == MEM_TRAIN_SYSTEM_SIGNATURE && + !(pcache[0] == MEM_TRAIN_SYSTEM_SIGNATURE && + pcache[3] == p2c_header[3])) { + DRM_DEBUG("sys_cache is invalid or out-of-date, need save training data to sys_cache.\n"); + ops |= PSP_MEM_TRAIN_SAVE; + } + + if ((ops & PSP_MEM_TRAIN_SAVE) && + p2c_header[0] != MEM_TRAIN_SYSTEM_SIGNATURE) { + DRM_DEBUG("p2c_header[0] is invalid, save depends on long training.\n"); + ops |= PSP_MEM_TRAIN_SEND_LONG_MSG; + } + + if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) { + ops &= ~PSP_MEM_TRAIN_SEND_SHORT_MSG; + ops |= PSP_MEM_TRAIN_SAVE; + } + + DRM_DEBUG("Memory training ops:%x.\n", ops); + + if (ops & PSP_MEM_TRAIN_SEND_LONG_MSG) { + /* + * Long training will encroach a certain amount on the bottom of VRAM; + * save the content from the bottom of VRAM to system memory + * before training, and restore it after training to avoid + * VRAM corruption. + */ + sz = GDDR6_MEM_TRAINING_ENCROACHED_SIZE; + + if (adev->gmc.visible_vram_size < sz || !adev->mman.aper_base_kaddr) { + DRM_ERROR("visible_vram_size %llx or aper_base_kaddr %p is not initialized.\n", + adev->gmc.visible_vram_size, + adev->mman.aper_base_kaddr); + return -EINVAL; + } + + buf = vmalloc(sz); + if (!buf) { + DRM_ERROR("failed to allocate system memory.\n"); + return -ENOMEM; + } + + if (drm_dev_enter(adev_to_drm(adev), &idx)) { + memcpy_fromio(buf, adev->mman.aper_base_kaddr, sz); + ret = psp_v11_0_memory_training_send_msg(psp, PSP_BL__DRAM_LONG_TRAIN); + if (ret) { + DRM_ERROR("Send long training msg failed.\n"); + vfree(buf); + drm_dev_exit(idx); + return ret; + } + + memcpy_toio(adev->mman.aper_base_kaddr, buf, sz); + adev->hdp.funcs->flush_hdp(adev, NULL); + vfree(buf); + drm_dev_exit(idx); + } else { + vfree(buf); + return -ENODEV; + } + } + + if (ops & PSP_MEM_TRAIN_SAVE) { + amdgpu_device_vram_access(psp->adev, ctx->p2c_train_data_offset, ctx->sys_cache, ctx->train_data_size, false); + } + + if (ops & PSP_MEM_TRAIN_RESTORE) { + amdgpu_device_vram_access(psp->adev, ctx->c2p_train_data_offset, ctx->sys_cache, ctx->train_data_size, true); + } + + if (ops & PSP_MEM_TRAIN_SEND_SHORT_MSG) { + ret = psp_v11_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ? + PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN); + if (ret) { + DRM_ERROR("send training msg failed.\n"); + return ret; + } + } + ctx->training_cnt++; + return 0; +} + +static uint32_t psp_v11_0_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_v11_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, mmMP0_SMN_C2PMSG_102, value); + 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 int psp_v11_0_load_usbc_pd_fw(struct psp_context *psp, uint64_t fw_pri_mc_addr) +{ + struct amdgpu_device *adev = psp->adev; + uint32_t reg_status; + int ret, i = 0; + + /* + * LFB address which is aligned to 1MB address and has to be + * right-shifted by 20 so that LFB address can be passed on a 32-bit C2P + * register + */ + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20)); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret) + return ret; + + /* Fireup interrupt so PSP can pick up the address */ + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, (GFX_CMD_USB_PD_USE_LFB << 16)); + + /* FW load takes very long time */ + do { + msleep(1000); + reg_status = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35); + + if (reg_status & 0x80000000) + goto done; + + } while (++i < USBC_PD_POLLING_LIMIT_S); + + return -ETIME; +done: + + if ((reg_status & 0xFFFF) != 0) { + DRM_ERROR("Address load failed - MP0_SMN_C2PMSG_35.Bits [15:0] = 0x%04x\n", + reg_status & 0xFFFF); + return -EIO; + } + + return 0; +} + +static int psp_v11_0_read_usbc_pd_fw(struct psp_context *psp, uint32_t *fw_ver) +{ + struct amdgpu_device *adev = psp->adev; + int ret; + + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (!ret) + *fw_ver = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_36); + + return ret; +} + +static const struct psp_funcs psp_v11_0_funcs = { + .init_microcode = psp_v11_0_init_microcode, + .bootloader_load_kdb = psp_v11_0_bootloader_load_kdb, + .bootloader_load_spl = psp_v11_0_bootloader_load_spl, + .bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv, + .bootloader_load_sos = psp_v11_0_bootloader_load_sos, + .ring_create = psp_v11_0_ring_create, + .ring_stop = psp_v11_0_ring_stop, + .ring_destroy = psp_v11_0_ring_destroy, + .mode1_reset = psp_v11_0_mode1_reset, + .mem_training = psp_v11_0_memory_training, + .ring_get_wptr = psp_v11_0_ring_get_wptr, + .ring_set_wptr = psp_v11_0_ring_set_wptr, + .load_usbc_pd_fw = psp_v11_0_load_usbc_pd_fw, + .read_usbc_pd_fw = psp_v11_0_read_usbc_pd_fw +}; + +void psp_v11_0_set_psp_funcs(struct psp_context *psp) +{ + psp->funcs = &psp_v11_0_funcs; +} |