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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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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_v13_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_v13_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v13_0.c | 782 |
1 files changed, 782 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c new file mode 100644 index 0000000000..fe1995ed13 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -0,0 +1,782 @@ +/* + * Copyright 2020 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 <drm/drm_drv.h> +#include <linux/vmalloc.h> +#include "amdgpu.h" +#include "amdgpu_psp.h" +#include "amdgpu_ucode.h" +#include "soc15_common.h" +#include "psp_v13_0.h" + +#include "mp/mp_13_0_2_offset.h" +#include "mp/mp_13_0_2_sh_mask.h" + +MODULE_FIRMWARE("amdgpu/aldebaran_sos.bin"); +MODULE_FIRMWARE("amdgpu/aldebaran_ta.bin"); +MODULE_FIRMWARE("amdgpu/aldebaran_cap.bin"); +MODULE_FIRMWARE("amdgpu/yellow_carp_toc.bin"); +MODULE_FIRMWARE("amdgpu/yellow_carp_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_5_toc.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_5_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_8_toc.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_8_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_0_sos.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_0_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_7_sos.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_7_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_10_sos.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_10_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_11_toc.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_11_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_6_sos.bin"); +MODULE_FIRMWARE("amdgpu/psp_13_0_6_ta.bin"); +MODULE_FIRMWARE("amdgpu/psp_14_0_0_toc.bin"); +MODULE_FIRMWARE("amdgpu/psp_14_0_0_ta.bin"); + +/* 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 + +/* Retry times for vmbx ready wait */ +#define PSP_VMBX_POLLING_LIMIT 3000 + +/* VBIOS gfl defines */ +#define MBOX_READY_MASK 0x80000000 +#define MBOX_STATUS_MASK 0x0000FFFF +#define MBOX_COMMAND_MASK 0x00FF0000 +#define MBOX_READY_FLAG 0x80000000 +#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO 0x2 +#define C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI 0x3 +#define C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE 0x4 + +/* memory training timeout define */ +#define MEM_TRAIN_SEND_MSG_TIMEOUT_US 3000000 + +static int psp_v13_0_init_microcode(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + char ucode_prefix[30]; + int err = 0; + + amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix)); + + switch (adev->ip_versions[MP0_HWIP][0]) { + case IP_VERSION(13, 0, 2): + err = psp_init_sos_microcode(psp, ucode_prefix); + if (err) + return err; + /* It's not necessary to load ras ta on Guest side */ + if (!amdgpu_sriov_vf(adev)) { + err = psp_init_ta_microcode(psp, ucode_prefix); + if (err) + return err; + } + break; + case IP_VERSION(13, 0, 1): + case IP_VERSION(13, 0, 3): + case IP_VERSION(13, 0, 5): + case IP_VERSION(13, 0, 8): + case IP_VERSION(13, 0, 11): + case IP_VERSION(14, 0, 0): + err = psp_init_toc_microcode(psp, ucode_prefix); + if (err) + return err; + err = psp_init_ta_microcode(psp, ucode_prefix); + if (err) + return err; + break; + case IP_VERSION(13, 0, 0): + case IP_VERSION(13, 0, 6): + case IP_VERSION(13, 0, 7): + case IP_VERSION(13, 0, 10): + err = psp_init_sos_microcode(psp, ucode_prefix); + if (err) + return err; + /* It's not necessary to load ras ta on Guest side */ + err = psp_init_ta_microcode(psp, ucode_prefix); + if (err) + return err; + break; + default: + BUG(); + } + + return 0; +} + +static bool psp_v13_0_is_sos_alive(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + uint32_t sol_reg; + + sol_reg = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81); + + return sol_reg != 0x0; +} + +static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + int retry_loop, ret; + + for (retry_loop = 0; retry_loop < PSP_VMBX_POLLING_LIMIT; retry_loop++) { + /* Wait for bootloader to signify that is + ready having bit 31 of C2PMSG_33 set to 1 */ + ret = psp_wait_for( + psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_33), + 0x80000000, 0xffffffff, false); + + if (ret == 0) + break; + } + + if (ret) + dev_warn(adev->dev, "Bootloader wait timed out"); + + return ret; +} + +static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + int retry_loop, retry_cnt, ret; + + retry_cnt = + (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 6)) ? + PSP_VMBX_POLLING_LIMIT : + 10; + /* Wait for bootloader to signify that it is ready having bit 31 of + * C2PMSG_35 set to 1. All other bits are expected to be cleared. + * If there is an error in processing command, bits[7:0] will be set. + * This is applicable for PSP v13.0.6 and newer. + */ + for (retry_loop = 0; retry_loop < retry_cnt; retry_loop++) { + ret = psp_wait_for( + psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), + 0x80000000, 0xffffffff, false); + + if (ret == 0) + return 0; + } + + return ret; +} + +static int psp_v13_0_wait_for_bootloader_steady_state(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + + if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 6)) { + psp_v13_0_wait_for_vmbx_ready(psp); + + return psp_v13_0_wait_for_bootloader(psp); + } + + return 0; +} + +static int psp_v13_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 tOS sign of life register to confirm sys driver and sOS + * are already been loaded. + */ + if (psp_v13_0_is_sos_alive(psp)) + return 0; + + ret = psp_v13_0_wait_for_bootloader(psp); + if (ret) + return ret; + + memset(psp->fw_pri_buf, 0, PSP_1_MEG); + + /* Copy PSP KDB binary to memory */ + memcpy(psp->fw_pri_buf, bin_desc->start_addr, bin_desc->size_bytes); + + /* Provide the PSP KDB to bootloader */ + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, + (uint32_t)(psp->fw_pri_mc_addr >> 20)); + psp_gfxdrv_command_reg = bl_cmd; + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_35, + psp_gfxdrv_command_reg); + + ret = psp_v13_0_wait_for_bootloader(psp); + + return ret; +} + +static int psp_v13_0_bootloader_load_kdb(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_KEY_DATABASE); +} + +static int psp_v13_0_bootloader_load_spl(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->kdb, PSP_BL__LOAD_TOS_SPL_TABLE); +} + +static int psp_v13_0_bootloader_load_sysdrv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->sys, PSP_BL__LOAD_SYSDRV); +} + +static int psp_v13_0_bootloader_load_soc_drv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->soc_drv, PSP_BL__LOAD_SOCDRV); +} + +static int psp_v13_0_bootloader_load_intf_drv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->intf_drv, PSP_BL__LOAD_INTFDRV); +} + +static int psp_v13_0_bootloader_load_dbg_drv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->dbg_drv, PSP_BL__LOAD_DBGDRV); +} + +static int psp_v13_0_bootloader_load_ras_drv(struct psp_context *psp) +{ + return psp_v13_0_bootloader_load_component(psp, &psp->ras_drv, PSP_BL__LOAD_RASDRV); +} + + +static int psp_v13_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_v13_0_is_sos_alive(psp)) + return 0; + + ret = psp_v13_0_wait_for_bootloader(psp); + if (ret) + return ret; + + memset(psp->fw_pri_buf, 0, PSP_1_MEG); + + /* Copy Secure OS binary to PSP memory */ + memcpy(psp->fw_pri_buf, psp->sos.start_addr, psp->sos.size_bytes); + + /* Provide the PSP secure OS to bootloader */ + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36, + (uint32_t)(psp->fw_pri_mc_addr >> 20)); + psp_gfxdrv_command_reg = PSP_BL__LOAD_SOSDRV; + WREG32_SOC15(MP0, 0, regMP0_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, regMP0_SMN_C2PMSG_81), + RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_81), + 0, true); + + return ret; +} + +static int psp_v13_0_ring_stop(struct psp_context *psp, + enum psp_ring_type ring_type) +{ + int ret = 0; + struct amdgpu_device *adev = psp->adev; + + if (amdgpu_sriov_vf(adev)) { + /* Write the ring destroy command*/ + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101, + GFX_CTRL_CMD_ID_DESTROY_GPCOM_RING); + /* there might be handshake issue with hardware which needs delay */ + mdelay(20); + /* Wait for response flag (bit 31) */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_101), + 0x80000000, 0x80000000, false); + } else { + /* Write the ring destroy command*/ + WREG32_SOC15(MP0, 0, regMP0_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) */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64), + 0x80000000, 0x80000000, false); + } + + return ret; +} + +static int psp_v13_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)) { + ret = psp_v13_0_ring_stop(psp, ring_type); + if (ret) { + DRM_ERROR("psp_v13_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, regMP0_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, regMP0_SMN_C2PMSG_103, psp_ring_reg); + + /* Write the ring initialization command to C2PMSG_101 */ + WREG32_SOC15(MP0, 0, regMP0_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, regMP0_SMN_C2PMSG_101), + 0x80000000, 0x8000FFFF, false); + + } else { + /* Wait for sOS ready for ring creation */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_64), + 0x80000000, 0x80000000, false); + if (ret) { + DRM_ERROR("Failed to wait for trust OS 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, regMP0_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, regMP0_SMN_C2PMSG_70, psp_ring_reg); + /* Write size of ring to C2PMSG_71 */ + psp_ring_reg = ring->ring_size; + WREG32_SOC15(MP0, 0, regMP0_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, regMP0_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, regMP0_SMN_C2PMSG_64), + 0x80000000, 0x8000FFFF, false); + } + + return ret; +} + +static int psp_v13_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_v13_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 uint32_t psp_v13_0_ring_get_wptr(struct psp_context *psp) +{ + uint32_t data; + struct amdgpu_device *adev = psp->adev; + + if (amdgpu_sriov_vf(adev)) + data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_102); + else + data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67); + + return data; +} + +static void psp_v13_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, regMP0_SMN_C2PMSG_102, value); + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_101, + GFX_CTRL_CMD_ID_CONSUME_CMD); + } else + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, value); +} + +static int psp_v13_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, regMP0_SMN_C2PMSG_36, data_32); + WREG32_SOC15(MP0, 0, regMP0_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, regMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret == 0) + break; + } + if (i < max_wait) + ret = 0; + else + ret = -ETIME; + + dev_dbg(adev->dev, "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; +} + + +static int psp_v13_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) { + dev_dbg(adev->dev, "Memory training is not supported.\n"); + return 0; + } else if (ctx->init != PSP_MEM_TRAIN_INIT_SUCCESS) { + dev_err(adev->dev, "Memory training initialization failure.\n"); + return -EINVAL; + } + + if (psp_v13_0_is_sos_alive(psp)) { + dev_dbg(adev->dev, "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); + dev_dbg(adev->dev, "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) { + dev_dbg(adev->dev, "Short training depends on restore.\n"); + ops |= PSP_MEM_TRAIN_RESTORE; + } + + if ((ops & PSP_MEM_TRAIN_RESTORE) && + pcache[0] != MEM_TRAIN_SYSTEM_SIGNATURE) { + dev_dbg(adev->dev, "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])) { + dev_dbg(adev->dev, "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) { + dev_dbg(adev->dev, "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; + } + + dev_dbg(adev->dev, "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) { + dev_err(adev->dev, "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) { + dev_err(adev->dev, "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_v13_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_v13_0_memory_training_send_msg(psp, (amdgpu_force_long_training > 0) ? + PSP_BL__DRAM_LONG_TRAIN : PSP_BL__DRAM_SHORT_TRAIN); + if (ret) { + dev_err(adev->dev, "send training msg failed.\n"); + return ret; + } + } + ctx->training_cnt++; + return 0; +} + +static int psp_v13_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, regMP0_SMN_C2PMSG_36, (fw_pri_mc_addr >> 20)); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (ret) + return ret; + + /* Fireup interrupt so PSP can pick up the address */ + WREG32_SOC15(MP0, 0, regMP0_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, regMP0_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] = %04x\n", + reg_status & 0xFFFF); + return -EIO; + } + + return 0; +} + +static int psp_v13_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, regMP0_SMN_C2PMSG_35, C2PMSG_CMD_GFX_USB_PD_FW_VER); + + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), + 0x80000000, 0x80000000, false); + if (!ret) + *fw_ver = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_36); + + return ret; +} + +static int psp_v13_0_exec_spi_cmd(struct psp_context *psp, int cmd) +{ + uint32_t reg_status = 0, reg_val = 0; + struct amdgpu_device *adev = psp->adev; + int ret; + + /* clear MBX ready (MBOX_READY_MASK bit is 0) and set update command */ + reg_val |= (cmd << 16); + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115, reg_val); + + /* Ring the doorbell */ + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_73, 1); + + if (cmd == C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE) + ret = psp_wait_for_spirom_update(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115), + MBOX_READY_FLAG, MBOX_READY_MASK, PSP_SPIROM_UPDATE_TIMEOUT); + else + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115), + MBOX_READY_FLAG, MBOX_READY_MASK, false); + if (ret) { + dev_err(adev->dev, "SPI cmd %x timed out, ret = %d", cmd, ret); + return ret; + } + + reg_status = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115); + if ((reg_status & 0xFFFF) != 0) { + dev_err(adev->dev, "SPI cmd %x failed, fail status = %04x\n", + cmd, reg_status & 0xFFFF); + return -EIO; + } + + return 0; +} + +static int psp_v13_0_update_spirom(struct psp_context *psp, + uint64_t fw_pri_mc_addr) +{ + struct amdgpu_device *adev = psp->adev; + int ret; + + /* Confirm PSP is ready to start */ + ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_115), + MBOX_READY_FLAG, MBOX_READY_MASK, false); + if (ret) { + dev_err(adev->dev, "PSP Not ready to start processing, ret = %d", ret); + return ret; + } + + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_116, lower_32_bits(fw_pri_mc_addr)); + + ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_LO); + if (ret) + return ret; + + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_116, upper_32_bits(fw_pri_mc_addr)); + + ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_ROM_IMAGE_ADDR_HI); + if (ret) + return ret; + + psp->vbflash_done = true; + + ret = psp_v13_0_exec_spi_cmd(psp, C2PMSG_CMD_SPI_UPDATE_FLASH_IMAGE); + if (ret) + return ret; + + return 0; +} + +static int psp_v13_0_vbflash_status(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + + return RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_115); +} + +static int psp_v13_0_fatal_error_recovery_quirk(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + + if (adev->ip_versions[MP0_HWIP][0] == IP_VERSION(13, 0, 10)) { + uint32_t reg_data; + /* MP1 fatal error: trigger PSP dram read to unhalt PSP + * during MP1 triggered sync flood. + */ + reg_data = RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67); + WREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_67, reg_data + 0x10); + + /* delay 1000ms for the mode1 reset for fatal error + * to be recovered back. + */ + msleep(1000); + } + + return 0; +} + +static const struct psp_funcs psp_v13_0_funcs = { + .init_microcode = psp_v13_0_init_microcode, + .wait_for_bootloader = psp_v13_0_wait_for_bootloader_steady_state, + .bootloader_load_kdb = psp_v13_0_bootloader_load_kdb, + .bootloader_load_spl = psp_v13_0_bootloader_load_spl, + .bootloader_load_sysdrv = psp_v13_0_bootloader_load_sysdrv, + .bootloader_load_soc_drv = psp_v13_0_bootloader_load_soc_drv, + .bootloader_load_intf_drv = psp_v13_0_bootloader_load_intf_drv, + .bootloader_load_dbg_drv = psp_v13_0_bootloader_load_dbg_drv, + .bootloader_load_ras_drv = psp_v13_0_bootloader_load_ras_drv, + .bootloader_load_sos = psp_v13_0_bootloader_load_sos, + .ring_create = psp_v13_0_ring_create, + .ring_stop = psp_v13_0_ring_stop, + .ring_destroy = psp_v13_0_ring_destroy, + .ring_get_wptr = psp_v13_0_ring_get_wptr, + .ring_set_wptr = psp_v13_0_ring_set_wptr, + .mem_training = psp_v13_0_memory_training, + .load_usbc_pd_fw = psp_v13_0_load_usbc_pd_fw, + .read_usbc_pd_fw = psp_v13_0_read_usbc_pd_fw, + .update_spirom = psp_v13_0_update_spirom, + .vbflash_stat = psp_v13_0_vbflash_status, + .fatal_error_recovery_quirk = psp_v13_0_fatal_error_recovery_quirk, +}; + +void psp_v13_0_set_psp_funcs(struct psp_context *psp) +{ + psp->funcs = &psp_v13_0_funcs; +} |