diff options
Diffstat (limited to 'drivers/misc/habanalabs/goya/goya.c')
| -rw-r--r-- | drivers/misc/habanalabs/goya/goya.c | 5391 |
1 files changed, 5391 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/goya/goya.c b/drivers/misc/habanalabs/goya/goya.c new file mode 100644 index 000000000000..238dd57c541b --- /dev/null +++ b/drivers/misc/habanalabs/goya/goya.c @@ -0,0 +1,5391 @@ +// SPDX-License-Identifier: GPL-2.0 + +/* + * Copyright 2016-2019 HabanaLabs, Ltd. + * All Rights Reserved. + */ + +#include "goyaP.h" +#include "include/hw_ip/mmu/mmu_general.h" +#include "include/hw_ip/mmu/mmu_v1_0.h" +#include "include/goya/asic_reg/goya_masks.h" + +#include <linux/pci.h> +#include <linux/genalloc.h> +#include <linux/firmware.h> +#include <linux/hwmon.h> +#include <linux/io-64-nonatomic-lo-hi.h> +#include <linux/io-64-nonatomic-hi-lo.h> + +/* + * GOYA security scheme: + * + * 1. Host is protected by: + * - Range registers (When MMU is enabled, DMA RR does NOT protect host) + * - MMU + * + * 2. DRAM is protected by: + * - Range registers (protect the first 512MB) + * - MMU (isolation between users) + * + * 3. Configuration is protected by: + * - Range registers + * - Protection bits + * + * When MMU is disabled: + * + * QMAN DMA: PQ, CQ, CP, DMA are secured. + * PQ, CB and the data are on the host. + * + * QMAN TPC/MME: + * PQ, CQ and CP are not secured. + * PQ, CB and the data are on the SRAM/DRAM. + * + * Since QMAN DMA is secured, KMD is parsing the DMA CB: + * - KMD checks DMA pointer + * - WREG, MSG_PROT are not allowed. + * - MSG_LONG/SHORT are allowed. + * + * A read/write transaction by the QMAN to a protected area will succeed if + * and only if the QMAN's CP is secured and MSG_PROT is used + * + * + * When MMU is enabled: + * + * QMAN DMA: PQ, CQ and CP are secured. + * MMU is set to bypass on the Secure props register of the QMAN. + * The reasons we don't enable MMU for PQ, CQ and CP are: + * - PQ entry is in kernel address space and KMD doesn't map it. + * - CP writes to MSIX register and to kernel address space (completion + * queue). + * + * DMA is not secured but because CP is secured, KMD still needs to parse the + * CB, but doesn't need to check the DMA addresses. + * + * For QMAN DMA 0, DMA is also secured because only KMD uses this DMA and KMD + * doesn't map memory in MMU. + * + * QMAN TPC/MME: PQ, CQ and CP aren't secured (no change from MMU disabled mode) + * + * DMA RR does NOT protect host because DMA is not secured + * + */ + +#define GOYA_MMU_REGS_NUM 61 + +#define GOYA_DMA_POOL_BLK_SIZE 0x100 /* 256 bytes */ + +#define GOYA_RESET_TIMEOUT_MSEC 500 /* 500ms */ +#define GOYA_PLDM_RESET_TIMEOUT_MSEC 20000 /* 20s */ +#define GOYA_RESET_WAIT_MSEC 1 /* 1ms */ +#define GOYA_CPU_RESET_WAIT_MSEC 100 /* 100ms */ +#define GOYA_PLDM_RESET_WAIT_MSEC 1000 /* 1s */ +#define GOYA_CPU_TIMEOUT_USEC 10000000 /* 10s */ +#define GOYA_TEST_QUEUE_WAIT_USEC 100000 /* 100ms */ +#define GOYA_PLDM_MMU_TIMEOUT_USEC (MMU_CONFIG_TIMEOUT_USEC * 100) +#define GOYA_PLDM_QMAN0_TIMEOUT_USEC (HL_DEVICE_TIMEOUT_USEC * 30) + +#define GOYA_QMAN0_FENCE_VAL 0xD169B243 + +#define GOYA_MAX_INITIATORS 20 + +#define GOYA_MAX_STRING_LEN 20 + +#define GOYA_CB_POOL_CB_CNT 512 +#define GOYA_CB_POOL_CB_SIZE 0x20000 /* 128KB */ + +static const char goya_irq_name[GOYA_MSIX_ENTRIES][GOYA_MAX_STRING_LEN] = { + "goya cq 0", "goya cq 1", "goya cq 2", "goya cq 3", + "goya cq 4", "goya cpu eq" +}; + +static u16 goya_packet_sizes[MAX_PACKET_ID] = { + [PACKET_WREG_32] = sizeof(struct packet_wreg32), + [PACKET_WREG_BULK] = sizeof(struct packet_wreg_bulk), + [PACKET_MSG_LONG] = sizeof(struct packet_msg_long), + [PACKET_MSG_SHORT] = sizeof(struct packet_msg_short), + [PACKET_CP_DMA] = sizeof(struct packet_cp_dma), + [PACKET_MSG_PROT] = sizeof(struct packet_msg_prot), + [PACKET_FENCE] = sizeof(struct packet_fence), + [PACKET_LIN_DMA] = sizeof(struct packet_lin_dma), + [PACKET_NOP] = sizeof(struct packet_nop), + [PACKET_STOP] = sizeof(struct packet_stop) +}; + +static u64 goya_mmu_regs[GOYA_MMU_REGS_NUM] = { + mmDMA_QM_0_GLBL_NON_SECURE_PROPS, + mmDMA_QM_1_GLBL_NON_SECURE_PROPS, + mmDMA_QM_2_GLBL_NON_SECURE_PROPS, + mmDMA_QM_3_GLBL_NON_SECURE_PROPS, + mmDMA_QM_4_GLBL_NON_SECURE_PROPS, + mmTPC0_QM_GLBL_SECURE_PROPS, + mmTPC0_QM_GLBL_NON_SECURE_PROPS, + mmTPC0_CMDQ_GLBL_SECURE_PROPS, + mmTPC0_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC0_CFG_ARUSER, + mmTPC0_CFG_AWUSER, + mmTPC1_QM_GLBL_SECURE_PROPS, + mmTPC1_QM_GLBL_NON_SECURE_PROPS, + mmTPC1_CMDQ_GLBL_SECURE_PROPS, + mmTPC1_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC1_CFG_ARUSER, + mmTPC1_CFG_AWUSER, + mmTPC2_QM_GLBL_SECURE_PROPS, + mmTPC2_QM_GLBL_NON_SECURE_PROPS, + mmTPC2_CMDQ_GLBL_SECURE_PROPS, + mmTPC2_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC2_CFG_ARUSER, + mmTPC2_CFG_AWUSER, + mmTPC3_QM_GLBL_SECURE_PROPS, + mmTPC3_QM_GLBL_NON_SECURE_PROPS, + mmTPC3_CMDQ_GLBL_SECURE_PROPS, + mmTPC3_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC3_CFG_ARUSER, + mmTPC3_CFG_AWUSER, + mmTPC4_QM_GLBL_SECURE_PROPS, + mmTPC4_QM_GLBL_NON_SECURE_PROPS, + mmTPC4_CMDQ_GLBL_SECURE_PROPS, + mmTPC4_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC4_CFG_ARUSER, + mmTPC4_CFG_AWUSER, + mmTPC5_QM_GLBL_SECURE_PROPS, + mmTPC5_QM_GLBL_NON_SECURE_PROPS, + mmTPC5_CMDQ_GLBL_SECURE_PROPS, + mmTPC5_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC5_CFG_ARUSER, + mmTPC5_CFG_AWUSER, + mmTPC6_QM_GLBL_SECURE_PROPS, + mmTPC6_QM_GLBL_NON_SECURE_PROPS, + mmTPC6_CMDQ_GLBL_SECURE_PROPS, + mmTPC6_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC6_CFG_ARUSER, + mmTPC6_CFG_AWUSER, + mmTPC7_QM_GLBL_SECURE_PROPS, + mmTPC7_QM_GLBL_NON_SECURE_PROPS, + mmTPC7_CMDQ_GLBL_SECURE_PROPS, + mmTPC7_CMDQ_GLBL_NON_SECURE_PROPS, + mmTPC7_CFG_ARUSER, + mmTPC7_CFG_AWUSER, + mmMME_QM_GLBL_SECURE_PROPS, + mmMME_QM_GLBL_NON_SECURE_PROPS, + mmMME_CMDQ_GLBL_SECURE_PROPS, + mmMME_CMDQ_GLBL_NON_SECURE_PROPS, + mmMME_SBA_CONTROL_DATA, + mmMME_SBB_CONTROL_DATA, + mmMME_SBC_CONTROL_DATA, + mmMME_WBC_CONTROL_DATA +}; + +#define GOYA_ASYC_EVENT_GROUP_NON_FATAL_SIZE 121 + +static u32 goya_non_fatal_events[GOYA_ASYC_EVENT_GROUP_NON_FATAL_SIZE] = { + GOYA_ASYNC_EVENT_ID_PCIE_IF, + GOYA_ASYNC_EVENT_ID_TPC0_ECC, + GOYA_ASYNC_EVENT_ID_TPC1_ECC, + GOYA_ASYNC_EVENT_ID_TPC2_ECC, + GOYA_ASYNC_EVENT_ID_TPC3_ECC, + GOYA_ASYNC_EVENT_ID_TPC4_ECC, + GOYA_ASYNC_EVENT_ID_TPC5_ECC, + GOYA_ASYNC_EVENT_ID_TPC6_ECC, + GOYA_ASYNC_EVENT_ID_TPC7_ECC, + GOYA_ASYNC_EVENT_ID_MME_ECC, + GOYA_ASYNC_EVENT_ID_MME_ECC_EXT, + GOYA_ASYNC_EVENT_ID_MMU_ECC, + GOYA_ASYNC_EVENT_ID_DMA_MACRO, + GOYA_ASYNC_EVENT_ID_DMA_ECC, + GOYA_ASYNC_EVENT_ID_CPU_IF_ECC, + GOYA_ASYNC_EVENT_ID_PSOC_MEM, + GOYA_ASYNC_EVENT_ID_PSOC_CORESIGHT, + GOYA_ASYNC_EVENT_ID_SRAM0, + GOYA_ASYNC_EVENT_ID_SRAM1, + GOYA_ASYNC_EVENT_ID_SRAM2, + GOYA_ASYNC_EVENT_ID_SRAM3, + GOYA_ASYNC_EVENT_ID_SRAM4, + GOYA_ASYNC_EVENT_ID_SRAM5, + GOYA_ASYNC_EVENT_ID_SRAM6, + GOYA_ASYNC_EVENT_ID_SRAM7, + GOYA_ASYNC_EVENT_ID_SRAM8, + GOYA_ASYNC_EVENT_ID_SRAM9, + GOYA_ASYNC_EVENT_ID_SRAM10, + GOYA_ASYNC_EVENT_ID_SRAM11, + GOYA_ASYNC_EVENT_ID_SRAM12, + GOYA_ASYNC_EVENT_ID_SRAM13, + GOYA_ASYNC_EVENT_ID_SRAM14, + GOYA_ASYNC_EVENT_ID_SRAM15, + GOYA_ASYNC_EVENT_ID_SRAM16, + GOYA_ASYNC_EVENT_ID_SRAM17, + GOYA_ASYNC_EVENT_ID_SRAM18, + GOYA_ASYNC_EVENT_ID_SRAM19, + GOYA_ASYNC_EVENT_ID_SRAM20, + GOYA_ASYNC_EVENT_ID_SRAM21, + GOYA_ASYNC_EVENT_ID_SRAM22, + GOYA_ASYNC_EVENT_ID_SRAM23, + GOYA_ASYNC_EVENT_ID_SRAM24, + GOYA_ASYNC_EVENT_ID_SRAM25, + GOYA_ASYNC_EVENT_ID_SRAM26, + GOYA_ASYNC_EVENT_ID_SRAM27, + GOYA_ASYNC_EVENT_ID_SRAM28, + GOYA_ASYNC_EVENT_ID_SRAM29, + GOYA_ASYNC_EVENT_ID_GIC500, + GOYA_ASYNC_EVENT_ID_PLL0, + GOYA_ASYNC_EVENT_ID_PLL1, + GOYA_ASYNC_EVENT_ID_PLL3, + GOYA_ASYNC_EVENT_ID_PLL4, + GOYA_ASYNC_EVENT_ID_PLL5, + GOYA_ASYNC_EVENT_ID_PLL6, + GOYA_ASYNC_EVENT_ID_AXI_ECC, + GOYA_ASYNC_EVENT_ID_L2_RAM_ECC, + GOYA_ASYNC_EVENT_ID_PSOC_GPIO_05_SW_RESET, + GOYA_ASYNC_EVENT_ID_PSOC_GPIO_10_VRHOT_ICRIT, + GOYA_ASYNC_EVENT_ID_PCIE_DEC, + GOYA_ASYNC_EVENT_ID_TPC0_DEC, + GOYA_ASYNC_EVENT_ID_TPC1_DEC, + GOYA_ASYNC_EVENT_ID_TPC2_DEC, + GOYA_ASYNC_EVENT_ID_TPC3_DEC, + GOYA_ASYNC_EVENT_ID_TPC4_DEC, + GOYA_ASYNC_EVENT_ID_TPC5_DEC, + GOYA_ASYNC_EVENT_ID_TPC6_DEC, + GOYA_ASYNC_EVENT_ID_TPC7_DEC, + GOYA_ASYNC_EVENT_ID_MME_WACS, + GOYA_ASYNC_EVENT_ID_MME_WACSD, + GOYA_ASYNC_EVENT_ID_CPU_AXI_SPLITTER, + GOYA_ASYNC_EVENT_ID_PSOC_AXI_DEC, + GOYA_ASYNC_EVENT_ID_PSOC, + GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR, + GOYA_ASYNC_EVENT_ID_TPC0_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC1_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC2_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC3_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC4_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC5_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC6_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC7_CMDQ, + GOYA_ASYNC_EVENT_ID_TPC0_QM, + GOYA_ASYNC_EVENT_ID_TPC1_QM, + GOYA_ASYNC_EVENT_ID_TPC2_QM, + GOYA_ASYNC_EVENT_ID_TPC3_QM, + GOYA_ASYNC_EVENT_ID_TPC4_QM, + GOYA_ASYNC_EVENT_ID_TPC5_QM, + GOYA_ASYNC_EVENT_ID_TPC6_QM, + GOYA_ASYNC_EVENT_ID_TPC7_QM, + GOYA_ASYNC_EVENT_ID_MME_QM, + GOYA_ASYNC_EVENT_ID_MME_CMDQ, + GOYA_ASYNC_EVENT_ID_DMA0_QM, + GOYA_ASYNC_EVENT_ID_DMA1_QM, + GOYA_ASYNC_EVENT_ID_DMA2_QM, + GOYA_ASYNC_EVENT_ID_DMA3_QM, + GOYA_ASYNC_EVENT_ID_DMA4_QM, + GOYA_ASYNC_EVENT_ID_DMA0_CH, + GOYA_ASYNC_EVENT_ID_DMA1_CH, + GOYA_ASYNC_EVENT_ID_DMA2_CH, + GOYA_ASYNC_EVENT_ID_DMA3_CH, + GOYA_ASYNC_EVENT_ID_DMA4_CH, + GOYA_ASYNC_EVENT_ID_TPC0_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_TPC1_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_TPC2_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_TPC3_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_TPC4_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_TPC5_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_TPC6_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_TPC7_BMON_SPMU, + GOYA_ASYNC_EVENT_ID_DMA_BM_CH0, + GOYA_ASYNC_EVENT_ID_DMA_BM_CH1, + GOYA_ASYNC_EVENT_ID_DMA_BM_CH2, + GOYA_ASYNC_EVENT_ID_DMA_BM_CH3, + GOYA_ASYNC_EVENT_ID_DMA_BM_CH4 +}; + +static int goya_armcp_info_get(struct hl_device *hdev); +static void goya_mmu_prepare(struct hl_device *hdev, u32 asid); +static int goya_mmu_clear_pgt_range(struct hl_device *hdev); +static int goya_mmu_set_dram_default_page(struct hl_device *hdev); +static int goya_mmu_update_asid_hop0_addr(struct hl_device *hdev, u32 asid, + u64 phys_addr); + +static void goya_get_fixed_properties(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + int i; + + for (i = 0 ; i < NUMBER_OF_EXT_HW_QUEUES ; i++) { + prop->hw_queues_props[i].type = QUEUE_TYPE_EXT; + prop->hw_queues_props[i].kmd_only = 0; + } + + for (; i < NUMBER_OF_EXT_HW_QUEUES + NUMBER_OF_CPU_HW_QUEUES ; i++) { + prop->hw_queues_props[i].type = QUEUE_TYPE_CPU; + prop->hw_queues_props[i].kmd_only = 1; + } + + for (; i < NUMBER_OF_EXT_HW_QUEUES + NUMBER_OF_CPU_HW_QUEUES + + NUMBER_OF_INT_HW_QUEUES; i++) { + prop->hw_queues_props[i].type = QUEUE_TYPE_INT; + prop->hw_queues_props[i].kmd_only = 0; + } + + for (; i < HL_MAX_QUEUES; i++) + prop->hw_queues_props[i].type = QUEUE_TYPE_NA; + + prop->completion_queues_count = NUMBER_OF_CMPLT_QUEUES; + + prop->dram_base_address = DRAM_PHYS_BASE; + prop->dram_size = DRAM_PHYS_DEFAULT_SIZE; + prop->dram_end_address = prop->dram_base_address + prop->dram_size; + prop->dram_user_base_address = DRAM_BASE_ADDR_USER; + + prop->sram_base_address = SRAM_BASE_ADDR; + prop->sram_size = SRAM_SIZE; + prop->sram_end_address = prop->sram_base_address + prop->sram_size; + prop->sram_user_base_address = prop->sram_base_address + + SRAM_USER_BASE_OFFSET; + + prop->mmu_pgt_addr = MMU_PAGE_TABLES_ADDR; + prop->mmu_dram_default_page_addr = MMU_DRAM_DEFAULT_PAGE_ADDR; + if (hdev->pldm) + prop->mmu_pgt_size = 0x800000; /* 8MB */ + else + prop->mmu_pgt_size = MMU_PAGE_TABLES_SIZE; + prop->mmu_pte_size = HL_PTE_SIZE; + prop->mmu_hop_table_size = HOP_TABLE_SIZE; + prop->mmu_hop0_tables_total_size = HOP0_TABLES_TOTAL_SIZE; + prop->dram_page_size = PAGE_SIZE_2MB; + + prop->host_phys_base_address = HOST_PHYS_BASE; + prop->va_space_host_start_address = VA_HOST_SPACE_START; + prop->va_space_host_end_address = VA_HOST_SPACE_END; + prop->va_space_dram_start_address = VA_DDR_SPACE_START; + prop->va_space_dram_end_address = VA_DDR_SPACE_END; + prop->dram_size_for_default_page_mapping = + prop->va_space_dram_end_address; + prop->cfg_size = CFG_SIZE; + prop->max_asid = MAX_ASID; + prop->num_of_events = GOYA_ASYNC_EVENT_ID_SIZE; + prop->cb_pool_cb_cnt = GOYA_CB_POOL_CB_CNT; + prop->cb_pool_cb_size = GOYA_CB_POOL_CB_SIZE; + prop->max_power_default = MAX_POWER_DEFAULT; + prop->tpc_enabled_mask = TPC_ENABLED_MASK; + + prop->high_pll = PLL_HIGH_DEFAULT; +} + +int goya_send_pci_access_msg(struct hl_device *hdev, u32 opcode) +{ + struct armcp_packet pkt; + + memset(&pkt, 0, sizeof(pkt)); + + pkt.ctl = cpu_to_le32(opcode << ARMCP_PKT_CTL_OPCODE_SHIFT); + + return hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, + sizeof(pkt), HL_DEVICE_TIMEOUT_USEC, NULL); +} + +/* + * goya_pci_bars_map - Map PCI BARS of Goya device + * + * @hdev: pointer to hl_device structure + * + * Request PCI regions and map them to kernel virtual addresses. + * Returns 0 on success + * + */ +static int goya_pci_bars_map(struct hl_device *hdev) +{ + struct pci_dev *pdev = hdev->pdev; + int rc; + + rc = pci_request_regions(pdev, HL_NAME); + if (rc) { + dev_err(hdev->dev, "Cannot obtain PCI resources\n"); + return rc; + } + + hdev->pcie_bar[SRAM_CFG_BAR_ID] = + pci_ioremap_bar(pdev, SRAM_CFG_BAR_ID); + if (!hdev->pcie_bar[SRAM_CFG_BAR_ID]) { + dev_err(hdev->dev, "pci_ioremap_bar failed for CFG\n"); + rc = -ENODEV; + goto err_release_regions; + } + + hdev->pcie_bar[MSIX_BAR_ID] = pci_ioremap_bar(pdev, MSIX_BAR_ID); + if (!hdev->pcie_bar[MSIX_BAR_ID]) { + dev_err(hdev->dev, "pci_ioremap_bar failed for MSIX\n"); + rc = -ENODEV; + goto err_unmap_sram_cfg; + } + + hdev->pcie_bar[DDR_BAR_ID] = pci_ioremap_wc_bar(pdev, DDR_BAR_ID); + if (!hdev->pcie_bar[DDR_BAR_ID]) { + dev_err(hdev->dev, "pci_ioremap_bar failed for DDR\n"); + rc = -ENODEV; + goto err_unmap_msix; + } + + hdev->rmmio = hdev->pcie_bar[SRAM_CFG_BAR_ID] + + (CFG_BASE - SRAM_BASE_ADDR); + + return 0; + +err_unmap_msix: + iounmap(hdev->pcie_bar[MSIX_BAR_ID]); +err_unmap_sram_cfg: + iounmap(hdev->pcie_bar[SRAM_CFG_BAR_ID]); +err_release_regions: + pci_release_regions(pdev); + + return rc; +} + +/* + * goya_pci_bars_unmap - Unmap PCI BARS of Goya device + * + * @hdev: pointer to hl_device structure + * + * Release all PCI BARS and unmap their virtual addresses + * + */ +static void goya_pci_bars_unmap(struct hl_device *hdev) +{ + struct pci_dev *pdev = hdev->pdev; + + iounmap(hdev->pcie_bar[DDR_BAR_ID]); + iounmap(hdev->pcie_bar[MSIX_BAR_ID]); + iounmap(hdev->pcie_bar[SRAM_CFG_BAR_ID]); + pci_release_regions(pdev); +} + +/* + * goya_elbi_write - Write through the ELBI interface + * + * @hdev: pointer to hl_device structure + * + * return 0 on success, -1 on failure + * + */ +static int goya_elbi_write(struct hl_device *hdev, u64 addr, u32 data) +{ + struct pci_dev *pdev = hdev->pdev; + ktime_t timeout; + u32 val; + + /* Clear previous status */ + pci_write_config_dword(pdev, mmPCI_CONFIG_ELBI_STS, 0); + + pci_write_config_dword(pdev, mmPCI_CONFIG_ELBI_ADDR, (u32) addr); + pci_write_config_dword(pdev, mmPCI_CONFIG_ELBI_DATA, data); + pci_write_config_dword(pdev, mmPCI_CONFIG_ELBI_CTRL, + PCI_CONFIG_ELBI_CTRL_WRITE); + + timeout = ktime_add_ms(ktime_get(), 10); + for (;;) { + pci_read_config_dword(pdev, mmPCI_CONFIG_ELBI_STS, &val); + if (val & PCI_CONFIG_ELBI_STS_MASK) + break; + if (ktime_compare(ktime_get(), timeout) > 0) { + pci_read_config_dword(pdev, mmPCI_CONFIG_ELBI_STS, + &val); + break; + } + usleep_range(300, 500); + } + + if ((val & PCI_CONFIG_ELBI_STS_MASK) == PCI_CONFIG_ELBI_STS_DONE) + return 0; + + if (val & PCI_CONFIG_ELBI_STS_ERR) { + dev_err(hdev->dev, "Error writing to ELBI\n"); + return -EIO; + } + + if (!(val & PCI_CONFIG_ELBI_STS_MASK)) { + dev_err(hdev->dev, "ELBI write didn't finish in time\n"); + return -EIO; + } + + dev_err(hdev->dev, "ELBI write has undefined bits in status\n"); + return -EIO; +} + +/* + * goya_iatu_write - iatu write routine + * + * @hdev: pointer to hl_device structure + * + */ +static int goya_iatu_write(struct hl_device *hdev, u32 addr, u32 data) +{ + u32 dbi_offset; + int rc; + + dbi_offset = addr & 0xFFF; + + rc = goya_elbi_write(hdev, CFG_BASE + mmPCIE_AUX_DBI, 0x00300000); + rc |= goya_elbi_write(hdev, mmPCIE_DBI_BASE + dbi_offset, data); + + if (rc) + return -EIO; + + return 0; +} + +static void goya_reset_link_through_bridge(struct hl_device *hdev) +{ + struct pci_dev *pdev = hdev->pdev; + struct pci_dev *parent_port; + u16 val; + + parent_port = pdev->bus->self; + pci_read_config_word(parent_port, PCI_BRIDGE_CONTROL, &val); + val |= PCI_BRIDGE_CTL_BUS_RESET; + pci_write_config_word(parent_port, PCI_BRIDGE_CONTROL, val); + ssleep(1); + + val &= ~(PCI_BRIDGE_CTL_BUS_RESET); + pci_write_config_word(parent_port, PCI_BRIDGE_CONTROL, val); + ssleep(3); +} + +/* + * goya_set_ddr_bar_base - set DDR bar to map specific device address + * + * @hdev: pointer to hl_device structure + * @addr: address in DDR. Must be aligned to DDR bar size + * + * This function configures the iATU so that the DDR bar will start at the + * specified addr. + * + */ +static int goya_set_ddr_bar_base(struct hl_device *hdev, u64 addr) +{ + struct goya_device *goya = hdev->asic_specific; + int rc; + + if ((goya) && (goya->ddr_bar_cur_addr == addr)) + return 0; + + /* Inbound Region 1 - Bar 4 - Point to DDR */ + rc = goya_iatu_write(hdev, 0x314, lower_32_bits(addr)); + rc |= goya_iatu_write(hdev, 0x318, upper_32_bits(addr)); + rc |= goya_iatu_write(hdev, 0x300, 0); + /* Enable + Bar match + match enable + Bar 4 */ + rc |= goya_iatu_write(hdev, 0x304, 0xC0080400); + + /* Return the DBI window to the default location */ + rc |= goya_elbi_write(hdev, CFG_BASE + mmPCIE_AUX_DBI, 0); + rc |= goya_elbi_write(hdev, CFG_BASE + mmPCIE_AUX_DBI_32, 0); + + if (rc) { + dev_err(hdev->dev, "failed to map DDR bar to 0x%08llx\n", addr); + return -EIO; + } + + if (goya) + goya->ddr_bar_cur_addr = addr; + + return 0; +} + +/* + * goya_init_iatu - Initialize the iATU unit inside the PCI controller + * + * @hdev: pointer to hl_device structure + * + * This is needed in case the firmware doesn't initialize the iATU + * + */ +static int goya_init_iatu(struct hl_device *hdev) +{ + int rc; + + /* Inbound Region 0 - Bar 0 - Point to SRAM_BASE_ADDR */ + rc = goya_iatu_write(hdev, 0x114, lower_32_bits(SRAM_BASE_ADDR)); + rc |= goya_iatu_write(hdev, 0x118, upper_32_bits(SRAM_BASE_ADDR)); + rc |= goya_iatu_write(hdev, 0x100, 0); + /* Enable + Bar match + match enable */ + rc |= goya_iatu_write(hdev, 0x104, 0xC0080000); + + /* Inbound Region 1 - Bar 4 - Point to DDR */ + rc |= goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE); + + /* Outbound Region 0 - Point to Host */ + rc |= goya_iatu_write(hdev, 0x008, lower_32_bits(HOST_PHYS_BASE)); + rc |= goya_iatu_write(hdev, 0x00C, upper_32_bits(HOST_PHYS_BASE)); + rc |= goya_iatu_write(hdev, 0x010, + lower_32_bits(HOST_PHYS_BASE + HOST_PHYS_SIZE - 1)); + rc |= goya_iatu_write(hdev, 0x014, 0); + rc |= goya_iatu_write(hdev, 0x018, 0); + rc |= goya_iatu_write(hdev, 0x020, + upper_32_bits(HOST_PHYS_BASE + HOST_PHYS_SIZE - 1)); + /* Increase region size */ + rc |= goya_iatu_write(hdev, 0x000, 0x00002000); + /* Enable */ + rc |= goya_iatu_write(hdev, 0x004, 0x80000000); + + /* Return the DBI window to the default location */ + rc |= goya_elbi_write(hdev, CFG_BASE + mmPCIE_AUX_DBI, 0); + rc |= goya_elbi_write(hdev, CFG_BASE + mmPCIE_AUX_DBI_32, 0); + + if (rc) + return -EIO; + + return 0; +} + +/* + * goya_early_init - GOYA early initialization code + * + * @hdev: pointer to hl_device structure + * + * Verify PCI bars + * Set DMA masks + * PCI controller initialization + * Map PCI bars + * + */ +static int goya_early_init(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + struct pci_dev *pdev = hdev->pdev; + u32 val; + int rc; + + goya_get_fixed_properties(hdev); + + /* Check BAR sizes */ + if (pci_resource_len(pdev, SRAM_CFG_BAR_ID) != CFG_BAR_SIZE) { + dev_err(hdev->dev, + "Not " HL_NAME "? BAR %d size %llu, expecting %llu\n", + SRAM_CFG_BAR_ID, + (unsigned long long) pci_resource_len(pdev, + SRAM_CFG_BAR_ID), + CFG_BAR_SIZE); + return -ENODEV; + } + + if (pci_resource_len(pdev, MSIX_BAR_ID) != MSIX_BAR_SIZE) { + dev_err(hdev->dev, + "Not " HL_NAME "? BAR %d size %llu, expecting %llu\n", + MSIX_BAR_ID, + (unsigned long long) pci_resource_len(pdev, + MSIX_BAR_ID), + MSIX_BAR_SIZE); + return -ENODEV; + } + + prop->dram_pci_bar_size = pci_resource_len(pdev, DDR_BAR_ID); + + /* set DMA mask for GOYA */ + rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(39)); + if (rc) { + dev_warn(hdev->dev, "Unable to set pci dma mask to 39 bits\n"); + rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(hdev->dev, + "Unable to set pci dma mask to 32 bits\n"); + return rc; + } + } + + rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(39)); + if (rc) { + dev_warn(hdev->dev, + "Unable to set pci consistent dma mask to 39 bits\n"); + rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(hdev->dev, + "Unable to set pci consistent dma mask to 32 bits\n"); + return rc; + } + } + + if (hdev->reset_pcilink) + goya_reset_link_through_bridge(hdev); + + rc = pci_enable_device_mem(pdev); + if (rc) { + dev_err(hdev->dev, "can't enable PCI device\n"); + return rc; + } + + pci_set_master(pdev); + + rc = goya_init_iatu(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to initialize iATU\n"); + goto disable_device; + } + + rc = goya_pci_bars_map(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to initialize PCI BARS\n"); + goto disable_device; + } + + if (!hdev->pldm) { + val = RREG32(mmPSOC_GLOBAL_CONF_BOOT_STRAP_PINS); + if (val & PSOC_GLOBAL_CONF_BOOT_STRAP_PINS_SRIOV_EN_MASK) + dev_warn(hdev->dev, + "PCI strap is not configured correctly, PCI bus errors may occur\n"); + } + + return 0; + +disable_device: + pci_clear_master(pdev); + pci_disable_device(pdev); + + return rc; +} + +/* + * goya_early_fini - GOYA early finalization code + * + * @hdev: pointer to hl_device structure + * + * Unmap PCI bars + * + */ +static int goya_early_fini(struct hl_device *hdev) +{ + goya_pci_bars_unmap(hdev); + + pci_clear_master(hdev->pdev); + pci_disable_device(hdev->pdev); + + return 0; +} + +/* + * goya_fetch_psoc_frequency - Fetch PSOC frequency values + * + * @hdev: pointer to hl_device structure + * + */ +static void goya_fetch_psoc_frequency(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + + prop->psoc_pci_pll_nr = RREG32(mmPSOC_PCI_PLL_NR); + prop->psoc_pci_pll_nf = RREG32(mmPSOC_PCI_PLL_NF); + prop->psoc_pci_pll_od = RREG32(mmPSOC_PCI_PLL_OD); + prop->psoc_pci_pll_div_factor = RREG32(mmPSOC_PCI_PLL_DIV_FACTOR_1); +} + +/* + * goya_late_init - GOYA late initialization code + * + * @hdev: pointer to hl_device structure + * + * Get ArmCP info and send message to CPU to enable PCI access + */ +static int goya_late_init(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + struct goya_device *goya = hdev->asic_specific; + int rc; + + rc = goya->armcp_info_get(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to get armcp info\n"); + return rc; + } + + /* Now that we have the DRAM size in ASIC prop, we need to check + * its size and configure the DMA_IF DDR wrap protection (which is in + * the MMU block) accordingly. The value is the log2 of the DRAM size + */ + WREG32(mmMMU_LOG2_DDR_SIZE, ilog2(prop->dram_size)); + + rc = goya_send_pci_access_msg(hdev, ARMCP_PACKET_ENABLE_PCI_ACCESS); + if (rc) { + dev_err(hdev->dev, "Failed to enable PCI access from CPU\n"); + return rc; + } + + WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR, + GOYA_ASYNC_EVENT_ID_INTS_REGISTER); + + goya_fetch_psoc_frequency(hdev); + + rc = goya_mmu_clear_pgt_range(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to clear MMU page tables range\n"); + goto disable_pci_access; + } + + rc = goya_mmu_set_dram_default_page(hdev); + if (rc) { + dev_err(hdev->dev, "Failed to set DRAM default page\n"); + goto disable_pci_access; + } + + return 0; + +disable_pci_access: + goya_send_pci_access_msg(hdev, ARMCP_PACKET_DISABLE_PCI_ACCESS); + + return rc; +} + +/* + * goya_late_fini - GOYA late tear-down code + * + * @hdev: pointer to hl_device structure + * + * Free sensors allocated structures + */ +void goya_late_fini(struct hl_device *hdev) +{ + const struct hwmon_channel_info **channel_info_arr; + int i = 0; + + if (!hdev->hl_chip_info->info) + return; + + channel_info_arr = hdev->hl_chip_info->info; + + while (channel_info_arr[i]) { + kfree(channel_info_arr[i]->config); + kfree(channel_info_arr[i]); + i++; + } + + kfree(channel_info_arr); + + hdev->hl_chip_info->info = NULL; +} + +/* + * goya_sw_init - Goya software initialization code + * + * @hdev: pointer to hl_device structure + * + */ +static int goya_sw_init(struct hl_device *hdev) +{ + struct goya_device *goya; + int rc; + + /* Allocate device structure */ + goya = kzalloc(sizeof(*goya), GFP_KERNEL); + if (!goya) + return -ENOMEM; + + goya->test_cpu_queue = goya_test_cpu_queue; + goya->armcp_info_get = goya_armcp_info_get; + + /* according to goya_init_iatu */ + goya->ddr_bar_cur_addr = DRAM_PHYS_BASE; + + goya->mme_clk = GOYA_PLL_FREQ_LOW; + goya->tpc_clk = GOYA_PLL_FREQ_LOW; + goya->ic_clk = GOYA_PLL_FREQ_LOW; + + hdev->asic_specific = goya; + + /* Create DMA pool for small allocations */ + hdev->dma_pool = dma_pool_create(dev_name(hdev->dev), + &hdev->pdev->dev, GOYA_DMA_POOL_BLK_SIZE, 8, 0); + if (!hdev->dma_pool) { + dev_err(hdev->dev, "failed to create DMA pool\n"); + rc = -ENOMEM; + goto free_goya_device; + } + + hdev->cpu_accessible_dma_mem = + hdev->asic_funcs->dma_alloc_coherent(hdev, + CPU_ACCESSIBLE_MEM_SIZE, + &hdev->cpu_accessible_dma_address, + GFP_KERNEL | __GFP_ZERO); + + if (!hdev->cpu_accessible_dma_mem) { + dev_err(hdev->dev, + "failed to allocate %d of dma memory for CPU accessible memory space\n", + CPU_ACCESSIBLE_MEM_SIZE); + rc = -ENOMEM; + goto free_dma_pool; + } + + hdev->cpu_accessible_dma_pool = gen_pool_create(CPU_PKT_SHIFT, -1); + if (!hdev->cpu_accessible_dma_pool) { + dev_err(hdev->dev, + "Failed to create CPU accessible DMA pool\n"); + rc = -ENOMEM; + goto free_cpu_pq_dma_mem; + } + + rc = gen_pool_add(hdev->cpu_accessible_dma_pool, + (uintptr_t) hdev->cpu_accessible_dma_mem, + CPU_ACCESSIBLE_MEM_SIZE, -1); + if (rc) { + dev_err(hdev->dev, + "Failed to add memory to CPU accessible DMA pool\n"); + rc = -EFAULT; + goto free_cpu_pq_pool; + } + + spin_lock_init(&goya->hw_queues_lock); + + return 0; + +free_cpu_pq_pool: + gen_pool_destroy(hdev->cpu_accessible_dma_pool); +free_cpu_pq_dma_mem: + hdev->asic_funcs->dma_free_coherent(hdev, CPU_ACCESSIBLE_MEM_SIZE, + hdev->cpu_accessible_dma_mem, + hdev->cpu_accessible_dma_address); +free_dma_pool: + dma_pool_destroy(hdev->dma_pool); +free_goya_device: + kfree(goya); + + return rc; +} + +/* + * goya_sw_fini - Goya software tear-down code + * + * @hdev: pointer to hl_device structure + * + */ +static int goya_sw_fini(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + + gen_pool_destroy(hdev->cpu_accessible_dma_pool); + + hdev->asic_funcs->dma_free_coherent(hdev, CPU_ACCESSIBLE_MEM_SIZE, + hdev->cpu_accessible_dma_mem, + hdev->cpu_accessible_dma_address); + + dma_pool_destroy(hdev->dma_pool); + + kfree(goya); + + return 0; +} + +static void goya_init_dma_qman(struct hl_device *hdev, int dma_id, + dma_addr_t bus_address) +{ + struct goya_device *goya = hdev->asic_specific; + u32 mtr_base_lo, mtr_base_hi; + u32 so_base_lo, so_base_hi; + u32 gic_base_lo, gic_base_hi; + u32 reg_off = dma_id * (mmDMA_QM_1_PQ_PI - mmDMA_QM_0_PQ_PI); + + mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + + gic_base_lo = + lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + gic_base_hi = + upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + + WREG32(mmDMA_QM_0_PQ_BASE_LO + reg_off, lower_32_bits(bus_address)); + WREG32(mmDMA_QM_0_PQ_BASE_HI + reg_off, upper_32_bits(bus_address)); + + WREG32(mmDMA_QM_0_PQ_SIZE + reg_off, ilog2(HL_QUEUE_LENGTH)); + WREG32(mmDMA_QM_0_PQ_PI + reg_off, 0); + WREG32(mmDMA_QM_0_PQ_CI + reg_off, 0); + + WREG32(mmDMA_QM_0_CP_MSG_BASE0_ADDR_LO + reg_off, mtr_base_lo); + WREG32(mmDMA_QM_0_CP_MSG_BASE0_ADDR_HI + reg_off, mtr_base_hi); + WREG32(mmDMA_QM_0_CP_MSG_BASE1_ADDR_LO + reg_off, so_base_lo); + WREG32(mmDMA_QM_0_CP_MSG_BASE1_ADDR_HI + reg_off, so_base_hi); + WREG32(mmDMA_QM_0_GLBL_ERR_ADDR_LO + reg_off, gic_base_lo); + WREG32(mmDMA_QM_0_GLBL_ERR_ADDR_HI + reg_off, gic_base_hi); + WREG32(mmDMA_QM_0_GLBL_ERR_WDATA + reg_off, + GOYA_ASYNC_EVENT_ID_DMA0_QM + dma_id); + + /* PQ has buffer of 2 cache lines, while CQ has 8 lines */ + WREG32(mmDMA_QM_0_PQ_CFG1 + reg_off, 0x00020002); + WREG32(mmDMA_QM_0_CQ_CFG1 + reg_off, 0x00080008); + + if (goya->hw_cap_initialized & HW_CAP_MMU) + WREG32(mmDMA_QM_0_GLBL_PROT + reg_off, QMAN_DMA_PARTLY_TRUSTED); + else + WREG32(mmDMA_QM_0_GLBL_PROT + reg_off, QMAN_DMA_FULLY_TRUSTED); + + WREG32(mmDMA_QM_0_GLBL_ERR_CFG + reg_off, QMAN_DMA_ERR_MSG_EN); + WREG32(mmDMA_QM_0_GLBL_CFG0 + reg_off, QMAN_DMA_ENABLE); +} + +static void goya_init_dma_ch(struct hl_device *hdev, int dma_id) +{ + u32 gic_base_lo, gic_base_hi; + u64 sob_addr; + u32 reg_off = dma_id * (mmDMA_CH_1_CFG1 - mmDMA_CH_0_CFG1); + + gic_base_lo = + lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + gic_base_hi = + upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + + WREG32(mmDMA_CH_0_ERRMSG_ADDR_LO + reg_off, gic_base_lo); + WREG32(mmDMA_CH_0_ERRMSG_ADDR_HI + reg_off, gic_base_hi); + WREG32(mmDMA_CH_0_ERRMSG_WDATA + reg_off, + GOYA_ASYNC_EVENT_ID_DMA0_CH + dma_id); + + if (dma_id) + sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1000 + + (dma_id - 1) * 4; + else + sob_addr = CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1007; + + WREG32(mmDMA_CH_0_WR_COMP_ADDR_LO + reg_off, lower_32_bits(sob_addr)); + WREG32(mmDMA_CH_0_WR_COMP_ADDR_HI + reg_off, upper_32_bits(sob_addr)); + WREG32(mmDMA_CH_0_WR_COMP_WDATA + reg_off, 0x80000001); +} + +/* + * goya_init_dma_qmans - Initialize QMAN DMA registers + * + * @hdev: pointer to hl_device structure + * + * Initialize the H/W registers of the QMAN DMA channels + * + */ +static void goya_init_dma_qmans(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + struct hl_hw_queue *q; + dma_addr_t bus_address; + int i; + + if (goya->hw_cap_initialized & HW_CAP_DMA) + return; + + q = &hdev->kernel_queues[0]; + + for (i = 0 ; i < NUMBER_OF_EXT_HW_QUEUES ; i++, q++) { + bus_address = q->bus_address + + hdev->asic_prop.host_phys_base_address; + + goya_init_dma_qman(hdev, i, bus_address); + goya_init_dma_ch(hdev, i); + } + + goya->hw_cap_initialized |= HW_CAP_DMA; +} + +/* + * goya_disable_external_queues - Disable external queues + * + * @hdev: pointer to hl_device structure + * + */ +static void goya_disable_external_queues(struct hl_device *hdev) +{ + WREG32(mmDMA_QM_0_GLBL_CFG0, 0); + WREG32(mmDMA_QM_1_GLBL_CFG0, 0); + WREG32(mmDMA_QM_2_GLBL_CFG0, 0); + WREG32(mmDMA_QM_3_GLBL_CFG0, 0); + WREG32(mmDMA_QM_4_GLBL_CFG0, 0); +} + +static int goya_stop_queue(struct hl_device *hdev, u32 cfg_reg, + u32 cp_sts_reg, u32 glbl_sts0_reg) +{ + int rc; + u32 status; + + /* use the values of TPC0 as they are all the same*/ + + WREG32(cfg_reg, 1 << TPC0_QM_GLBL_CFG1_CP_STOP_SHIFT); + + status = RREG32(cp_sts_reg); + if (status & TPC0_QM_CP_STS_FENCE_IN_PROGRESS_MASK) { + rc = hl_poll_timeout( + hdev, + cp_sts_reg, + status, + !(status & TPC0_QM_CP_STS_FENCE_IN_PROGRESS_MASK), + 1000, + QMAN_FENCE_TIMEOUT_USEC); + + /* if QMAN is stuck in fence no need to check for stop */ + if (rc) + return 0; + } + + rc = hl_poll_timeout( + hdev, + glbl_sts0_reg, + status, + (status & TPC0_QM_GLBL_STS0_CP_IS_STOP_MASK), + 1000, + QMAN_STOP_TIMEOUT_USEC); + + if (rc) { + dev_err(hdev->dev, + "Timeout while waiting for QMAN to stop\n"); + return -EINVAL; + } + + return 0; +} + +/* + * goya_stop_external_queues - Stop external queues + * + * @hdev: pointer to hl_device structure + * + * Returns 0 on success + * + */ +static int goya_stop_external_queues(struct hl_device *hdev) +{ + int rc, retval = 0; + + rc = goya_stop_queue(hdev, + mmDMA_QM_0_GLBL_CFG1, + mmDMA_QM_0_CP_STS, + mmDMA_QM_0_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop DMA QMAN 0\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmDMA_QM_1_GLBL_CFG1, + mmDMA_QM_1_CP_STS, + mmDMA_QM_1_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop DMA QMAN 1\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmDMA_QM_2_GLBL_CFG1, + mmDMA_QM_2_CP_STS, + mmDMA_QM_2_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop DMA QMAN 2\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmDMA_QM_3_GLBL_CFG1, + mmDMA_QM_3_CP_STS, + mmDMA_QM_3_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop DMA QMAN 3\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmDMA_QM_4_GLBL_CFG1, + mmDMA_QM_4_CP_STS, + mmDMA_QM_4_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop DMA QMAN 4\n"); + retval = -EIO; + } + + return retval; +} + +static void goya_resume_external_queues(struct hl_device *hdev) +{ + WREG32(mmDMA_QM_0_GLBL_CFG1, 0); + WREG32(mmDMA_QM_1_GLBL_CFG1, 0); + WREG32(mmDMA_QM_2_GLBL_CFG1, 0); + WREG32(mmDMA_QM_3_GLBL_CFG1, 0); + WREG32(mmDMA_QM_4_GLBL_CFG1, 0); +} + +/* + * goya_init_cpu_queues - Initialize PQ/CQ/EQ of CPU + * + * @hdev: pointer to hl_device structure + * + * Returns 0 on success + * + */ +static int goya_init_cpu_queues(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + struct hl_eq *eq; + dma_addr_t bus_address; + u32 status; + struct hl_hw_queue *cpu_pq = &hdev->kernel_queues[GOYA_QUEUE_ID_CPU_PQ]; + int err; + + if (!hdev->cpu_queues_enable) + return 0; + + if (goya->hw_cap_initialized & HW_CAP_CPU_Q) + return 0; + + eq = &hdev->event_queue; + + bus_address = cpu_pq->bus_address + + hdev->asic_prop.host_phys_base_address; + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_0, lower_32_bits(bus_address)); + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_1, upper_32_bits(bus_address)); + + bus_address = eq->bus_address + hdev->asic_prop.host_phys_base_address; + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_2, lower_32_bits(bus_address)); + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_3, upper_32_bits(bus_address)); + + bus_address = hdev->cpu_accessible_dma_address + + hdev->asic_prop.host_phys_base_address; + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_8, lower_32_bits(bus_address)); + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_9, upper_32_bits(bus_address)); + + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_5, HL_QUEUE_SIZE_IN_BYTES); + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_4, HL_EQ_SIZE_IN_BYTES); + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_10, CPU_ACCESSIBLE_MEM_SIZE); + + /* Used for EQ CI */ + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_6, 0); + + WREG32(mmCPU_IF_PF_PQ_PI, 0); + + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_7, PQ_INIT_STATUS_READY_FOR_CP); + + WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR, + GOYA_ASYNC_EVENT_ID_PI_UPDATE); + + err = hl_poll_timeout( + hdev, + mmPSOC_GLOBAL_CONF_SCRATCHPAD_7, + status, + (status == PQ_INIT_STATUS_READY_FOR_HOST), + 1000, + GOYA_CPU_TIMEOUT_USEC); + + if (err) { + dev_err(hdev->dev, + "Failed to communicate with ARM CPU (ArmCP timeout)\n"); + return -EIO; + } + + goya->hw_cap_initialized |= HW_CAP_CPU_Q; + return 0; +} + +static void goya_set_pll_refclk(struct hl_device *hdev) +{ + WREG32(mmCPU_PLL_DIV_SEL_0, 0x0); + WREG32(mmCPU_PLL_DIV_SEL_1, 0x0); + WREG32(mmCPU_PLL_DIV_SEL_2, 0x0); + WREG32(mmCPU_PLL_DIV_SEL_3, 0x0); + + WREG32(mmIC_PLL_DIV_SEL_0, 0x0); + WREG32(mmIC_PLL_DIV_SEL_1, 0x0); + WREG32(mmIC_PLL_DIV_SEL_2, 0x0); + WREG32(mmIC_PLL_DIV_SEL_3, 0x0); + + WREG32(mmMC_PLL_DIV_SEL_0, 0x0); + WREG32(mmMC_PLL_DIV_SEL_1, 0x0); + WREG32(mmMC_PLL_DIV_SEL_2, 0x0); + WREG32(mmMC_PLL_DIV_SEL_3, 0x0); + + WREG32(mmPSOC_MME_PLL_DIV_SEL_0, 0x0); + WREG32(mmPSOC_MME_PLL_DIV_SEL_1, 0x0); + WREG32(mmPSOC_MME_PLL_DIV_SEL_2, 0x0); + WREG32(mmPSOC_MME_PLL_DIV_SEL_3, 0x0); + + WREG32(mmPSOC_PCI_PLL_DIV_SEL_0, 0x0); + WREG32(mmPSOC_PCI_PLL_DIV_SEL_1, 0x0); + WREG32(mmPSOC_PCI_PLL_DIV_SEL_2, 0x0); + WREG32(mmPSOC_PCI_PLL_DIV_SEL_3, 0x0); + + WREG32(mmPSOC_EMMC_PLL_DIV_SEL_0, 0x0); + WREG32(mmPSOC_EMMC_PLL_DIV_SEL_1, 0x0); + WREG32(mmPSOC_EMMC_PLL_DIV_SEL_2, 0x0); + WREG32(mmPSOC_EMMC_PLL_DIV_SEL_3, 0x0); + + WREG32(mmTPC_PLL_DIV_SEL_0, 0x0); + WREG32(mmTPC_PLL_DIV_SEL_1, 0x0); + WREG32(mmTPC_PLL_DIV_SEL_2, 0x0); + WREG32(mmTPC_PLL_DIV_SEL_3, 0x0); +} + +static void goya_disable_clk_rlx(struct hl_device *hdev) +{ + WREG32(mmPSOC_MME_PLL_CLK_RLX_0, 0x100010); + WREG32(mmIC_PLL_CLK_RLX_0, 0x100010); +} + +static void _goya_tpc_mbist_workaround(struct hl_device *hdev, u8 tpc_id) +{ + u64 tpc_eml_address; + u32 val, tpc_offset, tpc_eml_offset, tpc_slm_offset; + int err, slm_index; + + tpc_offset = tpc_id * 0x40000; + tpc_eml_offset = tpc_id * 0x200000; + tpc_eml_address = (mmTPC0_EML_CFG_BASE + tpc_eml_offset - CFG_BASE); + tpc_slm_offset = tpc_eml_address + 0x100000; + + /* + * Workaround for Bug H2 #2443 : + * "TPC SB is not initialized on chip reset" + */ + + val = RREG32(mmTPC0_CFG_FUNC_MBIST_CNTRL + tpc_offset); + if (val & TPC0_CFG_FUNC_MBIST_CNTRL_MBIST_ACTIVE_MASK) + dev_warn(hdev->dev, "TPC%d MBIST ACTIVE is not cleared\n", + tpc_id); + + WREG32(mmTPC0_CFG_FUNC_MBIST_PAT + tpc_offset, val & 0xFFFFF000); + + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_0 + tpc_offset, 0x37FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_1 + tpc_offset, 0x303F); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_2 + tpc_offset, 0x71FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_3 + tpc_offset, 0x71FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_4 + tpc_offset, 0x70FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_5 + tpc_offset, 0x70FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_6 + tpc_offset, 0x70FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_7 + tpc_offset, 0x70FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_8 + tpc_offset, 0x70FF); + WREG32(mmTPC0_CFG_FUNC_MBIST_MEM_9 + tpc_offset, 0x70FF); + + WREG32_OR(mmTPC0_CFG_FUNC_MBIST_CNTRL + tpc_offset, + 1 << TPC0_CFG_FUNC_MBIST_CNTRL_MBIST_START_SHIFT); + + err = hl_poll_timeout( + hdev, + mmTPC0_CFG_FUNC_MBIST_CNTRL + tpc_offset, + val, + (val & TPC0_CFG_FUNC_MBIST_CNTRL_MBIST_DONE_MASK), + 1000, + HL_DEVICE_TIMEOUT_USEC); + + if (err) + dev_err(hdev->dev, + "Timeout while waiting for TPC%d MBIST DONE\n", tpc_id); + + WREG32_OR(mmTPC0_EML_CFG_DBG_CNT + tpc_eml_offset, + 1 << TPC0_EML_CFG_DBG_CNT_CORE_RST_SHIFT); + + msleep(GOYA_RESET_WAIT_MSEC); + + WREG32_AND(mmTPC0_EML_CFG_DBG_CNT + tpc_eml_offset, + ~(1 << TPC0_EML_CFG_DBG_CNT_CORE_RST_SHIFT)); + + msleep(GOYA_RESET_WAIT_MSEC); + + for (slm_index = 0 ; slm_index < 256 ; slm_index++) + WREG32(tpc_slm_offset + (slm_index << 2), 0); + + val = RREG32(tpc_slm_offset); +} + +static void goya_tpc_mbist_workaround(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + int i; + + if (hdev->pldm) + return; + + if (goya->hw_cap_initialized & HW_CAP_TPC_MBIST) + return; + + /* Workaround for H2 #2443 */ + + for (i = 0 ; i < TPC_MAX_NUM ; i++) + _goya_tpc_mbist_workaround(hdev, i); + + goya->hw_cap_initialized |= HW_CAP_TPC_MBIST; +} + +/* + * goya_init_golden_registers - Initialize golden registers + * + * @hdev: pointer to hl_device structure + * + * Initialize the H/W registers of the device + * + */ +static void goya_init_golden_registers(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + u32 polynom[10], tpc_intr_mask, offset; + int i; + + if (goya->hw_cap_initialized & HW_CAP_GOLDEN) + return; + + polynom[0] = 0x00020080; + polynom[1] = 0x00401000; + polynom[2] = 0x00200800; + polynom[3] = 0x00002000; + polynom[4] = 0x00080200; + polynom[5] = 0x00040100; + polynom[6] = 0x00100400; + polynom[7] = 0x00004000; + polynom[8] = 0x00010000; + polynom[9] = 0x00008000; + + /* Mask all arithmetic interrupts from TPC */ + tpc_intr_mask = 0x7FFF; + + for (i = 0, offset = 0 ; i < 6 ; i++, offset += 0x20000) { + WREG32(mmSRAM_Y0_X0_RTR_HBW_RD_RQ_L_ARB + offset, 0x302); + WREG32(mmSRAM_Y0_X1_RTR_HBW_RD_RQ_L_ARB + offset, 0x302); + WREG32(mmSRAM_Y0_X2_RTR_HBW_RD_RQ_L_ARB + offset, 0x302); + WREG32(mmSRAM_Y0_X3_RTR_HBW_RD_RQ_L_ARB + offset, 0x302); + WREG32(mmSRAM_Y0_X4_RTR_HBW_RD_RQ_L_ARB + offset, 0x302); + + WREG32(mmSRAM_Y0_X0_RTR_HBW_DATA_L_ARB + offset, 0x204); + WREG32(mmSRAM_Y0_X1_RTR_HBW_DATA_L_ARB + offset, 0x204); + WREG32(mmSRAM_Y0_X2_RTR_HBW_DATA_L_ARB + offset, 0x204); + WREG32(mmSRAM_Y0_X3_RTR_HBW_DATA_L_ARB + offset, 0x204); + WREG32(mmSRAM_Y0_X4_RTR_HBW_DATA_L_ARB + offset, 0x204); + + + WREG32(mmSRAM_Y0_X0_RTR_HBW_DATA_E_ARB + offset, 0x206); + WREG32(mmSRAM_Y0_X1_RTR_HBW_DATA_E_ARB + offset, 0x206); + WREG32(mmSRAM_Y0_X2_RTR_HBW_DATA_E_ARB + offset, 0x206); + WREG32(mmSRAM_Y0_X3_RTR_HBW_DATA_E_ARB + offset, 0x207); + WREG32(mmSRAM_Y0_X4_RTR_HBW_DATA_E_ARB + offset, 0x207); + + WREG32(mmSRAM_Y0_X0_RTR_HBW_DATA_W_ARB + offset, 0x207); + WREG32(mmSRAM_Y0_X1_RTR_HBW_DATA_W_ARB + offset, 0x207); + WREG32(mmSRAM_Y0_X2_RTR_HBW_DATA_W_ARB + offset, 0x206); + WREG32(mmSRAM_Y0_X3_RTR_HBW_DATA_W_ARB + offset, 0x206); + WREG32(mmSRAM_Y0_X4_RTR_HBW_DATA_W_ARB + offset, 0x206); + + WREG32(mmSRAM_Y0_X0_RTR_HBW_WR_RS_E_ARB + offset, 0x101); + WREG32(mmSRAM_Y0_X1_RTR_HBW_WR_RS_E_ARB + offset, 0x102); + WREG32(mmSRAM_Y0_X2_RTR_HBW_WR_RS_E_ARB + offset, 0x103); + WREG32(mmSRAM_Y0_X3_RTR_HBW_WR_RS_E_ARB + offset, 0x104); + WREG32(mmSRAM_Y0_X4_RTR_HBW_WR_RS_E_ARB + offset, 0x105); + + WREG32(mmSRAM_Y0_X0_RTR_HBW_WR_RS_W_ARB + offset, 0x105); + WREG32(mmSRAM_Y0_X1_RTR_HBW_WR_RS_W_ARB + offset, 0x104); + WREG32(mmSRAM_Y0_X2_RTR_HBW_WR_RS_W_ARB + offset, 0x103); + WREG32(mmSRAM_Y0_X3_RTR_HBW_WR_RS_W_ARB + offset, 0x102); + WREG32(mmSRAM_Y0_X4_RTR_HBW_WR_RS_W_ARB + offset, 0x101); + } + + WREG32(mmMME_STORE_MAX_CREDIT, 0x21); + WREG32(mmMME_AGU, 0x0f0f0f10); + WREG32(mmMME_SEI_MASK, ~0x0); + + WREG32(mmMME6_RTR_HBW_RD_RQ_N_ARB, 0x01010101); + WREG32(mmMME5_RTR_HBW_RD_RQ_N_ARB, 0x01040101); + WREG32(mmMME4_RTR_HBW_RD_RQ_N_ARB, 0x01030101); + WREG32(mmMME3_RTR_HBW_RD_RQ_N_ARB, 0x01020101); + WREG32(mmMME2_RTR_HBW_RD_RQ_N_ARB, 0x01010101); + WREG32(mmMME1_RTR_HBW_RD_RQ_N_ARB, 0x07010701); + WREG32(mmMME6_RTR_HBW_RD_RQ_S_ARB, 0x04010401); + WREG32(mmMME5_RTR_HBW_RD_RQ_S_ARB, 0x04050401); + WREG32(mmMME4_RTR_HBW_RD_RQ_S_ARB, 0x03070301); + WREG32(mmMME3_RTR_HBW_RD_RQ_S_ARB, 0x01030101); + WREG32(mmMME2_RTR_HBW_RD_RQ_S_ARB, 0x01040101); + WREG32(mmMME1_RTR_HBW_RD_RQ_S_ARB, 0x01050105); + WREG32(mmMME6_RTR_HBW_RD_RQ_W_ARB, 0x01010501); + WREG32(mmMME5_RTR_HBW_RD_RQ_W_ARB, 0x01010501); + WREG32(mmMME4_RTR_HBW_RD_RQ_W_ARB, 0x01040301); + WREG32(mmMME3_RTR_HBW_RD_RQ_W_ARB, 0x01030401); + WREG32(mmMME2_RTR_HBW_RD_RQ_W_ARB, 0x01040101); + WREG32(mmMME1_RTR_HBW_RD_RQ_W_ARB, 0x01050101); + WREG32(mmMME6_RTR_HBW_WR_RQ_N_ARB, 0x02020202); + WREG32(mmMME5_RTR_HBW_WR_RQ_N_ARB, 0x01070101); + WREG32(mmMME4_RTR_HBW_WR_RQ_N_ARB, 0x02020201); + WREG32(mmMME3_RTR_HBW_WR_RQ_N_ARB, 0x07020701); + WREG32(mmMME2_RTR_HBW_WR_RQ_N_ARB, 0x01020101); + WREG32(mmMME1_RTR_HBW_WR_RQ_S_ARB, 0x01010101); + WREG32(mmMME6_RTR_HBW_WR_RQ_S_ARB, 0x01070101); + WREG32(mmMME5_RTR_HBW_WR_RQ_S_ARB, 0x01070101); + WREG32(mmMME4_RTR_HBW_WR_RQ_S_ARB, 0x07020701); + WREG32(mmMME3_RTR_HBW_WR_RQ_S_ARB, 0x02020201); + WREG32(mmMME2_RTR_HBW_WR_RQ_S_ARB, 0x01070101); + WREG32(mmMME1_RTR_HBW_WR_RQ_S_ARB, 0x01020102); + WREG32(mmMME6_RTR_HBW_WR_RQ_W_ARB, 0x01020701); + WREG32(mmMME5_RTR_HBW_WR_RQ_W_ARB, 0x01020701); + WREG32(mmMME4_RTR_HBW_WR_RQ_W_ARB, 0x07020707); + WREG32(mmMME3_RTR_HBW_WR_RQ_W_ARB, 0x01020201); + WREG32(mmMME2_RTR_HBW_WR_RQ_W_ARB, 0x01070201); + WREG32(mmMME1_RTR_HBW_WR_RQ_W_ARB, 0x01070201); + WREG32(mmMME6_RTR_HBW_RD_RS_N_ARB, 0x01070102); + WREG32(mmMME5_RTR_HBW_RD_RS_N_ARB, 0x01070102); + WREG32(mmMME4_RTR_HBW_RD_RS_N_ARB, 0x01060102); + WREG32(mmMME3_RTR_HBW_RD_RS_N_ARB, 0x01040102); + WREG32(mmMME2_RTR_HBW_RD_RS_N_ARB, 0x01020102); + WREG32(mmMME1_RTR_HBW_RD_RS_N_ARB, 0x01020107); + WREG32(mmMME6_RTR_HBW_RD_RS_S_ARB, 0x01020106); + WREG32(mmMME5_RTR_HBW_RD_RS_S_ARB, 0x01020102); + WREG32(mmMME4_RTR_HBW_RD_RS_S_ARB, 0x01040102); + WREG32(mmMME3_RTR_HBW_RD_RS_S_ARB, 0x01060102); + WREG32(mmMME2_RTR_HBW_RD_RS_S_ARB, 0x01070102); + WREG32(mmMME1_RTR_HBW_RD_RS_S_ARB, 0x01070102); + WREG32(mmMME6_RTR_HBW_RD_RS_E_ARB, 0x01020702); + WREG32(mmMME5_RTR_HBW_RD_RS_E_ARB, 0x01020702); + WREG32(mmMME4_RTR_HBW_RD_RS_E_ARB, 0x01040602); + WREG32(mmMME3_RTR_HBW_RD_RS_E_ARB, 0x01060402); + WREG32(mmMME2_RTR_HBW_RD_RS_E_ARB, 0x01070202); + WREG32(mmMME1_RTR_HBW_RD_RS_E_ARB, 0x01070102); + WREG32(mmMME6_RTR_HBW_RD_RS_W_ARB, 0x01060401); + WREG32(mmMME5_RTR_HBW_RD_RS_W_ARB, 0x01060401); + WREG32(mmMME4_RTR_HBW_RD_RS_W_ARB, 0x01060401); + WREG32(mmMME3_RTR_HBW_RD_RS_W_ARB, 0x01060401); + WREG32(mmMME2_RTR_HBW_RD_RS_W_ARB, 0x01060401); + WREG32(mmMME1_RTR_HBW_RD_RS_W_ARB, 0x01060401); + WREG32(mmMME6_RTR_HBW_WR_RS_N_ARB, 0x01050101); + WREG32(mmMME5_RTR_HBW_WR_RS_N_ARB, 0x01040101); + WREG32(mmMME4_RTR_HBW_WR_RS_N_ARB, 0x01030101); + WREG32(mmMME3_RTR_HBW_WR_RS_N_ARB, 0x01020101); + WREG32(mmMME2_RTR_HBW_WR_RS_N_ARB, 0x01010101); + WREG32(mmMME1_RTR_HBW_WR_RS_N_ARB, 0x01010107); + WREG32(mmMME6_RTR_HBW_WR_RS_S_ARB, 0x01010107); + WREG32(mmMME5_RTR_HBW_WR_RS_S_ARB, 0x01010101); + WREG32(mmMME4_RTR_HBW_WR_RS_S_ARB, 0x01020101); + WREG32(mmMME3_RTR_HBW_WR_RS_S_ARB, 0x01030101); + WREG32(mmMME2_RTR_HBW_WR_RS_S_ARB, 0x01040101); + WREG32(mmMME1_RTR_HBW_WR_RS_S_ARB, 0x01050101); + WREG32(mmMME6_RTR_HBW_WR_RS_E_ARB, 0x01010501); + WREG32(mmMME5_RTR_HBW_WR_RS_E_ARB, 0x01010501); + WREG32(mmMME4_RTR_HBW_WR_RS_E_ARB, 0x01040301); + WREG32(mmMME3_RTR_HBW_WR_RS_E_ARB, 0x01030401); + WREG32(mmMME2_RTR_HBW_WR_RS_E_ARB, 0x01040101); + WREG32(mmMME1_RTR_HBW_WR_RS_E_ARB, 0x01050101); + WREG32(mmMME6_RTR_HBW_WR_RS_W_ARB, 0x01010101); + WREG32(mmMME5_RTR_HBW_WR_RS_W_ARB, 0x01010101); + WREG32(mmMME4_RTR_HBW_WR_RS_W_ARB, 0x01010101); + WREG32(mmMME3_RTR_HBW_WR_RS_W_ARB, 0x01010101); + WREG32(mmMME2_RTR_HBW_WR_RS_W_ARB, 0x01010101); + WREG32(mmMME1_RTR_HBW_WR_RS_W_ARB, 0x01010101); + + WREG32(mmTPC1_RTR_HBW_RD_RQ_N_ARB, 0x01010101); + WREG32(mmTPC1_RTR_HBW_RD_RQ_S_ARB, 0x01010101); + WREG32(mmTPC1_RTR_HBW_RD_RQ_E_ARB, 0x01060101); + WREG32(mmTPC1_RTR_HBW_WR_RQ_N_ARB, 0x02020102); + WREG32(mmTPC1_RTR_HBW_WR_RQ_S_ARB, 0x01010101); + WREG32(mmTPC1_RTR_HBW_WR_RQ_E_ARB, 0x02070202); + WREG32(mmTPC1_RTR_HBW_RD_RS_N_ARB, 0x01020201); + WREG32(mmTPC1_RTR_HBW_RD_RS_S_ARB, 0x01070201); + WREG32(mmTPC1_RTR_HBW_RD_RS_W_ARB, 0x01070202); + WREG32(mmTPC1_RTR_HBW_WR_RS_N_ARB, 0x01010101); + WREG32(mmTPC1_RTR_HBW_WR_RS_S_ARB, 0x01050101); + WREG32(mmTPC1_RTR_HBW_WR_RS_W_ARB, 0x01050101); + + WREG32(mmTPC2_RTR_HBW_RD_RQ_N_ARB, 0x01020101); + WREG32(mmTPC2_RTR_HBW_RD_RQ_S_ARB, 0x01050101); + WREG32(mmTPC2_RTR_HBW_RD_RQ_E_ARB, 0x01010201); + WREG32(mmTPC2_RTR_HBW_WR_RQ_N_ARB, 0x02040102); + WREG32(mmTPC2_RTR_HBW_WR_RQ_S_ARB, 0x01050101); + WREG32(mmTPC2_RTR_HBW_WR_RQ_E_ARB, 0x02060202); + WREG32(mmTPC2_RTR_HBW_RD_RS_N_ARB, 0x01020201); + WREG32(mmTPC2_RTR_HBW_RD_RS_S_ARB, 0x01070201); + WREG32(mmTPC2_RTR_HBW_RD_RS_W_ARB, 0x01070202); + WREG32(mmTPC2_RTR_HBW_WR_RS_N_ARB, 0x01010101); + WREG32(mmTPC2_RTR_HBW_WR_RS_S_ARB, 0x01040101); + WREG32(mmTPC2_RTR_HBW_WR_RS_W_ARB, 0x01040101); + + WREG32(mmTPC3_RTR_HBW_RD_RQ_N_ARB, 0x01030101); + WREG32(mmTPC3_RTR_HBW_RD_RQ_S_ARB, 0x01040101); + WREG32(mmTPC3_RTR_HBW_RD_RQ_E_ARB, 0x01040301); + WREG32(mmTPC3_RTR_HBW_WR_RQ_N_ARB, 0x02060102); + WREG32(mmTPC3_RTR_HBW_WR_RQ_S_ARB, 0x01040101); + WREG32(mmTPC3_RTR_HBW_WR_RQ_E_ARB, 0x01040301); + WREG32(mmTPC3_RTR_HBW_RD_RS_N_ARB, 0x01040201); + WREG32(mmTPC3_RTR_HBW_RD_RS_S_ARB, 0x01060201); + WREG32(mmTPC3_RTR_HBW_RD_RS_W_ARB, 0x01060402); + WREG32(mmTPC3_RTR_HBW_WR_RS_N_ARB, 0x01020101); + WREG32(mmTPC3_RTR_HBW_WR_RS_S_ARB, 0x01030101); + WREG32(mmTPC3_RTR_HBW_WR_RS_W_ARB, 0x01030401); + + WREG32(mmTPC4_RTR_HBW_RD_RQ_N_ARB, 0x01040101); + WREG32(mmTPC4_RTR_HBW_RD_RQ_S_ARB, 0x01030101); + WREG32(mmTPC4_RTR_HBW_RD_RQ_E_ARB, 0x01030401); + WREG32(mmTPC4_RTR_HBW_WR_RQ_N_ARB, 0x02070102); + WREG32(mmTPC4_RTR_HBW_WR_RQ_S_ARB, 0x01030101); + WREG32(mmTPC4_RTR_HBW_WR_RQ_E_ARB, 0x02060702); + WREG32(mmTPC4_RTR_HBW_RD_RS_N_ARB, 0x01060201); + WREG32(mmTPC4_RTR_HBW_RD_RS_S_ARB, 0x01040201); + WREG32(mmTPC4_RTR_HBW_RD_RS_W_ARB, 0x01040602); + WREG32(mmTPC4_RTR_HBW_WR_RS_N_ARB, 0x01030101); + WREG32(mmTPC4_RTR_HBW_WR_RS_S_ARB, 0x01020101); + WREG32(mmTPC4_RTR_HBW_WR_RS_W_ARB, 0x01040301); + + WREG32(mmTPC5_RTR_HBW_RD_RQ_N_ARB, 0x01050101); + WREG32(mmTPC5_RTR_HBW_RD_RQ_S_ARB, 0x01020101); + WREG32(mmTPC5_RTR_HBW_RD_RQ_E_ARB, 0x01200501); + WREG32(mmTPC5_RTR_HBW_WR_RQ_N_ARB, 0x02070102); + WREG32(mmTPC5_RTR_HBW_WR_RQ_S_ARB, 0x01020101); + WREG32(mmTPC5_RTR_HBW_WR_RQ_E_ARB, 0x02020602); + WREG32(mmTPC5_RTR_HBW_RD_RS_N_ARB, 0x01070201); + WREG32(mmTPC5_RTR_HBW_RD_RS_S_ARB, 0x01020201); + WREG32(mmTPC5_RTR_HBW_RD_RS_W_ARB, 0x01020702); + WREG32(mmTPC5_RTR_HBW_WR_RS_N_ARB, 0x01040101); + WREG32(mmTPC5_RTR_HBW_WR_RS_S_ARB, 0x01010101); + WREG32(mmTPC5_RTR_HBW_WR_RS_W_ARB, 0x01010501); + + WREG32(mmTPC6_RTR_HBW_RD_RQ_N_ARB, 0x01010101); + WREG32(mmTPC6_RTR_HBW_RD_RQ_S_ARB, 0x01010101); + WREG32(mmTPC6_RTR_HBW_RD_RQ_E_ARB, 0x01010601); + WREG32(mmTPC6_RTR_HBW_WR_RQ_N_ARB, 0x01010101); + WREG32(mmTPC6_RTR_HBW_WR_RQ_S_ARB, 0x01010101); + WREG32(mmTPC6_RTR_HBW_WR_RQ_E_ARB, 0x02020702); + WREG32(mmTPC6_RTR_HBW_RD_RS_N_ARB, 0x01010101); + WREG32(mmTPC6_RTR_HBW_RD_RS_S_ARB, 0x01010101); + WREG32(mmTPC6_RTR_HBW_RD_RS_W_ARB, 0x01020702); + WREG32(mmTPC6_RTR_HBW_WR_RS_N_ARB, 0x01050101); + WREG32(mmTPC6_RTR_HBW_WR_RS_S_ARB, 0x01010101); + WREG32(mmTPC6_RTR_HBW_WR_RS_W_ARB, 0x01010501); + + for (i = 0, offset = 0 ; i < 10 ; i++, offset += 4) { + WREG32(mmMME1_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmMME2_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmMME3_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmMME4_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmMME5_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmMME6_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + + WREG32(mmTPC0_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmTPC1_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmTPC2_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmTPC3_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmTPC4_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmTPC5_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmTPC6_RTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmTPC7_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + + WREG32(mmPCI_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + WREG32(mmDMA_NRTR_SPLIT_COEF_0 + offset, polynom[i] >> 7); + } + + for (i = 0, offset = 0 ; i < 6 ; i++, offset += 0x40000) { + WREG32(mmMME1_RTR_SCRAMB_EN + offset, + 1 << MME1_RTR_SCRAMB_EN_VAL_SHIFT); + WREG32(mmMME1_RTR_NON_LIN_SCRAMB + offset, + 1 << MME1_RTR_NON_LIN_SCRAMB_EN_SHIFT); + } + + for (i = 0, offset = 0 ; i < 8 ; i++, offset += 0x40000) { + /* + * Workaround for Bug H2 #2441 : + * "ST.NOP set trace event illegal opcode" + */ + WREG32(mmTPC0_CFG_TPC_INTR_MASK + offset, tpc_intr_mask); + + WREG32(mmTPC0_NRTR_SCRAMB_EN + offset, + 1 << TPC0_NRTR_SCRAMB_EN_VAL_SHIFT); + WREG32(mmTPC0_NRTR_NON_LIN_SCRAMB + offset, + 1 << TPC0_NRTR_NON_LIN_SCRAMB_EN_SHIFT); + } + + WREG32(mmDMA_NRTR_SCRAMB_EN, 1 << DMA_NRTR_SCRAMB_EN_VAL_SHIFT); + WREG32(mmDMA_NRTR_NON_LIN_SCRAMB, + 1 << DMA_NRTR_NON_LIN_SCRAMB_EN_SHIFT); + + WREG32(mmPCI_NRTR_SCRAMB_EN, 1 << PCI_NRTR_SCRAMB_EN_VAL_SHIFT); + WREG32(mmPCI_NRTR_NON_LIN_SCRAMB, + 1 << PCI_NRTR_NON_LIN_SCRAMB_EN_SHIFT); + + /* + * Workaround for H2 #HW-23 bug + * Set DMA max outstanding read requests to 240 on DMA CH 1. Set it + * to 16 on KMD DMA + * We need to limit only these DMAs because the user can only read + * from Host using DMA CH 1 + */ + WREG32(mmDMA_CH_0_CFG0, 0x0fff0010); + WREG32(mmDMA_CH_1_CFG0, 0x0fff00F0); + + goya->hw_cap_initialized |= HW_CAP_GOLDEN; +} + +static void goya_init_mme_qman(struct hl_device *hdev) +{ + u32 mtr_base_lo, mtr_base_hi; + u32 so_base_lo, so_base_hi; + u32 gic_base_lo, gic_base_hi; + u64 qman_base_addr; + + mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + + gic_base_lo = + lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + gic_base_hi = + upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + + qman_base_addr = hdev->asic_prop.sram_base_address + + MME_QMAN_BASE_OFFSET; + + WREG32(mmMME_QM_PQ_BASE_LO, lower_32_bits(qman_base_addr)); + WREG32(mmMME_QM_PQ_BASE_HI, upper_32_bits(qman_base_addr)); + WREG32(mmMME_QM_PQ_SIZE, ilog2(MME_QMAN_LENGTH)); + WREG32(mmMME_QM_PQ_PI, 0); + WREG32(mmMME_QM_PQ_CI, 0); + WREG32(mmMME_QM_CP_LDMA_SRC_BASE_LO_OFFSET, 0x10C0); + WREG32(mmMME_QM_CP_LDMA_SRC_BASE_HI_OFFSET, 0x10C4); + WREG32(mmMME_QM_CP_LDMA_TSIZE_OFFSET, 0x10C8); + WREG32(mmMME_QM_CP_LDMA_COMMIT_OFFSET, 0x10CC); + + WREG32(mmMME_QM_CP_MSG_BASE0_ADDR_LO, mtr_base_lo); + WREG32(mmMME_QM_CP_MSG_BASE0_ADDR_HI, mtr_base_hi); + WREG32(mmMME_QM_CP_MSG_BASE1_ADDR_LO, so_base_lo); + WREG32(mmMME_QM_CP_MSG_BASE1_ADDR_HI, so_base_hi); + + /* QMAN CQ has 8 cache lines */ + WREG32(mmMME_QM_CQ_CFG1, 0x00080008); + + WREG32(mmMME_QM_GLBL_ERR_ADDR_LO, gic_base_lo); + WREG32(mmMME_QM_GLBL_ERR_ADDR_HI, gic_base_hi); + + WREG32(mmMME_QM_GLBL_ERR_WDATA, GOYA_ASYNC_EVENT_ID_MME_QM); + + WREG32(mmMME_QM_GLBL_ERR_CFG, QMAN_MME_ERR_MSG_EN); + + WREG32(mmMME_QM_GLBL_PROT, QMAN_MME_ERR_PROT); + + WREG32(mmMME_QM_GLBL_CFG0, QMAN_MME_ENABLE); +} + +static void goya_init_mme_cmdq(struct hl_device *hdev) +{ + u32 mtr_base_lo, mtr_base_hi; + u32 so_base_lo, so_base_hi; + u32 gic_base_lo, gic_base_hi; + u64 qman_base_addr; + + mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + + gic_base_lo = + lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + gic_base_hi = + upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + + qman_base_addr = hdev->asic_prop.sram_base_address + + MME_QMAN_BASE_OFFSET; + + WREG32(mmMME_CMDQ_CP_MSG_BASE0_ADDR_LO, mtr_base_lo); + WREG32(mmMME_CMDQ_CP_MSG_BASE0_ADDR_HI, mtr_base_hi); + WREG32(mmMME_CMDQ_CP_MSG_BASE1_ADDR_LO, so_base_lo); + WREG32(mmMME_CMDQ_CP_MSG_BASE1_ADDR_HI, so_base_hi); + + /* CMDQ CQ has 20 cache lines */ + WREG32(mmMME_CMDQ_CQ_CFG1, 0x00140014); + + WREG32(mmMME_CMDQ_GLBL_ERR_ADDR_LO, gic_base_lo); + WREG32(mmMME_CMDQ_GLBL_ERR_ADDR_HI, gic_base_hi); + + WREG32(mmMME_CMDQ_GLBL_ERR_WDATA, GOYA_ASYNC_EVENT_ID_MME_CMDQ); + + WREG32(mmMME_CMDQ_GLBL_ERR_CFG, CMDQ_MME_ERR_MSG_EN); + + WREG32(mmMME_CMDQ_GLBL_PROT, CMDQ_MME_ERR_PROT); + + WREG32(mmMME_CMDQ_GLBL_CFG0, CMDQ_MME_ENABLE); +} + +static void goya_init_mme_qmans(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + u32 so_base_lo, so_base_hi; + + if (goya->hw_cap_initialized & HW_CAP_MME) + return; + + so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + + WREG32(mmMME_SM_BASE_ADDRESS_LOW, so_base_lo); + WREG32(mmMME_SM_BASE_ADDRESS_HIGH, so_base_hi); + + goya_init_mme_qman(hdev); + goya_init_mme_cmdq(hdev); + + goya->hw_cap_initialized |= HW_CAP_MME; +} + +static void goya_init_tpc_qman(struct hl_device *hdev, u32 base_off, int tpc_id) +{ + u32 mtr_base_lo, mtr_base_hi; + u32 so_base_lo, so_base_hi; + u32 gic_base_lo, gic_base_hi; + u64 qman_base_addr; + u32 reg_off = tpc_id * (mmTPC1_QM_PQ_PI - mmTPC0_QM_PQ_PI); + + mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + + gic_base_lo = + lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + gic_base_hi = + upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + + qman_base_addr = hdev->asic_prop.sram_base_address + base_off; + + WREG32(mmTPC0_QM_PQ_BASE_LO + reg_off, lower_32_bits(qman_base_addr)); + WREG32(mmTPC0_QM_PQ_BASE_HI + reg_off, upper_32_bits(qman_base_addr)); + WREG32(mmTPC0_QM_PQ_SIZE + reg_off, ilog2(TPC_QMAN_LENGTH)); + WREG32(mmTPC0_QM_PQ_PI + reg_off, 0); + WREG32(mmTPC0_QM_PQ_CI + reg_off, 0); + WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_LO_OFFSET + reg_off, 0x10C0); + WREG32(mmTPC0_QM_CP_LDMA_SRC_BASE_HI_OFFSET + reg_off, 0x10C4); + WREG32(mmTPC0_QM_CP_LDMA_TSIZE_OFFSET + reg_off, 0x10C8); + WREG32(mmTPC0_QM_CP_LDMA_COMMIT_OFFSET + reg_off, 0x10CC); + + WREG32(mmTPC0_QM_CP_MSG_BASE0_ADDR_LO + reg_off, mtr_base_lo); + WREG32(mmTPC0_QM_CP_MSG_BASE0_ADDR_HI + reg_off, mtr_base_hi); + WREG32(mmTPC0_QM_CP_MSG_BASE1_ADDR_LO + reg_off, so_base_lo); + WREG32(mmTPC0_QM_CP_MSG_BASE1_ADDR_HI + reg_off, so_base_hi); + + WREG32(mmTPC0_QM_CQ_CFG1 + reg_off, 0x00080008); + + WREG32(mmTPC0_QM_GLBL_ERR_ADDR_LO + reg_off, gic_base_lo); + WREG32(mmTPC0_QM_GLBL_ERR_ADDR_HI + reg_off, gic_base_hi); + + WREG32(mmTPC0_QM_GLBL_ERR_WDATA + reg_off, + GOYA_ASYNC_EVENT_ID_TPC0_QM + tpc_id); + + WREG32(mmTPC0_QM_GLBL_ERR_CFG + reg_off, QMAN_TPC_ERR_MSG_EN); + + WREG32(mmTPC0_QM_GLBL_PROT + reg_off, QMAN_TPC_ERR_PROT); + + WREG32(mmTPC0_QM_GLBL_CFG0 + reg_off, QMAN_TPC_ENABLE); +} + +static void goya_init_tpc_cmdq(struct hl_device *hdev, int tpc_id) +{ + u32 mtr_base_lo, mtr_base_hi; + u32 so_base_lo, so_base_hi; + u32 gic_base_lo, gic_base_hi; + u32 reg_off = tpc_id * (mmTPC1_CMDQ_CQ_CFG1 - mmTPC0_CMDQ_CQ_CFG1); + + mtr_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + mtr_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_MON_PAY_ADDRL_0); + so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + + gic_base_lo = + lower_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + gic_base_hi = + upper_32_bits(CFG_BASE + mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR); + + WREG32(mmTPC0_CMDQ_CP_MSG_BASE0_ADDR_LO + reg_off, mtr_base_lo); + WREG32(mmTPC0_CMDQ_CP_MSG_BASE0_ADDR_HI + reg_off, mtr_base_hi); + WREG32(mmTPC0_CMDQ_CP_MSG_BASE1_ADDR_LO + reg_off, so_base_lo); + WREG32(mmTPC0_CMDQ_CP_MSG_BASE1_ADDR_HI + reg_off, so_base_hi); + + WREG32(mmTPC0_CMDQ_CQ_CFG1 + reg_off, 0x00140014); + + WREG32(mmTPC0_CMDQ_GLBL_ERR_ADDR_LO + reg_off, gic_base_lo); + WREG32(mmTPC0_CMDQ_GLBL_ERR_ADDR_HI + reg_off, gic_base_hi); + + WREG32(mmTPC0_CMDQ_GLBL_ERR_WDATA + reg_off, + GOYA_ASYNC_EVENT_ID_TPC0_CMDQ + tpc_id); + + WREG32(mmTPC0_CMDQ_GLBL_ERR_CFG + reg_off, CMDQ_TPC_ERR_MSG_EN); + + WREG32(mmTPC0_CMDQ_GLBL_PROT + reg_off, CMDQ_TPC_ERR_PROT); + + WREG32(mmTPC0_CMDQ_GLBL_CFG0 + reg_off, CMDQ_TPC_ENABLE); +} + +static void goya_init_tpc_qmans(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + u32 so_base_lo, so_base_hi; + u32 cfg_off = mmTPC1_CFG_SM_BASE_ADDRESS_LOW - + mmTPC0_CFG_SM_BASE_ADDRESS_LOW; + int i; + + if (goya->hw_cap_initialized & HW_CAP_TPC) + return; + + so_base_lo = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + so_base_hi = upper_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + + for (i = 0 ; i < TPC_MAX_NUM ; i++) { + WREG32(mmTPC0_CFG_SM_BASE_ADDRESS_LOW + i * cfg_off, + so_base_lo); + WREG32(mmTPC0_CFG_SM_BASE_ADDRESS_HIGH + i * cfg_off, + so_base_hi); + } + + goya_init_tpc_qman(hdev, TPC0_QMAN_BASE_OFFSET, 0); + goya_init_tpc_qman(hdev, TPC1_QMAN_BASE_OFFSET, 1); + goya_init_tpc_qman(hdev, TPC2_QMAN_BASE_OFFSET, 2); + goya_init_tpc_qman(hdev, TPC3_QMAN_BASE_OFFSET, 3); + goya_init_tpc_qman(hdev, TPC4_QMAN_BASE_OFFSET, 4); + goya_init_tpc_qman(hdev, TPC5_QMAN_BASE_OFFSET, 5); + goya_init_tpc_qman(hdev, TPC6_QMAN_BASE_OFFSET, 6); + goya_init_tpc_qman(hdev, TPC7_QMAN_BASE_OFFSET, 7); + + for (i = 0 ; i < TPC_MAX_NUM ; i++) + goya_init_tpc_cmdq(hdev, i); + + goya->hw_cap_initialized |= HW_CAP_TPC; +} + +/* + * goya_disable_internal_queues - Disable internal queues + * + * @hdev: pointer to hl_device structure + * + */ +static void goya_disable_internal_queues(struct hl_device *hdev) +{ + WREG32(mmMME_QM_GLBL_CFG0, 0); + WREG32(mmMME_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC0_QM_GLBL_CFG0, 0); + WREG32(mmTPC0_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC1_QM_GLBL_CFG0, 0); + WREG32(mmTPC1_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC2_QM_GLBL_CFG0, 0); + WREG32(mmTPC2_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC3_QM_GLBL_CFG0, 0); + WREG32(mmTPC3_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC4_QM_GLBL_CFG0, 0); + WREG32(mmTPC4_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC5_QM_GLBL_CFG0, 0); + WREG32(mmTPC5_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC6_QM_GLBL_CFG0, 0); + WREG32(mmTPC6_CMDQ_GLBL_CFG0, 0); + + WREG32(mmTPC7_QM_GLBL_CFG0, 0); + WREG32(mmTPC7_CMDQ_GLBL_CFG0, 0); +} + +/* + * goya_stop_internal_queues - Stop internal queues + * + * @hdev: pointer to hl_device structure + * + * Returns 0 on success + * + */ +static int goya_stop_internal_queues(struct hl_device *hdev) +{ + int rc, retval = 0; + + /* + * Each queue (QMAN) is a separate H/W logic. That means that each + * QMAN can be stopped independently and failure to stop one does NOT + * mandate we should not try to stop other QMANs + */ + + rc = goya_stop_queue(hdev, + mmMME_QM_GLBL_CFG1, + mmMME_QM_CP_STS, + mmMME_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop MME QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmMME_CMDQ_GLBL_CFG1, + mmMME_CMDQ_CP_STS, + mmMME_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop MME CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC0_QM_GLBL_CFG1, + mmTPC0_QM_CP_STS, + mmTPC0_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 0 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC0_CMDQ_GLBL_CFG1, + mmTPC0_CMDQ_CP_STS, + mmTPC0_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 0 CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC1_QM_GLBL_CFG1, + mmTPC1_QM_CP_STS, + mmTPC1_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 1 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC1_CMDQ_GLBL_CFG1, + mmTPC1_CMDQ_CP_STS, + mmTPC1_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 1 CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC2_QM_GLBL_CFG1, + mmTPC2_QM_CP_STS, + mmTPC2_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 2 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC2_CMDQ_GLBL_CFG1, + mmTPC2_CMDQ_CP_STS, + mmTPC2_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 2 CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC3_QM_GLBL_CFG1, + mmTPC3_QM_CP_STS, + mmTPC3_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 3 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC3_CMDQ_GLBL_CFG1, + mmTPC3_CMDQ_CP_STS, + mmTPC3_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 3 CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC4_QM_GLBL_CFG1, + mmTPC4_QM_CP_STS, + mmTPC4_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 4 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC4_CMDQ_GLBL_CFG1, + mmTPC4_CMDQ_CP_STS, + mmTPC4_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 4 CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC5_QM_GLBL_CFG1, + mmTPC5_QM_CP_STS, + mmTPC5_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 5 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC5_CMDQ_GLBL_CFG1, + mmTPC5_CMDQ_CP_STS, + mmTPC5_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 5 CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC6_QM_GLBL_CFG1, + mmTPC6_QM_CP_STS, + mmTPC6_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 6 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC6_CMDQ_GLBL_CFG1, + mmTPC6_CMDQ_CP_STS, + mmTPC6_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 6 CMDQ\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC7_QM_GLBL_CFG1, + mmTPC7_QM_CP_STS, + mmTPC7_QM_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 7 QMAN\n"); + retval = -EIO; + } + + rc = goya_stop_queue(hdev, + mmTPC7_CMDQ_GLBL_CFG1, + mmTPC7_CMDQ_CP_STS, + mmTPC7_CMDQ_GLBL_STS0); + + if (rc) { + dev_err(hdev->dev, "failed to stop TPC 7 CMDQ\n"); + retval = -EIO; + } + + return retval; +} + +static void goya_resume_internal_queues(struct hl_device *hdev) +{ + WREG32(mmMME_QM_GLBL_CFG1, 0); + WREG32(mmMME_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC0_QM_GLBL_CFG1, 0); + WREG32(mmTPC0_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC1_QM_GLBL_CFG1, 0); + WREG32(mmTPC1_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC2_QM_GLBL_CFG1, 0); + WREG32(mmTPC2_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC3_QM_GLBL_CFG1, 0); + WREG32(mmTPC3_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC4_QM_GLBL_CFG1, 0); + WREG32(mmTPC4_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC5_QM_GLBL_CFG1, 0); + WREG32(mmTPC5_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC6_QM_GLBL_CFG1, 0); + WREG32(mmTPC6_CMDQ_GLBL_CFG1, 0); + + WREG32(mmTPC7_QM_GLBL_CFG1, 0); + WREG32(mmTPC7_CMDQ_GLBL_CFG1, 0); +} + +static void goya_dma_stall(struct hl_device *hdev) +{ + WREG32(mmDMA_QM_0_GLBL_CFG1, 1 << DMA_QM_0_GLBL_CFG1_DMA_STOP_SHIFT); + WREG32(mmDMA_QM_1_GLBL_CFG1, 1 << DMA_QM_1_GLBL_CFG1_DMA_STOP_SHIFT); + WREG32(mmDMA_QM_2_GLBL_CFG1, 1 << DMA_QM_2_GLBL_CFG1_DMA_STOP_SHIFT); + WREG32(mmDMA_QM_3_GLBL_CFG1, 1 << DMA_QM_3_GLBL_CFG1_DMA_STOP_SHIFT); + WREG32(mmDMA_QM_4_GLBL_CFG1, 1 << DMA_QM_4_GLBL_CFG1_DMA_STOP_SHIFT); +} + +static void goya_tpc_stall(struct hl_device *hdev) +{ + WREG32(mmTPC0_CFG_TPC_STALL, 1 << TPC0_CFG_TPC_STALL_V_SHIFT); + WREG32(mmTPC1_CFG_TPC_STALL, 1 << TPC1_CFG_TPC_STALL_V_SHIFT); + WREG32(mmTPC2_CFG_TPC_STALL, 1 << TPC2_CFG_TPC_STALL_V_SHIFT); + WREG32(mmTPC3_CFG_TPC_STALL, 1 << TPC3_CFG_TPC_STALL_V_SHIFT); + WREG32(mmTPC4_CFG_TPC_STALL, 1 << TPC4_CFG_TPC_STALL_V_SHIFT); + WREG32(mmTPC5_CFG_TPC_STALL, 1 << TPC5_CFG_TPC_STALL_V_SHIFT); + WREG32(mmTPC6_CFG_TPC_STALL, 1 << TPC6_CFG_TPC_STALL_V_SHIFT); + WREG32(mmTPC7_CFG_TPC_STALL, 1 << TPC7_CFG_TPC_STALL_V_SHIFT); +} + +static void goya_mme_stall(struct hl_device *hdev) +{ + WREG32(mmMME_STALL, 0xFFFFFFFF); +} + +static int goya_enable_msix(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + int cq_cnt = hdev->asic_prop.completion_queues_count; + int rc, i, irq_cnt_init, irq; + + if (goya->hw_cap_initialized & HW_CAP_MSIX) + return 0; + + rc = pci_alloc_irq_vectors(hdev->pdev, GOYA_MSIX_ENTRIES, + GOYA_MSIX_ENTRIES, PCI_IRQ_MSIX); + if (rc < 0) { + dev_err(hdev->dev, + "MSI-X: Failed to enable support -- %d/%d\n", + GOYA_MSIX_ENTRIES, rc); + return rc; + } + + for (i = 0, irq_cnt_init = 0 ; i < cq_cnt ; i++, irq_cnt_init++) { + irq = pci_irq_vector(hdev->pdev, i); + rc = request_irq(irq, hl_irq_handler_cq, 0, goya_irq_name[i], + &hdev->completion_queue[i]); + if (rc) { + dev_err(hdev->dev, "Failed to request IRQ %d", irq); + goto free_irqs; + } + } + + irq = pci_irq_vector(hdev->pdev, EVENT_QUEUE_MSIX_IDX); + + rc = request_irq(irq, hl_irq_handler_eq, 0, + goya_irq_name[EVENT_QUEUE_MSIX_IDX], + &hdev->event_queue); + if (rc) { + dev_err(hdev->dev, "Failed to request IRQ %d", irq); + goto free_irqs; + } + + goya->hw_cap_initialized |= HW_CAP_MSIX; + return 0; + +free_irqs: + for (i = 0 ; i < irq_cnt_init ; i++) + free_irq(pci_irq_vector(hdev->pdev, i), + &hdev->completion_queue[i]); + + pci_free_irq_vectors(hdev->pdev); + return rc; +} + +static void goya_sync_irqs(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + int i; + + if (!(goya->hw_cap_initialized & HW_CAP_MSIX)) + return; + + /* Wait for all pending IRQs to be finished */ + for (i = 0 ; i < hdev->asic_prop.completion_queues_count ; i++) + synchronize_irq(pci_irq_vector(hdev->pdev, i)); + + synchronize_irq(pci_irq_vector(hdev->pdev, EVENT_QUEUE_MSIX_IDX)); +} + +static void goya_disable_msix(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + int i, irq; + + if (!(goya->hw_cap_initialized & HW_CAP_MSIX)) + return; + + goya_sync_irqs(hdev); + + irq = pci_irq_vector(hdev->pdev, EVENT_QUEUE_MSIX_IDX); + free_irq(irq, &hdev->event_queue); + + for (i = 0 ; i < hdev->asic_prop.completion_queues_count ; i++) { + irq = pci_irq_vector(hdev->pdev, i); + free_irq(irq, &hdev->completion_queue[i]); + } + + pci_free_irq_vectors(hdev->pdev); + + goya->hw_cap_initialized &= ~HW_CAP_MSIX; +} + +static void goya_halt_engines(struct hl_device *hdev, bool hard_reset) +{ + u32 wait_timeout_ms, cpu_timeout_ms; + + dev_info(hdev->dev, + "Halting compute engines and disabling interrupts\n"); + + if (hdev->pldm) { + wait_timeout_ms = GOYA_PLDM_RESET_WAIT_MSEC; + cpu_timeout_ms = GOYA_PLDM_RESET_WAIT_MSEC; + } else { + wait_timeout_ms = GOYA_RESET_WAIT_MSEC; + cpu_timeout_ms = GOYA_CPU_RESET_WAIT_MSEC; + } + + if (hard_reset) { + /* + * I don't know what is the state of the CPU so make sure it is + * stopped in any means necessary + */ + WREG32(mmPSOC_GLOBAL_CONF_UBOOT_MAGIC, KMD_MSG_GOTO_WFE); + WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR, + GOYA_ASYNC_EVENT_ID_HALT_MACHINE); + msleep(cpu_timeout_ms); + } + + goya_stop_external_queues(hdev); + goya_stop_internal_queues(hdev); + + msleep(wait_timeout_ms); + + goya_dma_stall(hdev); + goya_tpc_stall(hdev); + goya_mme_stall(hdev); + + msleep(wait_timeout_ms); + + goya_disable_external_queues(hdev); + goya_disable_internal_queues(hdev); + + if (hard_reset) + goya_disable_msix(hdev); + else + goya_sync_irqs(hdev); +} + +/* + * goya_push_fw_to_device - Push FW code to device + * + * @hdev: pointer to hl_device structure + * + * Copy fw code from firmware file to device memory. + * Returns 0 on success + * + */ +static int goya_push_fw_to_device(struct hl_device *hdev, const char *fw_name, + void __iomem *dst) +{ + const struct firmware *fw; + const u64 *fw_data; + size_t fw_size, i; + int rc; + + rc = request_firmware(&fw, fw_name, hdev->dev); + + if (rc) { + dev_err(hdev->dev, "Failed to request %s\n", fw_name); + goto out; + } + + fw_size = fw->size; + if ((fw_size % 4) != 0) { + dev_err(hdev->dev, "illegal %s firmware size %zu\n", + fw_name, fw_size); + rc = -EINVAL; + goto out; + } + + dev_dbg(hdev->dev, "%s firmware size == %zu\n", fw_name, fw_size); + + fw_data = (const u64 *) fw->data; + + if ((fw->size % 8) != 0) + fw_size -= 8; + + for (i = 0 ; i < fw_size ; i += 8, fw_data++, dst += 8) { + if (!(i & (0x80000 - 1))) { + dev_dbg(hdev->dev, + "copied so far %zu out of %zu for %s firmware", + i, fw_size, fw_name); + usleep_range(20, 100); + } + + writeq(*fw_data, dst); + } + + if ((fw->size % 8) != 0) + writel(*(const u32 *) fw_data, dst); + +out: + release_firmware(fw); + return rc; +} + +static int goya_pldm_init_cpu(struct hl_device *hdev) +{ + char fw_name[200]; + void __iomem *dst; + u32 val, unit_rst_val; + int rc; + + /* Must initialize SRAM scrambler before pushing u-boot to SRAM */ + goya_init_golden_registers(hdev); + + /* Put ARM cores into reset */ + WREG32(mmCPU_CA53_CFG_ARM_RST_CONTROL, CPU_RESET_ASSERT); + val = RREG32(mmCPU_CA53_CFG_ARM_RST_CONTROL); + + /* Reset the CA53 MACRO */ + unit_rst_val = RREG32(mmPSOC_GLOBAL_CONF_UNIT_RST_N); + WREG32(mmPSOC_GLOBAL_CONF_UNIT_RST_N, CA53_RESET); + val = RREG32(mmPSOC_GLOBAL_CONF_UNIT_RST_N); + WREG32(mmPSOC_GLOBAL_CONF_UNIT_RST_N, unit_rst_val); + val = RREG32(mmPSOC_GLOBAL_CONF_UNIT_RST_N); + + snprintf(fw_name, sizeof(fw_name), "habanalabs/goya/goya-u-boot.bin"); + dst = hdev->pcie_bar[SRAM_CFG_BAR_ID] + UBOOT_FW_OFFSET; + rc = goya_push_fw_to_device(hdev, fw_name, dst); + if (rc) + return rc; + + snprintf(fw_name, sizeof(fw_name), "habanalabs/goya/goya-fit.itb"); + dst = hdev->pcie_bar[DDR_BAR_ID] + LINUX_FW_OFFSET; + rc = goya_push_fw_to_device(hdev, fw_name, dst); + if (rc) + return rc; + + WREG32(mmPSOC_GLOBAL_CONF_UBOOT_MAGIC, KMD_MSG_FIT_RDY); + WREG32(mmPSOC_GLOBAL_CONF_WARM_REBOOT, CPU_BOOT_STATUS_NA); + + WREG32(mmCPU_CA53_CFG_RST_ADDR_LSB_0, + lower_32_bits(SRAM_BASE_ADDR + UBOOT_FW_OFFSET)); + WREG32(mmCPU_CA53_CFG_RST_ADDR_MSB_0, + upper_32_bits(SRAM_BASE_ADDR + UBOOT_FW_OFFSET)); + + /* Release ARM core 0 from reset */ + WREG32(mmCPU_CA53_CFG_ARM_RST_CONTROL, + CPU_RESET_CORE0_DEASSERT); + val = RREG32(mmCPU_CA53_CFG_ARM_RST_CONTROL); + + return 0; +} + +/* + * FW component passes an offset from SRAM_BASE_ADDR in SCRATCHPAD_xx. + * The version string should be located by that offset. + */ +static void goya_read_device_fw_version(struct hl_device *hdev, + enum goya_fw_component fwc) +{ + const char *name; + u32 ver_off; + char *dest; + + switch (fwc) { + case FW_COMP_UBOOT: + ver_off = RREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_29); + dest = hdev->asic_prop.uboot_ver; + name = "U-Boot"; + break; + case FW_COMP_PREBOOT: + ver_off = RREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_28); + dest = hdev->asic_prop.preboot_ver; + name = "Preboot"; + break; + default: + dev_warn(hdev->dev, "Undefined FW component: %d\n", fwc); + return; + } + + ver_off &= ~((u32)SRAM_BASE_ADDR); + + if (ver_off < SRAM_SIZE - VERSION_MAX_LEN) { + memcpy_fromio(dest, hdev->pcie_bar[SRAM_CFG_BAR_ID] + ver_off, + VERSION_MAX_LEN); + } else { + dev_err(hdev->dev, "%s version offset (0x%x) is above SRAM\n", + name, ver_off); + strcpy(dest, "unavailable"); + } +} + +static int goya_init_cpu(struct hl_device *hdev, u32 cpu_timeout) +{ + struct goya_device *goya = hdev->asic_specific; + char fw_name[200]; + void __iomem *dst; + u32 status; + int rc; + + if (!hdev->cpu_enable) + return 0; + + if (goya->hw_cap_initialized & HW_CAP_CPU) + return 0; + + /* + * Before pushing u-boot/linux to device, need to set the ddr bar to + * base address of dram + */ + rc = goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE); + if (rc) { + dev_err(hdev->dev, + "failed to map DDR bar to DRAM base address\n"); + return rc; + } + + if (hdev->pldm) { + rc = goya_pldm_init_cpu(hdev); + if (rc) + return rc; + + goto out; + } + + /* Make sure CPU boot-loader is running */ + rc = hl_poll_timeout( + hdev, + mmPSOC_GLOBAL_CONF_WARM_REBOOT, + status, + (status == CPU_BOOT_STATUS_DRAM_RDY) || + (status == CPU_BOOT_STATUS_SRAM_AVAIL), + 10000, + cpu_timeout); + + if (rc) { + dev_err(hdev->dev, "Error in ARM u-boot!"); + switch (status) { + case CPU_BOOT_STATUS_NA: + dev_err(hdev->dev, + "ARM status %d - BTL did NOT run\n", status); + break; + case CPU_BOOT_STATUS_IN_WFE: + dev_err(hdev->dev, + "ARM status %d - Inside WFE loop\n", status); + break; + case CPU_BOOT_STATUS_IN_BTL: + dev_err(hdev->dev, + "ARM status %d - Stuck in BTL\n", status); + break; + case CPU_BOOT_STATUS_IN_PREBOOT: + dev_err(hdev->dev, + "ARM status %d - Stuck in Preboot\n", status); + break; + case CPU_BOOT_STATUS_IN_SPL: + dev_err(hdev->dev, + "ARM status %d - Stuck in SPL\n", status); + break; + case CPU_BOOT_STATUS_IN_UBOOT: + dev_err(hdev->dev, + "ARM status %d - Stuck in u-boot\n", status); + break; + case CPU_BOOT_STATUS_DRAM_INIT_FAIL: + dev_err(hdev->dev, + "ARM status %d - DDR initialization failed\n", + status); + break; + default: + dev_err(hdev->dev, + "ARM status %d - Invalid status code\n", + status); + break; + } + return -EIO; + } + + /* Read U-Boot version now in case we will later fail */ + goya_read_device_fw_version(hdev, FW_COMP_UBOOT); + goya_read_device_fw_version(hdev, FW_COMP_PREBOOT); + + if (status == CPU_BOOT_STATUS_SRAM_AVAIL) + goto out; + + if (!hdev->fw_loading) { + dev_info(hdev->dev, "Skip loading FW\n"); + goto out; + } + + snprintf(fw_name, sizeof(fw_name), "habanalabs/goya/goya-fit.itb"); + dst = hdev->pcie_bar[DDR_BAR_ID] + LINUX_FW_OFFSET; + rc = goya_push_fw_to_device(hdev, fw_name, dst); + if (rc) + return rc; + + WREG32(mmPSOC_GLOBAL_CONF_UBOOT_MAGIC, KMD_MSG_FIT_RDY); + + rc = hl_poll_timeout( + hdev, + mmPSOC_GLOBAL_CONF_WARM_REBOOT, + status, + (status == CPU_BOOT_STATUS_SRAM_AVAIL), + 10000, + cpu_timeout); + + if (rc) { + if (status == CPU_BOOT_STATUS_FIT_CORRUPTED) + dev_err(hdev->dev, + "ARM u-boot reports FIT image is corrupted\n"); + else + dev_err(hdev->dev, + "ARM Linux failed to load, %d\n", status); + WREG32(mmPSOC_GLOBAL_CONF_UBOOT_MAGIC, KMD_MSG_NA); + return -EIO; + } + + dev_info(hdev->dev, "Successfully loaded firmware to device\n"); + +out: + goya->hw_cap_initialized |= HW_CAP_CPU; + + return 0; +} + +static int goya_mmu_init(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + struct goya_device *goya = hdev->asic_specific; + u64 hop0_addr; + int rc, i; + + if (!hdev->mmu_enable) + return 0; + + if (goya->hw_cap_initialized & HW_CAP_MMU) + return 0; + + hdev->dram_supports_virtual_memory = true; + hdev->dram_default_page_mapping = true; + + for (i = 0 ; i < prop->max_asid ; i++) { + hop0_addr = prop->mmu_pgt_addr + + (i * prop->mmu_hop_table_size); + + rc = goya_mmu_update_asid_hop0_addr(hdev, i, hop0_addr); + if (rc) { + dev_err(hdev->dev, + "failed to set hop0 addr for asid %d\n", i); + goto err; + } + } + + goya->hw_cap_initialized |= HW_CAP_MMU; + + /* init MMU cache manage page */ + WREG32(mmSTLB_CACHE_INV_BASE_39_8, + lower_32_bits(MMU_CACHE_MNG_ADDR >> 8)); + WREG32(mmSTLB_CACHE_INV_BASE_49_40, MMU_CACHE_MNG_ADDR >> 40); + + /* Remove follower feature due to performance bug */ + WREG32_AND(mmSTLB_STLB_FEATURE_EN, + (~STLB_STLB_FEATURE_EN_FOLLOWER_EN_MASK)); + + hdev->asic_funcs->mmu_invalidate_cache(hdev, true); + + WREG32(mmMMU_MMU_ENABLE, 1); + WREG32(mmMMU_SPI_MASK, 0xF); + + return 0; + +err: + return rc; +} + +/* + * goya_hw_init - Goya hardware initialization code + * + * @hdev: pointer to hl_device structure + * + * Returns 0 on success + * + */ +static int goya_hw_init(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + u32 val; + int rc; + + dev_info(hdev->dev, "Starting initialization of H/W\n"); + + /* Perform read from the device to make sure device is up */ + val = RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG); + + /* + * Let's mark in the H/W that we have reached this point. We check + * this value in the reset_before_init function to understand whether + * we need to reset the chip before doing H/W init. This register is + * cleared by the H/W upon H/W reset + */ + WREG32(mmPSOC_GLOBAL_CONF_APP_STATUS, HL_DEVICE_HW_STATE_DIRTY); + + rc = goya_init_cpu(hdev, GOYA_CPU_TIMEOUT_USEC); + if (rc) { + dev_err(hdev->dev, "failed to initialize CPU\n"); + return rc; + } + + goya_tpc_mbist_workaround(hdev); + + goya_init_golden_registers(hdev); + + /* + * After CPU initialization is finished, change DDR bar mapping inside + * iATU to point to the start address of the MMU page tables + */ + rc = goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE + + (MMU_PAGE_TABLES_ADDR & ~(prop->dram_pci_bar_size - 0x1ull))); + if (rc) { + dev_err(hdev->dev, + "failed to map DDR bar to MMU page tables\n"); + return rc; + } + + rc = goya_mmu_init(hdev); + if (rc) + return rc; + + goya_init_security(hdev); + + goya_init_dma_qmans(hdev); + + goya_init_mme_qmans(hdev); + + goya_init_tpc_qmans(hdev); + + /* MSI-X must be enabled before CPU queues are initialized */ + rc = goya_enable_msix(hdev); + if (rc) + goto disable_queues; + + rc = goya_init_cpu_queues(hdev); + if (rc) { + dev_err(hdev->dev, "failed to initialize CPU H/W queues %d\n", + rc); + goto disable_msix; + } + + /* CPU initialization is finished, we can now move to 48 bit DMA mask */ + rc = pci_set_dma_mask(hdev->pdev, DMA_BIT_MASK(48)); + if (rc) { + dev_warn(hdev->dev, "Unable to set pci dma mask to 48 bits\n"); + rc = pci_set_dma_mask(hdev->pdev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(hdev->dev, + "Unable to set pci dma mask to 32 bits\n"); + goto disable_pci_access; + } + } + + rc = pci_set_consistent_dma_mask(hdev->pdev, DMA_BIT_MASK(48)); + if (rc) { + dev_warn(hdev->dev, + "Unable to set pci consistent dma mask to 48 bits\n"); + rc = pci_set_consistent_dma_mask(hdev->pdev, DMA_BIT_MASK(32)); + if (rc) { + dev_err(hdev->dev, + "Unable to set pci consistent dma mask to 32 bits\n"); + goto disable_pci_access; + } + } + + /* Perform read from the device to flush all MSI-X configuration */ + val = RREG32(mmPCIE_DBI_DEVICE_ID_VENDOR_ID_REG); + + return 0; + +disable_pci_access: + goya_send_pci_access_msg(hdev, ARMCP_PACKET_DISABLE_PCI_ACCESS); +disable_msix: + goya_disable_msix(hdev); +disable_queues: + goya_disable_internal_queues(hdev); + goya_disable_external_queues(hdev); + + return rc; +} + +/* + * goya_hw_fini - Goya hardware tear-down code + * + * @hdev: pointer to hl_device structure + * @hard_reset: should we do hard reset to all engines or just reset the + * compute/dma engines + */ +static void goya_hw_fini(struct hl_device *hdev, bool hard_reset) +{ + struct goya_device *goya = hdev->asic_specific; + u32 reset_timeout_ms, status; + + if (hdev->pldm) + reset_timeout_ms = GOYA_PLDM_RESET_TIMEOUT_MSEC; + else + reset_timeout_ms = GOYA_RESET_TIMEOUT_MSEC; + + if (hard_reset) { + goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE); + goya_disable_clk_rlx(hdev); + goya_set_pll_refclk(hdev); + + WREG32(mmPSOC_GLOBAL_CONF_SW_ALL_RST_CFG, RESET_ALL); + dev_info(hdev->dev, + "Issued HARD reset command, going to wait %dms\n", + reset_timeout_ms); + } else { + WREG32(mmPSOC_GLOBAL_CONF_SW_ALL_RST_CFG, DMA_MME_TPC_RESET); + dev_info(hdev->dev, + "Issued SOFT reset command, going to wait %dms\n", + reset_timeout_ms); + } + + /* + * After hard reset, we can't poll the BTM_FSM register because the PSOC + * itself is in reset. In either reset we need to wait until the reset + * is deasserted + */ + msleep(reset_timeout_ms); + + status = RREG32(mmPSOC_GLOBAL_CONF_BTM_FSM); + if (status & PSOC_GLOBAL_CONF_BTM_FSM_STATE_MASK) + dev_err(hdev->dev, + "Timeout while waiting for device to reset 0x%x\n", + status); + + if (!hard_reset) { + goya->hw_cap_initialized &= ~(HW_CAP_DMA | HW_CAP_MME | + HW_CAP_GOLDEN | HW_CAP_TPC); + WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR, + GOYA_ASYNC_EVENT_ID_SOFT_RESET); + return; + } + + /* Chicken bit to re-initiate boot sequencer flow */ + WREG32(mmPSOC_GLOBAL_CONF_BOOT_SEQ_RE_START, + 1 << PSOC_GLOBAL_CONF_BOOT_SEQ_RE_START_IND_SHIFT); + /* Move boot manager FSM to pre boot sequencer init state */ + WREG32(mmPSOC_GLOBAL_CONF_SW_BTM_FSM, + 0xA << PSOC_GLOBAL_CONF_SW_BTM_FSM_CTRL_SHIFT); + + goya->hw_cap_initialized &= ~(HW_CAP_CPU | HW_CAP_CPU_Q | + HW_CAP_DDR_0 | HW_CAP_DDR_1 | + HW_CAP_DMA | HW_CAP_MME | + HW_CAP_MMU | HW_CAP_TPC_MBIST | + HW_CAP_GOLDEN | HW_CAP_TPC); + memset(goya->events_stat, 0, sizeof(goya->events_stat)); + + if (!hdev->pldm) { + int rc; + /* In case we are running inside VM and the VM is + * shutting down, we need to make sure CPU boot-loader + * is running before we can continue the VM shutdown. + * That is because the VM will send an FLR signal that + * we must answer + */ + dev_info(hdev->dev, + "Going to wait up to %ds for CPU boot loader\n", + GOYA_CPU_TIMEOUT_USEC / 1000 / 1000); + + rc = hl_poll_timeout( + hdev, + mmPSOC_GLOBAL_CONF_WARM_REBOOT, + status, + (status == CPU_BOOT_STATUS_DRAM_RDY), + 10000, + GOYA_CPU_TIMEOUT_USEC); + if (rc) + dev_err(hdev->dev, + "failed to wait for CPU boot loader\n"); + } +} + +int goya_suspend(struct hl_device *hdev) +{ + int rc; + + rc = goya_stop_internal_queues(hdev); + + if (rc) { + dev_err(hdev->dev, "failed to stop internal queues\n"); + return rc; + } + + rc = goya_stop_external_queues(hdev); + + if (rc) { + dev_err(hdev->dev, "failed to stop external queues\n"); + return rc; + } + + rc = goya_send_pci_access_msg(hdev, ARMCP_PACKET_DISABLE_PCI_ACCESS); + if (rc) + dev_err(hdev->dev, "Failed to disable PCI access from CPU\n"); + + return rc; +} + +int goya_resume(struct hl_device *hdev) +{ + int rc; + + goya_resume_external_queues(hdev); + goya_resume_internal_queues(hdev); + + rc = goya_send_pci_access_msg(hdev, ARMCP_PACKET_ENABLE_PCI_ACCESS); + if (rc) + dev_err(hdev->dev, "Failed to enable PCI access from CPU\n"); + return rc; +} + +static int goya_cb_mmap(struct hl_device *hdev, struct vm_area_struct *vma, + u64 kaddress, phys_addr_t paddress, u32 size) +{ + int rc; + + vma->vm_flags |= VM_IO | VM_PFNMAP | VM_DONTEXPAND | VM_DONTDUMP | + VM_DONTCOPY | VM_NORESERVE; + + rc = remap_pfn_range(vma, vma->vm_start, paddress >> PAGE_SHIFT, + size, vma->vm_page_prot); + if (rc) + dev_err(hdev->dev, "remap_pfn_range error %d", rc); + + return rc; +} + +static void goya_ring_doorbell(struct hl_device *hdev, u32 hw_queue_id, u32 pi) +{ + u32 db_reg_offset, db_value; + bool invalid_queue = false; + + switch (hw_queue_id) { + case GOYA_QUEUE_ID_DMA_0: + db_reg_offset = mmDMA_QM_0_PQ_PI; + break; + + case GOYA_QUEUE_ID_DMA_1: + db_reg_offset = mmDMA_QM_1_PQ_PI; + break; + + case GOYA_QUEUE_ID_DMA_2: + db_reg_offset = mmDMA_QM_2_PQ_PI; + break; + + case GOYA_QUEUE_ID_DMA_3: + db_reg_offset = mmDMA_QM_3_PQ_PI; + break; + + case GOYA_QUEUE_ID_DMA_4: + db_reg_offset = mmDMA_QM_4_PQ_PI; + break; + + case GOYA_QUEUE_ID_CPU_PQ: + if (hdev->cpu_queues_enable) + db_reg_offset = mmCPU_IF_PF_PQ_PI; + else + invalid_queue = true; + break; + + case GOYA_QUEUE_ID_MME: + db_reg_offset = mmMME_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC0: + db_reg_offset = mmTPC0_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC1: + db_reg_offset = mmTPC1_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC2: + db_reg_offset = mmTPC2_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC3: + db_reg_offset = mmTPC3_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC4: + db_reg_offset = mmTPC4_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC5: + db_reg_offset = mmTPC5_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC6: + db_reg_offset = mmTPC6_QM_PQ_PI; + break; + + case GOYA_QUEUE_ID_TPC7: + db_reg_offset = mmTPC7_QM_PQ_PI; + break; + + default: + invalid_queue = true; + } + + if (invalid_queue) { + /* Should never get here */ + dev_err(hdev->dev, "h/w queue %d is invalid. Can't set pi\n", + hw_queue_id); + return; + } + + db_value = pi; + + /* ring the doorbell */ + WREG32(db_reg_offset, db_value); + + if (hw_queue_id == GOYA_QUEUE_ID_CPU_PQ) + WREG32(mmGIC_DISTRIBUTOR__5_GICD_SETSPI_NSR, + GOYA_ASYNC_EVENT_ID_PI_UPDATE); +} + +void goya_flush_pq_write(struct hl_device *hdev, u64 *pq, u64 exp_val) +{ + /* Not needed in Goya */ +} + +static void *goya_dma_alloc_coherent(struct hl_device *hdev, size_t size, + dma_addr_t *dma_handle, gfp_t flags) +{ + return dma_alloc_coherent(&hdev->pdev->dev, size, dma_handle, flags); +} + +static void goya_dma_free_coherent(struct hl_device *hdev, size_t size, + void *cpu_addr, dma_addr_t dma_handle) +{ + dma_free_coherent(&hdev->pdev->dev, size, cpu_addr, dma_handle); +} + +void *goya_get_int_queue_base(struct hl_device *hdev, u32 queue_id, + dma_addr_t *dma_handle, u16 *queue_len) +{ + void *base; + u32 offset; + + *dma_handle = hdev->asic_prop.sram_base_address; + + base = hdev->pcie_bar[SRAM_CFG_BAR_ID]; + + switch (queue_id) { + case GOYA_QUEUE_ID_MME: + offset = MME_QMAN_BASE_OFFSET; + *queue_len = MME_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC0: + offset = TPC0_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC1: + offset = TPC1_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC2: + offset = TPC2_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC3: + offset = TPC3_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC4: + offset = TPC4_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC5: + offset = TPC5_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC6: + offset = TPC6_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + case GOYA_QUEUE_ID_TPC7: + offset = TPC7_QMAN_BASE_OFFSET; + *queue_len = TPC_QMAN_LENGTH; + break; + default: + dev_err(hdev->dev, "Got invalid queue id %d\n", queue_id); + return NULL; + } + + base += offset; + *dma_handle += offset; + + return base; +} + +static int goya_send_job_on_qman0(struct hl_device *hdev, struct hl_cs_job *job) +{ + struct goya_device *goya = hdev->asic_specific; + struct packet_msg_prot *fence_pkt; + u32 *fence_ptr; + dma_addr_t fence_dma_addr; + struct hl_cb *cb; + u32 tmp, timeout; + int rc; + + if (hdev->pldm) + timeout = GOYA_PLDM_QMAN0_TIMEOUT_USEC; + else + timeout = HL_DEVICE_TIMEOUT_USEC; + + if (!hdev->asic_funcs->is_device_idle(hdev)) { + dev_err_ratelimited(hdev->dev, + "Can't send KMD job on QMAN0 if device is not idle\n"); + return -EBUSY; + } + + fence_ptr = hdev->asic_funcs->dma_pool_zalloc(hdev, 4, GFP_KERNEL, + &fence_dma_addr); + if (!fence_ptr) { + dev_err(hdev->dev, + "Failed to allocate fence memory for QMAN0\n"); + return -ENOMEM; + } + + *fence_ptr = 0; + + if (goya->hw_cap_initialized & HW_CAP_MMU) { + WREG32(mmDMA_QM_0_GLBL_PROT, QMAN_DMA_FULLY_TRUSTED); + RREG32(mmDMA_QM_0_GLBL_PROT); + } + + /* + * goya cs parser saves space for 2xpacket_msg_prot at end of CB. For + * synchronized kernel jobs we only need space for 1 packet_msg_prot + */ + job->job_cb_size -= sizeof(struct packet_msg_prot); + + cb = job->patched_cb; + + fence_pkt = (struct packet_msg_prot *) (uintptr_t) (cb->kernel_address + + job->job_cb_size - sizeof(struct packet_msg_prot)); + + tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) | + (1 << GOYA_PKT_CTL_EB_SHIFT) | + (1 << GOYA_PKT_CTL_MB_SHIFT); + fence_pkt->ctl = cpu_to_le32(tmp); + fence_pkt->value = cpu_to_le32(GOYA_QMAN0_FENCE_VAL); + fence_pkt->addr = cpu_to_le64(fence_dma_addr + + hdev->asic_prop.host_phys_base_address); + + rc = hl_hw_queue_send_cb_no_cmpl(hdev, GOYA_QUEUE_ID_DMA_0, + job->job_cb_size, cb->bus_address); + if (rc) { + dev_err(hdev->dev, "Failed to send CB on QMAN0, %d\n", rc); + goto free_fence_ptr; + } + + rc = hl_poll_timeout_memory(hdev, (u64) (uintptr_t) fence_ptr, timeout, + &tmp); + + hl_hw_queue_inc_ci_kernel(hdev, GOYA_QUEUE_ID_DMA_0); + + if ((rc) || (tmp != GOYA_QMAN0_FENCE_VAL)) { + dev_err(hdev->dev, "QMAN0 Job hasn't finished in time\n"); + rc = -ETIMEDOUT; + } + +free_fence_ptr: + hdev->asic_funcs->dma_pool_free(hdev, (void *) fence_ptr, + fence_dma_addr); + + if (goya->hw_cap_initialized & HW_CAP_MMU) { + WREG32(mmDMA_QM_0_GLBL_PROT, QMAN_DMA_PARTLY_TRUSTED); + RREG32(mmDMA_QM_0_GLBL_PROT); + } + + return rc; +} + +int goya_send_cpu_message(struct hl_device *hdev, u32 *msg, u16 len, + u32 timeout, long *result) +{ + struct goya_device *goya = hdev->asic_specific; + struct armcp_packet *pkt; + dma_addr_t pkt_dma_addr; + u32 tmp; + int rc = 0; + + if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q)) { + if (result) + *result = 0; + return 0; + } + + if (len > CPU_CB_SIZE) { + dev_err(hdev->dev, "Invalid CPU message size of %d bytes\n", + len); + return -ENOMEM; + } + + pkt = hdev->asic_funcs->cpu_accessible_dma_pool_alloc(hdev, len, + &pkt_dma_addr); + if (!pkt) { + dev_err(hdev->dev, + "Failed to allocate DMA memory for packet to CPU\n"); + return -ENOMEM; + } + + memcpy(pkt, msg, len); + + mutex_lock(&hdev->send_cpu_message_lock); + + if (hdev->disabled) + goto out; + + if (hdev->device_cpu_disabled) { + rc = -EIO; + goto out; + } + + rc = hl_hw_queue_send_cb_no_cmpl(hdev, GOYA_QUEUE_ID_CPU_PQ, len, + pkt_dma_addr); + if (rc) { + dev_err(hdev->dev, "Failed to send CB on CPU PQ (%d)\n", rc); + goto out; + } + + rc = hl_poll_timeout_memory(hdev, (u64) (uintptr_t) &pkt->fence, + timeout, &tmp); + + hl_hw_queue_inc_ci_kernel(hdev, GOYA_QUEUE_ID_CPU_PQ); + + if (rc == -ETIMEDOUT) { + dev_err(hdev->dev, "Timeout while waiting for device CPU\n"); + hdev->device_cpu_disabled = true; + goto out; + } + + if (tmp == ARMCP_PACKET_FENCE_VAL) { + u32 ctl = le32_to_cpu(pkt->ctl); + + rc = (ctl & ARMCP_PKT_CTL_RC_MASK) >> ARMCP_PKT_CTL_RC_SHIFT; + if (rc) { + dev_err(hdev->dev, + "F/W ERROR %d for CPU packet %d\n", + rc, (ctl & ARMCP_PKT_CTL_OPCODE_MASK) + >> ARMCP_PKT_CTL_OPCODE_SHIFT); + rc = -EINVAL; + } else if (result) { + *result = (long) le64_to_cpu(pkt->result); + } + } else { + dev_err(hdev->dev, "CPU packet wrong fence value\n"); + rc = -EINVAL; + } + +out: + mutex_unlock(&hdev->send_cpu_message_lock); + + hdev->asic_funcs->cpu_accessible_dma_pool_free(hdev, len, pkt); + + return rc; +} + +int goya_test_queue(struct hl_device *hdev, u32 hw_queue_id) +{ + struct packet_msg_prot *fence_pkt; + dma_addr_t pkt_dma_addr; + u32 fence_val, tmp; + dma_addr_t fence_dma_addr; + u32 *fence_ptr; + int rc; + + fence_val = GOYA_QMAN0_FENCE_VAL; + + fence_ptr = hdev->asic_funcs->dma_pool_zalloc(hdev, 4, GFP_KERNEL, + &fence_dma_addr); + if (!fence_ptr) { + dev_err(hdev->dev, + "Failed to allocate memory for queue testing\n"); + return -ENOMEM; + } + + *fence_ptr = 0; + + fence_pkt = hdev->asic_funcs->dma_pool_zalloc(hdev, + sizeof(struct packet_msg_prot), + GFP_KERNEL, &pkt_dma_addr); + if (!fence_pkt) { + dev_err(hdev->dev, + "Failed to allocate packet for queue testing\n"); + rc = -ENOMEM; + goto free_fence_ptr; + } + + tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) | + (1 << GOYA_PKT_CTL_EB_SHIFT) | + (1 << GOYA_PKT_CTL_MB_SHIFT); + fence_pkt->ctl = cpu_to_le32(tmp); + fence_pkt->value = cpu_to_le32(fence_val); + fence_pkt->addr = cpu_to_le64(fence_dma_addr + + hdev->asic_prop.host_phys_base_address); + + rc = hl_hw_queue_send_cb_no_cmpl(hdev, hw_queue_id, + sizeof(struct packet_msg_prot), + pkt_dma_addr); + if (rc) { + dev_err(hdev->dev, + "Failed to send fence packet\n"); + goto free_pkt; + } + + rc = hl_poll_timeout_memory(hdev, (u64) (uintptr_t) fence_ptr, + GOYA_TEST_QUEUE_WAIT_USEC, &tmp); + + hl_hw_queue_inc_ci_kernel(hdev, hw_queue_id); + + if ((!rc) && (tmp == fence_val)) { + dev_info(hdev->dev, + "queue test on H/W queue %d succeeded\n", + hw_queue_id); + } else { + dev_err(hdev->dev, + "H/W queue %d test failed (scratch(0x%08llX) == 0x%08X)\n", + hw_queue_id, (unsigned long long) fence_dma_addr, tmp); + rc = -EINVAL; + } + +free_pkt: + hdev->asic_funcs->dma_pool_free(hdev, (void *) fence_pkt, + pkt_dma_addr); +free_fence_ptr: + hdev->asic_funcs->dma_pool_free(hdev, (void *) fence_ptr, + fence_dma_addr); + return rc; +} + +int goya_test_cpu_queue(struct hl_device *hdev) +{ + struct armcp_packet test_pkt; + long result; + int rc; + + /* cpu_queues_enable flag is always checked in send cpu message */ + + memset(&test_pkt, 0, sizeof(test_pkt)); + + test_pkt.ctl = cpu_to_le32(ARMCP_PACKET_TEST << + ARMCP_PKT_CTL_OPCODE_SHIFT); + test_pkt.value = cpu_to_le64(ARMCP_PACKET_FENCE_VAL); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &test_pkt, + sizeof(test_pkt), HL_DEVICE_TIMEOUT_USEC, &result); + + if (!rc) { + if (result == ARMCP_PACKET_FENCE_VAL) + dev_info(hdev->dev, + "queue test on CPU queue succeeded\n"); + else + dev_err(hdev->dev, + "CPU queue test failed (0x%08lX)\n", result); + } else { + dev_err(hdev->dev, "CPU queue test failed, error %d\n", rc); + } + + return rc; +} + +static int goya_test_queues(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + int i, rc, ret_val = 0; + + for (i = 0 ; i < NUMBER_OF_EXT_HW_QUEUES ; i++) { + rc = goya_test_queue(hdev, i); + if (rc) + ret_val = -EINVAL; + } + + if (hdev->cpu_queues_enable) { + rc = goya->test_cpu_queue(hdev); + if (rc) + ret_val = -EINVAL; + } + + return ret_val; +} + +static void *goya_dma_pool_zalloc(struct hl_device *hdev, size_t size, + gfp_t mem_flags, dma_addr_t *dma_handle) +{ + if (size > GOYA_DMA_POOL_BLK_SIZE) + return NULL; + + return dma_pool_zalloc(hdev->dma_pool, mem_flags, dma_handle); +} + +static void goya_dma_pool_free(struct hl_device *hdev, void *vaddr, + dma_addr_t dma_addr) +{ + dma_pool_free(hdev->dma_pool, vaddr, dma_addr); +} + +static void *goya_cpu_accessible_dma_pool_alloc(struct hl_device *hdev, + size_t size, dma_addr_t *dma_handle) +{ + u64 kernel_addr; + + /* roundup to CPU_PKT_SIZE */ + size = (size + (CPU_PKT_SIZE - 1)) & CPU_PKT_MASK; + + kernel_addr = gen_pool_alloc(hdev->cpu_accessible_dma_pool, size); + + *dma_handle = hdev->cpu_accessible_dma_address + + (kernel_addr - (u64) (uintptr_t) hdev->cpu_accessible_dma_mem); + + return (void *) (uintptr_t) kernel_addr; +} + +static void goya_cpu_accessible_dma_pool_free(struct hl_device *hdev, + size_t size, void *vaddr) +{ + /* roundup to CPU_PKT_SIZE */ + size = (size + (CPU_PKT_SIZE - 1)) & CPU_PKT_MASK; + + gen_pool_free(hdev->cpu_accessible_dma_pool, (u64) (uintptr_t) vaddr, + size); +} + +static int goya_dma_map_sg(struct hl_device *hdev, struct scatterlist *sg, + int nents, enum dma_data_direction dir) +{ + if (!dma_map_sg(&hdev->pdev->dev, sg, nents, dir)) + return -ENOMEM; + + return 0; +} + +static void goya_dma_unmap_sg(struct hl_device *hdev, struct scatterlist *sg, + int nents, enum dma_data_direction dir) +{ + dma_unmap_sg(&hdev->pdev->dev, sg, nents, dir); +} + +u32 goya_get_dma_desc_list_size(struct hl_device *hdev, struct sg_table *sgt) +{ + struct scatterlist *sg, *sg_next_iter; + u32 count, dma_desc_cnt; + u64 len, len_next; + dma_addr_t addr, addr_next; + + dma_desc_cnt = 0; + + for_each_sg(sgt->sgl, sg, sgt->nents, count) { + + len = sg_dma_len(sg); + addr = sg_dma_address(sg); + + if (len == 0) + break; + + while ((count + 1) < sgt->nents) { + sg_next_iter = sg_next(sg); + len_next = sg_dma_len(sg_next_iter); + addr_next = sg_dma_address(sg_next_iter); + + if (len_next == 0) + break; + + if ((addr + len == addr_next) && + (len + len_next <= DMA_MAX_TRANSFER_SIZE)) { + len += len_next; + count++; + sg = sg_next_iter; + } else { + break; + } + } + + dma_desc_cnt++; + } + + return dma_desc_cnt * sizeof(struct packet_lin_dma); +} + +static int goya_pin_memory_before_cs(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_lin_dma *user_dma_pkt, + u64 addr, enum dma_data_direction dir) +{ + struct hl_userptr *userptr; + int rc; + + if (hl_userptr_is_pinned(hdev, addr, le32_to_cpu(user_dma_pkt->tsize), + parser->job_userptr_list, &userptr)) + goto already_pinned; + + userptr = kzalloc(sizeof(*userptr), GFP_ATOMIC); + if (!userptr) + return -ENOMEM; + + rc = hl_pin_host_memory(hdev, addr, le32_to_cpu(user_dma_pkt->tsize), + userptr); + if (rc) + goto free_userptr; + + list_add_tail(&userptr->job_node, parser->job_userptr_list); + + rc = hdev->asic_funcs->asic_dma_map_sg(hdev, userptr->sgt->sgl, + userptr->sgt->nents, dir); + if (rc) { + dev_err(hdev->dev, "failed to map sgt with DMA region\n"); + goto unpin_memory; + } + + userptr->dma_mapped = true; + userptr->dir = dir; + +already_pinned: + parser->patched_cb_size += + goya_get_dma_desc_list_size(hdev, userptr->sgt); + + return 0; + +unpin_memory: + hl_unpin_host_memory(hdev, userptr); +free_userptr: + kfree(userptr); + return rc; +} + +static int goya_validate_dma_pkt_host(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_lin_dma *user_dma_pkt) +{ + u64 device_memory_addr, addr; + enum dma_data_direction dir; + enum goya_dma_direction user_dir; + bool sram_addr = true; + bool skip_host_mem_pin = false; + bool user_memset; + u32 ctl; + int rc = 0; + + ctl = le32_to_cpu(user_dma_pkt->ctl); + + user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >> + GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT; + + user_memset = (ctl & GOYA_PKT_LIN_DMA_CTL_MEMSET_MASK) >> + GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT; + + switch (user_dir) { + case DMA_HOST_TO_DRAM: + dev_dbg(hdev->dev, "DMA direction is HOST --> DRAM\n"); + dir = DMA_TO_DEVICE; + sram_addr = false; + addr = le64_to_cpu(user_dma_pkt->src_addr); + device_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr); + if (user_memset) + skip_host_mem_pin = true; + break; + + case DMA_DRAM_TO_HOST: + dev_dbg(hdev->dev, "DMA direction is DRAM --> HOST\n"); + dir = DMA_FROM_DEVICE; + sram_addr = false; + addr = le64_to_cpu(user_dma_pkt->dst_addr); + device_memory_addr = le64_to_cpu(user_dma_pkt->src_addr); + break; + + case DMA_HOST_TO_SRAM: + dev_dbg(hdev->dev, "DMA direction is HOST --> SRAM\n"); + dir = DMA_TO_DEVICE; + addr = le64_to_cpu(user_dma_pkt->src_addr); + device_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr); + if (user_memset) + skip_host_mem_pin = true; + break; + + case DMA_SRAM_TO_HOST: + dev_dbg(hdev->dev, "DMA direction is SRAM --> HOST\n"); + dir = DMA_FROM_DEVICE; + addr = le64_to_cpu(user_dma_pkt->dst_addr); + device_memory_addr = le64_to_cpu(user_dma_pkt->src_addr); + break; + default: + dev_err(hdev->dev, "DMA direction is undefined\n"); + return -EFAULT; + } + + if (parser->ctx_id != HL_KERNEL_ASID_ID) { + if (sram_addr) { + if (!hl_mem_area_inside_range(device_memory_addr, + le32_to_cpu(user_dma_pkt->tsize), + hdev->asic_prop.sram_user_base_address, + hdev->asic_prop.sram_end_address)) { + + dev_err(hdev->dev, + "SRAM address 0x%llx + 0x%x is invalid\n", + device_memory_addr, + user_dma_pkt->tsize); + return -EFAULT; + } + } else { + if (!hl_mem_area_inside_range(device_memory_addr, + le32_to_cpu(user_dma_pkt->tsize), + hdev->asic_prop.dram_user_base_address, + hdev->asic_prop.dram_end_address)) { + + dev_err(hdev->dev, + "DRAM address 0x%llx + 0x%x is invalid\n", + device_memory_addr, + user_dma_pkt->tsize); + return -EFAULT; + } + } + } + + if (skip_host_mem_pin) + parser->patched_cb_size += sizeof(*user_dma_pkt); + else { + if ((dir == DMA_TO_DEVICE) && + (parser->hw_queue_id > GOYA_QUEUE_ID_DMA_1)) { + dev_err(hdev->dev, + "Can't DMA from host on queue other then 1\n"); + return -EFAULT; + } + + rc = goya_pin_memory_before_cs(hdev, parser, user_dma_pkt, + addr, dir); + } + + return rc; +} + +static int goya_validate_dma_pkt_no_host(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_lin_dma *user_dma_pkt) +{ + u64 sram_memory_addr, dram_memory_addr; + enum goya_dma_direction user_dir; + u32 ctl; + + ctl = le32_to_cpu(user_dma_pkt->ctl); + user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >> + GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT; + + if (user_dir == DMA_DRAM_TO_SRAM) { + dev_dbg(hdev->dev, "DMA direction is DRAM --> SRAM\n"); + dram_memory_addr = le64_to_cpu(user_dma_pkt->src_addr); + sram_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr); + } else { + dev_dbg(hdev->dev, "DMA direction is SRAM --> DRAM\n"); + sram_memory_addr = le64_to_cpu(user_dma_pkt->src_addr); + dram_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr); + } + + if (!hl_mem_area_inside_range(sram_memory_addr, + le32_to_cpu(user_dma_pkt->tsize), + hdev->asic_prop.sram_user_base_address, + hdev->asic_prop.sram_end_address)) { + dev_err(hdev->dev, "SRAM address 0x%llx + 0x%x is invalid\n", + sram_memory_addr, user_dma_pkt->tsize); + return -EFAULT; + } + + if (!hl_mem_area_inside_range(dram_memory_addr, + le32_to_cpu(user_dma_pkt->tsize), + hdev->asic_prop.dram_user_base_address, + hdev->asic_prop.dram_end_address)) { + dev_err(hdev->dev, "DRAM address 0x%llx + 0x%x is invalid\n", + dram_memory_addr, user_dma_pkt->tsize); + return -EFAULT; + } + + parser->patched_cb_size += sizeof(*user_dma_pkt); + + return 0; +} + +static int goya_validate_dma_pkt_no_mmu(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_lin_dma *user_dma_pkt) +{ + enum goya_dma_direction user_dir; + u32 ctl; + int rc; + + dev_dbg(hdev->dev, "DMA packet details:\n"); + dev_dbg(hdev->dev, "source == 0x%llx\n", user_dma_pkt->src_addr); + dev_dbg(hdev->dev, "destination == 0x%llx\n", user_dma_pkt->dst_addr); + dev_dbg(hdev->dev, "size == %u\n", user_dma_pkt->tsize); + + ctl = le32_to_cpu(user_dma_pkt->ctl); + user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >> + GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT; + + /* + * Special handling for DMA with size 0. The H/W has a bug where + * this can cause the QMAN DMA to get stuck, so block it here. + */ + if (user_dma_pkt->tsize == 0) { + dev_err(hdev->dev, + "Got DMA with size 0, might reset the device\n"); + return -EINVAL; + } + + if ((user_dir == DMA_DRAM_TO_SRAM) || (user_dir == DMA_SRAM_TO_DRAM)) + rc = goya_validate_dma_pkt_no_host(hdev, parser, user_dma_pkt); + else + rc = goya_validate_dma_pkt_host(hdev, parser, user_dma_pkt); + + return rc; +} + +static int goya_validate_dma_pkt_mmu(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_lin_dma *user_dma_pkt) +{ + dev_dbg(hdev->dev, "DMA packet details:\n"); + dev_dbg(hdev->dev, "source == 0x%llx\n", user_dma_pkt->src_addr); + dev_dbg(hdev->dev, "destination == 0x%llx\n", user_dma_pkt->dst_addr); + dev_dbg(hdev->dev, "size == %u\n", user_dma_pkt->tsize); + + /* + * WA for HW-23. + * We can't allow user to read from Host using QMANs other than 1. + */ + if (parser->hw_queue_id > GOYA_QUEUE_ID_DMA_1 && + hl_mem_area_inside_range(le64_to_cpu(user_dma_pkt->src_addr), + le32_to_cpu(user_dma_pkt->tsize), + hdev->asic_prop.va_space_host_start_address, + hdev->asic_prop.va_space_host_end_address)) { + dev_err(hdev->dev, + "Can't DMA from host on queue other then 1\n"); + return -EFAULT; + } + + if (user_dma_pkt->tsize == 0) { + dev_err(hdev->dev, + "Got DMA with size 0, might reset the device\n"); + return -EINVAL; + } + + parser->patched_cb_size += sizeof(*user_dma_pkt); + + return 0; +} + +static int goya_validate_wreg32(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_wreg32 *wreg_pkt) +{ + struct goya_device *goya = hdev->asic_specific; + u32 sob_start_addr, sob_end_addr; + u16 reg_offset; + + reg_offset = le32_to_cpu(wreg_pkt->ctl) & + GOYA_PKT_WREG32_CTL_REG_OFFSET_MASK; + + dev_dbg(hdev->dev, "WREG32 packet details:\n"); + dev_dbg(hdev->dev, "reg_offset == 0x%x\n", reg_offset); + dev_dbg(hdev->dev, "value == 0x%x\n", wreg_pkt->value); + + if (reg_offset != (mmDMA_CH_0_WR_COMP_ADDR_LO & 0x1FFF)) { + dev_err(hdev->dev, "WREG32 packet with illegal address 0x%x\n", + reg_offset); + return -EPERM; + } + + /* + * With MMU, DMA channels are not secured, so it doesn't matter where + * the WR COMP will be written to because it will go out with + * non-secured property + */ + if (goya->hw_cap_initialized & HW_CAP_MMU) + return 0; + + sob_start_addr = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_0); + sob_end_addr = lower_32_bits(CFG_BASE + mmSYNC_MNGR_SOB_OBJ_1023); + + if ((le32_to_cpu(wreg_pkt->value) < sob_start_addr) || + (le32_to_cpu(wreg_pkt->value) > sob_end_addr)) { + + dev_err(hdev->dev, "WREG32 packet with illegal value 0x%x\n", + wreg_pkt->value); + return -EPERM; + } + + return 0; +} + +static int goya_validate_cb(struct hl_device *hdev, + struct hl_cs_parser *parser, bool is_mmu) +{ + u32 cb_parsed_length = 0; + int rc = 0; + + parser->patched_cb_size = 0; + + /* cb_user_size is more than 0 so loop will always be executed */ + while (cb_parsed_length < parser->user_cb_size) { + enum packet_id pkt_id; + u16 pkt_size; + void *user_pkt; + + user_pkt = (void *) (uintptr_t) + (parser->user_cb->kernel_address + cb_parsed_length); + + pkt_id = (enum packet_id) (((*(u64 *) user_pkt) & + PACKET_HEADER_PACKET_ID_MASK) >> + PACKET_HEADER_PACKET_ID_SHIFT); + + pkt_size = goya_packet_sizes[pkt_id]; + cb_parsed_length += pkt_size; + if (cb_parsed_length > parser->user_cb_size) { + dev_err(hdev->dev, + "packet 0x%x is out of CB boundary\n", pkt_id); + rc = -EINVAL; + break; + } + + switch (pkt_id) { + case PACKET_WREG_32: + /* + * Although it is validated after copy in patch_cb(), + * need to validate here as well because patch_cb() is + * not called in MMU path while this function is called + */ + rc = goya_validate_wreg32(hdev, parser, user_pkt); + break; + + case PACKET_WREG_BULK: + dev_err(hdev->dev, + "User not allowed to use WREG_BULK\n"); + rc = -EPERM; + break; + + case PACKET_MSG_PROT: + dev_err(hdev->dev, + "User not allowed to use MSG_PROT\n"); + rc = -EPERM; + break; + + case PACKET_CP_DMA: + dev_err(hdev->dev, "User not allowed to use CP_DMA\n"); + rc = -EPERM; + break; + + case PACKET_STOP: + dev_err(hdev->dev, "User not allowed to use STOP\n"); + rc = -EPERM; + break; + + case PACKET_LIN_DMA: + if (is_mmu) + rc = goya_validate_dma_pkt_mmu(hdev, parser, + user_pkt); + else + rc = goya_validate_dma_pkt_no_mmu(hdev, parser, + user_pkt); + break; + + case PACKET_MSG_LONG: + case PACKET_MSG_SHORT: + case PACKET_FENCE: + case PACKET_NOP: + parser->patched_cb_size += pkt_size; + break; + + default: + dev_err(hdev->dev, "Invalid packet header 0x%x\n", + pkt_id); + rc = -EINVAL; + break; + } + + if (rc) + break; + } + + /* + * The new CB should have space at the end for two MSG_PROT packets: + * 1. A packet that will act as a completion packet + * 2. A packet that will generate MSI-X interrupt + */ + parser->patched_cb_size += sizeof(struct packet_msg_prot) * 2; + + return rc; +} + +static int goya_patch_dma_packet(struct hl_device *hdev, + struct hl_cs_parser *parser, + struct packet_lin_dma *user_dma_pkt, + struct packet_lin_dma *new_dma_pkt, + u32 *new_dma_pkt_size) +{ + struct hl_userptr *userptr; + struct scatterlist *sg, *sg_next_iter; + u32 count, dma_desc_cnt; + u64 len, len_next; + dma_addr_t dma_addr, dma_addr_next; + enum goya_dma_direction user_dir; + u64 device_memory_addr, addr; + enum dma_data_direction dir; + struct sg_table *sgt; + bool skip_host_mem_pin = false; + bool user_memset; + u32 user_rdcomp_mask, user_wrcomp_mask, ctl; + + ctl = le32_to_cpu(user_dma_pkt->ctl); + + user_dir = (ctl & GOYA_PKT_LIN_DMA_CTL_DMA_DIR_MASK) >> + GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT; + + user_memset = (ctl & GOYA_PKT_LIN_DMA_CTL_MEMSET_MASK) >> + GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT; + + if ((user_dir == DMA_DRAM_TO_SRAM) || (user_dir == DMA_SRAM_TO_DRAM) || + (user_dma_pkt->tsize == 0)) { + memcpy(new_dma_pkt, user_dma_pkt, sizeof(*new_dma_pkt)); + *new_dma_pkt_size = sizeof(*new_dma_pkt); + return 0; + } + + if ((user_dir == DMA_HOST_TO_DRAM) || (user_dir == DMA_HOST_TO_SRAM)) { + addr = le64_to_cpu(user_dma_pkt->src_addr); + device_memory_addr = le64_to_cpu(user_dma_pkt->dst_addr); + dir = DMA_TO_DEVICE; + if (user_memset) + skip_host_mem_pin = true; + } else { + addr = le64_to_cpu(user_dma_pkt->dst_addr); + device_memory_addr = le64_to_cpu(user_dma_pkt->src_addr); + dir = DMA_FROM_DEVICE; + } + + if ((!skip_host_mem_pin) && + (hl_userptr_is_pinned(hdev, addr, + le32_to_cpu(user_dma_pkt->tsize), + parser->job_userptr_list, &userptr) == false)) { + dev_err(hdev->dev, "Userptr 0x%llx + 0x%x NOT mapped\n", + addr, user_dma_pkt->tsize); + return -EFAULT; + } + + if ((user_memset) && (dir == DMA_TO_DEVICE)) { + memcpy(new_dma_pkt, user_dma_pkt, sizeof(*user_dma_pkt)); + *new_dma_pkt_size = sizeof(*user_dma_pkt); + return 0; + } + + user_rdcomp_mask = ctl & GOYA_PKT_LIN_DMA_CTL_RDCOMP_MASK; + + user_wrcomp_mask = ctl & GOYA_PKT_LIN_DMA_CTL_WRCOMP_MASK; + + sgt = userptr->sgt; + dma_desc_cnt = 0; + + for_each_sg(sgt->sgl, sg, sgt->nents, count) { + len = sg_dma_len(sg); + dma_addr = sg_dma_address(sg); + + if (len == 0) + break; + + while ((count + 1) < sgt->nents) { + sg_next_iter = sg_next(sg); + len_next = sg_dma_len(sg_next_iter); + dma_addr_next = sg_dma_address(sg_next_iter); + + if (len_next == 0) + break; + + if ((dma_addr + len == dma_addr_next) && + (len + len_next <= DMA_MAX_TRANSFER_SIZE)) { + len += len_next; + count++; + sg = sg_next_iter; + } else { + break; + } + } + + ctl = le32_to_cpu(user_dma_pkt->ctl); + if (likely(dma_desc_cnt)) + ctl &= ~GOYA_PKT_CTL_EB_MASK; + ctl &= ~(GOYA_PKT_LIN_DMA_CTL_RDCOMP_MASK | + GOYA_PKT_LIN_DMA_CTL_WRCOMP_MASK); + new_dma_pkt->ctl = cpu_to_le32(ctl); + new_dma_pkt->tsize = cpu_to_le32((u32) len); + + dma_addr += hdev->asic_prop.host_phys_base_address; + + if (dir == DMA_TO_DEVICE) { + new_dma_pkt->src_addr = cpu_to_le64(dma_addr); + new_dma_pkt->dst_addr = cpu_to_le64(device_memory_addr); + } else { + new_dma_pkt->src_addr = cpu_to_le64(device_memory_addr); + new_dma_pkt->dst_addr = cpu_to_le64(dma_addr); + } + + if (!user_memset) + device_memory_addr += len; + dma_desc_cnt++; + new_dma_pkt++; + } + + if (!dma_desc_cnt) { + dev_err(hdev->dev, + "Error of 0 SG entries when patching DMA packet\n"); + return -EFAULT; + } + + /* Fix the last dma packet - rdcomp/wrcomp must be as user set them */ + new_dma_pkt--; + new_dma_pkt->ctl |= cpu_to_le32(user_rdcomp_mask | user_wrcomp_mask); + + *new_dma_pkt_size = dma_desc_cnt * sizeof(struct packet_lin_dma); + + return 0; +} + +static int goya_patch_cb(struct hl_device *hdev, + struct hl_cs_parser *parser) +{ + u32 cb_parsed_length = 0; + u32 cb_patched_cur_length = 0; + int rc = 0; + + /* cb_user_size is more than 0 so loop will always be executed */ + while (cb_parsed_length < parser->user_cb_size) { + enum packet_id pkt_id; + u16 pkt_size; + u32 new_pkt_size = 0; + void *user_pkt, *kernel_pkt; + + user_pkt = (void *) (uintptr_t) + (parser->user_cb->kernel_address + cb_parsed_length); + kernel_pkt = (void *) (uintptr_t) + (parser->patched_cb->kernel_address + + cb_patched_cur_length); + + pkt_id = (enum packet_id) (((*(u64 *) user_pkt) & + PACKET_HEADER_PACKET_ID_MASK) >> + PACKET_HEADER_PACKET_ID_SHIFT); + + pkt_size = goya_packet_sizes[pkt_id]; + cb_parsed_length += pkt_size; + if (cb_parsed_length > parser->user_cb_size) { + dev_err(hdev->dev, + "packet 0x%x is out of CB boundary\n", pkt_id); + rc = -EINVAL; + break; + } + + switch (pkt_id) { + case PACKET_LIN_DMA: + rc = goya_patch_dma_packet(hdev, parser, user_pkt, + kernel_pkt, &new_pkt_size); + cb_patched_cur_length += new_pkt_size; + break; + + case PACKET_WREG_32: + memcpy(kernel_pkt, user_pkt, pkt_size); + cb_patched_cur_length += pkt_size; + rc = goya_validate_wreg32(hdev, parser, kernel_pkt); + break; + + case PACKET_WREG_BULK: + dev_err(hdev->dev, + "User not allowed to use WREG_BULK\n"); + rc = -EPERM; + break; + + case PACKET_MSG_PROT: + dev_err(hdev->dev, + "User not allowed to use MSG_PROT\n"); + rc = -EPERM; + break; + + case PACKET_CP_DMA: + dev_err(hdev->dev, "User not allowed to use CP_DMA\n"); + rc = -EPERM; + break; + + case PACKET_STOP: + dev_err(hdev->dev, "User not allowed to use STOP\n"); + rc = -EPERM; + break; + + case PACKET_MSG_LONG: + case PACKET_MSG_SHORT: + case PACKET_FENCE: + case PACKET_NOP: + memcpy(kernel_pkt, user_pkt, pkt_size); + cb_patched_cur_length += pkt_size; + break; + + default: + dev_err(hdev->dev, "Invalid packet header 0x%x\n", + pkt_id); + rc = -EINVAL; + break; + } + + if (rc) + break; + } + + return rc; +} + +static int goya_parse_cb_mmu(struct hl_device *hdev, + struct hl_cs_parser *parser) +{ + u64 patched_cb_handle; + u32 patched_cb_size; + struct hl_cb *user_cb; + int rc; + + /* + * The new CB should have space at the end for two MSG_PROT pkt: + * 1. A packet that will act as a completion packet + * 2. A packet that will generate MSI-X interrupt + */ + parser->patched_cb_size = parser->user_cb_size + + sizeof(struct packet_msg_prot) * 2; + + rc = hl_cb_create(hdev, &hdev->kernel_cb_mgr, + parser->patched_cb_size, + &patched_cb_handle, HL_KERNEL_ASID_ID); + + if (rc) { + dev_err(hdev->dev, + "Failed to allocate patched CB for DMA CS %d\n", + rc); + return rc; + } + + patched_cb_handle >>= PAGE_SHIFT; + parser->patched_cb = hl_cb_get(hdev, &hdev->kernel_cb_mgr, + (u32) patched_cb_handle); + /* hl_cb_get should never fail here so use kernel WARN */ + WARN(!parser->patched_cb, "DMA CB handle invalid 0x%x\n", + (u32) patched_cb_handle); + if (!parser->patched_cb) { + rc = -EFAULT; + goto out; + } + + /* + * The check that parser->user_cb_size <= parser->user_cb->size was done + * in validate_queue_index(). + */ + memcpy((void *) (uintptr_t) parser->patched_cb->kernel_address, + (void *) (uintptr_t) parser->user_cb->kernel_address, + parser->user_cb_size); + + patched_cb_size = parser->patched_cb_size; + + /* validate patched CB instead of user CB */ + user_cb = parser->user_cb; + parser->user_cb = parser->patched_cb; + rc = goya_validate_cb(hdev, parser, true); + parser->user_cb = user_cb; + + if (rc) { + hl_cb_put(parser->patched_cb); + goto out; + } + + if (patched_cb_size != parser->patched_cb_size) { + dev_err(hdev->dev, "user CB size mismatch\n"); + hl_cb_put(parser->patched_cb); + rc = -EINVAL; + goto out; + } + +out: + /* + * Always call cb destroy here because we still have 1 reference + * to it by calling cb_get earlier. After the job will be completed, + * cb_put will release it, but here we want to remove it from the + * idr + */ + hl_cb_destroy(hdev, &hdev->kernel_cb_mgr, + patched_cb_handle << PAGE_SHIFT); + + return rc; +} + +static int goya_parse_cb_no_mmu(struct hl_device *hdev, + struct hl_cs_parser *parser) +{ + u64 patched_cb_handle; + int rc; + + rc = goya_validate_cb(hdev, parser, false); + + if (rc) + goto free_userptr; + + rc = hl_cb_create(hdev, &hdev->kernel_cb_mgr, + parser->patched_cb_size, + &patched_cb_handle, HL_KERNEL_ASID_ID); + if (rc) { + dev_err(hdev->dev, + "Failed to allocate patched CB for DMA CS %d\n", rc); + goto free_userptr; + } + + patched_cb_handle >>= PAGE_SHIFT; + parser->patched_cb = hl_cb_get(hdev, &hdev->kernel_cb_mgr, + (u32) patched_cb_handle); + /* hl_cb_get should never fail here so use kernel WARN */ + WARN(!parser->patched_cb, "DMA CB handle invalid 0x%x\n", + (u32) patched_cb_handle); + if (!parser->patched_cb) { + rc = -EFAULT; + goto out; + } + + rc = goya_patch_cb(hdev, parser); + + if (rc) + hl_cb_put(parser->patched_cb); + +out: + /* + * Always call cb destroy here because we still have 1 reference + * to it by calling cb_get earlier. After the job will be completed, + * cb_put will release it, but here we want to remove it from the + * idr + */ + hl_cb_destroy(hdev, &hdev->kernel_cb_mgr, + patched_cb_handle << PAGE_SHIFT); + +free_userptr: + if (rc) + hl_userptr_delete_list(hdev, parser->job_userptr_list); + return rc; +} + +static int goya_parse_cb_no_ext_quque(struct hl_device *hdev, + struct hl_cs_parser *parser) +{ + struct asic_fixed_properties *asic_prop = &hdev->asic_prop; + struct goya_device *goya = hdev->asic_specific; + + if (!(goya->hw_cap_initialized & HW_CAP_MMU)) { + /* For internal queue jobs, just check if cb address is valid */ + if (hl_mem_area_inside_range( + (u64) (uintptr_t) parser->user_cb, + parser->user_cb_size, + asic_prop->sram_user_base_address, + asic_prop->sram_end_address)) + return 0; + + if (hl_mem_area_inside_range( + (u64) (uintptr_t) parser->user_cb, + parser->user_cb_size, + asic_prop->dram_user_base_address, + asic_prop->dram_end_address)) + return 0; + + dev_err(hdev->dev, + "Internal CB address %px + 0x%x is not in SRAM nor in DRAM\n", + parser->user_cb, parser->user_cb_size); + + return -EFAULT; + } + + return 0; +} + +int goya_cs_parser(struct hl_device *hdev, struct hl_cs_parser *parser) +{ + struct goya_device *goya = hdev->asic_specific; + + if (!parser->ext_queue) + return goya_parse_cb_no_ext_quque(hdev, parser); + + if ((goya->hw_cap_initialized & HW_CAP_MMU) && parser->use_virt_addr) + return goya_parse_cb_mmu(hdev, parser); + else + return goya_parse_cb_no_mmu(hdev, parser); +} + +void goya_add_end_of_cb_packets(u64 kernel_address, u32 len, u64 cq_addr, + u32 cq_val, u32 msix_vec) +{ + struct packet_msg_prot *cq_pkt; + u32 tmp; + + cq_pkt = (struct packet_msg_prot *) (uintptr_t) + (kernel_address + len - (sizeof(struct packet_msg_prot) * 2)); + + tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) | + (1 << GOYA_PKT_CTL_EB_SHIFT) | + (1 << GOYA_PKT_CTL_MB_SHIFT); + cq_pkt->ctl = cpu_to_le32(tmp); + cq_pkt->value = cpu_to_le32(cq_val); + cq_pkt->addr = cpu_to_le64(cq_addr); + + cq_pkt++; + + tmp = (PACKET_MSG_PROT << GOYA_PKT_CTL_OPCODE_SHIFT) | + (1 << GOYA_PKT_CTL_MB_SHIFT); + cq_pkt->ctl = cpu_to_le32(tmp); + cq_pkt->value = cpu_to_le32(msix_vec & 0x7FF); + cq_pkt->addr = cpu_to_le64(CFG_BASE + mmPCIE_DBI_MSIX_DOORBELL_OFF); +} + +static void goya_update_eq_ci(struct hl_device *hdev, u32 val) +{ + WREG32(mmPSOC_GLOBAL_CONF_SCRATCHPAD_6, val); +} + +static void goya_restore_phase_topology(struct hl_device *hdev) +{ + int i, num_of_sob_in_longs, num_of_mon_in_longs; + + num_of_sob_in_longs = + ((mmSYNC_MNGR_SOB_OBJ_1023 - mmSYNC_MNGR_SOB_OBJ_0) + 4); + + num_of_mon_in_longs = + ((mmSYNC_MNGR_MON_STATUS_255 - mmSYNC_MNGR_MON_STATUS_0) + 4); + + for (i = 0 ; i < num_of_sob_in_longs ; i += 4) + WREG32(mmSYNC_MNGR_SOB_OBJ_0 + i, 0); + + for (i = 0 ; i < num_of_mon_in_longs ; i += 4) + WREG32(mmSYNC_MNGR_MON_STATUS_0 + i, 0); + + /* Flush all WREG to prevent race */ + i = RREG32(mmSYNC_MNGR_SOB_OBJ_0); +} + +/* + * goya_debugfs_read32 - read a 32bit value from a given device address + * + * @hdev: pointer to hl_device structure + * @addr: address in device + * @val: returned value + * + * In case of DDR address that is not mapped into the default aperture that + * the DDR bar exposes, the function will configure the iATU so that the DDR + * bar will be positioned at a base address that allows reading from the + * required address. Configuring the iATU during normal operation can + * lead to undefined behavior and therefore, should be done with extreme care + * + */ +static int goya_debugfs_read32(struct hl_device *hdev, u64 addr, u32 *val) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + int rc = 0; + + if ((addr >= CFG_BASE) && (addr < CFG_BASE + CFG_SIZE)) { + *val = RREG32(addr - CFG_BASE); + + } else if ((addr >= SRAM_BASE_ADDR) && + (addr < SRAM_BASE_ADDR + SRAM_SIZE)) { + + *val = readl(hdev->pcie_bar[SRAM_CFG_BAR_ID] + + (addr - SRAM_BASE_ADDR)); + + } else if ((addr >= DRAM_PHYS_BASE) && + (addr < DRAM_PHYS_BASE + hdev->asic_prop.dram_size)) { + + u64 bar_base_addr = DRAM_PHYS_BASE + + (addr & ~(prop->dram_pci_bar_size - 0x1ull)); + + rc = goya_set_ddr_bar_base(hdev, bar_base_addr); + if (!rc) { + *val = readl(hdev->pcie_bar[DDR_BAR_ID] + + (addr - bar_base_addr)); + + rc = goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE + + (MMU_PAGE_TABLES_ADDR & + ~(prop->dram_pci_bar_size - 0x1ull))); + } + } else { + rc = -EFAULT; + } + + return rc; +} + +/* + * goya_debugfs_write32 - write a 32bit value to a given device address + * + * @hdev: pointer to hl_device structure + * @addr: address in device + * @val: returned value + * + * In case of DDR address that is not mapped into the default aperture that + * the DDR bar exposes, the function will configure the iATU so that the DDR + * bar will be positioned at a base address that allows writing to the + * required address. Configuring the iATU during normal operation can + * lead to undefined behavior and therefore, should be done with extreme care + * + */ +static int goya_debugfs_write32(struct hl_device *hdev, u64 addr, u32 val) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + int rc = 0; + + if ((addr >= CFG_BASE) && (addr < CFG_BASE + CFG_SIZE)) { + WREG32(addr - CFG_BASE, val); + + } else if ((addr >= SRAM_BASE_ADDR) && + (addr < SRAM_BASE_ADDR + SRAM_SIZE)) { + + writel(val, hdev->pcie_bar[SRAM_CFG_BAR_ID] + + (addr - SRAM_BASE_ADDR)); + + } else if ((addr >= DRAM_PHYS_BASE) && + (addr < DRAM_PHYS_BASE + hdev->asic_prop.dram_size)) { + + u64 bar_base_addr = DRAM_PHYS_BASE + + (addr & ~(prop->dram_pci_bar_size - 0x1ull)); + + rc = goya_set_ddr_bar_base(hdev, bar_base_addr); + if (!rc) { + writel(val, hdev->pcie_bar[DDR_BAR_ID] + + (addr - bar_base_addr)); + + rc = goya_set_ddr_bar_base(hdev, DRAM_PHYS_BASE + + (MMU_PAGE_TABLES_ADDR & + ~(prop->dram_pci_bar_size - 0x1ull))); + } + } else { + rc = -EFAULT; + } + + return rc; +} + +static u64 goya_read_pte(struct hl_device *hdev, u64 addr) +{ + struct goya_device *goya = hdev->asic_specific; + + return readq(hdev->pcie_bar[DDR_BAR_ID] + + (addr - goya->ddr_bar_cur_addr)); +} + +static void goya_write_pte(struct hl_device *hdev, u64 addr, u64 val) +{ + struct goya_device *goya = hdev->asic_specific; + + writeq(val, hdev->pcie_bar[DDR_BAR_ID] + + (addr - goya->ddr_bar_cur_addr)); +} + +static const char *_goya_get_event_desc(u16 event_type) +{ + switch (event_type) { + case GOYA_ASYNC_EVENT_ID_PCIE_DEC: + return "PCIe_dec"; + case GOYA_ASYNC_EVENT_ID_TPC0_DEC: + case GOYA_ASYNC_EVENT_ID_TPC1_DEC: + case GOYA_ASYNC_EVENT_ID_TPC2_DEC: + case GOYA_ASYNC_EVENT_ID_TPC3_DEC: + case GOYA_ASYNC_EVENT_ID_TPC4_DEC: + case GOYA_ASYNC_EVENT_ID_TPC5_DEC: + case GOYA_ASYNC_EVENT_ID_TPC6_DEC: + case GOYA_ASYNC_EVENT_ID_TPC7_DEC: + return "TPC%d_dec"; + case GOYA_ASYNC_EVENT_ID_MME_WACS: + return "MME_wacs"; + case GOYA_ASYNC_EVENT_ID_MME_WACSD: + return "MME_wacsd"; + case GOYA_ASYNC_EVENT_ID_CPU_AXI_SPLITTER: + return "CPU_axi_splitter"; + case GOYA_ASYNC_EVENT_ID_PSOC_AXI_DEC: + return "PSOC_axi_dec"; + case GOYA_ASYNC_EVENT_ID_PSOC: + return "PSOC"; + case GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR: + return "TPC%d_krn_err"; + case GOYA_ASYNC_EVENT_ID_TPC0_CMDQ ... GOYA_ASYNC_EVENT_ID_TPC7_CMDQ: + return "TPC%d_cq"; + case GOYA_ASYNC_EVENT_ID_TPC0_QM ... GOYA_ASYNC_EVENT_ID_TPC7_QM: + return "TPC%d_qm"; + case GOYA_ASYNC_EVENT_ID_MME_QM: + return "MME_qm"; + case GOYA_ASYNC_EVENT_ID_MME_CMDQ: + return "MME_cq"; + case GOYA_ASYNC_EVENT_ID_DMA0_QM ... GOYA_ASYNC_EVENT_ID_DMA4_QM: + return "DMA%d_qm"; + case GOYA_ASYNC_EVENT_ID_DMA0_CH ... GOYA_ASYNC_EVENT_ID_DMA4_CH: + return "DMA%d_ch"; + default: + return "N/A"; + } +} + +static void goya_get_event_desc(u16 event_type, char *desc, size_t size) +{ + u8 index; + + switch (event_type) { + case GOYA_ASYNC_EVENT_ID_TPC0_DEC: + case GOYA_ASYNC_EVENT_ID_TPC1_DEC: + case GOYA_ASYNC_EVENT_ID_TPC2_DEC: + case GOYA_ASYNC_EVENT_ID_TPC3_DEC: + case GOYA_ASYNC_EVENT_ID_TPC4_DEC: + case GOYA_ASYNC_EVENT_ID_TPC5_DEC: + case GOYA_ASYNC_EVENT_ID_TPC6_DEC: + case GOYA_ASYNC_EVENT_ID_TPC7_DEC: + index = (event_type - GOYA_ASYNC_EVENT_ID_TPC0_DEC) / 3; + snprintf(desc, size, _goya_get_event_desc(event_type), index); + break; + case GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR: + index = (event_type - GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR) / 10; + snprintf(desc, size, _goya_get_event_desc(event_type), index); + break; + case GOYA_ASYNC_EVENT_ID_TPC0_CMDQ ... GOYA_ASYNC_EVENT_ID_TPC7_CMDQ: + index = event_type - GOYA_ASYNC_EVENT_ID_TPC0_CMDQ; + snprintf(desc, size, _goya_get_event_desc(event_type), index); + break; + case GOYA_ASYNC_EVENT_ID_TPC0_QM ... GOYA_ASYNC_EVENT_ID_TPC7_QM: + index = event_type - GOYA_ASYNC_EVENT_ID_TPC0_QM; + snprintf(desc, size, _goya_get_event_desc(event_type), index); + break; + case GOYA_ASYNC_EVENT_ID_DMA0_QM ... GOYA_ASYNC_EVENT_ID_DMA4_QM: + index = event_type - GOYA_ASYNC_EVENT_ID_DMA0_QM; + snprintf(desc, size, _goya_get_event_desc(event_type), index); + break; + case GOYA_ASYNC_EVENT_ID_DMA0_CH ... GOYA_ASYNC_EVENT_ID_DMA4_CH: + index = event_type - GOYA_ASYNC_EVENT_ID_DMA0_CH; + snprintf(desc, size, _goya_get_event_desc(event_type), index); + break; + default: + snprintf(desc, size, _goya_get_event_desc(event_type)); + break; + } +} + +static void goya_print_razwi_info(struct hl_device *hdev) +{ + if (RREG32(mmDMA_MACRO_RAZWI_LBW_WT_VLD)) { + dev_err(hdev->dev, "Illegal write to LBW\n"); + WREG32(mmDMA_MACRO_RAZWI_LBW_WT_VLD, 0); + } + + if (RREG32(mmDMA_MACRO_RAZWI_LBW_RD_VLD)) { + dev_err(hdev->dev, "Illegal read from LBW\n"); + WREG32(mmDMA_MACRO_RAZWI_LBW_RD_VLD, 0); + } + + if (RREG32(mmDMA_MACRO_RAZWI_HBW_WT_VLD)) { + dev_err(hdev->dev, "Illegal write to HBW\n"); + WREG32(mmDMA_MACRO_RAZWI_HBW_WT_VLD, 0); + } + + if (RREG32(mmDMA_MACRO_RAZWI_HBW_RD_VLD)) { + dev_err(hdev->dev, "Illegal read from HBW\n"); + WREG32(mmDMA_MACRO_RAZWI_HBW_RD_VLD, 0); + } +} + +static void goya_print_mmu_error_info(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + u64 addr; + u32 val; + + if (!(goya->hw_cap_initialized & HW_CAP_MMU)) + return; + + val = RREG32(mmMMU_PAGE_ERROR_CAPTURE); + if (val & MMU_PAGE_ERROR_CAPTURE_ENTRY_VALID_MASK) { + addr = val & MMU_PAGE_ERROR_CAPTURE_VA_49_32_MASK; + addr <<= 32; + addr |= RREG32(mmMMU_PAGE_ERROR_CAPTURE_VA); + + dev_err(hdev->dev, "MMU page fault on va 0x%llx\n", addr); + + WREG32(mmMMU_PAGE_ERROR_CAPTURE, 0); + } +} + +static void goya_print_irq_info(struct hl_device *hdev, u16 event_type) +{ + char desc[20] = ""; + + goya_get_event_desc(event_type, desc, sizeof(desc)); + dev_err(hdev->dev, "Received H/W interrupt %d [\"%s\"]\n", + event_type, desc); + + goya_print_razwi_info(hdev); + goya_print_mmu_error_info(hdev); +} + +static int goya_unmask_irq_arr(struct hl_device *hdev, u32 *irq_arr, + size_t irq_arr_size) +{ + struct armcp_unmask_irq_arr_packet *pkt; + size_t total_pkt_size; + long result; + int rc; + + total_pkt_size = sizeof(struct armcp_unmask_irq_arr_packet) + + irq_arr_size; + + /* data should be aligned to 8 bytes in order to ArmCP to copy it */ + total_pkt_size = (total_pkt_size + 0x7) & ~0x7; + + /* total_pkt_size is casted to u16 later on */ + if (total_pkt_size > USHRT_MAX) { + dev_err(hdev->dev, "too many elements in IRQ array\n"); + return -EINVAL; + } + + pkt = kzalloc(total_pkt_size, GFP_KERNEL); + if (!pkt) + return -ENOMEM; + + pkt->length = cpu_to_le32(irq_arr_size / sizeof(irq_arr[0])); + memcpy(&pkt->irqs, irq_arr, irq_arr_size); + + pkt->armcp_pkt.ctl = cpu_to_le32(ARMCP_PACKET_UNMASK_RAZWI_IRQ_ARRAY << + ARMCP_PKT_CTL_OPCODE_SHIFT); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) pkt, + total_pkt_size, HL_DEVICE_TIMEOUT_USEC, &result); + + if (rc) + dev_err(hdev->dev, "failed to unmask IRQ array\n"); + + kfree(pkt); + + return rc; +} + +static int goya_soft_reset_late_init(struct hl_device *hdev) +{ + /* + * Unmask all IRQs since some could have been received + * during the soft reset + */ + return goya_unmask_irq_arr(hdev, goya_non_fatal_events, + sizeof(goya_non_fatal_events)); +} + +static int goya_unmask_irq(struct hl_device *hdev, u16 event_type) +{ + struct armcp_packet pkt; + long result; + int rc; + + memset(&pkt, 0, sizeof(pkt)); + + pkt.ctl = cpu_to_le32(ARMCP_PACKET_UNMASK_RAZWI_IRQ << + ARMCP_PKT_CTL_OPCODE_SHIFT); + pkt.value = cpu_to_le64(event_type); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), + HL_DEVICE_TIMEOUT_USEC, &result); + + if (rc) + dev_err(hdev->dev, "failed to unmask RAZWI IRQ %d", event_type); + + return rc; +} + +void goya_handle_eqe(struct hl_device *hdev, struct hl_eq_entry *eq_entry) +{ + u32 ctl = le32_to_cpu(eq_entry->hdr.ctl); + u16 event_type = ((ctl & EQ_CTL_EVENT_TYPE_MASK) + >> EQ_CTL_EVENT_TYPE_SHIFT); + struct goya_device *goya = hdev->asic_specific; + + goya->events_stat[event_type]++; + + switch (event_type) { + case GOYA_ASYNC_EVENT_ID_PCIE_IF: + case GOYA_ASYNC_EVENT_ID_TPC0_ECC: + case GOYA_ASYNC_EVENT_ID_TPC1_ECC: + case GOYA_ASYNC_EVENT_ID_TPC2_ECC: + case GOYA_ASYNC_EVENT_ID_TPC3_ECC: + case GOYA_ASYNC_EVENT_ID_TPC4_ECC: + case GOYA_ASYNC_EVENT_ID_TPC5_ECC: + case GOYA_ASYNC_EVENT_ID_TPC6_ECC: + case GOYA_ASYNC_EVENT_ID_TPC7_ECC: + case GOYA_ASYNC_EVENT_ID_MME_ECC: + case GOYA_ASYNC_EVENT_ID_MME_ECC_EXT: + case GOYA_ASYNC_EVENT_ID_MMU_ECC: + case GOYA_ASYNC_EVENT_ID_DMA_MACRO: + case GOYA_ASYNC_EVENT_ID_DMA_ECC: + case GOYA_ASYNC_EVENT_ID_CPU_IF_ECC: + case GOYA_ASYNC_EVENT_ID_PSOC_MEM: + case GOYA_ASYNC_EVENT_ID_PSOC_CORESIGHT: + case GOYA_ASYNC_EVENT_ID_SRAM0 ... GOYA_ASYNC_EVENT_ID_SRAM29: + case GOYA_ASYNC_EVENT_ID_GIC500: + case GOYA_ASYNC_EVENT_ID_PLL0: + case GOYA_ASYNC_EVENT_ID_PLL1: + case GOYA_ASYNC_EVENT_ID_PLL3: + case GOYA_ASYNC_EVENT_ID_PLL4: + case GOYA_ASYNC_EVENT_ID_PLL5: + case GOYA_ASYNC_EVENT_ID_PLL6: + case GOYA_ASYNC_EVENT_ID_AXI_ECC: + case GOYA_ASYNC_EVENT_ID_L2_RAM_ECC: + case GOYA_ASYNC_EVENT_ID_PSOC_GPIO_05_SW_RESET: + case GOYA_ASYNC_EVENT_ID_PSOC_GPIO_10_VRHOT_ICRIT: + dev_err(hdev->dev, + "Received H/W interrupt %d, reset the chip\n", + event_type); + hl_device_reset(hdev, true, false); + break; + + case GOYA_ASYNC_EVENT_ID_PCIE_DEC: + case GOYA_ASYNC_EVENT_ID_TPC0_DEC: + case GOYA_ASYNC_EVENT_ID_TPC1_DEC: + case GOYA_ASYNC_EVENT_ID_TPC2_DEC: + case GOYA_ASYNC_EVENT_ID_TPC3_DEC: + case GOYA_ASYNC_EVENT_ID_TPC4_DEC: + case GOYA_ASYNC_EVENT_ID_TPC5_DEC: + case GOYA_ASYNC_EVENT_ID_TPC6_DEC: + case GOYA_ASYNC_EVENT_ID_TPC7_DEC: + case GOYA_ASYNC_EVENT_ID_MME_WACS: + case GOYA_ASYNC_EVENT_ID_MME_WACSD: + case GOYA_ASYNC_EVENT_ID_CPU_AXI_SPLITTER: + case GOYA_ASYNC_EVENT_ID_PSOC_AXI_DEC: + case GOYA_ASYNC_EVENT_ID_PSOC: + case GOYA_ASYNC_EVENT_ID_TPC0_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC1_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC2_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC3_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC4_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC5_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC6_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC7_KRN_ERR: + case GOYA_ASYNC_EVENT_ID_TPC0_CMDQ ... GOYA_ASYNC_EVENT_ID_TPC7_QM: + case GOYA_ASYNC_EVENT_ID_MME_QM: + case GOYA_ASYNC_EVENT_ID_MME_CMDQ: + case GOYA_ASYNC_EVENT_ID_DMA0_QM ... GOYA_ASYNC_EVENT_ID_DMA4_QM: + case GOYA_ASYNC_EVENT_ID_DMA0_CH ... GOYA_ASYNC_EVENT_ID_DMA4_CH: + goya_print_irq_info(hdev, event_type); + goya_unmask_irq(hdev, event_type); + break; + + case GOYA_ASYNC_EVENT_ID_TPC0_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_TPC1_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_TPC2_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_TPC3_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_TPC4_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_TPC5_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_TPC6_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_TPC7_BMON_SPMU: + case GOYA_ASYNC_EVENT_ID_DMA_BM_CH0: + case GOYA_ASYNC_EVENT_ID_DMA_BM_CH1: + case GOYA_ASYNC_EVENT_ID_DMA_BM_CH2: + case GOYA_ASYNC_EVENT_ID_DMA_BM_CH3: + case GOYA_ASYNC_EVENT_ID_DMA_BM_CH4: + dev_info(hdev->dev, "Received H/W interrupt %d\n", event_type); + break; + + default: + dev_err(hdev->dev, "Received invalid H/W interrupt %d\n", + event_type); + break; + } +} + +void *goya_get_events_stat(struct hl_device *hdev, u32 *size) +{ + struct goya_device *goya = hdev->asic_specific; + + *size = (u32) sizeof(goya->events_stat); + + return goya->events_stat; +} + +static int goya_memset_device_memory(struct hl_device *hdev, u64 addr, u32 size, + u64 val, bool is_dram) +{ + struct packet_lin_dma *lin_dma_pkt; + struct hl_cs_parser parser; + struct hl_cs_job *job; + u32 cb_size, ctl; + struct hl_cb *cb; + int rc; + + cb = hl_cb_kernel_create(hdev, PAGE_SIZE); + if (!cb) + return -EFAULT; + + lin_dma_pkt = (struct packet_lin_dma *) (uintptr_t) cb->kernel_address; + + memset(lin_dma_pkt, 0, sizeof(*lin_dma_pkt)); + cb_size = sizeof(*lin_dma_pkt); + + ctl = ((PACKET_LIN_DMA << GOYA_PKT_CTL_OPCODE_SHIFT) | + (1 << GOYA_PKT_LIN_DMA_CTL_MEMSET_SHIFT) | + (1 << GOYA_PKT_LIN_DMA_CTL_WO_SHIFT) | + (1 << GOYA_PKT_CTL_RB_SHIFT) | + (1 << GOYA_PKT_CTL_MB_SHIFT)); + ctl |= (is_dram ? DMA_HOST_TO_DRAM : DMA_HOST_TO_SRAM) << + GOYA_PKT_LIN_DMA_CTL_DMA_DIR_SHIFT; + lin_dma_pkt->ctl = cpu_to_le32(ctl); + + lin_dma_pkt->src_addr = cpu_to_le64(val); + lin_dma_pkt->dst_addr = cpu_to_le64(addr); + lin_dma_pkt->tsize = cpu_to_le32(size); + + job = hl_cs_allocate_job(hdev, true); + if (!job) { + dev_err(hdev->dev, "Failed to allocate a new job\n"); + rc = -ENOMEM; + goto release_cb; + } + + job->id = 0; + job->user_cb = cb; + job->user_cb->cs_cnt++; + job->user_cb_size = cb_size; + job->hw_queue_id = GOYA_QUEUE_ID_DMA_0; + + hl_debugfs_add_job(hdev, job); + + parser.ctx_id = HL_KERNEL_ASID_ID; + parser.cs_sequence = 0; + parser.job_id = job->id; + parser.hw_queue_id = job->hw_queue_id; + parser.job_userptr_list = &job->userptr_list; + parser.user_cb = job->user_cb; + parser.user_cb_size = job->user_cb_size; + parser.ext_queue = job->ext_queue; + parser.use_virt_addr = hdev->mmu_enable; + + rc = hdev->asic_funcs->cs_parser(hdev, &parser); + if (rc) { + dev_err(hdev->dev, "Failed to parse kernel CB\n"); + goto free_job; + } + + job->patched_cb = parser.patched_cb; + job->job_cb_size = parser.patched_cb_size; + job->patched_cb->cs_cnt++; + + rc = goya_send_job_on_qman0(hdev, job); + + job->patched_cb->cs_cnt--; + hl_cb_put(job->patched_cb); + +free_job: + hl_userptr_delete_list(hdev, &job->userptr_list); + hl_debugfs_remove_job(hdev, job); + kfree(job); + cb->cs_cnt--; + +release_cb: + hl_cb_put(cb); + hl_cb_destroy(hdev, &hdev->kernel_cb_mgr, cb->id << PAGE_SHIFT); + + return rc; +} + +static int goya_context_switch(struct hl_device *hdev, u32 asid) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + u64 addr = prop->sram_base_address; + u32 size = hdev->pldm ? 0x10000 : prop->sram_size; + u64 val = 0x7777777777777777ull; + int rc; + + rc = goya_memset_device_memory(hdev, addr, size, val, false); + if (rc) { + dev_err(hdev->dev, "Failed to clear SRAM in context switch\n"); + return rc; + } + + goya_mmu_prepare(hdev, asid); + + return 0; +} + +static int goya_mmu_clear_pgt_range(struct hl_device *hdev) +{ + struct asic_fixed_properties *prop = &hdev->asic_prop; + struct goya_device *goya = hdev->asic_specific; + u64 addr = prop->mmu_pgt_addr; + u32 size = prop->mmu_pgt_size + MMU_DRAM_DEFAULT_PAGE_SIZE + + MMU_CACHE_MNG_SIZE; + + if (!(goya->hw_cap_initialized & HW_CAP_MMU)) + return 0; + + return goya_memset_device_memory(hdev, addr, size, 0, true); +} + +static int goya_mmu_set_dram_default_page(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + u64 addr = hdev->asic_prop.mmu_dram_default_page_addr; + u32 size = MMU_DRAM_DEFAULT_PAGE_SIZE; + u64 val = 0x9999999999999999ull; + + if (!(goya->hw_cap_initialized & HW_CAP_MMU)) + return 0; + + return goya_memset_device_memory(hdev, addr, size, val, true); +} + +static void goya_mmu_prepare(struct hl_device *hdev, u32 asid) +{ + struct goya_device *goya = hdev->asic_specific; + int i; + + if (!(goya->hw_cap_initialized & HW_CAP_MMU)) + return; + + if (asid & ~MME_QM_GLBL_SECURE_PROPS_ASID_MASK) { + WARN(1, "asid %u is too big\n", asid); + return; + } + + /* zero the MMBP and ASID bits and then set the ASID */ + for (i = 0 ; i < GOYA_MMU_REGS_NUM ; i++) { + WREG32_AND(goya_mmu_regs[i], ~0x7FF); + WREG32_OR(goya_mmu_regs[i], asid); + } +} + +static void goya_mmu_invalidate_cache(struct hl_device *hdev, bool is_hard) +{ + struct goya_device *goya = hdev->asic_specific; + u32 status, timeout_usec; + int rc; + + if (!(goya->hw_cap_initialized & HW_CAP_MMU)) + return; + + /* no need in L1 only invalidation in Goya */ + if (!is_hard) + return; + + if (hdev->pldm) + timeout_usec = GOYA_PLDM_MMU_TIMEOUT_USEC; + else + timeout_usec = MMU_CONFIG_TIMEOUT_USEC; + + mutex_lock(&hdev->mmu_cache_lock); + + /* L0 & L1 invalidation */ + WREG32(mmSTLB_INV_ALL_START, 1); + + rc = hl_poll_timeout( + hdev, + mmSTLB_INV_ALL_START, + status, + !status, + 1000, + timeout_usec); + + mutex_unlock(&hdev->mmu_cache_lock); + + if (rc) + dev_notice_ratelimited(hdev->dev, + "Timeout when waiting for MMU cache invalidation\n"); +} + +static void goya_mmu_invalidate_cache_range(struct hl_device *hdev, + bool is_hard, u32 asid, u64 va, u64 size) +{ + struct goya_device *goya = hdev->asic_specific; + u32 status, timeout_usec, inv_data, pi; + int rc; + + if (!(goya->hw_cap_initialized & HW_CAP_MMU)) + return; + + /* no need in L1 only invalidation in Goya */ + if (!is_hard) + return; + + if (hdev->pldm) + timeout_usec = GOYA_PLDM_MMU_TIMEOUT_USEC; + else + timeout_usec = MMU_CONFIG_TIMEOUT_USEC; + + mutex_lock(&hdev->mmu_cache_lock); + + /* + * TODO: currently invalidate entire L0 & L1 as in regular hard + * invalidation. Need to apply invalidation of specific cache lines with + * mask of ASID & VA & size. + * Note that L1 with be flushed entirely in any case. + */ + + /* L0 & L1 invalidation */ + inv_data = RREG32(mmSTLB_CACHE_INV); + /* PI is 8 bit */ + pi = ((inv_data & STLB_CACHE_INV_PRODUCER_INDEX_MASK) + 1) & 0xFF; + WREG32(mmSTLB_CACHE_INV, + (inv_data & STLB_CACHE_INV_INDEX_MASK_MASK) | pi); + + rc = hl_poll_timeout( + hdev, + mmSTLB_INV_CONSUMER_INDEX, + status, + status == pi, + 1000, + timeout_usec); + + mutex_unlock(&hdev->mmu_cache_lock); + + if (rc) + dev_notice_ratelimited(hdev->dev, + "Timeout when waiting for MMU cache invalidation\n"); +} + +static int goya_mmu_update_asid_hop0_addr(struct hl_device *hdev, u32 asid, + u64 phys_addr) +{ + u32 status, timeout_usec; + int rc; + + if (hdev->pldm) + timeout_usec = GOYA_PLDM_MMU_TIMEOUT_USEC; + else + timeout_usec = MMU_CONFIG_TIMEOUT_USEC; + + WREG32(MMU_HOP0_PA43_12, phys_addr >> MMU_HOP0_PA43_12_SHIFT); + WREG32(MMU_HOP0_PA49_44, phys_addr >> MMU_HOP0_PA49_44_SHIFT); + WREG32(MMU_ASID_BUSY, 0x80000000 | asid); + + rc = hl_poll_timeout( + hdev, + MMU_ASID_BUSY, + status, + !(status & 0x80000000), + 1000, + timeout_usec); + + if (rc) { + dev_err(hdev->dev, + "Timeout during MMU hop0 config of asid %d\n", asid); + return rc; + } + + return 0; +} + +int goya_send_heartbeat(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + struct armcp_packet hb_pkt; + long result; + int rc; + + if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q)) + return 0; + + memset(&hb_pkt, 0, sizeof(hb_pkt)); + + hb_pkt.ctl = cpu_to_le32(ARMCP_PACKET_TEST << + ARMCP_PKT_CTL_OPCODE_SHIFT); + hb_pkt.value = cpu_to_le64(ARMCP_PACKET_FENCE_VAL); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &hb_pkt, + sizeof(hb_pkt), HL_DEVICE_TIMEOUT_USEC, &result); + + if ((rc) || (result != ARMCP_PACKET_FENCE_VAL)) + rc = -EIO; + + return rc; +} + +static int goya_armcp_info_get(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + struct asic_fixed_properties *prop = &hdev->asic_prop; + struct armcp_packet pkt; + void *armcp_info_cpu_addr; + dma_addr_t armcp_info_dma_addr; + u64 dram_size; + long result; + int rc; + + if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q)) + return 0; + + armcp_info_cpu_addr = + hdev->asic_funcs->cpu_accessible_dma_pool_alloc(hdev, + sizeof(struct armcp_info), &armcp_info_dma_addr); + if (!armcp_info_cpu_addr) { + dev_err(hdev->dev, + "Failed to allocate DMA memory for ArmCP info packet\n"); + return -ENOMEM; + } + + memset(armcp_info_cpu_addr, 0, sizeof(struct armcp_info)); + + memset(&pkt, 0, sizeof(pkt)); + + pkt.ctl = cpu_to_le32(ARMCP_PACKET_INFO_GET << + ARMCP_PKT_CTL_OPCODE_SHIFT); + pkt.addr = cpu_to_le64(armcp_info_dma_addr + + prop->host_phys_base_address); + pkt.data_max_size = cpu_to_le32(sizeof(struct armcp_info)); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), + GOYA_ARMCP_INFO_TIMEOUT, &result); + + if (rc) { + dev_err(hdev->dev, + "Failed to send armcp info pkt, error %d\n", rc); + goto out; + } + + memcpy(&prop->armcp_info, armcp_info_cpu_addr, + sizeof(prop->armcp_info)); + + dram_size = le64_to_cpu(prop->armcp_info.dram_size); + if (dram_size) { + if ((!is_power_of_2(dram_size)) || + (dram_size < DRAM_PHYS_DEFAULT_SIZE)) { + dev_err(hdev->dev, + "F/W reported invalid DRAM size %llu. Trying to use default size\n", + dram_size); + dram_size = DRAM_PHYS_DEFAULT_SIZE; + } + + prop->dram_size = dram_size; + prop->dram_end_address = prop->dram_base_address + dram_size; + } + + rc = hl_build_hwmon_channel_info(hdev, prop->armcp_info.sensors); + if (rc) { + dev_err(hdev->dev, + "Failed to build hwmon channel info, error %d\n", rc); + rc = -EFAULT; + goto out; + } + +out: + hdev->asic_funcs->cpu_accessible_dma_pool_free(hdev, + sizeof(struct armcp_info), armcp_info_cpu_addr); + + return rc; +} + +static void goya_init_clock_gating(struct hl_device *hdev) +{ + +} + +static void goya_disable_clock_gating(struct hl_device *hdev) +{ + +} + +static bool goya_is_device_idle(struct hl_device *hdev) +{ + u64 offset, dma_qm_reg, tpc_qm_reg, tpc_cmdq_reg, tpc_cfg_reg; + int i; + + offset = mmDMA_QM_1_GLBL_STS0 - mmDMA_QM_0_GLBL_STS0; + + for (i = 0 ; i < DMA_MAX_NUM ; i++) { + dma_qm_reg = mmDMA_QM_0_GLBL_STS0 + i * offset; + + if ((RREG32(dma_qm_reg) & DMA_QM_IDLE_MASK) != + DMA_QM_IDLE_MASK) + return false; + } + + offset = mmTPC1_QM_GLBL_STS0 - mmTPC0_QM_GLBL_STS0; + + for (i = 0 ; i < TPC_MAX_NUM ; i++) { + tpc_qm_reg = mmTPC0_QM_GLBL_STS0 + i * offset; + tpc_cmdq_reg = mmTPC0_CMDQ_GLBL_STS0 + i * offset; + tpc_cfg_reg = mmTPC0_CFG_STATUS + i * offset; + + if ((RREG32(tpc_qm_reg) & TPC_QM_IDLE_MASK) != + TPC_QM_IDLE_MASK) + return false; + + if ((RREG32(tpc_cmdq_reg) & TPC_CMDQ_IDLE_MASK) != + TPC_CMDQ_IDLE_MASK) + return false; + + if ((RREG32(tpc_cfg_reg) & TPC_CFG_IDLE_MASK) != + TPC_CFG_IDLE_MASK) + return false; + } + + if ((RREG32(mmMME_QM_GLBL_STS0) & MME_QM_IDLE_MASK) != + MME_QM_IDLE_MASK) + return false; + + if ((RREG32(mmMME_CMDQ_GLBL_STS0) & MME_CMDQ_IDLE_MASK) != + MME_CMDQ_IDLE_MASK) + return false; + + if ((RREG32(mmMME_ARCH_STATUS) & MME_ARCH_IDLE_MASK) != + MME_ARCH_IDLE_MASK) + return false; + + if (RREG32(mmMME_SHADOW_0_STATUS) & MME_SHADOW_IDLE_MASK) + return false; + + return true; +} + +static void goya_hw_queues_lock(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + + spin_lock(&goya->hw_queues_lock); +} + +static void goya_hw_queues_unlock(struct hl_device *hdev) +{ + struct goya_device *goya = hdev->asic_specific; + + spin_unlock(&goya->hw_queues_lock); +} + +static u32 goya_get_pci_id(struct hl_device *hdev) +{ + return hdev->pdev->device; +} + +static int goya_get_eeprom_data(struct hl_device *hdev, void *data, + size_t max_size) +{ + struct goya_device *goya = hdev->asic_specific; + struct asic_fixed_properties *prop = &hdev->asic_prop; + struct armcp_packet pkt; + void *eeprom_info_cpu_addr; + dma_addr_t eeprom_info_dma_addr; + long result; + int rc; + + if (!(goya->hw_cap_initialized & HW_CAP_CPU_Q)) + return 0; + + eeprom_info_cpu_addr = + hdev->asic_funcs->cpu_accessible_dma_pool_alloc(hdev, + max_size, &eeprom_info_dma_addr); + if (!eeprom_info_cpu_addr) { + dev_err(hdev->dev, + "Failed to allocate DMA memory for EEPROM info packet\n"); + return -ENOMEM; + } + + memset(eeprom_info_cpu_addr, 0, max_size); + + memset(&pkt, 0, sizeof(pkt)); + + pkt.ctl = cpu_to_le32(ARMCP_PACKET_EEPROM_DATA_GET << + ARMCP_PKT_CTL_OPCODE_SHIFT); + pkt.addr = cpu_to_le64(eeprom_info_dma_addr + + prop->host_phys_base_address); + pkt.data_max_size = cpu_to_le32(max_size); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), + GOYA_ARMCP_EEPROM_TIMEOUT, &result); + + if (rc) { + dev_err(hdev->dev, + "Failed to send armcp EEPROM pkt, error %d\n", rc); + goto out; + } + + /* result contains the actual size */ + memcpy(data, eeprom_info_cpu_addr, min((size_t)result, max_size)); + +out: + hdev->asic_funcs->cpu_accessible_dma_pool_free(hdev, max_size, + eeprom_info_cpu_addr); + + return rc; +} + +static enum hl_device_hw_state goya_get_hw_state(struct hl_device *hdev) +{ + return RREG32(mmPSOC_GLOBAL_CONF_APP_STATUS); +} + +static const struct hl_asic_funcs goya_funcs = { + .early_init = goya_early_init, + .early_fini = goya_early_fini, + .late_init = goya_late_init, + .late_fini = goya_late_fini, + .sw_init = goya_sw_init, + .sw_fini = goya_sw_fini, + .hw_init = goya_hw_init, + .hw_fini = goya_hw_fini, + .halt_engines = goya_halt_engines, + .suspend = goya_suspend, + .resume = goya_resume, + .cb_mmap = goya_cb_mmap, + .ring_doorbell = goya_ring_doorbell, + .flush_pq_write = goya_flush_pq_write, + .dma_alloc_coherent = goya_dma_alloc_coherent, + .dma_free_coherent = goya_dma_free_coherent, + .get_int_queue_base = goya_get_int_queue_base, + .test_queues = goya_test_queues, + .dma_pool_zalloc = goya_dma_pool_zalloc, + .dma_pool_free = goya_dma_pool_free, + .cpu_accessible_dma_pool_alloc = goya_cpu_accessible_dma_pool_alloc, + .cpu_accessible_dma_pool_free = goya_cpu_accessible_dma_pool_free, + .hl_dma_unmap_sg = goya_dma_unmap_sg, + .cs_parser = goya_cs_parser, + .asic_dma_map_sg = goya_dma_map_sg, + .get_dma_desc_list_size = goya_get_dma_desc_list_size, + .add_end_of_cb_packets = goya_add_end_of_cb_packets, + .update_eq_ci = goya_update_eq_ci, + .context_switch = goya_context_switch, + .restore_phase_topology = goya_restore_phase_topology, + .debugfs_read32 = goya_debugfs_read32, + .debugfs_write32 = goya_debugfs_write32, + .add_device_attr = goya_add_device_attr, + .handle_eqe = goya_handle_eqe, + .set_pll_profile = goya_set_pll_profile, + .get_events_stat = goya_get_events_stat, + .read_pte = goya_read_pte, + .write_pte = goya_write_pte, + .mmu_invalidate_cache = goya_mmu_invalidate_cache, + .mmu_invalidate_cache_range = goya_mmu_invalidate_cache_range, + .send_heartbeat = goya_send_heartbeat, + .enable_clock_gating = goya_init_clock_gating, + .disable_clock_gating = goya_disable_clock_gating, + .is_device_idle = goya_is_device_idle, + .soft_reset_late_init = goya_soft_reset_late_init, + .hw_queues_lock = goya_hw_queues_lock, + .hw_queues_unlock = goya_hw_queues_unlock, + .get_pci_id = goya_get_pci_id, + .get_eeprom_data = goya_get_eeprom_data, + .send_cpu_message = goya_send_cpu_message, + .get_hw_state = goya_get_hw_state +}; + +/* + * goya_set_asic_funcs - set Goya function pointers + * + * @*hdev: pointer to hl_device structure + * + */ +void goya_set_asic_funcs(struct hl_device *hdev) +{ + hdev->asic_funcs = &goya_funcs; +} |