1 files changed, 0 insertions, 581 deletions

diff --git a/drivers/misc/habanalabs/firmware_if.c b/drivers/misc/habanalabs/firmware_if.c
deleted file mode 100644
index baf790cf4b78..000000000000
--- a/drivers/misc/habanalabs/firmware_if.c
+++ /dev/null
@@ -1,581 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-
-/*
- * Copyright 2016-2019 HabanaLabs, Ltd.
- * All Rights Reserved.
- */
-
-#include "habanalabs.h"
-#include "include/hl_boot_if.h"
-
-#include <linux/firmware.h>
-#include <linux/genalloc.h>
-#include <linux/io-64-nonatomic-lo-hi.h>
-#include <linux/slab.h>
-
-/**
- * hl_fw_load_fw_to_device() - Load F/W code to device's memory.
- * @hdev: pointer to hl_device structure.
- *
- * Copy fw code from firmware file to device memory.
- *
- * Return: 0 on success, non-zero for failure.
- */
-int hl_fw_load_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;
-	int rc;
-
-	rc = request_firmware(&fw, fw_name, hdev->dev);
-	if (rc) {
-		dev_err(hdev->dev, "Firmware file %s is not found!\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;
-
-	memcpy_toio(dst, fw_data, fw_size);
-
-out:
-	release_firmware(fw);
-	return rc;
-}
-
-int hl_fw_send_pci_access_msg(struct hl_device *hdev, u32 opcode)
-{
-	struct armcp_packet 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);
-}
-
-int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
-				u16 len, u32 timeout, long *result)
-{
-	struct armcp_packet *pkt;
-	dma_addr_t pkt_dma_addr;
-	u32 tmp;
-	int rc = 0;
-
-	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, hw_queue_id, 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, &pkt->fence, tmp,
-				(tmp == ARMCP_PACKET_FENCE_VAL), 1000,
-				timeout, true);
-
-	hl_hw_queue_inc_ci_kernel(hdev, hw_queue_id);
-
-	if (rc == -ETIMEDOUT) {
-		dev_err(hdev->dev, "Device CPU packet timeout (0x%x)\n", tmp);
-		hdev->device_cpu_disabled = true;
-		goto out;
-	}
-
-	tmp = le32_to_cpu(pkt->ctl);
-
-	rc = (tmp & 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,
-			(tmp & ARMCP_PKT_CTL_OPCODE_MASK)
-						>> ARMCP_PKT_CTL_OPCODE_SHIFT);
-		rc = -EIO;
-	} else if (result) {
-		*result = (long) le64_to_cpu(pkt->result);
-	}
-
-out:
-	mutex_unlock(&hdev->send_cpu_message_lock);
-
-	hdev->asic_funcs->cpu_accessible_dma_pool_free(hdev, len, pkt);
-
-	return rc;
-}
-
-int hl_fw_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;
-}
-
-int hl_fw_unmask_irq_arr(struct hl_device *hdev, const 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;
-}
-
-int hl_fw_test_cpu_queue(struct hl_device *hdev)
-{
-	struct armcp_packet test_pkt = {};
-	long result;
-	int rc;
-
-	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_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;
-}
-
-void *hl_fw_cpu_accessible_dma_pool_alloc(struct hl_device *hdev, size_t size,
-						dma_addr_t *dma_handle)
-{
-	u64 kernel_addr;
-
-	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;
-}
-
-void hl_fw_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size,
-					void *vaddr)
-{
-	gen_pool_free(hdev->cpu_accessible_dma_pool, (u64) (uintptr_t) vaddr,
-			size);
-}
-
-int hl_fw_send_heartbeat(struct hl_device *hdev)
-{
-	struct armcp_packet hb_pkt = {};
-	long result;
-	int rc;
-
-	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;
-}
-
-int hl_fw_armcp_info_get(struct hl_device *hdev)
-{
-	struct asic_fixed_properties *prop = &hdev->asic_prop;
-	struct armcp_packet pkt = {};
-	void *armcp_info_cpu_addr;
-	dma_addr_t armcp_info_dma_addr;
-	long result;
-	int rc;
-
-	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));
-
-	pkt.ctl = cpu_to_le32(ARMCP_PACKET_INFO_GET <<
-				ARMCP_PKT_CTL_OPCODE_SHIFT);
-	pkt.addr = cpu_to_le64(armcp_info_dma_addr);
-	pkt.data_max_size = cpu_to_le32(sizeof(struct armcp_info));
-
-	rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
-					HL_ARMCP_INFO_TIMEOUT_USEC, &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));
-
-	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;
-}
-
-int hl_fw_get_eeprom_data(struct hl_device *hdev, void *data, size_t max_size)
-{
-	struct armcp_packet pkt = {};
-	void *eeprom_info_cpu_addr;
-	dma_addr_t eeprom_info_dma_addr;
-	long result;
-	int rc;
-
-	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 ArmCP EEPROM packet\n");
-		return -ENOMEM;
-	}
-
-	memset(eeprom_info_cpu_addr, 0, max_size);
-
-	pkt.ctl = cpu_to_le32(ARMCP_PACKET_EEPROM_DATA_GET <<
-				ARMCP_PKT_CTL_OPCODE_SHIFT);
-	pkt.addr = cpu_to_le64(eeprom_info_dma_addr);
-	pkt.data_max_size = cpu_to_le32(max_size);
-
-	rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
-			HL_ARMCP_EEPROM_TIMEOUT_USEC, &result);
-
-	if (rc) {
-		dev_err(hdev->dev,
-			"Failed to send ArmCP EEPROM packet, 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 void fw_read_errors(struct hl_device *hdev, u32 boot_err0_reg)
-{
-	u32 err_val;
-
-	/* Some of the firmware status codes are deprecated in newer f/w
-	 * versions. In those versions, the errors are reported
-	 * in different registers. Therefore, we need to check those
-	 * registers and print the exact errors. Moreover, there
-	 * may be multiple errors, so we need to report on each error
-	 * separately. Some of the error codes might indicate a state
-	 * that is not an error per-se, but it is an error in production
-	 * environment
-	 */
-	err_val = RREG32(boot_err0_reg);
-	if (!(err_val & CPU_BOOT_ERR0_ENABLED))
-		return;
-
-	if (err_val & CPU_BOOT_ERR0_DRAM_INIT_FAIL)
-		dev_err(hdev->dev,
-			"Device boot error - DRAM initialization failed\n");
-	if (err_val & CPU_BOOT_ERR0_FIT_CORRUPTED)
-		dev_err(hdev->dev, "Device boot error - FIT image corrupted\n");
-	if (err_val & CPU_BOOT_ERR0_TS_INIT_FAIL)
-		dev_err(hdev->dev,
-			"Device boot error - Thermal Sensor initialization failed\n");
-	if (err_val & CPU_BOOT_ERR0_DRAM_SKIPPED)
-		dev_warn(hdev->dev,
-			"Device boot warning - Skipped DRAM initialization\n");
-	if (err_val & CPU_BOOT_ERR0_BMC_WAIT_SKIPPED)
-		dev_warn(hdev->dev,
-			"Device boot error - Skipped waiting for BMC\n");
-	if (err_val & CPU_BOOT_ERR0_NIC_DATA_NOT_RDY)
-		dev_err(hdev->dev,
-			"Device boot error - Serdes data from BMC not available\n");
-	if (err_val & CPU_BOOT_ERR0_NIC_FW_FAIL)
-		dev_err(hdev->dev,
-			"Device boot error - NIC F/W initialization failed\n");
-}
-
-int hl_fw_init_cpu(struct hl_device *hdev, u32 cpu_boot_status_reg,
-			u32 msg_to_cpu_reg, u32 cpu_msg_status_reg,
-			u32 boot_err0_reg, bool skip_bmc,
-			u32 cpu_timeout, u32 boot_fit_timeout)
-{
-	u32 status;
-	int rc;
-
-	dev_info(hdev->dev, "Going to wait for device boot (up to %lds)\n",
-		cpu_timeout / USEC_PER_SEC);
-
-	/* Wait for boot FIT request */
-	rc = hl_poll_timeout(
-		hdev,
-		cpu_boot_status_reg,
-		status,
-		status == CPU_BOOT_STATUS_WAITING_FOR_BOOT_FIT,
-		10000,
-		boot_fit_timeout);
-
-	if (rc) {
-		dev_dbg(hdev->dev,
-			"No boot fit request received, resuming boot\n");
-	} else {
-		rc = hdev->asic_funcs->load_boot_fit_to_device(hdev);
-		if (rc)
-			goto out;
-
-		/* Clear device CPU message status */
-		WREG32(cpu_msg_status_reg, CPU_MSG_CLR);
-
-		/* Signal device CPU that boot loader is ready */
-		WREG32(msg_to_cpu_reg, KMD_MSG_FIT_RDY);
-
-		/* Poll for CPU device ack */
-		rc = hl_poll_timeout(
-			hdev,
-			cpu_msg_status_reg,
-			status,
-			status == CPU_MSG_OK,
-			10000,
-			boot_fit_timeout);
-
-		if (rc) {
-			dev_err(hdev->dev,
-				"Timeout waiting for boot fit load ack\n");
-			goto out;
-		}
-
-		/* Clear message */
-		WREG32(msg_to_cpu_reg, KMD_MSG_NA);
-	}
-
-	/* Make sure CPU boot-loader is running */
-	rc = hl_poll_timeout(
-		hdev,
-		cpu_boot_status_reg,
-		status,
-		(status == CPU_BOOT_STATUS_DRAM_RDY) ||
-		(status == CPU_BOOT_STATUS_NIC_FW_RDY) ||
-		(status == CPU_BOOT_STATUS_READY_TO_BOOT) ||
-		(status == CPU_BOOT_STATUS_SRAM_AVAIL),
-		10000,
-		cpu_timeout);
-
-	/* Read U-Boot, preboot versions now in case we will later fail */
-	hdev->asic_funcs->read_device_fw_version(hdev, FW_COMP_UBOOT);
-	hdev->asic_funcs->read_device_fw_version(hdev, FW_COMP_PREBOOT);
-
-	/* Some of the status codes below are deprecated in newer f/w
-	 * versions but we keep them here for backward compatibility
-	 */
-	if (rc) {
-		switch (status) {
-		case CPU_BOOT_STATUS_NA:
-			dev_err(hdev->dev,
-				"Device boot error - BTL did NOT run\n");
-			break;
-		case CPU_BOOT_STATUS_IN_WFE:
-			dev_err(hdev->dev,
-				"Device boot error - Stuck inside WFE loop\n");
-			break;
-		case CPU_BOOT_STATUS_IN_BTL:
-			dev_err(hdev->dev,
-				"Device boot error - Stuck in BTL\n");
-			break;
-		case CPU_BOOT_STATUS_IN_PREBOOT:
-			dev_err(hdev->dev,
-				"Device boot error - Stuck in Preboot\n");
-			break;
-		case CPU_BOOT_STATUS_IN_SPL:
-			dev_err(hdev->dev,
-				"Device boot error - Stuck in SPL\n");
-			break;
-		case CPU_BOOT_STATUS_IN_UBOOT:
-			dev_err(hdev->dev,
-				"Device boot error - Stuck in u-boot\n");
-			break;
-		case CPU_BOOT_STATUS_DRAM_INIT_FAIL:
-			dev_err(hdev->dev,
-				"Device boot error - DRAM initialization failed\n");
-			break;
-		case CPU_BOOT_STATUS_UBOOT_NOT_READY:
-			dev_err(hdev->dev,
-				"Device boot error - u-boot stopped by user\n");
-			break;
-		case CPU_BOOT_STATUS_TS_INIT_FAIL:
-			dev_err(hdev->dev,
-				"Device boot error - Thermal Sensor initialization failed\n");
-			break;
-		default:
-			dev_err(hdev->dev,
-				"Device boot error - Invalid status code %d\n",
-				status);
-			break;
-		}
-
-		rc = -EIO;
-		goto out;
-	}
-
-	if (!hdev->fw_loading) {
-		dev_info(hdev->dev, "Skip loading FW\n");
-		goto out;
-	}
-
-	if (status == CPU_BOOT_STATUS_SRAM_AVAIL)
-		goto out;
-
-	dev_info(hdev->dev,
-		"Loading firmware to device, may take some time...\n");
-
-	rc = hdev->asic_funcs->load_firmware_to_device(hdev);
-	if (rc)
-		goto out;
-
-	if (skip_bmc) {
-		WREG32(msg_to_cpu_reg, KMD_MSG_SKIP_BMC);
-
-		rc = hl_poll_timeout(
-			hdev,
-			cpu_boot_status_reg,
-			status,
-			(status == CPU_BOOT_STATUS_BMC_WAITING_SKIPPED),
-			10000,
-			cpu_timeout);
-
-		if (rc) {
-			dev_err(hdev->dev,
-				"Failed to get ACK on skipping BMC, %d\n",
-				status);
-			WREG32(msg_to_cpu_reg, KMD_MSG_NA);
-			rc = -EIO;
-			goto out;
-		}
-	}
-
-	WREG32(msg_to_cpu_reg, KMD_MSG_FIT_RDY);
-
-	rc = hl_poll_timeout(
-		hdev,
-		cpu_boot_status_reg,
-		status,
-		(status == CPU_BOOT_STATUS_SRAM_AVAIL),
-		10000,
-		cpu_timeout);
-
-	/* Clear message */
-	WREG32(msg_to_cpu_reg, KMD_MSG_NA);
-
-	if (rc) {
-		if (status == CPU_BOOT_STATUS_FIT_CORRUPTED)
-			dev_err(hdev->dev,
-				"Device reports FIT image is corrupted\n");
-		else
-			dev_err(hdev->dev,
-				"Device failed to load, %d\n", status);
-
-		rc = -EIO;
-		goto out;
-	}
-
-	dev_info(hdev->dev, "Successfully loaded firmware to device\n");
-
-out:
-	fw_read_errors(hdev, boot_err0_reg);
-
-	return rc;
-}