diff options
Diffstat (limited to 'drivers/misc/mei/hw-txe-regs.h')
| -rw-r--r-- | drivers/misc/mei/hw-txe-regs.h | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/drivers/misc/mei/hw-txe-regs.h b/drivers/misc/mei/hw-txe-regs.h new file mode 100644 index 0000000000..a92b306dac --- /dev/null +++ b/drivers/misc/mei/hw-txe-regs.h @@ -0,0 +1,239 @@ +/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ +/* + * Copyright (c) 2013-2014, Intel Corporation. All rights reserved. + * Intel Management Engine Interface (Intel MEI) Linux driver + */ +#ifndef _MEI_HW_TXE_REGS_H_ +#define _MEI_HW_TXE_REGS_H_ + +#include "hw.h" + +#define SEC_ALIVENESS_TIMER_TIMEOUT (5 * MSEC_PER_SEC) +#define SEC_ALIVENESS_WAIT_TIMEOUT (1 * MSEC_PER_SEC) +#define SEC_RESET_WAIT_TIMEOUT (1 * MSEC_PER_SEC) +#define SEC_READY_WAIT_TIMEOUT (5 * MSEC_PER_SEC) +#define START_MESSAGE_RESPONSE_WAIT_TIMEOUT (5 * MSEC_PER_SEC) +#define RESET_CANCEL_WAIT_TIMEOUT (1 * MSEC_PER_SEC) + +enum { + SEC_BAR, + BRIDGE_BAR, + + NUM_OF_MEM_BARS +}; + +/* SeC FW Status Register + * + * FW uses this register in order to report its status to host. + * This register resides in PCI-E config space. + */ +#define PCI_CFG_TXE_FW_STS0 0x40 +# define PCI_CFG_TXE_FW_STS0_WRK_ST_MSK 0x0000000F +# define PCI_CFG_TXE_FW_STS0_OP_ST_MSK 0x000001C0 +# define PCI_CFG_TXE_FW_STS0_FW_INIT_CMPLT 0x00000200 +# define PCI_CFG_TXE_FW_STS0_ERR_CODE_MSK 0x0000F000 +# define PCI_CFG_TXE_FW_STS0_OP_MODE_MSK 0x000F0000 +# define PCI_CFG_TXE_FW_STS0_RST_CNT_MSK 0x00F00000 +#define PCI_CFG_TXE_FW_STS1 0x48 + +#define IPC_BASE_ADDR 0x80400 /* SeC IPC Base Address */ + +/* IPC Input Doorbell Register */ +#define SEC_IPC_INPUT_DOORBELL_REG (0x0000 + IPC_BASE_ADDR) + +/* IPC Input Status Register + * This register indicates whether or not processing of + * the most recent command has been completed by the SEC + * New commands and payloads should not be written by the Host + * until this indicates that the previous command has been processed. + */ +#define SEC_IPC_INPUT_STATUS_REG (0x0008 + IPC_BASE_ADDR) +# define SEC_IPC_INPUT_STATUS_RDY BIT(0) + +/* IPC Host Interrupt Status Register */ +#define SEC_IPC_HOST_INT_STATUS_REG (0x0010 + IPC_BASE_ADDR) +#define SEC_IPC_HOST_INT_STATUS_OUT_DB BIT(0) +#define SEC_IPC_HOST_INT_STATUS_IN_RDY BIT(1) +#define SEC_IPC_HOST_INT_STATUS_HDCP_M0_RCVD BIT(5) +#define SEC_IPC_HOST_INT_STATUS_ILL_MEM_ACCESS BIT(17) +#define SEC_IPC_HOST_INT_STATUS_AES_HKEY_ERR BIT(18) +#define SEC_IPC_HOST_INT_STATUS_DES_HKEY_ERR BIT(19) +#define SEC_IPC_HOST_INT_STATUS_TMRMTB_OVERFLOW BIT(21) + +/* Convenient mask for pending interrupts */ +#define SEC_IPC_HOST_INT_STATUS_PENDING \ + (SEC_IPC_HOST_INT_STATUS_OUT_DB| \ + SEC_IPC_HOST_INT_STATUS_IN_RDY) + +/* IPC Host Interrupt Mask Register */ +#define SEC_IPC_HOST_INT_MASK_REG (0x0014 + IPC_BASE_ADDR) + +# define SEC_IPC_HOST_INT_MASK_OUT_DB BIT(0) /* Output Doorbell Int Mask */ +# define SEC_IPC_HOST_INT_MASK_IN_RDY BIT(1) /* Input Ready Int Mask */ + +/* IPC Input Payload RAM */ +#define SEC_IPC_INPUT_PAYLOAD_REG (0x0100 + IPC_BASE_ADDR) +/* IPC Shared Payload RAM */ +#define IPC_SHARED_PAYLOAD_REG (0x0200 + IPC_BASE_ADDR) + +/* SeC Address Translation Table Entry 2 - Ctrl + * + * This register resides also in SeC's PCI-E Memory space. + */ +#define SATT2_CTRL_REG 0x1040 +# define SATT2_CTRL_VALID_MSK BIT(0) +# define SATT2_CTRL_BR_BASE_ADDR_REG_SHIFT 8 +# define SATT2_CTRL_BRIDGE_HOST_EN_MSK BIT(12) + +/* SATT Table Entry 2 SAP Base Address Register */ +#define SATT2_SAP_BA_REG 0x1044 +/* SATT Table Entry 2 SAP Size Register. */ +#define SATT2_SAP_SIZE_REG 0x1048 + /* SATT Table Entry 2 SAP Bridge Address - LSB Register */ +#define SATT2_BRG_BA_LSB_REG 0x104C + +/* Host High-level Interrupt Status Register */ +#define HHISR_REG 0x2020 +/* Host High-level Interrupt Enable Register + * + * Resides in PCI memory space. This is the top hierarchy for + * interrupts from SeC to host, aggregating both interrupts that + * arrive through HICR registers as well as interrupts + * that arrive via IPC. + */ +#define HHIER_REG 0x2024 +#define IPC_HHIER_SEC BIT(0) +#define IPC_HHIER_BRIDGE BIT(1) +#define IPC_HHIER_MSK (IPC_HHIER_SEC | IPC_HHIER_BRIDGE) + +/* Host High-level Interrupt Mask Register. + * + * Resides in PCI memory space. + * This is the top hierarchy for masking interrupts from SeC to host. + */ +#define HHIMR_REG 0x2028 +#define IPC_HHIMR_SEC BIT(0) +#define IPC_HHIMR_BRIDGE BIT(1) + +/* Host High-level IRQ Status Register */ +#define HHIRQSR_REG 0x202C + +/* Host Interrupt Cause Register 0 - SeC IPC Readiness + * + * This register is both an ICR to Host from PCI Memory Space + * and it is also exposed in the SeC memory space. + * This register is used by SeC's IPC driver in order + * to synchronize with host about IPC interface state. + */ +#define HICR_SEC_IPC_READINESS_REG 0x2040 +#define HICR_SEC_IPC_READINESS_HOST_RDY BIT(0) +#define HICR_SEC_IPC_READINESS_SEC_RDY BIT(1) +#define HICR_SEC_IPC_READINESS_SYS_RDY \ + (HICR_SEC_IPC_READINESS_HOST_RDY | \ + HICR_SEC_IPC_READINESS_SEC_RDY) +#define HICR_SEC_IPC_READINESS_RDY_CLR BIT(2) + +/* Host Interrupt Cause Register 1 - Aliveness Response */ +/* This register is both an ICR to Host from PCI Memory Space + * and it is also exposed in the SeC memory space. + * The register may be used by SeC to ACK a host request for aliveness. + */ +#define HICR_HOST_ALIVENESS_RESP_REG 0x2044 +#define HICR_HOST_ALIVENESS_RESP_ACK BIT(0) + +/* Host Interrupt Cause Register 2 - SeC IPC Output Doorbell */ +#define HICR_SEC_IPC_OUTPUT_DOORBELL_REG 0x2048 + +/* Host Interrupt Status Register. + * + * Resides in PCI memory space. + * This is the main register involved in generating interrupts + * from SeC to host via HICRs. + * The interrupt generation rules are as follows: + * An interrupt will be generated whenever for any i, + * there is a transition from a state where at least one of + * the following conditions did not hold, to a state where + * ALL the following conditions hold: + * A) HISR.INT[i]_STS == 1. + * B) HIER.INT[i]_EN == 1. + */ +#define HISR_REG 0x2060 +#define HISR_INT_0_STS BIT(0) +#define HISR_INT_1_STS BIT(1) +#define HISR_INT_2_STS BIT(2) +#define HISR_INT_3_STS BIT(3) +#define HISR_INT_4_STS BIT(4) +#define HISR_INT_5_STS BIT(5) +#define HISR_INT_6_STS BIT(6) +#define HISR_INT_7_STS BIT(7) +#define HISR_INT_STS_MSK \ + (HISR_INT_0_STS | HISR_INT_1_STS | HISR_INT_2_STS) + +/* Host Interrupt Enable Register. Resides in PCI memory space. */ +#define HIER_REG 0x2064 +#define HIER_INT_0_EN BIT(0) +#define HIER_INT_1_EN BIT(1) +#define HIER_INT_2_EN BIT(2) +#define HIER_INT_3_EN BIT(3) +#define HIER_INT_4_EN BIT(4) +#define HIER_INT_5_EN BIT(5) +#define HIER_INT_6_EN BIT(6) +#define HIER_INT_7_EN BIT(7) + +#define HIER_INT_EN_MSK \ + (HIER_INT_0_EN | HIER_INT_1_EN | HIER_INT_2_EN) + + +/* SEC Memory Space IPC output payload. + * + * This register is part of the output payload which SEC provides to host. + */ +#define BRIDGE_IPC_OUTPUT_PAYLOAD_REG 0x20C0 + +/* SeC Interrupt Cause Register - Host Aliveness Request + * This register is both an ICR to SeC and it is also exposed + * in the host-visible PCI memory space. + * The register is used by host to request SeC aliveness. + */ +#define SICR_HOST_ALIVENESS_REQ_REG 0x214C +#define SICR_HOST_ALIVENESS_REQ_REQUESTED BIT(0) + + +/* SeC Interrupt Cause Register - Host IPC Readiness + * + * This register is both an ICR to SeC and it is also exposed + * in the host-visible PCI memory space. + * This register is used by the host's SeC driver uses in order + * to synchronize with SeC about IPC interface state. + */ +#define SICR_HOST_IPC_READINESS_REQ_REG 0x2150 + + +#define SICR_HOST_IPC_READINESS_HOST_RDY BIT(0) +#define SICR_HOST_IPC_READINESS_SEC_RDY BIT(1) +#define SICR_HOST_IPC_READINESS_SYS_RDY \ + (SICR_HOST_IPC_READINESS_HOST_RDY | \ + SICR_HOST_IPC_READINESS_SEC_RDY) +#define SICR_HOST_IPC_READINESS_RDY_CLR BIT(2) + +/* SeC Interrupt Cause Register - SeC IPC Output Status + * + * This register indicates whether or not processing of the most recent + * command has been completed by the Host. + * New commands and payloads should not be written by SeC until this + * register indicates that the previous command has been processed. + */ +#define SICR_SEC_IPC_OUTPUT_STATUS_REG 0x2154 +# define SEC_IPC_OUTPUT_STATUS_RDY BIT(0) + + + +/* MEI IPC Message payload size 64 bytes */ +#define PAYLOAD_SIZE 64 + +/* MAX size for SATT range 32MB */ +#define SATT_RANGE_MAX (32 << 20) + + +#endif /* _MEI_HW_TXE_REGS_H_ */ + |