diff options
Diffstat (limited to 'drivers/misc/habanalabs/include/hl_boot_if.h')
| -rw-r--r-- | drivers/misc/habanalabs/include/hl_boot_if.h | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/drivers/misc/habanalabs/include/hl_boot_if.h b/drivers/misc/habanalabs/include/hl_boot_if.h index f7992a69fd3a..c22d134e73af 100644 --- a/drivers/misc/habanalabs/include/hl_boot_if.h +++ b/drivers/misc/habanalabs/include/hl_boot_if.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 * - * Copyright 2018 HabanaLabs, Ltd. + * Copyright 2018-2020 HabanaLabs, Ltd. * All Rights Reserved. * */ @@ -9,8 +9,47 @@ #define HL_BOOT_IF_H #define LKD_HARD_RESET_MAGIC 0xED7BD694 +#define HL_POWER9_HOST_MAGIC 0x1DA30009 -/* CPU error bits in BOOT_ERROR registers */ +#define BOOT_FIT_SRAM_OFFSET 0x200000 + +/* + * CPU error bits in BOOT_ERROR registers + * + * CPU_BOOT_ERR0_DRAM_INIT_FAIL DRAM initialization failed. + * DRAM is not reliable to use. + * + * CPU_BOOT_ERR0_FIT_CORRUPTED FIT data integrity verification of the + * image provided by the host has failed. + * + * CPU_BOOT_ERR0_TS_INIT_FAIL Thermal Sensor initialization failed. + * Boot continues as usual, but keep in + * mind this is a warning. + * + * CPU_BOOT_ERR0_DRAM_SKIPPED DRAM initialization has been skipped. + * Skipping DRAM initialization has been + * requested (e.g. strap, command, etc.) + * and FW skipped the DRAM initialization. + * Host can initialize the DRAM. + * + * CPU_BOOT_ERR0_BMC_WAIT_SKIPPED Waiting for BMC data will be skipped. + * Meaning the BMC data might not be + * available until reset. + * + * CPU_BOOT_ERR0_NIC_DATA_NOT_RDY NIC data from BMC is not ready. + * BMC has not provided the NIC data yet. + * Once provided this bit will be cleared. + * + * CPU_BOOT_ERR0_NIC_FW_FAIL NIC FW loading failed. + * The NIC FW loading and initialization + * failed. This means NICs are not usable. + * + * CPU_BOOT_ERR0_ENABLED Error registers enabled. + * This is a main indication that the + * running FW populates the error + * registers. Meaning the error bits are + * not garbage, but actual error statuses. + */ #define CPU_BOOT_ERR0_DRAM_INIT_FAIL (1 << 0) #define CPU_BOOT_ERR0_FIT_CORRUPTED (1 << 1) #define CPU_BOOT_ERR0_TS_INIT_FAIL (1 << 2) @@ -27,22 +66,33 @@ enum cpu_boot_status { CPU_BOOT_STATUS_SRAM_AVAIL = 3, CPU_BOOT_STATUS_IN_BTL = 4, /* BTL is H/W FSM */ CPU_BOOT_STATUS_IN_PREBOOT = 5, - CPU_BOOT_STATUS_IN_SPL = 6, + CPU_BOOT_STATUS_IN_SPL, /* deprecated - not reported */ CPU_BOOT_STATUS_IN_UBOOT = 7, CPU_BOOT_STATUS_DRAM_INIT_FAIL, /* deprecated - will be removed */ CPU_BOOT_STATUS_FIT_CORRUPTED, /* deprecated - will be removed */ + /* U-Boot console prompt activated, commands are not processed */ CPU_BOOT_STATUS_UBOOT_NOT_READY = 10, + /* Finished NICs init, reported after DRAM and NICs */ CPU_BOOT_STATUS_NIC_FW_RDY = 11, CPU_BOOT_STATUS_TS_INIT_FAIL, /* deprecated - will be removed */ CPU_BOOT_STATUS_DRAM_SKIPPED, /* deprecated - will be removed */ CPU_BOOT_STATUS_BMC_WAITING_SKIPPED, /* deprecated - will be removed */ + /* Last boot loader progress status, ready to receive commands */ CPU_BOOT_STATUS_READY_TO_BOOT = 15, + CPU_BOOT_STATUS_WAITING_FOR_BOOT_FIT = 16, }; enum kmd_msg { KMD_MSG_NA = 0, KMD_MSG_GOTO_WFE, - KMD_MSG_FIT_RDY + KMD_MSG_FIT_RDY, + KMD_MSG_SKIP_BMC, +}; + +enum cpu_msg_status { + CPU_MSG_CLR = 0, + CPU_MSG_OK, + CPU_MSG_ERR, }; #endif /* HL_BOOT_IF_H */ |