diff options
| author | Ofir Bitton <obitton@habana.ai> | 2020-11-08 14:10:09 +0300 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2020-11-30 11:47:34 +0300 |
| commit | d611b9f0b199ebfaca78ec4205a889831fdd45cd (patch) | |
| tree | 83c8372670a47300eb04fcfd880bc7dbd34da141 /drivers/misc/habanalabs/include/common/hl_boot_if.h | |
| parent | 7f070c913c361ed79dd29d9256b486b1b105d7f0 (diff) | |
| download | linux-d611b9f0b199ebfaca78ec4205a889831fdd45cd.tar.xz | |
habanalabs: fetch hard reset capability from FW
Driver must fetch FW hard reset capability during boot time,
in order to skip the hard reset flow if necessary.
Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc/habanalabs/include/common/hl_boot_if.h')
| -rw-r--r-- | drivers/misc/habanalabs/include/common/hl_boot_if.h | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/misc/habanalabs/include/common/hl_boot_if.h b/drivers/misc/habanalabs/include/common/hl_boot_if.h index d928ad93cd80..60916780df35 100644 --- a/drivers/misc/habanalabs/include/common/hl_boot_if.h +++ b/drivers/misc/habanalabs/include/common/hl_boot_if.h @@ -84,45 +84,52 @@ * device is indicated as security enabled, * registers are protected, and device * uses keys for image verification. - * Initialized at: preboot + * Initialized in: preboot * * CPU_BOOT_DEV_STS0_DEBUG_EN Debug is enabled. * Enabled when JTAG or DEBUG is enabled * in FW. - * Initialized at: preboot + * Initialized in: preboot * * CPU_BOOT_DEV_STS0_WATCHDOG_EN Watchdog is enabled. * Watchdog is enabled in FW. - * Initialized at: preboot + * Initialized in: preboot * * CPU_BOOT_DEV_STS0_DRAM_INIT_EN DRAM initialization is enabled. * DRAM initialization has been done in FW. - * Initialized at: u-boot + * Initialized in: u-boot * * CPU_BOOT_DEV_STS0_BMC_WAIT_EN Waiting for BMC data enabled. * If set, it means that during boot, * FW waited for BMC data. - * Initialized at: u-boot + * Initialized in: u-boot * * CPU_BOOT_DEV_STS0_E2E_CRED_EN E2E credits initialized. * FW initialized E2E credits. - * Initialized at: u-boot + * Initialized in: u-boot * * CPU_BOOT_DEV_STS0_HBM_CRED_EN HBM credits initialized. * FW initialized HBM credits. - * Initialized at: u-boot + * Initialized in: u-boot * * CPU_BOOT_DEV_STS0_RL_EN Rate limiter initialized. * FW initialized rate limiter. - * Initialized at: u-boot + * Initialized in: u-boot * * CPU_BOOT_DEV_STS0_SRAM_SCR_EN SRAM scrambler enabled. * FW initialized SRAM scrambler. - * Initialized at: linux + * Initialized in: linux * * CPU_BOOT_DEV_STS0_DRAM_SCR_EN DRAM scrambler enabled. * FW initialized DRAM scrambler. - * Initialized at: u-boot + * Initialized in: u-boot + * + * CPU_BOOT_DEV_STS0_FW_HARD_RST_EN FW hard reset procedure is enabled. + * FW has the hard reset procedure + * implemented. This means that FW will + * perform hard reset procedure on + * receiving the halt-machine event. + * Initialized in: linux * * CPU_BOOT_DEV_STS0_ENABLED Device status register enabled. * This is a main indication that the @@ -130,7 +137,7 @@ * register. Meaning the device status * bits are not garbage, but actual * statuses. - * Initialized at: preboot + * Initialized in: preboot */ #define CPU_BOOT_DEV_STS0_SECURITY_EN (1 << 0) #define CPU_BOOT_DEV_STS0_DEBUG_EN (1 << 1) @@ -142,6 +149,7 @@ #define CPU_BOOT_DEV_STS0_RL_EN (1 << 7) #define CPU_BOOT_DEV_STS0_SRAM_SCR_EN (1 << 8) #define CPU_BOOT_DEV_STS0_DRAM_SCR_EN (1 << 9) +#define CPU_BOOT_DEV_STS0_FW_HARD_RST_EN (1 << 10) #define CPU_BOOT_DEV_STS0_ENABLED (1 << 31) enum cpu_boot_status { |