diff options
| author | Subrata Banik <subratabanik@google.com> | 2022-12-08 15:31:30 +0530 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2022-12-10 08:02:26 +0000 |
| commit | 49204e30f390737724ee8fc3f57dfb4dc4a5bcbc (patch) | |
| tree | c05e6934a41e7c3eed412c81445c8358b469bf11 /src/soc/intel/tigerlake/include | |
| parent | 650de582207c63c3592bdb3867557e5c968974ba (diff) | |
soc/intel/tigerlake: Move TCSS FW latency macros to tcss.h
This patch moves TCSS firmware latency related macros from
`tcss_pcierp.asl` to SoC specific `tcss.h`.
TEST=Able to build and boot Google/Volteer.
Change-Id: I96416f3b68d853c9a5a44c499719f154aa15f0ca
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70486
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/tigerlake/include')
| -rw-r--r-- | src/soc/intel/tigerlake/include/soc/tcss.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/soc/intel/tigerlake/include/soc/tcss.h b/src/soc/intel/tigerlake/include/soc/tcss.h index 014e3076e6..05baf5d534 100644 --- a/src/soc/intel/tigerlake/include/soc/tcss.h +++ b/src/soc/intel/tigerlake/include/soc/tcss.h @@ -13,4 +13,24 @@ #define IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET_0 0x1088 #define IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET(x) (IOM_AUX_BIAS_CTRL_PULLDOWN_OFFSET_0 + (x) * 4) +/* + * The PCI-SIG engineering change requirement provides the ACPI additions for firmware latency + * optimization. Both of FW_RESET_TIME and FW_D3HOT_TO_D0_TIME are applicable to the upstream + * port of the USB4/TBT topology. + */ +/* Number of microseconds to wait after a conventional reset */ +#define FW_RESET_TIME 50000 + +/* Number of microseconds to wait after data link layer active report */ +#define FW_DL_UP_TIME 1 + +/* Number of microseconds to wait after a function level reset */ +#define FW_FLR_RESET_TIME 1 + +/* Number of microseconds to wait from D3 hot to D0 transition */ +#define FW_D3HOT_TO_D0_TIME 50000 + +/* Number of microseconds to wait after setting the VF enable bit */ +#define FW_VF_ENABLE_TIME 1 + #endif /* _SOC_TCSS_H_ */ |