diff options
| author | John Zhao <john.zhao@intel.com> | 2020-05-27 23:11:19 -0700 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2020-05-30 00:42:15 +0000 |
| commit | 23e8b5b4949063319c339120f13e392a90493b58 (patch) | |
| tree | 89a760ede3520fb5ece385e3797784d5cd7b27ae /src/soc | |
| parent | 74b1919f1779a3a3b1a0320482784bb31234b175 (diff) | |
| download | coreboot-23e8b5b4949063319c339120f13e392a90493b58.tar.xz | |
soc/intel/tigerlake: Configure TcssDma0En and TcssDma1En
Determine the TcssDma0 and TcssDma1 enabling based on TBT DMA
controllers setting.
BUG=:b:146624360
TEST=Booted on Volteer and verified TcssDma0 and TcssDma1 enabling.
lspci shows TcssDma0(0d.2) and TcssDma1(0d.3).
Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: I61ac4131481374e9a2a34d1a30f822046c3897fb
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41812
Reviewed-by: Wonkyu Kim <wonkyu.kim@intel.com>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/tigerlake/chip.h | 4 | ||||
| -rw-r--r-- | src/soc/intel/tigerlake/romstage/fsp_params.c | 13 |
2 files changed, 11 insertions, 6 deletions
diff --git a/src/soc/intel/tigerlake/chip.h b/src/soc/intel/tigerlake/chip.h index 5892829ef4..ed09aaa936 100644 --- a/src/soc/intel/tigerlake/chip.h +++ b/src/soc/intel/tigerlake/chip.h @@ -216,10 +216,6 @@ struct soc_intel_tigerlake_config { uint8_t TcssXhciEn; uint8_t TcssXdciEn; - /* TCSS DMA */ - uint8_t TcssDma0En; - uint8_t TcssDma1En; - /* * IOM Port Config * If a port orientation needs to be controlled by the SOC this setting must be diff --git a/src/soc/intel/tigerlake/romstage/fsp_params.c b/src/soc/intel/tigerlake/romstage/fsp_params.c index ede5059a5e..f7956c80be 100644 --- a/src/soc/intel/tigerlake/romstage/fsp_params.c +++ b/src/soc/intel/tigerlake/romstage/fsp_params.c @@ -116,8 +116,17 @@ static void soc_memory_init_params(FSP_M_CONFIG *m_cfg, m_cfg->TcssXdciEn = config->TcssXdciEn; /* TCSS DMA */ - m_cfg->TcssDma0En = config->TcssDma0En; - m_cfg->TcssDma1En = config->TcssDma1En; + dev = pcidev_path_on_root(SA_DEVFN_TCSS_DMA0); + if (dev) + m_cfg->TcssDma0En = dev->enabled; + else + m_cfg->TcssDma0En = 0; + + dev = pcidev_path_on_root(SA_DEVFN_TCSS_DMA1); + if (dev) + m_cfg->TcssDma1En = dev->enabled; + else + m_cfg->TcssDma1En = 0; /* USB4/TBT */ dev = pcidev_path_on_root(SA_DEVFN_TBT0); |