diff options
| author | Subrata Banik <subratabanik@google.com> | 2023-06-30 22:47:34 -0700 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2023-07-02 22:31:41 +0000 |
| commit | d44e08ad9f183f0ed92fb35ed52e92baf5022f37 (patch) | |
| tree | 062a72bf133e8c76a3c4585a1eaa7d1bf496ac3c /src/mainboard/google/rex/variants | |
| parent | 9d8baea15cbbda7376b82909493f3f96c1f49089 (diff) | |
mb/google/rex/var/ovis: Enable LAN0
This patch performs below operations to enable LAN0.
- Complete the LAN PEREST power sequencing
- Program the SRC_CLKREQ (GPP_D20) with correctly.
- Add overridetree.cb entry to configure the LAN0 device.
BUG=b:289395519
TEST=Able to boot google/ovis with LAN0 being enabled.
Change-Id: I91b0a76395ade4459cf8705c333728a71f95df14
Signed-off-by: Subrata Banik <subratabanik@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/76213
Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/mainboard/google/rex/variants')
| -rw-r--r-- | src/mainboard/google/rex/variants/ovis/gpio.c | 9 | ||||
| -rw-r--r-- | src/mainboard/google/rex/variants/ovis/overridetree.cb | 9 |
2 files changed, 15 insertions, 3 deletions
diff --git a/src/mainboard/google/rex/variants/ovis/gpio.c b/src/mainboard/google/rex/variants/ovis/gpio.c index 6c1794d4a7..b86307f075 100644 --- a/src/mainboard/google/rex/variants/ovis/gpio.c +++ b/src/mainboard/google/rex/variants/ovis/gpio.c @@ -188,8 +188,8 @@ static const struct pad_config gpio_table[] = { PAD_CFG_GPI_APIC_LOCK(GPP_D18, NONE, LEVEL, INVERT, LOCK_CONFIG), /* GPP_D19 : [] ==> SSD_CLKREQ_ODL */ PAD_CFG_NF(GPP_D19, NONE, DEEP, NF1), - /* GPP_D20 : [] ==> EN_LAN_RAILS */ - PAD_NC(GPP_D20, NONE), + /* GPP_D20 : [] ==> LAN_CLKREQ_ODL */ + PAD_CFG_NF(GPP_D20, NONE, DEEP, NF1), /* GPP_D21 : [] ==> WLAN_CLKREQ_ODL */ PAD_CFG_NF(GPP_D21, NONE, DEEP, NF2), /* GPP_D22 : [] ==> NC */ @@ -398,6 +398,9 @@ static const struct pad_config early_gpio_table[] = { /* GPP_A20 : [] ==> SSD_PERST_L */ PAD_CFG_GPO(GPP_A20, 0, DEEP), + /* GPP_C13 : [] ==> LAN_PERST_L */ + PAD_CFG_GPO(GPP_C13, 0, DEEP), + /* GPP_H10 : [] ==> SOC_WP_OD */ PAD_CFG_GPI_GPIO_DRIVER_LOCK(GPP_H10, NONE, LOCK_CONFIG), @@ -406,6 +409,8 @@ static const struct pad_config early_gpio_table[] = { }; static const struct pad_config romstage_gpio_table[] = { + /* GPP_C13 : [] ==> LAN_PERST_L */ + PAD_CFG_GPO(GPP_C13, 0, DEEP), /* A20 : [] ==> SSD_PERST_L */ PAD_CFG_GPO(GPP_A20, 0, DEEP), /* GPP_D02 : [] ==> SD_PERST_L */ diff --git a/src/mainboard/google/rex/variants/ovis/overridetree.cb b/src/mainboard/google/rex/variants/ovis/overridetree.cb index 259aaf5c2e..112072cb97 100644 --- a/src/mainboard/google/rex/variants/ovis/overridetree.cb +++ b/src/mainboard/google/rex/variants/ovis/overridetree.cb @@ -63,7 +63,14 @@ chip soc/intel/meteorlake .flags = PCIE_RP_LTR | PCIE_RP_AER, }" end #PCIE7 LAN1 card - + device ref pcie_rp10 on + # Enable LAN0 Card PCIE 10 using clk 8 + register "pcie_rp[PCH_RP(10)]" = "{ + .clk_src = 8, + .clk_req = 8, + .flags = PCIE_RP_LTR | PCIE_RP_AER, + }" + end #PCIE10 LAN0 card device ref pcie_rp11 on # Enable SSD Card PCIE 11 using clk 7 register "pcie_rp[PCH_RP(11)]" = "{ |