diff options
| author | Karthikeyan Ramasubramanian <kramasub@google.com> | 2020-07-24 15:57:50 -0600 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-07-27 05:11:50 +0000 |
| commit | f8712786753b9859e1ea9182ba49ed42c9a355cf (patch) | |
| tree | 000236e146a352366c269ec6ed937751b3265216 /src/soc | |
| parent | ff1c5bec03cd2fe442ead488c62643ae38952037 (diff) | |
soc/intel/jasperlake: Invoke PCIe root port swapping
Invoke PCIe root port devicetree update to swap the enabled root port
devices with the disabled devices.
BUG=b:162046161
TEST=Ensure that the PCIe device 1c.7 corresponding to Root port 8 is
swapped with the PCIe device 1c.0 corresponding to Root port 1.
Change-Id: I7d422014a2f5cafc41296ce0a2c116c82aefb0d7
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43835
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/jasperlake/chip.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/intel/jasperlake/chip.c b/src/soc/intel/jasperlake/chip.c index 044045196b..36e0175c2b 100644 --- a/src/soc/intel/jasperlake/chip.c +++ b/src/soc/intel/jasperlake/chip.c @@ -7,6 +7,7 @@ #include <intelblocks/acpi.h> #include <intelblocks/cfg.h> #include <intelblocks/itss.h> +#include <intelblocks/pcie_rp.h> #include <intelblocks/xdci.h> #include <romstage_handoff.h> #include <soc/intel/common/vbt.h> @@ -15,6 +16,11 @@ #include <soc/ramstage.h> #include <soc/soc_chip.h> +static const struct pcie_rp_group pch_rp_groups[] = { + { .slot = PCH_DEV_SLOT_PCIE, .count = 8 }, + { 0 } +}; + #if CONFIG(HAVE_ACPI_TABLES) const char *soc_acpi_name(const struct device *dev) { @@ -132,6 +138,9 @@ void soc_init_pre_device(void *chip_info) itss_restore_irq_polarities(GPIO_IRQ_START, GPIO_IRQ_END); soc_fill_gpio_pm_configuration(); + + /* swap enabled PCI ports in device tree if needed */ + pcie_rp_update_devicetree(pch_rp_groups); } static struct device_operations pci_domain_ops = { |