diff options
| author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2018-12-26 19:33:28 +0200 |
|---|---|---|
| committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2018-12-30 21:33:26 +0000 |
| commit | 3521e260e3477b3c49835eb2330671e0bc7abe65 (patch) | |
| tree | 6b58e7e6268866396c3dd6932bf03e63319770c0 /src/include/device | |
| parent | fb25f9fa05751163fef2a4dabea03f07f91fdbb0 (diff) | |
device/pci_early: Fixes for __SIMPLE_DEVICE__
The feature is used to enable PCI MMIO accesses behind
PCIe links (or bridges) before PCI enumeration has been
completed.
Add the feature for bootblock, verstage and postcar, it
is required with add-on PCIe serial cards for early
console output. It's up to the board specific code to
configure PCIe root port prior to calling console_init()
for this to work.
Remove feature from ramstage, it bypasses any resource
allocations and bus number assignments.
For the moment PCI configuration support before ramstage
is available only on ARCH_X86.
Also switch from device_t to pci_devfn_t.
Change-Id: I08acec68b6f17f4d73d30039cc41274492ea4f45
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/30496
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Diffstat (limited to 'src/include/device')
| -rw-r--r-- | src/include/device/pci.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/include/device/pci.h b/src/include/device/pci.h index f1ab91bbc7..7cf7e0695e 100644 --- a/src/include/device/pci.h +++ b/src/include/device/pci.h @@ -145,6 +145,8 @@ unsigned int pci_find_capability(struct device *dev, unsigned int cap); #endif /* __SIMPLE_DEVICE__ */ void pci_early_bridge_init(void); +void pci_early_mmio_window(pci_devfn_t p2p_bridge, u32 mmio_base, + u32 mmio_size); int pci_early_device_probe(u8 bus, u8 dev, u32 mmio_base); #ifndef __ROMCC__ |