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| author | Tom Rini <trini@konsulko.com> | 2019-12-18 07:20:19 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2019-12-18 07:20:19 -0500 |
| commit | c0912f9bbfb26dd03d189953678691b799d35b6e (patch) | |
| tree | f879600cd26b8d4678a174854b623941e5dc2ada /drivers/core/util.c | |
| parent | 533c9f5714bdba79dc6f2629284d4c1a08a611d1 (diff) | |
| parent | a1d6dc3f84071f05574044f337dbdca70fae495d (diff) | |
Merge branch 'next' of https://gitlab.denx.de/u-boot/custodians/u-boot-x86 into next
- Various x86 common codes updated for TPL/SPL
- I2C designware driver updated for PCI
- ICH SPI driver updated to support Apollo Lake
- Add Intel FSP2 base support
- Intel Apollo Lake platform specific drivers support
- Add a new board Google Chromebook Coral
Diffstat (limited to 'drivers/core/util.c')
| -rw-r--r-- | drivers/core/util.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/core/util.c b/drivers/core/util.c index 7dc1a2af028..69f83755f05 100644 --- a/drivers/core/util.c +++ b/drivers/core/util.c @@ -4,7 +4,9 @@ */ #include <common.h> +#include <dm/device.h> #include <dm/ofnode.h> +#include <dm/read.h> #include <dm/util.h> #include <linux/libfdt.h> #include <vsprintf.h> @@ -58,3 +60,21 @@ bool dm_ofnode_pre_reloc(ofnode node) #endif } #endif + +#if !CONFIG_IS_ENABLED(OF_PLATDATA) +int pci_get_devfn(struct udevice *dev) +{ + struct fdt_pci_addr addr; + int ret; + + /* Extract the devfn from fdt_pci_addr */ + ret = ofnode_read_pci_addr(dev_ofnode(dev), FDT_PCI_SPACE_CONFIG, + "reg", &addr); + if (ret) { + if (ret != -ENOENT) + return -EINVAL; + } + + return addr.phys_hi & 0xff00; +} +#endif |