diff options
| author | Shuo Liu <shuo.liu@intel.com> | 2024-03-12 00:34:47 +0800 |
|---|---|---|
| committer | Lean Sheng Tan <sheng.tan@9elements.com> | 2024-03-14 18:59:51 +0000 |
| commit | 091fb05312d8961f77893494d6d981e2a977710d (patch) | |
| tree | c01803922a4fcf946c79fa6c29e47a92d130c1c2 | |
| parent | e0c935b0dc8d029c987127ad6edf71a4f987d065 (diff) | |
soc/intel/xeon_sp: Add utils to detect domain0 and stack0
In Xeon-SP, the domain0, which is located at stack0, usually needs
special handling due to the compatible devices on it (HEPT, IO-APIC
and legacy IOs). This patch adds util function detect whether a
give domain or stack is with such a role.
TEST=intel/archercity CRB
Change-Id: I2f26b4ac54091c24c554f17964502c364288aa40
Signed-off-by: Shuo Liu <shuo.liu@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81199
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
| -rw-r--r-- | src/soc/intel/xeon_sp/chip_common.c | 2 | ||||
| -rw-r--r-- | src/soc/intel/xeon_sp/include/soc/chip_common.h | 5 |
2 files changed, 6 insertions, 1 deletions
diff --git a/src/soc/intel/xeon_sp/chip_common.c b/src/soc/intel/xeon_sp/chip_common.c index d0e01bc7cf..ef504d7f0a 100644 --- a/src/soc/intel/xeon_sp/chip_common.c +++ b/src/soc/intel/xeon_sp/chip_common.c @@ -199,7 +199,7 @@ void iio_pci_domain_read_resources(struct device *dev) int index = 0; - if (dev->path.domain.domain == 0) { + if (is_domain0(dev)) { /* The 0 - 0xfff IO range is not reported by the HOB but still gets decoded */ res = new_resource(dev, index++); res->base = 0; diff --git a/src/soc/intel/xeon_sp/include/soc/chip_common.h b/src/soc/intel/xeon_sp/include/soc/chip_common.h index 40c7ffa377..53deffa7f4 100644 --- a/src/soc/intel/xeon_sp/include/soc/chip_common.h +++ b/src/soc/intel/xeon_sp/include/soc/chip_common.h @@ -77,4 +77,9 @@ bool is_cxl_domain(struct device *dev); #define is_dev_on_ubox_domain(dev) is_ubox_domain(dev_get_pci_domain(dev)) #define is_dev_on_cxl_domain(dev) is_cxl_domain(dev_get_pci_domain(dev)) +#define is_domain0(dev) (dev && dev->path.type == DEVICE_PATH_DOMAIN &&\ + dev->path.domain.domain == 0) +#define is_dev_on_domain0(dev) (is_domain0(dev_get_pci_domain(dev))) +#define is_stack0(socket, stack) (socket == 0 && stack == IioStack0) + #endif /* _CHIP_COMMON_H_ */ |