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authorArthur Heymans <arthur@aheymans.xyz>2020-11-12 17:33:00 +0100
committerArthur Heymans <arthur@aheymans.xyz>2020-11-13 19:27:33 +0000
commit6408ada4a20ca2811de8a158d0579b421f56d8fe (patch)
tree81180c1c040aae6dae89c98f76f122f6754f67b8 /src/soc/intel/xeon_sp/util.c
parent165893b67be4a116a96b242bf4ee5370ec707b43 (diff)
downloadcoreboot-6408ada4a20ca2811de8a158d0579b421f56d8fe.tar.xz
soc/intel/xeon_sp: move get_iiostack_info() to a common place
All this function does is looping over IIO stacks in the FSP HOB. The only 'SOC/FSP specific' thing is the way to detect if the stack is an IIO stack so add a callback to determine this. Change-Id: I4fa9c54d50279213a4174186a23c3cc156e21c9a Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/c/coreboot/+/47522 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Marc Jones <marc@marcjonesconsulting.com>
Diffstat (limited to 'src/soc/intel/xeon_sp/util.c')
-rw-r--r--src/soc/intel/xeon_sp/util.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/soc/intel/xeon_sp/util.c b/src/soc/intel/xeon_sp/util.c
index 310421566c..b4f7eaab3c 100644
--- a/src/soc/intel/xeon_sp/util.c
+++ b/src/soc/intel/xeon_sp/util.c
@@ -119,6 +119,23 @@ const IIO_UDS *get_iio_uds(void)
return hob;
}
+void get_iiostack_info(struct iiostack_resource *info)
+{
+ const IIO_UDS *hob = get_iio_uds();
+
+ // copy IIO Stack info from FSP HOB
+ info->no_of_stacks = 0;
+ for (int s = 0; s < hob->PlatformData.numofIIO; ++s) {
+ for (int x = 0; x < MAX_IIO_STACK; ++x) {
+ const STACK_RES *ri = &hob->PlatformData.IIO_resource[s].StackRes[x];
+ if (!is_iio_stack_res(ri))
+ continue;
+ assert(info->no_of_stacks < (CONFIG_MAX_SOCKET * MAX_IIO_STACK));
+ memcpy(&info->res[info->no_of_stacks++], ri, sizeof(STACK_RES));
+ }
+ }
+}
+
unsigned int soc_get_num_cpus(void)
{
/* The FSP IIO UDS HOB has field numCpus, it is actually socket count */