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authorFelix Held <felix.held@amd.corp-partner.google.com>2020-05-27 23:25:38 +0200
committerFelix Held <felix-coreboot@felixheld.de>2020-05-28 23:18:22 +0000
commit3c93b7e166bb2bcaf1bf17754194604452628c28 (patch)
tree73468ee70af5ba7c37d3400a967f73864033d580 /src/soc
parent94c2f76616f5c3da5370e770614aef3a4df51826 (diff)
soc/amd/picasso/soc_util: add comment on socket detection problems
At least some Pollock engineering samples return FP5 socket type while they are in fact FT5 socket type. Change-Id: I06a19c19374532bfb367fc15c734707d8c7f65a3 Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Reviewed-on: https://review.coreboot.org/c/coreboot/+/41796 Reviewed-by: Raul Rangel <rrangel@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc')
-rw-r--r--src/soc/amd/picasso/soc_util.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/soc_util.c b/src/soc/amd/picasso/soc_util.c
index 2d10cff6a1..2aa9daa2bc 100644
--- a/src/soc/amd/picasso/soc_util.c
+++ b/src/soc/amd/picasso/soc_util.c
@@ -12,6 +12,7 @@
#define SOCKET_TYPE_SHIFT 28
#define SOCKET_TYPSE_MASK (0xf << SOCKET_TYPE_SHIFT)
+/* some Pollock engineering samples return the wrong socket type */
enum socket_type get_socket_type(void)
{
uint32_t ebx = cpuid_ebx(0x80000001);
@@ -132,6 +133,7 @@ enum silicon_type get_silicon_type(void)
return SILICON_UNKNOWN;
}
+/* some Pollock engineering samples return the wrong socket type and get detected as Dali */
enum soc_type get_soc_type(void)
{
switch (get_socket_type()) {