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Diffstat (limited to 'src/soc/amd/stoneyridge/bootblock/bootblock.c')
-rw-r--r--src/soc/amd/stoneyridge/bootblock/bootblock.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/soc/amd/stoneyridge/bootblock/bootblock.c b/src/soc/amd/stoneyridge/bootblock/bootblock.c
index c2440b0eb1..479e0fc9f2 100644
--- a/src/soc/amd/stoneyridge/bootblock/bootblock.c
+++ b/src/soc/amd/stoneyridge/bootblock/bootblock.c
@@ -93,6 +93,15 @@ asmlinkage void bootblock_c_entry(uint64_t base_timestamp)
void bootblock_soc_early_init(void)
{
+ /*
+ * This call (sb_reset_i2c_slaves) was originally early at
+ * bootblock_c_entry, but had to be moved here. There was an
+ * unexplained delay in the middle of the i2c transaction when
+ * we had it in bootblock_c_entry. Moving it to this point
+ * (or adding delays) fixes the issue. It seems like the processor
+ * just pauses but we don't know why.
+ */
+ sb_reset_i2c_slaves();
bootblock_fch_early_init();
post_code(0x90);
}