From db53e58d555bff0e8b22dcbb25194e5fcd90e32c Mon Sep 17 00:00:00 2001
From: Raptor Engineering Development Team <support@raptorengineering.com>
Date: Mon, 22 Aug 2022 00:13:43 -0500
Subject: [PATCH] Fix GPIO setup during BMC initialization

This fixes LPC clock start failures from the
clock buffer GPIO not being set to output mode.
---
 kestrel/src/kestrel.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kestrel/src/kestrel.c b/kestrel/src/kestrel.c
index 0ea5e3c..a8e679f 100644
--- a/kestrel/src/kestrel.c
+++ b/kestrel/src/kestrel.c
@@ -447,9 +447,13 @@ static void display_post_code(uint16_t post_code)
 
 static void gpio_init(void)
 {
+    // Disable LPC clock buffer
+    gpio1_out_write(gpio1_out_read() & ~(0x01 << 12));
+    gpio1_oe_write(gpio1_oe_read() | (0x01 << 12));
+
     // Set up discrete LED bank
     set_led_bank_display(0x00);
-    gpio1_oe_write(0xf);
+    gpio1_oe_write(gpio1_oe_read() | 0xf);
 
     // Set up alphanumeric display / power LED
     gpio2_out_write((' ' << 24) | (' ' << 16) | (' ' << 8) | ' ');
-- 
2.30.2