From 96ae5e84e3d49221f14fcb6a59ab74c9e90a381b Mon Sep 17 00:00:00 2001
From: SarahW <SarahW@localhost>
Date: Sun, 29 Jan 2017 20:49:04 +0000
Subject: [PATCH] Intel Turbo Reset Control register needs to reset keyboard
 controller on hard reset. Fixes infinite memory count on reset on Advanced/EV
 and Premiere/PCI.

---
 src/i430fx.c | 6 +++---
 src/i430lx.c | 3 +++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/i430fx.c b/src/i430fx.c
index 1abe254..c5936fe 100644
--- a/src/i430fx.c
+++ b/src/i430fx.c
@@ -99,9 +99,6 @@ uint8_t i430fx_read(int func, int addr, void *priv)
         return card_i430fx[addr];
 }
 
-/*The Turbo-Reset Control Register isn't listed in the i430FX datasheet, however
-  the Advanced/EV BIOS seems to assume it exists. It aliases with one of the PCI
-  registers.*/ 
 static uint8_t trc = 0;
 
 void i430fx_trc_write(uint16_t port, uint8_t val, void *p)
@@ -109,7 +106,10 @@ void i430fx_trc_write(uint16_t port, uint8_t val, void *p)
         if ((val & 4) && !(trc & 4))
         {
                 if (val & 2) /*Hard reset*/
+                {
                         i430fx_write(0, 0x59, 0xf, NULL); /*Should reset all PCI devices, but just set PAM0 to point to ROM for now*/
+                        keyboard_at_reset(); /*Reset keyboard controller to reset system flag*/
+                }
                 resetx86();
         }
                 
diff --git a/src/i430lx.c b/src/i430lx.c
index ec82583..3cfbc22 100644
--- a/src/i430lx.c
+++ b/src/i430lx.c
@@ -111,7 +111,10 @@ void i430lx_trc_write(uint16_t port, uint8_t val, void *p)
         if ((val & 4) && !(trc & 4))
         {
                 if (val & 2) /*Hard reset*/
+                {
                         i430lx_write(0, 0x59, 0xf, NULL); /*Should reset all PCI devices, but just set PAM0 to point to ROM for now*/
+                        keyboard_at_reset(); /*Reset keyboard controller to reset system flag*/
+                }
                 resetx86();
         }