1 files changed, 0 insertions, 70 deletions
diff --git a/qemu/roms/ipxe/src/arch/x86/core/pit8254.c b/qemu/roms/ipxe/src/arch/x86/core/pit8254.c
deleted file mode 100644
index da2099263..000000000
--- a/qemu/roms/ipxe/src/arch/x86/core/pit8254.c
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2015 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
-FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
-#include <assert.h>
-#include <ipxe/io.h>
-#include <ipxe/pit8254.h>
-
-/** @file
- *
- * 8254 Programmable Interval Timer
- *
- */
-
-/**
- * Delay for a fixed number of timer ticks using the speaker channel
- *
- * @v ticks		Number of timer ticks for which to delay
- */
-void pit8254_speaker_delay ( unsigned int ticks ) {
-	uint8_t spkr;
-	uint8_t cmd;
-	uint8_t low;
-	uint8_t high;
-
-	/* Sanity check */
-	assert ( ticks <= 0xffff );
-
-	/* Disable speaker, set speaker channel gate input high */
-	spkr = inb ( PIT8254_SPKR );
-	spkr &= ~PIT8254_SPKR_ENABLE;
-	spkr |= PIT8254_SPKR_GATE;
-	outb ( spkr, PIT8254_SPKR );
-
-	/* Program speaker channel to "interrupt" on terminal count */
-	cmd = ( PIT8254_CMD_CHANNEL ( PIT8254_CH_SPKR ) |
-		PIT8254_CMD_ACCESS_LOHI | PIT8254_CMD_OP_TERMINAL |
-		PIT8254_CMD_BINARY );
-	low = ( ( ticks >> 0 ) & 0xff );
-	high = ( ( ticks >> 8 ) & 0xff );
-	outb ( cmd, PIT8254_CMD );
-	outb ( low, PIT8254_DATA ( PIT8254_CH_SPKR ) );
-	outb ( high, PIT8254_DATA ( PIT8254_CH_SPKR ) );
-
-	/* Wait for channel to "interrupt" */
-	do {
-		spkr = inb ( PIT8254_SPKR );
-	} while ( ! ( spkr & PIT8254_SPKR_OUT ) );
-}