diff options
Diffstat (limited to 'arch/x86/lib/pcat_timer.c')
-rw-r--r-- | arch/x86/lib/pcat_timer.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/arch/x86/lib/pcat_timer.c b/arch/x86/lib/pcat_timer.c deleted file mode 100644 index 3545a5048e..0000000000 --- a/arch/x86/lib/pcat_timer.c +++ /dev/null @@ -1,27 +0,0 @@ -/* - * (C) Copyright 2002 - * Daniel Engström, Omicron Ceti AB, <daniel@omicron.se> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/i8254.h> - -#define TIMER2_VALUE 0x0a8e /* 440Hz */ - -int pcat_timer_init(void) -{ - /* - * initialize 2, used to drive the speaker - * (to start a beep: write 3 to port 0x61, - * to stop it again: write 0) - */ - outb(PIT_CMD_CTR2 | PIT_CMD_BOTH | PIT_CMD_MODE3, - PIT_BASE + PIT_COMMAND); - outb(TIMER2_VALUE & 0xff, PIT_BASE + PIT_T2); - outb(TIMER2_VALUE >> 8, PIT_BASE + PIT_T2); - - return 0; -} |