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| author | Bin Meng <bmeng.cn@gmail.com> | 2015-10-22 19:13:30 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2015-11-13 06:46:18 -0800 |
| commit | da3fe247591e17dead357f05f69124c54aa13a01 (patch) | |
| tree | b508cd98120839f343e77980f4c02f8c5b151e0f /arch/x86/lib/pcat_timer.c | |
| parent | bffeed0158bc5114a9542ff83c716e352841dcfb (diff) | |
| download | u-boot-da3fe247591e17dead357f05f69124c54aa13a01.tar.gz | |
x86: Rename pcat_ to i8254 and i8259 accordingly
Rename pcat_timer.c to i8254.c and pcat_interrupts.c to i8259.c,
to match their header file names (i8254.h and i8259.h).
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/lib/pcat_timer.c')
| -rw-r--r-- | arch/x86/lib/pcat_timer.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/arch/x86/lib/pcat_timer.c b/arch/x86/lib/pcat_timer.c deleted file mode 100644 index 347cdda9f6..0000000000 --- a/arch/x86/lib/pcat_timer.c +++ /dev/null @@ -1,37 +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 TIMER1_VALUE 18 /* 15.6us */ -#define TIMER2_VALUE 0x0a8e /* 440Hz */ - -int pcat_timer_init(void) -{ - /* - * Initialize counter 1, used to refresh request signal. - * This is required for legacy purpose as some codes like - * vgabios utilizes counter 1 to provide delay functionality. - */ - outb(PIT_CMD_CTR1 | PIT_CMD_LOW | PIT_CMD_MODE2, - PIT_BASE + PIT_COMMAND); - outb(TIMER1_VALUE, PIT_BASE + PIT_T1); - - /* - * Initialize counter 2, used to drive the speaker. - * To start a beep, set both bit0 and bit1 of port 0x61. - * To stop it, clear both bit0 and bit1 of port 0x61. - */ - 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; -} |