diff options
| author | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2012-04-27 02:31:28 +0200 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2012-04-27 19:23:16 +0200 |
| commit | ae5e11d7cd7484343d277fb454fb19fdff34730d (patch) | |
| tree | 231aede3dcf80242a4e68e2b4268835f4bf1c5c6 /src/pc80/i8254.c | |
| parent | aee1869fcf6c5eb1616f8c5c5a446c2b2de693e8 (diff) | |
| download | coreboot-ae5e11d7cd7484343d277fb454fb19fdff34730d.tar.xz | |
Move top level pc80 directory to drivers/
There is no reason for this to be a top level directory.
Some stuff from lib/ should also be moved to drivers/
Change-Id: I3c2d2e127f7215eadead029cfc7442c22b26814a
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/939
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/pc80/i8254.c')
| -rw-r--r-- | src/pc80/i8254.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/src/pc80/i8254.c b/src/pc80/i8254.c deleted file mode 100644 index f75216da47..0000000000 --- a/src/pc80/i8254.c +++ /dev/null @@ -1,55 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 coresystems GmbH - * - * 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; version 2 of the License. - * - * 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 St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <arch/io.h> -#include <pc80/i8254.h> -#include <console/console.h> - -/* Initialize i8254 timers */ - -void setup_i8254(void) -{ - /* Timer 0 (taken from biosemu) */ - outb(TIMER0_SEL|WORD_ACCESS|MODE3|BINARY_COUNT, TIMER_MODE_PORT); - outb(0x00, TIMER0_PORT); - outb(0x00, TIMER0_PORT); - - /* Timer 1 */ - outb(TIMER1_SEL|LOBYTE_ACCESS|MODE3|BINARY_COUNT, TIMER_MODE_PORT); - outb(0x12, TIMER1_PORT); -} - -#if defined(CONFIG_UDELAY_TIMER2) && CONFIG_UDELAY_TIMER2 -static void load_timer2(unsigned int ticks) -{ - /* Set up the timer gate, turn off the speaker */ - outb((inb(PPC_PORTB) & ~PPCB_SPKR) | PPCB_T2GATE, PPC_PORTB); - outb(TIMER2_SEL|WORD_ACCESS|MODE0|BINARY_COUNT, TIMER_MODE_PORT); - outb(ticks & 0xFF, TIMER2_PORT); - outb(ticks >> 8, TIMER2_PORT); -} - - -void udelay(int usecs) -{ - load_timer2((usecs*TICKS_PER_MS)/1000); - while ((inb(PPC_PORTB) & PPCB_T2OUT) == 0) - ; -} -#endif |