diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2000-10-09 00:36:07 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2000-10-09 00:36:07 +0000 |
commit | 1a743e4f5e92fac7d7a2ce9a58e7223d757fdf81 (patch) | |
tree | 882ab65737b0a4edfcc45c04d764257ec115b8f2 /arch/mips/mips-boards/malta/malta_rtc.c | |
parent | b4b017ab8e9c41991c8d550b72ca3e9c8616eeed (diff) |
Support for MIPS Atlas and Malta evaluation boards. Chainsaw edition;
doesn't compile because it smokes ld ...
Diffstat (limited to 'arch/mips/mips-boards/malta/malta_rtc.c')
-rw-r--r-- | arch/mips/mips-boards/malta/malta_rtc.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/mips/mips-boards/malta/malta_rtc.c b/arch/mips/mips-boards/malta/malta_rtc.c new file mode 100644 index 000000000..9c23bf38a --- /dev/null +++ b/arch/mips/mips-boards/malta/malta_rtc.c @@ -0,0 +1,50 @@ +/* + * Carsten Langgaard, carstenl@mips.com + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + * + * RTC routines for Malta style attached PIIX4 device, which contains a + * Motorola MC146818A-compatible Real Time Clock. + * + */ +#include <linux/mc146818rtc.h> +#include <asm/mips-boards/malta.h> + +static unsigned char malta_rtc_read_data(unsigned long addr) +{ + outb(addr, MALTA_RTC_ADR_REG); + return inb(MALTA_RTC_DAT_REG); +} + +static void malta_rtc_write_data(unsigned char data, unsigned long addr) +{ + outb(addr, MALTA_RTC_ADR_REG); + outb(data, MALTA_RTC_DAT_REG); +} + +static int malta_rtc_bcd_mode(void) +{ + return 0; +} + +struct rtc_ops malta_rtc_ops = { + &malta_rtc_read_data, + &malta_rtc_write_data, + &malta_rtc_bcd_mode +}; |