diff options
author | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
commit | 56231056ea784f1cec6450f649b1adaed1f56366 (patch) | |
tree | 7b130d72d854cde2bcd3af8b11bd0f7be3dbff6a /target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c | |
parent | e1184aaa1a7a5e5eeef8e072bf0ea98c291be22a (diff) | |
download | upstream-56231056ea784f1cec6450f649b1adaed1f56366.tar.gz upstream-56231056ea784f1cec6450f649b1adaed1f56366.tar.bz2 upstream-56231056ea784f1cec6450f649b1adaed1f56366.zip |
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
SVN-Revision: 8653
Diffstat (limited to 'target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c')
-rw-r--r-- | target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c b/target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c new file mode 100644 index 0000000000..62120ebc74 --- /dev/null +++ b/target/linux/brcm47xx/files/arch/mips/bcm947xx/time.c @@ -0,0 +1,62 @@ +/* + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * + * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * 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., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/sched.h> +#include <linux/serial_reg.h> +#include <linux/interrupt.h> +#include <linux/ssb/ssb.h> +#include <asm/addrspace.h> +#include <asm/io.h> +#include <asm/time.h> + +extern struct ssb_bus ssb; + +void __init +bcm47xx_time_init(void) +{ + unsigned long hz; + + /* + * Use deterministic values for initial counter interrupt + * so that calibrate delay avoids encountering a counter wrap. + */ + write_c0_count(0); + write_c0_compare(0xffff); + + hz = ssb_cpu_clock(&ssb.mipscore) / 2; + if (!hz) + hz = 100000000; + + /* Set MIPS counter frequency for fixed_rate_gettimeoffset() */ + mips_hpt_frequency = hz; +} + +void __init +plat_timer_setup(struct irqaction *irq) +{ + /* Enable the timer interrupt */ + setup_irq(7, irq); +} |