diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2012-12-15 14:52:10 +0400 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2013-02-01 13:00:22 +0400 |
commit | 0f3a05cb43e731b8cf861dee30e7e4bddd6c5ccc (patch) | |
tree | e19550e56ab9cf95a99d6aa31502099950cdbce3 /arch/mips/pmc-sierra/msp71xx/msp_time.c | |
parent | 7034228792cc561e79ff8600f02884bd4c80e287 (diff) | |
download | linux-0f3a05cb43e731b8cf861dee30e7e4bddd6c5ccc.tar.xz |
MIPS: MSP71xx: Move code.
Now that Yosemite's gone we can move the MSP71xx code one level up.
Shane McDonald <mcdonald.shane@gmail.com>'s
https://patchwork.linux-mips.org/patch/4736/ has been folded into this
patch.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/pmc-sierra/msp71xx/msp_time.c')
-rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_time.c | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_time.c b/arch/mips/pmc-sierra/msp71xx/msp_time.c deleted file mode 100644 index 8f12ecc55ace..000000000000 --- a/arch/mips/pmc-sierra/msp71xx/msp_time.c +++ /dev/null @@ -1,101 +0,0 @@ -/* - * Setting up the clock on MSP SOCs. No RTC typically. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 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. - * - * ######################################################################## - */ - -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/module.h> -#include <linux/ptrace.h> - -#include <asm/cevt-r4k.h> -#include <asm/mipsregs.h> -#include <asm/time.h> - -#include <msp_prom.h> -#include <msp_int.h> -#include <msp_regs.h> - -#define get_current_vpe() \ - ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE) - -static struct irqaction timer_vpe1; -static int tim_installed; - -void __init plat_time_init(void) -{ - char *endp, *s; - unsigned long cpu_rate = 0; - - if (cpu_rate == 0) { - s = prom_getenv("clkfreqhz"); - cpu_rate = simple_strtoul(s, &endp, 10); - if (endp != NULL && *endp != 0) { - printk(KERN_ERR - "Clock rate in Hz parse error: %s\n", s); - cpu_rate = 0; - } - } - - if (cpu_rate == 0) { - s = prom_getenv("clkfreq"); - cpu_rate = 1000 * simple_strtoul(s, &endp, 10); - if (endp != NULL && *endp != 0) { - printk(KERN_ERR - "Clock rate in MHz parse error: %s\n", s); - cpu_rate = 0; - } - } - - if (cpu_rate == 0) { -#if defined(CONFIG_PMC_MSP7120_EVAL) \ - || defined(CONFIG_PMC_MSP7120_GW) - cpu_rate = 400000000; -#elif defined(CONFIG_PMC_MSP7120_FPGA) - cpu_rate = 25000000; -#else - cpu_rate = 150000000; -#endif - printk(KERN_ERR - "Failed to determine CPU clock rate, " - "assuming %ld hz ...\n", cpu_rate); - } - - printk(KERN_WARNING "Clock rate set to %ld\n", cpu_rate); - - /* timer frequency is 1/2 clock rate */ - mips_hpt_frequency = cpu_rate/2; -} - -unsigned int __cpuinit get_c0_compare_int(void) -{ - /* MIPS_MT modes may want timer for second VPE */ - if ((get_current_vpe()) && !tim_installed) { - memcpy(&timer_vpe1, &c0_compare_irqaction, sizeof(timer_vpe1)); - setup_irq(MSP_INT_VPE1_TIMER, &timer_vpe1); - tim_installed++; - } - - return get_current_vpe() ? MSP_INT_VPE1_TIMER : MSP_INT_VPE0_TIMER; -} |