diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-08-16 18:42:58 +0100 |
commit | e4862f2f6f5653dfb67f3ba2b6f0bc74516ed51a (patch) | |
tree | 1db5a0540a4eecfad9b7daee476b985e82ddc810 /arch/tile/kernel/proc.c | |
parent | ec62dbd7eb8e3dddb221da89ecbcea0fc3dee8c1 (diff) | |
parent | b2c1e07b81a126e5846dfc3d36f559d861df59f4 (diff) |
Merge branch 'for-2.6.36' into for-2.6.37
Fairly simple conflicts, the most serious ones are the i.MX ones which I
suspect now need another rename.
Conflicts:
arch/arm/mach-mx2/clock_imx27.c
arch/arm/mach-mx2/devices.c
arch/arm/mach-omap2/board-rx51-peripherals.c
arch/arm/mach-omap2/board-zoom2.c
sound/soc/fsl/mpc5200_dma.c
sound/soc/fsl/mpc5200_dma.h
sound/soc/fsl/mpc8610_hpcd.c
sound/soc/pxa/spitz.c
Diffstat (limited to 'arch/tile/kernel/proc.c')
-rw-r--r-- | arch/tile/kernel/proc.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/tile/kernel/proc.c b/arch/tile/kernel/proc.c new file mode 100644 index 00000000000..2e02c41ddf3 --- /dev/null +++ b/arch/tile/kernel/proc.c @@ -0,0 +1,90 @@ +/* + * Copyright 2010 Tilera Corporation. All Rights Reserved. + * + * 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. + * + * 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, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +#include <linux/smp.h> +#include <linux/seq_file.h> +#include <linux/threads.h> +#include <linux/cpumask.h> +#include <linux/timex.h> +#include <linux/delay.h> +#include <linux/fs.h> +#include <linux/proc_fs.h> +#include <linux/sysctl.h> +#include <linux/hardirq.h> +#include <linux/mman.h> +#include <asm/pgtable.h> +#include <asm/processor.h> +#include <asm/sections.h> +#include <asm/homecache.h> +#include <arch/chip.h> + + +/* + * Support /proc/cpuinfo + */ + +#define cpu_to_ptr(n) ((void *)((long)(n)+1)) +#define ptr_to_cpu(p) ((long)(p) - 1) + +static int show_cpuinfo(struct seq_file *m, void *v) +{ + int n = ptr_to_cpu(v); + + if (n == 0) { + char buf[NR_CPUS*5]; + cpulist_scnprintf(buf, sizeof(buf), cpu_online_mask); + seq_printf(m, "cpu count\t: %d\n", num_online_cpus()); + seq_printf(m, "cpu list\t: %s\n", buf); + seq_printf(m, "model name\t: %s\n", chip_model); + seq_printf(m, "flags\t\t:\n"); /* nothing for now */ + seq_printf(m, "cpu MHz\t\t: %llu.%06llu\n", + get_clock_rate() / 1000000, + (get_clock_rate() % 1000000)); + seq_printf(m, "bogomips\t: %lu.%02lu\n\n", + loops_per_jiffy/(500000/HZ), + (loops_per_jiffy/(5000/HZ)) % 100); + } + +#ifdef CONFIG_SMP + if (!cpu_online(n)) + return 0; +#endif + + seq_printf(m, "processor\t: %d\n", n); + + /* Print only num_online_cpus() blank lines total. */ + if (cpumask_next(n, cpu_online_mask) < nr_cpu_ids) + seq_printf(m, "\n"); + + return 0; +} + +static void *c_start(struct seq_file *m, loff_t *pos) +{ + return *pos < nr_cpu_ids ? cpu_to_ptr(*pos) : NULL; +} +static void *c_next(struct seq_file *m, void *v, loff_t *pos) +{ + ++*pos; + return c_start(m, pos); +} +static void c_stop(struct seq_file *m, void *v) +{ +} +const struct seq_operations cpuinfo_op = { + .start = c_start, + .next = c_next, + .stop = c_stop, + .show = show_cpuinfo, +}; |