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-rw-r--r--arch/cris/arch-v32/kernel/setup.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/arch/cris/arch-v32/kernel/setup.c b/arch/cris/arch-v32/kernel/setup.c
new file mode 100644
index 0000000..b17a39a
--- /dev/null
+++ b/arch/cris/arch-v32/kernel/setup.c
@@ -0,0 +1,118 @@
+/*
+ * Display CPU info in /proc/cpuinfo.
+ *
+ * Copyright (C) 2003, Axis Communications AB.
+ */
+
+#include <linux/config.h>
+#include <linux/seq_file.h>
+#include <linux/proc_fs.h>
+#include <linux/delay.h>
+#include <linux/param.h>
+
+#ifdef CONFIG_PROC_FS
+
+#define HAS_FPU 0x0001
+#define HAS_MMU 0x0002
+#define HAS_ETHERNET100 0x0004
+#define HAS_TOKENRING 0x0008
+#define HAS_SCSI 0x0010
+#define HAS_ATA 0x0020
+#define HAS_USB 0x0040
+#define HAS_IRQ_BUG 0x0080
+#define HAS_MMU_BUG 0x0100
+
+struct cpu_info {
+ char *cpu_model;
+ unsigned short rev;
+ unsigned short cache_size;
+ unsigned short flags;
+};
+
+/* Some of these model are here for historical reasons only. */
+static struct cpu_info cpinfo[] = {
+ {"ETRAX 1", 0, 0, 0},
+ {"ETRAX 2", 1, 0, 0},
+ {"ETRAX 3", 2, 0, 0},
+ {"ETRAX 4", 3, 0, 0},
+ {"Simulator", 7, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA},
+ {"ETRAX 100", 8, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_IRQ_BUG},
+ {"ETRAX 100", 9, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA},
+
+ {"ETRAX 100LX", 10, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB
+ | HAS_MMU | HAS_MMU_BUG},
+
+ {"ETRAX 100LX v2", 11, 8, HAS_ETHERNET100 | HAS_SCSI | HAS_ATA | HAS_USB
+ | HAS_MMU},
+
+ {"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU},
+
+ {"Unknown", 0, 0, 0}
+};
+
+int
+show_cpuinfo(struct seq_file *m, void *v)
+{
+ int i;
+ int cpu = (int)v - 1;
+ int entries;
+ unsigned long revision;
+ struct cpu_info *info;
+
+ entries = sizeof cpinfo / sizeof(struct cpu_info);
+ info = &cpinfo[entries - 1];
+
+#ifdef CONFIG_SMP
+ if (!cpu_online(cpu))
+ return 0;
+#endif
+
+ revision = rdvr();
+
+ for (i = 0; i < entries; i++) {
+ if (cpinfo[i].rev == revision) {
+ info = &cpinfo[i];
+ break;
+ }
+ }
+
+ return seq_printf(m,
+ "processor\t: %d\n"
+ "cpu\t\t: CRIS\n"
+ "cpu revision\t: %lu\n"
+ "cpu model\t: %s\n"
+ "cache size\t: %d KB\n"
+ "fpu\t\t: %s\n"
+ "mmu\t\t: %s\n"
+ "mmu DMA bug\t: %s\n"
+ "ethernet\t: %s Mbps\n"
+ "token ring\t: %s\n"
+ "scsi\t\t: %s\n"
+ "ata\t\t: %s\n"
+ "usb\t\t: %s\n"
+ "bogomips\t: %lu.%02lu\n\n",
+
+ cpu,
+ revision,
+ info->cpu_model,
+ info->cache_size,
+ info->flags & HAS_FPU ? "yes" : "no",
+ info->flags & HAS_MMU ? "yes" : "no",
+ info->flags & HAS_MMU_BUG ? "yes" : "no",
+ info->flags & HAS_ETHERNET100 ? "10/100" : "10",
+ info->flags & HAS_TOKENRING ? "4/16 Mbps" : "no",
+ info->flags & HAS_SCSI ? "yes" : "no",
+ info->flags & HAS_ATA ? "yes" : "no",
+ info->flags & HAS_USB ? "yes" : "no",
+ (loops_per_jiffy * HZ + 500) / 500000,
+ ((loops_per_jiffy * HZ + 500) / 5000) % 100);
+}
+
+#endif /* CONFIG_PROC_FS */
+
+void
+show_etrax_copyright(void)
+{
+ printk(KERN_INFO
+ "Linux/CRISv32 port on ETRAX FS (C) 2003, 2004 Axis Communications AB\n");
+}
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