173 lines
4.3 KiB
C
173 lines
4.3 KiB
C
/*
|
|
* Display CPU info in /proc/cpuinfo.
|
|
*
|
|
* Copyright (C) 2003, Axis Communications AB.
|
|
*/
|
|
|
|
#include <linux/seq_file.h>
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/param.h>
|
|
|
|
#include <linux/i2c.h>
|
|
#include <linux/platform_device.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},
|
|
#ifdef CONFIG_ETRAXFS
|
|
{"ETRAX FS", 32, 32, HAS_ETHERNET100 | HAS_ATA | HAS_MMU},
|
|
#else
|
|
{"ARTPEC-3", 32, 32, HAS_ETHERNET100 | HAS_MMU},
|
|
#endif
|
|
{"Unknown", 0, 0, 0}
|
|
};
|
|
|
|
int show_cpuinfo(struct seq_file *m, void *v)
|
|
{
|
|
int i;
|
|
int cpu = (int)v - 1;
|
|
unsigned long revision;
|
|
struct cpu_info *info;
|
|
|
|
info = &cpinfo[ARRAY_SIZE(cpinfo) - 1];
|
|
|
|
#ifdef CONFIG_SMP
|
|
if (!cpu_online(cpu))
|
|
return 0;
|
|
#endif
|
|
|
|
revision = rdvr();
|
|
|
|
for (i = 0; i < ARRAY_SIZE(cpinfo); 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)
|
|
{
|
|
#ifdef CONFIG_ETRAXFS
|
|
printk(KERN_INFO "Linux/CRISv32 port on ETRAX FS "
|
|
"(C) 2003, 2004 Axis Communications AB\n");
|
|
#else
|
|
printk(KERN_INFO "Linux/CRISv32 port on ARTPEC-3 "
|
|
"(C) 2003-2009 Axis Communications AB\n");
|
|
#endif
|
|
}
|
|
|
|
static struct i2c_board_info __initdata i2c_info[] = {
|
|
{I2C_BOARD_INFO("camblock", 0x43)},
|
|
{I2C_BOARD_INFO("tmp100", 0x48)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4A)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4C)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4D)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4E)},
|
|
#ifdef CONFIG_RTC_DRV_PCF8563
|
|
{I2C_BOARD_INFO("pcf8563", 0x51)},
|
|
#endif
|
|
#ifdef CONFIG_ETRAX_VIRTUAL_GPIO
|
|
{I2C_BOARD_INFO("vgpio", 0x20)},
|
|
{I2C_BOARD_INFO("vgpio", 0x21)},
|
|
#endif
|
|
{I2C_BOARD_INFO("pca9536", 0x41)},
|
|
{I2C_BOARD_INFO("fnp300", 0x40)},
|
|
{I2C_BOARD_INFO("fnp300", 0x42)},
|
|
{I2C_BOARD_INFO("adc101", 0x54)},
|
|
};
|
|
|
|
static struct i2c_board_info __initdata i2c_info2[] = {
|
|
{I2C_BOARD_INFO("camblock", 0x43)},
|
|
{I2C_BOARD_INFO("tmp100", 0x48)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4A)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4C)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4D)},
|
|
{I2C_BOARD_INFO("tmp100", 0x4E)},
|
|
#ifdef CONFIG_ETRAX_VIRTUAL_GPIO
|
|
{I2C_BOARD_INFO("vgpio", 0x20)},
|
|
{I2C_BOARD_INFO("vgpio", 0x21)},
|
|
#endif
|
|
{I2C_BOARD_INFO("pca9536", 0x41)},
|
|
{I2C_BOARD_INFO("fnp300", 0x40)},
|
|
{I2C_BOARD_INFO("fnp300", 0x42)},
|
|
{I2C_BOARD_INFO("adc101", 0x54)},
|
|
};
|
|
|
|
static struct i2c_board_info __initdata i2c_info3[] = {
|
|
{I2C_BOARD_INFO("adc101", 0x54)},
|
|
};
|
|
|
|
static int __init etrax_init(void)
|
|
{
|
|
i2c_register_board_info(0, i2c_info, ARRAY_SIZE(i2c_info));
|
|
i2c_register_board_info(1, i2c_info2, ARRAY_SIZE(i2c_info2));
|
|
i2c_register_board_info(2, i2c_info3, ARRAY_SIZE(i2c_info3));
|
|
return 0;
|
|
}
|
|
arch_initcall(etrax_init);
|