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/*
* 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];
revision = rdvr();
for (i = 0; i < ARRAY_SIZE(cpinfo); i++) {
if (cpinfo[i].rev == revision) {
info = &cpinfo[i];
break;
}
}
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);
return 0;
}
#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);
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