setup.c

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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];

#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);