ts72xx.h

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/*
 * arch/arm/mach-ep93xx/include/mach/ts72xx.h
 */

/*
 * TS72xx memory map:
 *
 * virt     phys        size
 * febff000 22000000    4K  model number register (bits 0-2)
 * febfe000 22400000    4K  options register
 * febfd000 22800000    4K  options register #2
 * febf9000 10800000    4K  TS-5620 RTC index register
 * febf8000 11700000    4K  TS-5620 RTC data register
 */

#define TS72XX_MODEL_PHYS_BASE      0x22000000
#define TS72XX_MODEL_VIRT_BASE      IOMEM(0xfebff000)
#define TS72XX_MODEL_SIZE       0x00001000

#define TS72XX_MODEL_TS7200     0x00
#define TS72XX_MODEL_TS7250     0x01
#define TS72XX_MODEL_TS7260     0x02
#define TS72XX_MODEL_TS7300     0x03
#define TS72XX_MODEL_TS7400     0x04
#define TS72XX_MODEL_MASK       0x07


#define TS72XX_OPTIONS_PHYS_BASE    0x22400000
#define TS72XX_OPTIONS_VIRT_BASE    IOMEM(0xfebfe000)
#define TS72XX_OPTIONS_SIZE     0x00001000

#define TS72XX_OPTIONS_COM2_RS485   0x02
#define TS72XX_OPTIONS_MAX197       0x01


#define TS72XX_OPTIONS2_PHYS_BASE   0x22800000
#define TS72XX_OPTIONS2_VIRT_BASE   IOMEM(0xfebfd000)
#define TS72XX_OPTIONS2_SIZE        0x00001000

#define TS72XX_OPTIONS2_TS9420      0x04
#define TS72XX_OPTIONS2_TS9420_BOOT 0x02


#define TS72XX_RTC_INDEX_VIRT_BASE  IOMEM(0xfebf9000)
#define TS72XX_RTC_INDEX_PHYS_BASE  0x10800000
#define TS72XX_RTC_INDEX_SIZE       0x00001000

#define TS72XX_RTC_DATA_VIRT_BASE   IOMEM(0xfebf8000)
#define TS72XX_RTC_DATA_PHYS_BASE   0x11700000
#define TS72XX_RTC_DATA_SIZE        0x00001000

#define TS72XX_WDT_CONTROL_PHYS_BASE    0x23800000
#define TS72XX_WDT_FEED_PHYS_BASE   0x23c00000

#ifndef __ASSEMBLY__

static inline int ts72xx_model(void)
{
    return __raw_readb(TS72XX_MODEL_VIRT_BASE) & TS72XX_MODEL_MASK;
}

static inline int board_is_ts7200(void)
{
    return ts72xx_model() == TS72XX_MODEL_TS7200;
}

static inline int board_is_ts7250(void)
{
    return ts72xx_model() == TS72XX_MODEL_TS7250;
}

static inline int board_is_ts7260(void)
{
    return ts72xx_model() == TS72XX_MODEL_TS7260;
}

static inline int board_is_ts7300(void)
{
    return ts72xx_model()  == TS72XX_MODEL_TS7300;
}

static inline int board_is_ts7400(void)
{
    return ts72xx_model() == TS72XX_MODEL_TS7400;
}

static inline int is_max197_installed(void)
{
    return !!(__raw_readb(TS72XX_OPTIONS_VIRT_BASE) &
                    TS72XX_OPTIONS_MAX197);
}

static inline int is_ts9420_installed(void)
{
    return !!(__raw_readb(TS72XX_OPTIONS2_VIRT_BASE) &
                    TS72XX_OPTIONS2_TS9420);
}
#endif