ioremap.h

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#ifndef BCM63XX_IOREMAP_H_
#define BCM63XX_IOREMAP_H_

#include <bcm63xx_cpu.h>

static inline phys_t fixup_bigphys_addr(phys_t phys_addr, phys_t size)
{
    return phys_addr;
}

static inline int is_bcm63xx_internal_registers(phys_t offset)
{
    switch (bcm63xx_get_cpu_id()) {
    case BCM6338_CPU_ID:
    case BCM6345_CPU_ID:
    case BCM6348_CPU_ID:
    case BCM6358_CPU_ID:
        if (offset >= 0xfff00000)
            return 1;
        break;
    case BCM6328_CPU_ID:
    case BCM6368_CPU_ID:
        if (offset >= 0xb0000000 && offset < 0xb1000000)
            return 1;
        break;
    }
    return 0;
}

static inline void __iomem *plat_ioremap(phys_t offset, unsigned long size,
                     unsigned long flags)
{
    if (is_bcm63xx_internal_registers(offset))
        return (void __iomem *)offset;
    return NULL;
}

static inline int plat_iounmap(const volatile void __iomem *addr)
{
    return is_bcm63xx_internal_registers((unsigned long)addr);
}

#endif /* BCM63XX_IOREMAP_H_ */