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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef BCM63XX_IOREMAP_H_
#define BCM63XX_IOREMAP_H_
#include <bcm63xx_cpu.h>
static inline int is_bcm63xx_internal_registers(phys_addr_t offset)
{
switch (bcm63xx_get_cpu_id()) {
case BCM3368_CPU_ID:
if (offset >= 0xfff80000)
return 1;
break;
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 BCM6362_CPU_ID:
case BCM6368_CPU_ID:
if (offset >= 0xb0000000 && offset < 0xb1000000)
return 1;
break;
}
return 0;
}
static inline void __iomem *plat_ioremap(phys_addr_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_ */
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