50 lines
1 KiB
C
50 lines
1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef BCM63XX_IOREMAP_H_
|
||
|
|
#define BCM63XX_IOREMAP_H_
|
||
|
|
|
||
|
|
#include <bcm63xx_cpu.h>
|
||
|
|
|
||
|
|
static inline phys_addr_t fixup_bigphys_addr(phys_addr_t phys_addr, phys_addr_t size)
|
||
|
|
{
|
||
|
|
return phys_addr;
|
||
|
|
}
|
||
|
|
|
||
|
|
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_ */
|