d399157283
fixup_bigphys_addr is only provided by the alchemy platform. Remove all the stubs, and ensure we only call it if it is actually implemented. Also don't bother implementing io_remap_pfn_range if we don't have to, and move the remaining implementation to alchemy platform code. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
45 lines
956 B
C
45 lines
956 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef BCM63XX_IOREMAP_H_
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#define BCM63XX_IOREMAP_H_
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#include <bcm63xx_cpu.h>
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static inline int is_bcm63xx_internal_registers(phys_addr_t offset)
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{
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switch (bcm63xx_get_cpu_id()) {
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case BCM3368_CPU_ID:
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if (offset >= 0xfff80000)
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return 1;
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break;
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case BCM6338_CPU_ID:
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case BCM6345_CPU_ID:
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case BCM6348_CPU_ID:
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case BCM6358_CPU_ID:
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if (offset >= 0xfff00000)
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return 1;
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break;
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case BCM6328_CPU_ID:
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case BCM6362_CPU_ID:
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case BCM6368_CPU_ID:
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if (offset >= 0xb0000000 && offset < 0xb1000000)
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return 1;
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break;
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}
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return 0;
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}
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static inline void __iomem *plat_ioremap(phys_addr_t offset, unsigned long size,
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unsigned long flags)
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{
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if (is_bcm63xx_internal_registers(offset))
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return (void __iomem *)offset;
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return NULL;
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}
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static inline int plat_iounmap(const volatile void __iomem *addr)
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{
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return is_bcm63xx_internal_registers((unsigned long)addr);
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}
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#endif /* BCM63XX_IOREMAP_H_ */
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