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44 lines
956 B
44 lines
956 B
/* 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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