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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/mips/include/asm/mach-bcm63xx/ioremap.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/mips/include/asm/mach-bcm63xx/ioremap.h')
| -rw-r--r-- | arch/mips/include/asm/mach-bcm63xx/ioremap.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm63xx/ioremap.h b/arch/mips/include/asm/mach-bcm63xx/ioremap.h new file mode 100644 index 000000000..73f31825b --- /dev/null +++ b/arch/mips/include/asm/mach-bcm63xx/ioremap.h @@ -0,0 +1,44 @@ +/* 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_ */ |