From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/mips/include/asm/mach-bcm63xx/ioremap.h | 44 ++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/mips/include/asm/mach-bcm63xx/ioremap.h (limited to 'arch/mips/include/asm/mach-bcm63xx/ioremap.h') 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 + +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_ */ -- cgit v1.2.3