| /* |
| * Copyright (c) 2011 The Chromium OS Authors. |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| #ifndef __SANDBOX_ASM_IO_H |
| #define __SANDBOX_ASM_IO_H |
| |
| void *phys_to_virt(phys_addr_t paddr); |
| #define phys_to_virt phys_to_virt |
| |
| phys_addr_t virt_to_phys(void *vaddr); |
| #define virt_to_phys virt_to_phys |
| |
| void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags); |
| #define map_physmem map_physmem |
| |
| /* |
| * Take down a mapping set up by map_physmem(). |
| */ |
| void unmap_physmem(const void *vaddr, unsigned long flags); |
| #define unmap_physmem unmap_physmem |
| |
| #include <asm-generic/io.h> |
| |
| /* For sandbox, we want addresses to point into our RAM buffer */ |
| static inline void *map_sysmem(phys_addr_t paddr, unsigned long len) |
| { |
| return map_physmem(paddr, len, MAP_WRBACK); |
| } |
| |
| /* Remove a previous mapping */ |
| static inline void unmap_sysmem(const void *vaddr) |
| { |
| unmap_physmem(vaddr, MAP_WRBACK); |
| } |
| |
| /* Map from a pointer to our RAM buffer */ |
| phys_addr_t map_to_sysmem(const void *ptr); |
| |
| /* Define nops for sandbox I/O access */ |
| #define readb(addr) ((void)addr, 0) |
| #define readw(addr) ((void)addr, 0) |
| #define readl(addr) ((void)addr, 0) |
| #define writeb(v, addr) ((void)addr) |
| #define writew(v, addr) ((void)addr) |
| #define writel(v, addr) ((void)addr) |
| |
| /* I/O access functions */ |
| int inl(unsigned int addr); |
| int inw(unsigned int addr); |
| int inb(unsigned int addr); |
| |
| void outl(unsigned int value, unsigned int addr); |
| void outw(unsigned int value, unsigned int addr); |
| void outb(unsigned int value, unsigned int addr); |
| |
| #define out_arch(type,endian,a,v) write##type(cpu_to_##endian(v),a) |
| #define in_arch(type,endian,a) endian##_to_cpu(read##type(a)) |
| |
| #define out_le32(a,v) out_arch(l,le32,a,v) |
| #define out_le16(a,v) out_arch(w,le16,a,v) |
| |
| #define in_le32(a) in_arch(l,le32,a) |
| #define in_le16(a) in_arch(w,le16,a) |
| |
| #define out_be32(a,v) out_arch(l,be32,a,v) |
| #define out_be16(a,v) out_arch(w,be16,a,v) |
| |
| #define in_be32(a) in_arch(l,be32,a) |
| #define in_be16(a) in_arch(w,be16,a) |
| |
| #define out_8(a,v) writeb(v,a) |
| #define in_8(a) readb(a) |
| |
| #define clrbits(type, addr, clear) \ |
| out_##type((addr), in_##type(addr) & ~(clear)) |
| |
| #define setbits(type, addr, set) \ |
| out_##type((addr), in_##type(addr) | (set)) |
| |
| #define clrsetbits(type, addr, clear, set) \ |
| out_##type((addr), (in_##type(addr) & ~(clear)) | (set)) |
| |
| #define clrbits_be32(addr, clear) clrbits(be32, addr, clear) |
| #define setbits_be32(addr, set) setbits(be32, addr, set) |
| #define clrsetbits_be32(addr, clear, set) clrsetbits(be32, addr, clear, set) |
| |
| #define clrbits_le32(addr, clear) clrbits(le32, addr, clear) |
| #define setbits_le32(addr, set) setbits(le32, addr, set) |
| #define clrsetbits_le32(addr, clear, set) clrsetbits(le32, addr, clear, set) |
| |
| #define clrbits_be16(addr, clear) clrbits(be16, addr, clear) |
| #define setbits_be16(addr, set) setbits(be16, addr, set) |
| #define clrsetbits_be16(addr, clear, set) clrsetbits(be16, addr, clear, set) |
| |
| #define clrbits_le16(addr, clear) clrbits(le16, addr, clear) |
| #define setbits_le16(addr, set) setbits(le16, addr, set) |
| #define clrsetbits_le16(addr, clear, set) clrsetbits(le16, addr, clear, set) |
| |
| #define clrbits_8(addr, clear) clrbits(8, addr, clear) |
| #define setbits_8(addr, set) setbits(8, addr, set) |
| #define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set) |
| |
| static inline void _insw(volatile u16 *port, void *buf, int ns) |
| { |
| } |
| |
| static inline void _outsw(volatile u16 *port, const void *buf, int ns) |
| { |
| } |
| |
| #define insw(port, buf, ns) _insw((u16 *)port, buf, ns) |
| #define outsw(port, buf, ns) _outsw((u16 *)port, buf, ns) |
| |
| /* For systemace.c */ |
| #define out16(addr, val) |
| #define in16(addr) 0 |
| |
| #include <iotrace.h> |
| #include <asm/types.h> |
| |
| #endif |