diff options
Diffstat (limited to 'roms/u-boot/arch/sandbox/include/asm/io.h')
-rw-r--r-- | roms/u-boot/arch/sandbox/include/asm/io.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/roms/u-boot/arch/sandbox/include/asm/io.h b/roms/u-boot/arch/sandbox/include/asm/io.h new file mode 100644 index 000000000..ad6c29a4e --- /dev/null +++ b/roms/u-boot/arch/sandbox/include/asm/io.h @@ -0,0 +1,233 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (c) 2011 The Chromium OS Authors. + */ + +#ifndef __SANDBOX_ASM_IO_H +#define __SANDBOX_ASM_IO_H + +enum sandboxio_size_t { + SB_SIZE_8, + SB_SIZE_16, + SB_SIZE_32, + SB_SIZE_64, +}; + +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); + +unsigned int sandbox_read(const void *addr, enum sandboxio_size_t size); +void sandbox_write(void *addr, unsigned int val, enum sandboxio_size_t size); + +#define readb(addr) sandbox_read((const void *)addr, SB_SIZE_8) +#define readw(addr) sandbox_read((const void *)addr, SB_SIZE_16) +#define readl(addr) sandbox_read((const void *)addr, SB_SIZE_32) +#ifdef CONFIG_SANDBOX64 +#define readq(addr) sandbox_read((const void *)addr, SB_SIZE_64) +#endif +#define writeb(v, addr) sandbox_write((void *)addr, v, SB_SIZE_8) +#define writew(v, addr) sandbox_write((void *)addr, v, SB_SIZE_16) +#define writel(v, addr) sandbox_write((void *)addr, v, SB_SIZE_32) +#ifdef CONFIG_SANDBOX64 +#define writeq(v, addr) sandbox_write((void *)addr, v, SB_SIZE_64) +#endif + +/* + * Clear and set bits in one shot. These macros can be used to clear and + * set multiple bits in a register using a single call. These macros can + * also be used to set a multiple-bit bit pattern using a mask, by + * specifying the mask in the 'clear' parameter and the new bit pattern + * in the 'set' parameter. + */ + +#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_le64(a,v) out_arch(q,le64,a,v) +#define out_le32(a,v) out_arch(l,le32,a,v) +#define out_le16(a,v) out_arch(w,le16,a,v) + +#define in_le64(a) in_arch(q,le64,a) +#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) + +/* 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 inb(port) _inb((uintptr_t)(port)) +#define inw(port) _inw((uintptr_t)(port)) +#define inl(port) _inl((uintptr_t)(port)) + +#define outb(val, port) _outb(val, (uintptr_t)(port)) +#define outw(val, port) _outw(val, (uintptr_t)(port)) +#define outl(val, port) _outl(val, (uintptr_t)(port)) + +#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) +{ +} + +static inline void memset_io(volatile void *addr, unsigned char val, int count) +{ +} + +static inline void memcpy_fromio(void *dst, const volatile void *src, int count) +{ +} + +static inline void memcpy_toio(volatile void *dst, const void *src, int count) +{ +} + +#define insw(port, buf, ns) _insw((u16 *)port, buf, ns) +#define outsw(port, buf, ns) _outsw((u16 *)port, buf, ns) + +/* IO space accessors */ +#define clrio(type, addr, clear) \ + out##type(in##type(addr) & ~(clear), (addr)) + +#define setio(type, addr, set) \ + out##type(in##type(addr) | (set), (addr)) + +#define clrsetio(type, addr, clear, set) \ + out##type((in##type(addr) & ~(clear)) | (set), (addr)) + +#define clrio_32(addr, clear) clrio(l, addr, clear) +#define clrio_16(addr, clear) clrio(w, addr, clear) +#define clrio_8(addr, clear) clrio(b, addr, clear) + +#define setio_32(addr, set) setio(l, addr, set) +#define setio_16(addr, set) setio(w, addr, set) +#define setio_8(addr, set) setio(b, addr, set) + +#define clrsetio_32(addr, clear, set) clrsetio(l, addr, clear, set) +#define clrsetio_16(addr, clear, set) clrsetio(w, addr, clear, set) +#define clrsetio_8(addr, clear, set) clrsetio(b, addr, clear, set) + +#include <iotrace.h> +#include <asm/types.h> + +#endif |