arch/sandbox/include/asm/io.h - platform/external/u-boot - Gitiles

 /* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (c) 2011 The Chromium OS Authors.
  */

 #ifndef __SANDBOX_ASM_IO_H
 #define __SANDBOX_ASM_IO_H

 #include <linux/types.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

 /* Map from a pointer to our RAM buffer */
 phys_addr_t map_to_sysmem(const void *ptr);

 unsigned long 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>
 #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);
 }

 /**
  * nomap_sysmem() - pass through an address unchanged
  *
  * This is used to indicate an address which should NOT be mapped, e.g. in
  * SMBIOS tables. Using this function instead of a case shows that the sandbox
  * conversion has been done
  */
 static inline void *nomap_sysmem(phys_addr_t paddr, unsigned long len)
 {
 	return (void *)(uintptr_t)paddr;
 }

 static inline phys_addr_t nomap_to_sysmem(const void *ptr)
 {
 	return (phys_addr_t)(uintptr_t)ptr;
 }

 #endif
	/* SPDX-License-Identifier: GPL-2.0+ */
	/*
	* Copyright (c) 2011 The Chromium OS Authors.
	*/

	#ifndef __SANDBOX_ASM_IO_H
	#define __SANDBOX_ASM_IO_H

	#include <linux/types.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

	/* Map from a pointer to our RAM buffer */
	phys_addr_t map_to_sysmem(const void *ptr);

	unsigned long 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>
	#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);
	}

	/**
	* nomap_sysmem() - pass through an address unchanged
	*
	* This is used to indicate an address which should NOT be mapped, e.g. in
	* SMBIOS tables. Using this function instead of a case shows that the sandbox
	* conversion has been done
	*/
	static inline void *nomap_sysmem(phys_addr_t paddr, unsigned long len)
	{
	return (void *)(uintptr_t)paddr;
	}

	static inline phys_addr_t nomap_to_sysmem(const void *ptr)
	{
	return (phys_addr_t)(uintptr_t)ptr;
	}

	#endif