/*
* Copyright (c) 2011 The Chromium OS Authors.
*
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
-/*
- * Given a physical address and a length, return a virtual address
- * that can be used to access the memory range with the caching
- * properties specified by "flags".
- */
-#define MAP_NOCACHE (0)
-#define MAP_WRCOMBINE (0)
-#define MAP_WRBACK (0)
-#define MAP_WRTHROUGH (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().
*/
-static inline void unmap_physmem(void *vaddr, unsigned long flags)
-{
+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)
+#ifdef CONFIG_SANDBOX64
+#define readq(addr) ((void)addr, 0)
+#endif
+#define writeb(v, addr) ((void)addr)
+#define writew(v, addr) ((void)addr)
+#define writel(v, addr) ((void)addr)
+#ifdef CONFIG_SANDBOX64
+#define writeq(v, addr) ((void)addr)
+#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 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)
+
+#include <iotrace.h>
+#include <asm/types.h>
+
+#endif
projects / people / ms / u-boot.git / blobdiff