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-rw-r--r--arch/microblaze/include/asm/io.h302
-rw-r--r--arch/microblaze/kernel/signal.c2
-rw-r--r--arch/microblaze/mm/consistent.c2
-rw-r--r--arch/microblaze/mm/init.c2
-rw-r--r--arch/microblaze/mm/pgtable.c5
5 files changed, 19 insertions, 294 deletions
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 3fbb7f1db3b..1e4c3329f62 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -15,7 +15,6 @@
#include <asm/page.h>
#include <linux/types.h>
#include <linux/mm.h> /* Get struct page {...} */
-#include <asm-generic/iomap.h>
#ifndef CONFIG_PCI
#define _IO_BASE 0
@@ -25,211 +24,32 @@
#define _IO_BASE isa_io_base
#define _ISA_MEM_BASE isa_mem_base
#define PCI_DRAM_OFFSET pci_dram_offset
-#endif
+struct pci_dev;
+extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
+#define pci_iounmap pci_iounmap
extern unsigned long isa_io_base;
-extern unsigned long pci_io_base;
extern unsigned long pci_dram_offset;
-
extern resource_size_t isa_mem_base;
+#endif
+#define PCI_IOBASE ((void __iomem *)_IO_BASE)
#define IO_SPACE_LIMIT (0xFFFFFFFF)
-/* the following is needed to support PCI with some drivers */
-
-#define mmiowb()
-
-static inline unsigned char __raw_readb(const volatile void __iomem *addr)
-{
- return *(volatile unsigned char __force *)addr;
-}
-static inline unsigned short __raw_readw(const volatile void __iomem *addr)
-{
- return *(volatile unsigned short __force *)addr;
-}
-static inline unsigned int __raw_readl(const volatile void __iomem *addr)
-{
- return *(volatile unsigned int __force *)addr;
-}
-static inline unsigned long __raw_readq(const volatile void __iomem *addr)
-{
- return *(volatile unsigned long __force *)addr;
-}
-static inline void __raw_writeb(unsigned char v, volatile void __iomem *addr)
-{
- *(volatile unsigned char __force *)addr = v;
-}
-static inline void __raw_writew(unsigned short v, volatile void __iomem *addr)
-{
- *(volatile unsigned short __force *)addr = v;
-}
-static inline void __raw_writel(unsigned int v, volatile void __iomem *addr)
-{
- *(volatile unsigned int __force *)addr = v;
-}
-static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr)
-{
- *(volatile unsigned long __force *)addr = v;
-}
-
-/*
- * read (readb, readw, readl, readq) and write (writeb, writew,
- * writel, writeq) accessors are for PCI and thus little endian.
- * Linux 2.4 for Microblaze had this wrong.
- */
-static inline unsigned char readb(const volatile void __iomem *addr)
-{
- return *(volatile unsigned char __force *)addr;
-}
-static inline unsigned short readw(const volatile void __iomem *addr)
-{
- return le16_to_cpu(*(volatile unsigned short __force *)addr);
-}
-static inline unsigned int readl(const volatile void __iomem *addr)
-{
- return le32_to_cpu(*(volatile unsigned int __force *)addr);
-}
-#define readq readq
-static inline u64 readq(const volatile void __iomem *addr)
-{
- return le64_to_cpu(__raw_readq(addr));
-}
-static inline void writeb(unsigned char v, volatile void __iomem *addr)
-{
- *(volatile unsigned char __force *)addr = v;
-}
-static inline void writew(unsigned short v, volatile void __iomem *addr)
-{
- *(volatile unsigned short __force *)addr = cpu_to_le16(v);
-}
-static inline void writel(unsigned int v, volatile void __iomem *addr)
-{
- *(volatile unsigned int __force *)addr = cpu_to_le32(v);
-}
-#define writeq(b, addr) __raw_writeq(cpu_to_le64(b), addr)
-
-/* ioread and iowrite variants. thease are for now same as __raw_
- * variants of accessors. we might check for endianess in the feature
- */
-#define ioread8(addr) __raw_readb((u8 *)(addr))
-#define ioread16(addr) __raw_readw((u16 *)(addr))
-#define ioread32(addr) __raw_readl((u32 *)(addr))
-#define iowrite8(v, addr) __raw_writeb((u8)(v), (u8 *)(addr))
-#define iowrite16(v, addr) __raw_writew((u16)(v), (u16 *)(addr))
-#define iowrite32(v, addr) __raw_writel((u32)(v), (u32 *)(addr))
-
-#define ioread16be(addr) __raw_readw((u16 *)(addr))
-#define ioread32be(addr) __raw_readl((u32 *)(addr))
-#define iowrite16be(v, addr) __raw_writew((u16)(v), (u16 *)(addr))
-#define iowrite32be(v, addr) __raw_writel((u32)(v), (u32 *)(addr))
-
-/* These are the definitions for the x86 IO instructions
- * inb/inw/inl/outb/outw/outl, the "string" versions
- * insb/insw/insl/outsb/outsw/outsl, and the "pausing" versions
- * inb_p/inw_p/...
- * The macros don't do byte-swapping.
- */
-#define inb(port) readb((u8 *)((unsigned long)(port)))
-#define outb(val, port) writeb((val), (u8 *)((unsigned long)(port)))
-#define inw(port) readw((u16 *)((unsigned long)(port)))
-#define outw(val, port) writew((val), (u16 *)((unsigned long)(port)))
-#define inl(port) readl((u32 *)((unsigned long)(port)))
-#define outl(val, port) writel((val), (u32 *)((unsigned long)(port)))
-
-#define inb_p(port) inb((port))
-#define outb_p(val, port) outb((val), (port))
-#define inw_p(port) inw((port))
-#define outw_p(val, port) outw((val), (port))
-#define inl_p(port) inl((port))
-#define outl_p(val, port) outl((val), (port))
-
-#define memset_io(a, b, c) memset((void *)(a), (b), (c))
-#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
-#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
-
#ifdef CONFIG_MMU
-
-#define phys_to_virt(addr) ((void *)__phys_to_virt(addr))
-#define virt_to_phys(addr) ((unsigned long)__virt_to_phys(addr))
-#define virt_to_bus(addr) ((unsigned long)__virt_to_phys(addr))
-
#define page_to_bus(page) (page_to_phys(page))
-#define bus_to_virt(addr) (phys_to_virt(addr))
extern void iounmap(void __iomem *addr);
-/*extern void *__ioremap(phys_addr_t address, unsigned long size,
- unsigned long flags);*/
-extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
-#define ioremap_writethrough(addr, size) ioremap((addr), (size))
-#define ioremap_nocache(addr, size) ioremap((addr), (size))
-#define ioremap_fullcache(addr, size) ioremap((addr), (size))
-
-#else /* CONFIG_MMU */
-
-/**
- * virt_to_phys - map virtual addresses to physical
- * @address: address to remap
- *
- * The returned physical address is the physical (CPU) mapping for
- * the memory address given. It is only valid to use this function on
- * addresses directly mapped or allocated via kmalloc.
- *
- * This function does not give bus mappings for DMA transfers. In
- * almost all conceivable cases a device driver should not be using
- * this function
- */
-static inline unsigned long __iomem virt_to_phys(volatile void *address)
-{
- return __pa((unsigned long)address);
-}
-
-#define virt_to_bus virt_to_phys
-
-/**
- * phys_to_virt - map physical address to virtual
- * @address: address to remap
- *
- * The returned virtual address is a current CPU mapping for
- * the memory address given. It is only valid to use this function on
- * addresses that have a kernel mapping
- *
- * This function does not handle bus mappings for DMA transfers. In
- * almost all conceivable cases a device driver should not be using
- * this function
- */
-static inline void *phys_to_virt(unsigned long address)
-{
- return (void *)__va(address);
-}
-#define bus_to_virt(a) phys_to_virt(a)
-
-static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
- unsigned long flags)
-{
- return (void *)address;
-}
-
-#define ioremap(physaddr, size) ((void __iomem *)(unsigned long)(physaddr))
-#define iounmap(addr) ((void)0)
-#define ioremap_nocache(physaddr, size) ioremap(physaddr, size)
+extern void __iomem *ioremap(phys_addr_t address, unsigned long size);
+#define ioremap_writethrough(addr, size) ioremap((addr), (size))
+#define ioremap_nocache(addr, size) ioremap((addr), (size))
+#define ioremap_fullcache(addr, size) ioremap((addr), (size))
+#define ioremap_wc(addr, size) ioremap((addr), (size))
#endif /* CONFIG_MMU */
-/*
- * Convert a physical pointer to a virtual kernel pointer for /dev/mem
- * access
- */
-#define xlate_dev_mem_ptr(p) __va(p)
-
-/*
- * Convert a virtual cached pointer to an uncached pointer
- */
-#define xlate_dev_kmem_ptr(p) p
-
-/*
- * Big Endian
- */
+/* Big Endian */
#define out_be32(a, v) __raw_writel((v), (void __iomem __force *)(a))
#define out_be16(a, v) __raw_writew((v), (a))
@@ -239,10 +59,7 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
#define writel_be(v, a) out_be32((__force unsigned *)a, v)
#define readl_be(a) in_be32((__force unsigned *)a)
-/*
- * Little endian
- */
-
+/* Little endian */
#define out_le32(a, v) __raw_writel(__cpu_to_le32(v), (a))
#define out_le16(a, v) __raw_writew(__cpu_to_le16(v), (a))
@@ -253,100 +70,7 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
#define out_8(a, v) __raw_writeb((v), (a))
#define in_8(a) __raw_readb(a)
-#define mmiowb()
-
-#define ioport_map(port, nr) ((void __iomem *)(port))
-#define ioport_unmap(addr)
-
-/* from asm-generic/io.h */
-#ifndef insb
-static inline void insb(unsigned long addr, void *buffer, int count)
-{
- if (count) {
- u8 *buf = buffer;
- do {
- u8 x = inb(addr);
- *buf++ = x;
- } while (--count);
- }
-}
-#endif
-
-#ifndef insw
-static inline void insw(unsigned long addr, void *buffer, int count)
-{
- if (count) {
- u16 *buf = buffer;
- do {
- u16 x = inw(addr);
- *buf++ = x;
- } while (--count);
- }
-}
-#endif
-
-#ifndef insl
-static inline void insl(unsigned long addr, void *buffer, int count)
-{
- if (count) {
- u32 *buf = buffer;
- do {
- u32 x = inl(addr);
- *buf++ = x;
- } while (--count);
- }
-}
-#endif
-
-#ifndef outsb
-static inline void outsb(unsigned long addr, const void *buffer, int count)
-{
- if (count) {
- const u8 *buf = buffer;
- do {
- outb(*buf++, addr);
- } while (--count);
- }
-}
-#endif
-
-#ifndef outsw
-static inline void outsw(unsigned long addr, const void *buffer, int count)
-{
- if (count) {
- const u16 *buf = buffer;
- do {
- outw(*buf++, addr);
- } while (--count);
- }
-}
-#endif
-
-#ifndef outsl
-static inline void outsl(unsigned long addr, const void *buffer, int count)
-{
- if (count) {
- const u32 *buf = buffer;
- do {
- outl(*buf++, addr);
- } while (--count);
- }
-}
-#endif
-
-#define ioread8_rep(p, dst, count) \
- insb((unsigned long) (p), (dst), (count))
-#define ioread16_rep(p, dst, count) \
- insw((unsigned long) (p), (dst), (count))
-#define ioread32_rep(p, dst, count) \
- insl((unsigned long) (p), (dst), (count))
-
-#define iowrite8_rep(p, src, count) \
- outsb((unsigned long) (p), (src), (count))
-#define iowrite16_rep(p, src, count) \
- outsw((unsigned long) (p), (src), (count))
-#define iowrite32_rep(p, src, count) \
- outsl((unsigned long) (p), (src), (count))
+#include <asm-generic/io.h>
#define readb_relaxed readb
#define readw_relaxed readw
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index d26d7e7a691..49a07a4d76d 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -216,7 +216,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
/* MS: I need add offset in page */
address += ((unsigned long)frame->tramp) & ~PAGE_MASK;
/* MS address is virtual */
- address = virt_to_phys(address);
+ address = __virt_to_phys(address);
invalidate_icache_range(address, address + 8);
flush_dcache_range(address, address + 8);
}
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
index dbbf2246a26..e10ad930895 100644
--- a/arch/microblaze/mm/consistent.c
+++ b/arch/microblaze/mm/consistent.c
@@ -117,7 +117,7 @@ void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *dma_handle)
ret = (void *)va;
/* This gives us the real physical address of the first page. */
- *dma_handle = pa = virt_to_bus((void *)vaddr);
+ *dma_handle = pa = __virt_to_phys(vaddr);
#endif
/*
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 89077d34671..77bc7c7e652 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -369,7 +369,7 @@ asmlinkage void __init mmu_init(void)
if (initrd_start) {
unsigned long size;
size = initrd_end - initrd_start;
- memblock_reserve(virt_to_phys(initrd_start), size);
+ memblock_reserve(__virt_to_phys(initrd_start), size);
}
#endif /* CONFIG_BLK_DEV_INITRD */
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 10b3bd0a980..4f4520e779a 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -69,10 +69,11 @@ static void __iomem *__ioremap(phys_addr_t addr, unsigned long size,
*
* However, allow remap of rootfs: TBD
*/
+
if (mem_init_done &&
p >= memory_start && p < virt_to_phys(high_memory) &&
- !(p >= virt_to_phys((unsigned long)&__bss_stop) &&
- p < virt_to_phys((unsigned long)__bss_stop))) {
+ !(p >= __virt_to_phys((phys_addr_t)__bss_stop) &&
+ p < __virt_to_phys((phys_addr_t)__bss_stop))) {
pr_warn("__ioremap(): phys addr "PTE_FMT" is RAM lr %pf\n",
(unsigned long)p, __builtin_return_address(0));
return NULL;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-19 09:17:39 +0000