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-rw-r--r--arch/parisc/Kconfig13
-rw-r--r--arch/parisc/Makefile2
-rw-r--r--arch/parisc/include/asm/bitops.h8
-rw-r--r--arch/parisc/include/asm/io.h134
-rw-r--r--arch/parisc/include/asm/termios.h52
-rw-r--r--arch/parisc/include/uapi/asm/mman.h2
-rw-r--r--arch/parisc/include/uapi/asm/termios.h44
-rw-r--r--arch/parisc/kernel/Makefile4
-rw-r--r--arch/parisc/kernel/cache.c9
-rw-r--r--arch/parisc/kernel/head.S43
-rw-r--r--arch/parisc/kernel/irq.c2
-rw-r--r--arch/parisc/kernel/unaligned.c2
-rw-r--r--arch/parisc/lib/iomap.c60
13 files changed, 129 insertions, 246 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index 7f059cd1196a..a98940e64243 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -146,10 +146,10 @@ menu "Processor type and features"
choice
prompt "Processor type"
- default PA7000
+ default PA7000 if "$(ARCH)" = "parisc"
config PA7000
- bool "PA7000/PA7100"
+ bool "PA7000/PA7100" if "$(ARCH)" = "parisc"
help
This is the processor type of your CPU. This information is
used for optimizing purposes. In order to compile a kernel
@@ -160,21 +160,21 @@ config PA7000
which is required on some machines.
config PA7100LC
- bool "PA7100LC"
+ bool "PA7100LC" if "$(ARCH)" = "parisc"
help
Select this option for the PCX-L processor, as used in the
712, 715/64, 715/80, 715/100, 715/100XC, 725/100, 743, 748,
D200, D210, D300, D310 and E-class
config PA7200
- bool "PA7200"
+ bool "PA7200" if "$(ARCH)" = "parisc"
help
Select this option for the PCX-T' processor, as used in the
C100, C110, J100, J110, J210XC, D250, D260, D350, D360,
K100, K200, K210, K220, K400, K410 and K420
config PA7300LC
- bool "PA7300LC"
+ bool "PA7300LC" if "$(ARCH)" = "parisc"
help
Select this option for the PCX-L2 processor, as used in the
744, A180, B132L, B160L, B180L, C132L, C160L, C180L,
@@ -224,7 +224,8 @@ config MLONGCALLS
Enabling this option will probably slow down your kernel.
config 64BIT
- bool "64-bit kernel"
+ def_bool y if "$(ARCH)" = "parisc64"
+ bool "64-bit kernel" if "$(ARCH)" = "parisc"
depends on PA8X00
help
Enable this if you want to support 64bit kernel on PA-RISC platform.
diff --git a/arch/parisc/Makefile b/arch/parisc/Makefile
index e38d993d87f2..a2d8600521f9 100644
--- a/arch/parisc/Makefile
+++ b/arch/parisc/Makefile
@@ -113,8 +113,6 @@ cflags-$(CONFIG_PA7100LC) += -march=1.1 -mschedule=7100LC
cflags-$(CONFIG_PA7300LC) += -march=1.1 -mschedule=7300
cflags-$(CONFIG_PA8X00) += -march=2.0 -mschedule=8000
-head-y := arch/parisc/kernel/head.o
-
KBUILD_CFLAGS += $(cflags-y)
LIBGCC := $(shell $(CC) -print-libgcc-file-name)
export LIBGCC
diff --git a/arch/parisc/include/asm/bitops.h b/arch/parisc/include/asm/bitops.h
index 56ffd260c669..0ec9cfc5131f 100644
--- a/arch/parisc/include/asm/bitops.h
+++ b/arch/parisc/include/asm/bitops.h
@@ -12,14 +12,6 @@
#include <asm/barrier.h>
#include <linux/atomic.h>
-/* compiler build environment sanity checks: */
-#if !defined(CONFIG_64BIT) && defined(__LP64__)
-#error "Please use 'ARCH=parisc' to build the 32-bit kernel."
-#endif
-#if defined(CONFIG_64BIT) && !defined(__LP64__)
-#error "Please use 'ARCH=parisc64' to build the 64-bit kernel."
-#endif
-
/* See http://marc.theaimsgroup.com/?t=108826637900003 for discussion
* on use of volatile and __*_bit() (set/clear/change):
* *_bit() want use of volatile.
diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h
index 42ffb60a6ea9..c05e781be2f5 100644
--- a/arch/parisc/include/asm/io.h
+++ b/arch/parisc/include/asm/io.h
@@ -128,98 +128,16 @@ static inline void gsc_writeq(unsigned long long val, unsigned long addr)
void __iomem *ioremap(unsigned long offset, unsigned long size);
#define ioremap_wc ioremap
#define ioremap_uc ioremap
+#define pci_iounmap pci_iounmap
extern void iounmap(const volatile void __iomem *addr);
-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 long __raw_readq(const volatile void __iomem *addr)
-{
- return *(volatile unsigned long long __force *) addr;
-}
-
-static inline void __raw_writeb(unsigned char b, volatile void __iomem *addr)
-{
- *(volatile unsigned char __force *) addr = b;
-}
-static inline void __raw_writew(unsigned short b, volatile void __iomem *addr)
-{
- *(volatile unsigned short __force *) addr = b;
-}
-static inline void __raw_writel(unsigned int b, volatile void __iomem *addr)
-{
- *(volatile unsigned int __force *) addr = b;
-}
-static inline void __raw_writeq(unsigned long long b, volatile void __iomem *addr)
-{
- *(volatile unsigned long long __force *) addr = b;
-}
-
-static inline unsigned char readb(const volatile void __iomem *addr)
-{
- return __raw_readb(addr);
-}
-static inline unsigned short readw(const volatile void __iomem *addr)
-{
- return le16_to_cpu((__le16 __force) __raw_readw(addr));
-}
-static inline unsigned int readl(const volatile void __iomem *addr)
-{
- return le32_to_cpu((__le32 __force) __raw_readl(addr));
-}
-static inline unsigned long long readq(const volatile void __iomem *addr)
-{
- return le64_to_cpu((__le64 __force) __raw_readq(addr));
-}
-
-static inline void writeb(unsigned char b, volatile void __iomem *addr)
-{
- __raw_writeb(b, addr);
-}
-static inline void writew(unsigned short w, volatile void __iomem *addr)
-{
- __raw_writew((__u16 __force) cpu_to_le16(w), addr);
-}
-static inline void writel(unsigned int l, volatile void __iomem *addr)
-{
- __raw_writel((__u32 __force) cpu_to_le32(l), addr);
-}
-static inline void writeq(unsigned long long q, volatile void __iomem *addr)
-{
- __raw_writeq((__u64 __force) cpu_to_le64(q), addr);
-}
-
-#define readb readb
-#define readw readw
-#define readl readl
-#define readq readq
-#define writeb writeb
-#define writew writew
-#define writel writel
-#define writeq writeq
-
-#define readb_relaxed(addr) readb(addr)
-#define readw_relaxed(addr) readw(addr)
-#define readl_relaxed(addr) readl(addr)
-#define readq_relaxed(addr) readq(addr)
-#define writeb_relaxed(b, addr) writeb(b, addr)
-#define writew_relaxed(w, addr) writew(w, addr)
-#define writel_relaxed(l, addr) writel(l, addr)
-#define writeq_relaxed(q, addr) writeq(q, addr)
-
void memset_io(volatile void __iomem *addr, unsigned char val, int count);
void memcpy_fromio(void *dst, const volatile void __iomem *src, int count);
void memcpy_toio(volatile void __iomem *dst, const void *src, int count);
+#define memset_io memset_io
+#define memcpy_fromio memcpy_fromio
+#define memcpy_toio memcpy_toio
/* Port-space IO */
@@ -241,10 +159,15 @@ extern void eisa_out32(unsigned int data, unsigned short port);
extern unsigned char inb(int addr);
extern unsigned short inw(int addr);
extern unsigned int inl(int addr);
-
extern void outb(unsigned char b, int addr);
extern void outw(unsigned short b, int addr);
extern void outl(unsigned int b, int addr);
+#define inb inb
+#define inw inw
+#define inl inl
+#define outb outb
+#define outw outw
+#define outl outl
#elif defined(CONFIG_EISA)
#define inb eisa_in8
#define inw eisa_in16
@@ -270,7 +193,9 @@ static inline int inl(unsigned long addr)
BUG();
return -1;
}
-
+#define inb inb
+#define inw inw
+#define inl inl
#define outb(x, y) ({(void)(x); (void)(y); BUG(); 0;})
#define outw(x, y) ({(void)(x); (void)(y); BUG(); 0;})
#define outl(x, y) ({(void)(x); (void)(y); BUG(); 0;})
@@ -285,7 +210,12 @@ extern void insl (unsigned long port, void *dst, unsigned long count);
extern void outsb (unsigned long port, const void *src, unsigned long count);
extern void outsw (unsigned long port, const void *src, unsigned long count);
extern void outsl (unsigned long port, const void *src, unsigned long count);
-
+#define insb insb
+#define insw insw
+#define insl insl
+#define outsb outsb
+#define outsw outsw
+#define outsl outsl
/* IO Port space is : BBiiii where BB is HBA number. */
#define IO_SPACE_LIMIT 0x00ffffff
@@ -297,6 +227,7 @@ extern void outsl (unsigned long port, const void *src, unsigned long count);
* value for either 32 or 64 bit mode */
#define F_EXTEND(x) ((unsigned long)((x) | (0xffffffff00000000ULL)))
+#ifdef CONFIG_64BIT
#define ioread64 ioread64
#define ioread64be ioread64be
#define iowrite64 iowrite64
@@ -305,8 +236,31 @@ extern u64 ioread64(const void __iomem *addr);
extern u64 ioread64be(const void __iomem *addr);
extern void iowrite64(u64 val, void __iomem *addr);
extern void iowrite64be(u64 val, void __iomem *addr);
+#endif
#include <asm-generic/iomap.h>
+/*
+ * These get provided from <asm-generic/iomap.h> since parisc does not
+ * select GENERIC_IOMAP.
+ */
+#define ioport_map ioport_map
+#define ioport_unmap ioport_unmap
+#define ioread8 ioread8
+#define ioread16 ioread16
+#define ioread32 ioread32
+#define ioread16be ioread16be
+#define ioread32be ioread32be
+#define iowrite8 iowrite8
+#define iowrite16 iowrite16
+#define iowrite32 iowrite32
+#define iowrite16be iowrite16be
+#define iowrite32be iowrite32be
+#define ioread8_rep ioread8_rep
+#define ioread16_rep ioread16_rep
+#define ioread32_rep ioread32_rep
+#define iowrite8_rep iowrite8_rep
+#define iowrite16_rep iowrite16_rep
+#define iowrite32_rep iowrite32_rep
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
@@ -316,4 +270,6 @@ extern void iowrite64be(u64 val, void __iomem *addr);
extern int devmem_is_allowed(unsigned long pfn);
+#include <asm-generic/io.h>
+
#endif
diff --git a/arch/parisc/include/asm/termios.h b/arch/parisc/include/asm/termios.h
deleted file mode 100644
index cded9dc90c1b..000000000000
--- a/arch/parisc/include/asm/termios.h
+++ /dev/null
@@ -1,52 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _PARISC_TERMIOS_H
-#define _PARISC_TERMIOS_H
-
-#include <uapi/asm/termios.h>
-
-
-/* intr=^C quit=^\ erase=del kill=^U
- eof=^D vtime=\0 vmin=\1 sxtc=\0
- start=^Q stop=^S susp=^Z eol=\0
- reprint=^R discard=^U werase=^W lnext=^V
- eol2=\0
-*/
-#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
-
-/*
- * Translate a "termio" structure into a "termios". Ugh.
- */
-#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
- unsigned short __tmp; \
- get_user(__tmp,&(termio)->x); \
- *(unsigned short *) &(termios)->x = __tmp; \
-}
-
-#define user_termio_to_kernel_termios(termios, termio) \
-({ \
- SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
- SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
- SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
- SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
- copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
-})
-
-/*
- * Translate a "termios" structure into a "termio". Ugh.
- */
-#define kernel_termios_to_user_termio(termio, termios) \
-({ \
- put_user((termios)->c_iflag, &(termio)->c_iflag); \
- put_user((termios)->c_oflag, &(termio)->c_oflag); \
- put_user((termios)->c_cflag, &(termio)->c_cflag); \
- put_user((termios)->c_lflag, &(termio)->c_lflag); \
- put_user((termios)->c_line, &(termio)->c_line); \
- copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
-})
-
-#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2))
-#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2))
-#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios))
-#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios))
-
-#endif /* _PARISC_TERMIOS_H */
diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h
index a7ea3204a5fa..22133a6a506e 100644
--- a/arch/parisc/include/uapi/asm/mman.h
+++ b/arch/parisc/include/uapi/asm/mman.h
@@ -70,6 +70,8 @@
#define MADV_WIPEONFORK 71 /* Zero memory on fork, child only */
#define MADV_KEEPONFORK 72 /* Undo MADV_WIPEONFORK */
+#define MADV_COLLAPSE 73 /* Synchronous hugepage collapse */
+
#define MADV_HWPOISON 100 /* poison a page for testing */
#define MADV_SOFT_OFFLINE 101 /* soft offline page for testing */
diff --git a/arch/parisc/include/uapi/asm/termios.h b/arch/parisc/include/uapi/asm/termios.h
deleted file mode 100644
index aba174f23ef0..000000000000
--- a/arch/parisc/include/uapi/asm/termios.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef _UAPI_PARISC_TERMIOS_H
-#define _UAPI_PARISC_TERMIOS_H
-
-#include <asm/termbits.h>
-#include <asm/ioctls.h>
-
-struct winsize {
- unsigned short ws_row;
- unsigned short ws_col;
- unsigned short ws_xpixel;
- unsigned short ws_ypixel;
-};
-
-#define NCC 8
-struct termio {
- unsigned short c_iflag; /* input mode flags */
- unsigned short c_oflag; /* output mode flags */
- unsigned short c_cflag; /* control mode flags */
- unsigned short c_lflag; /* local mode flags */
- unsigned char c_line; /* line discipline */
- unsigned char c_cc[NCC]; /* control characters */
-};
-
-/* modem lines */
-#define TIOCM_LE 0x001
-#define TIOCM_DTR 0x002
-#define TIOCM_RTS 0x004
-#define TIOCM_ST 0x008
-#define TIOCM_SR 0x010
-#define TIOCM_CTS 0x020
-#define TIOCM_CAR 0x040
-#define TIOCM_RNG 0x080
-#define TIOCM_DSR 0x100
-#define TIOCM_CD TIOCM_CAR
-#define TIOCM_RI TIOCM_RNG
-#define TIOCM_OUT1 0x2000
-#define TIOCM_OUT2 0x4000
-#define TIOCM_LOOP 0x8000
-
-/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
-
-
-#endif /* _UAPI_PARISC_TERMIOS_H */
diff --git a/arch/parisc/kernel/Makefile b/arch/parisc/kernel/Makefile
index d0bfac89a842..3d138c9cf9ce 100644
--- a/arch/parisc/kernel/Makefile
+++ b/arch/parisc/kernel/Makefile
@@ -3,9 +3,9 @@
# Makefile for arch/parisc/kernel
#
-extra-y := head.o vmlinux.lds
+extra-y := vmlinux.lds
-obj-y := cache.o pacache.o setup.o pdt.o traps.o time.o irq.o \
+obj-y := head.o cache.o pacache.o setup.o pdt.o traps.o time.o irq.o \
pa7300lc.o syscall.o entry.o sys_parisc.o firmware.o \
ptrace.o hardware.o inventory.o drivers.o alternative.o \
signal.o hpmc.o real2.o parisc_ksyms.o unaligned.o \
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 3feb7694e0ca..1d3b8bc8a623 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -657,15 +657,20 @@ static inline unsigned long mm_total_size(struct mm_struct *mm)
{
struct vm_area_struct *vma;
unsigned long usize = 0;
+ VMA_ITERATOR(vmi, mm, 0);
- for (vma = mm->mmap; vma && usize < parisc_cache_flush_threshold; vma = vma->vm_next)
+ for_each_vma(vmi, vma) {
+ if (usize >= parisc_cache_flush_threshold)
+ break;
usize += vma->vm_end - vma->vm_start;
+ }
return usize;
}
void flush_cache_mm(struct mm_struct *mm)
{
struct vm_area_struct *vma;
+ VMA_ITERATOR(vmi, mm, 0);
/*
* Flushing the whole cache on each cpu takes forever on
@@ -685,7 +690,7 @@ void flush_cache_mm(struct mm_struct *mm)
}
/* Flush mm */
- for (vma = mm->mmap; vma; vma = vma->vm_next)
+ for_each_vma(vmi, vma)
flush_cache_pages(vma, vma->vm_start, vma->vm_end);
}
diff --git a/arch/parisc/kernel/head.S b/arch/parisc/kernel/head.S
index e0a9e9657622..fd15fd4bbb61 100644
--- a/arch/parisc/kernel/head.S
+++ b/arch/parisc/kernel/head.S
@@ -22,7 +22,7 @@
#include <linux/init.h>
#include <linux/pgtable.h>
- .level PA_ASM_LEVEL
+ .level 1.1
__INITDATA
ENTRY(boot_args)
@@ -70,6 +70,47 @@ $bss_loop:
stw,ma %arg2,4(%r1)
stw,ma %arg3,4(%r1)
+#if !defined(CONFIG_64BIT) && defined(CONFIG_PA20)
+ /* This 32-bit kernel was compiled for PA2.0 CPUs. Check current CPU
+ * and halt kernel if we detect a PA1.x CPU. */
+ ldi 32,%r10
+ mtctl %r10,%cr11
+ .level 2.0
+ mfctl,w %cr11,%r10
+ .level 1.1
+ comib,<>,n 0,%r10,$cpu_ok
+
+ load32 PA(msg1),%arg0
+ ldi msg1_end-msg1,%arg1
+$iodc_panic:
+ copy %arg0, %r10
+ copy %arg1, %r11
+ load32 PA(init_stack),%sp
+#define MEM_CONS 0x3A0
+ ldw MEM_CONS+32(%r0),%arg0 // HPA
+ ldi ENTRY_IO_COUT,%arg1
+ ldw MEM_CONS+36(%r0),%arg2 // SPA
+ ldw MEM_CONS+8(%r0),%arg3 // layers
+ load32 PA(__bss_start),%r1
+ stw %r1,-52(%sp) // arg4
+ stw %r0,-56(%sp) // arg5
+ stw %r10,-60(%sp) // arg6 = ptr to text
+ stw %r11,-64(%sp) // arg7 = len
+ stw %r0,-68(%sp) // arg8
+ load32 PA(.iodc_panic_ret), %rp
+ ldw MEM_CONS+40(%r0),%r1 // ENTRY_IODC
+ bv,n (%r1)
+.iodc_panic_ret:
+ b . /* wait endless with ... */
+ or %r10,%r10,%r10 /* qemu idle sleep */
+msg1: .ascii "Can't boot kernel which was built for PA8x00 CPUs on this machine.\r\n"
+msg1_end:
+
+$cpu_ok:
+#endif
+
+ .level PA_ASM_LEVEL
+
/* Initialize startup VM. Just map first 16/32 MB of memory */
load32 PA(swapper_pg_dir),%r4
mtctl %r4,%cr24 /* Initialize kernel root pointer */
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index fbb882cb8dbb..b05055f3ba4b 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -480,7 +480,7 @@ static void execute_on_irq_stack(void *func, unsigned long param1)
*irq_stack_in_use = 1;
}
-#ifndef CONFIG_PREEMPT_RT
+#ifdef CONFIG_SOFTIRQ_ON_OWN_STACK
void do_softirq_own_stack(void)
{
execute_on_irq_stack(__do_softirq, 0);
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index bac581b5ecfc..e8a4d77cff53 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -93,7 +93,7 @@
#define R1(i) (((i)>>21)&0x1f)
#define R2(i) (((i)>>16)&0x1f)
#define R3(i) ((i)&0x1f)
-#define FR3(i) ((((i)<<1)&0x1f)|(((i)>>6)&1))
+#define FR3(i) ((((i)&0x1f)<<1)|(((i)>>6)&1))
#define IM(i,n) (((i)>>1&((1<<(n-1))-1))|((i)&1?((0-1L)<<(n-1)):0))
#define IM5_2(i) IM((i)>>16,5)
#define IM5_3(i) IM((i),5)
diff --git a/arch/parisc/lib/iomap.c b/arch/parisc/lib/iomap.c
index 860385058085..915c0c4da663 100644
--- a/arch/parisc/lib/iomap.c
+++ b/arch/parisc/lib/iomap.c
@@ -48,15 +48,19 @@ struct iomap_ops {
unsigned int (*read16be)(const void __iomem *);
unsigned int (*read32)(const void __iomem *);
unsigned int (*read32be)(const void __iomem *);
+#ifdef CONFIG_64BIT
u64 (*read64)(const void __iomem *);
u64 (*read64be)(const void __iomem *);
+#endif
void (*write8)(u8, void __iomem *);
void (*write16)(u16, void __iomem *);
void (*write16be)(u16, void __iomem *);
void (*write32)(u32, void __iomem *);
void (*write32be)(u32, void __iomem *);
+#ifdef CONFIG_64BIT
void (*write64)(u64, void __iomem *);
void (*write64be)(u64, void __iomem *);
+#endif
void (*read8r)(const void __iomem *, void *, unsigned long);
void (*read16r)(const void __iomem *, void *, unsigned long);
void (*read32r)(const void __iomem *, void *, unsigned long);
@@ -175,6 +179,7 @@ static unsigned int iomem_read32be(const void __iomem *addr)
return __raw_readl(addr);
}
+#ifdef CONFIG_64BIT
static u64 iomem_read64(const void __iomem *addr)
{
return readq(addr);
@@ -184,6 +189,7 @@ static u64 iomem_read64be(const void __iomem *addr)
{
return __raw_readq(addr);
}
+#endif
static void iomem_write8(u8 datum, void __iomem *addr)
{
@@ -210,15 +216,17 @@ static void iomem_write32be(u32 datum, void __iomem *addr)
__raw_writel(datum, addr);
}
+#ifdef CONFIG_64BIT
static void iomem_write64(u64 datum, void __iomem *addr)
{
- writel(datum, addr);
+ writeq(datum, addr);
}
static void iomem_write64be(u64 datum, void __iomem *addr)
{
- __raw_writel(datum, addr);
+ __raw_writeq(datum, addr);
}
+#endif
static void iomem_read8r(const void __iomem *addr, void *dst, unsigned long count)
{
@@ -274,15 +282,19 @@ static const struct iomap_ops iomem_ops = {
.read16be = iomem_read16be,
.read32 = iomem_read32,
.read32be = iomem_read32be,
+#ifdef CONFIG_64BIT
.read64 = iomem_read64,
.read64be = iomem_read64be,
+#endif
.write8 = iomem_write8,
.write16 = iomem_write16,
.write16be = iomem_write16be,
.write32 = iomem_write32,
.write32be = iomem_write32be,
+#ifdef CONFIG_64BIT
.write64 = iomem_write64,
.write64be = iomem_write64be,
+#endif
.read8r = iomem_read8r,
.read16r = iomem_read16r,
.read32r = iomem_read32r,
@@ -332,6 +344,7 @@ unsigned int ioread32be(const void __iomem *addr)
return *((u32 *)addr);
}
+#ifdef CONFIG_64BIT
u64 ioread64(const void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr)))
@@ -345,26 +358,7 @@ u64 ioread64be(const void __iomem *addr)
return iomap_ops[ADDR_TO_REGION(addr)]->read64be(addr);
return *((u64 *)addr);
}
-
-u64 ioread64_lo_hi(const void __iomem *addr)
-{
- u32 low, high;
-
- low = ioread32(addr);
- high = ioread32(addr + sizeof(u32));
-
- return low + ((u64)high << 32);
-}
-
-u64 ioread64_hi_lo(const void __iomem *addr)
-{
- u32 low, high;
-
- high = ioread32(addr + sizeof(u32));
- low = ioread32(addr);
-
- return low + ((u64)high << 32);
-}
+#endif
void iowrite8(u8 datum, void __iomem *addr)
{
@@ -411,6 +405,7 @@ void iowrite32be(u32 datum, void __iomem *addr)
}
}
+#ifdef CONFIG_64BIT
void iowrite64(u64 datum, void __iomem *addr)
{
if (unlikely(INDIRECT_ADDR(addr))) {
@@ -428,18 +423,7 @@ void iowrite64be(u64 datum, void __iomem *addr)
*((u64 *)addr) = datum;
}
}
-
-void iowrite64_lo_hi(u64 val, void __iomem *addr)
-{
- iowrite32(val, addr);
- iowrite32(val >> 32, addr + sizeof(u32));
-}
-
-void iowrite64_hi_lo(u64 val, void __iomem *addr)
-{
- iowrite32(val >> 32, addr + sizeof(u32));
- iowrite32(val, addr);
-}
+#endif
/* Repeating interfaces */
@@ -544,19 +528,19 @@ EXPORT_SYMBOL(ioread16);
EXPORT_SYMBOL(ioread16be);
EXPORT_SYMBOL(ioread32);
EXPORT_SYMBOL(ioread32be);
+#ifdef CONFIG_64BIT
EXPORT_SYMBOL(ioread64);
EXPORT_SYMBOL(ioread64be);
-EXPORT_SYMBOL(ioread64_lo_hi);
-EXPORT_SYMBOL(ioread64_hi_lo);
+#endif
EXPORT_SYMBOL(iowrite8);
EXPORT_SYMBOL(iowrite16);
EXPORT_SYMBOL(iowrite16be);
EXPORT_SYMBOL(iowrite32);
EXPORT_SYMBOL(iowrite32be);
+#ifdef CONFIG_64BIT
EXPORT_SYMBOL(iowrite64);
EXPORT_SYMBOL(iowrite64be);
-EXPORT_SYMBOL(iowrite64_lo_hi);
-EXPORT_SYMBOL(iowrite64_hi_lo);
+#endif
EXPORT_SYMBOL(ioread8_rep);
EXPORT_SYMBOL(ioread16_rep);
EXPORT_SYMBOL(ioread32_rep);