Message ID | 1403561756-12238-1-git-send-email-yorksun@freescale.com |
---|---|
State | Accepted |
Delegated to: | Albert ARIBAUD |
Headers | show |
Hi York, On Mon, 23 Jun 2014 15:15:52 -0700, York Sun <yorksun@freescale.com> wrote: > From: "J. German Rivera" <German.Rivera@freescale.com> > > This is needed for accessing peripherals with 64-bit MMIO registers, > from ARMv8 processors. > > Signed-off-by: J. German Rivera <German.Rivera@freescale.com> > --- > Change log > v9: no change > v8: no change > v7: no change > v6: no change > v5: no change > v4: no change > v3: no change > > arch/arm/include/asm/io.h | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h > index 6a1f05a..95528dd 100644 > --- a/arch/arm/include/asm/io.h > +++ b/arch/arm/include/asm/io.h > @@ -70,10 +70,12 @@ static inline phys_addr_t virt_to_phys(void * vaddr) > #define __arch_getb(a) (*(volatile unsigned char *)(a)) > #define __arch_getw(a) (*(volatile unsigned short *)(a)) > #define __arch_getl(a) (*(volatile unsigned int *)(a)) > +#define __arch_getq(a) (*(volatile unsigned long long *)(a)) > > #define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v)) > #define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) > #define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) > +#define __arch_putq(v,a) (*(volatile unsigned long long *)(a) = (v)) > > extern inline void __raw_writesb(unsigned long addr, const void *data, > int bytelen) > @@ -123,10 +125,12 @@ extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) > #define __raw_writeb(v,a) __arch_putb(v,a) > #define __raw_writew(v,a) __arch_putw(v,a) > #define __raw_writel(v,a) __arch_putl(v,a) > +#define __raw_writeq(v,a) __arch_putq(v,a) > > #define __raw_readb(a) __arch_getb(a) > #define __raw_readw(a) __arch_getw(a) > #define __raw_readl(a) __arch_getl(a) > +#define __raw_readq(a) __arch_getq(a) > > /* > * TODO: The kernel offers some more advanced versions of barriers, it might > @@ -139,10 +143,12 @@ extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) > #define writeb(v,c) ({ u8 __v = v; __iowmb(); __arch_putb(__v,c); __v; }) > #define writew(v,c) ({ u16 __v = v; __iowmb(); __arch_putw(__v,c); __v; }) > #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; }) > +#define writeq(v,c) ({ u64 __v = v; __iowmb(); __arch_putq(__v,c); __v; }) > > #define readb(c) ({ u8 __v = __arch_getb(c); __iormb(); __v; }) > #define readw(c) ({ u16 __v = __arch_getw(c); __iormb(); __v; }) > #define readl(c) ({ u32 __v = __arch_getl(c); __iormb(); __v; }) > +#define readq(c) ({ u64 __v = __arch_getq(c); __iormb(); __v; }) > > /* > * The compiler seems to be incapable of optimising constants > @@ -168,9 +174,11 @@ extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) > #define out_arch(type,endian,a,v) __raw_write##type(cpu_to_##endian(v),a) > #define in_arch(type,endian,a) endian##_to_cpu(__raw_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) > Series applied to u-boot-arm/master (with a slight manual fix to boards.cfg in 1/5), thanks! Amicalement,
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index 6a1f05a..95528dd 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -70,10 +70,12 @@ static inline phys_addr_t virt_to_phys(void * vaddr) #define __arch_getb(a) (*(volatile unsigned char *)(a)) #define __arch_getw(a) (*(volatile unsigned short *)(a)) #define __arch_getl(a) (*(volatile unsigned int *)(a)) +#define __arch_getq(a) (*(volatile unsigned long long *)(a)) #define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v)) #define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) #define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) +#define __arch_putq(v,a) (*(volatile unsigned long long *)(a) = (v)) extern inline void __raw_writesb(unsigned long addr, const void *data, int bytelen) @@ -123,10 +125,12 @@ extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) #define __raw_writeb(v,a) __arch_putb(v,a) #define __raw_writew(v,a) __arch_putw(v,a) #define __raw_writel(v,a) __arch_putl(v,a) +#define __raw_writeq(v,a) __arch_putq(v,a) #define __raw_readb(a) __arch_getb(a) #define __raw_readw(a) __arch_getw(a) #define __raw_readl(a) __arch_getl(a) +#define __raw_readq(a) __arch_getq(a) /* * TODO: The kernel offers some more advanced versions of barriers, it might @@ -139,10 +143,12 @@ extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) #define writeb(v,c) ({ u8 __v = v; __iowmb(); __arch_putb(__v,c); __v; }) #define writew(v,c) ({ u16 __v = v; __iowmb(); __arch_putw(__v,c); __v; }) #define writel(v,c) ({ u32 __v = v; __iowmb(); __arch_putl(__v,c); __v; }) +#define writeq(v,c) ({ u64 __v = v; __iowmb(); __arch_putq(__v,c); __v; }) #define readb(c) ({ u8 __v = __arch_getb(c); __iormb(); __v; }) #define readw(c) ({ u16 __v = __arch_getw(c); __iormb(); __v; }) #define readl(c) ({ u32 __v = __arch_getl(c); __iormb(); __v; }) +#define readq(c) ({ u64 __v = __arch_getq(c); __iormb(); __v; }) /* * The compiler seems to be incapable of optimising constants @@ -168,9 +174,11 @@ extern inline void __raw_readsl(unsigned long addr, void *data, int longlen) #define out_arch(type,endian,a,v) __raw_write##type(cpu_to_##endian(v),a) #define in_arch(type,endian,a) endian##_to_cpu(__raw_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)