Commit 6ac9b617 authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Li Yang
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soc: fsl: qe: introduce qe_io{read,write}* wrappers 



The QUICC engine drivers use the powerpc-specific out_be32() etc. In
order to allow those drivers to build for other architectures, those
must be replaced by iowrite32be(). However, on powerpc, out_be32() is
a simple inline function while iowrite32be() is out-of-line. So in
order not to introduce a performance regression on powerpc when making
the drivers work on other architectures, introduce qe_io* helpers.

Also define the qe_{clr,set,clrset}bits* helpers in terms of these new
macros.

Reviewed-by: default avatarTimur Tabi <timur@kernel.org>
Signed-off-by: default avatarRasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: default avatarLi Yang <leoyang.li@nxp.com>
parent d9d95bca

include/soc/fsl/qe/qe.h

+25 −9
Original line number Diff line number Diff line
@@ -241,21 +241,37 @@ static inline int qe_alive_during_sleep(void) 
#define qe_muram_offset cpm_muram_offset

#define qe_muram_dma cpm_muram_dma



#define qe_setbits_be32(_addr, _v) iowrite32be(ioread32be(_addr) |  (_v), (_addr))

#define qe_clrbits_be32(_addr, _v) iowrite32be(ioread32be(_addr) & ~(_v), (_addr))

#ifdef CONFIG_PPC32

#define qe_iowrite8(val, addr)     out_8(addr, val)

#define qe_iowrite16be(val, addr)  out_be16(addr, val)

#define qe_iowrite32be(val, addr)  out_be32(addr, val)

#define qe_ioread8(addr)           in_8(addr)

#define qe_ioread16be(addr)        in_be16(addr)

#define qe_ioread32be(addr)        in_be32(addr)

#else

#define qe_iowrite8(val, addr)     iowrite8(val, addr)

#define qe_iowrite16be(val, addr)  iowrite16be(val, addr)

#define qe_iowrite32be(val, addr)  iowrite32be(val, addr)

#define qe_ioread8(addr)           ioread8(addr)

#define qe_ioread16be(addr)        ioread16be(addr)

#define qe_ioread32be(addr)        ioread32be(addr)

#endif



#define qe_setbits_be32(_addr, _v) qe_iowrite32be(qe_ioread32be(_addr) |  (_v), (_addr))

#define qe_clrbits_be32(_addr, _v) qe_iowrite32be(qe_ioread32be(_addr) & ~(_v), (_addr))



#define qe_setbits_be16(_addr, _v) iowrite16be(ioread16be(_addr) |  (_v), (_addr))

#define qe_clrbits_be16(_addr, _v) iowrite16be(ioread16be(_addr) & ~(_v), (_addr))

#define qe_setbits_be16(_addr, _v) qe_iowrite16be(qe_ioread16be(_addr) |  (_v), (_addr))

#define qe_clrbits_be16(_addr, _v) qe_iowrite16be(qe_ioread16be(_addr) & ~(_v), (_addr))



#define qe_setbits_8(_addr, _v) iowrite8(ioread8(_addr) |  (_v), (_addr))

#define qe_clrbits_8(_addr, _v) iowrite8(ioread8(_addr) & ~(_v), (_addr))

#define qe_setbits_8(_addr, _v) qe_iowrite8(qe_ioread8(_addr) |  (_v), (_addr))

#define qe_clrbits_8(_addr, _v) qe_iowrite8(qe_ioread8(_addr) & ~(_v), (_addr))



#define qe_clrsetbits_be32(addr, clear, set) \

	iowrite32be((ioread32be(addr) & ~(clear)) | (set), (addr))

	qe_iowrite32be((qe_ioread32be(addr) & ~(clear)) | (set), (addr))

#define qe_clrsetbits_be16(addr, clear, set) \

	iowrite16be((ioread16be(addr) & ~(clear)) | (set), (addr))

	qe_iowrite16be((qe_ioread16be(addr) & ~(clear)) | (set), (addr))

#define qe_clrsetbits_8(addr, clear, set) \

	iowrite8((ioread8(addr) & ~(clear)) | (set), (addr))

	qe_iowrite8((qe_ioread8(addr) & ~(clear)) | (set), (addr))



/* Structure that defines QE firmware binary files.

 *