ca5999fde0
The include/linux/pgtable.h is going to be the home of generic page table manipulation functions. Start with moving asm-generic/pgtable.h to include/linux/pgtable.h and make the latter include asm/pgtable.h. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-3-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
99 lines
2.2 KiB
C
99 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* ide.h: SPARC PCI specific IDE glue.
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*
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* Copyright (C) 1997 David S. Miller (davem@davemloft.net)
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* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
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* Adaptation from sparc64 version to sparc by Pete Zaitcev.
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*/
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#ifndef _SPARC_IDE_H
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#define _SPARC_IDE_H
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#ifdef __KERNEL__
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#include <asm/io.h>
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#ifdef CONFIG_SPARC64
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#include <asm/pgalloc.h>
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#include <asm/spitfire.h>
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#include <asm/cacheflush.h>
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#include <asm/page.h>
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#else
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#include <linux/pgtable.h>
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#include <asm/psr.h>
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#endif
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#define __ide_insl(data_reg, buffer, wcount) \
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__ide_insw(data_reg, buffer, (wcount)<<1)
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#define __ide_outsl(data_reg, buffer, wcount) \
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__ide_outsw(data_reg, buffer, (wcount)<<1)
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/* On sparc, I/O ports and MMIO registers are accessed identically. */
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#define __ide_mm_insw __ide_insw
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#define __ide_mm_insl __ide_insl
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#define __ide_mm_outsw __ide_outsw
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#define __ide_mm_outsl __ide_outsl
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static inline void __ide_insw(void __iomem *port, void *dst, u32 count)
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{
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#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
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unsigned long end = (unsigned long)dst + (count << 1);
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#endif
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u16 *ps = dst;
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u32 *pi;
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if(((unsigned long)ps) & 0x2) {
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*ps++ = __raw_readw(port);
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count--;
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}
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pi = (u32 *)ps;
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while(count >= 2) {
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u32 w;
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w = __raw_readw(port) << 16;
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w |= __raw_readw(port);
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*pi++ = w;
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count -= 2;
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}
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ps = (u16 *)pi;
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if(count)
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*ps++ = __raw_readw(port);
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#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
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__flush_dcache_range((unsigned long)dst, end);
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#endif
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}
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static inline void __ide_outsw(void __iomem *port, const void *src, u32 count)
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{
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#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
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unsigned long end = (unsigned long)src + (count << 1);
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#endif
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const u16 *ps = src;
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const u32 *pi;
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if(((unsigned long)src) & 0x2) {
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__raw_writew(*ps++, port);
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count--;
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}
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pi = (const u32 *)ps;
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while(count >= 2) {
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u32 w;
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w = *pi++;
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__raw_writew((w >> 16), port);
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__raw_writew(w, port);
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count -= 2;
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}
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ps = (const u16 *)pi;
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if(count)
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__raw_writew(*ps, port);
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#if defined(CONFIG_SPARC64) && defined(DCACHE_ALIASING_POSSIBLE)
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__flush_dcache_range((unsigned long)src, end);
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#endif
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}
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#endif /* __KERNEL__ */
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#endif /* _SPARC_IDE_H */
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