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authorBin Meng <bmeng.cn@gmail.com>2017-08-04 05:52:44 (GMT)
committerBin Meng <bmeng.cn@gmail.com>2017-08-08 08:46:32 (GMT)
commit091e51d20fcf3d4ec2fdc6e8a1f302be8ad49061 (patch)
tree36dcfdf8357c037057d8bce0df9db37a15601bf3
parenteaa90e5df2a4a1cb12fb73571978a9379242d0b5 (diff)
downloadu-boot-fsl-qoriq-091e51d20fcf3d4ec2fdc6e8a1f302be8ad49061.tar.xz
x86: Remove dead ISA related codes
Neither new design uses ISA bus, nor does any U-Boot codes use these codes. Remove them. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
-rw-r--r--arch/x86/include/asm/io.h74
1 files changed, 8 insertions, 66 deletions
diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h
index 3156781..a72daf2 100644
--- a/arch/x86/include/asm/io.h
+++ b/arch/x86/include/asm/io.h
@@ -1,3 +1,10 @@
+/*
+ * (C) Copyright 2000-2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
#ifndef _ASM_IO_H
#define _ASM_IO_H
@@ -118,71 +125,6 @@
#define setbits_8(addr, set) setbits(8, addr, set)
#define clrsetbits_8(addr, clear, set) clrsetbits(8, addr, clear, set)
-/*
- * ISA space is 'always mapped' on a typical x86 system, no need to
- * explicitly ioremap() it. The fact that the ISA IO space is mapped
- * to PAGE_OFFSET is pure coincidence - it does not mean ISA values
- * are physical addresses. The following constant pointer can be
- * used as the IO-area pointer (it can be iounmapped as well, so the
- * analogy with PCI is quite large):
- */
-#define isa_readb(a) readb((a))
-#define isa_readw(a) readw((a))
-#define isa_readl(a) readl((a))
-#define isa_writeb(b,a) writeb(b,(a))
-#define isa_writew(w,a) writew(w,(a))
-#define isa_writel(l,a) writel(l,(a))
-#define isa_memset_io(a,b,c) memset_io((a),(b),(c))
-#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a),(b),(c))
-#define isa_memcpy_toio(a,b,c) memcpy_toio((a),(b),(c))
-
-
-static inline int check_signature(unsigned long io_addr,
- const unsigned char *signature, int length)
-{
- int retval = 0;
- do {
- if (readb(io_addr) != *signature)
- goto out;
- io_addr++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
-}
-
-/**
- * isa_check_signature - find BIOS signatures
- * @io_addr: mmio address to check
- * @signature: signature block
- * @length: length of signature
- *
- * Perform a signature comparison with the ISA mmio address io_addr.
- * Returns 1 on a match.
- *
- * This function is deprecated. New drivers should use ioremap and
- * check_signature.
- */
-
-
-static inline int isa_check_signature(unsigned long io_addr,
- const unsigned char *signature, int length)
-{
- int retval = 0;
- do {
- if (isa_readb(io_addr) != *signature)
- goto out;
- io_addr++;
- signature++;
- length--;
- } while (length);
- retval = 1;
-out:
- return retval;
-}
-
#endif /* __KERNEL__ */
#ifdef SLOW_IO_BY_JUMPING
@@ -325,4 +267,4 @@ static inline phys_addr_t virt_to_phys(void * vaddr)
#define __iormb() dmb()
#define __iowmb() dmb()
-#endif
+#endif /* _ASM_IO_H */