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authorDavid S. Miller <davem@davemloft.net>2012-05-14 22:02:08 -0700
committerDavid S. Miller <davem@davemloft.net>2012-05-15 10:22:00 -0700
commitc7020eb4661eaf568a277056258a387ef88a9349 (patch)
tree4875adf04fa47e5da1a2cc7c2376ce876b784c09 /arch/sparc/include
parentsparc64: Remove pointless assignment in floppy support. (diff)
downloadlinux-dev-c7020eb4661eaf568a277056258a387ef88a9349.tar.xz
linux-dev-c7020eb4661eaf568a277056258a387ef88a9349.zip
sparc32: Remove cypress cpu support.
It's the one aberration in v8, the only cpu that didn't actually have hardware multiply and divide instructions. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'arch/sparc/include')
-rw-r--r--arch/sparc/include/asm/cypress.h79
-rw-r--r--arch/sparc/include/asm/elf_32.h12
-rw-r--r--arch/sparc/include/asm/mbus.h4
3 files changed, 3 insertions, 92 deletions
diff --git a/arch/sparc/include/asm/cypress.h b/arch/sparc/include/asm/cypress.h
deleted file mode 100644
index 95e9772ea394..000000000000
--- a/arch/sparc/include/asm/cypress.h
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * cypress.h: Cypress module specific definitions and defines.
- *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
- */
-
-#ifndef _SPARC_CYPRESS_H
-#define _SPARC_CYPRESS_H
-
-/* Cypress chips have %psr 'impl' of '0001' and 'vers' of '0001'. */
-
-/* The MMU control register fields on the Sparc Cypress 604/605 MMU's.
- *
- * ---------------------------------------------------------------
- * |implvers| MCA | MCM |MV| MID |BM| C|RSV|MR|CM|CL|CE|RSV|NF|ME|
- * ---------------------------------------------------------------
- * 31 24 23-22 21-20 19 18-15 14 13 12 11 10 9 8 7-2 1 0
- *
- * MCA: MultiChip Access -- Used for configuration of multiple
- * CY7C604/605 cache units.
- * MCM: MultiChip Mask -- Again, for multiple cache unit config.
- * MV: MultiChip Valid -- Indicates MCM and MCA have valid settings.
- * MID: ModuleID -- Unique processor ID for MBus transactions. (605 only)
- * BM: Boot Mode -- 0 = not in boot mode, 1 = in boot mode
- * C: Cacheable -- Indicates whether accesses are cacheable while
- * the MMU is off. 0=no 1=yes
- * MR: MemoryReflection -- Indicates whether the bus attached to the
- * MBus supports memory reflection. 0=no 1=yes (605 only)
- * CM: CacheMode -- Indicates whether the cache is operating in write
- * through or copy-back mode. 0=write-through 1=copy-back
- * CL: CacheLock -- Indicates if the entire cache is locked or not.
- * 0=not-locked 1=locked (604 only)
- * CE: CacheEnable -- Is the virtual cache on? 0=no 1=yes
- * NF: NoFault -- Do faults generate traps? 0=yes 1=no
- * ME: MmuEnable -- Is the MMU doing translations? 0=no 1=yes
- */
-
-#define CYPRESS_MCA 0x00c00000
-#define CYPRESS_MCM 0x00300000
-#define CYPRESS_MVALID 0x00080000
-#define CYPRESS_MIDMASK 0x00078000 /* Only on 605 */
-#define CYPRESS_BMODE 0x00004000
-#define CYPRESS_ACENABLE 0x00002000
-#define CYPRESS_MRFLCT 0x00000800 /* Only on 605 */
-#define CYPRESS_CMODE 0x00000400
-#define CYPRESS_CLOCK 0x00000200 /* Only on 604 */
-#define CYPRESS_CENABLE 0x00000100
-#define CYPRESS_NFAULT 0x00000002
-#define CYPRESS_MENABLE 0x00000001
-
-static inline void cypress_flush_page(unsigned long page)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (page), "i" (ASI_M_FLUSH_PAGE));
-}
-
-static inline void cypress_flush_segment(unsigned long addr)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (addr), "i" (ASI_M_FLUSH_SEG));
-}
-
-static inline void cypress_flush_region(unsigned long addr)
-{
- __asm__ __volatile__("sta %%g0, [%0] %1\n\t" : :
- "r" (addr), "i" (ASI_M_FLUSH_REGION));
-}
-
-static inline void cypress_flush_context(void)
-{
- __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t" : :
- "i" (ASI_M_FLUSH_CTX));
-}
-
-/* XXX Displacement flushes for buggy chips and initial testing
- * XXX go here.
- */
-
-#endif /* !(_SPARC_CYPRESS_H) */
diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h
index b5beb114d229..2d4d755cba9e 100644
--- a/arch/sparc/include/asm/elf_32.h
+++ b/arch/sparc/include/asm/elf_32.h
@@ -118,15 +118,9 @@ typedef struct {
instruction set this cpu supports. This can NOT be done in userspace
on Sparc. */
-/* Most sun4m's have them all.
- * XXX This is gross, set some global variable at boot time. -DaveM
- */
-#define ELF_HWCAP ((HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
- HWCAP_SPARC_SWAP | \
- ((srmmu_modtype != Cypress && \
- srmmu_modtype != Cypress_vE && \
- srmmu_modtype != Cypress_vD) ? \
- HWCAP_SPARC_MULDIV : 0)))
+/* Most sun4m's have them all. */
+#define ELF_HWCAP (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR | \
+ HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV)
/* This yields a string that ld.so will use to load implementation
specific libraries for optimization. This is more specific in
diff --git a/arch/sparc/include/asm/mbus.h b/arch/sparc/include/asm/mbus.h
index 69f07a022ee6..14128bcc5821 100644
--- a/arch/sparc/include/asm/mbus.h
+++ b/arch/sparc/include/asm/mbus.h
@@ -8,14 +8,10 @@
#define _SPARC_MBUS_H
#include <asm/ross.h> /* HyperSparc stuff */
-#include <asm/cypress.h> /* Cypress Chips */
#include <asm/viking.h> /* Ugh, bug city... */
enum mbus_module {
HyperSparc = 0,
- Cypress = 1,
- Cypress_vE = 2,
- Cypress_vD = 3,
Swift_ok = 4,
Swift_bad_c = 5,
Swift_lots_o_bugs = 6,