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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 19:17:19 (GMT) |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-24 19:17:19 (GMT) |
commit | 3fde80e94c2bbffbb13f5faa3340cf438440ebea (patch) | |
tree | 43eeac74dc34596772b9d9883e9208da8ae84184 /include | |
parent | ac9f80ad16e6e934b6c1f12f82d27889c0f9abcc (diff) | |
parent | 9b0e74102494971ca37a425c63031fea68bb5b79 (diff) | |
download | linux-3fde80e94c2bbffbb13f5faa3340cf438440ebea.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: put ColdFire head code into .text.head section
m68knommu: remove last use of CONFIG_FADS and CONFIG_RPXCLASSIC
m68knommu: remove RPXCLASSIC from the m68k tree
m68knommu: fec: remove FADS
m68knommu: MCF5307 PIT GENERIC_CLOCKEVENTS support
m68knommu: add read_barrier_depends() and irqs_disabled_flags()
m68knommu: add byteswap assembly opcode for ISA A+
m68knommu: add ffs and __ffs plattform which support ISA A+ or ISA C
m68knommu: add sched_clock() for the DMA timer
m68knommu: complete generic time
m68knommu: move code within time.c
m68knommu: m68knommu: add old stack trace method
m68knommu: Add Coldfire DMA Timer support
m68knommu: defconfig for M5407C3 board
m68knommu: defconfig for M5307C3 board
m68knommu: defconfig for M5275EVB board
m68knommu: defconfig for M5249EVB board
m68knommu: change to a configs directory for board configurations
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-m68knommu/bitops.h | 30 | ||||
-rw-r--r-- | include/asm-m68knommu/byteorder.h | 16 | ||||
-rw-r--r-- | include/asm-m68knommu/commproc.h | 19 | ||||
-rw-r--r-- | include/asm-m68knommu/system.h | 11 |
4 files changed, 56 insertions, 20 deletions
diff --git a/include/asm-m68knommu/bitops.h b/include/asm-m68knommu/bitops.h index c142fbf..6f3685e 100644 --- a/include/asm-m68knommu/bitops.h +++ b/include/asm-m68knommu/bitops.h @@ -14,8 +14,38 @@ #error only <linux/bitops.h> can be included directly #endif +#if defined (__mcfisaaplus__) || defined (__mcfisac__) +static inline int ffs(unsigned int val) +{ + if (!val) + return 0; + + asm volatile( + "bitrev %0\n\t" + "ff1 %0\n\t" + : "=d" (val) + : "0" (val) + ); + val++; + return val; +} + +static inline int __ffs(unsigned int val) +{ + asm volatile( + "bitrev %0\n\t" + "ff1 %0\n\t" + : "=d" (val) + : "0" (val) + ); + return val; +} + +#else #include <asm-generic/bitops/ffs.h> #include <asm-generic/bitops/__ffs.h> +#endif + #include <asm-generic/bitops/sched.h> #include <asm-generic/bitops/ffz.h> diff --git a/include/asm-m68knommu/byteorder.h b/include/asm-m68knommu/byteorder.h index 8fcde90..20bb442 100644 --- a/include/asm-m68knommu/byteorder.h +++ b/include/asm-m68knommu/byteorder.h @@ -1,13 +1,27 @@ #ifndef _M68KNOMMU_BYTEORDER_H #define _M68KNOMMU_BYTEORDER_H -#include <asm/types.h> +#include <linux/types.h> #if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) # define __BYTEORDER_HAS_U64__ # define __SWAB_64_THRU_32__ #endif +#if defined (__mcfisaaplus__) || defined (__mcfisac__) +static inline __attribute_const__ __u32 ___arch__swab32(__u32 val) +{ + asm( + "byterev %0" + : "=d" (val) + : "0" (val) + ); + return val; +} + +#define __arch__swab32(x) ___arch__swab32(x) +#endif + #include <linux/byteorder/big_endian.h> #endif /* _M68KNOMMU_BYTEORDER_H */ diff --git a/include/asm-m68knommu/commproc.h b/include/asm-m68knommu/commproc.h index 36e870b..edf5eb6 100644 --- a/include/asm-m68knommu/commproc.h +++ b/include/asm-m68knommu/commproc.h @@ -519,25 +519,6 @@ typedef struct scc_enet { #define SICR_ENET_CLKRT ((uint)0x00002c00) #endif -#ifdef CONFIG_RPXCLASSIC -/* Bits in parallel I/O port registers that have to be set/cleared - * to configure the pins for SCC1 use. - */ -#define PA_ENET_RXD ((ushort)0x0001) -#define PA_ENET_TXD ((ushort)0x0002) -#define PA_ENET_TCLK ((ushort)0x0200) -#define PA_ENET_RCLK ((ushort)0x0800) -#define PB_ENET_TENA ((uint)0x00001000) -#define PC_ENET_CLSN ((ushort)0x0010) -#define PC_ENET_RENA ((ushort)0x0020) - -/* Control bits in the SICR to route TCLK (CLK2) and RCLK (CLK4) to - * SCC1. Also, make sure GR1 (bit 24) and SC1 (bit 25) are zero. - */ -#define SICR_ENET_MASK ((uint)0x000000ff) -#define SICR_ENET_CLKRT ((uint)0x0000003d) -#endif - /* SCC Event register as used by Ethernet. */ #define SCCE_ENET_GRA ((ushort)0x0080) /* Graceful stop complete */ diff --git a/include/asm-m68knommu/system.h b/include/asm-m68knommu/system.h index 64c6443..40f49de 100644 --- a/include/asm-m68knommu/system.h +++ b/include/asm-m68knommu/system.h @@ -118,6 +118,8 @@ asmlinkage void resume(void); #define smp_read_barrier_depends() do { } while(0) #endif +#define read_barrier_depends() ((void)0) + #define xchg(ptr,x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) struct __xchg_dummy { unsigned long a[100]; }; @@ -310,4 +312,13 @@ static inline unsigned long __xchg(unsigned long x, volatile void * ptr, int siz #endif #define arch_align_stack(x) (x) + +static inline int irqs_disabled_flags(unsigned long flags) +{ + if (flags & 0x0700) + return 0; + else + return 1; +} + #endif /* _M68KNOMMU_SYSTEM_H */ |