diff options
Diffstat (limited to 'arch/arm/include/asm')
-rw-r--r-- | arch/arm/include/asm/atomic.h | 26 | ||||
-rw-r--r-- | arch/arm/include/asm/cache.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/cputype.h | 10 | ||||
-rw-r--r-- | arch/arm/include/asm/glue.h | 26 | ||||
-rw-r--r-- | arch/arm/include/asm/hardware/iop3xx.h | 1 | ||||
-rw-r--r-- | arch/arm/include/asm/mach/mmc.h | 17 | ||||
-rw-r--r-- | arch/arm/include/asm/smp_plat.h | 16 | ||||
-rw-r--r-- | arch/arm/include/asm/socket.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/tcm.h | 31 | ||||
-rw-r--r-- | arch/arm/include/asm/unified.h | 4 | ||||
-rw-r--r-- | arch/arm/include/asm/unistd.h | 1 |
11 files changed, 92 insertions, 44 deletions
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h index 9ed2377..d0daeab 100644 --- a/arch/arm/include/asm/atomic.h +++ b/arch/arm/include/asm/atomic.h @@ -19,31 +19,21 @@ #ifdef __KERNEL__ +/* + * On ARM, ordinary assignment (str instruction) doesn't clear the local + * strex/ldrex monitor on some implementations. The reason we can use it for + * atomic_set() is the clrex or dummy strex done on every exception return. + */ #define atomic_read(v) ((v)->counter) +#define atomic_set(v,i) (((v)->counter) = (i)) #if __LINUX_ARM_ARCH__ >= 6 /* * ARMv6 UP and SMP safe atomic ops. We use load exclusive and * store exclusive to ensure that these are atomic. We may loop - * to ensure that the update happens. Writing to 'v->counter' - * without using the following operations WILL break the atomic - * nature of these ops. + * to ensure that the update happens. */ -static inline void atomic_set(atomic_t *v, int i) -{ - unsigned long tmp; - - __asm__ __volatile__("@ atomic_set\n" -"1: ldrex %0, [%1]\n" -" strex %0, %2, [%1]\n" -" teq %0, #0\n" -" bne 1b" - : "=&r" (tmp) - : "r" (&v->counter), "r" (i) - : "cc"); -} - static inline void atomic_add(int i, atomic_t *v) { unsigned long tmp; @@ -163,8 +153,6 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) #error SMP not supported on pre-ARMv6 CPUs #endif -#define atomic_set(v,i) (((v)->counter) = (i)) - static inline int atomic_add_return(int i, atomic_t *v) { unsigned long flags; diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h index feaa75f..66c160b 100644 --- a/arch/arm/include/asm/cache.h +++ b/arch/arm/include/asm/cache.h @@ -4,7 +4,7 @@ #ifndef __ASMARM_CACHE_H #define __ASMARM_CACHE_H -#define L1_CACHE_SHIFT 5 +#define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) /* diff --git a/arch/arm/include/asm/cputype.h b/arch/arm/include/asm/cputype.h index b3e656c..20ae96c 100644 --- a/arch/arm/include/asm/cputype.h +++ b/arch/arm/include/asm/cputype.h @@ -63,6 +63,11 @@ static inline unsigned int __attribute_const__ read_cpuid_cachetype(void) return read_cpuid(CPUID_CACHETYPE); } +static inline unsigned int __attribute_const__ read_cpuid_tcmstatus(void) +{ + return read_cpuid(CPUID_TCM); +} + /* * Intel's XScale3 core supports some v6 features (supersections, L2) * but advertises itself as v5 as it does not support the v6 ISA. For @@ -73,7 +78,10 @@ static inline unsigned int __attribute_const__ read_cpuid_cachetype(void) #else static inline int cpu_is_xsc3(void) { - if ((read_cpuid_id() & 0xffffe000) == 0x69056000) + unsigned int id; + id = read_cpuid_id() & 0xffffe000; + /* It covers both Intel ID and Marvell ID */ + if ((id == 0x69056000) || (id == 0x56056000)) return 1; return 0; diff --git a/arch/arm/include/asm/glue.h b/arch/arm/include/asm/glue.h index a0e39d5d00..234a3fc 100644 --- a/arch/arm/include/asm/glue.h +++ b/arch/arm/include/asm/glue.h @@ -120,25 +120,39 @@ #endif /* - * Prefetch abort handler. If the CPU has an IFAR use that, otherwise - * use the address of the aborted instruction + * Prefetch Abort Model + * ================ + * + * We have the following to choose from: + * legacy - no IFSR, no IFAR + * v6 - ARMv6: IFSR, no IFAR + * v7 - ARMv7: IFSR and IFAR */ + #undef CPU_PABORT_HANDLER #undef MULTI_PABORT -#ifdef CONFIG_CPU_PABRT_IFAR +#ifdef CONFIG_CPU_PABRT_LEGACY +# ifdef CPU_PABORT_HANDLER +# define MULTI_PABORT 1 +# else +# define CPU_PABORT_HANDLER legacy_pabort +# endif +#endif + +#ifdef CONFIG_CPU_PABRT_V6 # ifdef CPU_PABORT_HANDLER # define MULTI_PABORT 1 # else -# define CPU_PABORT_HANDLER(reg, insn) mrc p15, 0, reg, cr6, cr0, 2 +# define CPU_PABORT_HANDLER v6_pabort # endif #endif -#ifdef CONFIG_CPU_PABRT_NOIFAR +#ifdef CONFIG_CPU_PABRT_V7 # ifdef CPU_PABORT_HANDLER # define MULTI_PABORT 1 # else -# define CPU_PABORT_HANDLER(reg, insn) mov reg, insn +# define CPU_PABORT_HANDLER v7_pabort # endif #endif diff --git a/arch/arm/include/asm/hardware/iop3xx.h b/arch/arm/include/asm/hardware/iop3xx.h index 4b8e7f5..8d60ad2 100644 --- a/arch/arm/include/asm/hardware/iop3xx.h +++ b/arch/arm/include/asm/hardware/iop3xx.h @@ -215,6 +215,7 @@ extern int iop3xx_get_init_atu(void); * IOP3XX I/O and Mem space regions for PCI autoconfiguration */ #define IOP3XX_PCI_LOWER_MEM_PA 0x80000000 +#define IOP3XX_PCI_MEM_WINDOW_SIZE 0x08000000 #define IOP3XX_PCI_IO_WINDOW_SIZE 0x00010000 #define IOP3XX_PCI_LOWER_IO_PA 0x90000000 diff --git a/arch/arm/include/asm/mach/mmc.h b/arch/arm/include/asm/mach/mmc.h deleted file mode 100644 index b490ecc..0000000 --- a/arch/arm/include/asm/mach/mmc.h +++ /dev/null @@ -1,17 +0,0 @@ -/* - * arch/arm/include/asm/mach/mmc.h - */ -#ifndef ASMARM_MACH_MMC_H -#define ASMARM_MACH_MMC_H - -#include <linux/mmc/host.h> - -struct mmc_platform_data { - unsigned int ocr_mask; /* available voltages */ - u32 (*translate_vdd)(struct device *, unsigned int); - unsigned int (*status)(struct device *); - int gpio_wp; - int gpio_cd; -}; - -#endif diff --git a/arch/arm/include/asm/smp_plat.h b/arch/arm/include/asm/smp_plat.h new file mode 100644 index 0000000..59303e2 --- /dev/null +++ b/arch/arm/include/asm/smp_plat.h @@ -0,0 +1,16 @@ +/* + * ARM specific SMP header, this contains our implementation + * details. + */ +#ifndef __ASMARM_SMP_PLAT_H +#define __ASMARM_SMP_PLAT_H + +#include <asm/cputype.h> + +/* all SMP configurations have the extended CPUID registers */ +static inline int tlb_ops_need_broadcast(void) +{ + return ((read_cpuid_ext(CPUID_EXT_MMFR3) >> 12) & 0xf) < 2; +} + +#endif diff --git a/arch/arm/include/asm/socket.h b/arch/arm/include/asm/socket.h index 92ac61d..90ffd04 100644 --- a/arch/arm/include/asm/socket.h +++ b/arch/arm/include/asm/socket.h @@ -60,4 +60,6 @@ #define SO_PROTOCOL 38 #define SO_DOMAIN 39 +#define SO_RXQ_OVFL 40 + #endif /* _ASM_SOCKET_H */ diff --git a/arch/arm/include/asm/tcm.h b/arch/arm/include/asm/tcm.h new file mode 100644 index 0000000..5929ef5 --- /dev/null +++ b/arch/arm/include/asm/tcm.h @@ -0,0 +1,31 @@ +/* + * + * Copyright (C) 2008-2009 ST-Ericsson AB + * License terms: GNU General Public License (GPL) version 2 + * + * Author: Rickard Andersson <rickard.andersson@stericsson.com> + * Author: Linus Walleij <linus.walleij@stericsson.com> + * + */ +#ifndef __ASMARM_TCM_H +#define __ASMARM_TCM_H + +#ifndef CONFIG_HAVE_TCM +#error "You should not be including tcm.h unless you have a TCM!" +#endif + +#include <linux/compiler.h> + +/* Tag variables with this */ +#define __tcmdata __section(.tcm.data) +/* Tag constants with this */ +#define __tcmconst __section(.tcm.rodata) +/* Tag functions inside TCM called from outside TCM with this */ +#define __tcmfunc __attribute__((long_call)) __section(.tcm.text) noinline +/* Tag function inside TCM called from inside TCM with this */ +#define __tcmlocalfunc __section(.tcm.text) + +void *tcm_alloc(size_t len); +void tcm_free(void *addr, size_t len); + +#endif diff --git a/arch/arm/include/asm/unified.h b/arch/arm/include/asm/unified.h index 073e85b..bc63116 100644 --- a/arch/arm/include/asm/unified.h +++ b/arch/arm/include/asm/unified.h @@ -35,7 +35,9 @@ #define ARM(x...) #define THUMB(x...) x +#ifdef __ASSEMBLY__ #define W(instr) instr.w +#endif #define BSYM(sym) sym + 1 #else /* !CONFIG_THUMB2_KERNEL */ @@ -45,7 +47,9 @@ #define ARM(x...) x #define THUMB(x...) +#ifdef __ASSEMBLY__ #define W(instr) instr +#endif #define BSYM(sym) sym #endif /* CONFIG_THUMB2_KERNEL */ diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 89f7ead..7020217 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -456,6 +456,7 @@ * Unimplemented (or alternatively implemented) syscalls */ #define __IGNORE_fadvise64_64 1 +#define __IGNORE_migrate_pages 1 #endif /* __KERNEL__ */ #endif /* __ASM_ARM_UNISTD_H */ |