summaryrefslogtreecommitdiffstats
path: root/arch/arm/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/include')
-rw-r--r--arch/arm/include/asm/atomic.h26
-rw-r--r--arch/arm/include/asm/cache.h2
-rw-r--r--arch/arm/include/asm/cputype.h10
-rw-r--r--arch/arm/include/asm/glue.h26
-rw-r--r--arch/arm/include/asm/hardware/iop3xx.h1
-rw-r--r--arch/arm/include/asm/mach/mmc.h17
-rw-r--r--arch/arm/include/asm/smp_plat.h16
-rw-r--r--arch/arm/include/asm/socket.h2
-rw-r--r--arch/arm/include/asm/tcm.h31
-rw-r--r--arch/arm/include/asm/unified.h4
-rw-r--r--arch/arm/include/asm/unistd.h1
11 files changed, 92 insertions, 44 deletions
diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
index 9ed2377fe8e5..d0daeab2234e 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 feaa75f0013e..66c160b8547f 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 b3e656c6fb78..20ae96cc0020 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 a0e39d5d00c9..234a3fc1c78e 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 4b8e7f559929..8d60ad267e3a 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 b490ecc79def..000000000000
--- 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 000000000000..59303e200845
--- /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 92ac61d294fd..90ffd04b8e74 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 000000000000..5929ef5d927a
--- /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 073e85b9b961..bc631161e9c6 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 89f7eade20af..7020217fc49f 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 */
generated by cgit v1.2.3 (git 2.39.1) at 2025-03-21 05:06:29 +0000