summaryrefslogtreecommitdiff
path: root/arch/microblaze/include
diff options
context:
space:
mode:
Diffstat (limited to 'arch/microblaze/include')
-rw-r--r--arch/microblaze/include/asm/cache.h16
-rw-r--r--arch/microblaze/include/asm/cacheflush.h123
-rw-r--r--arch/microblaze/include/asm/cpuinfo.h5
-rw-r--r--arch/microblaze/include/asm/device.h12
-rw-r--r--arch/microblaze/include/asm/ftrace.h25
-rw-r--r--arch/microblaze/include/asm/futex.h127
-rw-r--r--arch/microblaze/include/asm/irqflags.h112
-rw-r--r--arch/microblaze/include/asm/page.h3
-rw-r--r--arch/microblaze/include/asm/pgalloc.h9
-rw-r--r--arch/microblaze/include/asm/pvr.h30
-rw-r--r--arch/microblaze/include/asm/setup.h2
-rw-r--r--arch/microblaze/include/asm/system.h2
-rw-r--r--arch/microblaze/include/asm/uaccess.h12
13 files changed, 313 insertions, 165 deletions
diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h
index c209c47509d..e52210891d7 100644
--- a/arch/microblaze/include/asm/cache.h
+++ b/arch/microblaze/include/asm/cache.h
@@ -21,20 +21,4 @@
#define SMP_CACHE_BYTES L1_CACHE_BYTES
-void _enable_icache(void);
-void _disable_icache(void);
-void _invalidate_icache(unsigned int addr);
-
-#define __enable_icache() _enable_icache()
-#define __disable_icache() _disable_icache()
-#define __invalidate_icache(addr) _invalidate_icache(addr)
-
-void _enable_dcache(void);
-void _disable_dcache(void);
-void _invalidate_dcache(unsigned int addr);
-
-#define __enable_dcache() _enable_dcache()
-#define __disable_dcache() _disable_dcache()
-#define __invalidate_dcache(addr) _invalidate_dcache(addr)
-
#endif /* _ASM_MICROBLAZE_CACHE_H */
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index 088076e657b..a6edd356cd0 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -18,6 +18,8 @@
/* Somebody depends on this; sigh... */
#include <linux/mm.h>
+/* Look at Documentation/cachetlb.txt */
+
/*
* Cache handling functions.
* Microblaze has a write-through data cache, meaning that the data cache
@@ -27,78 +29,81 @@
* instruction cache to make sure we don't fetch old, bad code.
*/
+/* struct cache, d=dcache, i=icache, fl = flush, iv = invalidate,
+ * suffix r = range */
+struct scache {
+ /* icache */
+ void (*ie)(void); /* enable */
+ void (*id)(void); /* disable */
+ void (*ifl)(void); /* flush */
+ void (*iflr)(unsigned long a, unsigned long b);
+ void (*iin)(void); /* invalidate */
+ void (*iinr)(unsigned long a, unsigned long b);
+ /* dcache */
+ void (*de)(void); /* enable */
+ void (*dd)(void); /* disable */
+ void (*dfl)(void); /* flush */
+ void (*dflr)(unsigned long a, unsigned long b);
+ void (*din)(void); /* invalidate */
+ void (*dinr)(unsigned long a, unsigned long b);
+};
+
+/* microblaze cache */
+extern struct scache *mbc;
+
+void microblaze_cache_init(void);
+
+#define enable_icache() mbc->ie();
+#define disable_icache() mbc->id();
+#define flush_icache() mbc->ifl();
+#define flush_icache_range(start, end) mbc->iflr(start, end);
+#define invalidate_icache() mbc->iin();
+#define invalidate_icache_range(start, end) mbc->iinr(start, end);
+
+
+#define flush_icache_user_range(vma, pg, adr, len) flush_icache();
+#define flush_icache_page(vma, pg) do { } while (0)
+
+#define enable_dcache() mbc->de();
+#define disable_dcache() mbc->dd();
/* FIXME for LL-temac driver */
-#define invalidate_dcache_range(start, end) \
- __invalidate_dcache_range(start, end)
-
-#define flush_cache_all() __invalidate_cache_all()
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) __invalidate_cache_all()
-#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
+#define invalidate_dcache() mbc->din();
+#define invalidate_dcache_range(start, end) mbc->dinr(start, end);
+#define flush_dcache() mbc->dfl();
+#define flush_dcache_range(start, end) mbc->dflr(start, end);
-#define flush_dcache_range(start, end) __invalidate_dcache_range(start, end)
#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0
+/* D-cache aliasing problem can't happen - cache is between MMU and ram */
#define flush_dcache_page(page) do { } while (0)
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-#define flush_icache_range(start, len) __invalidate_icache_range(start, len)
-#define flush_icache_page(vma, pg) do { } while (0)
-
-#ifndef CONFIG_MMU
-# define flush_icache_user_range(start, len) do { } while (0)
-#else
-# define flush_icache_user_range(vma, pg, adr, len) __invalidate_icache_all()
-
-# define flush_page_to_ram(page) do { } while (0)
-# define flush_icache() __invalidate_icache_all()
-# define flush_cache_sigtramp(vaddr) \
- __invalidate_icache_range(vaddr, vaddr + 8)
-
-# define flush_dcache_mmap_lock(mapping) do { } while (0)
-# define flush_dcache_mmap_unlock(mapping) do { } while (0)
+#define flush_cache_dup_mm(mm) do { } while (0)
+#define flush_cache_vmap(start, end) do { } while (0)
+#define flush_cache_vunmap(start, end) do { } while (0)
+#define flush_cache_mm(mm) do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn) do { } while (0)
-# define flush_cache_dup_mm(mm) do { } while (0)
+/* MS: kgdb code use this macro, wrong len with FLASH */
+#if 0
+#define flush_cache_range(vma, start, len) { \
+ flush_icache_range((unsigned) (start), (unsigned) (start) + (len)); \
+ flush_dcache_range((unsigned) (start), (unsigned) (start) + (len)); \
+}
#endif
-#define flush_cache_vmap(start, end) do { } while (0)
-#define flush_cache_vunmap(start, end) do { } while (0)
-
-struct page;
-struct mm_struct;
-struct vm_area_struct;
-
-/* see arch/microblaze/kernel/cache.c */
-extern void __invalidate_icache_all(void);
-extern void __invalidate_icache_range(unsigned long start, unsigned long end);
-extern void __invalidate_icache_page(struct vm_area_struct *vma,
- struct page *page);
-extern void __invalidate_icache_user_range(struct vm_area_struct *vma,
- struct page *page,
- unsigned long adr, int len);
-extern void __invalidate_cache_sigtramp(unsigned long addr);
-
-extern void __invalidate_dcache_all(void);
-extern void __invalidate_dcache_range(unsigned long start, unsigned long end);
-extern void __invalidate_dcache_page(struct vm_area_struct *vma,
- struct page *page);
-extern void __invalidate_dcache_user_range(struct vm_area_struct *vma,
- struct page *page,
- unsigned long adr, int len);
-
-extern inline void __invalidate_cache_all(void)
-{
- __invalidate_icache_all();
- __invalidate_dcache_all();
-}
+#define flush_cache_range(vma, start, len) do { } while (0)
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { memcpy((dst), (src), (len)); \
- flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
+#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
+do { \
+ memcpy((dst), (src), (len)); \
+ flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \
} while (0)
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
- memcpy((dst), (src), (len))
+#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
+do { \
+ memcpy((dst), (src), (len)); \
+} while (0)
#endif /* _ASM_MICROBLAZE_CACHEFLUSH_H */
diff --git a/arch/microblaze/include/asm/cpuinfo.h b/arch/microblaze/include/asm/cpuinfo.h
index 52f28f6dc4e..b4f5ca33aeb 100644
--- a/arch/microblaze/include/asm/cpuinfo.h
+++ b/arch/microblaze/include/asm/cpuinfo.h
@@ -43,7 +43,7 @@ struct cpuinfo {
u32 use_icache;
u32 icache_tagbits;
u32 icache_write;
- u32 icache_line;
+ u32 icache_line_length;
u32 icache_size;
unsigned long icache_base;
unsigned long icache_high;
@@ -51,8 +51,9 @@ struct cpuinfo {
u32 use_dcache;
u32 dcache_tagbits;
u32 dcache_write;
- u32 dcache_line;
+ u32 dcache_line_length;
u32 dcache_size;
+ u32 dcache_wb;
unsigned long dcache_base;
unsigned long dcache_high;
diff --git a/arch/microblaze/include/asm/device.h b/arch/microblaze/include/asm/device.h
index 30286db27c1..78a038452c0 100644
--- a/arch/microblaze/include/asm/device.h
+++ b/arch/microblaze/include/asm/device.h
@@ -19,6 +19,18 @@ struct dev_archdata {
struct pdev_archdata {
};
+static inline void dev_archdata_set_node(struct dev_archdata *ad,
+ struct device_node *np)
+{
+ ad->of_node = np;
+}
+
+static inline struct device_node *
+dev_archdata_get_node(const struct dev_archdata *ad)
+{
+ return ad->of_node;
+}
+
#endif /* _ASM_MICROBLAZE_DEVICE_H */
diff --git a/arch/microblaze/include/asm/ftrace.h b/arch/microblaze/include/asm/ftrace.h
index 8b137891791..fd2fa2eca62 100644
--- a/arch/microblaze/include/asm/ftrace.h
+++ b/arch/microblaze/include/asm/ftrace.h
@@ -1 +1,26 @@
+#ifndef _ASM_MICROBLAZE_FTRACE
+#define _ASM_MICROBLAZE_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
+
+#define MCOUNT_ADDR ((long)(_mcount))
+#define MCOUNT_INSN_SIZE 8 /* sizeof mcount call */
+
+#ifndef __ASSEMBLY__
+extern void _mcount(void);
+extern void ftrace_call_graph(void);
+#endif
+
+#ifdef CONFIG_DYNAMIC_FTRACE
+/* reloction of mcount call site is the same as the address */
+static inline unsigned long ftrace_call_adjust(unsigned long addr)
+{
+ return addr;
+}
+
+struct dyn_arch_ftrace {
+};
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+#endif /* CONFIG_FUNCTION_TRACER */
+#endif /* _ASM_MICROBLAZE_FTRACE */
diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h
index 0b745828f42..8dbb6e7a03a 100644
--- a/arch/microblaze/include/asm/futex.h
+++ b/arch/microblaze/include/asm/futex.h
@@ -1 +1,126 @@
-#include <asm-generic/futex.h>
+#ifndef _ASM_MICROBLAZE_FUTEX_H
+#define _ASM_MICROBLAZE_FUTEX_H
+
+#ifdef __KERNEL__
+
+#include <linux/futex.h>
+#include <linux/uaccess.h>
+#include <asm/errno.h>
+
+#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \
+({ \
+ __asm__ __volatile__ ( \
+ "1: lwx %0, %2, r0; " \
+ insn \
+ "2: swx %1, %2, r0; \
+ addic %1, r0, 0; \
+ bnei %1, 1b; \
+ 3: \
+ .section .fixup,\"ax\"; \
+ 4: brid 3b; \
+ addik %1, r0, %3; \
+ .previous; \
+ .section __ex_table,\"a\"; \
+ .word 1b,4b,2b,4b; \
+ .previous;" \
+ : "=&r" (oldval), "=&r" (ret) \
+ : "b" (uaddr), "i" (-EFAULT), "r" (oparg) \
+ ); \
+})
+
+static inline int
+futex_atomic_op_inuser(int encoded_op, int __user *uaddr)
+{
+ int op = (encoded_op >> 28) & 7;
+ int cmp = (encoded_op >> 24) & 15;
+ int oparg = (encoded_op << 8) >> 20;
+ int cmparg = (encoded_op << 20) >> 20;
+ int oldval = 0, ret;
+ if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
+ oparg = 1 << oparg;
+
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ pagefault_disable();
+
+ switch (op) {
+ case FUTEX_OP_SET:
+ __futex_atomic_op("or %1,%4,%4;", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_ADD:
+ __futex_atomic_op("add %1,%0,%4;", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_OR:
+ __futex_atomic_op("or %1,%0,%4;", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_ANDN:
+ __futex_atomic_op("and %1,%0,%4;", ret, oldval, uaddr, oparg);
+ break;
+ case FUTEX_OP_XOR:
+ __futex_atomic_op("xor %1,%0,%4;", ret, oldval, uaddr, oparg);
+ break;
+ default:
+ ret = -ENOSYS;
+ }
+
+ pagefault_enable();
+
+ if (!ret) {
+ switch (cmp) {
+ case FUTEX_OP_CMP_EQ:
+ ret = (oldval == cmparg);
+ break;
+ case FUTEX_OP_CMP_NE:
+ ret = (oldval != cmparg);
+ break;
+ case FUTEX_OP_CMP_LT:
+ ret = (oldval < cmparg);
+ break;
+ case FUTEX_OP_CMP_GE:
+ ret = (oldval >= cmparg);
+ break;
+ case FUTEX_OP_CMP_LE:
+ ret = (oldval <= cmparg);
+ break;
+ case FUTEX_OP_CMP_GT:
+ ret = (oldval > cmparg);
+ break;
+ default:
+ ret = -ENOSYS;
+ }
+ }
+ return ret;
+}
+
+static inline int
+futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval)
+{
+ int prev, cmp;
+
+ if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))
+ return -EFAULT;
+
+ __asm__ __volatile__ ("1: lwx %0, %2, r0; \
+ cmp %1, %0, %3; \
+ beqi %1, 3f; \
+ 2: swx %4, %2, r0; \
+ addic %1, r0, 0; \
+ bnei %1, 1b; \
+ 3: \
+ .section .fixup,\"ax\"; \
+ 4: brid 3b; \
+ addik %0, r0, %5; \
+ .previous; \
+ .section __ex_table,\"a\"; \
+ .word 1b,4b,2b,4b; \
+ .previous;" \
+ : "=&r" (prev), "=&r"(cmp) \
+ : "r" (uaddr), "r" (oldval), "r" (newval), "i" (-EFAULT));
+
+ return prev;
+}
+
+#endif /* __KERNEL__ */
+
+#endif
diff --git a/arch/microblaze/include/asm/irqflags.h b/arch/microblaze/include/asm/irqflags.h
index dea65645a4f..2c38c6d8017 100644
--- a/arch/microblaze/include/asm/irqflags.h
+++ b/arch/microblaze/include/asm/irqflags.h
@@ -10,78 +10,73 @@
#define _ASM_MICROBLAZE_IRQFLAGS_H
#include <linux/irqflags.h>
+#include <asm/registers.h>
# if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
-# define local_irq_save(flags) \
+# define raw_local_irq_save(flags) \
do { \
- asm volatile ("# local_irq_save \n\t" \
- "msrclr %0, %1 \n\t" \
- "nop \n\t" \
+ asm volatile (" msrclr %0, %1; \
+ nop;" \
: "=r"(flags) \
: "i"(MSR_IE) \
: "memory"); \
} while (0)
-# define local_irq_disable() \
- do { \
- asm volatile ("# local_irq_disable \n\t" \
- "msrclr r0, %0 \n\t" \
- "nop \n\t" \
- : \
- : "i"(MSR_IE) \
- : "memory"); \
+# define raw_local_irq_disable() \
+ do { \
+ asm volatile (" msrclr r0, %0; \
+ nop;" \
+ : \
+ : "i"(MSR_IE) \
+ : "memory"); \
} while (0)
-# define local_irq_enable() \
- do { \
- asm volatile ("# local_irq_enable \n\t" \
- "msrset r0, %0 \n\t" \
- "nop \n\t" \
- : \
- : "i"(MSR_IE) \
- : "memory"); \
+# define raw_local_irq_enable() \
+ do { \
+ asm volatile (" msrset r0, %0; \
+ nop;" \
+ : \
+ : "i"(MSR_IE) \
+ : "memory"); \
} while (0)
# else /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR == 0 */
-# define local_irq_save(flags) \
+# define raw_local_irq_save(flags) \
do { \
register unsigned tmp; \
- asm volatile ("# local_irq_save \n\t" \
- "mfs %0, rmsr \n\t" \
- "nop \n\t" \
- "andi %1, %0, %2 \n\t" \
- "mts rmsr, %1 \n\t" \
- "nop \n\t" \
+ asm volatile (" mfs %0, rmsr; \
+ nop; \
+ andi %1, %0, %2; \
+ mts rmsr, %1; \
+ nop;" \
: "=r"(flags), "=r" (tmp) \
: "i"(~MSR_IE) \
: "memory"); \
} while (0)
-# define local_irq_disable() \
+# define raw_local_irq_disable() \
do { \
register unsigned tmp; \
- asm volatile ("# local_irq_disable \n\t" \
- "mfs %0, rmsr \n\t" \
- "nop \n\t" \
- "andi %0, %0, %1 \n\t" \
- "mts rmsr, %0 \n\t" \
- "nop \n\t" \
+ asm volatile (" mfs %0, rmsr; \
+ nop; \
+ andi %0, %0, %1; \
+ mts rmsr, %0; \
+ nop;" \
: "=r"(tmp) \
: "i"(~MSR_IE) \
: "memory"); \
} while (0)
-# define local_irq_enable() \
+# define raw_local_irq_enable() \
do { \
register unsigned tmp; \
- asm volatile ("# local_irq_enable \n\t" \
- "mfs %0, rmsr \n\t" \
- "nop \n\t" \
- "ori %0, %0, %1 \n\t" \
- "mts rmsr, %0 \n\t" \
- "nop \n\t" \
+ asm volatile (" mfs %0, rmsr; \
+ nop; \
+ ori %0, %0, %1; \
+ mts rmsr, %0; \
+ nop;" \
: "=r"(tmp) \
: "i"(MSR_IE) \
: "memory"); \
@@ -89,35 +84,28 @@
# endif /* CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR */
-#define local_save_flags(flags) \
+#define raw_local_irq_restore(flags) \
do { \
- asm volatile ("# local_save_flags \n\t" \
- "mfs %0, rmsr \n\t" \
- "nop \n\t" \
- : "=r"(flags) \
+ asm volatile (" mts rmsr, %0; \
+ nop;" \
: \
+ : "r"(flags) \
: "memory"); \
} while (0)
-#define local_irq_restore(flags) \
- do { \
- asm volatile ("# local_irq_restore \n\t"\
- "mts rmsr, %0 \n\t" \
- "nop \n\t" \
- : \
- : "r"(flags) \
- : "memory"); \
- } while (0)
-
-static inline int irqs_disabled(void)
+static inline unsigned long get_msr(void)
{
unsigned long flags;
-
- local_save_flags(flags);
- return ((flags & MSR_IE) == 0);
+ asm volatile (" mfs %0, rmsr; \
+ nop;" \
+ : "=r"(flags) \
+ : \
+ : "memory"); \
+ return flags;
}
-#define raw_irqs_disabled irqs_disabled
-#define raw_irqs_disabled_flags(flags) ((flags) == 0)
+#define raw_local_save_flags(flags) ((flags) = get_msr())
+#define raw_irqs_disabled() ((get_msr() & MSR_IE) == 0)
+#define raw_irqs_disabled_flags(flags) ((flags & MSR_IE) == 0)
#endif /* _ASM_MICROBLAZE_IRQFLAGS_H */
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 880c988c223..9b66c0fa9a3 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -164,7 +164,8 @@ extern int page_is_ram(unsigned long pfn);
# endif /* CONFIG_MMU */
# ifndef CONFIG_MMU
-# define pfn_valid(pfn) ((pfn) >= min_low_pfn && (pfn) <= max_mapnr)
+# define pfn_valid(pfn) (((pfn) >= min_low_pfn) && \
+ ((pfn) <= (min_low_pfn + max_mapnr)))
# define ARCH_PFN_OFFSET (PAGE_OFFSET >> PAGE_SHIFT)
# else /* CONFIG_MMU */
# define ARCH_PFN_OFFSET (memory_start >> PAGE_SHIFT)
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h
index b0131da1387..7547f506456 100644
--- a/arch/microblaze/include/asm/pgalloc.h
+++ b/arch/microblaze/include/asm/pgalloc.h
@@ -106,9 +106,6 @@ extern inline void free_pgd_slow(pgd_t *pgd)
*/
#define pmd_alloc_one_fast(mm, address) ({ BUG(); ((pmd_t *)1); })
#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); })
-/* FIXME two definition - look below */
-#define pmd_free(mm, x) do { } while (0)
-#define pgd_populate(mm, pmd, pte) BUG()
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
unsigned long address)
@@ -192,14 +189,14 @@ extern inline void pte_free(struct mm_struct *mm, struct page *ptepage)
* the pgd will always be present..
*/
#define pmd_alloc_one(mm, address) ({ BUG(); ((pmd_t *)2); })
-/*#define pmd_free(mm, x) do { } while (0)*/
-#define __pmd_free_tlb(tlb, x, addr) do { } while (0)
+#define pmd_free(mm, x) do { } while (0)
+#define __pmd_free_tlb(tlb, x, addr) pmd_free((tlb)->mm, x)
#define pgd_populate(mm, pmd, pte) BUG()
extern int do_check_pgt_cache(int, int);
#endif /* CONFIG_MMU */
-#define check_pgt_cache() do {} while (0)
+#define check_pgt_cache() do { } while (0)
#endif /* _ASM_MICROBLAZE_PGALLOC_H */
diff --git a/arch/microblaze/include/asm/pvr.h b/arch/microblaze/include/asm/pvr.h
index 66f1b30dd09..e38abc7714b 100644
--- a/arch/microblaze/include/asm/pvr.h
+++ b/arch/microblaze/include/asm/pvr.h
@@ -76,20 +76,23 @@ struct pvr_s {
#define PVR3_FSL_LINKS_MASK 0x00000380
/* ICache config PVR masks */
-#define PVR4_USE_ICACHE_MASK 0x80000000
-#define PVR4_ICACHE_ADDR_TAG_BITS_MASK 0x7C000000
-#define PVR4_ICACHE_USE_FSL_MASK 0x02000000
-#define PVR4_ICACHE_ALLOW_WR_MASK 0x01000000
-#define PVR4_ICACHE_LINE_LEN_MASK 0x00E00000
-#define PVR4_ICACHE_BYTE_SIZE_MASK 0x001F0000
+#define PVR4_USE_ICACHE_MASK 0x80000000 /* ICU */
+#define PVR4_ICACHE_ADDR_TAG_BITS_MASK 0x7C000000 /* ICTS */
+#define PVR4_ICACHE_ALLOW_WR_MASK 0x01000000 /* ICW */
+#define PVR4_ICACHE_LINE_LEN_MASK 0x00E00000 /* ICLL */
+#define PVR4_ICACHE_BYTE_SIZE_MASK 0x001F0000 /* ICBS */
+#define PVR4_ICACHE_ALWAYS_USED 0x00008000 /* IAU */
+#define PVR4_ICACHE_INTERFACE 0x00002000 /* ICI */
/* DCache config PVR masks */
-#define PVR5_USE_DCACHE_MASK 0x80000000
-#define PVR5_DCACHE_ADDR_TAG_BITS_MASK 0x7C000000
-#define PVR5_DCACHE_USE_FSL_MASK 0x02000000
-#define PVR5_DCACHE_ALLOW_WR_MASK 0x01000000
-#define PVR5_DCACHE_LINE_LEN_MASK 0x00E00000
-#define PVR5_DCACHE_BYTE_SIZE_MASK 0x001F0000
+#define PVR5_USE_DCACHE_MASK 0x80000000 /* DCU */
+#define PVR5_DCACHE_ADDR_TAG_BITS_MASK 0x7C000000 /* DCTS */
+#define PVR5_DCACHE_ALLOW_WR_MASK 0x01000000 /* DCW */
+#define PVR5_DCACHE_LINE_LEN_MASK 0x00E00000 /* DCLL */
+#define PVR5_DCACHE_BYTE_SIZE_MASK 0x001F0000 /* DCBS */
+#define PVR5_DCACHE_ALWAYS_USED 0x00008000 /* DAU */
+#define PVR5_DCACHE_USE_WRITEBACK 0x00004000 /* DWB */
+#define PVR5_DCACHE_INTERFACE 0x00002000 /* DCI */
/* ICache base address PVR mask */
#define PVR6_ICACHE_BASEADDR_MASK 0xFFFFFFFF
@@ -178,11 +181,14 @@ struct pvr_s {
((pvr.pvr[5] & PVR5_DCACHE_ADDR_TAG_BITS_MASK) >> 26)
#define PVR_DCACHE_USE_FSL(pvr) (pvr.pvr[5] & PVR5_DCACHE_USE_FSL_MASK)
#define PVR_DCACHE_ALLOW_WR(pvr) (pvr.pvr[5] & PVR5_DCACHE_ALLOW_WR_MASK)
+/* FIXME two shifts on one line needs any comment */
#define PVR_DCACHE_LINE_LEN(pvr) \
(1 << ((pvr.pvr[5] & PVR5_DCACHE_LINE_LEN_MASK) >> 21))
#define PVR_DCACHE_BYTE_SIZE(pvr) \
(1 << ((pvr.pvr[5] & PVR5_DCACHE_BYTE_SIZE_MASK) >> 16))
+#define PVR_DCACHE_USE_WRITEBACK(pvr) \
+ ((pvr.pvr[5] & PVR5_DCACHE_USE_WRITEBACK) >> 14)
#define PVR_ICACHE_BASEADDR(pvr) (pvr.pvr[6] & PVR6_ICACHE_BASEADDR_MASK)
#define PVR_ICACHE_HIGHADDR(pvr) (pvr.pvr[7] & PVR7_ICACHE_HIGHADDR_MASK)
diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
index ed67c9ed15b..7f31394985e 100644
--- a/arch/microblaze/include/asm/setup.h
+++ b/arch/microblaze/include/asm/setup.h
@@ -35,6 +35,8 @@ extern void mmu_reset(void);
extern void early_console_reg_tlb_alloc(unsigned int addr);
# endif /* CONFIG_MMU */
+extern void of_platform_reset_gpio_probe(void);
+
void time_init(void);
void init_IRQ(void);
void machine_early_init(const char *cmdline, unsigned int ram,
diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h
index b1ed6159066..157970688b2 100644
--- a/arch/microblaze/include/asm/system.h
+++ b/arch/microblaze/include/asm/system.h
@@ -16,6 +16,8 @@
#include <asm-generic/cmpxchg.h>
#include <asm-generic/cmpxchg-local.h>
+#define __ARCH_WANT_INTERRUPTS_ON_CTXSW
+
struct task_struct;
struct thread_info;
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 5431b4631a7..371bd6e56d9 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -272,8 +272,9 @@ static inline int clear_user(char *to, int size)
return size;
}
-extern unsigned long __copy_tofrom_user(void __user *to,
- const void __user *from, unsigned long size);
+#define __copy_from_user(to, from, n) copy_from_user((to), (from), (n))
+#define __copy_from_user_inatomic(to, from, n) \
+ copy_from_user((to), (from), (n))
#define copy_to_user(to, from, n) \
(access_ok(VERIFY_WRITE, (to), (n)) ? \
@@ -290,10 +291,6 @@ extern unsigned long __copy_tofrom_user(void __user *to,
(void __user *)(from), (n)) \
: -EFAULT)
-#define __copy_from_user(to, from, n) copy_from_user((to), (from), (n))
-#define __copy_from_user_inatomic(to, from, n) \
- copy_from_user((to), (from), (n))
-
extern int __strncpy_user(char *to, const char __user *from, int len);
extern int __strnlen_user(const char __user *sstr, int len);
@@ -305,6 +302,9 @@ extern int __strnlen_user(const char __user *sstr, int len);
#endif /* CONFIG_MMU */
+extern unsigned long __copy_tofrom_user(void __user *to,
+ const void __user *from, unsigned long size);
+
/*
* The exception table consists of pairs of addresses: the first is the
* address of an instruction that is allowed to fault, and the second is
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-30 15:18:51 +0000