8 files changed, 94 insertions, 37 deletions

diff --git a/include/asm-arm/arch-imx/imx-regs.h b/include/asm-arm/arch-imx/imx-regs.h
index a6912b3d8671..e56a4e247d62 100644
--- a/include/asm-arm/arch-imx/imx-regs.h
+++ b/include/asm-arm/arch-imx/imx-regs.h
@@ -41,7 +41,13 @@
 
 /* PLL registers */
 #define CSCR   __REG(IMX_PLL_BASE)        /* Clock Source Control Register */
-#define CSCR_SYSTEM_SEL (1<<16)
+#define CSCR_SPLL_RESTART       (1<<22)
+#define CSCR_MPLL_RESTART       (1<<21)
+#define CSCR_SYSTEM_SEL         (1<<16)
+#define CSCR_BCLK_DIV           (0xf<<10)
+#define CSCR_MPU_PRESC          (1<<15)
+#define CSCR_SPEN               (1<<1)
+#define CSCR_MPEN               (1<<0)
 
 #define MPCTL0 __REG(IMX_PLL_BASE + 0x4)  /* MCU PLL Control Register 0 */
 #define MPCTL1 __REG(IMX_PLL_BASE + 0x8)  /* MCU PLL and System Clock Register 1 */
@@ -49,8 +55,6 @@
 #define SPCTL1 __REG(IMX_PLL_BASE + 0x10) /* System PLL Control Register 1 */
 #define PCDR   __REG(IMX_PLL_BASE + 0x20) /* Peripheral Clock Divider Register */
 
-#define CSCR_MPLL_RESTART (1<<21)
-
 /*
  *  GPIO Module and I/O Multiplexer
  *  x = 0..3 for reg_A, reg_B, reg_C, reg_D
diff --git a/include/asm-arm/arch-s3c2410/regs-udc.h b/include/asm-arm/arch-s3c2410/regs-udc.h
index 487861d5b49a..3c8354619b60 100644
--- a/include/asm-arm/arch-s3c2410/regs-udc.h
+++ b/include/asm-arm/arch-s3c2410/regs-udc.h
@@ -11,8 +11,7 @@
 #ifndef __ASM_ARCH_REGS_UDC_H
 #define __ASM_ARCH_REGS_UDC_H
 
-
-#define S3C2410_USBDREG(x) ((x) + S3C24XX_VA_USBDEV)
+#define S3C2410_USBDREG(x) (x)
 
 #define S3C2410_UDC_FUNC_ADDR_REG       S3C2410_USBDREG(0x0140)
 #define S3C2410_UDC_PWR_REG             S3C2410_USBDREG(0x0144)
@@ -136,8 +135,8 @@
 #define S3C2410_UDC_OCSR2_ISO           (1<<6) // R/W
 #define S3C2410_UDC_OCSR2_DMAIEN        (1<<5) // R/W
 
-#define S3C2410_UDC_SETIX(x)        \
-        __raw_writel(S3C2410_UDC_INDEX_ ## x, S3C2410_UDC_INDEX_REG);
+#define S3C2410_UDC_SETIX(base,x)           \
+        writel(S3C2410_UDC_INDEX_ ## x, base+S3C2410_UDC_INDEX_REG);
 
 
 #define S3C2410_UDC_EP0_CSR_OPKRDY      (1<<0)
diff --git a/include/asm-arm/cpu-multi32.h b/include/asm-arm/cpu-multi32.h
index 4679f63688e9..715e18a4add1 100644
--- a/include/asm-arm/cpu-multi32.h
+++ b/include/asm-arm/cpu-multi32.h
@@ -50,9 +50,10 @@ extern struct processor {
          */
         void (*switch_mm)(unsigned long pgd_phys, struct mm_struct *mm);
         /*
-         * Set a PTE
+         * Set a possibly extended PTE.  Non-extended PTEs should
+         * ignore 'ext'.
          */
-        void (*set_pte)(pte_t *ptep, pte_t pte);
+        void (*set_pte_ext)(pte_t *ptep, pte_t pte, unsigned int ext);
 } processor;
 
 #define cpu_proc_init()                 processor._proc_init()
@@ -60,5 +61,5 @@ extern struct processor {
 #define cpu_reset(addr)                 processor.reset(addr)
 #define cpu_do_idle()                   processor._do_idle()
 #define cpu_dcache_clean_area(addr,sz)  processor.dcache_clean_area(addr,sz)
-#define cpu_set_pte(ptep, pte)          processor.set_pte(ptep, pte)
+#define cpu_set_pte_ext(ptep,pte,ext)   processor.set_pte_ext(ptep,pte,ext)
 #define cpu_do_switch_mm(pgd,mm)        processor.switch_mm(pgd,mm)
diff --git a/include/asm-arm/cpu-single.h b/include/asm-arm/cpu-single.h
index 6723e67244fa..0b120ee36091 100644
--- a/include/asm-arm/cpu-single.h
+++ b/include/asm-arm/cpu-single.h
@@ -28,7 +28,7 @@
 #define cpu_do_idle                     __cpu_fn(CPU_NAME,_do_idle)
 #define cpu_dcache_clean_area           __cpu_fn(CPU_NAME,_dcache_clean_area)
 #define cpu_do_switch_mm                __cpu_fn(CPU_NAME,_switch_mm)
-#define cpu_set_pte                     __cpu_fn(CPU_NAME,_set_pte)
+#define cpu_set_pte_ext                 __cpu_fn(CPU_NAME,_set_pte_ext)
 
 #include <asm/page.h>
 
@@ -40,5 +40,5 @@ extern void cpu_proc_fin(void);
 extern int cpu_do_idle(void);
 extern void cpu_dcache_clean_area(void *, int);
 extern void cpu_do_switch_mm(unsigned long pgd_phys, struct mm_struct *mm);
-extern void cpu_set_pte(pte_t *ptep, pte_t pte);
+extern void cpu_set_pte_ext(pte_t *ptep, pte_t pte, unsigned int ext);
 extern void cpu_reset(unsigned long addr) __attribute__((noreturn));
diff --git a/include/asm-arm/pgtable.h b/include/asm-arm/pgtable.h
index 88cd5c784ef0..b8cf2d5ec304 100644
--- a/include/asm-arm/pgtable.h
+++ b/include/asm-arm/pgtable.h
@@ -21,6 +21,7 @@
 
 #include <asm/memory.h>
 #include <asm/arch/vmalloc.h>
+#include <asm/pgtable-hwdef.h>
 
 /*
  * Just any arbitrary offset to the start of the vmalloc VM area: the
@@ -170,7 +171,6 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 #define L_PTE_EXEC              (1 << 6)
 #define L_PTE_DIRTY             (1 << 7)
 #define L_PTE_SHARED            (1 << 10)       /* shared(v6), coherent(xsc3) */
-#define L_PTE_ASID              (1 << 11)       /* non-global (use ASID, v6) */
 
 #ifndef __ASSEMBLY__
 
@@ -228,7 +228,7 @@ extern struct page *empty_zero_page;
 #define pfn_pte(pfn,prot)       (__pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot)))
 
 #define pte_none(pte)           (!pte_val(pte))
-#define pte_clear(mm,addr,ptep) set_pte_at((mm),(addr),(ptep), __pte(0))
+#define pte_clear(mm,addr,ptep) set_pte_ext(ptep, __pte(0), 0)
 #define pte_page(pte)           (pfn_to_page(pte_pfn(pte)))
 #define pte_offset_kernel(dir,addr)     (pmd_page_vaddr(*(dir)) + __pte_index(addr))
 #define pte_offset_map(dir,addr)        (pmd_page_vaddr(*(dir)) + __pte_index(addr))
@@ -236,8 +236,11 @@ extern struct page *empty_zero_page;
 #define pte_unmap(pte)          do { } while (0)
 #define pte_unmap_nested(pte)   do { } while (0)
 
-#define set_pte(ptep, pte)      cpu_set_pte(ptep,pte)
-#define set_pte_at(mm,addr,ptep,pteval) set_pte(ptep,pteval)
+#define set_pte_ext(ptep,pte,ext) cpu_set_pte_ext(ptep,pte,ext)
+
+#define set_pte_at(mm,addr,ptep,pteval) do { \
+        set_pte_ext(ptep, pteval, (addr) >= PAGE_OFFSET ? 0 : PTE_EXT_NG); \
+ } while (0)
 
 /*
  * The following only work if pte_present() is true.
diff --git a/include/asm-arm/processor.h b/include/asm-arm/processor.h
index b442e8e2a809..1bbf16182d62 100644
--- a/include/asm-arm/processor.h
+++ b/include/asm-arm/processor.h
@@ -103,14 +103,14 @@ extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags);
 #if __LINUX_ARM_ARCH__ >= 5
 
 #define ARCH_HAS_PREFETCH
-#define prefetch(ptr)                           \
-        ({                                      \
-                __asm__ __volatile__(           \
-                "pld\t%0"                       \
-                :                               \
-                : "o" (*(char *)(ptr))          \
-                : "cc");                        \
-        })
+static inline void prefetch(const void *ptr)
+{
+        __asm__ __volatile__(
+                "pld\t%0"
+                :
+                : "o" (*(char *)ptr)
+                : "cc");
+}
 
 #define ARCH_HAS_PREFETCHW
 #define prefetchw(ptr)  prefetch(ptr)
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h
index f05fbe31576c..e160aeb0138d 100644
--- a/include/asm-arm/system.h
+++ b/include/asm-arm/system.h
@@ -139,23 +139,60 @@ static inline int cpu_is_xsc3(void)
 #define cpu_is_xscale() 1
 #endif
 
-#define set_cr(x)                                       \
-        __asm__ __volatile__(                           \
-        "mcr    p15, 0, %0, c1, c0, 0   @ set CR"       \
-        : : "r" (x) : "cc")
-
-#define get_cr()                                        \
-        ({                                              \
-        unsigned int __val;                             \
-        __asm__ __volatile__(                           \
-        "mrc    p15, 0, %0, c1, c0, 0   @ get CR"       \
-        : "=r" (__val) : : "cc");                       \
-        __val;                                          \
-        })
+static inline unsigned int get_cr(void)
+{
+        unsigned int val;
+        asm("mrc p15, 0, %0, c1, c0, 0  @ get CR" : "=r" (val) : : "cc");
+        return val;
+}
+
+static inline void set_cr(unsigned int val)
+{
+        asm volatile("mcr p15, 0, %0, c1, c0, 0 @ set CR"
+          : : "r" (val) : "cc");
+}
+
+#define CPACC_FULL(n)           (3 << (n * 2))
+#define CPACC_SVC(n)            (1 << (n * 2))
+#define CPACC_DISABLE(n)        (0 << (n * 2))
+
+static inline unsigned int get_copro_access(void)
+{
+        unsigned int val;
+        asm("mrc p15, 0, %0, c1, c0, 2 @ get copro access"
+          : "=r" (val) : : "cc");
+        return val;
+}
+
+static inline void set_copro_access(unsigned int val)
+{
+        asm volatile("mcr p15, 0, %0, c1, c0, 2 @ set copro access"
+          : : "r" (val) : "cc");
+}
 
 extern unsigned long cr_no_alignment;   /* defined in entry-armv.S */
 extern unsigned long cr_alignment;      /* defined in entry-armv.S */
 
+#ifndef CONFIG_SMP
+static inline void adjust_cr(unsigned long mask, unsigned long set)
+{
+        unsigned long flags, cr;
+
+        mask &= ~CR_A;
+
+        set &= mask;
+
+        local_irq_save(flags);
+
+        cr_no_alignment = (cr_no_alignment & ~mask) | set;
+        cr_alignment = (cr_alignment & ~mask) | set;
+
+        set_cr((get_cr() & ~mask) | set);
+
+        local_irq_restore(flags);
+}
+#endif
+
 #define UDBG_UNDEFINED  (1 << 0)
 #define UDBG_SYSCALL    (1 << 1)
 #define UDBG_BADABORT   (1 << 2)
diff --git a/include/asm-arm/unistd.h b/include/asm-arm/unistd.h
index d44c629d8424..32b06eb52819 100644
--- a/include/asm-arm/unistd.h
+++ b/include/asm-arm/unistd.h
@@ -347,6 +347,19 @@
 #define __NR_mbind                      (__NR_SYSCALL_BASE+319)
 #define __NR_get_mempolicy              (__NR_SYSCALL_BASE+320)
 #define __NR_set_mempolicy              (__NR_SYSCALL_BASE+321)
+#define __NR_openat                     (__NR_SYSCALL_BASE+322)
+#define __NR_mkdirat                    (__NR_SYSCALL_BASE+323)
+#define __NR_mknodat                    (__NR_SYSCALL_BASE+324)
+#define __NR_fchownat                   (__NR_SYSCALL_BASE+325)
+#define __NR_futimesat                  (__NR_SYSCALL_BASE+326)
+#define __NR_fstatat64                  (__NR_SYSCALL_BASE+327)
+#define __NR_unlinkat                   (__NR_SYSCALL_BASE+328)
+#define __NR_renameat                   (__NR_SYSCALL_BASE+329)
+#define __NR_linkat                     (__NR_SYSCALL_BASE+330)
+#define __NR_symlinkat                  (__NR_SYSCALL_BASE+331)
+#define __NR_readlinkat                 (__NR_SYSCALL_BASE+332)
+#define __NR_fchmodat                   (__NR_SYSCALL_BASE+333)
+#define __NR_faccessat                  (__NR_SYSCALL_BASE+334)
 
 /*
  * The following SWIs are ARM private.