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authorLinus Torvalds <torvalds@woody.osdl.org>2006-12-13 15:58:32 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-13 15:58:32 -0800
commite05135d1550e73f722ae92909f9c9f44b305e9e2 (patch)
tree2348efab16091746012672c65b8b5140792a2da1 /include/asm-arm
parent8eefb2b7ad6195f4324629f35be0b9443cd8ee96 (diff)
parente9ccb79927225d8cd8d022a7c09bfb2fad935b89 (diff)
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Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: [ARM] 4017/1: [Jornada7xx] - Updating Jornada720.c [ARM] 3992/1: i.MX/MX1 CPU Frequency scaling support [ARM] Provide a method to alter the control register [ARM] 4016/1: prefetch macro is wrong wrt gcc's "delete-null-pointer-checks" [ARM] Remove empty fixup function [ARM] 4014/1: include drivers/hid/Kconfig [ARM] 4013/1: clocksource driver for netx [ARM] 4012/1: Clocksource for pxa [ARM] Clean up ioremap code [ARM] Unuse another Linux PTE bit [ARM] Clean up KERNEL_RAM_ADDR [ARM] Add sys_*at syscalls [ARM] 4004/1: S3C24XX: UDC remove implict addition of VA to regs [ARM] Formalise the ARMv6 processor name string [ARM] Handle HWCAP_VFP in VFP support code [ARM] 4011/1: AT91SAM9260: Fix compilation with NAND driver [ARM] 4010/1: AT91SAM9260-EK board: Prepare for MACB Ethernet support
Diffstat (limited to 'include/asm-arm')
-rw-r--r--include/asm-arm/arch-imx/imx-regs.h10
-rw-r--r--include/asm-arm/arch-s3c2410/regs-udc.h7
-rw-r--r--include/asm-arm/cpu-multi32.h7
-rw-r--r--include/asm-arm/cpu-single.h4
-rw-r--r--include/asm-arm/pgtable.h11
-rw-r--r--include/asm-arm/processor.h16
-rw-r--r--include/asm-arm/system.h63
-rw-r--r--include/asm-arm/unistd.h13
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 a6912b3d867..e56a4e247d6 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 487861d5b49..3c8354619b6 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 4679f63688e..715e18a4add 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 6723e67244f..0b120ee3609 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 88cd5c784ef..b8cf2d5ec30 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 b442e8e2a80..1bbf16182d6 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 f05fbe31576..e160aeb0138 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 d44c629d842..32b06eb5281 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.