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-rw-r--r--arch/arm/include/asm/cacheflush.h38
-rw-r--r--arch/arm/include/asm/clkdev.h1
-rw-r--r--arch/arm/include/asm/dma-mapping.h8
-rw-r--r--arch/arm/include/asm/elf.h1
-rw-r--r--arch/arm/include/asm/entry-macro-vic2.S57
-rw-r--r--arch/arm/include/asm/hardware/iop3xx-adma.h12
-rw-r--r--arch/arm/include/asm/hardware/it8152.h12
-rw-r--r--arch/arm/include/asm/hardware/locomo.h4
-rw-r--r--arch/arm/include/asm/hardware/sa1111.h4
-rw-r--r--arch/arm/include/asm/irq.h1
-rw-r--r--arch/arm/include/asm/outercache.h75
-rw-r--r--arch/arm/include/asm/pci.h11
-rw-r--r--arch/arm/include/asm/pgtable-nommu.h1
-rw-r--r--arch/arm/include/asm/ptrace.h2
-rw-r--r--arch/arm/include/asm/system.h16
-rw-r--r--arch/arm/include/asm/unistd.h3
16 files changed, 184 insertions, 62 deletions
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 72da7e045c6..0d08d4170b6 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -15,6 +15,7 @@
#include <asm/glue.h>
#include <asm/shmparam.h>
#include <asm/cachetype.h>
+#include <asm/outercache.h>
#define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
@@ -219,12 +220,6 @@ struct cpu_cache_fns {
void (*dma_flush_range)(const void *, const void *);
};
-struct outer_cache_fns {
- void (*inv_range)(unsigned long, unsigned long);
- void (*clean_range)(unsigned long, unsigned long);
- void (*flush_range)(unsigned long, unsigned long);
-};
-
/*
* Select the calling method
*/
@@ -281,37 +276,6 @@ extern void dmac_flush_range(const void *, const void *);
#endif
-#ifdef CONFIG_OUTER_CACHE
-
-extern struct outer_cache_fns outer_cache;
-
-static inline void outer_inv_range(unsigned long start, unsigned long end)
-{
- if (outer_cache.inv_range)
- outer_cache.inv_range(start, end);
-}
-static inline void outer_clean_range(unsigned long start, unsigned long end)
-{
- if (outer_cache.clean_range)
- outer_cache.clean_range(start, end);
-}
-static inline void outer_flush_range(unsigned long start, unsigned long end)
-{
- if (outer_cache.flush_range)
- outer_cache.flush_range(start, end);
-}
-
-#else
-
-static inline void outer_inv_range(unsigned long start, unsigned long end)
-{ }
-static inline void outer_clean_range(unsigned long start, unsigned long end)
-{ }
-static inline void outer_flush_range(unsigned long start, unsigned long end)
-{ }
-
-#endif
-
/*
* Copy user data from/to a page which is mapped into a different
* processes address space. Really, we want to allow our "user
diff --git a/arch/arm/include/asm/clkdev.h b/arch/arm/include/asm/clkdev.h
index 7a0690da5e6..b56c1389b6f 100644
--- a/arch/arm/include/asm/clkdev.h
+++ b/arch/arm/include/asm/clkdev.h
@@ -13,6 +13,7 @@
#define __ASM_CLKDEV_H
struct clk;
+struct device;
struct clk_lookup {
struct list_head node;
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 256ee1c9f51..69ce0727edb 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -128,6 +128,14 @@ static inline int dma_supported(struct device *dev, u64 mask)
static inline int dma_set_mask(struct device *dev, u64 dma_mask)
{
+#ifdef CONFIG_DMABOUNCE
+ if (dev->archdata.dmabounce) {
+ if (dma_mask >= ISA_DMA_THRESHOLD)
+ return 0;
+ else
+ return -EIO;
+ }
+#endif
if (!dev->dma_mask || !dma_supported(dev, dma_mask))
return -EIO;
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index a399bb5730f..bff056489cc 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -98,6 +98,7 @@ extern int elf_check_arch(const struct elf32_hdr *);
extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int);
#define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk)
+struct task_struct;
int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
#define ELF_CORE_COPY_TASK_REGS dump_task_regs
diff --git a/arch/arm/include/asm/entry-macro-vic2.S b/arch/arm/include/asm/entry-macro-vic2.S
new file mode 100644
index 00000000000..3ceb85e4385
--- /dev/null
+++ b/arch/arm/include/asm/entry-macro-vic2.S
@@ -0,0 +1,57 @@
+/* arch/arm/include/asm/entry-macro-vic2.S
+ *
+ * Originally arch/arm/mach-s3c6400/include/mach/entry-macro.S
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Low-level IRQ helper macros for a device with two VICs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+*/
+
+/* This should be included from <mach/entry-macro.S> with the necessary
+ * defines for virtual addresses and IRQ bases for the two vics.
+ *
+ * The code needs the following defined:
+ * IRQ_VIC0_BASE IRQ number of VIC0's first IRQ
+ * IRQ_VIC1_BASE IRQ number of VIC1's first IRQ
+ * VA_VIC0 Virtual address of VIC0
+ * VA_VIC1 Virtual address of VIC1
+ *
+ * Note, code assumes VIC0's virtual address is an ARM immediate constant
+ * away from VIC1.
+*/
+
+#include <asm/hardware/vic.h>
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_preamble, base, tmp
+ ldr \base, =VA_VIC0
+ .endm
+
+ .macro arch_ret_to_user, tmp1, tmp2
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+ @ check the vic0
+ mov \irqnr, #IRQ_VIC0_BASE + 31
+ ldr \irqstat, [ \base, # VIC_IRQ_STATUS ]
+ teq \irqstat, #0
+
+ @ otherwise try vic1
+ addeq \tmp, \base, #(VA_VIC1 - VA_VIC0)
+ addeq \irqnr, \irqnr, #(IRQ_VIC1_BASE - IRQ_VIC0_BASE)
+ ldreq \irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+ teqeq \irqstat, #0
+
+ clzne \irqstat, \irqstat
+ subne \irqnr, \irqnr, \irqstat
+ .endm
diff --git a/arch/arm/include/asm/hardware/iop3xx-adma.h b/arch/arm/include/asm/hardware/iop3xx-adma.h
index 1a8c7279a28..9b28f1243bd 100644
--- a/arch/arm/include/asm/hardware/iop3xx-adma.h
+++ b/arch/arm/include/asm/hardware/iop3xx-adma.h
@@ -366,8 +366,7 @@ static inline int iop_chan_xor_slot_count(size_t len, int src_cnt,
slot_cnt += *slots_per_op;
}
- if (len)
- slot_cnt += *slots_per_op;
+ slot_cnt += *slots_per_op;
return slot_cnt;
}
@@ -389,8 +388,7 @@ static inline int iop_chan_zero_sum_slot_count(size_t len, int src_cnt,
slot_cnt += *slots_per_op;
}
- if (len)
- slot_cnt += *slots_per_op;
+ slot_cnt += *slots_per_op;
return slot_cnt;
}
@@ -737,10 +735,8 @@ iop_desc_set_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len)
i += slots_per_op;
} while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT);
- if (len) {
- iter = iop_hw_desc_slot_idx(hw_desc, i);
- iter->byte_count = len;
- }
+ iter = iop_hw_desc_slot_idx(hw_desc, i);
+ iter->byte_count = len;
}
}
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index 74b5fff7f57..6700c7fc7eb 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -75,6 +75,18 @@ extern unsigned long it8152_base_address;
IT8152_PD_IRQ(1) USB (USBR)
IT8152_PD_IRQ(0) Audio controller (ACR)
*/
+#define IT8152_IRQ(x) (IRQ_BOARD_END + (x))
+
+/* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
+#define IT8152_LD_IRQ_COUNT 9
+#define IT8152_LP_IRQ_COUNT 16
+#define IT8152_PD_IRQ_COUNT 15
+
+/* Priorities: */
+#define IT8152_PD_IRQ(i) IT8152_IRQ(i)
+#define IT8152_LP_IRQ(i) (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
+#define IT8152_LD_IRQ(i) (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
+
/* frequently used interrupts */
#define IT8152_PCISERR IT8152_PD_IRQ(14)
#define IT8152_H2PTADR IT8152_PD_IRQ(13)
diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h
index 954b1be991b..74e51d6bd93 100644
--- a/arch/arm/include/asm/hardware/locomo.h
+++ b/arch/arm/include/asm/hardware/locomo.h
@@ -214,4 +214,8 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
/* Frontlight control */
void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);
+struct locomo_platform_data {
+ int irq_base; /* IRQ base for cascaded on-chip IRQs */
+};
+
#endif
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 5da2595759e..92ed254c175 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -578,4 +578,8 @@ void sa1111_set_io_dir(struct sa1111_dev *sadev, unsigned int bits, unsigned int
void sa1111_set_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
+struct sa1111_platform_data {
+ int irq_base; /* base for cascaded on-chip IRQs */
+};
+
#endif /* _ASM_ARCH_SA1111 */
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index 328f14a8b79..237282f7c76 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -17,6 +17,7 @@
#ifndef __ASSEMBLY__
struct irqaction;
+struct pt_regs;
extern void migrate_irqs(void);
extern void asm_do_IRQ(unsigned int, struct pt_regs *);
diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
new file mode 100644
index 00000000000..25f76bae57a
--- /dev/null
+++ b/arch/arm/include/asm/outercache.h
@@ -0,0 +1,75 @@
+/*
+ * arch/arm/include/asm/outercache.h
+ *
+ * Copyright (C) 2010 ARM Ltd.
+ * Written by Catalin Marinas <catalin.marinas@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __ASM_OUTERCACHE_H
+#define __ASM_OUTERCACHE_H
+
+struct outer_cache_fns {
+ void (*inv_range)(unsigned long, unsigned long);
+ void (*clean_range)(unsigned long, unsigned long);
+ void (*flush_range)(unsigned long, unsigned long);
+#ifdef CONFIG_OUTER_CACHE_SYNC
+ void (*sync)(void);
+#endif
+};
+
+#ifdef CONFIG_OUTER_CACHE
+
+extern struct outer_cache_fns outer_cache;
+
+static inline void outer_inv_range(unsigned long start, unsigned long end)
+{
+ if (outer_cache.inv_range)
+ outer_cache.inv_range(start, end);
+}
+static inline void outer_clean_range(unsigned long start, unsigned long end)
+{
+ if (outer_cache.clean_range)
+ outer_cache.clean_range(start, end);
+}
+static inline void outer_flush_range(unsigned long start, unsigned long end)
+{
+ if (outer_cache.flush_range)
+ outer_cache.flush_range(start, end);
+}
+
+#else
+
+static inline void outer_inv_range(unsigned long start, unsigned long end)
+{ }
+static inline void outer_clean_range(unsigned long start, unsigned long end)
+{ }
+static inline void outer_flush_range(unsigned long start, unsigned long end)
+{ }
+
+#endif
+
+#ifdef CONFIG_OUTER_CACHE_SYNC
+static inline void outer_sync(void)
+{
+ if (outer_cache.sync)
+ outer_cache.sync();
+}
+#else
+static inline void outer_sync(void)
+{ }
+#endif
+
+#endif /* __ASM_OUTERCACHE_H */
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 226cddd2fb6..47980118d0a 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -30,17 +30,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
*/
#define PCI_DMA_BUS_IS_PHYS (1)
-/*
- * Whether pci_unmap_{single,page} is a nop depends upon the
- * configuration.
- */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME) ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME) ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) (((PTR)->LEN_NAME) = (VAL))
-
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index 013cfcdc483..ffc0e85775b 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -67,6 +67,7 @@ static inline int pte_file(pte_t pte) { return 0; }
*/
#define pgprot_noncached(prot) __pgprot(0)
#define pgprot_writecombine(prot) __pgprot(0)
+#define pgprot_dmacoherent(prot) __pgprot(0)
/*
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index eec6e897ceb..9dcb11e5902 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -128,6 +128,8 @@ struct pt_regs {
#ifdef __KERNEL__
+#define arch_has_single_step() (1)
+
#define user_mode(regs) \
(((regs)->ARM_cpsr & 0xf) == 0)
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index ca88e6a8470..4ace45ec3ef 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -60,6 +60,8 @@
#include <linux/linkage.h>
#include <linux/irqflags.h>
+#include <asm/outercache.h>
+
#define __exception __attribute__((section(".exception.text")))
struct thread_info;
@@ -137,10 +139,12 @@ extern unsigned int user_debug;
#define dmb() __asm__ __volatile__ ("" : : : "memory")
#endif
-#if __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP)
-#define mb() dmb()
+#ifdef CONFIG_ARCH_HAS_BARRIERS
+#include <mach/barriers.h>
+#elif __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP)
+#define mb() do { dsb(); outer_sync(); } while (0)
#define rmb() dmb()
-#define wmb() dmb()
+#define wmb() mb()
#else
#define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
#define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
@@ -152,9 +156,9 @@ extern unsigned int user_debug;
#define smp_rmb() barrier()
#define smp_wmb() barrier()
#else
-#define smp_mb() mb()
-#define smp_rmb() rmb()
-#define smp_wmb() wmb()
+#define smp_mb() dmb()
+#define smp_rmb() dmb()
+#define smp_wmb() dmb()
#endif
#define read_barrier_depends() do { } while(0)
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index cf9cdaa2d4d..dd2bf53000f 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -443,9 +443,12 @@
#define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
#define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_ALARM
#define __ARCH_WANT_SYS_UTIME
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 20:55:43 +0000