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-rw-r--r--arch/powerpc/include/asm/async_tx.h47
-rw-r--r--arch/powerpc/include/asm/dcr-regs.h23
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h2
-rw-r--r--arch/powerpc/include/asm/elf.h1
-rw-r--r--arch/powerpc/include/asm/module.h5
-rw-r--r--arch/powerpc/include/asm/ptrace.h2
-rw-r--r--arch/powerpc/kernel/iommu.c4
-rw-r--r--arch/powerpc/kernel/traps.c9
-rw-r--r--arch/powerpc/kernel/vmlinux.lds.S3
9 files changed, 92 insertions, 4 deletions
diff --git a/arch/powerpc/include/asm/async_tx.h b/arch/powerpc/include/asm/async_tx.h
new file mode 100644
index 0000000..8b2dc55
--- /dev/null
+++ b/arch/powerpc/include/asm/async_tx.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2008-2009 DENX Software Engineering.
+ *
+ * Author: Yuri Tikhonov <yur@emcraft.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * 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.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called COPYING.
+ */
+#ifndef _ASM_POWERPC_ASYNC_TX_H_
+#define _ASM_POWERPC_ASYNC_TX_H_
+
+#if defined(CONFIG_440SPe) || defined(CONFIG_440SP)
+extern struct dma_chan *
+ppc440spe_async_tx_find_best_channel(enum dma_transaction_type cap,
+ struct page **dst_lst, int dst_cnt, struct page **src_lst,
+ int src_cnt, size_t src_sz);
+
+#define async_tx_find_channel(dep, cap, dst_lst, dst_cnt, src_lst, \
+ src_cnt, src_sz) \
+ ppc440spe_async_tx_find_best_channel(cap, dst_lst, dst_cnt, src_lst, \
+ src_cnt, src_sz)
+#else
+
+#define async_tx_find_channel(dep, type, dst, dst_count, src, src_count, len) \
+ __async_tx_find_channel(dep, type)
+
+struct dma_chan *
+__async_tx_find_channel(struct async_submit_ctl *submit,
+ enum dma_transaction_type tx_type);
+
+#endif
+
+#endif
diff --git a/arch/powerpc/include/asm/dcr-regs.h b/arch/powerpc/include/asm/dcr-regs.h
index 828e3aa..380274d 100644
--- a/arch/powerpc/include/asm/dcr-regs.h
+++ b/arch/powerpc/include/asm/dcr-regs.h
@@ -157,4 +157,27 @@
#define L2C_SNP_SSR_32G 0x0000f000
#define L2C_SNP_ESR 0x00000800
+/*
+ * DCR register offsets for 440SP/440SPe I2O/DMA controller.
+ * The base address is configured in the device tree.
+ */
+#define DCRN_I2O0_IBAL 0x006
+#define DCRN_I2O0_IBAH 0x007
+#define I2O_REG_ENABLE 0x00000001 /* Enable I2O/DMA access */
+
+/* 440SP/440SPe Software Reset DCR */
+#define DCRN_SDR0_SRST 0x0200
+#define DCRN_SDR0_SRST_I2ODMA (0x80000000 >> 15) /* Reset I2O/DMA */
+
+/* 440SP/440SPe Memory Queue DCR offsets */
+#define DCRN_MQ0_XORBA 0x04
+#define DCRN_MQ0_CF2H 0x06
+#define DCRN_MQ0_CFBHL 0x0f
+#define DCRN_MQ0_BAUH 0x10
+
+/* HB/LL Paths Configuration Register */
+#define MQ0_CFBHL_TPLM 28
+#define MQ0_CFBHL_HBCL 23
+#define MQ0_CFBHL_POLY 15
+
#endif /* __DCR_REGS_H__ */
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index e281dae..80a973b 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -197,7 +197,7 @@ static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
if (!dev->dma_mask)
return 0;
- return addr + size <= *dev->dma_mask;
+ return addr + size - 1 <= *dev->dma_mask;
}
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h
index 014a624..17828ad 100644
--- a/arch/powerpc/include/asm/elf.h
+++ b/arch/powerpc/include/asm/elf.h
@@ -170,7 +170,6 @@ typedef elf_fpreg_t elf_vsrreghalf_t32[ELF_NVSRHALFREG];
#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
#define compat_elf_check_arch(x) ((x)->e_machine == EM_PPC)
-#define USE_ELF_CORE_DUMP
#define CORE_DUMP_USE_REGSET
#define ELF_EXEC_PAGESIZE PAGE_SIZE
diff --git a/arch/powerpc/include/asm/module.h b/arch/powerpc/include/asm/module.h
index 0845488..0192a4e 100644
--- a/arch/powerpc/include/asm/module.h
+++ b/arch/powerpc/include/asm/module.h
@@ -87,5 +87,10 @@ struct exception_table_entry;
void sort_ex_table(struct exception_table_entry *start,
struct exception_table_entry *finish);
+#ifdef CONFIG_MODVERSIONS
+#define ARCH_RELOCATES_KCRCTAB
+
+extern const unsigned long reloc_start[];
+#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_MODULE_H */
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 8c34149..cbd759e 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -140,6 +140,8 @@ extern void user_enable_single_step(struct task_struct *);
extern void user_enable_block_step(struct task_struct *);
extern void user_disable_single_step(struct task_struct *);
+#define ARCH_HAS_USER_SINGLE_STEP_INFO
+
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index fd51578..5547ae6 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -30,7 +30,7 @@
#include <linux/spinlock.h>
#include <linux/string.h>
#include <linux/dma-mapping.h>
-#include <linux/bitops.h>
+#include <linux/bitmap.h>
#include <linux/iommu-helper.h>
#include <linux/crash_dump.h>
#include <asm/io.h>
@@ -251,7 +251,7 @@ static void __iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
}
ppc_md.tce_free(tbl, entry, npages);
- iommu_area_free(tbl->it_map, free_entry, npages);
+ bitmap_clear(tbl->it_map, free_entry, npages);
}
static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 804f0f3..d069ff8 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -174,6 +174,15 @@ int die(const char *str, struct pt_regs *regs, long err)
return 0;
}
+void user_single_step_siginfo(struct task_struct *tsk,
+ struct pt_regs *regs, siginfo_t *info)
+{
+ memset(info, 0, sizeof(*info));
+ info->si_signo = SIGTRAP;
+ info->si_code = TRAP_TRACE;
+ info->si_addr = (void __user *)regs->nip;
+}
+
void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
{
siginfo_t info;
diff --git a/arch/powerpc/kernel/vmlinux.lds.S b/arch/powerpc/kernel/vmlinux.lds.S
index 27735a7..dcd01c8 100644
--- a/arch/powerpc/kernel/vmlinux.lds.S
+++ b/arch/powerpc/kernel/vmlinux.lds.S
@@ -38,6 +38,9 @@ jiffies = jiffies_64 + 4;
#endif
SECTIONS
{
+ . = 0;
+ reloc_start = .;
+
. = KERNELBASE;
/*
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