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-rw-r--r--arch/powerpc/Kconfig17
-rw-r--r--arch/powerpc/boot/div64.S3
-rw-r--r--arch/powerpc/include/asm/cputime.h12
-rw-r--r--arch/powerpc/include/asm/fsl_lbc.h34
-rw-r--r--arch/powerpc/include/asm/fsldma.h137
-rw-r--r--arch/powerpc/include/asm/highmem.h9
-rw-r--r--arch/powerpc/include/asm/kgdb.h1
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc32.h8
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h2
-rw-r--r--arch/powerpc/kernel/kgdb.c188
-rw-r--r--arch/powerpc/kernel/kvm.c2
-rw-r--r--arch/powerpc/kernel/ptrace.c66
-rw-r--r--arch/powerpc/kernel/setup_64.c5
-rw-r--r--arch/powerpc/kernel/sys_ppc32.c1
-rw-r--r--arch/powerpc/kernel/vio.c4
-rw-r--r--arch/powerpc/kvm/booke_interrupts.S2
-rw-r--r--arch/powerpc/kvm/e500.c2
-rw-r--r--arch/powerpc/kvm/powerpc.c1
-rw-r--r--arch/powerpc/kvm/timing.c2
-rw-r--r--arch/powerpc/mm/hash_utils_64.c2
-rw-r--r--arch/powerpc/mm/highmem.c37
-rw-r--r--arch/powerpc/mm/pgtable.c2
-rw-r--r--arch/powerpc/mm/tlb_low_64e.S5
-rw-r--r--arch/powerpc/mm/tlb_nohash.c2
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c10
-rw-r--r--arch/powerpc/platforms/pseries/Kconfig6
-rw-r--r--arch/powerpc/platforms/pseries/eeh.c2
-rw-r--r--arch/powerpc/platforms/pseries/pci_dlpar.c2
-rw-r--r--arch/powerpc/sysdev/fsl_lbc.c244
-rw-r--r--arch/powerpc/sysdev/fsl_rio.c76
30 files changed, 519 insertions, 365 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 4b1e521d966..e625e9e034a 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -1,15 +1,13 @@
-# For a description of the syntax of this configuration file,
-# see Documentation/kbuild/kconfig-language.txt.
-#
-
-mainmenu "Linux/PowerPC Kernel Configuration"
-
source "arch/powerpc/platforms/Kconfig.cputype"
config PPC32
bool
default y if !PPC64
+config 32BIT
+ bool
+ default y if PPC32
+
config 64BIT
bool
default y if PPC64
@@ -688,9 +686,12 @@ config 4xx_SOC
bool
config FSL_LBC
- bool
+ bool "Freescale Local Bus support"
+ depends on FSL_SOC
help
- Freescale Localbus support
+ Enables reporting of errors from the Freescale local bus
+ controller. Also contains some common code used by
+ drivers for specific local bus peripherals.
config FSL_GTM
bool
diff --git a/arch/powerpc/boot/div64.S b/arch/powerpc/boot/div64.S
index 722f360a32a..d271ab54267 100644
--- a/arch/powerpc/boot/div64.S
+++ b/arch/powerpc/boot/div64.S
@@ -33,9 +33,10 @@ __div64_32:
cntlzw r0,r5 # we are shifting the dividend right
li r10,-1 # to make it < 2^32, and shifting
srw r10,r10,r0 # the divisor right the same amount,
- add r9,r4,r10 # rounding up (so the estimate cannot
+ addc r9,r4,r10 # rounding up (so the estimate cannot
andc r11,r6,r10 # ever be too large, only too small)
andc r9,r9,r10
+ addze r9,r9
or r11,r5,r11
rotlw r9,r9,r0
rotlw r11,r11,r0
diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
index 8bdc6a9e577..1cf20bdfbec 100644
--- a/arch/powerpc/include/asm/cputime.h
+++ b/arch/powerpc/include/asm/cputime.h
@@ -124,23 +124,23 @@ static inline u64 cputime64_to_jiffies64(const cputime_t ct)
}
/*
- * Convert cputime <-> milliseconds
+ * Convert cputime <-> microseconds
*/
extern u64 __cputime_msec_factor;
-static inline unsigned long cputime_to_msecs(const cputime_t ct)
+static inline unsigned long cputime_to_usecs(const cputime_t ct)
{
- return mulhdu(ct, __cputime_msec_factor);
+ return mulhdu(ct, __cputime_msec_factor) * USEC_PER_MSEC;
}
-static inline cputime_t msecs_to_cputime(const unsigned long ms)
+static inline cputime_t usecs_to_cputime(const unsigned long us)
{
cputime_t ct;
unsigned long sec;
/* have to be a little careful about overflow */
- ct = ms % 1000;
- sec = ms / 1000;
+ ct = us % 1000000;
+ sec = us / 1000000;
if (ct) {
ct *= tb_ticks_per_sec;
do_div(ct, 1000);
diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h
index 1b5a21041f9..5c1bf346674 100644
--- a/arch/powerpc/include/asm/fsl_lbc.h
+++ b/arch/powerpc/include/asm/fsl_lbc.h
@@ -1,9 +1,10 @@
/* Freescale Local Bus Controller
*
- * Copyright (c) 2006-2007 Freescale Semiconductor
+ * Copyright © 2006-2007, 2010 Freescale Semiconductor
*
* Authors: Nick Spence <nick.spence@freescale.com>,
* Scott Wood <scottwood@freescale.com>
+ * Jack Lan <jack.lan@freescale.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
@@ -26,6 +27,8 @@
#include <linux/compiler.h>
#include <linux/types.h>
#include <linux/io.h>
+#include <linux/device.h>
+#include <linux/spinlock.h>
struct fsl_lbc_bank {
__be32 br; /**< Base Register */
@@ -125,13 +128,23 @@ struct fsl_lbc_regs {
#define LTESR_ATMW 0x00800000
#define LTESR_ATMR 0x00400000
#define LTESR_CS 0x00080000
+#define LTESR_UPM 0x00000002
#define LTESR_CC 0x00000001
#define LTESR_NAND_MASK (LTESR_FCT | LTESR_PAR | LTESR_CC)
+#define LTESR_MASK (LTESR_BM | LTESR_FCT | LTESR_PAR | LTESR_WP \
+ | LTESR_ATMW | LTESR_ATMR | LTESR_CS | LTESR_UPM \
+ | LTESR_CC)
+#define LTESR_CLEAR 0xFFFFFFFF
+#define LTECCR_CLEAR 0xFFFFFFFF
+#define LTESR_STATUS LTESR_MASK
+#define LTEIR_ENABLE LTESR_MASK
+#define LTEDR_ENABLE 0x00000000
__be32 ltedr; /**< Transfer Error Disable Register */
__be32 lteir; /**< Transfer Error Interrupt Register */
__be32 lteatr; /**< Transfer Error Attributes Register */
__be32 ltear; /**< Transfer Error Address Register */
- u8 res6[0xC];
+ __be32 lteccr; /**< Transfer Error ECC Register */
+ u8 res6[0x8];
__be32 lbcr; /**< Configuration Register */
#define LBCR_LDIS 0x80000000
#define LBCR_LDIS_SHIFT 31
@@ -235,6 +248,7 @@ struct fsl_upm {
int width;
};
+extern u32 fsl_lbc_addr(phys_addr_t addr_base);
extern int fsl_lbc_find(phys_addr_t addr_base);
extern int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm);
@@ -265,7 +279,23 @@ static inline void fsl_upm_end_pattern(struct fsl_upm *upm)
cpu_relax();
}
+/* overview of the fsl lbc controller */
+
+struct fsl_lbc_ctrl {
+ /* device info */
+ struct device *dev;
+ struct fsl_lbc_regs __iomem *regs;
+ int irq;
+ wait_queue_head_t irq_wait;
+ spinlock_t lock;
+ void *nand;
+
+ /* status read from LTESR by irq handler */
+ unsigned int irq_status;
+};
+
extern int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base,
u32 mar);
+extern struct fsl_lbc_ctrl *fsl_lbc_ctrl_dev;
#endif /* __ASM_FSL_LBC_H */
diff --git a/arch/powerpc/include/asm/fsldma.h b/arch/powerpc/include/asm/fsldma.h
deleted file mode 100644
index debc5ed96d6..00000000000
--- a/arch/powerpc/include/asm/fsldma.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * Freescale MPC83XX / MPC85XX DMA Controller
- *
- * Copyright (c) 2009 Ira W. Snyder <iws@ovro.caltech.edu>
- *
- * 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.
- */
-
-#ifndef __ARCH_POWERPC_ASM_FSLDMA_H__
-#define __ARCH_POWERPC_ASM_FSLDMA_H__
-
-#include <linux/slab.h>
-#include <linux/dmaengine.h>
-
-/*
- * Definitions for the Freescale DMA controller's DMA_SLAVE implemention
- *
- * The Freescale DMA_SLAVE implementation was designed to handle many-to-many
- * transfers. An example usage would be an accelerated copy between two
- * scatterlists. Another example use would be an accelerated copy from
- * multiple non-contiguous device buffers into a single scatterlist.
- *
- * A DMA_SLAVE transaction is defined by a struct fsl_dma_slave. This
- * structure contains a list of hardware addresses that should be copied
- * to/from the scatterlist passed into device_prep_slave_sg(). The structure
- * also has some fields to enable hardware-specific features.
- */
-
-/**
- * struct fsl_dma_hw_addr
- * @entry: linked list entry
- * @address: the hardware address
- * @length: length to transfer
- *
- * Holds a single physical hardware address / length pair for use
- * with the DMAEngine DMA_SLAVE API.
- */
-struct fsl_dma_hw_addr {
- struct list_head entry;
-
- dma_addr_t address;
- size_t length;
-};
-
-/**
- * struct fsl_dma_slave
- * @addresses: a linked list of struct fsl_dma_hw_addr structures
- * @request_count: value for DMA request count
- * @src_loop_size: setup and enable constant source-address DMA transfers
- * @dst_loop_size: setup and enable constant destination address DMA transfers
- * @external_start: enable externally started DMA transfers
- * @external_pause: enable externally paused DMA transfers
- *
- * Holds a list of address / length pairs for use with the DMAEngine
- * DMA_SLAVE API implementation for the Freescale DMA controller.
- */
-struct fsl_dma_slave {
-
- /* List of hardware address/length pairs */
- struct list_head addresses;
-
- /* Support for extra controller features */
- unsigned int request_count;
- unsigned int src_loop_size;
- unsigned int dst_loop_size;
- bool external_start;
- bool external_pause;
-};
-
-/**
- * fsl_dma_slave_append - add an address/length pair to a struct fsl_dma_slave
- * @slave: the &struct fsl_dma_slave to add to
- * @address: the hardware address to add
- * @length: the length of bytes to transfer from @address
- *
- * Add a hardware address/length pair to a struct fsl_dma_slave. Returns 0 on
- * success, -ERRNO otherwise.
- */
-static inline int fsl_dma_slave_append(struct fsl_dma_slave *slave,
- dma_addr_t address, size_t length)
-{
- struct fsl_dma_hw_addr *addr;
-
- addr = kzalloc(sizeof(*addr), GFP_ATOMIC);
- if (!addr)
- return -ENOMEM;
-
- INIT_LIST_HEAD(&addr->entry);
- addr->address = address;
- addr->length = length;
-
- list_add_tail(&addr->entry, &slave->addresses);
- return 0;
-}
-
-/**
- * fsl_dma_slave_free - free a struct fsl_dma_slave
- * @slave: the struct fsl_dma_slave to free
- *
- * Free a struct fsl_dma_slave and all associated address/length pairs
- */
-static inline void fsl_dma_slave_free(struct fsl_dma_slave *slave)
-{
- struct fsl_dma_hw_addr *addr, *tmp;
-
- if (slave) {
- list_for_each_entry_safe(addr, tmp, &slave->addresses, entry) {
- list_del(&addr->entry);
- kfree(addr);
- }
-
- kfree(slave);
- }
-}
-
-/**
- * fsl_dma_slave_alloc - allocate a struct fsl_dma_slave
- * @gfp: the flags to pass to kmalloc when allocating this structure
- *
- * Allocate a struct fsl_dma_slave for use by the DMA_SLAVE API. Returns a new
- * struct fsl_dma_slave on success, or NULL on failure.
- */
-static inline struct fsl_dma_slave *fsl_dma_slave_alloc(gfp_t gfp)
-{
- struct fsl_dma_slave *slave;
-
- slave = kzalloc(sizeof(*slave), gfp);
- if (!slave)
- return NULL;
-
- INIT_LIST_HEAD(&slave->addresses);
- return slave;
-}
-
-#endif /* __ARCH_POWERPC_ASM_FSLDMA_H__ */
diff --git a/arch/powerpc/include/asm/highmem.h b/arch/powerpc/include/asm/highmem.h
index d10d64a4be3..dbc264010d0 100644
--- a/arch/powerpc/include/asm/highmem.h
+++ b/arch/powerpc/include/asm/highmem.h
@@ -60,9 +60,8 @@ extern pte_t *pkmap_page_table;
extern void *kmap_high(struct page *page);
extern void kunmap_high(struct page *page);
-extern void *kmap_atomic_prot(struct page *page, enum km_type type,
- pgprot_t prot);
-extern void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type);
+extern void *kmap_atomic_prot(struct page *page, pgprot_t prot);
+extern void __kunmap_atomic(void *kvaddr);
static inline void *kmap(struct page *page)
{
@@ -80,9 +79,9 @@ static inline void kunmap(struct page *page)
kunmap_high(page);
}
-static inline void *kmap_atomic(struct page *page, enum km_type type)
+static inline void *__kmap_atomic(struct page *page)
{
- return kmap_atomic_prot(page, type, kmap_prot);
+ return kmap_atomic_prot(page, kmap_prot);
}
static inline struct page *kmap_atomic_to_page(void *ptr)
diff --git a/arch/powerpc/include/asm/kgdb.h b/arch/powerpc/include/asm/kgdb.h
index edd217006d2..9db24e77b9f 100644
--- a/arch/powerpc/include/asm/kgdb.h
+++ b/arch/powerpc/include/asm/kgdb.h
@@ -31,6 +31,7 @@ static inline void arch_kgdb_breakpoint(void)
asm(".long 0x7d821008"); /* twge r2, r2 */
}
#define CACHE_FLUSH_IS_SAFE 1
+#define DBG_MAX_REG_NUM 70
/* The number bytes of registers we have to save depends on a few
* things. For 64bit we default to not including vector registers and
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/pgtable-ppc32.h
index a7db96f2b5c..47edde8c355 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/pgtable-ppc32.h
@@ -308,12 +308,8 @@ static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
#define pte_offset_kernel(dir, addr) \
((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr))
#define pte_offset_map(dir, addr) \
- ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE0) + pte_index(addr))
-#define pte_offset_map_nested(dir, addr) \
- ((pte_t *) kmap_atomic(pmd_page(*(dir)), KM_PTE1) + pte_index(addr))
-
-#define pte_unmap(pte) kunmap_atomic(pte, KM_PTE0)
-#define pte_unmap_nested(pte) kunmap_atomic(pte, KM_PTE1)
+ ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr))
+#define pte_unmap(pte) kunmap_atomic(pte)
/*
* Encode and decode a swap entry.
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 49865045d56..2b09cd522d3 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -193,9 +193,7 @@
(((pte_t *) pmd_page_vaddr(*(dir))) + (((addr) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)))
#define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr))
-#define pte_offset_map_nested(dir,addr) pte_offset_kernel((dir), (addr))
#define pte_unmap(pte) do { } while(0)
-#define pte_unmap_nested(pte) do { } while(0)
/* to find an entry in a kernel page-table-directory */
/* This now only contains the vmalloc pages */
diff --git a/arch/powerpc/kernel/kgdb.c b/arch/powerpc/kernel/kgdb.c
index 7f61a3ac787..42850ee00ad 100644
--- a/arch/powerpc/kernel/kgdb.c
+++ b/arch/powerpc/kernel/kgdb.c
@@ -194,40 +194,6 @@ static int kgdb_dabr_match(struct pt_regs *regs)
ptr = (unsigned long *)ptr32; \
} while (0)
-
-void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
-{
- unsigned long *ptr = gdb_regs;
- int reg;
-
- memset(gdb_regs, 0, NUMREGBYTES);
-
- for (reg = 0; reg < 32; reg++)
- PACK64(ptr, regs->gpr[reg]);
-
-#ifdef CONFIG_FSL_BOOKE
-#ifdef CONFIG_SPE
- for (reg = 0; reg < 32; reg++)
- PACK64(ptr, current->thread.evr[reg]);
-#else
- ptr += 32;
-#endif
-#else
- /* fp registers not used by kernel, leave zero */
- ptr += 32 * 8 / sizeof(long);
-#endif
-
- PACK64(ptr, regs->nip);
- PACK64(ptr, regs->msr);
- PACK32(ptr, regs->ccr);
- PACK64(ptr, regs->link);
- PACK64(ptr, regs->ctr);
- PACK32(ptr, regs->xer);
-
- BUG_ON((unsigned long)ptr >
- (unsigned long)(((void *)gdb_regs) + NUMREGBYTES));
-}
-
void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
{
struct pt_regs *regs = (struct pt_regs *)(p->thread.ksp +
@@ -271,44 +237,140 @@ void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
(unsigned long)(((void *)gdb_regs) + NUMREGBYTES));
}
-#define UNPACK64(dest, ptr) do { dest = *(ptr++); } while (0)
+#define GDB_SIZEOF_REG sizeof(unsigned long)
+#define GDB_SIZEOF_REG_U32 sizeof(u32)
-#define UNPACK32(dest, ptr) do { \
- u32 *ptr32; \
- ptr32 = (u32 *)ptr; \
- dest = *(ptr32++); \
- ptr = (unsigned long *)ptr32; \
- } while (0)
+#ifdef CONFIG_FSL_BOOKE
+#define GDB_SIZEOF_FLOAT_REG sizeof(unsigned long)
+#else
+#define GDB_SIZEOF_FLOAT_REG sizeof(u64)
+#endif
-void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
+struct dbg_reg_def_t dbg_reg_def[DBG_MAX_REG_NUM] =
{
- unsigned long *ptr = gdb_regs;
- int reg;
-
- for (reg = 0; reg < 32; reg++)
- UNPACK64(regs->gpr[reg], ptr);
+ { "r0", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[0]) },
+ { "r1", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[1]) },
+ { "r2", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[2]) },
+ { "r3", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[3]) },
+ { "r4", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[4]) },
+ { "r5", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[5]) },
+ { "r6", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[6]) },
+ { "r7", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[7]) },
+ { "r8", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[8]) },
+ { "r9", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[9]) },
+ { "r10", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[10]) },
+ { "r11", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[11]) },
+ { "r12", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[12]) },
+ { "r13", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[13]) },
+ { "r14", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[14]) },
+ { "r15", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[15]) },
+ { "r16", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[16]) },
+ { "r17", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[17]) },
+ { "r18", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[18]) },
+ { "r19", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[19]) },
+ { "r20", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[20]) },
+ { "r21", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[21]) },
+ { "r22", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[22]) },
+ { "r23", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[23]) },
+ { "r24", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[24]) },
+ { "r25", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[25]) },
+ { "r26", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[26]) },
+ { "r27", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[27]) },
+ { "r28", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[28]) },
+ { "r29", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[29]) },
+ { "r30", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[30]) },
+ { "r31", GDB_SIZEOF_REG, offsetof(struct pt_regs, gpr[31]) },
+
+ { "f0", GDB_SIZEOF_FLOAT_REG, 0 },
+ { "f1", GDB_SIZEOF_FLOAT_REG, 1 },
+ { "f2", GDB_SIZEOF_FLOAT_REG, 2 },
+ { "f3", GDB_SIZEOF_FLOAT_REG, 3 },
+ { "f4", GDB_SIZEOF_FLOAT_REG, 4 },
+ { "f5", GDB_SIZEOF_FLOAT_REG, 5 },
+ { "f6", GDB_SIZEOF_FLOAT_REG, 6 },
+ { "f7", GDB_SIZEOF_FLOAT_REG, 7 },
+ { "f8", GDB_SIZEOF_FLOAT_REG, 8 },
+ { "f9", GDB_SIZEOF_FLOAT_REG, 9 },
+ { "f10", GDB_SIZEOF_FLOAT_REG, 10 },
+ { "f11", GDB_SIZEOF_FLOAT_REG, 11 },
+ { "f12", GDB_SIZEOF_FLOAT_REG, 12 },
+ { "f13", GDB_SIZEOF_FLOAT_REG, 13 },
+ { "f14", GDB_SIZEOF_FLOAT_REG, 14 },
+ { "f15", GDB_SIZEOF_FLOAT_REG, 15 },
+ { "f16", GDB_SIZEOF_FLOAT_REG, 16 },
+ { "f17", GDB_SIZEOF_FLOAT_REG, 17 },
+ { "f18", GDB_SIZEOF_FLOAT_REG, 18 },
+ { "f19", GDB_SIZEOF_FLOAT_REG, 19 },
+ { "f20", GDB_SIZEOF_FLOAT_REG, 20 },
+ { "f21", GDB_SIZEOF_FLOAT_REG, 21 },
+ { "f22", GDB_SIZEOF_FLOAT_REG, 22 },
+ { "f23", GDB_SIZEOF_FLOAT_REG, 23 },
+ { "f24", GDB_SIZEOF_FLOAT_REG, 24 },
+ { "f25", GDB_SIZEOF_FLOAT_REG, 25 },
+ { "f26", GDB_SIZEOF_FLOAT_REG, 26 },
+ { "f27", GDB_SIZEOF_FLOAT_REG, 27 },
+ { "f28", GDB_SIZEOF_FLOAT_REG, 28 },
+ { "f29", GDB_SIZEOF_FLOAT_REG, 29 },
+ { "f30", GDB_SIZEOF_FLOAT_REG, 30 },
+ { "f31", GDB_SIZEOF_FLOAT_REG, 31 },
+
+ { "pc", GDB_SIZEOF_REG, offsetof(struct pt_regs, nip) },
+ { "msr", GDB_SIZEOF_REG, offsetof(struct pt_regs, msr) },
+ { "cr", GDB_SIZEOF_REG_U32, offsetof(struct pt_regs, ccr) },
+ { "lr", GDB_SIZEOF_REG, offsetof(struct pt_regs, link) },
+ { "ctr", GDB_SIZEOF_REG_U32, offsetof(struct pt_regs, ctr) },
+ { "xer", GDB_SIZEOF_REG, offsetof(struct pt_regs, xer) },
+};
-#ifdef CONFIG_FSL_BOOKE
-#ifdef CONFIG_SPE
- for (reg = 0; reg < 32; reg++)
- UNPACK64(current->thread.evr[reg], ptr);
+char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs)
+{
+ if (regno >= DBG_MAX_REG_NUM || regno < 0)
+ return NULL;
+
+ if (regno < 32 || regno >= 64)
+ /* First 0 -> 31 gpr registers*/
+ /* pc, msr, ls... registers 64 -> 69 */
+ memcpy(mem, (void *)regs + dbg_reg_def[regno].offset,
+ dbg_reg_def[regno].size);
+
+ if (regno >= 32 && regno < 64) {
+ /* FP registers 32 -> 63 */
+#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE)
+ if (current)
+ memcpy(mem, &current->thread.evr[regno-32],
+ dbg_reg_def[regno].size);
#else
- ptr += 32;
+ /* fp registers not used by kernel, leave zero */
+ memset(mem, 0, dbg_reg_def[regno].size);
#endif
+ }
+
+ return dbg_reg_def[regno].name;
+}
+
+int dbg_set_reg(int regno, void *mem, struct pt_regs *regs)
+{
+ if (regno >= DBG_MAX_REG_NUM || regno < 0)
+ return -EINVAL;
+
+ if (regno < 32 || regno >= 64)
+ /* First 0 -> 31 gpr registers*/
+ /* pc, msr, ls... registers 64 -> 69 */
+ memcpy((void *)regs + dbg_reg_def[regno].offset, mem,
+ dbg_reg_def[regno].size);
+
+ if (regno >= 32 && regno < 64) {
+ /* FP registers 32 -> 63 */
+#if defined(CONFIG_FSL_BOOKE) && defined(CONFIG_SPE)
+ memcpy(&current->thread.evr[regno-32], mem,
+ dbg_reg_def[regno].size);
#else
- /* fp registers not used by kernel, leave zero */
- ptr += 32 * 8 / sizeof(int);
+ /* fp registers not used by kernel, leave zero */
+ return 0;
#endif
+ }
- UNPACK64(regs->nip, ptr);
- UNPACK64(regs->msr, ptr);
- UNPACK32(regs->ccr, ptr);
- UNPACK64(regs->link, ptr);
- UNPACK64(regs->ctr, ptr);
- UNPACK32(regs->xer, ptr);
-
- BUG_ON((unsigned long)ptr >
- (unsigned long)(((void *)gdb_regs) + NUMREGBYTES));
+ return 0;
}
void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long pc)
diff --git a/arch/powerpc/kernel/kvm.c b/arch/powerpc/kernel/kvm.c
index 428d0e538ae..b06bdae0406 100644
--- a/arch/powerpc/kernel/kvm.c
+++ b/arch/powerpc/kernel/kvm.c
@@ -127,7 +127,7 @@ static void kvm_patch_ins_nop(u32 *inst)
static void kvm_patch_ins_b(u32 *inst, int addr)
{
-#ifdef CONFIG_RELOCATABLE
+#if defined(CONFIG_RELOCATABLE) && defined(CONFIG_PPC_BOOK3S)
/* On relocatable kernels interrupts handlers and our code
can be in different regions, so we don't patch them */
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 286d9783d93..a9b32967cff 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -1406,37 +1406,42 @@ static long ppc_del_hwdebug(struct task_struct *child, long addr, long data)
* Here are the old "legacy" powerpc specific getregs/setregs ptrace calls,
* we mark them as obsolete now, they will be removed in a future version
*/
-static long arch_ptrace_old(struct task_struct *child, long request, long addr,
- long data)
+static long arch_ptrace_old(struct task_struct *child, long request,
+ unsigned long addr, unsigned long data)
{
+ void __user *datavp = (void __user *) data;
+
switch (request) {
case PPC_PTRACE_GETREGS: /* Get GPRs 0 - 31. */
return copy_regset_to_user(child, &user_ppc_native_view,
REGSET_GPR, 0, 32 * sizeof(long),
- (void __user *) data);
+ datavp);
case PPC_PTRACE_SETREGS: /* Set GPRs 0 - 31. */
return copy_regset_from_user(child, &user_ppc_native_view,
REGSET_GPR, 0, 32 * sizeof(long),
- (const void __user *) data);
+ datavp);
case PPC_PTRACE_GETFPREGS: /* Get FPRs 0 - 31. */
return copy_regset_to_user(child, &user_ppc_native_view,
REGSET_FPR, 0, 32 * sizeof(double),
- (void __user *) data);
+ datavp);
case PPC_PTRACE_SETFPREGS: /* Set FPRs 0 - 31. */
return copy_regset_from_user(child, &user_ppc_native_view,
REGSET_FPR, 0, 32 * sizeof(double),
- (const void __user *) data);
+ datavp);
}
return -EPERM;
}
-long arch_ptrace(struct task_struct *child, long request, long addr, long data)
+long arch_ptrace(struct task_struct *child, long request,
+ unsigned long addr, unsigned long data)
{
int ret = -EPERM;
+ void __user *datavp = (void __user *) data;
+ unsigned long __user *datalp = datavp;
switch (request) {
/* read the word at location addr in the USER area. */
@@ -1446,11 +1451,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
ret = -EIO;
/* convert to index and check */
#ifdef CONFIG_PPC32
- index = (unsigned long) addr >> 2;
+ index = addr >> 2;
if ((addr & 3) || (index > PT_FPSCR)
|| (child->thread.regs == NULL))
#else
- index = (unsigned long) addr >> 3;
+ index = addr >> 3;
if ((addr & 7) || (index > PT_FPSCR))
#endif
break;
@@ -1463,7 +1468,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
tmp = ((unsigned long *)child->thread.fpr)
[TS_FPRWIDTH * (index - PT_FPR0)];
}
- ret = put_user(tmp,(unsigned long __user *) data);
+ ret = put_user(tmp, datalp);
break;
}
@@ -1474,11 +1479,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
ret = -EIO;
/* convert to index and check */
#ifdef CONFIG_PPC32
- index = (unsigned long) addr >> 2;
+ index = addr >> 2;
if ((addr & 3) || (index > PT_FPSCR)
|| (child->thread.regs == NULL))
#else
- index = (unsigned long) addr >> 3;
+ index = addr >> 3;
if ((addr & 7) || (index > PT_FPSCR))
#endif
break;
@@ -1525,11 +1530,11 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
dbginfo.features = 0;
#endif /* CONFIG_PPC_ADV_DEBUG_REGS */
- if (!access_ok(VERIFY_WRITE, data,
+ if (!access_ok(VERIFY_WRITE, datavp,
sizeof(struct ppc_debug_info)))
return -EFAULT;
- ret = __copy_to_user((struct ppc_debug_info __user *)data,
- &dbginfo, sizeof(struct ppc_debug_info)) ?
+ ret = __copy_to_user(datavp, &dbginfo,
+ sizeof(struct ppc_debug_info)) ?
-EFAULT : 0;
break;
}
@@ -1537,11 +1542,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
case PPC_PTRACE_SETHWDEBUG: {
struct ppc_hw_breakpoint bp_info;
- if (!access_ok(VERIFY_READ, data,
+ if (!access_ok(VERIFY_READ, datavp,
sizeof(struct ppc_hw_breakpoint)))
return -EFAULT;
- ret = __copy_from_user(&bp_info,
- (struct ppc_hw_breakpoint __user *)data,
+ ret = __copy_from_user(&bp_info, datavp,
sizeof(struct ppc_hw_breakpoint)) ?
-EFAULT : 0;
if (!ret)
@@ -1560,11 +1564,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
if (addr > 0)
break;
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
- ret = put_user(child->thread.dac1,
- (unsigned long __user *)data);
+ ret = put_user(child->thread.dac1, datalp);
#else
- ret = put_user(child->thread.dabr,
- (unsigned long __user *)data);
+ ret = put_user(child->thread.dabr, datalp);
#endif
break;
}
@@ -1580,7 +1582,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
return copy_regset_to_user(child, &user_ppc_native_view,
REGSET_GPR,
0, sizeof(struct pt_regs),
- (void __user *) data);
+ datavp);
#ifdef CONFIG_PPC64
case PTRACE_SETREGS64:
@@ -1589,19 +1591,19 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
return copy_regset_from_user(child, &user_ppc_native_view,
REGSET_GPR,
0, sizeof(struct pt_regs),
- (const void __user *) data);
+ datavp);
case PTRACE_GETFPREGS: /* Get the child FPU state (FPR0...31 + FPSCR) */
return copy_regset_to_user(child, &user_ppc_native_view,
REGSET_FPR,
0, sizeof(elf_fpregset_t),
- (void __user *) data);
+ datavp);
case PTRACE_SETFPREGS: /* Set the child FPU state (FPR0...31 + FPSCR) */
return copy_regset_from_user(child, &user_ppc_native_view,
REGSET_FPR,
0, sizeof(elf_fpregset_t),
- (const void __user *) data);
+ datavp);
#ifdef CONFIG_ALTIVEC
case PTRACE_GETVRREGS:
@@ -1609,40 +1611,40 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
REGSET_VMX,
0, (33 * sizeof(vector128) +
sizeof(u32)),
- (void __user *) data);
+ datavp);
case PTRACE_SETVRREGS:
return copy_regset_from_user(child, &user_ppc_native_view,
REGSET_VMX,
0, (33 * sizeof(vector128) +
sizeof(u32)),
- (const void __user *) data);
+ datavp);
#endif
#ifdef CONFIG_VSX
case PTRACE_GETVSRREGS:
return copy_regset_to_user(child, &user_ppc_native_view,
REGSET_VSX,
0, 32 * sizeof(double),
- (void __user *) data);
+ datavp);
case PTRACE_SETVSRREGS:
return copy_regset_from_user(child, &user_ppc_native_view,
REGSET_VSX,
0, 32 * sizeof(double),
- (const void __user *) data);
+ datavp);
#endif
#ifdef CONFIG_SPE
case PTRACE_GETEVRREGS:
/* Get the child spe register state. */
return copy_regset_to_user(child, &user_ppc_native_view,
REGSET_SPE, 0, 35 * sizeof(u32),
- (void __user *) data);
+ datavp);
case PTRACE_SETEVRREGS:
/* Set the child spe register state. */
return copy_regset_from_user(child, &user_ppc_native_view,
REGSET_SPE, 0, 35 * sizeof(u32),
- (const void __user *) data);
+ datavp);
#endif
/* Old reverse args ptrace callss */
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 2a178b0ebcd..ce6f61c6f87 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -497,9 +497,8 @@ static void __init emergency_stack_init(void)
}
/*
- * Called into from start_kernel, after lock_kernel has been called.
- * Initializes bootmem, which is unsed to manage page allocation until
- * mem_init is called.
+ * Called into from start_kernel this initializes bootmem, which is used
+ * to manage page allocation until mem_init is called.
*/
void __init setup_arch(char **cmdline_p)
{
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index b1b6043a56c..4e5bf1edc0f 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -23,7 +23,6 @@
#include <linux/resource.h>
#include <linux/times.h>
#include <linux/smp.h>
-#include <linux/smp_lock.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index d692989a431..441d2a722f0 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -238,9 +238,7 @@ static inline void vio_cmo_dealloc(struct vio_dev *viodev, size_t size)
* memory in this pool does not change.
*/
if (spare_needed && reserve_freed) {
- tmp = min(spare_needed, min(reserve_freed,
- (viodev->cmo.entitled -
- VIO_CMO_MIN_ENT)));
+ tmp = min3(spare_needed, reserve_freed, (viodev->cmo.entitled - VIO_CMO_MIN_ENT));
vio_cmo.spare += tmp;
viodev->cmo.entitled -= tmp;
diff --git a/arch/powerpc/kvm/booke_interrupts.S b/arch/powerpc/kvm/booke_interrupts.S
index 049846911ce..1cc471faac2 100644
--- a/arch/powerpc/kvm/booke_interrupts.S
+++ b/arch/powerpc/kvm/booke_interrupts.S
@@ -416,7 +416,7 @@ lightweight_exit:
lwz r3, VCPU_PC(r4)
mtsrr0 r3
lwz r3, VCPU_SHARED(r4)
- lwz r3, VCPU_SHARED_MSR(r3)
+ lwz r3, (VCPU_SHARED_MSR + 4)(r3)
oris r3, r3, KVMPPC_MSR_MASK@h
ori r3, r3, KVMPPC_MSR_MASK@l
mtsrr1 r3
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 71750f2dd5d..e3768ee9b59 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -138,8 +138,8 @@ void kvmppc_core_vcpu_free(struct kvm_vcpu *vcpu)
struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
free_page((unsigned long)vcpu->arch.shared);
- kvmppc_e500_tlb_uninit(vcpu_e500);
kvm_vcpu_uninit(vcpu);
+ kvmppc_e500_tlb_uninit(vcpu_e500);
kmem_cache_free(kvm_vcpu_cache, vcpu_e500);
}
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 2f87a1627f6..38f756f2505 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -617,6 +617,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
switch (ioctl) {
case KVM_PPC_GET_PVINFO: {
struct kvm_ppc_pvinfo pvinfo;
+ memset(&pvinfo, 0, sizeof(pvinfo));
r = kvm_vm_ioctl_get_pvinfo(&pvinfo);
if (copy_to_user(argp, &pvinfo, sizeof(pvinfo))) {
r = -EFAULT;
diff --git a/arch/powerpc/kvm/timing.c b/arch/powerpc/kvm/timing.c
index 46fa04f12a9..a021f5827a3 100644
--- a/arch/powerpc/kvm/timing.c
+++ b/arch/powerpc/kvm/timing.c
@@ -35,7 +35,6 @@ void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu)
int i;
/* pause guest execution to avoid concurrent updates */
- local_irq_disable();
mutex_lock(&vcpu->mutex);
vcpu->arch.last_exit_type = 0xDEAD;
@@ -51,7 +50,6 @@ void kvmppc_init_timing_stats(struct kvm_vcpu *vcpu)
vcpu->arch.timing_last_enter.tv64 = 0;
mutex_unlock(&vcpu->mutex);
- local_irq_enable();
}
static void add_exit_timing(struct kvm_vcpu *vcpu, u64 duration, int type)
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 83f534d862d..5e9584405c4 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -1123,7 +1123,7 @@ void hash_preload(struct mm_struct *mm, unsigned long ea,
else
#endif /* CONFIG_PPC_HAS_HASH_64K */
rc = __hash_page_4K(ea, access, vsid, ptep, trap, local, ssize,
- subpage_protection(pgdir, ea));
+ subpage_protection(mm, ea));
/* Dump some info in case of hash insertion failure, they should
* never happen so it is really useful to know if/when they do
diff --git a/arch/powerpc/mm/highmem.c b/arch/powerpc/mm/highmem.c
index 857d4173f9c..e7450bdbe83 100644
--- a/arch/powerpc/mm/highmem.c
+++ b/arch/powerpc/mm/highmem.c
@@ -29,17 +29,17 @@
* be used in IRQ contexts, so in some (very limited) cases we need
* it.
*/
-void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot)
+void *kmap_atomic_prot(struct page *page, pgprot_t prot)
{
- unsigned int idx;
unsigned long vaddr;
+ int idx, type;
/* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */
pagefault_disable();
if (!PageHighMem(page))
return page_address(page);
- debug_kmap_atomic(type);
+ type = kmap_atomic_idx_push();
idx = type + KM_TYPE_NR*smp_processor_id();
vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
#ifdef CONFIG_DEBUG_HIGHMEM
@@ -52,26 +52,35 @@ void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot)
}
EXPORT_SYMBOL(kmap_atomic_prot);
-void kunmap_atomic_notypecheck(void *kvaddr, enum km_type type)
+void __kunmap_atomic(void *kvaddr)
{
-#ifdef CONFIG_DEBUG_HIGHMEM
unsigned long vaddr = (unsigned long) kvaddr & PAGE_MASK;
- enum fixed_addresses idx = type + KM_TYPE_NR*smp_processor_id();
+ int type;
if (vaddr < __fix_to_virt(FIX_KMAP_END)) {
pagefault_enable();
return;
}
- BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx));
+ type = kmap_atomic_idx();
- /*
- * force other mappings to Oops if they'll try to access
- * this pte without first remap it
- */
- pte_clear(&init_mm, vaddr, kmap_pte-idx);
- local_flush_tlb_page(NULL, vaddr);
+#ifdef CONFIG_DEBUG_HIGHMEM
+ {
+ unsigned int idx;
+
+ idx = type + KM_TYPE_NR * smp_processor_id();
+ BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx));
+
+ /*
+ * force other mappings to Oops if they'll try to access
+ * this pte without first remap it
+ */
+ pte_clear(&init_mm, vaddr, kmap_pte-idx);
+ local_flush_tlb_page(NULL, vaddr);
+ }
#endif
+
+ kmap_atomic_idx_pop();
pagefault_enable();
}
-EXPORT_SYMBOL(kunmap_atomic_notypecheck);
+EXPORT_SYMBOL(__kunmap_atomic);
diff --git a/arch/powerpc/mm/pgtable.c b/arch/powerpc/mm/pgtable.c
index 2c7e801ab20..6a3997f98df 100644
--- a/arch/powerpc/mm/pgtable.c
+++ b/arch/powerpc/mm/pgtable.c
@@ -92,7 +92,7 @@ static void pte_free_rcu_callback(struct rcu_head *head)
static void pte_free_submit(struct pte_freelist_batch *batch)
{
- call_rcu(&batch->rcu, pte_free_rcu_callback);
+ call_rcu_sched(&batch->rcu, pte_free_rcu_callback);
}
void pgtable_free_tlb(struct mmu_gather *tlb, void *table, unsigned shift)
diff --git a/arch/powerpc/mm/tlb_low_64e.S b/arch/powerpc/mm/tlb_low_64e.S
index 8b04c54e596..8526bd9d2aa 100644
--- a/arch/powerpc/mm/tlb_low_64e.S
+++ b/arch/powerpc/mm/tlb_low_64e.S
@@ -138,8 +138,11 @@
cmpldi cr0,r15,0 /* Check for user region */
std r14,EX_TLB_ESR(r12) /* write crazy -1 to frame */
beq normal_tlb_miss
+
+ li r11,_PAGE_PRESENT|_PAGE_BAP_SX /* Base perm */
+ oris r11,r11,_PAGE_ACCESSED@h
/* XXX replace the RMW cycles with immediate loads + writes */
-1: mfspr r10,SPRN_MAS1
+ mfspr r10,SPRN_MAS1
cmpldi cr0,r15,8 /* Check for vmalloc region */
rlwinm r10,r10,0,16,1 /* Clear TID */
mtspr SPRN_MAS1,r10
diff --git a/arch/powerpc/mm/tlb_nohash.c b/arch/powerpc/mm/tlb_nohash.c
index 36c0c449a89..2a030d89bbc 100644
--- a/arch/powerpc/mm/tlb_nohash.c
+++ b/arch/powerpc/mm/tlb_nohash.c
@@ -585,6 +585,6 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
ppc64_rma_size = min_t(u64, first_memblock_size, 0x40000000);
/* Finally limit subsequent allocations */
- memblock_set_current_limit(ppc64_memblock_base + ppc64_rma_size);
+ memblock_set_current_limit(first_memblock_base + ppc64_rma_size);
}
#endif /* CONFIG_PPC64 */
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index 5dec408d670..3532b92de98 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -798,17 +798,17 @@ spufs_fill_super(struct super_block *sb, void *data, int silent)
return spufs_create_root(sb, data);
}
-static int
-spufs_get_sb(struct file_system_type *fstype, int flags,
- const char *name, void *data, struct vfsmount *mnt)
+static struct dentry *
+spufs_mount(struct file_system_type *fstype, int flags,
+ const char *name, void *data)
{
- return get_sb_single(fstype, flags, data, spufs_fill_super, mnt);
+ return mount_single(fstype, flags, data, spufs_fill_super);
}
static struct file_system_type spufs_type = {
.owner = THIS_MODULE,
.name = "spufs",
- .get_sb = spufs_get_sb,
+ .mount = spufs_mount,
.kill_sb = kill_litter_super,
};
diff --git a/arch/powerpc/platforms/pseries/Kconfig b/arch/powerpc/platforms/pseries/Kconfig
index c667f0f02c3..3139814f643 100644
--- a/arch/powerpc/platforms/pseries/Kconfig
+++ b/arch/powerpc/platforms/pseries/Kconfig
@@ -47,6 +47,12 @@ config LPARCFG
config PPC_PSERIES_DEBUG
depends on PPC_PSERIES && PPC_EARLY_DEBUG
bool "Enable extra debug logging in platforms/pseries"
+ help
+ Say Y here if you want the pseries core to produce a bunch of
+ debug messages to the system log. Select this if you are having a
+ problem with the pseries core and want to see more of what is
+ going on. This does not enable debugging in lpar.c, which must
+ be manually done due to its verbosity.
default y
config PPC_SMLPAR
diff --git a/arch/powerpc/platforms/pseries/eeh.c b/arch/powerpc/platforms/pseries/eeh.c
index 34b7dc12e73..17a11c82e6f 100644
--- a/arch/powerpc/platforms/pseries/eeh.c
+++ b/arch/powerpc/platforms/pseries/eeh.c
@@ -21,8 +21,6 @@
* Please address comments and feedback to Linas Vepstas <linas@austin.ibm.com>
*/
-#undef DEBUG
-
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/list.h>
diff --git a/arch/powerpc/platforms/pseries/pci_dlpar.c b/arch/powerpc/platforms/pseries/pci_dlpar.c
index 4b7a062dee1..5fcc92a12d3 100644
--- a/arch/powerpc/platforms/pseries/pci_dlpar.c
+++ b/arch/powerpc/platforms/pseries/pci_dlpar.c
@@ -25,8 +25,6 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-#undef DEBUG
-
#include <linux/pci.h>
#include <asm/pci-bridge.h>
#include <asm/ppc-pci.h>
diff --git a/arch/powerpc/sysdev/fsl_lbc.c b/arch/powerpc/sysdev/fsl_lbc.c
index dceb8d1a843..4fcb5a4e60d 100644
--- a/arch/powerpc/sysdev/fsl_lbc.c
+++ b/arch/powerpc/sysdev/fsl_lbc.c
@@ -1,9 +1,12 @@
/*
* Freescale LBC and UPM routines.
*
- * Copyright (c) 2007-2008 MontaVista Software, Inc.
+ * Copyright © 2007-2008 MontaVista Software, Inc.
+ * Copyright © 2010 Freescale Semiconductor
*
* Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ * Author: Jack Lan <Jack.Lan@freescale.com>
+ * Author: Roy Zang <tie-fei.zang@freescale.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
@@ -19,39 +22,37 @@
#include <linux/types.h>
#include <linux/io.h>
#include <linux/of.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/mod_devicetable.h>
#include <asm/prom.h>
#include <asm/fsl_lbc.h>
static spinlock_t fsl_lbc_lock = __SPIN_LOCK_UNLOCKED(fsl_lbc_lock);
-static struct fsl_lbc_regs __iomem *fsl_lbc_regs;
+struct fsl_lbc_ctrl *fsl_lbc_ctrl_dev;
+EXPORT_SYMBOL(fsl_lbc_ctrl_dev);
-static char __initdata *compat_lbc[] = {
- "fsl,pq2-localbus",
- "fsl,pq2pro-localbus",
- "fsl,pq3-localbus",
- "fsl,elbc",
-};
-
-static int __init fsl_lbc_init(void)
+/**
+ * fsl_lbc_addr - convert the base address
+ * @addr_base: base address of the memory bank
+ *
+ * This function converts a base address of lbc into the right format for the
+ * BR register. If the SOC has eLBC then it returns 32bit physical address
+ * else it convers a 34bit local bus physical address to correct format of
+ * 32bit address for BR register (Example: MPC8641).
+ */
+u32 fsl_lbc_addr(phys_addr_t addr_base)
{
- struct device_node *lbus;
- int i;
+ struct device_node *np = fsl_lbc_ctrl_dev->dev->of_node;
+ u32 addr = addr_base & 0xffff8000;
- for (i = 0; i < ARRAY_SIZE(compat_lbc); i++) {
- lbus = of_find_compatible_node(NULL, NULL, compat_lbc[i]);
- if (lbus)
- goto found;
- }
- return -ENODEV;
+ if (of_device_is_compatible(np, "fsl,elbc"))
+ return addr;
-found:
- fsl_lbc_regs = of_iomap(lbus, 0);
- of_node_put(lbus);
- if (!fsl_lbc_regs)
- return -ENOMEM;
- return 0;
+ return addr | ((addr_base & 0x300000000ull) >> 19);
}
-arch_initcall(fsl_lbc_init);
+EXPORT_SYMBOL(fsl_lbc_addr);
/**
* fsl_lbc_find - find Localbus bank
@@ -65,15 +66,17 @@ arch_initcall(fsl_lbc_init);
int fsl_lbc_find(phys_addr_t addr_base)
{
int i;
+ struct fsl_lbc_regs __iomem *lbc;
- if (!fsl_lbc_regs)
+ if (!fsl_lbc_ctrl_dev || !fsl_lbc_ctrl_dev->regs)
return -ENODEV;
- for (i = 0; i < ARRAY_SIZE(fsl_lbc_regs->bank); i++) {
- __be32 br = in_be32(&fsl_lbc_regs->bank[i].br);
- __be32 or = in_be32(&fsl_lbc_regs->bank[i].or);
+ lbc = fsl_lbc_ctrl_dev->regs;
+ for (i = 0; i < ARRAY_SIZE(lbc->bank); i++) {
+ __be32 br = in_be32(&lbc->bank[i].br);
+ __be32 or = in_be32(&lbc->bank[i].or);
- if (br & BR_V && (br & or & BR_BA) == addr_base)
+ if (br & BR_V && (br & or & BR_BA) == fsl_lbc_addr(addr_base))
return i;
}
@@ -94,22 +97,27 @@ int fsl_upm_find(phys_addr_t addr_base, struct fsl_upm *upm)
{
int bank;
__be32 br;
+ struct fsl_lbc_regs __iomem *lbc;
bank = fsl_lbc_find(addr_base);
if (bank < 0)
return bank;
- br = in_be32(&fsl_lbc_regs->bank[bank].br);
+ if (!fsl_lbc_ctrl_dev || !fsl_lbc_ctrl_dev->regs)
+ return -ENODEV;
+
+ lbc = fsl_lbc_ctrl_dev->regs;
+ br = in_be32(&lbc->bank[bank].br);
switch (br & BR_MSEL) {
case BR_MS_UPMA:
- upm->mxmr = &fsl_lbc_regs->mamr;
+ upm->mxmr = &lbc->mamr;
break;
case BR_MS_UPMB:
- upm->mxmr = &fsl_lbc_regs->mbmr;
+ upm->mxmr = &lbc->mbmr;
break;
case BR_MS_UPMC:
- upm->mxmr = &fsl_lbc_regs->mcmr;
+ upm->mxmr = &lbc->mcmr;
break;
default:
return -EINVAL;
@@ -148,9 +156,12 @@ int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base, u32 mar)
int ret = 0;
unsigned long flags;
+ if (!fsl_lbc_ctrl_dev || !fsl_lbc_ctrl_dev->regs)
+ return -ENODEV;
+
spin_lock_irqsave(&fsl_lbc_lock, flags);
- out_be32(&fsl_lbc_regs->mar, mar);
+ out_be32(&fsl_lbc_ctrl_dev->regs->mar, mar);
switch (upm->width) {
case 8:
@@ -172,3 +183,166 @@ int fsl_upm_run_pattern(struct fsl_upm *upm, void __iomem *io_base, u32 mar)
return ret;
}
EXPORT_SYMBOL(fsl_upm_run_pattern);
+
+static int __devinit fsl_lbc_ctrl_init(struct fsl_lbc_ctrl *ctrl)
+{
+ struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
+
+ /* clear event registers */
+ setbits32(&lbc->ltesr, LTESR_CLEAR);
+ out_be32(&lbc->lteatr, 0);
+ out_be32(&lbc->ltear, 0);
+ out_be32(&lbc->lteccr, LTECCR_CLEAR);
+ out_be32(&lbc->ltedr, LTEDR_ENABLE);
+
+ /* Enable interrupts for any detected events */
+ out_be32(&lbc->lteir, LTEIR_ENABLE);
+
+ return 0;
+}
+
+/*
+ * NOTE: This interrupt is used to report localbus events of various kinds,
+ * such as transaction errors on the chipselects.
+ */
+
+static irqreturn_t fsl_lbc_ctrl_irq(int irqno, void *data)
+{
+ struct fsl_lbc_ctrl *ctrl = data;
+ struct fsl_lbc_regs __iomem *lbc = ctrl->regs;
+ u32 status;
+
+ status = in_be32(&lbc->ltesr);
+ if (!status)
+ return IRQ_NONE;
+
+ out_be32(&lbc->ltesr, LTESR_CLEAR);
+ out_be32(&lbc->lteatr, 0);
+ out_be32(&lbc->ltear, 0);
+ ctrl->irq_status = status;
+
+ if (status & LTESR_BM)
+ dev_err(ctrl->dev, "Local bus monitor time-out: "
+ "LTESR 0x%08X\n", status);
+ if (status & LTESR_WP)
+ dev_err(ctrl->dev, "Write protect error: "
+ "LTESR 0x%08X\n", status);
+ if (status & LTESR_ATMW)
+ dev_err(ctrl->dev, "Atomic write error: "
+ "LTESR 0x%08X\n", status);
+ if (status & LTESR_ATMR)
+ dev_err(ctrl->dev, "Atomic read error: "
+ "LTESR 0x%08X\n", status);
+ if (status & LTESR_CS)
+ dev_err(ctrl->dev, "Chip select error: "
+ "LTESR 0x%08X\n", status);
+ if (status & LTESR_UPM)
+ ;
+ if (status & LTESR_FCT) {
+ dev_err(ctrl->dev, "FCM command time-out: "
+ "LTESR 0x%08X\n", status);
+ smp_wmb();
+ wake_up(&ctrl->irq_wait);
+ }
+ if (status & LTESR_PAR) {
+ dev_err(ctrl->dev, "Parity or Uncorrectable ECC error: "
+ "LTESR 0x%08X\n", status);
+ smp_wmb();
+ wake_up(&ctrl->irq_wait);
+ }
+ if (status & LTESR_CC) {
+ smp_wmb();
+ wake_up(&ctrl->irq_wait);
+ }
+ if (status & ~LTESR_MASK)
+ dev_err(ctrl->dev, "Unknown error: "
+ "LTESR 0x%08X\n", status);
+ return IRQ_HANDLED;
+}
+
+/*
+ * fsl_lbc_ctrl_probe
+ *
+ * called by device layer when it finds a device matching
+ * one our driver can handled. This code allocates all of
+ * the resources needed for the controller only. The
+ * resources for the NAND banks themselves are allocated
+ * in the chip probe function.
+*/
+
+static int __devinit fsl_lbc_ctrl_probe(struct platform_device *dev)
+{
+ int ret;
+
+ if (!dev->dev.of_node) {
+ dev_err(&dev->dev, "Device OF-Node is NULL");
+ return -EFAULT;
+ }
+
+ fsl_lbc_ctrl_dev = kzalloc(sizeof(*fsl_lbc_ctrl_dev), GFP_KERNEL);
+ if (!fsl_lbc_ctrl_dev)
+ return -ENOMEM;
+
+ dev_set_drvdata(&dev->dev, fsl_lbc_ctrl_dev);
+
+ spin_lock_init(&fsl_lbc_ctrl_dev->lock);
+ init_waitqueue_head(&fsl_lbc_ctrl_dev->irq_wait);
+
+ fsl_lbc_ctrl_dev->regs = of_iomap(dev->dev.of_node, 0);
+ if (!fsl_lbc_ctrl_dev->regs) {
+ dev_err(&dev->dev, "failed to get memory region\n");
+ ret = -ENODEV;
+ goto err;
+ }
+
+ fsl_lbc_ctrl_dev->irq = irq_of_parse_and_map(dev->dev.of_node, 0);
+ if (fsl_lbc_ctrl_dev->irq == NO_IRQ) {
+ dev_err(&dev->dev, "failed to get irq resource\n");
+ ret = -ENODEV;
+ goto err;
+ }
+
+ fsl_lbc_ctrl_dev->dev = &dev->dev;
+
+ ret = fsl_lbc_ctrl_init(fsl_lbc_ctrl_dev);
+ if (ret < 0)
+ goto err;
+
+ ret = request_irq(fsl_lbc_ctrl_dev->irq, fsl_lbc_ctrl_irq, 0,
+ "fsl-lbc", fsl_lbc_ctrl_dev);
+ if (ret != 0) {
+ dev_err(&dev->dev, "failed to install irq (%d)\n",
+ fsl_lbc_ctrl_dev->irq);
+ ret = fsl_lbc_ctrl_dev->irq;
+ goto err;
+ }
+
+ return 0;
+
+err:
+ iounmap(fsl_lbc_ctrl_dev->regs);
+ kfree(fsl_lbc_ctrl_dev);
+ return ret;
+}
+
+static const struct of_device_id fsl_lbc_match[] = {
+ { .compatible = "fsl,elbc", },
+ { .compatible = "fsl,pq3-localbus", },
+ { .compatible = "fsl,pq2-localbus", },
+ { .compatible = "fsl,pq2pro-localbus", },
+ {},
+};
+
+static struct platform_driver fsl_lbc_ctrl_driver = {
+ .driver = {
+ .name = "fsl-lbc",
+ .of_match_table = fsl_lbc_match,
+ },
+ .probe = fsl_lbc_ctrl_probe,
+};
+
+static int __init fsl_lbc_init(void)
+{
+ return platform_driver_register(&fsl_lbc_ctrl_driver);
+}
+module_init(fsl_lbc_init);
diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c
index 412763672d2..9725369d432 100644
--- a/arch/powerpc/sysdev/fsl_rio.c
+++ b/arch/powerpc/sysdev/fsl_rio.c
@@ -50,6 +50,7 @@
#define RIO_ATMU_REGS_OFFSET 0x10c00
#define RIO_P_MSG_REGS_OFFSET 0x11000
#define RIO_S_MSG_REGS_OFFSET 0x13000
+#define RIO_GCCSR 0x13c
#define RIO_ESCSR 0x158
#define RIO_CCSR 0x15c
#define RIO_LTLEDCSR 0x0608
@@ -87,6 +88,9 @@
#define RIO_IPWSR_PWD 0x00000008
#define RIO_IPWSR_PWB 0x00000004
+#define RIO_EPWISR_PINT 0x80000000
+#define RIO_EPWISR_PW 0x00000001
+
#define RIO_MSG_DESC_SIZE 32
#define RIO_MSG_BUFFER_SIZE 4096
#define RIO_MIN_TX_RING_SIZE 2
@@ -1082,18 +1086,12 @@ fsl_rio_port_write_handler(int irq, void *dev_instance)
struct rio_priv *priv = port->priv;
u32 epwisr, tmp;
- ipwmr = in_be32(&priv->msg_regs->pwmr);
- ipwsr = in_be32(&priv->msg_regs->pwsr);
-
epwisr = in_be32(priv->regs_win + RIO_EPWISR);
- if (epwisr & 0x80000000) {
- tmp = in_be32(priv->regs_win + RIO_LTLEDCSR);
- pr_info("RIO_LTLEDCSR = 0x%x\n", tmp);
- out_be32(priv->regs_win + RIO_LTLEDCSR, 0);
- }
+ if (!(epwisr & RIO_EPWISR_PW))
+ goto pw_done;
- if (!(epwisr & 0x00000001))
- return IRQ_HANDLED;
+ ipwmr = in_be32(&priv->msg_regs->pwmr);
+ ipwsr = in_be32(&priv->msg_regs->pwsr);
#ifdef DEBUG_PW
pr_debug("PW Int->IPWMR: 0x%08x IPWSR: 0x%08x (", ipwmr, ipwsr);
@@ -1109,20 +1107,6 @@ fsl_rio_port_write_handler(int irq, void *dev_instance)
pr_debug(" PWB");
pr_debug(" )\n");
#endif
- out_be32(&priv->msg_regs->pwsr,
- ipwsr & (RIO_IPWSR_TE | RIO_IPWSR_QFI | RIO_IPWSR_PWD));
-
- if ((ipwmr & RIO_IPWMR_EIE) && (ipwsr & RIO_IPWSR_TE)) {
- priv->port_write_msg.err_count++;
- pr_info("RIO: Port-Write Transaction Err (%d)\n",
- priv->port_write_msg.err_count);
- }
- if (ipwsr & RIO_IPWSR_PWD) {
- priv->port_write_msg.discard_count++;
- pr_info("RIO: Port Discarded Port-Write Msg(s) (%d)\n",
- priv->port_write_msg.discard_count);
- }
-
/* Schedule deferred processing if PW was received */
if (ipwsr & RIO_IPWSR_QFI) {
/* Save PW message (if there is room in FIFO),
@@ -1134,16 +1118,43 @@ fsl_rio_port_write_handler(int irq, void *dev_instance)
RIO_PW_MSG_SIZE);
} else {
priv->port_write_msg.discard_count++;
- pr_info("RIO: ISR Discarded Port-Write Msg(s) (%d)\n",
+ pr_debug("RIO: ISR Discarded Port-Write Msg(s) (%d)\n",
priv->port_write_msg.discard_count);
}
+ /* Clear interrupt and issue Clear Queue command. This allows
+ * another port-write to be received.
+ */
+ out_be32(&priv->msg_regs->pwsr, RIO_IPWSR_QFI);
+ out_be32(&priv->msg_regs->pwmr, ipwmr | RIO_IPWMR_CQ);
+
schedule_work(&priv->pw_work);
}
- /* Issue Clear Queue command. This allows another
- * port-write to be received.
- */
- out_be32(&priv->msg_regs->pwmr, ipwmr | RIO_IPWMR_CQ);
+ if ((ipwmr & RIO_IPWMR_EIE) && (ipwsr & RIO_IPWSR_TE)) {
+ priv->port_write_msg.err_count++;
+ pr_debug("RIO: Port-Write Transaction Err (%d)\n",
+ priv->port_write_msg.err_count);
+ /* Clear Transaction Error: port-write controller should be
+ * disabled when clearing this error
+ */
+ out_be32(&priv->msg_regs->pwmr, ipwmr & ~RIO_IPWMR_PWE);
+ out_be32(&priv->msg_regs->pwsr, RIO_IPWSR_TE);
+ out_be32(&priv->msg_regs->pwmr, ipwmr);
+ }
+
+ if (ipwsr & RIO_IPWSR_PWD) {
+ priv->port_write_msg.discard_count++;
+ pr_debug("RIO: Port Discarded Port-Write Msg(s) (%d)\n",
+ priv->port_write_msg.discard_count);
+ out_be32(&priv->msg_regs->pwsr, RIO_IPWSR_PWD);
+ }
+
+pw_done:
+ if (epwisr & RIO_EPWISR_PINT) {
+ tmp = in_be32(priv->regs_win + RIO_LTLEDCSR);
+ pr_debug("RIO_LTLEDCSR = 0x%x\n", tmp);
+ out_be32(priv->regs_win + RIO_LTLEDCSR, 0);
+ }
return IRQ_HANDLED;
}
@@ -1461,6 +1472,7 @@ int fsl_rio_setup(struct platform_device *dev)
port->host_deviceid = fsl_rio_get_hdid(port->id);
port->priv = priv;
+ port->phys_efptr = 0x100;
rio_register_mport(port);
priv->regs_win = ioremap(regs.start, regs.end - regs.start + 1);
@@ -1508,6 +1520,12 @@ int fsl_rio_setup(struct platform_device *dev)
dev_info(&dev->dev, "RapidIO Common Transport System size: %d\n",
port->sys_size ? 65536 : 256);
+ if (port->host_deviceid >= 0)
+ out_be32(priv->regs_win + RIO_GCCSR, RIO_PORT_GEN_HOST |
+ RIO_PORT_GEN_MASTER | RIO_PORT_GEN_DISCOVERED);
+ else
+ out_be32(priv->regs_win + RIO_GCCSR, 0x00000000);
+
priv->atmu_regs = (struct rio_atmu_regs *)(priv->regs_win
+ RIO_ATMU_REGS_OFFSET);
priv->maint_atmu_regs = priv->atmu_regs + 1;