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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 10:52:35 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-16 10:52:35 -0800
commit525995d77ca08dfc2ba6f8e606f93694271dbd66 (patch)
treebe9ddad66cd1301eea8dab7814cbda144a909e35 /arch/blackfin/include
parente4bdda1bc3123a9e65f4dd93a23041fde8ed3dc2 (diff)
parent64a2b168023bfd09037ba760838762e56c44178e (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: (88 commits) Blackfin: Convert BUG() to use unreachable() Blackfin: define __NR_recvmmsg Blackfin: drop duplicate sched_clock Blackfin: NOMPU: skip DMA ICPLB hole when it is redundant Blackfin: MPU: add missing __init markings Blackfin: add support for TIF_NOTIFY_RESUME Blackfin: kgdb_test: clean up code a bit Blackfin: convert kgdbtest to proc_fops Blackfin: convert cyc2ns() to clocksource_cyc2ns() Blackfin: ip0x: pull in asm/portmux.h for P_xxx defines Blackfin: drop unused ax88180 resources Blackfin: bf537-stamp: add ADF702x network driver resources Blackfin: bf537-stamp: add CAN resources Blackfin: bf537-stamp: add AD5258 i2c address Blackfin: bf537-stamp: add adau1761 i2c address Blackfin: bf537-stamp: add adau1371 i2c address Blackfin: bf537-stamp: add ADP8870 resources Blackfin: bf537-stamp: kill AD714x board-specific Kconfigs Blackfin: bf537-stamp: update ADP5520 resources Blackfin: bf537-stamp: add ADXL346 orientation sensing support ...
Diffstat (limited to 'arch/blackfin/include')
-rw-r--r--arch/blackfin/include/asm/bfin-global.h10
-rw-r--r--arch/blackfin/include/asm/bug.h2
-rw-r--r--arch/blackfin/include/asm/cacheflush.h1
-rw-r--r--arch/blackfin/include/asm/checksum.h70
-rw-r--r--arch/blackfin/include/asm/clocks.h2
-rw-r--r--arch/blackfin/include/asm/dma-mapping.h121
-rw-r--r--arch/blackfin/include/asm/dma.h93
-rw-r--r--arch/blackfin/include/asm/dpmc.h107
-rw-r--r--arch/blackfin/include/asm/gpio.h5
-rw-r--r--arch/blackfin/include/asm/gptimers.h32
-rw-r--r--arch/blackfin/include/asm/io.h95
-rw-r--r--arch/blackfin/include/asm/ipipe.h14
-rw-r--r--arch/blackfin/include/asm/ipipe_base.h26
-rw-r--r--arch/blackfin/include/asm/irqflags.h13
-rw-r--r--arch/blackfin/include/asm/kgdb.h3
-rw-r--r--arch/blackfin/include/asm/mem_init.h153
-rw-r--r--arch/blackfin/include/asm/mmu_context.h33
-rw-r--r--arch/blackfin/include/asm/pci.h130
-rw-r--r--arch/blackfin/include/asm/ptrace.h6
-rw-r--r--arch/blackfin/include/asm/sections.h16
-rw-r--r--arch/blackfin/include/asm/thread_info.h2
-rw-r--r--arch/blackfin/include/asm/trace.h2
-rw-r--r--arch/blackfin/include/asm/uaccess.h4
-rw-r--r--arch/blackfin/include/asm/unistd.h3
24 files changed, 416 insertions, 527 deletions
diff --git a/arch/blackfin/include/asm/bfin-global.h b/arch/blackfin/include/asm/bfin-global.h
index 10064f902d2..e6485c305ea 100644
--- a/arch/blackfin/include/asm/bfin-global.h
+++ b/arch/blackfin/include/asm/bfin-global.h
@@ -11,9 +11,6 @@
#ifndef __ASSEMBLY__
-#include <asm/sections.h>
-#include <asm/ptrace.h>
-#include <asm/user.h>
#include <linux/linkage.h>
#include <linux/types.h>
@@ -23,6 +20,12 @@
# define DMA_UNCACHED_REGION (2 * 1024 * 1024)
#elif defined(CONFIG_DMA_UNCACHED_1M)
# define DMA_UNCACHED_REGION (1024 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_512K)
+# define DMA_UNCACHED_REGION (512 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_256K)
+# define DMA_UNCACHED_REGION (256 * 1024)
+#elif defined(CONFIG_DMA_UNCACHED_128K)
+# define DMA_UNCACHED_REGION (128 * 1024)
#else
# define DMA_UNCACHED_REGION (0)
#endif
@@ -35,6 +38,7 @@ extern unsigned long get_sclk(void);
extern unsigned long sclk_to_usecs(unsigned long sclk);
extern unsigned long usecs_to_sclk(unsigned long usecs);
+struct pt_regs;
extern void dump_bfin_process(struct pt_regs *regs);
extern void dump_bfin_mem(struct pt_regs *regs);
extern void dump_bfin_trace_buffer(void);
diff --git a/arch/blackfin/include/asm/bug.h b/arch/blackfin/include/asm/bug.h
index 6f4548a1355..75f6dc336d4 100644
--- a/arch/blackfin/include/asm/bug.h
+++ b/arch/blackfin/include/asm/bug.h
@@ -47,7 +47,7 @@
#define BUG() \
do { \
_BUG_OR_WARN(0); \
- for (;;); \
+ unreachable(); \
} while (0)
#define WARN_ON(condition) \
diff --git a/arch/blackfin/include/asm/cacheflush.h b/arch/blackfin/include/asm/cacheflush.h
index 417eaac7fe9..2666ff8ea95 100644
--- a/arch/blackfin/include/asm/cacheflush.h
+++ b/arch/blackfin/include/asm/cacheflush.h
@@ -10,6 +10,7 @@
#define _BLACKFIN_CACHEFLUSH_H
#include <asm/blackfin.h> /* for SSYNC() */
+#include <asm/sections.h> /* for _ramend */
extern void blackfin_icache_flush_range(unsigned long start_address, unsigned long end_address);
extern void blackfin_dcache_flush_range(unsigned long start_address, unsigned long end_address);
diff --git a/arch/blackfin/include/asm/checksum.h b/arch/blackfin/include/asm/checksum.h
index a23415be0de..623cc7fb00b 100644
--- a/arch/blackfin/include/asm/checksum.h
+++ b/arch/blackfin/include/asm/checksum.h
@@ -9,63 +9,12 @@
#define _BFIN_CHECKSUM_H
/*
- * computes the checksum of a memory block at buff, length len,
- * and adds in "sum" (32-bit)
- *
- * returns a 32-bit number suitable for feeding into itself
- * or csum_tcpudp_magic
- *
- * this function must be called with even lengths, except
- * for the last fragment, which may be odd
- *
- * it's best to have buff aligned on a 32-bit boundary
- */
-__wsum csum_partial(const void *buff, int len, __wsum sum);
-
-/*
- * the same as csum_partial, but copies from src while it
- * checksums
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- */
-
-__wsum csum_partial_copy(const void *src, void *dst,
- int len, __wsum sum);
-
-/*
- * the same as csum_partial_copy, but copies from user space.
- *
- * here even more important to align src and dst on a 32-bit (or even
- * better 64-bit) boundary
- */
-
-extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst,
- int len, __wsum sum, int *csum_err);
-
-#define csum_partial_copy_nocheck(src, dst, len, sum) \
- csum_partial_copy((src), (dst), (len), (sum))
-
-__sum16 ip_fast_csum(unsigned char *iph, unsigned int ihl);
-
-/*
- * Fold a partial checksum
- */
-
-static inline __sum16 csum_fold(__wsum sum)
-{
- while (sum >> 16)
- sum = (sum & 0xffff) + (sum >> 16);
- return ((~(sum << 16)) >> 16);
-}
-
-/*
* computes the checksum of the TCP/UDP pseudo-header
* returns a 16-bit checksum, already complemented
*/
static inline __wsum
-csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
+__csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
unsigned short proto, __wsum sum)
{
unsigned int carry;
@@ -88,19 +37,8 @@ csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len,
return (sum);
}
+#define csum_tcpudp_nofold __csum_tcpudp_nofold
-static inline __sum16
-csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len,
- unsigned short proto, __wsum sum)
-{
- return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum));
-}
-
-/*
- * this routine is used for miscellaneous IP-like checksums, mainly
- * in icmp.c
- */
-
-extern __sum16 ip_compute_csum(const void *buff, int len);
+#include <asm-generic/checksum.h>
-#endif /* _BFIN_CHECKSUM_H */
+#endif
diff --git a/arch/blackfin/include/asm/clocks.h b/arch/blackfin/include/asm/clocks.h
index f80dad5ff25..6f0b61852f5 100644
--- a/arch/blackfin/include/asm/clocks.h
+++ b/arch/blackfin/include/asm/clocks.h
@@ -9,6 +9,8 @@
#ifndef _BFIN_CLOCKS_H
#define _BFIN_CLOCKS_H
+#include <asm/dpmc.h>
+
#ifdef CONFIG_CCLK_DIV_1
# define CONFIG_CCLK_ACT_DIV CCLK_DIV1
# define CONFIG_CCLK_DIV 1
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h
index 7a23d824ac9..f9172ff30e5 100644
--- a/arch/blackfin/include/asm/dma-mapping.h
+++ b/arch/blackfin/include/asm/dma-mapping.h
@@ -7,9 +7,9 @@
#ifndef _BLACKFIN_DMA_MAPPING_H
#define _BLACKFIN_DMA_MAPPING_H
-#include <asm/scatterlist.h>
+#include <asm/cacheflush.h>
+struct scatterlist;
-void dma_alloc_init(unsigned long start, unsigned long end);
void *dma_alloc_coherent(struct device *dev, size_t size,
dma_addr_t *dma_handle, gfp_t gfp);
void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
@@ -20,13 +20,51 @@ void dma_free_coherent(struct device *dev, size_t size, void *vaddr,
*/
#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_supported(d, m) (1)
+#define dma_get_cache_alignment() (32)
+#define dma_is_consistent(d, h) (1)
-static inline
-int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+static inline int
+dma_set_mask(struct device *dev, u64 dma_mask)
{
+ if (!dev->dma_mask || !dma_supported(dev, dma_mask))
+ return -EIO;
+
+ *dev->dma_mask = dma_mask;
+
return 0;
}
+static inline int
+dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+ return 0;
+}
+
+extern void
+__dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir);
+static inline void
+_dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir)
+{
+ if (!__builtin_constant_p(dir)) {
+ __dma_sync(addr, size, dir);
+ return;
+ }
+
+ switch (dir) {
+ case DMA_NONE:
+ BUG();
+ case DMA_TO_DEVICE: /* writeback only */
+ flush_dcache_range(addr, addr + size);
+ break;
+ case DMA_FROM_DEVICE: /* invalidate only */
+ case DMA_BIDIRECTIONAL: /* flush and invalidate */
+ /* Blackfin has no dedicated invalidate (it includes a flush) */
+ invalidate_dcache_range(addr, addr + size);
+ break;
+ }
+}
+
/*
* Map a single buffer of the indicated size for DMA in streaming mode.
* The 32-bit bus address to use is returned.
@@ -34,8 +72,13 @@ int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
* Once the device is given the dma address, the device owns this memory
* until either pci_unmap_single or pci_dma_sync_single is performed.
*/
-extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
- enum dma_data_direction direction);
+static inline dma_addr_t
+dma_map_single(struct device *dev, void *ptr, size_t size,
+ enum dma_data_direction dir)
+{
+ _dma_sync((dma_addr_t)ptr, size, dir);
+ return (dma_addr_t) ptr;
+}
static inline dma_addr_t
dma_map_page(struct device *dev, struct page *page,
@@ -53,8 +96,12 @@ dma_map_page(struct device *dev, struct page *page,
* After this call, reads by the cpu to the buffer are guarenteed to see
* whatever the device wrote there.
*/
-extern void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
- enum dma_data_direction direction);
+static inline void
+dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
+ enum dma_data_direction dir)
+{
+ BUG_ON(!valid_dma_direction(dir));
+}
static inline void
dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
@@ -80,38 +127,66 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
* the same here.
*/
extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
- enum dma_data_direction direction);
+ enum dma_data_direction dir);
/*
* Unmap a set of streaming mode DMA translations.
* Again, cpu read rules concerning calls here are the same as for
* pci_unmap_single() above.
*/
-extern void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
- int nhwentries, enum dma_data_direction direction);
+static inline void
+dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+ int nhwentries, enum dma_data_direction dir)
+{
+ BUG_ON(!valid_dma_direction(dir));
+}
-static inline void dma_sync_single_for_cpu(struct device *dev,
- dma_addr_t handle, size_t size,
- enum dma_data_direction dir)
+static inline void
+dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t handle,
+ unsigned long offset, size_t size,
+ enum dma_data_direction dir)
{
+ BUG_ON(!valid_dma_direction(dir));
}
-static inline void dma_sync_single_for_device(struct device *dev,
- dma_addr_t handle, size_t size,
- enum dma_data_direction dir)
+static inline void
+dma_sync_single_range_for_device(struct device *dev, dma_addr_t handle,
+ unsigned long offset, size_t size,
+ enum dma_data_direction dir)
{
+ _dma_sync(handle + offset, size, dir);
}
-static inline void dma_sync_sg_for_cpu(struct device *dev,
- struct scatterlist *sg,
- int nents, enum dma_data_direction dir)
+static inline void
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size,
+ enum dma_data_direction dir)
{
+ dma_sync_single_range_for_cpu(dev, handle, 0, size, dir);
}
-static inline void dma_sync_sg_for_device(struct device *dev,
- struct scatterlist *sg,
- int nents, enum dma_data_direction dir)
+static inline void
+dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size,
+ enum dma_data_direction dir)
+{
+ dma_sync_single_range_for_device(dev, handle, 0, size, dir);
+}
+
+static inline void
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents,
+ enum dma_data_direction dir)
+{
+ BUG_ON(!valid_dma_direction(dir));
+}
+
+extern void
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction dir);
+
+static inline void
+dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+ enum dma_data_direction dir)
{
+ _dma_sync((dma_addr_t)vaddr, size, dir);
}
#endif /* _BLACKFIN_DMA_MAPPING_H */
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index c9a59622e23..bd2e62243ab 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -10,46 +10,70 @@
#include <linux/interrupt.h>
#include <mach/dma.h>
+#include <asm/atomic.h>
#include <asm/blackfin.h>
#include <asm/page.h>
-
-#define MAX_DMA_ADDRESS PAGE_OFFSET
-
-/*****************************************************************************
-* Generic DMA Declarations
-*
-****************************************************************************/
-enum dma_chan_status {
- DMA_CHANNEL_FREE,
- DMA_CHANNEL_REQUESTED,
- DMA_CHANNEL_ENABLED,
-};
+#include <asm-generic/dma.h>
+
+/* DMA_CONFIG Masks */
+#define DMAEN 0x0001 /* DMA Channel Enable */
+#define WNR 0x0002 /* Channel Direction (W/R*) */
+#define WDSIZE_8 0x0000 /* Transfer Word Size = 8 */
+#define WDSIZE_16 0x0004 /* Transfer Word Size = 16 */
+#define WDSIZE_32 0x0008 /* Transfer Word Size = 32 */
+#define DMA2D 0x0010 /* DMA Mode (2D/1D*) */
+#define RESTART 0x0020 /* DMA Buffer Clear */
+#define DI_SEL 0x0040 /* Data Interrupt Timing Select */
+#define DI_EN 0x0080 /* Data Interrupt Enable */
+#define NDSIZE_0 0x0000 /* Next Descriptor Size = 0 (Stop/Autobuffer) */
+#define NDSIZE_1 0x0100 /* Next Descriptor Size = 1 */
+#define NDSIZE_2 0x0200 /* Next Descriptor Size = 2 */
+#define NDSIZE_3 0x0300 /* Next Descriptor Size = 3 */
+#define NDSIZE_4 0x0400 /* Next Descriptor Size = 4 */
+#define NDSIZE_5 0x0500 /* Next Descriptor Size = 5 */
+#define NDSIZE_6 0x0600 /* Next Descriptor Size = 6 */
+#define NDSIZE_7 0x0700 /* Next Descriptor Size = 7 */
+#define NDSIZE_8 0x0800 /* Next Descriptor Size = 8 */
+#define NDSIZE_9 0x0900 /* Next Descriptor Size = 9 */
+#define NDSIZE 0x0f00 /* Next Descriptor Size */
+#define DMAFLOW 0x7000 /* Flow Control */
+#define DMAFLOW_STOP 0x0000 /* Stop Mode */
+#define DMAFLOW_AUTO 0x1000 /* Autobuffer Mode */
+#define DMAFLOW_ARRAY 0x4000 /* Descriptor Array Mode */
+#define DMAFLOW_SMALL 0x6000 /* Small Model Descriptor List Mode */
+#define DMAFLOW_LARGE 0x7000 /* Large Model Descriptor List Mode */
+
+/* DMA_IRQ_STATUS Masks */
+#define DMA_DONE 0x0001 /* DMA Completion Interrupt Status */
+#define DMA_ERR 0x0002 /* DMA Error Interrupt Status */
+#define DFETCH 0x0004 /* DMA Descriptor Fetch Indicator */
+#define DMA_RUN 0x0008 /* DMA Channel Running Indicator */
/*-------------------------
* config reg bits value
*-------------------------*/
-#define DATA_SIZE_8 0
-#define DATA_SIZE_16 1
-#define DATA_SIZE_32 2
+#define DATA_SIZE_8 0
+#define DATA_SIZE_16 1
+#define DATA_SIZE_32 2
-#define DMA_FLOW_STOP 0
-#define DMA_FLOW_AUTO 1
-#define DMA_FLOW_ARRAY 4
-#define DMA_FLOW_SMALL 6
-#define DMA_FLOW_LARGE 7
+#define DMA_FLOW_STOP 0
+#define DMA_FLOW_AUTO 1
+#define DMA_FLOW_ARRAY 4
+#define DMA_FLOW_SMALL 6
+#define DMA_FLOW_LARGE 7
-#define DIMENSION_LINEAR 0
-#define DIMENSION_2D 1
+#define DIMENSION_LINEAR 0
+#define DIMENSION_2D 1
-#define DIR_READ 0
-#define DIR_WRITE 1
+#define DIR_READ 0
+#define DIR_WRITE 1
-#define INTR_DISABLE 0
-#define INTR_ON_BUF 2
-#define INTR_ON_ROW 3
+#define INTR_DISABLE 0
+#define INTR_ON_BUF 2
+#define INTR_ON_ROW 3
#define DMA_NOSYNC_KEEP_DMA_BUF 0
-#define DMA_SYNC_RESTART 1
+#define DMA_SYNC_RESTART 1
struct dmasg {
void *next_desc_addr;
@@ -104,11 +128,9 @@ struct dma_register {
};
-struct mutex;
struct dma_channel {
- struct mutex dmalock;
const char *device_id;
- enum dma_chan_status chan_status;
+ atomic_t chan_status;
volatile struct dma_register *regs;
struct dmasg *sg; /* large mode descriptor */
unsigned int irq;
@@ -220,27 +242,20 @@ static inline void set_dma_sg(unsigned int channel, struct dmasg *sg, int ndsize
static inline int dma_channel_active(unsigned int channel)
{
- if (dma_ch[channel].chan_status == DMA_CHANNEL_FREE)
- return 0;
- else
- return 1;
+ return atomic_read(&dma_ch[channel].chan_status);
}
static inline void disable_dma(unsigned int channel)
{
dma_ch[channel].regs->cfg &= ~DMAEN;
SSYNC();
- dma_ch[channel].chan_status = DMA_CHANNEL_REQUESTED;
}
static inline void enable_dma(unsigned int channel)
{
dma_ch[channel].regs->curr_x_count = 0;
dma_ch[channel].regs->curr_y_count = 0;
dma_ch[channel].regs->cfg |= DMAEN;
- dma_ch[channel].chan_status = DMA_CHANNEL_ENABLED;
}
-void free_dma(unsigned int channel);
-int request_dma(unsigned int channel, const char *device_id);
int set_dma_callback(unsigned int channel, irq_handler_t callback, void *data);
static inline void dma_disable_irq(unsigned int channel)
diff --git a/arch/blackfin/include/asm/dpmc.h b/arch/blackfin/include/asm/dpmc.h
index 925e66cb2d4..1597ae5041e 100644
--- a/arch/blackfin/include/asm/dpmc.h
+++ b/arch/blackfin/include/asm/dpmc.h
@@ -1,7 +1,7 @@
/*
* Miscellaneous IOCTL commands for Dynamic Power Management Controller Driver
*
- * Copyright (C) 2004-2008 Analog Device Inc.
+ * Copyright (C) 2004-2009 Analog Device Inc.
*
* Licensed under the GPL-2
*/
@@ -9,7 +9,109 @@
#ifndef _BLACKFIN_DPMC_H_
#define _BLACKFIN_DPMC_H_
-#ifdef __KERNEL__
+/* PLL_CTL Masks */
+#define DF 0x0001 /* 0: PLL = CLKIN, 1: PLL = CLKIN/2 */
+#define PLL_OFF 0x0002 /* PLL Not Powered */
+#define STOPCK 0x0008 /* Core Clock Off */
+#define PDWN 0x0020 /* Enter Deep Sleep Mode */
+#ifdef __ADSPBF539__
+# define IN_DELAY 0x0014 /* Add 200ps Delay To EBIU Input Latches */
+# define OUT_DELAY 0x00C0 /* Add 200ps Delay To EBIU Output Signals */
+#else
+# define IN_DELAY 0x0040 /* Add 200ps Delay To EBIU Input Latches */
+# define OUT_DELAY 0x0080 /* Add 200ps Delay To EBIU Output Signals */
+#endif
+#define BYPASS 0x0100 /* Bypass the PLL */
+#define MSEL 0x7E00 /* Multiplier Select For CCLK/VCO Factors */
+#define SPORT_HYST 0x8000 /* Enable Additional Hysteresis on SPORT Input Pins */
+#define SET_MSEL(x) (((x)&0x3F) << 0x9) /* Set MSEL = 0-63 --> VCO = CLKIN*MSEL */
+
+/* PLL_DIV Masks */
+#define SSEL 0x000F /* System Select */
+#define CSEL 0x0030 /* Core Select */
+#define CSEL_DIV1 0x0000 /* CCLK = VCO / 1 */
+#define CSEL_DIV2 0x0010 /* CCLK = VCO / 2 */
+#define CSEL_DIV4 0x0020 /* CCLK = VCO / 4 */
+#define CSEL_DIV8 0x0030 /* CCLK = VCO / 8 */
+
+#define CCLK_DIV1 CSEL_DIV1
+#define CCLK_DIV2 CSEL_DIV2
+#define CCLK_DIV4 CSEL_DIV4
+#define CCLK_DIV8 CSEL_DIV8
+
+#define SET_SSEL(x) ((x) & 0xF) /* Set SSEL = 0-15 --> SCLK = VCO/SSEL */
+#define SCLK_DIV(x) (x) /* SCLK = VCO / x */
+
+/* PLL_STAT Masks */
+#define ACTIVE_PLLENABLED 0x0001 /* Processor In Active Mode With PLL Enabled */
+#define FULL_ON 0x0002 /* Processor In Full On Mode */
+#define ACTIVE_PLLDISABLED 0x0004 /* Processor In Active Mode With PLL Disabled */
+#define PLL_LOCKED 0x0020 /* PLL_LOCKCNT Has Been Reached */
+
+#define RTCWS 0x0400 /* RTC/Reset Wake-Up Status */
+#define CANWS 0x0800 /* CAN Wake-Up Status */
+#define USBWS 0x2000 /* USB Wake-Up Status */
+#define KPADWS 0x4000 /* Keypad Wake-Up Status */
+#define ROTWS 0x8000 /* Rotary Wake-Up Status */
+#define GPWS 0x1000 /* General-Purpose Wake-Up Status */
+
+/* VR_CTL Masks */
+#if defined(__ADSPBF52x__) || defined(__ADSPBF51x__)
+#define FREQ 0x3000 /* Switching Oscillator Frequency For Regulator */
+#define FREQ_1000 0x3000 /* Switching Frequency Is 1 MHz */
+#else
+#define FREQ 0x0003 /* Switching Oscillator Frequency For Regulator */
+#define FREQ_333 0x0001 /* Switching Frequency Is 333 kHz */
+#define FREQ_667 0x0002 /* Switching Frequency Is 667 kHz */
+#define FREQ_1000 0x0003 /* Switching Frequency Is 1 MHz */
+#endif
+#define HIBERNATE 0x0000 /* Powerdown/Bypass On-Board Regulation */
+
+#define GAIN 0x000C /* Voltage Level Gain */
+#define GAIN_5 0x0000 /* GAIN = 5 */
+#define GAIN_10 0x0004 /* GAIN = 1 */
+#define GAIN_20 0x0008 /* GAIN = 2 */
+#define GAIN_50 0x000C /* GAIN = 5 */
+
+#define VLEV 0x00F0 /* Internal Voltage Level */
+#ifdef __ADSPBF52x__
+#define VLEV_085 0x0040 /* VLEV = 0.85 V (-5% - +10% Accuracy) */
+#define VLEV_090 0x0050 /* VLEV = 0.90 V (-5% - +10% Accuracy) */
+#define VLEV_095 0x0060 /* VLEV = 0.95 V (-5% - +10% Accuracy) */
+#define VLEV_100 0x0070 /* VLEV = 1.00 V (-5% - +10% Accuracy) */
+#define VLEV_105 0x0080 /* VLEV = 1.05 V (-5% - +10% Accuracy) */
+#define VLEV_110 0x0090 /* VLEV = 1.10 V (-5% - +10% Accuracy) */
+#define VLEV_115 0x00A0 /* VLEV = 1.15 V (-5% - +10% Accuracy) */
+#define VLEV_120 0x00B0 /* VLEV = 1.20 V (-5% - +10% Accuracy) */
+#else
+#define VLEV_085 0x0060 /* VLEV = 0.85 V (-5% - +10% Accuracy) */
+#define VLEV_090 0x0070 /* VLEV = 0.90 V (-5% - +10% Accuracy) */
+#define VLEV_095 0x0080 /* VLEV = 0.95 V (-5% - +10% Accuracy) */
+#define VLEV_100 0x0090 /* VLEV = 1.00 V (-5% - +10% Accuracy) */
+#define VLEV_105 0x00A0 /* VLEV = 1.05 V (-5% - +10% Accuracy) */
+#define VLEV_110 0x00B0 /* VLEV = 1.10 V (-5% - +10% Accuracy) */
+#define VLEV_115 0x00C0 /* VLEV = 1.15 V (-5% - +10% Accuracy) */
+#define VLEV_120 0x00D0 /* VLEV = 1.20 V (-5% - +10% Accuracy) */
+#define VLEV_125 0x00E0 /* VLEV = 1.25 V (-5% - +10% Accuracy) */
+#define VLEV_130 0x00F0 /* VLEV = 1.30 V (-5% - +10% Accuracy) */
+#endif
+
+#define WAKE 0x0100 /* Enable RTC/Reset Wakeup From Hibernate */
+#define CANWE 0x0200 /* Enable CAN Wakeup From Hibernate */
+#define PHYWE 0x0400 /* Enable PHY Wakeup From Hibernate */
+#define GPWE 0x0400 /* General-Purpose Wake-Up Enable */
+#define MXVRWE 0x0400 /* Enable MXVR Wakeup From Hibernate */
+#define KPADWE 0x1000 /* Keypad Wake-Up Enable */
+#define ROTWE 0x2000 /* Rotary Wake-Up Enable */
+#define CLKBUFOE 0x4000 /* CLKIN Buffer Output Enable */
+#define SCKELOW 0x8000 /* Do Not Drive SCKE High During Reset After Hibernate */
+
+#if defined(__ADSPBF52x__) || defined(__ADSPBF51x__)
+#define USBWE 0x0200 /* Enable USB Wakeup From Hibernate */
+#else
+#define USBWE 0x0800 /* Enable USB Wakeup From Hibernate */
+#endif
+
#ifndef __ASSEMBLY__
void sleep_mode(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
@@ -54,6 +156,5 @@ struct bfin_dpmc_platform_data {
w[P0 + (x - PLL_CTL)] = R0;\
#endif
-#endif /* __KERNEL__ */
#endif /*_BLACKFIN_DPMC_H_*/
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 5b44d05ca53..539468a0505 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -159,6 +159,11 @@ struct gpio_port_t {
};
#endif
+#ifdef BFIN_SPECIAL_GPIO_BANKS
+void bfin_special_gpio_free(unsigned gpio);
+int bfin_special_gpio_request(unsigned gpio, const char *label);
+#endif
+
#ifdef CONFIG_PM
unsigned int bfin_pm_standby_setup(void);
diff --git a/arch/blackfin/include/asm/gptimers.h b/arch/blackfin/include/asm/gptimers.h
index 89f08decb8e..c722acdda0d 100644
--- a/arch/blackfin/include/asm/gptimers.h
+++ b/arch/blackfin/include/asm/gptimers.h
@@ -172,25 +172,25 @@
/* The actual gptimer API */
-void set_gptimer_pwidth(int timer_id, uint32_t width);
-uint32_t get_gptimer_pwidth(int timer_id);
-void set_gptimer_period(int timer_id, uint32_t period);
-uint32_t get_gptimer_period(int timer_id);
-uint32_t get_gptimer_count(int timer_id);
-int get_gptimer_intr(int timer_id);
-void clear_gptimer_intr(int timer_id);
-int get_gptimer_over(int timer_id);
-void clear_gptimer_over(int timer_id);
-void set_gptimer_config(int timer_id, uint16_t config);
-uint16_t get_gptimer_config(int timer_id);
-int get_gptimer_run(int timer_id);
-void set_gptimer_pulse_hi(int timer_id);
-void clear_gptimer_pulse_hi(int timer_id);
+void set_gptimer_pwidth(unsigned int timer_id, uint32_t width);
+uint32_t get_gptimer_pwidth(unsigned int timer_id);
+void set_gptimer_period(unsigned int timer_id, uint32_t period);
+uint32_t get_gptimer_period(unsigned int timer_id);
+uint32_t get_gptimer_count(unsigned int timer_id);
+int get_gptimer_intr(unsigned int timer_id);
+void clear_gptimer_intr(unsigned int timer_id);
+int get_gptimer_over(unsigned int timer_id);
+void clear_gptimer_over(unsigned int timer_id);
+void set_gptimer_config(unsigned int timer_id, uint16_t config);
+uint16_t get_gptimer_config(unsigned int timer_id);
+int get_gptimer_run(unsigned int timer_id);
+void set_gptimer_pulse_hi(unsigned int timer_id);
+void clear_gptimer_pulse_hi(unsigned int timer_id);
void enable_gptimers(uint16_t mask);
void disable_gptimers(uint16_t mask);
void disable_gptimers_sync(uint16_t mask);
uint16_t get_enabled_gptimers(void);
-uint32_t get_gptimer_status(int group);
-void set_gptimer_status(int group, uint32_t value);
+uint32_t get_gptimer_status(unsigned int group);
+void set_gptimer_status(unsigned int group, uint32_t value);
#endif
diff --git a/arch/blackfin/include/asm/io.h b/arch/blackfin/include/asm/io.h
index d1f5029189a..29e55b9d88b 100644
--- a/arch/blackfin/include/asm/io.h
+++ b/arch/blackfin/include/asm/io.h
@@ -31,12 +31,14 @@ static inline unsigned char readb(const volatile void __iomem *addr)
unsigned int val;
int tmp;
- __asm__ __volatile__ ("cli %1;\n\t"
- "NOP; NOP; SSYNC;\n\t"
- "%0 = b [%2] (z);\n\t"
- "sti %1;\n\t"
- : "=d"(val), "=d"(tmp): "a"(addr)
- );
+ __asm__ __volatile__ (
+ "cli %1;"
+ "NOP; NOP; SSYNC;"
+ "%0 = b [%2] (z);"
+ "sti %1;"
+ : "=d"(val), "=d"(tmp)
+ : "a"(addr)
+ );
return (unsigned char) val;
}
@@ -46,12 +48,14 @@ static inline unsigned short readw(const volatile void __iomem *addr)
unsigned int val;
int tmp;
- __asm__ __volatile__ ("cli %1;\n\t"
- "NOP; NOP; SSYNC;\n\t"
- "%0 = w [%2] (z);\n\t"
- "sti %1;\n\t"
- : "=d"(val), "=d"(tmp): "a"(addr)
- );
+ __asm__ __volatile__ (
+ "cli %1;"
+ "NOP; NOP; SSYNC;"
+ "%0 = w [%2] (z);"
+ "sti %1;"
+ : "=d"(val), "=d"(tmp)
+ : "a"(addr)
+ );
return (unsigned short) val;
}
@@ -61,20 +65,23 @@ static inline unsigned int readl(const volatile void __iomem *addr)
unsigned int val;
int tmp;
- __asm__ __volatile__ ("cli %1;\n\t"
- "NOP; NOP; SSYNC;\n\t"
- "%0 = [%2];\n\t"
- "sti %1;\n\t"
- : "=d"(val), "=d"(tmp): "a"(addr)
- );
+ __asm__ __volatile__ (
+ "cli %1;"
+ "NOP; NOP; SSYNC;"
+ "%0 = [%2];"
+ "sti %1;"
+ : "=d"(val), "=d"(tmp)
+ : "a"(addr)
+ );
+
return val;
}
#endif /* __ASSEMBLY__ */
-#define writeb(b,addr) (void)((*(volatile unsigned char *) (addr)) = (b))
-#define writew(b,addr) (void)((*(volatile unsigned short *) (addr)) = (b))
-#define writel(b,addr) (void)((*(volatile unsigned int *) (addr)) = (b))
+#define writeb(b, addr) (void)((*(volatile unsigned char *) (addr)) = (b))
+#define writew(b, addr) (void)((*(volatile unsigned short *) (addr)) = (b))
+#define writel(b, addr) (void)((*(volatile unsigned int *) (addr)) = (b))
#define __raw_readb readb
#define __raw_readw readw
@@ -82,9 +89,9 @@ static inline unsigned int readl(const volatile void __iomem *addr)
#define __raw_writeb writeb
#define __raw_writew writew
#define __raw_writel writel
-#define memset_io(a,b,c) memset((void *)(a),(b),(c))
-#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
-#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))
+#define memset_io(a, b, c) memset((void *)(a), (b), (c))
+#define memcpy_fromio(a, b, c) memcpy((a), (void *)(b), (c))
+#define memcpy_toio(a, b, c) memcpy((void *)(a), (b), (c))
/* Convert "I/O port addresses" to actual addresses. i.e. ugly casts. */
#define __io(port) ((void *)(unsigned long)(port))
@@ -92,30 +99,30 @@ static inline unsigned int readl(const volatile void __iomem *addr)
#define inb(port) readb(__io(port))
#define inw(port) readw(__io(port))
#define inl(port) readl(__io(port))
-#define outb(x,port) writeb(x,__io(port))
-#define outw(x,port) writew(x,__io(port))
-#define outl(x,port) writel(x,__io(port))
+#define outb(x, port) writeb(x, __io(port))
+#define outw(x, port) writew(x, __io(port))
+#define outl(x, port) writel(x, __io(port))
#define inb_p(port) inb(__io(port))
#define inw_p(port) inw(__io(port))
#define inl_p(port) inl(__io(port))
-#define outb_p(x,port) outb(x,__io(port))
-#define outw_p(x,port) outw(x,__io(port))
-#define outl_p(x,port) outl(x,__io(port))
-
-#define ioread8_rep(a,d,c) readsb(a,d,c)
-#define ioread16_rep(a,d,c) readsw(a,d,c)
-#define ioread32_rep(a,d,c) readsl(a,d,c)
-#define iowrite8_rep(a,s,c) writesb(a,s,c)
-#define iowrite16_rep(a,s,c) writesw(a,s,c)
-#define iowrite32_rep(a,s,c) writesl(a,s,c)
-
-#define ioread8(X) readb(X)
-#define ioread16(X) readw(X)
-#define ioread32(X) readl(X)
-#define iowrite8(val,X) writeb(val,X)
-#define iowrite16(val,X) writew(val,X)
-#define iowrite32(val,X) writel(val,X)
+#define outb_p(x, port) outb(x, __io(port))
+#define outw_p(x, port) outw(x, __io(port))
+#define outl_p(x, port) outl(x, __io(port))
+
+#define ioread8_rep(a, d, c) readsb(a, d, c)
+#define ioread16_rep(a, d, c) readsw(a, d, c)
+#define ioread32_rep(a, d, c) readsl(a, d, c)
+#define iowrite8_rep(a, s, c) writesb(a, s, c)
+#define iowrite16_rep(a, s, c) writesw(a, s, c)
+#define iowrite32_rep(a, s, c) writesl(a, s, c)
+
+#define ioread8(x) readb(x)
+#define ioread16(x) readw(x)
+#define ioread32(x) readl(x)
+#define iowrite8(val, x) writeb(val, x)
+#define iowrite16(val, x) writew(val, x)
+#define iowrite32(val, x) writel(val, x)
#define mmiowb() wmb()
diff --git a/arch/blackfin/include/asm/ipipe.h b/arch/blackfin/include/asm/ipipe.h
index 4617ba66278..d3b40449ca0 100644
--- a/arch/blackfin/include/asm/ipipe.h
+++ b/arch/blackfin/include/asm/ipipe.h
@@ -35,9 +35,9 @@
#include <asm/atomic.h>
#include <asm/traps.h>
-#define IPIPE_ARCH_STRING "1.11-00"
+#define IPIPE_ARCH_STRING "1.12-00"
#define IPIPE_MAJOR_NUMBER 1
-#define IPIPE_MINOR_NUMBER 11
+#define IPIPE_MINOR_NUMBER 12
#define IPIPE_PATCH_NUMBER 0
#ifdef CONFIG_SMP
@@ -124,16 +124,6 @@ static inline int __ipipe_check_tickdev(const char *devname)
return 1;
}
-static inline void __ipipe_lock_root(void)
-{
- set_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
-}
-
-static inline void __ipipe_unlock_root(void)
-{
- clear_bit(IPIPE_SYNCDEFER_FLAG, &ipipe_root_cpudom_var(status));
-}
-
void __ipipe_enable_pipeline(void);
#define __ipipe_hook_critical_ipi(ipd) do { } while (0)
diff --git a/arch/blackfin/include/asm/ipipe_base.h b/arch/blackfin/include/asm/ipipe_base.h
index 490098f532a..00409201d9e 100644
--- a/arch/blackfin/include/asm/ipipe_base.h
+++ b/arch/blackfin/include/asm/ipipe_base.h
@@ -51,23 +51,15 @@
extern unsigned long __ipipe_root_status; /* Alias to ipipe_root_cpudom_var(status) */
-#define __ipipe_stall_root() \
- do { \
- volatile unsigned long *p = &__ipipe_root_status; \
- set_bit(0, p); \
- } while (0)
-
-#define __ipipe_test_and_stall_root() \
- ({ \
- volatile unsigned long *p = &__ipipe_root_status; \
- test_and_set_bit(0, p); \
- })
-
-#define __ipipe_test_root() \
- ({ \
- const unsigned long *p = &__ipipe_root_status; \
- test_bit(0, p); \
- })
+void __ipipe_stall_root(void);
+
+unsigned long __ipipe_test_and_stall_root(void);
+
+unsigned long __ipipe_test_root(void);
+
+void __ipipe_lock_root(void);
+
+void __ipipe_unlock_root(void);
#endif /* !__ASSEMBLY__ */
diff --git a/arch/blackfin/include/asm/irqflags.h b/arch/blackfin/include/asm/irqflags.h
index 9b19a19d9ae..813a1af3e86 100644
--- a/arch/blackfin/include/asm/irqflags.h
+++ b/arch/blackfin/include/asm/irqflags.h
@@ -33,6 +33,7 @@ static inline unsigned long bfin_cli(void)
#ifdef CONFIG_IPIPE
+#include <linux/compiler.h>
#include <linux/ipipe_base.h>
#include <linux/ipipe_trace.h>
@@ -49,12 +50,12 @@ static inline unsigned long bfin_cli(void)
barrier(); \
} while (0)
-static inline void raw_local_irq_enable(void)
-{
- barrier();
- ipipe_check_context(ipipe_root_domain);
- __ipipe_unstall_root();
-}
+#define raw_local_irq_enable() \
+ do { \
+ barrier(); \
+ ipipe_check_context(ipipe_root_domain); \
+ __ipipe_unstall_root(); \
+ } while (0)
#define raw_local_save_flags_ptr(x) \
do { \
diff --git a/arch/blackfin/include/asm/kgdb.h b/arch/blackfin/include/asm/kgdb.h
index c8b256d2ea3..8651afe1299 100644
--- a/arch/blackfin/include/asm/kgdb.h
+++ b/arch/blackfin/include/asm/kgdb.h
@@ -10,9 +10,6 @@
#include <linux/ptrace.h>
-/* gdb locks */
-#define KGDB_MAX_NO_CPUS 8
-
/*
* BUFMAX defines the maximum number of characters in inbound/outbound buffers.
* At least NUMREGBYTES*2 are needed for register packets.
diff --git a/arch/blackfin/include/asm/mem_init.h b/arch/blackfin/include/asm/mem_init.h
index 4179e329b9c..7c8fe834ff2 100644
--- a/arch/blackfin/include/asm/mem_init.h
+++ b/arch/blackfin/include/asm/mem_init.h
@@ -295,156 +295,3 @@
#else
#define PLL_BYPASS 0
#endif
-
-/***************************************Currently Not Being Used *********************************/
-
-#if defined(CONFIG_FLASH_SPEED_BWAT) && \
-defined(CONFIG_FLASH_SPEED_BRAT) && \
-defined(CONFIG_FLASH_SPEED_BHT) && \
-defined(CONFIG_FLASH_SPEED_BST) && \
-defined(CONFIG_FLASH_SPEED_BTT)
-
-#define flash_EBIU_AMBCTL_WAT ((CONFIG_FLASH_SPEED_BWAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
-#define flash_EBIU_AMBCTL_RAT ((CONFIG_FLASH_SPEED_BRAT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
-#define flash_EBIU_AMBCTL_HT ((CONFIG_FLASH_SPEED_BHT * 4) / (4000000000 / CONFIG_SCLK_HZ))
-#define flash_EBIU_AMBCTL_ST ((CONFIG_FLASH_SPEED_BST * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
-#define flash_EBIU_AMBCTL_TT ((CONFIG_FLASH_SPEED_BTT * 4) / (4000000000 / CONFIG_SCLK_HZ)) + 1
-
-#if (flash_EBIU_AMBCTL_TT > 3)
-#define flash_EBIU_AMBCTL0_TT B0TT_4
-#endif
-#if (flash_EBIU_AMBCTL_TT == 3)
-#define flash_EBIU_AMBCTL0_TT B0TT_3
-#endif
-#if (flash_EBIU_AMBCTL_TT == 2)
-#define flash_EBIU_AMBCTL0_TT B0TT_2
-#endif
-#if (flash_EBIU_AMBCTL_TT < 2)
-#define flash_EBIU_AMBCTL0_TT B0TT_1
-#endif
-
-#if (flash_EBIU_AMBCTL_ST > 3)
-#define flash_EBIU_AMBCTL0_ST B0ST_4
-#endif
-#if (flash_EBIU_AMBCTL_ST == 3)
-#define flash_EBIU_AMBCTL0_ST B0ST_3
-#endif
-#if (flash_EBIU_AMBCTL_ST == 2)
-#define flash_EBIU_AMBCTL0_ST B0ST_2
-#endif
-#if (flash_EBIU_AMBCTL_ST < 2)
-#define flash_EBIU_AMBCTL0_ST B0ST_1
-#endif
-
-#if (flash_EBIU_AMBCTL_HT > 2)
-#define flash_EBIU_AMBCTL0_HT B0HT_3
-#endif
-#if (flash_EBIU_AMBCTL_HT == 2)
-#define flash_EBIU_AMBCTL0_HT B0HT_2
-#endif
-#if (flash_EBIU_AMBCTL_HT == 1)
-#define flash_EBIU_AMBCTL0_HT B0HT_1
-#endif
-#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT == 0)
-#define flash_EBIU_AMBCTL0_HT B0HT_0
-#endif
-#if (flash_EBIU_AMBCTL_HT == 0 && CONFIG_FLASH_SPEED_BHT != 0)
-#define flash_EBIU_AMBCTL0_HT B0HT_1
-#endif
-
-#if (flash_EBIU_AMBCTL_WAT > 14)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_15
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 14)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_14
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 13)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_13
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 12)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_12
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 11)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_11
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 10)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_10
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 9)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_9
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 8)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_8
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 7)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_7
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 6)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_6
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 5)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_5
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 4)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_4
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 3)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_3
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 2)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_2
-#endif
-#if (flash_EBIU_AMBCTL_WAT == 1)
-#define flash_EBIU_AMBCTL0_WAT B0WAT_1
-#endif
-
-#if (flash_EBIU_AMBCTL_RAT > 14)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_15
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 14)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_14
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 13)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_13
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 12)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_12
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 11)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_11
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 10)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_10
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 9)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_9
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 8)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_8
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 7)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_7
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 6)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_6
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 5)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_5
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 4)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_4
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 3)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_3
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 2)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_2
-#endif
-#if (flash_EBIU_AMBCTL_RAT == 1)
-#define flash_EBIU_AMBCTL0_RAT B0RAT_1
-#endif
-
-#define flash_EBIU_AMBCTL0 \
- (flash_EBIU_AMBCTL0_WAT | flash_EBIU_AMBCTL0_RAT | flash_EBIU_AMBCTL0_HT | \
- flash_EBIU_AMBCTL0_ST | flash_EBIU_AMBCTL0_TT | CONFIG_FLASH_SPEED_RDYEN)
-#endif
diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h
index 4a3be376ad5..ae8ef4ffd80 100644
--- a/arch/blackfin/include/asm/mmu_context.h
+++ b/arch/blackfin/include/asm/mmu_context.h
@@ -66,8 +66,8 @@ activate_l1stack(struct mm_struct *mm, unsigned long sp_base)
#define activate_mm(prev, next) switch_mm(prev, next, NULL)
-static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm,
- struct task_struct *tsk)
+static inline void __switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_mm,
+ struct task_struct *tsk)
{
#ifdef CONFIG_MPU
unsigned int cpu = smp_processor_id();
@@ -95,7 +95,24 @@ static inline void switch_mm(struct mm_struct *prev_mm, struct mm_struct *next_m
#endif
}
+#ifdef CONFIG_IPIPE
+#define lock_mm_switch(flags) local_irq_save_hw_cond(flags)
+#define unlock_mm_switch(flags) local_irq_restore_hw_cond(flags)
+#else
+#define lock_mm_switch(flags) do { (void)(flags); } while (0)
+#define unlock_mm_switch(flags) do { (void)(flags); } while (0)
+#endif /* CONFIG_IPIPE */
+
#ifdef CONFIG_MPU
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk)
+{
+ unsigned long flags;
+ lock_mm_switch(flags);
+ __switch_mm(prev, next, tsk);
+ unlock_mm_switch(flags);
+}
+
static inline void protect_page(struct mm_struct *mm, unsigned long addr,
unsigned long flags)
{
@@ -128,6 +145,12 @@ static inline void update_protections(struct mm_struct *mm)
set_mask_dcplbs(mm->context.page_rwx_mask, cpu);
}
}
+#else /* !CONFIG_MPU */
+static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
+ struct task_struct *tsk)
+{
+ __switch_mm(prev, next, tsk);
+}
#endif
static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
@@ -173,4 +196,10 @@ static inline void destroy_context(struct mm_struct *mm)
#endif
}
+#define ipipe_mm_switch_protect(flags) \
+ local_irq_save_hw_cond(flags)
+
+#define ipipe_mm_switch_unprotect(flags) \
+ local_irq_restore_hw_cond(flags)
+
#endif
diff --git a/arch/blackfin/include/asm/pci.h b/arch/blackfin/include/asm/pci.h
index 61277358c86..99cae2e3bac 100644
--- a/arch/blackfin/include/asm/pci.h
+++ b/arch/blackfin/include/asm/pci.h
@@ -4,145 +4,19 @@
#define _ASM_BFIN_PCI_H
#include <asm/scatterlist.h>
+#include <asm-generic/pci-dma-compat.h>
+#include <asm-generic/pci.h>
-/*
- *
- * Written by Wout Klaren.
- */
-
-/* Added by Chang Junxiao */
#define PCIBIOS_MIN_IO 0x00001000
#define PCIBIOS_MIN_MEM 0x10000000
-#define PCI_DMA_BUS_IS_PHYS (1)
-struct pci_ops;
-
-/*
- * Structure with hardware dependent information and functions of the
- * PCI bus.
- */
-struct pci_bus_info {
-
- /*
- * Resources of the PCI bus.
- */
- struct resource mem_space;
- struct resource io_space;
-
- /*
- * System dependent functions.
- */
- struct pci_ops *bfin_pci_ops;
- void (*fixup) (int pci_modify);
- void (*conf_device) (unsigned char bus, unsigned char device_fn);
-};
-
-#define pcibios_assign_all_busses() 0
static inline void pcibios_set_master(struct pci_dev *dev)
{
-
/* No special bus mastering setup handling */
}
static inline void pcibios_penalize_isa_irq(int irq)
{
-
/* We don't do dynamic PCI IRQ allocation */
}
-static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
- size_t size, int direction)
-{
- if (direction == PCI_DMA_NONE)
- BUG();
-
- /* return virt_to_bus(ptr); */
- return (dma_addr_t) ptr;
-}
-
-/* Unmap a single streaming mode DMA translation. The dma_addr and size
- * must match what was provided for in a previous pci_map_single call. All
- * other usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
-static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
- size_t size, int direction)
-{
- if (direction == PCI_DMA_NONE)
- BUG();
-
- /* Nothing to do */
-}
-
-/* Map a set of buffers described by scatterlist in streaming
- * mode for DMA. This is the scather-gather version of the
- * above pci_map_single interface. Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length. They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- * DMA address/length pairs than there are SG table elements.
- * (for example via virtual mapping capabilities)
- * The routine returns the number of addr/length pairs actually
- * used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
-static inline int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, int direction)
-{
- if (direction == PCI_DMA_NONE)
- BUG();
- return nents;
-}
-
-/* Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
-static inline void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, int direction)
-{
- if (direction == PCI_DMA_NONE)
- BUG();
-
- /* Nothing to do */
-}
-
-/* Make physical memory consistent for a single
- * streaming mode DMA translation after a transfer.
- *
- * If you perform a pci_map_single() but wish to interrogate the
- * buffer using the cpu, yet do not wish to teardown the PCI dma
- * mapping, you must call this function before doing so. At the
- * next point you give the PCI dma address back to the card, the
- * device again owns the buffer.
- */
-static inline void pci_dma_sync_single(struct pci_dev *hwdev,
- dma_addr_t dma_handle, size_t size,
- int direction)
-{
- if (direction == PCI_DMA_NONE)
- BUG();
-
- /* Nothing to do */
-}
-
-/* Make physical memory consistent for a set of streaming
- * mode DMA translations after a transfer.
- *
- * The same as pci_dma_sync_single but for a scatter-gather list,
- * same rules and usage.
- */
-static inline void pci_dma_sync_sg(struct pci_dev *hwdev,
- struct scatterlist *sg, int nelems,
- int direction)
-{
- if (direction == PCI_DMA_NONE)
- BUG();
-
- /* Nothing to do */
-}
#endif /* _ASM_BFIN_PCI_H */
diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h
index 27290c955a7..b33a4488f49 100644
--- a/arch/blackfin/include/asm/ptrace.h
+++ b/arch/blackfin/include/asm/ptrace.h
@@ -89,9 +89,9 @@ struct pt_regs {
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13 /* ptrace signal */
-#define PTRACE_GETFDPIC 31
-#define PTRACE_GETFDPIC_EXEC 0
-#define PTRACE_GETFDPIC_INTERP 1
+#define PTRACE_GETFDPIC 31 /* get the ELF fdpic loadmap address */
+#define PTRACE_GETFDPIC_EXEC 0 /* [addr] request the executable loadmap */
+#define PTRACE_GETFDPIC_INTERP 1 /* [addr] request the interpreter loadmap */
#define PS_S (0x0002)
diff --git a/arch/blackfin/include/asm/sections.h b/arch/blackfin/include/asm/sections.h
index 1f5381fbb4a..42f6c53c59c 100644
--- a/arch/blackfin/include/asm/sections.h
+++ b/arch/blackfin/include/asm/sections.h
@@ -13,10 +13,18 @@ extern unsigned long memory_mtd_start, memory_mtd_end, mtd_size;
extern unsigned long _ramstart, _ramend, _rambase;
extern unsigned long memory_start, memory_end, physical_mem_end;
-extern char _stext_l1[], _etext_l1[], _sdata_l1[], _edata_l1[], _sbss_l1[],
- _ebss_l1[], _l1_lma_start[], _sdata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
- _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[], _sbss_l2[],
- _ebss_l2[], _l2_lma_start[];
+/*
+ * The weak markings on the lengths might seem weird, but this is required
+ * in order to make gcc accept the fact that these may actually have a value
+ * of 0 (since they aren't actually addresses, but sizes of sections).
+ */
+extern char _stext_l1[], _etext_l1[], _text_l1_lma[], __weak _text_l1_len[];
+extern char _sdata_l1[], _edata_l1[], _sbss_l1[], _ebss_l1[],
+ _data_l1_lma[], __weak _data_l1_len[];
+extern char _sdata_b_l1[], _edata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
+ _data_b_l1_lma[], __weak _data_b_l1_len[];
+extern char _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[],
+ _sbss_l2[], _ebss_l2[], _l2_lma[], __weak _l2_len[];
#include <asm/mem_map.h>
diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h
index afb3a862638..a40d9368c38 100644
--- a/arch/blackfin/include/asm/thread_info.h
+++ b/arch/blackfin/include/asm/thread_info.h
@@ -103,11 +103,13 @@ static inline struct thread_info *current_thread_info(void)
#define TIF_RESTORE_SIGMASK 5 /* restore signal mask in do_signal() */
#define TIF_FREEZE 6 /* is freezing for suspend */
#define TIF_IRQ_SYNC 7 /* sync pipeline stage */
+#define TIF_NOTIFY_RESUME 8 /* callback before returning to user */
/* as above, but as bit values */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
#define _TIF_SIGPENDING (1<<TIF_SIGPENDING)
#define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED)
+#define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
#define _TIF_FREEZE (1<<TIF_FREEZE)
diff --git a/arch/blackfin/include/asm/trace.h b/arch/blackfin/include/asm/trace.h
index 609ad3c8418..dc0aa55ae77 100644
--- a/arch/blackfin/include/asm/trace.h
+++ b/arch/blackfin/include/asm/trace.h
@@ -28,6 +28,8 @@ extern unsigned long software_trace_buff[];
#ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
+#define trace_buffer_init() bfin_write_TBUFCTL(BFIN_TRACE_INIT)
+
#define trace_buffer_save(x) \
do { \
(x) = bfin_read_TBUFCTL(); \
diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h
index c03b8532aad..1c0d190adae 100644
--- a/arch/blackfin/include/asm/uaccess.h
+++ b/arch/blackfin/include/asm/uaccess.h
@@ -17,9 +17,7 @@
#include <linux/string.h>
#include <asm/segment.h>
-#ifdef CONFIG_ACCESS_CHECK
-# include <asm/bfin-global.h>
-#endif
+#include <asm/sections.h>
#define get_ds() (KERNEL_DS)
#define get_fs() (current_thread_info()->addr_limit)
diff --git a/arch/blackfin/include/asm/unistd.h b/arch/blackfin/include/asm/unistd.h
index 779be02a910..22886cbdae7 100644
--- a/arch/blackfin/include/asm/unistd.h
+++ b/arch/blackfin/include/asm/unistd.h
@@ -388,8 +388,9 @@
#define __NR_pwritev 367
#define __NR_rt_tgsigqueueinfo 368
#define __NR_perf_event_open 369
+#define __NR_recvmmsg 370
-#define __NR_syscall 370
+#define __NR_syscall 371
#define NR_syscalls __NR_syscall
/* Old optional stuff no one actually uses */