summaryrefslogtreecommitdiffstats
path: root/arch/frv
diff options
context:
space:
mode:
Diffstat (limited to 'arch/frv')
-rw-r--r--arch/frv/include/asm/dma-mapping.h41
-rw-r--r--arch/frv/include/asm/pci.h45
-rw-r--r--arch/frv/include/asm/ptrace.h2
-rw-r--r--arch/frv/include/asm/unistd.h1
-rw-r--r--arch/frv/kernel/sys_frv.c89
-rw-r--r--arch/frv/mb93090-mb00/pci-dma-nommu.c30
-rw-r--r--arch/frv/mb93090-mb00/pci-dma.c30
-rw-r--r--arch/frv/mb93090-mb00/pci-frv.c6
8 files changed, 8 insertions, 236 deletions
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index b2898877c07b..6af5d83e2fb2 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -7,6 +7,11 @@
#include <asm/scatterlist.h>
#include <asm/io.h>
+/*
+ * See Documentation/DMA-API.txt for the description of how the
+ * following DMA API should work.
+ */
+
#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)
@@ -16,24 +21,9 @@ extern unsigned long __nongprelbss dma_coherent_mem_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, dma_addr_t dma_handle);
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * 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);
-/*
- * 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 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
enum dma_data_direction direction)
@@ -41,30 +31,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
BUG_ON(direction == DMA_NONE);
}
-/*
- * 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.
- */
extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction);
-/*
- * 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 dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
enum dma_data_direction direction)
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h
index 492b5c4dfed6..0d5997909850 100644
--- a/arch/frv/include/asm/pci.h
+++ b/arch/frv/include/asm/pci.h
@@ -43,14 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
/* Return the index of the PCI controller for device PDEV. */
#define pci_controller_num(PDEV) (0)
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME) (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME) (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
-
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
@@ -68,41 +60,4 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
#define PCIBIOS_MIN_IO 0x100
#define PCIBIOS_MIN_MEM 0x00010000
-/* 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)
-{
- BUG_ON(direction == PCI_DMA_NONE);
-
- frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle),
- (unsigned long)bus_to_virt(dma_handle) + size);
-}
-
-/* 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)
-{
- int i;
- BUG_ON(direction == PCI_DMA_NONE);
-
- for (i = 0; i < nelems; i++)
- frv_cache_wback_inv(sg_dma_address(&sg[i]),
- sg_dma_address(&sg[i])+sg_dma_len(&sg[i]));
-}
-
#endif /* _ASM_FRV_PCI_H */
diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h
index a54b535c9e49..6bfad4cf1907 100644
--- a/arch/frv/include/asm/ptrace.h
+++ b/arch/frv/include/asm/ptrace.h
@@ -84,8 +84,6 @@ extern void show_regs(struct pt_regs *);
#define task_pt_regs(task) ((task)->thread.frame0)
#define arch_has_single_step() (1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
#endif /* !__ASSEMBLY__ */
#endif /* __KERNEL__ */
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index be6ef0f5cd42..b28da499e22a 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -354,6 +354,7 @@
#define __ARCH_WANT_STAT64
#define __ARCH_WANT_SYS_ALARM
/* #define __ARCH_WANT_SYS_GETHOSTNAME */
+#define __ARCH_WANT_SYS_IPC
#define __ARCH_WANT_SYS_PAUSE
/* #define __ARCH_WANT_SYS_SGETMASK */
/* #define __ARCH_WANT_SYS_SIGNAL */
diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c
index 1d3d4c9e2521..9c4980825bbb 100644
--- a/arch/frv/kernel/sys_frv.c
+++ b/arch/frv/kernel/sys_frv.c
@@ -42,92 +42,3 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
return sys_mmap_pgoff(addr, len, prot, flags, fd,
pgoff >> (PAGE_SHIFT - 12));
}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage long sys_ipc(unsigned long call,
- unsigned long first,
- unsigned long second,
- unsigned long third,
- void __user *ptr,
- unsigned long fifth)
-{
- int version, ret;
-
- version = call >> 16; /* hack for backward compatibility */
- call &= 0xffff;
-
- switch (call) {
- case SEMOP:
- return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL);
- case SEMTIMEDOP:
- return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
- (const struct timespec __user *)fifth);
-
- case SEMGET:
- return sys_semget (first, second, third);
- case SEMCTL: {
- union semun fourth;
- if (!ptr)
- return -EINVAL;
- if (get_user(fourth.__pad, (void * __user *) ptr))
- return -EFAULT;
- return sys_semctl (first, second, third, fourth);
- }
-
- case MSGSND:
- return sys_msgsnd (first, (struct msgbuf __user *) ptr,
- second, third);
- case MSGRCV:
- switch (version) {
- case 0: {
- struct ipc_kludge tmp;
- if (!ptr)
- return -EINVAL;
-
- if (copy_from_user(&tmp,
- (struct ipc_kludge __user *) ptr,
- sizeof (tmp)))
- return -EFAULT;
- return sys_msgrcv (first, tmp.msgp, second,
- tmp.msgtyp, third);
- }
- default:
- return sys_msgrcv (first,
- (struct msgbuf __user *) ptr,
- second, fifth, third);
- }
- case MSGGET:
- return sys_msgget ((key_t) first, second);
- case MSGCTL:
- return sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
-
- case SHMAT:
- switch (version) {
- default: {
- ulong raddr;
- ret = do_shmat (first, (char __user *) ptr, second, &raddr);
- if (ret)
- return ret;
- return put_user (raddr, (ulong __user *) third);
- }
- case 1: /* iBCS2 emulator entry point */
- if (!segment_eq(get_fs(), get_ds()))
- return -EINVAL;
- /* The "(ulong *) third" is valid _only_ because of the kernel segment thing */
- return do_shmat (first, (char __user *) ptr, second, (ulong *) third);
- }
- case SHMDT:
- return sys_shmdt ((char __user *)ptr);
- case SHMGET:
- return sys_shmget (first, second, third);
- case SHMCTL:
- return sys_shmctl (first, second,
- (struct shmid_ds __user *) ptr);
- default:
- return -ENOSYS;
- }
-}
diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c
index 4e1ba0b15443..e47857f889b6 100644
--- a/arch/frv/mb93090-mb00/pci-dma-nommu.c
+++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c
@@ -106,13 +106,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_
EXPORT_SYMBOL(dma_free_coherent);
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either dma_unmap_single or pci_dma_sync_single is performed.
- */
dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction direction)
{
@@ -125,22 +118,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
EXPORT_SYMBOL(dma_map_single);
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA. This is the scather-gather version of the
- * above dma_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 dma_map_single are
- * the same here.
- */
int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
@@ -157,13 +134,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
EXPORT_SYMBOL(dma_map_sg);
-/*
- * Map a single page of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
{
diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
index 45954f0813dc..2c912e805162 100644
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ b/arch/frv/mb93090-mb00/pci-dma.c
@@ -38,13 +38,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_
EXPORT_SYMBOL(dma_free_coherent);
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * 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.
- */
dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
enum dma_data_direction direction)
{
@@ -57,22 +50,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
EXPORT_SYMBOL(dma_map_single);
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA. This is the scather-gather version of the
- * above dma_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 dma_map_single are
- * the same here.
- */
int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
enum dma_data_direction direction)
{
@@ -103,13 +80,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
EXPORT_SYMBOL(dma_map_sg);
-/*
- * Map a single page of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
size_t size, enum dma_data_direction direction)
{
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index 1ed15d7fea20..6b4fb28e9f99 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -41,7 +41,7 @@ pcibios_align_resource(void *data, const struct resource *res,
if ((res->flags & IORESOURCE_IO) && (start & 0x300))
start = (start + 0x3ff) & ~0x3ff;
- return start
+ return start;
}
@@ -94,8 +94,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
r = &dev->resource[idx];
if (!r->start)
continue;
- if (pci_claim_resource(dev, idx) < 0)
- printk(KERN_ERR "PCI: Cannot allocate resource region %d of bridge %s\n", idx, pci_name(dev));
+ pci_claim_resource(dev, idx);
}
}
pcibios_allocate_bus_resources(&bus->children);
@@ -125,7 +124,6 @@ static void __init pcibios_allocate_resources(int pass)
DBG("PCI: Resource %08lx-%08lx (f=%lx, d=%d, p=%d)\n",
r->start, r->end, r->flags, disabled, pass);
if (pci_claim_resource(dev, idx) < 0) {
- printk(KERN_ERR "PCI: Cannot allocate resource region %d of device %s\n", idx, pci_name(dev));
/* We'll assign a new address later */
r->end -= r->start;
r->start = 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 08:24:23 +0100