diff options
Diffstat (limited to 'arch/sh/kernel')
-rw-r--r-- | arch/sh/kernel/Makefile | 3 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/clock-sh7786.c | 1 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7722.c | 11 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7724.c | 88 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7780.c | 3 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7785.c | 2 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4a/setup-sh7786.c | 2 | ||||
-rw-r--r-- | arch/sh/kernel/dwarf.c | 23 | ||||
-rw-r--r-- | arch/sh/kernel/io.c | 22 | ||||
-rw-r--r-- | arch/sh/kernel/io_generic.c | 20 | ||||
-rw-r--r-- | arch/sh/kernel/io_trapped.c | 4 | ||||
-rw-r--r-- | arch/sh/kernel/machvec.c | 17 | ||||
-rw-r--r-- | arch/sh/kernel/ptrace_32.c | 23 | ||||
-rw-r--r-- | arch/sh/kernel/return_address.c | 2 |
14 files changed, 160 insertions, 61 deletions
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile index 650b92f00ee..e25f3c69525 100644 --- a/arch/sh/kernel/Makefile +++ b/arch/sh/kernel/Makefile @@ -12,7 +12,7 @@ endif CFLAGS_REMOVE_return_address.o = -pg obj-y := clkdev.o debugtraps.o dma-nommu.o dumpstack.o \ - idle.o io.o io_generic.o irq.o \ + idle.o io.o irq.o \ irq_$(BITS).o machvec.o nmi_debug.o process.o \ process_$(BITS).o ptrace_$(BITS).o \ reboot.o return_address.o \ @@ -39,6 +39,7 @@ obj-$(CONFIG_DUMP_CODE) += disassemble.o obj-$(CONFIG_HIBERNATION) += swsusp.o obj-$(CONFIG_DWARF_UNWINDER) += dwarf.o obj-$(CONFIG_PERF_EVENTS) += perf_event.o perf_callchain.o +obj-$(CONFIG_HAS_IOPORT) += io_generic.o obj-$(CONFIG_HAVE_HW_BREAKPOINT) += hw_breakpoint.o obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST) += localtimer.o diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c index 105a6d41b56..597c9fbe49c 100644 --- a/arch/sh/kernel/cpu/sh4a/clock-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/clock-sh7786.c @@ -13,7 +13,6 @@ #include <linux/kernel.h> #include <linux/clk.h> #include <linux/io.h> -#include <linux/clk.h> #include <asm/clkdev.h> #include <asm/clock.h> #include <asm/freq.h> diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c index 24c6167a718..156ccc96001 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c @@ -17,7 +17,6 @@ #include <linux/usb/m66592.h> #include <asm/clock.h> -#include <asm/dmaengine.h> #include <asm/mmzone.h> #include <asm/siu.h> @@ -75,6 +74,16 @@ static const struct sh_dmae_slave_config sh7722_dmae_slaves[] = { .addr = 0xa454c094, .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT), .mid_rid = 0xb6, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0x04ce0030, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0x04ce0030, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc2, }, }; diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c index 89fe16d20fd..79c556e5626 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c @@ -18,19 +18,103 @@ #include <linux/mm.h> #include <linux/serial_sci.h> #include <linux/uio_driver.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> #include <linux/io.h> #include <linux/notifier.h> #include <asm/suspend.h> #include <asm/clock.h> -#include <asm/dmaengine.h> #include <asm/mmzone.h> #include <cpu/dma-register.h> #include <cpu/sh7724.h> /* DMA */ +static const struct sh_dmae_slave_config sh7724_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SCIF0_TX, + .addr = 0xffe0000c, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x21, + }, { + .slave_id = SHDMA_SLAVE_SCIF0_RX, + .addr = 0xffe00014, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x22, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_TX, + .addr = 0xffe1000c, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x25, + }, { + .slave_id = SHDMA_SLAVE_SCIF1_RX, + .addr = 0xffe10014, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x26, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_TX, + .addr = 0xffe2000c, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x29, + }, { + .slave_id = SHDMA_SLAVE_SCIF2_RX, + .addr = 0xffe20014, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x2a, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_TX, + .addr = 0xa4e30020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x2d, + }, { + .slave_id = SHDMA_SLAVE_SCIF3_RX, + .addr = 0xa4e30024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x2e, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_TX, + .addr = 0xa4e40020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x31, + }, { + .slave_id = SHDMA_SLAVE_SCIF4_RX, + .addr = 0xa4e40024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x32, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_TX, + .addr = 0xa4e50020, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x35, + }, { + .slave_id = SHDMA_SLAVE_SCIF5_RX, + .addr = 0xa4e50024, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT), + .mid_rid = 0x36, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0x04ce0030, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0x04ce0030, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_TX, + .addr = 0x04cf0030, + .chcr = DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xc9, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_RX, + .addr = 0x04cf0030, + .chcr = DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_16BIT), + .mid_rid = 0xca, + }, +}; + static const struct sh_dmae_channel sh7724_dmae_channels[] = { { .offset = 0, @@ -62,6 +146,8 @@ static const struct sh_dmae_channel sh7724_dmae_channels[] = { static const unsigned int ts_shift[] = TS_SHIFT; static struct sh_dmae_pdata dma_platform_data = { + .slave = sh7724_dmae_slaves, + .slave_num = ARRAY_SIZE(sh7724_dmae_slaves), .channel = sh7724_dmae_channels, .channel_num = ARRAY_SIZE(sh7724_dmae_channels), .ts_low_shift = CHCR_TS_LOW_SHIFT, diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c index b12f537e4dd..0f414864f76 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c @@ -12,10 +12,9 @@ #include <linux/serial.h> #include <linux/io.h> #include <linux/serial_sci.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> -#include <asm/dmaengine.h> - #include <cpu/dma-register.h> static struct plat_sci_port scif0_platform_data = { diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c index f3e3ea0ce05..c9a572bc6dc 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c @@ -13,9 +13,9 @@ #include <linux/serial_sci.h> #include <linux/io.h> #include <linux/mm.h> +#include <linux/sh_dma.h> #include <linux/sh_timer.h> -#include <asm/dmaengine.h> #include <asm/mmzone.h> #include <cpu/dma-register.h> diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c index 81657091da4..8797723231e 100644 --- a/arch/sh/kernel/cpu/sh4a/setup-sh7786.c +++ b/arch/sh/kernel/cpu/sh4a/setup-sh7786.c @@ -21,10 +21,10 @@ #include <linux/mm.h> #include <linux/dma-mapping.h> #include <linux/sh_timer.h> +#include <linux/sh_dma.h> #include <linux/sh_intc.h> #include <cpu/dma-register.h> #include <asm/mmzone.h> -#include <asm/dmaengine.h> static struct plat_sci_port scif0_platform_data = { .mapbase = 0xffea0000, diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index 5ec1d181869..49c09c7d5b7 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -49,6 +49,8 @@ static DEFINE_SPINLOCK(dwarf_fde_lock); static struct dwarf_cie *cached_cie; +static unsigned int dwarf_unwinder_ready; + /** * dwarf_frame_alloc_reg - allocate memory for a DWARF register * @frame: the DWARF frame whose list of registers we insert on @@ -582,6 +584,13 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc, unsigned long addr; /* + * If we've been called in to before initialization has + * completed, bail out immediately. + */ + if (!dwarf_unwinder_ready) + return NULL; + + /* * If we're starting at the top of the stack we need get the * contents of a physical register to get the CFA in order to * begin the virtual unwinding of the stack. @@ -845,8 +854,10 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len, rb_link_node(&cie->node, parent, rb_node); rb_insert_color(&cie->node, &cie_root); +#ifdef CONFIG_MODULES if (mod != NULL) list_add_tail(&cie->link, &mod->arch.cie_list); +#endif spin_unlock_irqrestore(&dwarf_cie_lock, flags); @@ -935,8 +946,10 @@ static int dwarf_parse_fde(void *entry, u32 entry_type, rb_link_node(&fde->node, parent, rb_node); rb_insert_color(&fde->node, &fde_root); +#ifdef CONFIG_MODULES if (mod != NULL) list_add_tail(&fde->link, &mod->arch.fde_list); +#endif spin_unlock_irqrestore(&dwarf_fde_lock, flags); @@ -1163,7 +1176,7 @@ void module_dwarf_cleanup(struct module *mod) */ static int __init dwarf_unwinder_init(void) { - int err; + int err = -ENOMEM; dwarf_frame_cachep = kmem_cache_create("dwarf_frames", sizeof(struct dwarf_frame), 0, @@ -1177,11 +1190,15 @@ static int __init dwarf_unwinder_init(void) mempool_alloc_slab, mempool_free_slab, dwarf_frame_cachep); + if (!dwarf_frame_pool) + goto out; dwarf_reg_pool = mempool_create(DWARF_REG_MIN_REQ, mempool_alloc_slab, mempool_free_slab, dwarf_reg_cachep); + if (!dwarf_reg_pool) + goto out; err = dwarf_parse_section(__start_eh_frame, __stop_eh_frame, NULL); if (err) @@ -1191,11 +1208,13 @@ static int __init dwarf_unwinder_init(void) if (err) goto out; + dwarf_unwinder_ready = 1; + return 0; out: printk(KERN_ERR "Failed to initialise DWARF unwinder: %d\n", err); dwarf_unwinder_cleanup(); - return -EINVAL; + return err; } early_initcall(dwarf_unwinder_init); diff --git a/arch/sh/kernel/io.c b/arch/sh/kernel/io.c index 4770c241c67..5c51b794ba2 100644 --- a/arch/sh/kernel/io.c +++ b/arch/sh/kernel/io.c @@ -112,25 +112,3 @@ void memset_io(volatile void __iomem *dst, int c, unsigned long count) } } EXPORT_SYMBOL(memset_io); - -#ifndef CONFIG_GENERIC_IOMAP - -void __iomem *ioport_map(unsigned long port, unsigned int nr) -{ - void __iomem *ret; - - ret = __ioport_map_trapped(port, nr); - if (ret) - return ret; - - return __ioport_map(port, nr); -} -EXPORT_SYMBOL(ioport_map); - -void ioport_unmap(void __iomem *addr) -{ - sh_mv.mv_ioport_unmap(addr); -} -EXPORT_SYMBOL(ioport_unmap); - -#endif /* CONFIG_GENERIC_IOMAP */ diff --git a/arch/sh/kernel/io_generic.c b/arch/sh/kernel/io_generic.c index e1e1dbd1955..447d78f666f 100644 --- a/arch/sh/kernel/io_generic.c +++ b/arch/sh/kernel/io_generic.c @@ -158,3 +158,23 @@ void __iomem *generic_ioport_map(unsigned long addr, unsigned int size) void generic_ioport_unmap(void __iomem *addr) { } + +#ifndef CONFIG_GENERIC_IOMAP +void __iomem *ioport_map(unsigned long port, unsigned int nr) +{ + void __iomem *ret; + + ret = __ioport_map_trapped(port, nr); + if (ret) + return ret; + + return __ioport_map(port, nr); +} +EXPORT_SYMBOL(ioport_map); + +void ioport_unmap(void __iomem *addr) +{ + sh_mv.mv_ioport_unmap(addr); +} +EXPORT_SYMBOL(ioport_unmap); +#endif /* CONFIG_GENERIC_IOMAP */ diff --git a/arch/sh/kernel/io_trapped.c b/arch/sh/kernel/io_trapped.c index 4a8bb4eeb8a..2947d2bd129 100644 --- a/arch/sh/kernel/io_trapped.c +++ b/arch/sh/kernel/io_trapped.c @@ -91,10 +91,14 @@ int register_trapped_io(struct trapped_io *tiop) tiop->magic = IO_TRAPPED_MAGIC; INIT_LIST_HEAD(&tiop->list); spin_lock_irq(&trapped_lock); +#ifdef CONFIG_HAS_IOPORT if (flags & IORESOURCE_IO) list_add(&tiop->list, &trapped_io); +#endif +#ifdef CONFIG_HAS_IOMEM if (flags & IORESOURCE_MEM) list_add(&tiop->list, &trapped_mem); +#endif spin_unlock_irq(&trapped_lock); return 0; diff --git a/arch/sh/kernel/machvec.c b/arch/sh/kernel/machvec.c index 85cfaf916fd..9f9bb63616a 100644 --- a/arch/sh/kernel/machvec.c +++ b/arch/sh/kernel/machvec.c @@ -118,6 +118,14 @@ void __init sh_mv_setup(void) sh_mv.mv_##elem = generic_##elem; \ } while (0) +#ifdef CONFIG_HAS_IOPORT + +#ifdef P2SEG + __set_io_port_base(P2SEG); +#else + __set_io_port_base(0); +#endif + mv_set(inb); mv_set(inw); mv_set(inl); mv_set(outb); mv_set(outw); mv_set(outl); @@ -129,16 +137,13 @@ void __init sh_mv_setup(void) mv_set(ioport_map); mv_set(ioport_unmap); + +#endif + mv_set(irq_demux); mv_set(mode_pins); mv_set(mem_init); if (!sh_mv.mv_nr_irqs) sh_mv.mv_nr_irqs = NR_IRQS; - -#ifdef P2SEG - __set_io_port_base(P2SEG); -#else - __set_io_port_base(0); -#endif } diff --git a/arch/sh/kernel/ptrace_32.c b/arch/sh/kernel/ptrace_32.c index d4104ce9fe5..6c4bbba2a67 100644 --- a/arch/sh/kernel/ptrace_32.c +++ b/arch/sh/kernel/ptrace_32.c @@ -436,29 +436,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) 0, sizeof(struct pt_dspregs), (const void __user *)data); #endif -#ifdef CONFIG_BINFMT_ELF_FDPIC - case PTRACE_GETFDPIC: { - unsigned long tmp = 0; - - switch (addr) { - case PTRACE_GETFDPIC_EXEC: - tmp = child->mm->context.exec_fdpic_loadmap; - break; - case PTRACE_GETFDPIC_INTERP: - tmp = child->mm->context.interp_fdpic_loadmap; - break; - default: - break; - } - - ret = 0; - if (put_user(tmp, datap)) { - ret = -EFAULT; - break; - } - break; - } -#endif default: ret = ptrace_request(child, request, addr, data); break; diff --git a/arch/sh/kernel/return_address.c b/arch/sh/kernel/return_address.c index cbf1dd5372b..5124aeb28c3 100644 --- a/arch/sh/kernel/return_address.c +++ b/arch/sh/kernel/return_address.c @@ -24,6 +24,8 @@ void *return_address(unsigned int depth) struct dwarf_frame *tmp; tmp = dwarf_unwind_stack(ra, frame); + if (!tmp) + return NULL; if (frame) dwarf_free_frame(frame); |