diff options
Diffstat (limited to 'arch/microblaze')
| -rw-r--r-- | arch/microblaze/include/asm/Kbuild | 1 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/dma-mapping.h | 70 | ||||
| -rw-r--r-- | arch/microblaze/include/asm/ftrace.h | 2 | ||||
| -rw-r--r-- | arch/microblaze/include/uapi/asm/elf.h | 3 | ||||
| -rw-r--r-- | arch/microblaze/kernel/dma.c | 3 | ||||
| -rw-r--r-- | arch/microblaze/kernel/intc.c | 3 | ||||
| -rw-r--r-- | arch/microblaze/kernel/timer.c | 46 |
7 files changed, 25 insertions, 103 deletions
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild index 2f222f355..b0ae88c9f 100644 --- a/arch/microblaze/include/asm/Kbuild +++ b/arch/microblaze/include/asm/Kbuild @@ -10,3 +10,4 @@ generic-y += mm-arch-hooks.h generic-y += preempt.h generic-y += syscalls.h generic-y += trace_clock.h +generic-y += word-at-a-time.h diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h index ab3537230..24b12970c 100644 --- a/arch/microblaze/include/asm/dma-mapping.h +++ b/arch/microblaze/include/asm/dma-mapping.h @@ -27,7 +27,6 @@ #include <linux/dma-debug.h> #include <linux/dma-attrs.h> #include <asm/io.h> -#include <asm-generic/dma-coherent.h> #include <asm/cacheflush.h> #define DMA_ERROR_CODE (~(dma_addr_t)0x0) @@ -45,31 +44,6 @@ static inline struct dma_map_ops *get_dma_ops(struct device *dev) return &dma_direct_ops; } -static inline int dma_supported(struct device *dev, u64 mask) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - - if (unlikely(!ops)) - return 0; - if (!ops->dma_supported) - return 1; - return ops->dma_supported(dev, mask); -} - -static inline int dma_set_mask(struct device *dev, u64 dma_mask) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - - if (unlikely(ops == NULL)) - return -EIO; - if (ops->set_dma_mask) - return ops->set_dma_mask(dev, dma_mask); - if (!dev->dma_mask || !dma_supported(dev, dma_mask)) - return -EIO; - *dev->dma_mask = dma_mask; - return 0; -} - #include <asm-generic/dma-mapping-common.h> static inline void __dma_sync(unsigned long paddr, @@ -88,50 +62,6 @@ static inline void __dma_sync(unsigned long paddr, } } -static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - - debug_dma_mapping_error(dev, dma_addr); - if (ops->mapping_error) - return ops->mapping_error(dev, dma_addr); - - return (dma_addr == DMA_ERROR_CODE); -} - -#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_alloc_coherent(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL) - -static inline void *dma_alloc_attrs(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag, - struct dma_attrs *attrs) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - void *memory; - - BUG_ON(!ops); - - memory = ops->alloc(dev, size, dma_handle, flag, attrs); - - debug_dma_alloc_coherent(dev, size, *dma_handle, memory); - return memory; -} - -#define dma_free_coherent(d,s,c,h) dma_free_attrs(d, s, c, h, NULL) - -static inline void dma_free_attrs(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle, - struct dma_attrs *attrs) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!ops); - debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); - ops->free(dev, size, cpu_addr, dma_handle, attrs); -} - static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, enum dma_data_direction direction) { diff --git a/arch/microblaze/include/asm/ftrace.h b/arch/microblaze/include/asm/ftrace.h index fd2fa2eca..da0144f40 100644 --- a/arch/microblaze/include/asm/ftrace.h +++ b/arch/microblaze/include/asm/ftrace.h @@ -3,7 +3,7 @@ #ifdef CONFIG_FUNCTION_TRACER -#define MCOUNT_ADDR ((long)(_mcount)) +#define MCOUNT_ADDR ((unsigned long)(_mcount)) #define MCOUNT_INSN_SIZE 8 /* sizeof mcount call */ #ifndef __ASSEMBLY__ diff --git a/arch/microblaze/include/uapi/asm/elf.h b/arch/microblaze/include/uapi/asm/elf.h index be1731d5e..e9bcdb6e0 100644 --- a/arch/microblaze/include/uapi/asm/elf.h +++ b/arch/microblaze/include/uapi/asm/elf.h @@ -11,12 +11,13 @@ #ifndef _UAPI_ASM_MICROBLAZE_ELF_H #define _UAPI_ASM_MICROBLAZE_ELF_H +#include <linux/elf-em.h> + /* * Note there is no "official" ELF designation for Microblaze. * I've snaffled the value from the microblaze binutils source code * /binutils/microblaze/include/elf/microblaze.h */ -#define EM_MICROBLAZE 189 #define EM_MICROBLAZE_OLD 0xbaab #define ELF_ARCH EM_MICROBLAZE diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index bf4dec229..c89da6312 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -61,8 +61,7 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, /* FIXME this part of code is untested */ for_each_sg(sgl, sg, nents, i) { sg->dma_address = sg_phys(sg); - __dma_sync(page_to_phys(sg_page(sg)) + sg->offset, - sg->length, direction); + __dma_sync(sg_phys(sg), sg->length, direction); } return nents; diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c index 719feee1e..90bec7d71 100644 --- a/arch/microblaze/kernel/intc.c +++ b/arch/microblaze/kernel/intc.c @@ -11,12 +11,11 @@ #include <linux/irqdomain.h> #include <linux/irq.h> +#include <linux/irqchip.h> #include <linux/of_address.h> #include <linux/io.h> #include <linux/bug.h> -#include "../../drivers/irqchip/irqchip.h" - static void __iomem *intc_baseaddr; /* No one else should require these constants, so define them locally here. */ diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c index c8977450e..67e2ef48d 100644 --- a/arch/microblaze/kernel/timer.c +++ b/arch/microblaze/kernel/timer.c @@ -122,37 +122,29 @@ static int xilinx_timer_set_next_event(unsigned long delta, return 0; } -static void xilinx_timer_set_mode(enum clock_event_mode mode, - struct clock_event_device *evt) +static int xilinx_timer_shutdown(struct clock_event_device *evt) { - switch (mode) { - case CLOCK_EVT_MODE_PERIODIC: - pr_info("%s: periodic\n", __func__); - xilinx_timer0_start_periodic(freq_div_hz); - break; - case CLOCK_EVT_MODE_ONESHOT: - pr_info("%s: oneshot\n", __func__); - break; - case CLOCK_EVT_MODE_UNUSED: - pr_info("%s: unused\n", __func__); - break; - case CLOCK_EVT_MODE_SHUTDOWN: - pr_info("%s: shutdown\n", __func__); - xilinx_timer0_stop(); - break; - case CLOCK_EVT_MODE_RESUME: - pr_info("%s: resume\n", __func__); - break; - } + pr_info("%s\n", __func__); + xilinx_timer0_stop(); + return 0; +} + +static int xilinx_timer_set_periodic(struct clock_event_device *evt) +{ + pr_info("%s\n", __func__); + xilinx_timer0_start_periodic(freq_div_hz); + return 0; } static struct clock_event_device clockevent_xilinx_timer = { - .name = "xilinx_clockevent", - .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC, - .shift = 8, - .rating = 300, - .set_next_event = xilinx_timer_set_next_event, - .set_mode = xilinx_timer_set_mode, + .name = "xilinx_clockevent", + .features = CLOCK_EVT_FEAT_ONESHOT | + CLOCK_EVT_FEAT_PERIODIC, + .shift = 8, + .rating = 300, + .set_next_event = xilinx_timer_set_next_event, + .set_state_shutdown = xilinx_timer_shutdown, + .set_state_periodic = xilinx_timer_set_periodic, }; static inline void timer_ack(void) |