diff options
Diffstat (limited to 'arch/cris/arch-v32')
| -rw-r--r-- | arch/cris/arch-v32/drivers/Kconfig | 2 | ||||
| -rw-r--r-- | arch/cris/arch-v32/drivers/axisflashmap.c | 9 | ||||
| -rw-r--r-- | arch/cris/arch-v32/drivers/sync_serial.c | 2 | ||||
| -rw-r--r-- | arch/cris/arch-v32/kernel/cache.c | 33 | ||||
| -rw-r--r-- | arch/cris/arch-v32/kernel/cacheflush.S | 94 | ||||
| -rw-r--r-- | arch/cris/arch-v32/kernel/io.c | 2 | ||||
| -rw-r--r-- | arch/cris/arch-v32/kernel/setup.c | 6 |
7 files changed, 135 insertions, 13 deletions
diff --git a/arch/cris/arch-v32/drivers/Kconfig b/arch/cris/arch-v32/drivers/Kconfig index cc6ba542375..7f72d7c9e1c 100644 --- a/arch/cris/arch-v32/drivers/Kconfig +++ b/arch/cris/arch-v32/drivers/Kconfig @@ -362,8 +362,6 @@ config ETRAX_AXISFLASHMAP select MTD select MTD_CFI select MTD_CFI_AMDSTD - select MTD_OBSOLETE_CHIPS - select MTD_AMDSTD select MTD_CHAR select MTD_BLOCK select MTD_PARTITIONS diff --git a/arch/cris/arch-v32/drivers/axisflashmap.c b/arch/cris/arch-v32/drivers/axisflashmap.c index 3ec12ea44e8..c5ff95e1826 100644 --- a/arch/cris/arch-v32/drivers/axisflashmap.c +++ b/arch/cris/arch-v32/drivers/axisflashmap.c @@ -190,13 +190,12 @@ static struct mtd_info *probe_cs(struct map_info *map_cs) "%s: Probing a 0x%08lx bytes large window at 0x%08lx.\n", map_cs->name, map_cs->size, map_cs->map_priv_1); -#ifdef CONFIG_MTD_AMDSTD - mtd_cs = do_map_probe("amd_flash", map_cs); -#endif #ifdef CONFIG_MTD_CFI - if (!mtd_cs) { mtd_cs = do_map_probe("cfi_probe", map_cs); - } +#endif +#ifdef CONFIG_MTD_JEDECPROBE + if (!mtd_cs) + mtd_cs = do_map_probe("jedec_probe", map_cs); #endif return mtd_cs; diff --git a/arch/cris/arch-v32/drivers/sync_serial.c b/arch/cris/arch-v32/drivers/sync_serial.c index df89298aafc..d581b0a92a3 100644 --- a/arch/cris/arch-v32/drivers/sync_serial.c +++ b/arch/cris/arch-v32/drivers/sync_serial.c @@ -185,7 +185,7 @@ static struct sync_port ports[]= } }; -#define NUMBER_OF_PORTS (sizeof(ports)/sizeof(sync_port)) +#define NUMBER_OF_PORTS ARRAY_SIZE(ports) static const struct file_operations sync_serial_fops = { .owner = THIS_MODULE, diff --git a/arch/cris/arch-v32/kernel/cache.c b/arch/cris/arch-v32/kernel/cache.c new file mode 100644 index 00000000000..80da7b88a72 --- /dev/null +++ b/arch/cris/arch-v32/kernel/cache.c @@ -0,0 +1,33 @@ +#include <linux/module.h> +#include <asm/io.h> +#include <asm/arch/cache.h> +#include <asm/arch/hwregs/dma.h> + +/* This file is used to workaround a cache bug, Guinness TR 106. */ + +inline void flush_dma_descr(struct dma_descr_data *descr, int flush_buf) +{ + /* Flush descriptor to make sure we get correct in_eop and after. */ + asm volatile ("ftagd [%0]" :: "r" (descr)); + /* Flush buffer pointed out by descriptor. */ + if (flush_buf) + cris_flush_cache_range(phys_to_virt((unsigned)descr->buf), + (unsigned)(descr->after - descr->buf)); +} +EXPORT_SYMBOL(flush_dma_descr); + +void flush_dma_list(struct dma_descr_data *descr) +{ + while (1) { + flush_dma_descr(descr, 1); + if (descr->eol) + break; + descr = phys_to_virt((unsigned)descr->next); + } +} +EXPORT_SYMBOL(flush_dma_list); + +/* From cacheflush.S */ +EXPORT_SYMBOL(cris_flush_cache); +/* From cacheflush.S */ +EXPORT_SYMBOL(cris_flush_cache_range); diff --git a/arch/cris/arch-v32/kernel/cacheflush.S b/arch/cris/arch-v32/kernel/cacheflush.S new file mode 100644 index 00000000000..956e8fb82f0 --- /dev/null +++ b/arch/cris/arch-v32/kernel/cacheflush.S @@ -0,0 +1,94 @@ + .global cris_flush_cache_range +cris_flush_cache_range: + move.d 1024, $r12 + cmp.d $r11, $r12 + bhi cris_flush_1KB + nop + add.d $r10, $r11 + ftagd [$r10] +cris_flush_last: + addq 32, $r10 + cmp.d $r11, $r10 + blt cris_flush_last + ftagd [$r10] + ret + nop +cris_flush_1KB: + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ftagd [$r10] + addq 32, $r10 + ba cris_flush_cache_range + sub.d $r12, $r11 + + .global cris_flush_cache +cris_flush_cache: + moveq 0, $r10 +cris_flush_line: + move.d 16*1024, $r11 + addq 16, $r10 + cmp.d $r10, $r11 + blt cris_flush_line + fidxd [$r10] + ret + nop diff --git a/arch/cris/arch-v32/kernel/io.c b/arch/cris/arch-v32/kernel/io.c index dfbfcb8d258..a22a9e02e09 100644 --- a/arch/cris/arch-v32/kernel/io.c +++ b/arch/cris/arch-v32/kernel/io.c @@ -49,7 +49,7 @@ struct crisv32_ioport crisv32_ioports[] = } }; -#define NBR_OF_PORTS sizeof(crisv32_ioports)/sizeof(struct crisv32_ioport) +#define NBR_OF_PORTS ARRAY_SIZE(crisv32_ioports) struct crisv32_iopin crisv32_led1_green; struct crisv32_iopin crisv32_led1_red; diff --git a/arch/cris/arch-v32/kernel/setup.c b/arch/cris/arch-v32/kernel/setup.c index 4662f363df6..72e9e8331f6 100644 --- a/arch/cris/arch-v32/kernel/setup.c +++ b/arch/cris/arch-v32/kernel/setup.c @@ -54,12 +54,10 @@ show_cpuinfo(struct seq_file *m, void *v) { int i; int cpu = (int)v - 1; - int entries; unsigned long revision; struct cpu_info *info; - entries = sizeof cpinfo / sizeof(struct cpu_info); - info = &cpinfo[entries - 1]; + info = &cpinfo[ARRAY_SIZE(cpinfo) - 1]; #ifdef CONFIG_SMP if (!cpu_online(cpu)) @@ -68,7 +66,7 @@ show_cpuinfo(struct seq_file *m, void *v) revision = rdvr(); - for (i = 0; i < entries; i++) { + for (i = 0; i < ARRAY_SIZE(cpinfo); i++) { if (cpinfo[i].rev == revision) { info = &cpinfo[i]; break; |