diff options
author | Paul Mundt <lethal@linux-sh.org> | 2010-02-18 04:35:20 -0500 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2010-02-18 04:35:20 -0500 |
commit | 77f36fcc035a5af19e95f50a2e648cda2a6ef2b9 (patch) | |
tree | a183a3289807a83da9c11e0d2d722cec60fce5d9 /arch/sh/kernel/cpu | |
parent | 838a4a9dcee0cbaeb0943531da00ac44d578f315 (diff) | |
parent | d01447b3197c2c470a14666be2c640407bbbfec7 (diff) |
Merge branch 'sh/pmb-dynamic'
Diffstat (limited to 'arch/sh/kernel/cpu')
-rw-r--r-- | arch/sh/kernel/cpu/init.c | 21 | ||||
-rw-r--r-- | arch/sh/kernel/cpu/sh4/sq.c | 13 |
2 files changed, 23 insertions, 11 deletions
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c index 6311b0b1789d..c736422344eb 100644 --- a/arch/sh/kernel/cpu/init.c +++ b/arch/sh/kernel/cpu/init.c | |||
@@ -24,6 +24,7 @@ | |||
24 | #include <asm/elf.h> | 24 | #include <asm/elf.h> |
25 | #include <asm/io.h> | 25 | #include <asm/io.h> |
26 | #include <asm/smp.h> | 26 | #include <asm/smp.h> |
27 | #include <asm/sh_bios.h> | ||
27 | 28 | ||
28 | #ifdef CONFIG_SH_FPU | 29 | #ifdef CONFIG_SH_FPU |
29 | #define cpu_has_fpu 1 | 30 | #define cpu_has_fpu 1 |
@@ -342,9 +343,21 @@ asmlinkage void __init sh_cpu_init(void) | |||
342 | speculative_execution_init(); | 343 | speculative_execution_init(); |
343 | expmask_init(); | 344 | expmask_init(); |
344 | 345 | ||
345 | /* | 346 | /* Do the rest of the boot processor setup */ |
346 | * Boot processor to setup the FP and extended state context info. | 347 | if (raw_smp_processor_id() == 0) { |
347 | */ | 348 | /* Save off the BIOS VBR, if there is one */ |
348 | if (raw_smp_processor_id() == 0) | 349 | sh_bios_vbr_init(); |
350 | |||
351 | /* | ||
352 | * Setup VBR for boot CPU. Secondary CPUs do this through | ||
353 | * start_secondary(). | ||
354 | */ | ||
355 | per_cpu_trap_init(); | ||
356 | |||
357 | /* | ||
358 | * Boot processor to setup the FP and extended state | ||
359 | * context info. | ||
360 | */ | ||
349 | init_thread_xstate(); | 361 | init_thread_xstate(); |
362 | } | ||
350 | } | 363 | } |
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c index 97aea9d69b00..fc065f9da6e5 100644 --- a/arch/sh/kernel/cpu/sh4/sq.c +++ b/arch/sh/kernel/cpu/sh4/sq.c | |||
@@ -100,7 +100,7 @@ static inline void sq_mapping_list_del(struct sq_mapping *map) | |||
100 | spin_unlock_irq(&sq_mapping_lock); | 100 | spin_unlock_irq(&sq_mapping_lock); |
101 | } | 101 | } |
102 | 102 | ||
103 | static int __sq_remap(struct sq_mapping *map, unsigned long flags) | 103 | static int __sq_remap(struct sq_mapping *map, pgprot_t prot) |
104 | { | 104 | { |
105 | #if defined(CONFIG_MMU) | 105 | #if defined(CONFIG_MMU) |
106 | struct vm_struct *vma; | 106 | struct vm_struct *vma; |
@@ -113,7 +113,7 @@ static int __sq_remap(struct sq_mapping *map, unsigned long flags) | |||
113 | 113 | ||
114 | if (ioremap_page_range((unsigned long)vma->addr, | 114 | if (ioremap_page_range((unsigned long)vma->addr, |
115 | (unsigned long)vma->addr + map->size, | 115 | (unsigned long)vma->addr + map->size, |
116 | vma->phys_addr, __pgprot(flags))) { | 116 | vma->phys_addr, prot)) { |
117 | vunmap(vma->addr); | 117 | vunmap(vma->addr); |
118 | return -EAGAIN; | 118 | return -EAGAIN; |
119 | } | 119 | } |
@@ -135,14 +135,14 @@ static int __sq_remap(struct sq_mapping *map, unsigned long flags) | |||
135 | * @phys: Physical address of mapping. | 135 | * @phys: Physical address of mapping. |
136 | * @size: Length of mapping. | 136 | * @size: Length of mapping. |
137 | * @name: User invoking mapping. | 137 | * @name: User invoking mapping. |
138 | * @flags: Protection flags. | 138 | * @prot: Protection bits. |
139 | * | 139 | * |
140 | * Remaps the physical address @phys through the next available store queue | 140 | * Remaps the physical address @phys through the next available store queue |
141 | * address of @size length. @name is logged at boot time as well as through | 141 | * address of @size length. @name is logged at boot time as well as through |
142 | * the sysfs interface. | 142 | * the sysfs interface. |
143 | */ | 143 | */ |
144 | unsigned long sq_remap(unsigned long phys, unsigned int size, | 144 | unsigned long sq_remap(unsigned long phys, unsigned int size, |
145 | const char *name, unsigned long flags) | 145 | const char *name, pgprot_t prot) |
146 | { | 146 | { |
147 | struct sq_mapping *map; | 147 | struct sq_mapping *map; |
148 | unsigned long end; | 148 | unsigned long end; |
@@ -177,7 +177,7 @@ unsigned long sq_remap(unsigned long phys, unsigned int size, | |||
177 | 177 | ||
178 | map->sq_addr = P4SEG_STORE_QUE + (page << PAGE_SHIFT); | 178 | map->sq_addr = P4SEG_STORE_QUE + (page << PAGE_SHIFT); |
179 | 179 | ||
180 | ret = __sq_remap(map, pgprot_val(PAGE_KERNEL_NOCACHE) | flags); | 180 | ret = __sq_remap(map, prot); |
181 | if (unlikely(ret != 0)) | 181 | if (unlikely(ret != 0)) |
182 | goto out; | 182 | goto out; |
183 | 183 | ||
@@ -309,8 +309,7 @@ static ssize_t mapping_store(const char *buf, size_t count) | |||
309 | return -EIO; | 309 | return -EIO; |
310 | 310 | ||
311 | if (likely(len)) { | 311 | if (likely(len)) { |
312 | int ret = sq_remap(base, len, "Userspace", | 312 | int ret = sq_remap(base, len, "Userspace", PAGE_SHARED); |
313 | pgprot_val(PAGE_SHARED)); | ||
314 | if (ret < 0) | 313 | if (ret < 0) |
315 | return ret; | 314 | return ret; |
316 | } else | 315 | } else |