void *mpc85xx_cache_sram_alloc(unsigned int size,
phys_addr_t *phys, unsigned int align)
{
unsigned long offset;
unsigned long flags;
if (unlikely(cache_sram == NULL))
return NULL;
if (!size || (size > cache_sram->size) || (align > cache_sram->size)) {
pr_err("%s(): size(=%x) or align(=%x) zero or too big\n",
__func__, size, align);
return NULL;
}
if ((align & (align - 1)) || align <= 1) {
pr_err("%s(): align(=%x) must be power of two and >1\n",
__func__, align);
return NULL;
}
spin_lock_irqsave(&cache_sram->lock, flags);
offset = rh_alloc_align(cache_sram->rh, size, align, NULL);
spin_unlock_irqrestore(&cache_sram->lock, flags);
if (IS_ERR_VALUE(offset))
return NULL;
*phys = cache_sram->base_phys + offset;
return (unsigned char *)cache_sram->base_virt + offset;
}
/* This function returns an index into the MURAM area.
*/
unsigned long qe_muram_alloc(int size, int align)
{
unsigned long start;
unsigned long flags;
spin_lock_irqsave(&qe_muram_lock, flags);
start = rh_alloc_align(&qe_muram_info, size, align, "QE");
spin_unlock_irqrestore(&qe_muram_lock, flags);
return start;
}
void* bcom_sram_alloc(int size, int align, phys_addr_t *phys)
{
unsigned long offset;
spin_lock(&bcom_sram->lock);
offset = rh_alloc_align(bcom_sram->rh, size, align, NULL);
spin_unlock(&bcom_sram->lock);
if (IS_ERR_VALUE(offset))
return NULL;
*phys = bcom_sram->base_phys + offset;
return bcom_sram->base_virt + offset;
}
void *starlet_ioh_kzalloc_aligned(size_t size, size_t align)
{
struct starlet_ioh *ioh = starlet_ioh_get();
unsigned long offset;
void *ptr;
unsigned long flags;
if (!ioh)
return NULL;
spin_lock_irqsave(&ioh->lock, flags);
offset = rh_alloc_align(ioh->rheap, size, align, NULL);
spin_unlock_irqrestore(&ioh->lock, flags);
if (IS_ERR_VALUE(offset))
return NULL;
ptr = ioh->base + offset;
memset(ptr, 0, size);
return ptr;
}
