drivers/iommu/omap-iommu.c

211 static u32 iotlb_cr_to_virt(struct cr_regs *cr)
213 	u32 page_size = cr->cam & MMU_CAM_PGSZ_MASK;
214 	u32 mask = get_cam_va_mask(cr->cam & page_size);
216 	return cr->cam & mask;
270 static void iotlb_read_cr(struct omap_iommu *obj, struct cr_regs *cr)
272 	cr->cam = iommu_read_reg(obj, MMU_READ_CAM);
273 	cr->ram = iommu_read_reg(obj, MMU_READ_RAM);
276 static void iotlb_load_cr(struct omap_iommu *obj, struct cr_regs *cr)
278 	iommu_write_reg(obj, cr->cam | MMU_CAM_V, MMU_CAM);
279 	iommu_write_reg(obj, cr->ram, MMU_RAM);
288 	struct cr_regs cr;
294 	iotlb_read_cr(obj, &cr);
296 	return cr;
303 	struct cr_regs *cr;
314 	cr = kmalloc(sizeof(*cr), GFP_KERNEL);
315 	if (!cr)
318 	cr->cam = (e->da & MMU_CAM_VATAG_MASK) | e->prsvd | e->pgsz | e->valid;
319 	cr->ram = e->pa | e->endian | e->elsz | e->mixed;
321 	return cr;
333 	struct cr_regs *cr;
366 	cr = iotlb_alloc_cr(obj, e);
367 	if (IS_ERR(cr)) {
369 		return PTR_ERR(cr);
372 	iotlb_load_cr(obj, cr);
373 	kfree(cr);
410 	struct cr_regs cr;
414 	for_each_iotlb_cr(obj, obj->nr_tlb_entries, i, cr) {
418 		if (!iotlb_cr_valid(&cr))
421 		start = iotlb_cr_to_virt(&cr);
422 		bytes = iopgsz_to_bytes(cr.cam & 3);
427 			iotlb_load_cr(obj, &cr);
903 	struct cr_regs cr;
914 	for_each_iotlb_cr(obj, obj->num_cr_ctx, i, cr)
915 		* tmp++ = cr;