-#ifdef CONFIG_OMAP_IOMMU_DEBUG
-
-#define pr_reg(name) \
- do { \
- ssize_t bytes; \
- const char *str = "%20s: %08x\n"; \
- const int maxcol = 32; \
- bytes = snprintf(p, maxcol, str, __stringify(name), \
- iommu_read_reg(obj, MMU_##name)); \
- p += bytes; \
- len -= bytes; \
- if (len < maxcol) \
- goto out; \
- } while (0)
-
-static ssize_t
-omap2_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len)
-{
- char *p = buf;
-
- pr_reg(REVISION);
- pr_reg(IRQSTATUS);
- pr_reg(IRQENABLE);
- pr_reg(WALKING_ST);
- pr_reg(CNTL);
- pr_reg(FAULT_AD);
- pr_reg(TTB);
- pr_reg(LOCK);
- pr_reg(LD_TLB);
- pr_reg(CAM);
- pr_reg(RAM);
- pr_reg(GFLUSH);
- pr_reg(FLUSH_ENTRY);
- pr_reg(READ_CAM);
- pr_reg(READ_RAM);
- pr_reg(EMU_FAULT_AD);
-out:
- return p - buf;
-}
-
-ssize_t omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t bytes)
-{
- if (!obj || !buf)
- return -EINVAL;
-
- pm_runtime_get_sync(obj->dev);
-
- bytes = omap2_iommu_dump_ctx(obj, buf, bytes);
-
- pm_runtime_put_sync(obj->dev);
-
- return bytes;
-}
-
-static int
-__dump_tlb_entries(struct omap_iommu *obj, struct cr_regs *crs, int num)
-{
- int i;
- struct iotlb_lock saved;
- struct cr_regs tmp;
- struct cr_regs *p = crs;
-
- pm_runtime_get_sync(obj->dev);
- iotlb_lock_get(obj, &saved);
-
- for_each_iotlb_cr(obj, num, i, tmp) {
- if (!iotlb_cr_valid(&tmp))
- continue;
- *p++ = tmp;
- }
-
- iotlb_lock_set(obj, &saved);
- pm_runtime_put_sync(obj->dev);
-
- return p - crs;
-}
-
-/**
- * iotlb_dump_cr - Dump an iommu tlb entry into buf
- * @obj: target iommu
- * @cr: contents of cam and ram register
- * @buf: output buffer
- **/
-static ssize_t iotlb_dump_cr(struct omap_iommu *obj, struct cr_regs *cr,
- char *buf)
-{
- char *p = buf;
-
- /* FIXME: Need more detail analysis of cam/ram */
- p += sprintf(p, "%08x %08x %01x\n", cr->cam, cr->ram,
- (cr->cam & MMU_CAM_P) ? 1 : 0);
-
- return p - buf;
-}
-
-/**
- * omap_dump_tlb_entries - dump cr arrays to given buffer
- * @obj: target iommu
- * @buf: output buffer
- **/
-size_t omap_dump_tlb_entries(struct omap_iommu *obj, char *buf, ssize_t bytes)
-{
- int i, num;
- struct cr_regs *cr;
- char *p = buf;
-
- num = bytes / sizeof(*cr);
- num = min(obj->nr_tlb_entries, num);
-
- cr = kcalloc(num, sizeof(*cr), GFP_KERNEL);
- if (!cr)
- return 0;
-
- num = __dump_tlb_entries(obj, cr, num);
- for (i = 0; i < num; i++)
- p += iotlb_dump_cr(obj, cr + i, p);
- kfree(cr);
-
- return p - buf;
-}
-
-#endif /* CONFIG_OMAP_IOMMU_DEBUG */
-