+void print_laws(void)
+{
+ volatile u32 *base = (volatile u32 *)(CFG_IMMR + 0xc08);
+ volatile u32 *lawbar = base;
+ volatile u32 *lawar = base + 2;
+ int i;
+
+ printf("\nLocal Access Window Configuration\n");
+ for(i = 0; i < FSL_HW_NUM_LAWS; i++) {
+ printf("\tLAWBAR%d : 0x%08x, LAWAR%d : 0x%08x\n",
+ i, in_be32(lawbar), i, in_be32(lawar));
+ lawbar += 8;
+ lawar += 8;
+ }
+
+ return;
+}
+
+/* use up to 2 LAWs for DDR, used the last available LAWs */
+int set_ddr_laws(u64 start, u64 sz, enum law_trgt_if id)
+{
+ u64 start_align, law_sz;
+ int law_sz_enc;
+
+ if (start == 0)
+ start_align = 1ull << (LAW_SIZE_32G + 1);
+ else
+ start_align = 1ull << (ffs64(start) - 1);
+ law_sz = min(start_align, sz);
+ law_sz_enc = __ilog2_u64(law_sz) - 1;
+
+ if (set_last_law(start, law_sz_enc, id) < 0)
+ return -1;
+
+ /* do we still have anything to map */
+ sz = sz - law_sz;
+ if (sz) {
+ start += law_sz;
+
+ start_align = 1ull << (ffs64(start) - 1);
+ law_sz = min(start_align, sz);
+ law_sz_enc = __ilog2_u64(law_sz) - 1;
+
+ if (set_last_law(start, law_sz_enc, id) < 0)
+ return -1;
+ } else {
+ return 0;
+ }
+
+ /* do we still have anything to map */
+ sz = sz - law_sz;
+ if (sz)
+ return 1;
+
+ return 0;
+}
+