Blackfin: initial XIP support
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 282a791..bfe75af 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -56,6 +56,15 @@
i_tbl[i_i++].data = SDRAM_IGENERIC | PAGE_SIZE_4MB;
}
+#ifdef CONFIG_ROMKERNEL
+ /* Cover kernel XIP flash area */
+ addr = CONFIG_ROM_BASE & ~(4 * 1024 * 1024 - 1);
+ d_tbl[i_d].addr = addr;
+ d_tbl[i_d++].data = SDRAM_DGENERIC | PAGE_SIZE_4MB;
+ i_tbl[i_i].addr = addr;
+ i_tbl[i_i++].data = SDRAM_IGENERIC | PAGE_SIZE_4MB;
+#endif
+
/* Cover L1 memory. One 4M area for code and data each is enough. */
if (cpu == 0) {
if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {