NAND support for zylonite board + some minor cleanup.
diff --git a/board/zylonite/lowlevel_init.S b/board/zylonite/lowlevel_init.S
index c3bb4eb..da01765 100644
--- a/board/zylonite/lowlevel_init.S
+++ b/board/zylonite/lowlevel_init.S
@@ -235,6 +235,7 @@
orr r1, r1, #0x40000000 @ enable SDRAM for Normal Access
str r1, [r0]
+#ifndef CFG_SKIP_DRAM_SCRUB
/* scrub/init SDRAM if enabled/present */
/* ldr r11, =0xa0000000 /\* base address of SDRAM (CFG_DRAM_BASE) *\/ */
/* ldr r12, =0x04000000 /\* size of memory to scrub (CFG_DRAM_SIZE) *\/ */
@@ -254,6 +255,7 @@
stmia r8!, {r0-r7}
beq 15f
b 10b
+#endif /* CFG_SKIP_DRAM_SCRUB */
15:
/* Mask all interrupts */