board: axs10x - support v3 mother-board
There're 2 versions of motherboards that could be used in ARC SDP.
The only important difference for U-Boot is different NAND IC in use:
[1] v2 board (we used to support up until now) sports MT29F4G08ABADAWP
while
[2] v3 board sports MT29F4G16ABADAWP
They are almost the same except data bus width 8-bit in [1] and 16-bit
in [2]. And for proper support of 16-bit data bus we have to pass
NAND_BUSWIDTH_16 option to NAND driver core - which we do now knowing
board type we're running on.
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
diff --git a/board/synopsys/axs101/nand.c b/board/synopsys/axs101/nand.c
index ff35286..4be52e2 100644
--- a/board/synopsys/axs101/nand.c
+++ b/board/synopsys/axs101/nand.c
@@ -9,6 +9,9 @@
#include <malloc.h>
#include <nand.h>
#include <asm/io.h>
+#include "axs10x.h"
+
+DECLARE_GLOBAL_DATA_PTR;
#define BUS_WIDTH 8 /* AXI data bus width in bytes */
@@ -232,5 +235,9 @@
nand->write_buf = axs101_nand_write_buf;
nand->read_buf = axs101_nand_read_buf;
+ /* MBv3 has NAND IC with 16-bit data bus */
+ if (gd->board_type == AXS_MB_V3)
+ nand->options |= NAND_BUSWIDTH_16;
+
return 0;
}