[PATCH 06/10] arm: mvebu: clearfog: Add config for 2GB SOM

[Joel Johnson]

While 1GB SOM parts are much more common, provide a build config
option for supporting parts with 2GB.

Signed-off-by: Joel Johnson <mrjoel at lixil.net>
---

 board/solidrun/clearfog/Kconfig    | 6 ++++++
 board/solidrun/clearfog/clearfog.c | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/board/solidrun/clearfog/Kconfig b/board/solidrun/clearfog/Kconfig
index 53f01daf7a..fd880ee591 100644
--- a/board/solidrun/clearfog/Kconfig
+++ b/board/solidrun/clearfog/Kconfig
@@ -31,4 +31,10 @@ config CLEARFOG_SFP_25GB
 	 SGMII connection (requires a supporting SFP). By default, transfer speed
 	 of 1.25 Gbps is used, suitable for a more common 1 Gbps SFP module.
 
+config CLEARFOG_2GB_SOM
+	bool "Configure for a SOM with 2GB RAM"
+	help
+	 Enable support for the 2GB RAM SOM variant. If this option is not
+	 enabled then the more common 1GB version will be used.
+
 endmenu
diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c
index 247785ac56..38f411b942 100644
--- a/board/solidrun/clearfog/clearfog.c
+++ b/board/solidrun/clearfog/clearfog.c
@@ -67,11 +67,19 @@ static struct mv_ddr_topology_map board_topology_map = {
 	DEBUG_LEVEL_ERROR,
 	0x1, /* active interfaces */
 	/* cs_mask, mirror, dqs_swap, ck_swap X PUPs */
+#if defined (CONFIG_CLEARFOG_2GB_SOM)
+	{ { { {0x3, 0, 0, 0},
+	      {0x3, 0, 0, 0},
+	      {0x3, 0, 0, 0},
+	      {0x3, 0, 0, 0},
+	      {0x3, 0, 0, 0} },
+#else
 	{ { { {0x1, 0, 0, 0},
 	      {0x1, 0, 0, 0},
 	      {0x1, 0, 0, 0},
 	      {0x1, 0, 0, 0},
 	      {0x1, 0, 0, 0} },
+#endif
 	    SPEED_BIN_DDR_1600K,	/* speed_bin */
 	    MV_DDR_DEV_WIDTH_16BIT,	/* memory_width */
 	    MV_DDR_DIE_CAP_4GBIT,	/* mem_size */
-- 
2.20.1