arm/km: add support for km_kirkwood_128m16 board

The board is similar to the standard km_kirkwood board. From a
u-boot point of view, the only difference is an increased
256 MiB DRAM (128M16). A board based on this design is for
example the SUP12.
Signed-off-by: NKarlheinz Jerg <karlheinz.jerg@keymile.com>
Signed-off-by: NHolger Brunck <holger.brunck@keymile.com>

boards.cfg

@@ -171,6 +171,7 @@ Active  arm         arm926ejs      kirkwood    iomega          -
 Active  arm         arm926ejs      kirkwood    karo            tk71                tk71                                 -                                                                                                                                 -
 Active  arm         arm926ejs      kirkwood    keymile         km_arm              km_kirkwood                          km_kirkwood:KM_KIRKWOOD                                                                                                           Valentin Longchamp <valentin.longchamp@keymile.com>
 Active  arm         arm926ejs      kirkwood    keymile         km_arm              km_kirkwood_pci                      km_kirkwood:KM_KIRKWOOD_PCI                                                                                                       Valentin Longchamp <valentin.longchamp@keymile.com>
+Active  arm         arm926ejs      kirkwood    keymile         km_arm              km_kirkwood_128m16                   km_kirkwood:KM_KIRKWOOD_128M16                                                                                                    Valentin Longchamp <valentin.longchamp@keymile.com>
 Active  arm         arm926ejs      kirkwood    keymile         km_arm              kmcoge5un                            km_kirkwood:KM_COGE5UN                                                                                                            Valentin Longchamp <valentin.longchamp@keymile.com>
 Active  arm         arm926ejs      kirkwood    keymile         km_arm              kmnusa                               km_kirkwood:KM_NUSA                                                                                                               Valentin Longchamp <valentin.longchamp@keymile.com>
 Active  arm         arm926ejs      kirkwood    keymile         km_arm              kmsuv31                              km_kirkwood:KM_SUV31                                                                                                              Valentin Longchamp <valentin.longchamp@keymile.com>

include/configs/km_kirkwood.h

@@ -35,6 +35,16 @@
 #define CONFIG_KM_IVM_BUS		1	/* I2C2 (Mux-Port 1)*/
 #define CONFIG_KM_FPGA_CONFIG
 
+/* KM_KIRKWOOD_128M16 */
+#elif defined(CONFIG_KM_KIRKWOOD_128M16)
+#define CONFIG_IDENT_STRING		"\nKeymile Kirkwood 128M16"
+#define CONFIG_HOSTNAME			km_kirkwood_128m16
+#undef CONFIG_SYS_KWD_CONFIG
+#define CONFIG_SYS_KWD_CONFIG \
+		$(SRCTREE)/$(CONFIG_BOARDDIR)/kwbimage_128M16_1.cfg
+#define CONFIG_KM_DISABLE_PCIE
+#define KM_IVM_BUS			"pca9544a:70:9"	/* I2C2 (Mux-Port 1)*/
+
 /* KM_NUSA */
 #elif defined(CONFIG_KM_NUSA)
 #define CONFIG_KM_IVM_BUS		1	/* I2C2 (Mux-Port 1)*/