diff --git a/configs/cortina_presidio-asic-bch16_defconfig b/configs/cortina_presidio-asic-bch16_defconfig
new file mode 100644
index 0000000..57ef98f
--- /dev/null
+++ b/configs/cortina_presidio-asic-bch16_defconfig
@@ -0,0 +1,35 @@
+CONFIG_ARM=y
+# CONFIG_SYS_ARCH_TIMER is not set
+CONFIG_TARGET_PRESIDIO_ASIC=y
+CONFIG_SYS_TEXT_BASE=0x04000000
+CONFIG_ENV_SIZE=0x20000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_DM_GPIO=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_IDENT_STRING="Presidio-SoC"
+CONFIG_SHOW_BOOT_PROGRESS=y
+CONFIG_BOOTDELAY=3
+CONFIG_BOARD_EARLY_INIT_R=y
+CONFIG_SYS_PROMPT="G3#"
+CONFIG_CMD_NAND=y
+CONFIG_CMD_WDT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_UBI=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_DEFAULT_DEVICE_TREE="ca-presidio-engboard"
+CONFIG_ENV_IS_IN_NAND=y
+# CONFIG_NET is not set
+CONFIG_DM=y
+CONFIG_CORTINA_GPIO=y
+# CONFIG_MMC is not set
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y
+CONFIG_NAND_CORTINA=y
+CONFIG_DM_SERIAL=y
+CONFIG_CORTINA_UART=y
+CONFIG_WDT=y
+CONFIG_WDT_CORTINA=y
diff --git a/configs/cortina_presidio-asic-bch24_defconfig b/configs/cortina_presidio-asic-bch24_defconfig
new file mode 100644
index 0000000..d22eae7
--- /dev/null
+++ b/configs/cortina_presidio-asic-bch24_defconfig
@@ -0,0 +1,36 @@
+CONFIG_ARM=y
+# CONFIG_SYS_ARCH_TIMER is not set
+CONFIG_TARGET_PRESIDIO_ASIC=y
+CONFIG_SYS_TEXT_BASE=0x04000000
+CONFIG_ENV_SIZE=0x20000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_DM_GPIO=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_IDENT_STRING="Presidio-SoC"
+CONFIG_SHOW_BOOT_PROGRESS=y
+CONFIG_BOOTDELAY=3
+CONFIG_BOARD_EARLY_INIT_R=y
+CONFIG_SYS_PROMPT="G3#"
+CONFIG_CMD_NAND=y
+CONFIG_CMD_WDT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_UBI=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_DEFAULT_DEVICE_TREE="ca-presidio-engboard"
+CONFIG_ENV_IS_IN_NAND=y
+# CONFIG_NET is not set
+CONFIG_DM=y
+CONFIG_CORTINA_GPIO=y
+# CONFIG_MMC is not set
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y
+CONFIG_NAND_CORTINA=y
+CONFIG_NAND_CORTINA_ECC_LEVEL=4
+CONFIG_DM_SERIAL=y
+CONFIG_CORTINA_UART=y
+CONFIG_WDT=y
+CONFIG_WDT_CORTINA=y
diff --git a/configs/cortina_presidio-asic-bch40_defconfig b/configs/cortina_presidio-asic-bch40_defconfig
new file mode 100644
index 0000000..3c39415
--- /dev/null
+++ b/configs/cortina_presidio-asic-bch40_defconfig
@@ -0,0 +1,36 @@
+CONFIG_ARM=y
+# CONFIG_SYS_ARCH_TIMER is not set
+CONFIG_TARGET_PRESIDIO_ASIC=y
+CONFIG_SYS_TEXT_BASE=0x04000000
+CONFIG_ENV_SIZE=0x20000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_DM_GPIO=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_IDENT_STRING="Presidio-SoC"
+CONFIG_SHOW_BOOT_PROGRESS=y
+CONFIG_BOOTDELAY=3
+CONFIG_BOARD_EARLY_INIT_R=y
+CONFIG_SYS_PROMPT="G3#"
+CONFIG_CMD_NAND=y
+CONFIG_CMD_WDT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_UBI=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_DEFAULT_DEVICE_TREE="ca-presidio-engboard"
+CONFIG_ENV_IS_IN_NAND=y
+# CONFIG_NET is not set
+CONFIG_DM=y
+CONFIG_CORTINA_GPIO=y
+# CONFIG_MMC is not set
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y
+CONFIG_NAND_CORTINA=y
+CONFIG_NAND_CORTINA_ECC_LEVEL=5
+CONFIG_DM_SERIAL=y
+CONFIG_CORTINA_UART=y
+CONFIG_WDT=y
+CONFIG_WDT_CORTINA=y
diff --git a/configs/cortina_presidio-asic-bch8_defconfig b/configs/cortina_presidio-asic-bch8_defconfig
new file mode 100644
index 0000000..8cda753
--- /dev/null
+++ b/configs/cortina_presidio-asic-bch8_defconfig
@@ -0,0 +1,36 @@
+CONFIG_ARM=y
+# CONFIG_SYS_ARCH_TIMER is not set
+CONFIG_TARGET_PRESIDIO_ASIC=y
+CONFIG_SYS_TEXT_BASE=0x04000000
+CONFIG_ENV_SIZE=0x20000
+CONFIG_ENV_OFFSET=0x400000
+CONFIG_DM_GPIO=y
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_IDENT_STRING="Presidio-SoC"
+CONFIG_SHOW_BOOT_PROGRESS=y
+CONFIG_BOOTDELAY=3
+CONFIG_BOARD_EARLY_INIT_R=y
+CONFIG_SYS_PROMPT="G3#"
+CONFIG_CMD_NAND=y
+CONFIG_CMD_WDT=y
+CONFIG_CMD_CACHE=y
+CONFIG_CMD_TIMER=y
+CONFIG_CMD_SMC=y
+CONFIG_CMD_MTDPARTS=y
+CONFIG_CMD_UBI=y
+CONFIG_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_DEFAULT_DEVICE_TREE="ca-presidio-engboard"
+CONFIG_ENV_IS_IN_NAND=y
+# CONFIG_NET is not set
+CONFIG_DM=y
+CONFIG_CORTINA_GPIO=y
+# CONFIG_MMC is not set
+CONFIG_MTD=y
+CONFIG_MTD_RAW_NAND=y
+CONFIG_NAND_CORTINA=y
+CONFIG_NAND_CORTINA_ECC_LEVEL=2
+CONFIG_DM_SERIAL=y
+CONFIG_CORTINA_UART=y
+CONFIG_WDT=y
+CONFIG_WDT_CORTINA=y
diff --git a/include/configs/presidio_asic.h b/include/configs/presidio_asic.h
index 023092e..096aa07 100644
--- a/include/configs/presidio_asic.h
+++ b/include/configs/presidio_asic.h
@@ -36,6 +36,8 @@
 
 #define CONFIG_SYS_TIMER_BASE		0xf4321000
 
+#define GLOBAL_SOFTWARE2		0xf43200c4
+
 /* Use external clock source */
 #define PRESIDIO_APB_CLK		125000000
 #define CORTINA_PER_IO_FREQ		PRESIDIO_APB_CLK
@@ -72,4 +74,17 @@
 #define CONFIG_SYS_MAXARGS		64
 #define CONFIG_EXTRA_ENV_SETTINGS	"silent=y\0"
 
+/* Macros for Flash */
+#define CORTINA_FLASH_CTRL_BASE	  	0xf4324000
+#define CORTINA_DMA_GLB_BASE		0xf7001000
+#define CORTINA_DMA_SSP_BASE		0xf7001a00
+#define CONFIG_SYS_FLASH_BASE		0xe0000000
+
+#ifdef CONFIG_NAND_CORTINA
+	#define CONFIG_SYS_MAX_NAND_DEVICE	1
+	#define CONFIG_SYS_NAND_MAX_CHIPS	1
+	#define CONFIG_SYS_NAND_BASE		CONFIG_SYS_FLASH_BASE
+	#define CONFIG_SYS_NAND_BASE_LIST	{ CONFIG_SYS_NAND_BASE }
+#endif
+
 #endif /* __PRESIDIO_ASIC_H */
