board: gateworks: venice: switch to 2-bank dram config

Switch to a 2-bank dram config to properly support 4GiB.

Signed-off-by: Tim Harvey <tharvey@gateworks.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>

board/gateworks/venice/venice.c

@@ -20,7 +20,7 @@ int board_phys_sdram_size(phys_size_t *size)
 	if (!size)
 		return -EINVAL;
 
-	*size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
+	*size = get_ram_size((void *)PHYS_SDRAM, (long)PHYS_SDRAM_SIZE + (long)PHYS_SDRAM_2_SIZE);
 
 	return 0;
 }

include/configs/imx8mm_venice.h

@@ -31,10 +31,11 @@
 #define CFG_SYS_INIT_RAM_ADDR        0x40000000
 #define CFG_SYS_INIT_RAM_SIZE        SZ_2M
 
+/* SDRAM configuration: 4GiB */
 #define CFG_SYS_SDRAM_BASE           0x40000000
-
-/* SDRAM configuration */
-#define PHYS_SDRAM                      0x40000000
-#define PHYS_SDRAM_SIZE			SZ_4G
+#define PHYS_SDRAM                   0x40000000
+#define PHYS_SDRAM_SIZE              0x80000000      /* 2 GB */
+#define PHYS_SDRAM_2                 0xC0000000
+#define PHYS_SDRAM_2_SIZE            0x80000000      /* 2 GB */
 
 #endif

include/configs/imx8mn_venice.h

@@ -25,10 +25,11 @@
 #define CFG_SYS_INIT_RAM_ADDR        0x40000000
 #define CFG_SYS_INIT_RAM_SIZE        SZ_2M
 
+/* SDRAM configuration: 4GiB */
 #define CFG_SYS_SDRAM_BASE           0x40000000
-
-/* SDRAM configuration */
-#define PHYS_SDRAM                      0x40000000
-#define PHYS_SDRAM_SIZE			SZ_4G
+#define PHYS_SDRAM                   0x40000000
+#define PHYS_SDRAM_SIZE              0x80000000      /* 2 GB */
+#define PHYS_SDRAM_2                 0xC0000000
+#define PHYS_SDRAM_2_SIZE            0x80000000      /* 2 GB */
 
 #endif

include/configs/imx8mp_venice.h

@@ -25,10 +25,11 @@
 #define CFG_SYS_INIT_RAM_ADDR        0x40000000
 #define CFG_SYS_INIT_RAM_SIZE        SZ_2M
 
+/* SDRAM configuration: 4GiB */
 #define CFG_SYS_SDRAM_BASE           0x40000000
-
-/* SDRAM configuration */
-#define PHYS_SDRAM                      0x40000000
-#define PHYS_SDRAM_SIZE			SZ_4G
+#define PHYS_SDRAM                   0x40000000
+#define PHYS_SDRAM_SIZE              0x80000000      /* 2 GB */
+#define PHYS_SDRAM_2                 0xC0000000
+#define PHYS_SDRAM_2_SIZE            0x80000000      /* 2 GB */
 
 #endif