configs: rpi: set NR_DRAM_BANKS to four

With the new RPi4 which has 8 GB of RAM, we can have up to four DRAM
banks. Bump up the configuration files to detect all the memory in
U-Boot.

Signed-off-by: Matthias Brugger <mbrugger@suse.com>
[sw0312.kim: cherry-pick mainline commit a61cf765f7e3 to support rpi4 8GB dram]
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Change-Id: I7d47e4ae3b70166cde96bc0c86011a8ff4f54262

diff --git a/configs/rpi_4_32b_defconfig b/configs/rpi_4_32b_defconfig
index 0fce184..7127c0f 100644 (file)
--- a/configs/rpi_4_32b_defconfig
+++ b/configs/rpi_4_32b_defconfig
@@ -3,7 +3,7 @@ CONFIG_ARCH_BCM283X=y
 CONFIG_SYS_TEXT_BASE=0x00008000
 CONFIG_TARGET_RPI_4_32B=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
-CONFIG_NR_DRAM_BANKS=2
+CONFIG_NR_DRAM_BANKS=4
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_USE_PREBOOT=y

diff --git a/configs/rpi_4_defconfig b/configs/rpi_4_defconfig
index fefdf8d..163d661 100644 (file)
--- a/configs/rpi_4_defconfig
+++ b/configs/rpi_4_defconfig
@@ -3,7 +3,7 @@ CONFIG_ARCH_BCM283X=y
 CONFIG_SYS_TEXT_BASE=0x00080000
 CONFIG_TARGET_RPI_4=y
 CONFIG_SYS_MALLOC_F_LEN=0x2000
-CONFIG_NR_DRAM_BANKS=2
+CONFIG_NR_DRAM_BANKS=4
 CONFIG_DISTRO_DEFAULTS=y
 CONFIG_OF_BOARD_SETUP=y
 CONFIG_USE_PREBOOT=y