The P2020rdb defconfig has been updated to include
device tree, environment and boot command support for
booting Linux.
Also the P2020RDB board support defines a flash area to
store its environment for users to configure the boot process.
Signed-off-by: Renaud Barbier <renaud.barbier@xxxxxx>
---
arch/ppc/boards/freescale-p2020rdb/env/bin/init | 3 +++
arch/ppc/boards/freescale-p2020rdb/env/config | 2 ++
arch/ppc/boards/freescale-p2020rdb/p2020rdb.c | 7 +++++++
arch/ppc/configs/p2020rdb_defconfig | 14 +++++++++++++-
4 files changed, 25 insertions(+), 1 deletions(-)
create mode 100644 arch/ppc/boards/freescale-p2020rdb/env/bin/init
create mode 100644 arch/ppc/boards/freescale-p2020rdb/env/config
diff --git a/arch/ppc/boards/freescale-p2020rdb/env/bin/init b/arch/ppc/boards/freescale-p2020rdb/env/bin/init
new file mode 100644
index 0000000..6bd125c
--- /dev/null
+++ b/arch/ppc/boards/freescale-p2020rdb/env/bin/init
@@ -0,0 +1,3 @@
+#!/bin/sh
+export PATH=/env/bin
+source /env/config
diff --git a/arch/ppc/boards/freescale-p2020rdb/env/config b/arch/ppc/boards/freescale-p2020rdb/env/config
new file mode 100644
index 0000000..26b1a9a
--- /dev/null
+++ b/arch/ppc/boards/freescale-p2020rdb/env/config
@@ -0,0 +1,2 @@
+#!/bin/sh
+export bootargs="root=/dev/nfs rw ip=bootp panic=10"
diff --git a/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c b/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
index 4d2ff22..bc36b28 100644
--- a/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
+++ b/arch/ppc/boards/freescale-p2020rdb/p2020rdb.c
@@ -92,6 +92,13 @@ static int devices_init(void)
fsl_eth_init(2, &gfar_info[0]);
fsl_eth_init(3, &gfar_info[1]);
+ /* The env0 offset 0x770000 is from the base address of the alternate
+ * boot area where barebox boots from. Programming barebox in the
+ * primary boot area in place of U-Boot may lead to loss of data when
+ * saving the environment.
+ */
+ devfs_add_partition("nor0", 0x770000, 0x10000, DEVFS_PARTITION_FIXED,
+ "env0");
devfs_add_partition("nor0", 0xf80000, 0x80000, DEVFS_PARTITION_FIXED,
"self0");
return 0;
diff --git a/arch/ppc/configs/p2020rdb_defconfig b/arch/ppc/configs/p2020rdb_defconfig
index 0f77903..8907511 100644
--- a/arch/ppc/configs/p2020rdb_defconfig
+++ b/arch/ppc/configs/p2020rdb_defconfig
@@ -5,10 +5,18 @@ CONFIG_LONGHELP=y
CONFIG_GLOB=y
CONFIG_CMDLINE_EDITING=y
CONFIG_AUTO_COMPLETE=y
+CONFIG_CMD_PARTITION=y
CONFIG_CMD_SLEEP=y
CONFIG_CMD_FLASH=y
CONFIG_CMD_RESET=y
CONFIG_CMD_GO=y
+CONFIG_DEFAULT_ENVIRONMENT_GENERIC=n
+CONFIG_DEFAULT_ENVIRONMENT_PATH="arch/ppc/boards/freescale-p2020rdb/env"
+CONFIG_CMD_LOADENV=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_PRINTENV=y
+CONFIG_CMD_EXPORT=y
+CONFIG_CMD_EDIT=y
CONFIG_FSL_ELBC=y
CONFIG_DRIVER_CFI=y
CONFIG_DRIVER_CFI_AMD=y
@@ -17,7 +25,7 @@ CONFIG_DRIVER_CFI_BANK_WIDTH_1=n
CONFIG_DRIVER_CFI_BANK_WIDTH_2=y
CONFIG_DRIVER_CFI_BANK_WIDTH_4=n
CONFIG_MTD=y
-CONFIG_MALLOC_SIZE=0x200000
+CONFIG_MALLOC_SIZE=0x800000
CONFIG_BAUDRATE=115200
CONFIG_DRIVER_SERIAL_NS16550=y
CONFIG_RELOCATABLE=y
@@ -32,3 +40,7 @@ CONFIG_I2C=y
CONFIG_I2C_IMX=y
CONFIG_CMD_I2C=y
CONFIG_CMD_MIITOOL=y
+CONFIG_ZLIB=y
+CONFIG_OFTREE=y
+CONFIG_CMD_OFTREE=y
+CONFIG_OFDEVICE=y
--
1.7.1
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