On Wed, Jan 23, 2019 at 03:13:52PM -0600, Adam Ford wrote: > By removing EXT support from SPL, it makes room for the extra > overhead of enabling OF_CONTROL in SPL. With SPL_OF_CONTROL > enabled, extra options need to be added to the device tree to > tell it which portions of the tree are needed early in boot time > > Unfortunately, with these options as-is, the system doesn't boot > nor does it display anything on the UART. I don't have a debugger > readily available, but I have seen others with AM33x boards which > are similar to OMAP3 boards. This is posted as an RFC just in case > anyone has any suggestions on what might be missing. > > Signed-off-by: Adam Ford <aford...@gmail.com> >
Hmm. Here's what I have for omap3_beagle that has SPL booting, but
cannot boot its own full U-Boot. Mixing new SPL and old U-Boot does
work. There's probably something silly I didn't get right that's
causing that problem:
diff --git a/arch/arm/dts/omap3-beagle-u-boot.dtsi
b/arch/arm/dts/omap3-beagle-u-boot.dtsi
index 41beaf0900c3..2c03701c896a 100644
--- a/arch/arm/dts/omap3-beagle-u-boot.dtsi
+++ b/arch/arm/dts/omap3-beagle-u-boot.dtsi
@@ -5,20 +5,10 @@
* (C) Copyright 2017 Derald D. Woods <woods.techni...@gmail.com>
*/
+#include "omap3-u-boot.dtsi"
+
/ {
chosen {
stdout-path = &uart3;
};
};
-
-&uart1 {
- reg-shift = <2>;
-};
-
-&uart2 {
- reg-shift = <2>;
-};
-
-&uart3 {
- reg-shift = <2>;
-};
diff --git a/arch/arm/dts/omap3-beagle-xm-ab-u-boot.dtsi
b/arch/arm/dts/omap3-beagle-xm-ab-u-boot.dtsi
index 41beaf0900c3..2c03701c896a 100644
--- a/arch/arm/dts/omap3-beagle-xm-ab-u-boot.dtsi
+++ b/arch/arm/dts/omap3-beagle-xm-ab-u-boot.dtsi
@@ -5,20 +5,10 @@
* (C) Copyright 2017 Derald D. Woods <woods.techni...@gmail.com>
*/
+#include "omap3-u-boot.dtsi"
+
/ {
chosen {
stdout-path = &uart3;
};
};
-
-&uart1 {
- reg-shift = <2>;
-};
-
-&uart2 {
- reg-shift = <2>;
-};
-
-&uart3 {
- reg-shift = <2>;
-};
diff --git a/arch/arm/dts/omap3-beagle-xm-u-boot.dtsi
b/arch/arm/dts/omap3-beagle-xm-u-boot.dtsi
index 41beaf0900c3..2c03701c896a 100644
--- a/arch/arm/dts/omap3-beagle-xm-u-boot.dtsi
+++ b/arch/arm/dts/omap3-beagle-xm-u-boot.dtsi
@@ -5,20 +5,10 @@
* (C) Copyright 2017 Derald D. Woods <woods.techni...@gmail.com>
*/
+#include "omap3-u-boot.dtsi"
+
/ {
chosen {
stdout-path = &uart3;
};
};
-
-&uart1 {
- reg-shift = <2>;
-};
-
-&uart2 {
- reg-shift = <2>;
-};
-
-&uart3 {
- reg-shift = <2>;
-};
diff --git a/arch/arm/dts/omap3-evm-37xx-u-boot.dtsi
b/arch/arm/dts/omap3-evm-37xx-u-boot.dtsi
index de411316d83a..b9e433f873b7 100644
--- a/arch/arm/dts/omap3-evm-37xx-u-boot.dtsi
+++ b/arch/arm/dts/omap3-evm-37xx-u-boot.dtsi
@@ -5,20 +5,10 @@
* (C) Copyright 2017 Derald D. Woods <woods.techni...@gmail.com>
*/
+#include "omap3-u-boot.dtsi"
+
/ {
chosen {
stdout-path = &uart1;
};
};
-
-&uart1 {
- reg-shift = <2>;
-};
-
-&uart2 {
- reg-shift = <2>;
-};
-
-&uart3 {
- reg-shift = <2>;
-};
diff --git a/arch/arm/dts/omap3-evm-u-boot.dtsi
b/arch/arm/dts/omap3-evm-u-boot.dtsi
index de411316d83a..b9e433f873b7 100644
--- a/arch/arm/dts/omap3-evm-u-boot.dtsi
+++ b/arch/arm/dts/omap3-evm-u-boot.dtsi
@@ -5,20 +5,10 @@
* (C) Copyright 2017 Derald D. Woods <woods.techni...@gmail.com>
*/
+#include "omap3-u-boot.dtsi"
+
/ {
chosen {
stdout-path = &uart1;
};
};
-
-&uart1 {
- reg-shift = <2>;
-};
-
-&uart2 {
- reg-shift = <2>;
-};
-
-&uart3 {
- reg-shift = <2>;
-};
diff --git a/arch/arm/dts/omap3-u-boot.dtsi b/arch/arm/dts/omap3-u-boot.dtsi
new file mode 100644
index 000000000000..32bea6b6d9b8
--- /dev/null
+++ b/arch/arm/dts/omap3-u-boot.dtsi
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ * Based on "omap5-u-boot.dtsi"
+ */
+
+/{
+ ocp@68000000 {
+ u-boot,dm-spl;
+
+ bandgap@48002524 {
+ u-boot,dm-spl;
+ };
+ };
+};
+
+&uart1 {
+ u-boot,dm-spl;
+ reg-shift = <2>;
+};
+
+&uart2 {
+ u-boot,dm-spl;
+ reg-shift = <2>;
+};
+
+&uart3 {
+ u-boot,dm-spl;
+ reg-shift = <2>;
+};
+
+&mmc1 {
+ u-boot,dm-spl;
+};
+
+&mmc2 {
+ u-boot,dm-spl;
+};
+
+&l4_core {
+ u-boot,dm-spl;
+};
+
+&scm {
+ u-boot,dm-spl;
+};
+
+&scm_conf {
+ u-boot,dm-spl;
+};
+
+&gpio1 {
+ u-boot,dm-spl;
+};
+
+&gpio2 {
+ u-boot,dm-spl;
+};
+
+&gpio3 {
+ u-boot,dm-spl;
+};
+
+&gpio4 {
+ u-boot,dm-spl;
+};
+
+&gpio5 {
+ u-boot,dm-spl;
+};
+
+&gpio6 {
+ u-boot,dm-spl;
+};
+
+&i2c1 {
+ u-boot,dm-spl;
+};
diff --git a/configs/omap3_beagle_defconfig b/configs/omap3_beagle_defconfig
index 9581dd953730..54f999e1b0c7 100644
--- a/configs/omap3_beagle_defconfig
+++ b/configs/omap3_beagle_defconfig
@@ -1,4 +1,6 @@
CONFIG_ARM=y
+# CONFIG_SPL_USE_ARCH_MEMCPY is not set
+# CONFIG_SPL_USE_ARCH_MEMSET is not set
CONFIG_ARCH_OMAP2PLUS=y
CONFIG_SYS_TEXT_BASE=0x80100000
CONFIG_TARGET_OMAP3_BEAGLE=y
@@ -7,11 +9,12 @@ CONFIG_DISTRO_DEFAULTS=y
CONFIG_NR_DRAM_BANKS=2
CONFIG_BOOTCOMMAND="run findfdt; run distro_bootcmd"
CONFIG_SYS_CONSOLE_INFO_QUIET=y
-CONFIG_DEFAULT_FDT_FILE="omap3-beagle.dtb"
+CONFIG_DEFAULT_FDT_FILE="omap3-beagle-xm-ab.dtb"
CONFIG_VERSION_VARIABLE=y
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_SEPARATE_BSS=y
# CONFIG_SPL_EXT_SUPPORT is not set
CONFIG_SPL_MTD_SUPPORT=y
-CONFIG_SPL_OS_BOOT=y
CONFIG_SYS_PROMPT="BeagleBoard # "
CONFIG_CMD_SPL=y
CONFIG_CMD_SPL_NAND_OFS=0x280000
@@ -33,10 +36,18 @@ CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(spl),1920k(u-boot),128k(u-boot-env),128k(dtb),6m(kernel),-(rootfs)"
CONFIG_CMD_UBI=y
# CONFIG_ISO_PARTITION is not set
+# CONFIG_SPL_EFI_PARTITION is not set
+CONFIG_SPL_PARTITION_UUIDS=y
CONFIG_OF_CONTROL=y
-CONFIG_DEFAULT_DEVICE_TREE="omap3-beagle"
-CONFIG_ENV_IS_IN_NAND=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="omap3-beagle-xm-ab"
+CONFIG_OF_SPL_REMOVE_PROPS="clocks clock-names interrupt-parent"
+CONFIG_ENV_IS_IN_FAT=y
+CONFIG_ENV_FAT_INTERFACE="mmc"
+CONFIG_ENV_FAT_DEVICE_AND_PART="0:1"
CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_OF_TRANSLATE=y
CONFIG_USB_FUNCTION_FASTBOOT=y
CONFIG_FASTBOOT_BUF_ADDR=0x82000000
CONFIG_LED_STATUS=y
@@ -52,6 +63,7 @@ CONFIG_LED_STATUS_GREEN_ENABLE=y
CONFIG_LED_STATUS_GREEN=2
CONFIG_LED_STATUS_CMD=y
CONFIG_TWL4030_LED=y
+CONFIG_DM_MMC=y
CONFIG_MMC_OMAP_HS=y
CONFIG_NAND=y
CONFIG_SYS_NAND_BUSWIDTH_16BIT=y
@@ -76,6 +88,4 @@ CONFIG_USB_ETHER_ASIX=y
CONFIG_USB_ETHER_MCS7830=y
CONFIG_USB_ETHER_SMSC95XX=y
CONFIG_VIDEO_OMAP3=y
-CONFIG_FAT_WRITE=y
CONFIG_BCH=y
-CONFIG_SPL_OF_LIBFDT=y
--
Tom
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