Debugging dtoc?

[Tom Rini]

So, I'm trying to fix the problem on am335x_evm (and some family
configs) with needing SPL_OF_CONTROL enabled.  This is mostly fine just
enabling the option, except on am335x_evm itself, which is the
kitchen-sink config and overflows memory.  I've gone with switching to
SPL_OF_PLATDATA there as am335x in general has all of the U_BOOT_DRVINFO
entries it needs I believe.  But, with the following patch:

diff --git a/arch/arm/dts/am335x-evm-u-boot.dtsi b/arch/arm/dts/am335x-evm-u-boot.dtsi
index 4cf5f9928d58..514f682cac99 100644
--- a/arch/arm/dts/am335x-evm-u-boot.dtsi
+++ b/arch/arm/dts/am335x-evm-u-boot.dtsi
@@ -8,6 +8,7 @@
 &l4_per {
 
 	segment at 300000 {
+		u-boot,dm-pre-reloc;
 
 		target-module at e000 {
 			u-boot,dm-pre-reloc;
diff --git a/configs/am335x_boneblack_vboot_defconfig b/configs/am335x_boneblack_vboot_defconfig
index a0baeec79edd..ffeefd1a0087 100644
--- a/configs/am335x_boneblack_vboot_defconfig
+++ b/configs/am335x_boneblack_vboot_defconfig
@@ -31,6 +31,7 @@ CONFIG_CMD_SPL=y
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_BOOTP_DNS2=y
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_ENV_IS_IN_MMC=y
 CONFIG_SYS_REDUNDAND_ENVIRONMENT=y
diff --git a/configs/am335x_evm_defconfig b/configs/am335x_evm_defconfig
index a33efff42a74..f35b2a02f56b 100644
--- a/configs/am335x_evm_defconfig
+++ b/configs/am335x_evm_defconfig
@@ -37,13 +37,16 @@ CONFIG_MTDIDS_DEFAULT="nand0=nand.0"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=nand.0:128k(NAND.SPL),128k(NAND.SPL.backup1),128k(NAND.SPL.backup2),128k(NAND.SPL.backup3),256k(NAND.u-boot-spl-os),1m(NAND.u-boot),128k(NAND.u-boot-env),128k(NAND.u-boot-env.backup1),8m(NAND.kernel),-(NAND.file-system)"
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIST="am335x-evm am335x-bone am335x-boneblack am335x-evmsk am335x-bonegreen am335x-icev2 am335x-pocketbeagle"
+CONFIG_SPL_OF_PLATDATA=y
 CONFIG_ENV_OVERWRITE=y
 CONFIG_SYS_RELOC_GD_ENV_ADDR=y
 CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
 CONFIG_SPL_ENV_IS_NOWHERE=y
 CONFIG_VERSION_VARIABLE=y
 CONFIG_BOOTP_SEND_HOSTNAME=y
+# CONFIG_SPL_SIMPLE_BUS is not set
 CONFIG_BOOTCOUNT_LIMIT=y
 CONFIG_CLK=y
 CONFIG_CLK_CDCE9XX=y
diff --git a/configs/am335x_evm_spiboot_defconfig b/configs/am335x_evm_spiboot_defconfig
index 8f0c330674a9..4a2a56a9af9e 100644
--- a/configs/am335x_evm_spiboot_defconfig
+++ b/configs/am335x_evm_spiboot_defconfig
@@ -32,6 +32,7 @@ CONFIG_BOOTP_DNS2=y
 CONFIG_CMD_MTDPARTS=y
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
 CONFIG_OF_LIST="am335x-evm am335x-bone am335x-boneblack am335x-evmsk am335x-bonegreen am335x-icev2 am335x-pocketbeagle"
 CONFIG_ENV_OVERWRITE=y
 # CONFIG_ENV_IS_IN_FAT is not set

I get the following failure and I don't see how to debug this:
  DTOC    spl/dts/dt-plat.c
Traceback (most recent call last):
  File "./tools/dtoc/dtoc", line 115, in <module>
    args.phase, instantiate=args.instantiate)
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/dtb_platdata.py", line 1223, in run_steps
    outfile.method(plat)
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/dtb_platdata.py", line 1081, in generate_plat
    self.output_node_plat(node)
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/dtb_platdata.py", line 1023, in output_node_plat
    self._output_values(node)
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/dtb_platdata.py", line 812, in _output_values
    self._output_prop(node, node.props[pname])
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/dtb_platdata.py", line 798, in _output_prop
    self._output_list(node, prop)
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/dtb_platdata.py", line 628, in _output_list
    vals.append(get_value(prop.type, val))
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/dtb_platdata.py", line 126, in get_value
    val = '%#x' % fdt_util.fdt32_to_cpu(value)
  File "/home/trini/work/u-boot/u-boot/tools/dtoc/../dtoc/fdt_util.py", line 28, in fdt32_to_cpu
    return struct.unpack('>I', val)[0]
TypeError: a bytes-like object is required, not 'bool'
scripts/Makefile.spl:352: recipe for target 'spl/dts/dt-plat.c' failed
make[1]: *** [spl/dts/dt-plat.c] Error 1
make[1]: *** Deleting file 'spl/dts/dt-plat.c'
Makefile:1999: recipe for target 'spl/u-boot-spl' failed
make: *** [spl/u-boot-spl] Error 2

-- 
Tom
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