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authorOtavio Salvador <otavio@ossystems.com.br>2013-08-23 14:48:58 (GMT)
committerRichard Purdie <richard.purdie@linuxfoundation.org>2013-09-06 22:15:57 (GMT)
commit82ddcb1ef56d364512515c347baa1c5bd74d483f (patch)
treebc43bef120d6f38587c160bd93ec855e0785c098 /meta/classes/uboot-config.bbclass
parente296958ab24b9c10d457ec93b5a28cc3414e0ef2 (diff)
downloadpoky-82ddcb1ef56d364512515c347baa1c5bd74d483f.tar.gz
uboot-config.bbclass: Allow choose of U-Boot config for machine
Some machines provide several possible configurations and until now there was no easy way for user to override the default setting. This class provides a system similar to PACKAGECONFIG but for U-Boot. The format is: UBOOT_CONFIG ??= <default> UBOOT_CONFIG[foo] = "config,images" There are two possible parameters: - config: it is used to set UBOOT_MACHINE - images: it is used to append onto IMAGE_FSTYPES Below there's an usage example: ,----[ i.MX6Q SABRE AUTO based example ] | UBOOT_CONFIG ??= "sd" | UBOOT_CONFIG[sd] = "mx6qsabreauto_config,sdcard" | UBOOT_CONFIG[eimnor] = "mx6qsabreauto_eimnor_config" | UBOOT_CONFIG[nand] = "mx6qsabreauto_nand_config,ubifs" | UBOOT_CONFIG[spinor] = "mx6qsabreauto_spinor_config" `---- User can, from local.conf or environment, use UBOOT_CONFIG=nand and override the default setting, as: ,----[ Override example from command line ] | MACHINE=imx6qsabreauto UBOOT_CONFIG=nand bitbake core-image-base `---- (From OE-Core rev: 5dba521611d644357cf0a98d2e30dcf41777c6ef) Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/classes/uboot-config.bbclass')
-rw-r--r--meta/classes/uboot-config.bbclass39
1 files changed, 39 insertions, 0 deletions
diff --git a/meta/classes/uboot-config.bbclass b/meta/classes/uboot-config.bbclass
new file mode 100644
index 0000000..fc37620
--- /dev/null
+++ b/meta/classes/uboot-config.bbclass
@@ -0,0 +1,39 @@
1# Allow easy override of U-Boot config for a machine
2#
3# The format to specify it, in the machine, is:
4#
5# UBOOT_CONFIG ??= <default>
6# UBOOT_CONFIG[foo] = "config,images"
7#
8# Copyright 2013 (C) O.S. Systems Software LTDA.
9
10addhandler uboot_config_eventhandler
11uboot_config_eventhandler[eventmask] = "bb.event.ConfigParsed"
12python uboot_config_eventhandler() {
13 ubootconfigflags = e.data.getVarFlags('UBOOT_CONFIG')
14 if not ubootconfigflags:
15 return
16
17 ubootconfig = (e.data.getVar('UBOOT_CONFIG', True) or "").split()
18 if len(ubootconfig) > 1:
19 raise bb.parse.SkipPackage('You can only have a single default for UBOOT_CONFIG.')
20 elif len(ubootconfig) == 0:
21 raise bb.parse.SkipPackage('You must set a default in UBOOT_CONFIG.')
22 ubootconfig = ubootconfig[0]
23
24 for f, v in ubootconfigflags.items():
25 if f == 'defaultval':
26 continue
27
28 items = v.split(',')
29 if items[0] and len(items) > 2:
30 raise bb.parse.SkipPackage('Only config,images can be specified!')
31
32 if ubootconfig == f:
33 bb.debug(1, "Setting UBOOT_MACHINE to %s." % items[0])
34 e.data.setVar('UBOOT_MACHINE', items[0])
35
36 if items[1]:
37 bb.debug(1, "Appending '%s' to IMAGE_FSTYPES." % items[1])
38 e.data.appendVar('IMAGE_FSTYPES', ' ' + items[1])
39}