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| author | Simon Glass <sjg@chromium.org> | 2015-02-05 21:41:36 -0700 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-02-12 10:35:33 -0700 |
| commit | 91a91ff804d50d7a4b7560d10fa6863fc4c04307 (patch) | |
| tree | 14dea1b2e33e7f7fa8afef744f91cea1712bb7d9 | |
| parent | f94a1bed07e2af1c46ddcf2046cddd979ebfd994 (diff) | |
| download | u-boot-imx-91a91ff804d50d7a4b7560d10fa6863fc4c04307.zip u-boot-imx-91a91ff804d50d7a4b7560d10fa6863fc4c04307.tar.gz u-boot-imx-91a91ff804d50d7a4b7560d10fa6863fc4c04307.tar.bz2 | |
dm: Add Kconfig options for driver model SPL support
The SPL support cannot be enabled yet, but we can add the Kconfig
options in preparation for this.
Signed-off-by: Simon Glass <sjg@chromium.org>
| -rw-r--r-- | drivers/core/Kconfig | 44 | ||||
| -rw-r--r-- | include/config_defaults.h | 6 |
2 files changed, 50 insertions, 0 deletions
diff --git a/drivers/core/Kconfig b/drivers/core/Kconfig index dc32385..f0d6110 100644 --- a/drivers/core/Kconfig +++ b/drivers/core/Kconfig @@ -6,3 +6,47 @@ config DM support, including scanning of platform data on start-up. If CONFIG_OF_CONTROL is enabled, the device tree will be scanned also when available. + +config SPL_DM + bool "Enable Driver Model for SPL" + depends on DM && SPL + help + Enable driver model in SPL. You will need to provide a + suitable malloc() implementation. If you are not using the + full malloc() enabled by CONFIG_SYS_SPL_MALLOC_START, + consider using CONFIG_SYS_MALLOC_SIMPLE. In that case you + must provide CONFIG_SYS_MALLOC_F_LEN to set the size. + In most cases driver model will only allocate a few uclasses + and devices in SPL, so 1KB should be enable. See + CONFIG_SYS_MALLOC_F_LEN for more details on how to enable it. + +config DM_WARN + bool "Enable warnings in driver model" + help + The dm_warn() function can use up quite a bit of space for its + strings. By default this is disabled for SPL builds to save space. + This will cause dm_warn() to be compiled out - it will do nothing + when called. + depends on DM + default y if !SPL_BUILD + default n if SPL_BUILD + +config DM_DEVICE_REMOVE + bool "Support device removal" + help + We can save some code space by dropping support for removing a + device. This is not normally required in SPL, so by default this + option is disabled for SPL. + depends on DM + default y if !SPL_BUILD + default n if SPL_BUILD + +config DM_STDIO + bool "Support stdio registration" + help + Normally serial drivers register with stdio so that they can be used + as normal output devices. In SPL we don't normally use stdio, so + we can omit this feature. + depends on DM + default y if !SPL_BUILD + default n if SPL_BUILD diff --git a/include/config_defaults.h b/include/config_defaults.h index 4d49315..fa99838 100644 --- a/include/config_defaults.h +++ b/include/config_defaults.h @@ -21,9 +21,15 @@ #define CONFIG_PARTITIONS 1 #ifndef CONFIG_SPL_BUILD +#ifndef CONFIG_DM_WARN #define CONFIG_DM_WARN +#endif +#ifndef CONFIG_DM_DEVICE_REMOVE #define CONFIG_DM_DEVICE_REMOVE +#endif +#ifndef CONFIG_DM_STDIO #define CONFIG_DM_STDIO #endif +#endif #endif |