[U-Boot] [PATCH v3 04/62] spl: Allow CPU drivers to be used in SPL
Simon Glass
sjg at chromium.org
Mon Jan 16 15:03:29 CET 2017
Add a new Kconfig option to allow CPU drivers to be used in SPL.
Signed-off-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---
Changes in v3: None
Changes in v2: None
common/spl/Kconfig | 10 ++++++++++
drivers/Makefile | 1 +
2 files changed, 11 insertions(+)
diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index b1aa1483c97..4c07f49dafa 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -150,6 +150,16 @@ config SPL_SHA256_SUPPORT
SHA256 variant is supported: SHA512 and others are not currently
supported in U-Boot.
+config SPL_CPU_SUPPORT
+ bool "Support CPU drivers"
+ depends on SPL
+ help
+ Enable this to support CPU drivers in SPL. These drivers can set
+ up CPUs and provide information about them such as the model and
+ name. This can be useful in SPL since setting up the CPUs earlier
+ may improve boot performance. Enable this option to build the
+ drivers in drivers/cpu as part of an SPL build.
+
config SPL_CRYPTO_SUPPORT
bool "Support crypto drivers"
depends on SPL
diff --git a/drivers/Makefile b/drivers/Makefile
index c19fa142f3a..4ced2bbb6c5 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_$(SPL_)RAM) += ram/
ifdef CONFIG_SPL_BUILD
+obj-$(CONFIG_SPL_CPU_SUPPORT) += cpu/
obj-$(CONFIG_SPL_CRYPTO_SUPPORT) += crypto/
obj-$(CONFIG_SPL_I2C_SUPPORT) += i2c/
obj-$(CONFIG_SPL_GPIO_SUPPORT) += gpio/
--
2.11.0.483.g087da7b7c-goog
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