diff mbox

[U-Boot,11/82] spl: Allow CPU drivers to be used in SPL

Message ID 1474860866-16406-12-git-send-email-sjg@chromium.org
State Accepted
Commit 5e148df95216c0ee2e349a1cfb5b171ecc58632c
Delegated to: Bin Meng
Headers show

Commit Message

Simon Glass Sept. 26, 2016, 3:33 a.m. UTC 
Add a new Kconfig option to allow CPU drivers to be used in SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>
---

 common/spl/Kconfig | 10 ++++++++++
 drivers/Makefile   |  1 +
 2 files changed, 11 insertions(+)
diff mbox

Patch

diff --git a/common/spl/Kconfig b/common/spl/Kconfig
index 84670b1..3c33c9e 100644
--- a/common/spl/Kconfig
+++ b/common/spl/Kconfig
@@ -123,6 +123,16 @@  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 ca98273..b4fd0c4 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/