spl: Allow remoteproc drivers to be used within SPL

Add an option for building remoteproc drivers within SPL.

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

common/spl/Kconfig

@@ -642,6 +642,12 @@ config SPL_RAM_DEVICE
 	  be already in memory when SPL takes over, e.g. loaded by the boot
 	  ROM.
 
+config SPL_REMOTEPROC
+	bool "Support REMOTEPROCS"
+	help
+	  Enable support for REMOTEPROCs in SPL. This permits to load
+	  a remote processor firmware in SPL.
+
 config SPL_RTC_SUPPORT
 	bool "Support RTC drivers"
 	help

drivers/Makefile

@@ -15,6 +15,7 @@ obj-$(CONFIG_$(SPL_TPL_)SPI_FLASH_SUPPORT) += mtd/spi/
 obj-$(CONFIG_$(SPL_TPL_)SPI_SUPPORT) += spi/
 obj-$(CONFIG_$(SPL_TPL_)TIMER) += timer/
 obj-$(CONFIG_$(SPL_)DM_MAILBOX) += mailbox/
+obj-$(CONFIG_$(SPL_)REMOTEPROC) += remoteproc/
 
 ifndef CONFIG_TPL_BUILD
 ifdef CONFIG_SPL_BUILD
@@ -102,7 +103,6 @@ obj-y += input/
 # SOC specific infrastructure drivers.
 obj-y += smem/
 obj-y += soc/
-obj-$(CONFIG_REMOTEPROC) += remoteproc/
 obj-y += thermal/
 obj-y += axi/
 

drivers/remoteproc/Makefile

@@ -4,7 +4,7 @@
 # Texas Instruments Incorporated - http://www.ti.com/
 #
 
-obj-$(CONFIG_REMOTEPROC) += rproc-uclass.o
+obj-$(CONFIG_$(SPL_)REMOTEPROC) += rproc-uclass.o
 
 # Remote proc drivers - Please keep this list alphabetically sorted.
 obj-$(CONFIG_K3_SYSTEM_CONTROLLER) += k3_system_controller.o