config: add configuration for loading images with MMU/Cache enabled

Enable this feature by config MMU and CACHES to y (default n)

Signed-off-by: Tony Han <[email protected]>

Author: TonyHan11

Makefile

@@ -178,6 +178,10 @@ TOP_OF_MEMORY:=$(strip $(subst ",,$(CONFIG_TOP_OF_MEMORY)))
 # CRYSTAL is UNUSED
 CRYSTAL:=$(strip $(subst ",,$(CONFIG_CRYSTAL)))
 
+ifeq ($(CONFIG_MMU), y)
+MMU_TABLE_BASE_ADDR := $(strip $(subst ",,$(CONFIG_MMU_TABLE_BASE_ADDR)))
+endif
+
 # driver definitions
 SPI_CLK:=$(strip $(subst ",,$(CONFIG_SPI_CLK)))
 SPI_BOOT:=$(strip $(subst ",,$(CONFIG_SPI_BOOT)))

driver/Config.in.driver

@@ -123,4 +123,20 @@ config CPU_HAS_DWDT
 	default n
 
 source "driver/Config.in.memory"
+
+config MMU
+	bool "Load software with MMU enabled"
+	depends on LOAD_SW && (SAM9X60 || SAMA5D2 || SAMA5D3X || SAMA5D4)
+	default n
+
+config MMU_TABLE_BASE_ADDR
+	string "Base address (16KB aligned) for MMU Translation Table, occupies 16K bytes memory"
+	depends on MMU
+	default "0x20000000"
+
+config CACHES
+	bool "Load software with caches enabled"
+	depends on MMU
+	default n
+
 source "driver/Config.in.nvm"

driver/driver.mk

@@ -108,3 +108,6 @@ COBJS-$(CONFIG_REDIRECT_ALL_INTS_AIC)	+= $(DRIVERS_SRC)/at91_aicredir.o
 COBJS-$(CONFIG_FLEXCOM)     += $(DRIVERS_SRC)/at91_flexcom.o
 
 COBJS-$(CONFIG_SFRBU)		+= $(DRIVERS_SRC)/sfrbu.o
+
+COBJS-$(CONFIG_CACHES)		+= $(DRIVERS_SRC)/l1cache.o
+COBJS-$(CONFIG_MMU)		+= $(DRIVERS_SRC)/mmu.o

toplevel_cpp.mk

@@ -5,6 +5,7 @@
 CPPFLAGS += \
 	-DIMG_ADDRESS=$(IMG_ADDRESS)	\
 	-DIMG_SIZE=$(IMG_SIZE)		\
+	-DMMU_TABLE_BASE_ADDR=$(MMU_TABLE_BASE_ADDR)	\
 	-DJUMP_ADDR=$(JUMP_ADDR)	\
 	-DOF_OFFSET=$(OF_OFFSET)	\
 	-DOF_ADDRESS=$(OF_ADDRESS)	\