arm: zynq: Rework FPGA initialization

[u-boot] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 5ff6809e94cad5733ac7e31fe18fbf602acab89d..a7618f9ff226c1f9987314097e2ff9178cbd7899 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -74,12 +74,28 @@ config ARM_ASM_UNIFIED
 config THUMB2_KERNEL
        bool
 
+config SYS_ARM_CACHE_CP15
+       bool "CP15 based cache enabling support"
+       help
+         Select this if your processor suports enabling caches by using
+         CP15 registers.
+
 config SYS_ARM_MMU
        bool "MMU-based Paged Memory Management Support"
+       select SYS_ARM_CACHE_CP15
        help
          Select if you want MMU-based virtualised addressing space
          support by paged memory management.
 
+config SYS_ARM_MPU
+       bool 'Use the ARM v7 PMSA Compliant MPU'
+       help
+         Some ARM systems without an MMU have instead a Memory Protection
+         Unit (MPU) that defines the type and permissions for regions of
+         memory.
+         If your CPU has an MPU then you should choose 'y' here unless you
+         know that you do not want to use the MPU.
+
 # If set, the workarounds for these ARM errata are applied early during U-Boot
 # startup. Note that in general these options force the workarounds to be
 # applied; no CPU-type/version detection exists, unlike the similar options in
@@ -204,6 +220,14 @@ config CPU_V7M
        select HAS_THUMB2
        select THUMB2_KERNEL
        select SYS_CACHE_SHIFT_5
+       select SYS_ARM_MPU
+
+config CPU_V7R
+       bool
+       select HAS_THUMB2
+       select SYS_CACHE_SHIFT_6
+       select SYS_ARM_MPU
+       select SYS_ARM_CACHE_CP15
 
 config CPU_PXA
        bool
@@ -223,6 +247,7 @@ config SYS_CPU
        default "arm1136" if CPU_ARM1136
        default "arm1176" if CPU_ARM1176
        default "armv7" if CPU_V7A
+       default "armv7" if CPU_V7R
        default "armv7m" if CPU_V7M
        default "pxa" if CPU_PXA
        default "sa1100" if CPU_SA1100
@@ -238,6 +263,7 @@ config SYS_ARM_ARCH
        default 6 if CPU_ARM1176
        default 7 if CPU_V7A
        default 7 if CPU_V7M
+       default 7 if CPU_V7R
        default 5 if CPU_PXA
        default 4 if CPU_SA1100
        default 8 if ARM64
@@ -795,6 +821,7 @@ config ARCH_ZYNQ
        imply CMD_CLK
        imply FAT_WRITE
        imply CMD_SPL
+       imply ARCH_EARLY_INIT_R
 
 config ARCH_ZYNQMP
        bool "Xilinx ZynqMP based platform"