arm64: zynqmp: Provide a Kconfig option to define OCM and TCM in MMU
This patch provides an option to include OCM and TCM memory
into MMU table with corresponding memory attributes.
Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig
index 5ac48eb..2a0e8f2 100644
--- a/arch/arm/cpu/armv8/zynqmp/Kconfig
+++ b/arch/arm/cpu/armv8/zynqmp/Kconfig
@@ -56,6 +56,12 @@
config SYS_MALLOC_F_LEN
default 0x600
+config DEFINE_TCM_OCM_MMAP
+ bool "Define TCM and OCM memory in MMU Table"
+ help
+ This option if enabled defines the TCM and OCM memory and its
+ memory attributes in MMU table entry.
+
config SPL_ZYNQMP_ALT_BOOTMODE_ENABLED
bool "Overwrite SPL bootmode"
depends on SPL
diff --git a/arch/arm/cpu/armv8/zynqmp/cpu.c b/arch/arm/cpu/armv8/zynqmp/cpu.c
index 94ecf90..5fba071 100644
--- a/arch/arm/cpu/armv8/zynqmp/cpu.c
+++ b/arch/arm/cpu/armv8/zynqmp/cpu.c
@@ -38,6 +38,14 @@
PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN
}, {
+#if defined(CONFIG_DEFINE_TCM_OCM_MMAP)
+ .virt = 0xffe00000UL,
+ .phys = 0xffe00000UL,
+ .size = 0x00200000UL,
+ .attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+ PTE_BLOCK_INNER_SHARE
+ }, {
+#endif
.virt = 0x400000000UL,
.phys = 0x400000000UL,
.size = 0x200000000UL,