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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>
This commit is contained in:
Siva Durga Prasad Paladugu 2017-07-13 19:01:10 +05:30 committed by Michal Simek
parent d863909f36
commit 189bec47ab
2 changed files with 14 additions and 0 deletions
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6
arch/arm/cpu/armv8/zynqmp/Kconfig
View File

@ -56,6 +56,12 @@ config ZYNQMP_USB
config SYS_MALLOC_F_LEN config SYS_MALLOC_F_LEN
default 0x600 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 config SPL_ZYNQMP_ALT_BOOTMODE_ENABLED
bool "Overwrite SPL bootmode" bool "Overwrite SPL bootmode"
depends on SPL depends on SPL

8
arch/arm/cpu/armv8/zynqmp/cpu.c
View File

@ -38,6 +38,14 @@ static struct mm_region zynqmp_mem_map[] = {
PTE_BLOCK_NON_SHARE | PTE_BLOCK_NON_SHARE |
PTE_BLOCK_PXN | PTE_BLOCK_UXN 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, .virt = 0x400000000UL,
.phys = 0x400000000UL, .phys = 0x400000000UL,
.size = 0x200000000UL, .size = 0x200000000UL,