diff options
| author | Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com> | 2017-07-13 19:01:10 +0530 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2017-08-02 09:11:52 +0200 |
| commit | 189bec47ab1ff1b4bec6060f199f11dab9cd7b2d (patch) | |
| tree | baa5e03ff34a9961b621d19ba87ef66cde5d92c5 /arch/arm/cpu/armv8 | |
| parent | d863909f36cbe001510e47520886dbb4d1a6ba6c (diff) | |
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>
Diffstat (limited to 'arch/arm/cpu/armv8')
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/Kconfig | 6 | ||||
| -rw-r--r-- | arch/arm/cpu/armv8/zynqmp/cpu.c | 8 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/zynqmp/Kconfig b/arch/arm/cpu/armv8/zynqmp/Kconfig index 5ac48ebc4d..2a0e8f2cbf 100644 --- a/arch/arm/cpu/armv8/zynqmp/Kconfig +++ b/arch/arm/cpu/armv8/zynqmp/Kconfig @@ -56,6 +56,12 @@ config ZYNQMP_USB 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 94ecf90660..5fba0716ca 100644 --- a/arch/arm/cpu/armv8/zynqmp/cpu.c +++ b/arch/arm/cpu/armv8/zynqmp/cpu.c @@ -38,6 +38,14 @@ static struct mm_region zynqmp_mem_map[] = { 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, |