From: Siva Durga Prasad Paladugu Date: Thu, 13 Jul 2017 13:31:10 +0000 (+0530) Subject: arm64: zynqmp: Provide a Kconfig option to define OCM and TCM in MMU X-Git-Tag: v2017.09-rc2~129^2~12 X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=189bec47ab1ff1b4bec6060f199f11dab9cd7b2d;p=u-boot 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 Signed-off-by: Michal Simek --- 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,