From cadbd7d15086b76dc4e5dd199e47b68d40006e6d Mon Sep 17 00:00:00 2001 From: Jan Sommer Date: Fri, 27 Nov 2020 14:43:19 +0100 Subject: bsp/xilinx_zynq: Enable support for 4kiB MMU pages - Disabled by default - Enable using ARM_MMU_USE_SMALL_PAGES option Close 4192. --- c/src/lib/libbsp/arm/xilinx-zynq/configure.ac | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'c/src/lib') diff --git a/c/src/lib/libbsp/arm/xilinx-zynq/configure.ac b/c/src/lib/libbsp/arm/xilinx-zynq/configure.ac index 6599b34292..51e4a121e0 100644 --- a/c/src/lib/libbsp/arm/xilinx-zynq/configure.ac +++ b/c/src/lib/libbsp/arm/xilinx-zynq/configure.ac @@ -70,11 +70,15 @@ RTEMS_BSPOPTS_SET([BSP_ZYNQ_RAM_LENGTH],[xilinx_zynq_zedboard],[512M]) RTEMS_BSPOPTS_SET([BSP_ZYNQ_RAM_LENGTH],[*],[256M]) RTEMS_BSPOPTS_HELP([BSP_ZYNQ_RAM_LENGTH],[override a BSP's default RAM length]) +RTEMS_BSPOPTS_SET([ARM_MMU_USE_SMALL_PAGES],[*],[0]) +RTEMS_BSPOPTS_HELP([ARM_MMU_USE_SMALL_PAGES],[use MMU with small pages (4KiB)]) + RTEMS_BSPOPTS_SET([BSP_ZYNQ_NOCACHE_LENGTH],[*],[1M]) RTEMS_BSPOPTS_HELP([BSP_ZYNQ_NOCACHE_LENGTH],[length of nocache RAM region]) ZYNQ_RAM_ORIGIN="0x00100000" ZYNQ_RAM_MMU_LENGTH="16k" +AS_IF([test "x${ARM_MMU_USE_SMALL_PAGES}" == x1], [ZYNQ_RAM_MMU_LENGTH="(16k+4M)"]) ZYNQ_RAM_INT_0_ORIGIN="0x00000000" ZYNQ_RAM_INT_0_LENGTH="64k + 64k + 64k" ZYNQ_RAM_INT_1_ORIGIN="0xFFFF0000" -- cgit v1.2.3