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bsp/xilinx_zynq: Enable support for 4kiB MMU pages

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- Disabled by default
- Enable using ARM_MMU_USE_SMALL_PAGES option

Close 4192.
This commit is contained in:
Jan Sommer
2020-11-27 14:43:19 +01:00
committed by Sebastian Huber
parent 1a7afb55a3
commit cadbd7d150
3 changed files with 19 additions and 3 deletions
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4
c/src/lib/libbsp/arm/xilinx-zynq/configure.ac
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@@ -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"