RTEMS | bsps: Add aarch64/ls1046a BSP (!1504)

[Chris Johns (@chris)]

Chris Johns started a new discussion on bsps/aarch64/ls1046a/start/mmu-config.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1504#note_159860

 > +    { /* DPAA QMAN and BMAN regions */
 > +      .begin = 0x0500000000ULL,
 > +      .end = 0x0510000000ULL,
 > +      .flags = AARCH64_MMU_DEVICE
 > +    },
 > +    { /* PCI Express 1 to 3 */
 > +      .begin = 0x4000000000ULL,
 > +      .end = 0x5800000000ULL,
 > +      .flags = AARCH64_MMU_DEVICE
 > +    },
 > +    { /* DRAM2; if not used, base == end. In that case, the mmu initialization ignores this */
 > +      .begin = (uintptr_t) bsp_dram2_base,
 > +      .end = (uintptr_t) bsp_dram2_end,
 > +      .flags = AARCH64_MMU_DATA_RW_CACHED
 > +    },
 > +    { /* DRAM3; if not used, base == end. In that case, the mmu initialization ignores this */

How is this memory made available to the user?

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1504#note_159860
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