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arch: armv7-a: Fix MMU settings for SDRAM in SMP mode

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Summary:
- This commit fixes armv7-a deadlocks with D-cache in SMP mode.
- In SMP mode, MMU for SDRAM area must be set to shareable

Impact:
- SMP only

Testing:
- Tested with sabre-6quad:smp (QEMU and dev board)

Signed-off-by: Masayuki Ishikawa <Masayuki.Ishikawa@jp.sony.com>
This commit is contained in:
Masayuki Ishikawa 2020-11-14 18:30:38 +09:00 committed by Xiang Xiao
parent 812257d058
commit a20463642e
1 changed files with 7 additions and 0 deletions
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7
arch/arm/src/armv7-a/mmu.h
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@ -584,8 +584,15 @@
#define MMU_ROMFLAGS (PMD_TYPE_SECT | PMD_SECT_AP_R1 | PMD_CACHEABLE | \
PMD_SECT_DOM(0))
#ifdef CONFIG_SMP
#define MMU_MEMFLAGS (PMD_TYPE_SECT | PMD_SECT_AP_RW1 | PMD_CACHEABLE | \
PMD_SECT_S | PMD_SECT_DOM(0))
#else
#define MMU_MEMFLAGS (PMD_TYPE_SECT | PMD_SECT_AP_RW1 | PMD_CACHEABLE | \
PMD_SECT_DOM(0))
#endif
#define MMU_IOFLAGS (PMD_TYPE_SECT | PMD_SECT_AP_RW1 | PMD_DEVICE | \
PMD_SECT_DOM(0) | PMD_SECT_XN)
#define MMU_STRONGLY_ORDERED (PMD_TYPE_SECT | PMD_SECT_AP_RW1 | \