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arch: armv7-a: Remove unnecessary d-cache operation in arm_cpustart.c

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Summary:
- Remove unnecessary d-cache operation to make boot fast

Impact:
- armv7-a 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 2020-11-16 15:17:18 +09:00 committed by Xiang Xiao
parent d15a6b4363
commit 13f3f84bae
1 changed files with 0 additions and 4 deletions
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4
arch/arm/src/armv7-a/arm_cpustart.c
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@ -171,10 +171,6 @@ int up_cpu_start(int cpu)
sched_note_cpu_start(this_task(), cpu);
#endif
/* Make the content of CPU0 L1 cache has been written to coherent L2 */
cp15_clean_dcache(CONFIG_RAM_START, CONFIG_RAM_END - 1);
/* Execute SGI1 */
return arm_cpu_sgi(GIC_IRQ_SGI1, (1 << cpu));