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Introduce hart disabled parameter in platform.

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As of now, uboot doesn't have support for SMP.
Moreover, unleashed board has a E51 hart which
doesn't not support S mode.

We should only boot only 1 non-zero hart.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
This commit is contained in:
Atish Patra
2018-12-21 11:29:28 -08:00
parent a6a5bb22a8
commit 88b173b33b
8 changed files with 24 additions and 7 deletions
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2
lib/sbi_ipi.c
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@@ -28,7 +28,7 @@ int sbi_ipi_send_many(struct sbi_scratch *scratch,
/* send IPIs to everyone */
for (i = 0, m = mask; m; i++, m >>= 1) {
if ((m & 1) && (i != hartid)) {
if ((m & 1) && (i != hartid) && !sbi_platform_hart_disabled(plat, hartid)) {
oth = sbi_hart_id_to_scratch(scratch, i);
oth->ipi_type = event;
mb();