kernel: delay between unlocking bytes

It happened that the boot-loader did not get correctly the reset sequence. A Delay between the characters apparently it helps. Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>

kernel: delay between unlocking bytes
It happened that the boot-loader did not get correctly the reset sequence. A Delay between the characters apparently it helps. Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
dc753d6c · Federico Vaga · e7413c28 · dc753d6c
Commit dc753d6c authored Oct 13, 2017 by Federico Vaga
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svec-core.c kernel/svec-core.c +3 -1

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--- a/kernel/svec-core.c
+++ b/kernel/svec-core.c
@@ -159,9 +159,11 @@ static int svec_fpga_reset(struct svec_dev *svec)
 {
 	int i;

-	for (i = 0; i < 8; i++)
+	for (i = 0; i < 8; i++) {
 		iowrite32be(boot_unlock_sequence[i],
 			    svec->map_cr.kernel_va + SVEC_BASE_LOADER + XLDR_REG_BTRIGR);
+		mdelay(1);
+	}

 	return 0;
 }