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workaround: add delay

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Signed-off-by: Han Gao <gaohan@iscas.ac.cn>
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Han Gao
2024-01-16 16:50:14 +08:00
committed by Han Gao/Revy/Rabenda
parent 6935c50d54
commit 0060af48c1
1 changed files with 1 additions and 0 deletions
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board/thead/light-c910/spl.c
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@@ -310,6 +310,7 @@ void cpu_performance_enable(void)
csr_write(CSR_MHCR, 0x17f); // clear bit7 to disable indirect brantch prediction
csr_write(CSR_MXSTATUS, 0x638000);
csr_write(CSR_MHINT, 0x6e30c | (1<<21) | (1<<22)); // set bit21 & bit 22 to close tlb & fence broadcast
mdelay(50); // workaround
}
static int bl1_img_have_head(unsigned long img_src_addr)