From a73d45ccac1794afba111dd1b46d3b7912cfe019 Mon Sep 17 00:00:00 2001
From: Liu Yibin <yibin_liu@c-sky.com>
Date: Mon, 13 Jan 2020 11:20:57 +0800
Subject: platform: thead/c910: Don't set plic/clint address in warm boot
Since all harts share the same plic/clint address now, setting
them during cold boot is just fine.
Signed-off-by: Liu Yibin <yibin_liu@c-sky.com>
Reviewed-by: Anup Patel <anup.patel@wdc.com>
---
platform/thead/c910/platform.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
(limited to 'platform')
diff --git a/platform/thead/c910/platform.c b/platform/thead/c910/platform.c
index 83cfc9d..9d73bf4 100644
--- a/platform/thead/c910/platform.c
+++ b/platform/thead/c910/platform.c
@@ -34,6 +34,10 @@ static int c910_early_init(bool cold_boot)
c910_regs.mccr2 = csr_read(CSR_MCCR2);
c910_regs.mhint = csr_read(CSR_MHINT);
c910_regs.mxstatus = csr_read(CSR_MXSTATUS);
+
+ c910_regs.plic_base_addr = csr_read(CSR_PLIC_BASE);
+ c910_regs.clint_base_addr =
+ c910_regs.plic_base_addr + C910_PLIC_CLINT_OFFSET;
} else {
/* Store to other core */
csr_write(CSR_PMPADDR0, c910_regs.pmpaddr0);
@@ -52,10 +56,6 @@ static int c910_early_init(bool cold_boot)
csr_write(CSR_MXSTATUS, c910_regs.mxstatus);
}
- c910_regs.plic_base_addr = csr_read(CSR_PLIC_BASE);
- c910_regs.clint_base_addr =
- c910_regs.plic_base_addr + C910_PLIC_CLINT_OFFSET;
-
return 0;
}
--
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