Firmware/opensbi
8
0
Fork 0
forked from Mirrors/opensbi
Code Pull Requests Activity

platform: thead/c910: Don't set plic/clint address in warm boot

Browse Source 
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>
This commit is contained in:
Liu Yibin
2020-01-13 11:20:57 +08:00
committed by Anup Patel
parent 7daccaeebd
commit a73d45ccac
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
platform/thead/c910/platform.c
View File

@@ -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;
}