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4 commits

Author SHA1 Message Date
Tom Rini
0b9441ae76 riscv: Remove common.h usage
We can remove common.h from most cases of the code here, and only a few
places need an additional header instead.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Rick Chen <rick@andestech.com>
2023-10-24 16:34:45 -04:00
Randolph
04b2123b4d riscv: andes: Rearrange Andes PLICSW to single-bit-per-hart strategy
Source hart information is not necessary in IPI, so we could
use single-bit-per-hart strategy to rearrange PLICSW mapping.

Bit 0 of Interrupt Pending Bits is hardwired to 0.
Therefore, we use bit 1 to send IPI to hart 0,
bit 2 to hart 1, ..., and so on.

Signed-off-by: Randolph <randolph@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2023-10-19 17:29:33 +08:00
Yu Chien Peter Lin
bc35b49a5c riscv: andes_plicsw: Fix IPI during OpenSBI invocation
On some AE350 boards, we need to explicitly initialize the priority
registers to a non-zero value so the boot hart can instruct secondary
harts to jump to OpenSBI.

This patch also updates the information about PLICSW.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
2023-07-06 17:28:08 +08:00
Yu Chien Peter Lin
a5dfa3b8a0 riscv: Rename Andes PLIC to PLICSW
As PLICSW is used to trigger the software interrupt, we should rename
Andes PLIC configuration and file name to reflect the usage. This patch
also updates PLMT and PLICSW compatible strings to be consistent with
OpenSBI fdt driver.

Signed-off-by: Yu Chien Peter Lin <peterlin@andestech.com>
Reviewed-by: Rick Chen <rick@andestech.com>
2022-11-03 13:27:56 +08:00
Renamed from arch/riscv/lib/andes_plic.c (Browse further)