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platform: generic: thead: separate implement of T-HEAD c9xx errata

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Separate the implement of T-HEAD c9xx errata to allow any platform
with bug related to c9xx cores can use it.

Signed-off-by: Inochi Amaoto <inochiama@outlook.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Inochi Amaoto
2023-10-07 11:06:30 +08:00
committed by Anup Patel
parent 8e941e7fe3
commit 492d9b153d
7 changed files with 49 additions and 18 deletions
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13
platform/generic/include/thead/c9xx_errata.h Normal file
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@@ -0,0 +1,13 @@
#ifndef __RISCV_THEAD_C9XX_ERRATA_H____
#define __RISCV_THEAD_C9XX_ERRATA_H____
/**
* T-HEAD board with this quirk need to execute sfence.vma to flush
* stale entrie avoid incorrect memory access.
*/
#define THEAD_QUIRK_ERRATA_TLB_FLUSH BIT(0)
void thead_register_tlb_flush_trap_handler(void);
#endif // __RISCV_THEAD_C9XX_ERRATA_H____