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SG2044: add t-head c9xx jtlb errta

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Signed-off-by: Chao Wei <chao.wei@sophgo.com>
This commit is contained in:
Chao Wei
2025-12-23 20:15:26 +08:00
committed by SophgoChaoWei
parent 78f021d248
commit 15c8ab7701
4 changed files with 29 additions and 0 deletions
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17
lib/sbi/sbi_tlb.c
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@@ -79,12 +79,15 @@ static void sbi_tlb_local_hfence_gvma(struct sbi_tlb_info *tinfo)
static void sbi_tlb_local_sfence_vma(struct sbi_tlb_info *tinfo) static void sbi_tlb_local_sfence_vma(struct sbi_tlb_info *tinfo)
{ {
#ifndef CONFIG_THEAD_C9XX_ERRATA_JTLB
unsigned long start = tinfo->start; unsigned long start = tinfo->start;
unsigned long size = tinfo->size; unsigned long size = tinfo->size;
unsigned long i; unsigned long i;
#endif
sbi_pmu_ctr_incr_fw(SBI_PMU_FW_SFENCE_VMA_RCVD); sbi_pmu_ctr_incr_fw(SBI_PMU_FW_SFENCE_VMA_RCVD);
#ifndef CONFIG_THEAD_C9XX_ERRATA_JTLB
if ((start == 0 && size == 0) || (size == SBI_TLB_FLUSH_ALL)) { if ((start == 0 && size == 0) || (size == SBI_TLB_FLUSH_ALL)) {
tlb_flush_all(); tlb_flush_all();
return; return;
@@ -96,6 +99,10 @@ static void sbi_tlb_local_sfence_vma(struct sbi_tlb_info *tinfo)
: "r"(start + i) : "r"(start + i)
: "memory"); : "memory");
} }
#else
tlb_flush_all();
return;
#endif
} }
static void sbi_tlb_local_hfence_vvma_asid(struct sbi_tlb_info *tinfo) static void sbi_tlb_local_hfence_vvma_asid(struct sbi_tlb_info *tinfo)
@@ -148,7 +155,9 @@ static void sbi_tlb_local_sfence_vma_asid(struct sbi_tlb_info *tinfo)
unsigned long start = tinfo->start; unsigned long start = tinfo->start;
unsigned long size = tinfo->size; unsigned long size = tinfo->size;
unsigned long asid = tinfo->asid; unsigned long asid = tinfo->asid;
#ifndef CONFIG_THEAD_C9XX_ERRATA_JTLB
unsigned long i; unsigned long i;
#endif
sbi_pmu_ctr_incr_fw(SBI_PMU_FW_SFENCE_VMA_ASID_RCVD); sbi_pmu_ctr_incr_fw(SBI_PMU_FW_SFENCE_VMA_ASID_RCVD);
@@ -161,12 +170,20 @@ static void sbi_tlb_local_sfence_vma_asid(struct sbi_tlb_info *tinfo)
return; return;
} }
#ifndef CONFIG_THEAD_C9XX_ERRATA_JTLB
for (i = 0; i < size; i += PAGE_SIZE) { for (i = 0; i < size; i += PAGE_SIZE) {
__asm__ __volatile__("sfence.vma %0, %1" __asm__ __volatile__("sfence.vma %0, %1"
: :
: "r"(start + i), "r"(asid) : "r"(start + i), "r"(asid)
: "memory"); : "memory");
} }
#else
__asm__ __volatile__("sfence.vma x0, %0"
:
: "r"(asid)
: "memory");
#endif
} }
static void sbi_tlb_local_fence_i(struct sbi_tlb_info *tinfo) static void sbi_tlb_local_fence_i(struct sbi_tlb_info *tinfo)

7
platform/generic/Kconfig
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@@ -58,6 +58,13 @@ config PLATFORM_SOPHGO_SG2042
select THEAD_C9XX_PMU select THEAD_C9XX_PMU
default n default n
config PLATFORM_SOPHGO_SG2044
bool "Sophgo sg2044 support"
select THEAD_C9XX_ERRATA
select THEAD_C9XX_ERRATA_JTLB
select THEAD_C9XX_PMU
default n
config PLATFORM_STARFIVE_JH7110 config PLATFORM_STARFIVE_JH7110
bool "StarFive JH7110 support" bool "StarFive JH7110 support"
default n default n

1
platform/generic/configs/defconfig
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@@ -4,6 +4,7 @@ CONFIG_PLATFORM_RENESAS_RZFIVE=y
CONFIG_PLATFORM_SIFIVE_FU540=y CONFIG_PLATFORM_SIFIVE_FU540=y
CONFIG_PLATFORM_SIFIVE_FU740=y CONFIG_PLATFORM_SIFIVE_FU740=y
CONFIG_PLATFORM_SOPHGO_SG2042=y CONFIG_PLATFORM_SOPHGO_SG2042=y
CONFIG_PLATFORM_SOPHGO_SG2044=y
CONFIG_PLATFORM_STARFIVE_JH7110=y CONFIG_PLATFORM_STARFIVE_JH7110=y
CONFIG_PLATFORM_THEAD=y CONFIG_PLATFORM_THEAD=y
CONFIG_FDT_CPPC=y CONFIG_FDT_CPPC=y

4
platform/generic/thead/Kconfig
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@@ -7,3 +7,7 @@ config THEAD_C9XX_PMU
config THEAD_C9XX_ERRATA config THEAD_C9XX_ERRATA
bool "T-HEAD c9xx errata support" bool "T-HEAD c9xx errata support"
default n default n
config THEAD_C9XX_ERRATA_JTLB
bool "T-HEAD c9xx errata(JTLB) support"
default n