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-rw-r--r--arch/nds32/kernel/setup.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/nds32/kernel/setup.c b/arch/nds32/kernel/setup.c
index 4b774ca433a9..31d29d92478e 100644
--- a/arch/nds32/kernel/setup.c
+++ b/arch/nds32/kernel/setup.c
@@ -39,6 +39,7 @@
#define HWCAP_FPU_DP 0x040000
#define HWCAP_V2 0x080000
#define HWCAP_DX_REGS 0x100000
+#define HWCAP_HWPRE 0x200000
unsigned long cpu_id, cpu_rev, cpu_cfgid;
bool has_fpu = false;
@@ -75,6 +76,7 @@ static const char *hwcap_str[] = {
"fpu_dp",
"v2",
"dx_regs",
+ "hw_pre",
NULL,
};
@@ -221,6 +223,11 @@ static void __init setup_cpuinfo(void)
if (__nds32__mfsr(NDS32_SR_MSC_CFG) & MSC_CFG_mskL2C)
elf_hwcap |= HWCAP_L2C;
+#ifdef CONFIG_HW_PRE
+ if (__nds32__mfsr(NDS32_SR_MISC_CTL) & MISC_CTL_makHWPRE_EN)
+ elf_hwcap |= HWCAP_HWPRE;
+#endif
+
tmp = __nds32__mfsr(NDS32_SR_CACHE_CTL);
if (!IS_ENABLED(CONFIG_CPU_DCACHE_DISABLE))
tmp |= CACHE_CTL_mskDC_EN;