From 807e5d383ca8bf6c0ac0fddd5edf9dda92e97c5d Mon Sep 17 00:00:00 2001 From: Huacai Chen Date: Wed, 31 Dec 2025 15:19:10 +0800 Subject: [PATCH] LoongArch: Complete CPUCFG registers definition According to the "LoongArch Reference Manual Volume 1: Basic Architecture", begin with LA664 CPU core there are more features supported which are indicated in CPUCFG2 and CPUCFG3. This patch completes the definitions of them so as to match the architecture specification. Signed-off-by: Bibo Mao Signed-off-by: Huacai Chen --- arch/loongarch/include/asm/loongarch.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/loongarch/include/asm/loongarch.h b/arch/loongarch/include/asm/loongarch.h index e6b8ff61c8cc6..553c4dc7a156e 100644 --- a/arch/loongarch/include/asm/loongarch.h +++ b/arch/loongarch/include/asm/loongarch.h @@ -94,6 +94,12 @@ #define CPUCFG2_LSPW BIT(21) #define CPUCFG2_LAM BIT(22) #define CPUCFG2_PTW BIT(24) +#define CPUCFG2_FRECIPE BIT(25) +#define CPUCFG2_DIV32 BIT(26) +#define CPUCFG2_LAM_BH BIT(27) +#define CPUCFG2_LAMCAS BIT(28) +#define CPUCFG2_LLACQ_SCREL BIT(29) +#define CPUCFG2_SCQ BIT(30) #define LOONGARCH_CPUCFG3 0x3 #define CPUCFG3_CCDMA BIT(0) @@ -108,6 +114,7 @@ #define CPUCFG3_SPW_HG_HF BIT(11) #define CPUCFG3_RVA BIT(12) #define CPUCFG3_RVAMAX GENMASK(16, 13) +#define CPUCFG3_DBAR_HINTS BIT(17) #define CPUCFG3_ALDORDER_CAP BIT(18) /* All address load ordered, capability */ #define CPUCFG3_ASTORDER_CAP BIT(19) /* All address store ordered, capability */ #define CPUCFG3_ALDORDER_STA BIT(20) /* All address load ordered, status */ -- 2.47.3