From: WANG Xuerui <git@xen0n.name>
To: linux-mips@vger.kernel.org
Cc: WANG Xuerui <git@xen0n.name>, Huacai Chen <chenhc@lemote.com>,
Jiaxun Yang <jiaxun.yang@flygoat.com>
Subject: [PATCH 2/4] MIPS: Loongson64: define offsets and known revisions for some CPUCFG features
Date: Sat, 2 May 2020 21:38:44 +0800 [thread overview]
Message-ID: <20200502133846.40590-3-git@xen0n.name> (raw)
In-Reply-To: <20200502133846.40590-1-git@xen0n.name>
Add the constants for easier and maintainable composition of CPUCFG
values.
Signed-off-by: WANG Xuerui <git@xen0n.name>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>
---
.../asm/mach-loongson64/loongson_regs.h | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/arch/mips/include/asm/mach-loongson64/loongson_regs.h b/arch/mips/include/asm/mach-loongson64/loongson_regs.h
index 3fa94c6ec3b9..8508afffdfd1 100644
--- a/arch/mips/include/asm/mach-loongson64/loongson_regs.h
+++ b/arch/mips/include/asm/mach-loongson64/loongson_regs.h
@@ -67,6 +67,8 @@ static inline u32 read_cpucfg(u32 reg)
#define LOONGSON_CFG1_SFBP BIT(29)
#define LOONGSON_CFG1_CDMAP BIT(30)
+#define LOONGSON_CFG1_FPREV_OFFSET 1
+
#define LOONGSON_CFG2 0x2
#define LOONGSON_CFG2_LEXT1 BIT(0)
#define LOONGSON_CFG2_LEXT2 BIT(1)
@@ -90,6 +92,13 @@ static inline u32 read_cpucfg(u32 reg)
#define LOONGSON_CFG2_LCSRP BIT(27)
#define LOONGSON_CFG2_LDISBLIKELY BIT(28)
+#define LOONGSON_CFG2_LPMREV_OFFSET 9
+#define LOONGSON_CFG2_LPM_REV1 (1 << LOONGSON_CFG2_LPMREV_OFFSET)
+#define LOONGSON_CFG2_LPM_REV2 (2 << LOONGSON_CFG2_LPMREV_OFFSET)
+#define LOONGSON_CFG2_LVZREV_OFFSET 16
+#define LOONGSON_CFG2_LVZ_REV1 (1 << LOONGSON_CFG2_LVZREV_OFFSET)
+#define LOONGSON_CFG2_LVZ_REV2 (2 << LOONGSON_CFG2_LVZREV_OFFSET)
+
#define LOONGSON_CFG3 0x3
#define LOONGSON_CFG3_LCAMP BIT(0)
#define LOONGSON_CFG3_LCAMREV GENMASK(3, 1)
@@ -97,6 +106,16 @@ static inline u32 read_cpucfg(u32 reg)
#define LOONGSON_CFG3_LCAMKW GENMASK(19, 12)
#define LOONGSON_CFG3_LCAMVW GENMASK(27, 20)
+#define LOONGSON_CFG3_LCAMREV_OFFSET 1
+#define LOONGSON_CFG3_LCAM_REV1 (1 << LOONGSON_CFG3_LCAMREV_OFFSET)
+#define LOONGSON_CFG3_LCAM_REV2 (2 << LOONGSON_CFG3_LCAMREV_OFFSET)
+#define LOONGSON_CFG3_LCAMNUM_OFFSET 4
+#define LOONGSON_CFG3_LCAMNUM_REV1 (0x3f << LOONGSON_CFG3_LCAMNUM_OFFSET)
+#define LOONGSON_CFG3_LCAMKW_OFFSET 12
+#define LOONGSON_CFG3_LCAMKW_REV1 (0x27 << LOONGSON_CFG3_LCAMKW_OFFSET)
+#define LOONGSON_CFG3_LCAMVW_OFFSET 20
+#define LOONGSON_CFG3_LCAMVW_REV1 (0x3f << LOONGSON_CFG3_LCAMVW_OFFSET)
+
#define LOONGSON_CFG4 0x4
#define LOONGSON_CFG4_CCFREQ GENMASK(31, 0)
--
2.21.0
next prev parent reply other threads:[~2020-05-02 13:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-02 13:38 [PATCH 0/4] CPUCFG emulation on older Loongson64 cores WANG Xuerui
2020-05-02 13:38 ` [PATCH 1/4] MIPS: Loongson64: fix typos in loongson_regs.h WANG Xuerui
2020-05-02 13:38 ` WANG Xuerui [this message]
2020-05-02 13:38 ` [PATCH 3/4] MIPS: define more Loongson CP0.Config6 and CP0.Diag feature bits WANG Xuerui
2020-05-02 13:38 ` [PATCH 4/4] MIPS: emulate CPUCFG instruction on older Loongson64 cores WANG Xuerui
2020-05-02 13:59 ` Jiaxun Yang
2020-05-03 6:31 ` Huacai Chen
2020-05-03 7:58 ` Wang Xuerui
2020-05-03 8:25 ` Jiaxun Yang
2020-05-03 10:33 ` [PATCH v2 0/4] CPUCFG emulation " WANG Xuerui
2020-05-16 11:29 ` WANG Xuerui
2020-05-17 8:38 ` Thomas Bogendoerfer
2020-05-03 10:33 ` [PATCH v2 1/4] MIPS: Loongson64: fix typos in loongson_regs.h WANG Xuerui
2020-05-03 10:33 ` [PATCH v2 2/4] MIPS: Loongson64: define offsets and known revisions for some CPUCFG features WANG Xuerui
2020-05-03 10:33 ` [PATCH v2 3/4] MIPS: define more Loongson CP0.Config6 and CP0.Diag feature bits WANG Xuerui
2020-05-03 10:33 ` [PATCH v2 4/4] MIPS: emulate CPUCFG instruction on older Loongson64 cores WANG Xuerui
2020-05-03 10:50 ` [PATCH v2 RESEND " WANG Xuerui
2020-05-03 15:50 ` Jiaxun Yang
2020-05-04 5:25 ` WANG Xuerui
2020-05-04 6:58 ` Jiaxun Yang
2020-05-17 8:37 ` Thomas Bogendoerfer
2020-05-17 11:39 ` WANG Xuerui
2020-05-17 15:17 ` Thomas Bogendoerfer
2020-05-18 2:44 ` WANG Xuerui
2020-05-19 14:33 ` WANG Xuerui
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