[RFC 01/11] arm64: Add TRBE definitions

From: Anshuman Khandual
Date: Tue Nov 10 2020 - 07:46:00 EST


This adds TRBE related registers and corresponding feature macros.

Signed-off-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
---
arch/arm64/include/asm/sysreg.h | 49 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index 8bfca08..14cb156 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -330,6 +330,55 @@

#define SYS_PMMIR_EL1 sys_reg(3, 0, 9, 14, 6)

+/*
+ * TRBE Registers
+ */
+#define SYS_TRBLIMITR_EL1 sys_reg(3, 0, 9, 11, 0)
+#define SYS_TRBPTR_EL1 sys_reg(3, 0, 9, 11, 1)
+#define SYS_TRBBASER_EL1 sys_reg(3, 0, 9, 11, 2)
+#define SYS_TRBSR_EL1 sys_reg(3, 0, 9, 11, 3)
+#define SYS_TRBMAR_EL1 sys_reg(3, 0, 9, 11, 4)
+#define SYS_TRBTRG_EL1 sys_reg(3, 0, 9, 11, 6)
+#define SYS_TRBIDR_EL1 sys_reg(3, 0, 9, 11, 7)
+
+#define TRBLIMITR_LIMIT_MASK GENMASK(51, 0)
+#define TRBLIMITR_LIMIT_SHIFT 12
+#define TRBLIMITR_NVM (1UL << 5)
+#define TRBLIMITR_TRIG_MODE_MASK GENMASK(1, 0)
+#define TRBLIMITR_TRIG_MODE_SHIFT 2
+#define TRBLIMITR_FILL_MODE_MASK GENMASK(1, 0)
+#define TRBLIMITR_FILL_MODE_SHIFT 1
+#define TRBLIMITR_ENABLE (1UL << 0)
+#define TRBPTR_PTR_MASK GENMASK(63, 0)
+#define TRBPTR_PTR_SHIFT 0
+#define TRBBASER_BASE_MASK GENMASK(51, 0)
+#define TRBBASER_BASE_SHIFT 12
+#define TRBSR_EC_MASK GENMASK(5, 0)
+#define TRBSR_EC_SHIFT 26
+#define TRBSR_IRQ (1UL << 22)
+#define TRBSR_TRG (1UL << 21)
+#define TRBSR_WRAP (1UL << 20)
+#define TRBSR_ABORT (1UL << 18)
+#define TRBSR_STOP (1UL << 17)
+#define TRBSR_MSS_MASK GENMASK(15, 0)
+#define TRBSR_MSS_SHIFT 0
+#define TRBSR_BSC_MASK GENMASK(5, 0)
+#define TRBSR_BSC_SHIFT 0
+#define TRBSR_FSC_MASK GENMASK(5, 0)
+#define TRBSR_FSC_SHIFT 0
+#define TRBMAR_SHARE_MASK GENMASK(1, 0)
+#define TRBMAR_SHARE_SHIFT 8
+#define TRBMAR_OUTER_MASK GENMASK(3, 0)
+#define TRBMAR_OUTER_SHIFT 4
+#define TRBMAR_INNER_MASK GENMASK(3, 0)
+#define TRBMAR_INNER_SHIFT 0
+#define TRBTRG_TRG_MASK GENMASK(31, 0)
+#define TRBTRG_TRG_SHIFT 0
+#define TRBIDR_FLAG (1UL << 5)
+#define TRBIDR_PROG (1UL << 4)
+#define TRBIDR_ALIGN_MASK GENMASK(3, 0)
+#define TRBIDR_ALIGN_SHIFT 0
+
#define SYS_MAIR_EL1 sys_reg(3, 0, 10, 2, 0)
#define SYS_AMAIR_EL1 sys_reg(3, 0, 10, 3, 0)

--
2.7.4