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-rw-r--r--arch/sparc/include/asm/pcr.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/pcr.h b/arch/sparc/include/asm/pcr.h
new file mode 100644
index 000000000..da834ffbe
--- /dev/null
+++ b/arch/sparc/include/asm/pcr.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PCR_H
+#define __PCR_H
+
+struct pcr_ops {
+ u64 (*read_pcr)(unsigned long);
+ void (*write_pcr)(unsigned long, u64);
+ u64 (*read_pic)(unsigned long);
+ void (*write_pic)(unsigned long, u64);
+ u64 (*nmi_picl_value)(unsigned int nmi_hz);
+ u64 pcr_nmi_enable;
+ u64 pcr_nmi_disable;
+};
+extern const struct pcr_ops *pcr_ops;
+
+void deferred_pcr_work_irq(int irq, struct pt_regs *regs);
+void schedule_deferred_pcr_work(void);
+
+#define PCR_PIC_PRIV 0x00000001 /* PIC access is privileged */
+#define PCR_STRACE 0x00000002 /* Trace supervisor events */
+#define PCR_UTRACE 0x00000004 /* Trace user events */
+#define PCR_N2_HTRACE 0x00000008 /* Trace hypervisor events */
+#define PCR_N2_TOE_OV0 0x00000010 /* Trap if PIC 0 overflows */
+#define PCR_N2_TOE_OV1 0x00000020 /* Trap if PIC 1 overflows */
+#define PCR_N2_MASK0 0x00003fc0
+#define PCR_N2_MASK0_SHIFT 6
+#define PCR_N2_SL0 0x0003c000
+#define PCR_N2_SL0_SHIFT 14
+#define PCR_N2_OV0 0x00040000
+#define PCR_N2_MASK1 0x07f80000
+#define PCR_N2_MASK1_SHIFT 19
+#define PCR_N2_SL1 0x78000000
+#define PCR_N2_SL1_SHIFT 27
+#define PCR_N2_OV1 0x80000000
+
+#define PCR_N4_OV 0x00000001 /* PIC overflow */
+#define PCR_N4_TOE 0x00000002 /* Trap On Event */
+#define PCR_N4_UTRACE 0x00000004 /* Trace user events */
+#define PCR_N4_STRACE 0x00000008 /* Trace supervisor events */
+#define PCR_N4_HTRACE 0x00000010 /* Trace hypervisor events */
+#define PCR_N4_MASK 0x000007e0 /* Event mask */
+#define PCR_N4_MASK_SHIFT 5
+#define PCR_N4_SL 0x0000f800 /* Event Select */
+#define PCR_N4_SL_SHIFT 11
+#define PCR_N4_PICNPT 0x00010000 /* PIC non-privileged trap */
+#define PCR_N4_PICNHT 0x00020000 /* PIC non-hypervisor trap */
+#define PCR_N4_NTC 0x00040000 /* Next-To-Commit wrap */
+
+int pcr_arch_init(void);
+
+#endif /* __PCR_H */