espi: Add definitions for eSPI VW index messsages
This change adds eSPI VW index message definitions as per per Enhanced
Serial Peripheral Interface Base Specification (document #
327432-004 Revision 1.0) Chapter 5 "Transaction Layer".
BUG=b:153675913
Signed-off-by: Furquan Shaikh <furquan@google.com>
Change-Id: I5c04d4de222e16d3b8e2a5fb2fc4107ea278a35b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41252
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/include/espi.h b/src/include/espi.h
index b1a51d9..171b1b8 100644
--- a/src/include/espi.h
+++ b/src/include/espi.h
@@ -189,4 +189,41 @@
#define ESPI_SLAVE_CHANNEL_READY (1 << 1)
#define ESPI_SLAVE_CHANNEL_ENABLE (1 << 0)
+/* ESPI Slave Registers (Document # 327432-004 Revision 1.0 Chapter 5) */
+#define ESPI_VW_INDEX_INTERRUPT_EVENT_0 0 /* Interrupt lines 0 - 127 */
+#define ESPI_VW_INDEX_INTERRUPT_EVENT_1 1 /* Interrupt lines 128-255 */
+#define ESPI_VW_INTERRUPT_LEVEL_HIGH (1 << 7)
+#define ESPI_VW_INTERRUPT_LEVEL_LOW (0 << 7)
+
+#define ESPI_VW_INDEX_SYSTEM_EVENT_2 2
+#define ESPI_VW_SLP_S5 2
+#define ESPI_VW_SLP_S4 1
+#define ESPI_VW_SLP_S3 0
+#define ESPI_VW_INDEX_SYSTEM_EVENT_3 3
+#define ESPI_VW_OOB_RST_WARN 2
+#define ESPI_VW_PLTRST 1
+#define ESPI_VW_SUS_STAT 0
+#define ESPI_VW_INDEX_SYSTEM_EVENT_4 4
+#define ESPI_VW_PME 3
+#define ESPI_VW_WAKE 2
+#define ESPI_VW_OOB_RST_ACK 0
+#define ESPI_VW_INDEX_SYSTEM_EVENT_5 5
+#define ESPI_VW_SLAVE_BOOT_LOAD_STATUS 3
+#define ESPI_VW_ERROR_NON_FATAL 2
+#define ESPI_VW_ERROR_FATAL 1
+#define ESPI_VW_SLV_BOOT_LOAD_DONE 0
+#define ESPI_VW_INDEX_SYSTEM_EVENT_6 6
+#define ESPI_VW_HOST_RST_ACK 3
+#define ESPI_VW_RCIN 2
+#define ESPI_VW_SMI 1
+#define ESPI_VW_SCI 0
+#define ESPI_VW_INDEX_SYSTEM_EVENT_7 7
+#define ESPI_VW_NMIOUT 2
+#define ESPI_VW_SMIOUT 1
+#define ESPI_VW_HOST_RST_WARN 0
+
+#define ESPI_VW_VALID(x) (1 << ((x) + 4))
+#define ESPI_VW_VALUE(x, v) ((v) << (x))
+#define ESPI_VW_SIGNAL_HIGH(x) (ESPI_VW_VALID(x) | ESPI_VW_VALUE(1, x))
+#define ESPI_VW_SIGNAL_LOW(x) (ESPI_VW_VALID(x) | ESPI_VW_VALUE(0, x))
#endif /* __ESPI_H__ */