[src/trunk]: src/sys/arch/alpha/pci - Define the DAC enable bit that's presen...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/05cd42c2b19d
branches:  trunk
changeset: 984699:05cd42c2b19d
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sat Jul 17 23:53:02 2021 +0000

description:
- Define the DAC enable bit that's present in WSBA3.
- Define symbolic constants for the valid WSM values.

diffstat:

 sys/arch/alpha/pci/tsreg.h |  21 ++++++++++++++++++---
 1 files changed, 18 insertions(+), 3 deletions(-)

diffs (41 lines):

diff -r 5efd638bc745 -r 05cd42c2b19d sys/arch/alpha/pci/tsreg.h
--- a/sys/arch/alpha/pci/tsreg.h        Sat Jul 17 19:27:22 2021 +0000
+++ b/sys/arch/alpha/pci/tsreg.h        Sat Jul 17 23:53:02 2021 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tsreg.h,v 1.9 2021/05/27 22:11:31 thorpej Exp $ */
+/* $NetBSD: tsreg.h,v 1.10 2021/07/17 23:53:02 thorpej Exp $ */
 
 /*-
  * Copyright (c) 1999 by Ross Harvey.  All rights reserved.
@@ -150,14 +150,29 @@
 #define P_WSBA3                0x00c0
 
 #      define  WSBA_ADDR(r) (TSFIELDBB((r), 31, 20) << 20)
-#      define  WSBA_SG      2
-#      define  WSBA_ENA     1
+#      define  WSBA3_DAC    __BIT(39)
+#      define  WSBA_SG      __BIT(1)
+#      define  WSBA_ENA     __BIT(0)
 
 #define P_WSM0         0x0100
 #define P_WSM1         0x0140
 #define P_WSM2         0x0180
 #define P_WSM3         0x01c0
 
+#      define  WSM_1MB      (0x000UL << 20)
+#      define  WSM_2MB      (0x001UL << 20)
+#      define  WSM_4MB      (0x003UL << 20)
+#      define  WSM_8MB      (0x007UL << 20)
+#      define  WSM_16MB     (0x00fUL << 20)
+#      define  WSM_32MB     (0x01fUL << 20)
+#      define  WSM_64MB     (0x03fUL << 20)
+#      define  WSM_128MB    (0x07fUL << 20)
+#      define  WSM_256MB    (0x0ffUL << 20)
+#      define  WSM_512MB    (0x1ffUL << 20)
+#      define  WSM_1GB      (0x3ffUL << 20)
+#      define  WSM_2GB      (0x7ffUL << 20)
+/*#    define  WSM_4GB      N/A                monster window / DAC only */
+
 #      define  WSM_AM(r)    TSFIELDBB((r), 31, 20)
 #      define  WSM_LEN(r)   ((WSM_AM(r) + 1) << 20)