Commit diff
Commit 00299ae0fccd48f3d556bf0f4a28f95db0ea7c7
commit 00299ae0fccd48f3d556bf0f4a28f95db0ea7c76
Author: swausd <swausd@t-online.de>
Date: Mon Mar 16 11:19:20 2026 +0100
Define a CPU internal IO pin to react on ISA BUS wait state requests (IOCHRDY)
---
elks/include/arch/necv25.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/elks/include/arch/necv25.h b/elks/include/arch/necv25.h
index 499404eb..f7954e79 100644
--- a/elks/include/arch/necv25.h
+++ b/elks/include/arch/necv25.h
@@ -71,12 +71,12 @@
* Port.Pin Name Function Direction Used in
* P1.0 special in do not change
* P1.1 INTP0 special in do not change
- * P1.2 special in do not change
- * P1.3 special in NE200 NIC
+ * P1.2 INTP1 special in do not change
+ * P1.3 INTP2 special in NE200 NIC
* P1.4 I/O in
* P1.5 I/O in
* P1.6 /SCK0 special out spi-hw-necv25.S
- * P1.7 I/O in
+ * P1.7 READY I/O in connected to ISA IOCHRDY
*
* Port.Pin Name Function Direction Used in
* P2.0 SDA I/O in/out i2c-ll.S
@@ -91,7 +91,7 @@
// PM1 PMC1, PM2 and PMC2 have to get initialized in BIOS
// or startup code with these values before ELKS starts:
#define NEC_PM1_DEF 0xbf
-#define NEC_PMC1_DEF 0x40
+#define NEC_PMC1_DEF 0xc0
#define NEC_PM2_DEF 0x80
#define NEC_PMC2_DEF 0x00