Module Name: src
Committed By: snj
Date: Mon Apr 6 01:45:17 UTC 2015
Modified Files:
src/sys/arch/arm/amlogic [netbsd-7]: amlogic_com.c amlogic_comreg.h
Log Message:
Pull up following revision(s) (requested by jmcneill in ticket #659):
sys/arch/arm/amlogic/amlogic_com.c: revision 1.5
sys/arch/arm/amlogic/amlogic_comreg.h: revision 1.4
Fix cnmagic handling, now I can enter ddb from serial console.
To generate a diff of this commit:
cvs rdiff -u -r1.4.2.2 -r1.4.2.3 src/sys/arch/arm/amlogic/amlogic_com.c
cvs rdiff -u -r1.3.2.2 -r1.3.2.3 src/sys/arch/arm/amlogic/amlogic_comreg.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/amlogic/amlogic_com.c
diff -u src/sys/arch/arm/amlogic/amlogic_com.c:1.4.2.2 src/sys/arch/arm/amlogic/amlogic_com.c:1.4.2.3
--- src/sys/arch/arm/amlogic/amlogic_com.c:1.4.2.2 Sat Mar 21 08:51:17 2015
+++ src/sys/arch/arm/amlogic/amlogic_com.c Mon Apr 6 01:45:17 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_com.c,v 1.4.2.2 2015/03/21 08:51:17 snj Exp $ */
+/* $NetBSD: amlogic_com.c,v 1.4.2.3 2015/04/06 01:45:17 snj Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
@@ -33,7 +33,13 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: amlogic_com.c,v 1.4.2.2 2015/03/21 08:51:17 snj Exp $");
+__KERNEL_RCSID(1, "$NetBSD: amlogic_com.c,v 1.4.2.3 2015/04/06 01:45:17 snj Exp $");
+
+#define cn_trap() \
+ do { \
+ console_debugger(); \
+ cn_trapped = 1; \
+ } while (/* CONSTCOND */ 0)
#include <sys/param.h>
#include <sys/bus.h>
@@ -430,14 +436,23 @@ amlogic_com_intr(void *priv)
uint32_t status, c;
for (;;) {
+ int cn_trapped = 0;
status = bus_space_read_4(sc->sc_bst, sc->sc_bsh,
UART_STATUS_REG);
if (status & UART_STATUS_RX_EMPTY) {
break;
}
+ if (status & UART_STATUS_BREAK) {
+ cn_check_magic(tp->t_dev, CNC_BREAK,
+ amlogic_com_cnm_state);
+ if (cn_trapped)
+ continue;
+ }
c = bus_space_read_4(sc->sc_bst, sc->sc_bsh, UART_RFIFO_REG);
- cn_check_magic(tp->t_dev, c, amlogic_com_cnm_state);
+ cn_check_magic(tp->t_dev, c & 0xff, amlogic_com_cnm_state);
+ if (cn_trapped)
+ continue;
tp->t_linesw->l_rint(c & 0xff, tp);
}
Index: src/sys/arch/arm/amlogic/amlogic_comreg.h
diff -u src/sys/arch/arm/amlogic/amlogic_comreg.h:1.3.2.2 src/sys/arch/arm/amlogic/amlogic_comreg.h:1.3.2.3
--- src/sys/arch/arm/amlogic/amlogic_comreg.h:1.3.2.2 Sat Mar 21 08:51:17 2015
+++ src/sys/arch/arm/amlogic/amlogic_comreg.h Mon Apr 6 01:45:17 2015
@@ -1,4 +1,4 @@
-/* $NetBSD: amlogic_comreg.h,v 1.3.2.2 2015/03/21 08:51:17 snj Exp $ */
+/* $NetBSD: amlogic_comreg.h,v 1.3.2.3 2015/04/06 01:45:17 snj Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <[email protected]>
@@ -49,6 +49,7 @@
#define UART_STATUS_TX_EMPTY __BIT(22)
#define UART_STATUS_TX_FULL __BIT(21)
#define UART_STATUS_RX_EMPTY __BIT(20)
+#define UART_STATUS_BREAK __BIT(17)
#define UART_MISC_TX_IRQ_CNT __BITS(15,8)
#define UART_MISC_RX_IRQ_CNT __BITS(7,0)
