Module Name:    src
Committed By:   jakllsch
Date:           Fri Jun 15 14:37:35 UTC 2018

Modified Files:
        src/sys/arch/arm/virt: virt_platform.c
        src/sys/arch/evbarm/virt: virt_start.S

Log Message:
Big endian support for virt_platform_early_putchar and xputc.


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 src/sys/arch/arm/virt/virt_platform.c
cvs rdiff -u -r1.2 -r1.3 src/sys/arch/evbarm/virt/virt_start.S

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/virt/virt_platform.c
diff -u src/sys/arch/arm/virt/virt_platform.c:1.1 src/sys/arch/arm/virt/virt_platform.c:1.2
--- src/sys/arch/arm/virt/virt_platform.c:1.1	Thu Jun 14 10:56:39 2018
+++ src/sys/arch/arm/virt/virt_platform.c	Fri Jun 15 14:37:35 2018
@@ -1,4 +1,4 @@
-/* $NetBSD: virt_platform.c,v 1.1 2018/06/14 10:56:39 jmcneill Exp $ */
+/* $NetBSD: virt_platform.c,v 1.2 2018/06/15 14:37:35 jakllsch Exp $ */
 
 /*-
  * Copyright (c) 2018 Jared McNeill <jmcne...@invisible.ca>
@@ -31,7 +31,7 @@
 #include "opt_fdt_arm.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: virt_platform.c,v 1.1 2018/06/14 10:56:39 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: virt_platform.c,v 1.2 2018/06/15 14:37:35 jakllsch Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -96,12 +96,13 @@ virt_platform_early_putchar(char c)
 		(volatile uint32_t *)VIRT_CORE_PTOV(VIRT_UART_BASE) :
 		(volatile uint32_t *)VIRT_UART_BASE;
 
-	while ((uartaddr[PL01XCOM_FR / 4] & PL01X_FR_TXFF) != 0)
+	while ((le32toh(uartaddr[PL01XCOM_FR / 4]) & PL01X_FR_TXFF) != 0)
 		continue;
 
-	uartaddr[PL01XCOM_DR / 4] = c;
+	uartaddr[PL01XCOM_DR / 4] = htole32(c);
+	arm_dsb();
 
-	while ((uartaddr[PL01XCOM_FR / 4] & PL01X_FR_TXFE) == 0)
+	while ((le32toh(uartaddr[PL01XCOM_FR / 4]) & PL01X_FR_TXFE) == 0)
 		continue;
 }
 

Index: src/sys/arch/evbarm/virt/virt_start.S
diff -u src/sys/arch/evbarm/virt/virt_start.S:1.2 src/sys/arch/evbarm/virt/virt_start.S:1.3
--- src/sys/arch/evbarm/virt/virt_start.S:1.2	Fri Jun 15 14:32:29 2018
+++ src/sys/arch/evbarm/virt/virt_start.S	Fri Jun 15 14:37:35 2018
@@ -1,4 +1,4 @@
-/*	$NetBSD: virt_start.S,v 1.2 2018/06/15 14:32:29 jakllsch Exp $	*/
+/*	$NetBSD: virt_start.S,v 1.3 2018/06/15 14:37:35 jakllsch Exp $	*/
 
 /*-
  * Copyright (c) 2015 The NetBSD Foundation, Inc.
@@ -41,7 +41,7 @@
 
 #include <arm/virt/virt_platform.h>
 
-RCSID("$NetBSD: virt_start.S,v 1.2 2018/06/15 14:32:29 jakllsch Exp $")
+RCSID("$NetBSD: virt_start.S,v 1.3 2018/06/15 14:37:35 jakllsch Exp $")
 
 #ifdef VERBOSE_INIT_ARM
 #define	XPUTC(n)	mov r0, n; bl xputc
@@ -139,6 +139,9 @@ _C_LABEL(virt_start):
 xputc:
 	movw	r2, #0x0000
 	movt	r2, #0x0900
+#ifdef __ARMEB__
+	lsl	r0, r0, #24
+#endif
 	str	r0, [r2]
 	bx	lr
 

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