Module Name: src
Committed By: jmcneill
Date: Mon Sep 13 23:30:52 UTC 2021
Modified Files:
src/sys/arch/arm/apple: apple_platform.c
Log Message:
apple: provide a non-posted bs tag by default
This tag is still used for early console attachment.
To generate a diff of this commit:
cvs rdiff -u -r1.3 -r1.4 src/sys/arch/arm/apple/apple_platform.c
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/apple/apple_platform.c
diff -u src/sys/arch/arm/apple/apple_platform.c:1.3 src/sys/arch/arm/apple/apple_platform.c:1.4
--- src/sys/arch/arm/apple/apple_platform.c:1.3 Thu Sep 2 20:57:57 2021
+++ src/sys/arch/arm/apple/apple_platform.c Mon Sep 13 23:30:52 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: apple_platform.c,v 1.3 2021/09/02 20:57:57 jmcneill Exp $ */
+/* $NetBSD: apple_platform.c,v 1.4 2021/09/13 23:30:52 jmcneill Exp $ */
/*-
* Copyright (c) 2021 Jared McNeill <[email protected]>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: apple_platform.c,v 1.3 2021/09/02 20:57:57 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: apple_platform.c,v 1.4 2021/09/13 23:30:52 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -60,6 +60,8 @@ __KERNEL_RCSID(0, "$NetBSD: apple_platfo
extern struct bus_space arm_generic_bs_tag;
+static struct bus_space apple_nonposted_bs_tag;
+
struct arm32_bus_dma_tag apple_coherent_dma_tag;
static struct arm32_dma_range apple_coherent_ranges[] = {
[0] = {
@@ -70,11 +72,25 @@ static struct arm32_dma_range apple_cohe
}
};
+static int
+apple_nonposted_bs_map(void *t, bus_addr_t bpa, bus_size_t size, int flag,
+ bus_space_handle_t *bshp)
+{
+ if (flag == 0) {
+ flag |= _ARM_BUS_SPACE_MAP_STRONGLY_ORDERED;
+ }
+
+ return bus_space_map(&arm_generic_bs_tag, bpa, size, flag, bshp);
+}
+
static void
apple_platform_bootstrap(void)
{
extern struct arm32_bus_dma_tag arm_generic_dma_tag;
+ apple_nonposted_bs_tag = arm_generic_bs_tag;
+ apple_nonposted_bs_tag.bs_map = apple_nonposted_bs_map;
+
apple_coherent_dma_tag = arm_generic_dma_tag;
apple_coherent_dma_tag._ranges = apple_coherent_ranges;
apple_coherent_dma_tag._nranges = __arraycount(apple_coherent_ranges);
@@ -85,7 +101,7 @@ apple_platform_bootstrap(void)
static void
apple_platform_init_attach_args(struct fdt_attach_args *faa)
{
- faa->faa_bst = &arm_generic_bs_tag;
+ faa->faa_bst = &apple_nonposted_bs_tag;
faa->faa_dmat = &apple_coherent_dma_tag;
}
