Module Name: src
Committed By: matt
Date: Tue Feb 19 02:15:18 UTC 2013
Modified Files:
src/sys/arch/arm/broadcom: bcm53xx_board.c bcm53xx_pax.c bcm53xx_var.h
Log Message:
Add a bounce dmatag which only has the coherent memory region.
The coherent dmatag now always has all of memory (both coherent and normal
memory).
To generate a diff of this commit:
cvs rdiff -u -r1.13 -r1.14 src/sys/arch/arm/broadcom/bcm53xx_board.c
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/arm/broadcom/bcm53xx_pax.c
cvs rdiff -u -r1.4 -r1.5 src/sys/arch/arm/broadcom/bcm53xx_var.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/broadcom/bcm53xx_board.c
diff -u src/sys/arch/arm/broadcom/bcm53xx_board.c:1.13 src/sys/arch/arm/broadcom/bcm53xx_board.c:1.14
--- src/sys/arch/arm/broadcom/bcm53xx_board.c:1.13 Wed Feb 13 23:09:39 2013
+++ src/sys/arch/arm/broadcom/bcm53xx_board.c Tue Feb 19 02:15:17 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: bcm53xx_board.c,v 1.13 2013/02/13 23:09:39 matt Exp $ */
+/* $NetBSD: bcm53xx_board.c,v 1.14 2013/02/19 02:15:17 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@@ -34,7 +34,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: bcm53xx_board.c,v 1.13 2013/02/13 23:09:39 matt Exp $");
+__KERNEL_RCSID(1, "$NetBSD: bcm53xx_board.c,v 1.14 2013/02/19 02:15:17 matt Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -91,11 +91,9 @@ struct arm32_dma_range bcm53xx_coherent_
.dr_busbase = 0x80000000,
.dr_len = 0x10000000,
.dr_flags = _BUS_DMAMAP_COHERENT,
-#ifndef _ARM32_NEED_BUS_DMA_BOUNCE
}, [1] = {
.dr_sysbase = 0x90000000,
.dr_busbase = 0x90000000,
-#endif
},
};
@@ -107,6 +105,25 @@ struct arm32_bus_dma_tag bcm53xx_coheren
_BUS_DMATAG_FUNCS,
};
+#ifdef _ARM32_NEED_BUS_DMA_BOUNCE
+struct arm32_dma_range bcm53xx_bounce_dma_ranges[] = {
+ [0] = {
+ .dr_sysbase = 0x80000000,
+ .dr_busbase = 0x80000000,
+ .dr_len = 0x10000000,
+ .dr_flags = _BUS_DMAMAP_COHERENT,
+ },
+};
+
+struct arm32_bus_dma_tag bcm53xx_bounce_dma_tag = {
+ ._ranges = bcm53xx_bounce_dma_ranges,
+ ._nranges = __arraycount(bcm53xx_bounce_dma_ranges),
+ _BUS_DMAMAP_FUNCS,
+ _BUS_DMAMEM_FUNCS,
+ _BUS_DMATAG_FUNCS,
+};
+#endif
+
#ifdef BCM53XX_CONSOLE_EARLY
#include <dev/ic/ns16550reg.h>
#include <dev/ic/comreg.h>
@@ -529,6 +546,8 @@ bcm53xx_dma_bootstrap(psize_t memsize)
bcm53xx_dma_tag._nranges = 1;
#ifndef _ARM32_NEED_BUS_DMA_BOUNCE
bcm53xx_coherent_dma_tag._nranges = 1;
+#else
+ bcm53xx_bounce_dma_ranges[0].dr_len = memsize;
#endif
} else {
/*
@@ -537,12 +556,16 @@ bcm53xx_dma_bootstrap(psize_t memsize)
* below 256MB which for PCI and GMAC are coherent.
*/
bcm53xx_dma_ranges[1].dr_len = memsize - 0x10000000;
-#ifndef _ARM32_NEED_BUS_DMA_BOUNCE
bcm53xx_coherent_dma_ranges[1].dr_len = memsize - 0x10000000;
+#ifdef _ARM32_NEED_BUS_DMA_BOUNCE
+ bcm53xx_bounce_dma_ranges[1].dr_len = memsize - 0x10000000;
#endif
}
KASSERT(bcm53xx_dma_tag._ranges[0].dr_flags == 0);
KASSERT(bcm53xx_coherent_dma_tag._ranges[0].dr_flags == _BUS_DMAMAP_COHERENT);
+#ifdef _ARM32_NEED_BUS_DMA_BOUNCE
+ KASSERT(bcm53xx_bounce_dma_tag._ranges[0].dr_flags == _BUS_DMAMAP_COHERENT);
+#endif
}
#ifdef MULTIPROCESSOR
Index: src/sys/arch/arm/broadcom/bcm53xx_pax.c
diff -u src/sys/arch/arm/broadcom/bcm53xx_pax.c:1.8 src/sys/arch/arm/broadcom/bcm53xx_pax.c:1.9
--- src/sys/arch/arm/broadcom/bcm53xx_pax.c:1.8 Tue Feb 19 02:03:06 2013
+++ src/sys/arch/arm/broadcom/bcm53xx_pax.c Tue Feb 19 02:15:18 2013
@@ -34,7 +34,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: bcm53xx_pax.c,v 1.8 2013/02/19 02:03:06 matt Exp $");
+__KERNEL_RCSID(1, "$NetBSD: bcm53xx_pax.c,v 1.9 2013/02/19 02:15:18 matt Exp $");
#include <sys/bus.h>
#include <sys/device.h>
@@ -202,11 +202,12 @@ bcmpax_ccb_attach(device_t parent, devic
cfdata_t cf = device_cfdata(self);
sc->sc_dev = self;
+ sc->sc_dmat = &bcm53xx_coherent_dma_tag;
+#ifdef _ARM32_NEED_BUS_DMA_BOUNCE
if (cf->cf_flags & 2) {
- sc->sc_dmat = &bcm53xx_coherent_dma_tag;
- } else {
- sc->sc_dmat = ccbaa->ccbaa_dmat;
+ sc->sc_dmat = &bcm53xx_bounce_dma_tag;
}
+#endif
for (u_int i = 0; i < 4; i++) {
snprintf(sc->sc_intrstring[i], sizeof(sc->sc_intrstring[i]),
Index: src/sys/arch/arm/broadcom/bcm53xx_var.h
diff -u src/sys/arch/arm/broadcom/bcm53xx_var.h:1.4 src/sys/arch/arm/broadcom/bcm53xx_var.h:1.5
--- src/sys/arch/arm/broadcom/bcm53xx_var.h:1.4 Wed Oct 17 20:18:55 2012
+++ src/sys/arch/arm/broadcom/bcm53xx_var.h Tue Feb 19 02:15:18 2013
@@ -1,4 +1,4 @@
-/* $NetBSD: bcm53xx_var.h,v 1.4 2012/10/17 20:18:55 matt Exp $ */
+/* $NetBSD: bcm53xx_var.h,v 1.5 2013/02/19 02:15:18 matt Exp $ */
/*-
* Copyright (c) 2012 The NetBSD Foundation, Inc.
* All rights reserved.
@@ -115,6 +115,9 @@ uint64_t bcm53xx_srab_read_8(u_int);
void bcm53xx_srab_write_4(u_int, uint32_t);
void bcm53xx_srab_write_8(u_int, uint64_t);
extern struct arm32_bus_dma_tag bcm53xx_dma_tag, bcm53xx_coherent_dma_tag;
+#ifdef _ARM32_NEED_BUS_DMA_BOUNCE
+extern struct arm32_bus_dma_tag bcm53xx_bounce_dma_tag;
+#endif
extern struct bus_space bcmgen_bs_tag;
extern bus_space_tag_t bcm53xx_ioreg_bst;
extern bus_space_handle_t bcm53xx_ioreg_bsh;
