This patch changes edma(4) to attach via device tree and re-enables it.
Index: conf/GENERIC
===================================================================
RCS file: /cvs/src/sys/arch/armv7/conf/GENERIC,v
retrieving revision 1.71
diff -u -p -r1.71 GENERIC
--- conf/GENERIC 23 Jan 2017 22:43:17 -0000 1.71
+++ conf/GENERIC 27 Feb 2017 08:21:08 -0000
@@ -63,7 +63,7 @@ omapid* at omap?
# OMAP on-chip devices
intc* at fdt? # OMAP3 interrupt controller
omwugen* at fdt? # Wake-up generator
-#edma* at omap? # OMAP3 dma controller
+edma* at fdt? # OMAP3 dma controller
prcm* at omap? # power/clock controller
ompinmux* at fdt? # pin muxing
omdog* at fdt? # watchdog timer
Index: omap/edma.c
===================================================================
RCS file: /cvs/src/sys/arch/armv7/omap/edma.c,v
retrieving revision 1.5
diff -u -p -r1.5 edma.c
--- omap/edma.c 22 Jan 2015 14:33:01 -0000 1.5
+++ omap/edma.c 27 Feb 2017 08:21:08 -0000
@@ -19,12 +19,15 @@
#include <sys/types.h>
#include <sys/systm.h>
-#include <machine/bus.h>
+#include <machine/fdt.h>
#include <armv7/armv7/armv7var.h>
#include <armv7/omap/prcmvar.h>
#include <armv7/omap/edmavar.h>
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/fdt.h>
+
#define DEVNAME(s) ((s)->sc_dev.dv_xname)
struct edma_softc {
@@ -78,30 +81,46 @@ struct edma_softc {
struct edma_softc *edma_sc;
+int edma_match(struct device *, void *, void *);
void edma_attach(struct device *, struct device *, void *);
int edma_comp_intr(void *);
struct cfattach edma_ca = {
- sizeof(struct edma_softc), NULL, edma_attach
+ sizeof(struct edma_softc), edma_match, edma_attach
};
struct cfdriver edma_cd = {
NULL, "edma", DV_DULL
};
+int
+edma_match(struct device *parent, void *match, void *aux)
+{
+ struct fdt_attach_args *faa = aux;
+ char hwmods[32];
+
+ if (OF_is_compatible(faa->fa_node, "ti,edma3-tpcc")) {
+ OF_getprop(faa->fa_node, "ti,hwmods", &hwmods, 32);
+
+ return !strncmp(hwmods, "tpcc", 32);
+ }
+
+ return 0;
+}
+
void
edma_attach(struct device *parent, struct device *self, void *aux)
{
- struct armv7_attach_args *aa = aux;
+ struct fdt_attach_args *faa = aux;
struct edma_softc *sc = (struct edma_softc *)self;
uint32_t rev;
int i;
- sc->sc_iot = aa->aa_iot;
+ sc->sc_iot = faa->fa_iot;
/* Map Base address for TPCC and TPCTX */
- if (bus_space_map(sc->sc_iot, aa->aa_dev->mem[0].addr,
- aa->aa_dev->mem[0].size, 0, &sc->sc_tpcc)) {
+ if (bus_space_map(sc->sc_iot, faa->fa_reg[0].addr,
faa->fa_reg[0].size, 0,
+ &sc->sc_tpcc)) {
printf("%s: bus_space_map failed for TPCC\n",
DEVNAME(sc));
return ;
}
@@ -115,12 +134,12 @@ edma_attach(struct device *parent, struc
/* XXX IPL_VM ? */
/* Enable interrupts line */
- sc->sc_ih_comp = arm_intr_establish(aa->aa_dev->irq[0], IPL_VM,
- edma_comp_intr, sc, DEVNAME(sc));
+ sc->sc_ih_comp = arm_intr_establish_fdt(faa->fa_node, IPL_VM,
edma_comp_intr,
+ sc, DEVNAME(sc));
if (sc->sc_ih_comp == NULL) {
printf("%s: unable to establish interrupt comp\n",
DEVNAME(sc));
bus_space_unmap(sc->sc_iot, sc->sc_tpcc,
- aa->aa_dev->mem[0].size);
+ faa->fa_reg[0].size);
return ;
}
Index: omap/files.omap
===================================================================
RCS file: /cvs/src/sys/arch/armv7/omap/files.omap,v
retrieving revision 1.19
diff -u -p -r1.19 files.omap
--- omap/files.omap 3 Oct 2016 01:59:20 -0000 1.19
+++ omap/files.omap 27 Feb 2017 08:21:08 -0000
@@ -39,7 +39,7 @@ attach tiiic at fdt
file arch/armv7/omap/ti_iic.c tiiic
device edma
-attach edma at omap
+attach edma at fdt
file arch/armv7/omap/edma.c edma
device intc
