Dynamically attach omehci using the FDT.

ok kettenis@ patrick@

diff --git a/sys/arch/armv7/conf/GENERIC b/sys/arch/armv7/conf/GENERIC
index f9fdf06..c47dedd 100644 (file)
--- a/sys/arch/armv7/conf/GENERIC
+++ b/sys/arch/armv7/conf/GENERIC
@@ -1,4 +1,4 @@
-#      $OpenBSD: GENERIC,v 1.43 2016/08/10 06:51:57 kettenis Exp $
+#      $OpenBSD: GENERIC,v 1.44 2016/08/11 01:53:18 jsg Exp $
 #
 # For further information on compiling OpenBSD kernels, see the config(8)
 # man page.
@@ -78,8 +78,8 @@ com*          at fdt?                 # onboard uarts
 ommmc*         at fdt?                 # SD/MMC card controller
 sdmmc*         at ommmc?               # SD/MMC bus
 
-ehci*          at omap?                # EHCI (shim)
-usb*           at ehci?
+omehci*                at fdt?                 # EHCI
+usb*           at omehci?
 
 # Sunxi A1x/A20 SoC
 sunxi0         at mainbus?

diff --git a/sys/arch/armv7/conf/RAMDISK b/sys/arch/armv7/conf/RAMDISK
index adbfb82..dbbf6f3 100644 (file)
--- a/sys/arch/armv7/conf/RAMDISK
+++ b/sys/arch/armv7/conf/RAMDISK
@@ -1,4 +1,4 @@
-#      $OpenBSD: RAMDISK,v 1.40 2016/08/10 07:09:37 jsg Exp $
+#      $OpenBSD: RAMDISK,v 1.41 2016/08/11 01:53:18 jsg Exp $
 
 machine                armv7 arm
 
@@ -77,8 +77,8 @@ com*          at fdt?                 # onboard uarts
 ommmc*         at fdt?                 # SD/MMC card controller
 sdmmc*         at ommmc?               # SD/MMC bus
 
-ehci*          at omap?                # EHCI (shim)
-usb*           at ehci?
+omehci*                at fdt?                 # EHCI
+usb*           at omehci?
 
 # Sunxi A1x/A20 SoC
 sunxi0         at mainbus?

diff --git a/sys/arch/armv7/omap/files.omap b/sys/arch/armv7/omap/files.omap
index a8326a8..5b8fd67 100644 (file)
--- a/sys/arch/armv7/omap/files.omap
+++ b/sys/arch/armv7/omap/files.omap
@@ -1,4 +1,4 @@
-#      $OpenBSD: files.omap,v 1.14 2016/08/06 10:07:45 jsg Exp $
+#      $OpenBSD: files.omap,v 1.15 2016/08/11 01:53:18 jsg Exp $
 
 define omap {}
 device omap: omap
@@ -61,7 +61,8 @@ file  arch/armv7/omap/omdog.c                 omdog
 attach ohci at omap with omohci
 file   arch/armv7/omap/omohci.c                omohci
 
-attach ehci at omap with omehci
+device omehci: usbus
+attach omehci at fdt
 file   arch/armv7/omap/omehci.c                omehci
 
 # NS16550 compatible serial ports

diff --git a/sys/arch/armv7/omap/omap.c b/sys/arch/armv7/omap/omap.c
index 1fb7c97..3325915 100644 (file)
--- a/sys/arch/armv7/omap/omap.c
+++ b/sys/arch/armv7/omap/omap.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: omap.c,v 1.17 2016/08/06 10:07:45 jsg Exp $ */
+/* $OpenBSD: omap.c,v 1.18 2016/08/11 01:53:18 jsg Exp $ */
 /*
  * Copyright (c) 2005,2008 Dale Rahn <drahn@openbsd.com>
  *
@@ -73,7 +73,6 @@ struct board_dev omap4_dev[] = {
        { "omgpio",     3 },
        { "omgpio",     4 },
        { "omgpio",     5 },
-       { "ehci",       0 },
        { NULL,         0 }
 };
 

diff --git a/sys/arch/armv7/omap/omehci.c b/sys/arch/armv7/omap/omehci.c
index 1ee3a06..1534219 100644 (file)
--- a/sys/arch/armv7/omap/omehci.c
+++ b/sys/arch/armv7/omap/omehci.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: omehci.c,v 1.3 2014/05/19 13:11:31 mpi Exp $ */
+/*     $OpenBSD: omehci.c,v 1.4 2016/08/11 01:53:18 jsg Exp $ */
 
 /*
  * Copyright (c) 2005 David Gwynne <dlg@openbsd.org>
@@ -52,6 +52,7 @@
 
 #include <machine/intr.h>
 #include <machine/bus.h>
+#include <machine/fdt.h>
 
 #include <dev/usb/usb.h>
 #include <dev/usb/usbdi.h>
@@ -63,9 +64,13 @@
 #include <armv7/omap/omgpiovar.h>
 #include <armv7/omap/omehcivar.h>
 
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/fdt.h>
+
 #include <dev/usb/ehcireg.h>
 #include <dev/usb/ehcivar.h>
 
+int    omehci_match(struct device *, void *, void *);
 void   omehci_attach(struct device *, struct device *, void *);
 int    omehci_detach(struct device *, int);
 int    omehci_activate(struct device *, int);
@@ -97,25 +102,43 @@ void omehci_uhh_init(struct omehci_softc *sc);
 void omehci_v4_early_init(void);
 
 struct cfattach omehci_ca = {
-       sizeof (struct omehci_softc), NULL, omehci_attach,
+       sizeof (struct omehci_softc), omehci_match, omehci_attach,
        omehci_detach, omehci_activate
 };
 
+struct cfdriver omehci_cd = {
+       NULL, "omehci", DV_DULL
+};
+
+int
+omehci_match(struct device *parent, void *match, void *aux)
+{
+       struct fdt_attach_args *faa = aux;
+
+       return OF_is_compatible(faa->fa_node, "ti,usbhs-host");
+}
+
 void
 omehci_attach(struct device *parent, struct device *self, void *aux)
 {
        struct omehci_softc     *sc = (struct omehci_softc *)self;
-       struct armv7_attach_args *aa = aux;
+       struct fdt_attach_args *faa = aux;
        usbd_status              r;
        char                    *devname = sc->sc.sc_bus.bdev.dv_xname;
        uint32_t                 i;
+       char                     port_mode[16];
+       char                     name[32];
+       int                      node;
+       uint32_t                 reg[2];
+
+       if (faa->fa_nreg < 1)
+               return;
 
-       sc->sc.iot = aa->aa_iot;
-       sc->sc.sc_bus.dmatag = aa->aa_dmat;
-       sc->sc.sc_size = aa->aa_dev->mem[0].size;
+       sc->sc.iot = faa->fa_iot;
+       sc->sc.sc_bus.dmatag = faa->fa_dmat;
 
        /* set defaults */
-       for (i = 0; i < 3; i++) {
+       for (i = 0; i < OMAP_HS_USB_PORTS; i++) {
                sc->phy_reset[i] = 0;
                sc->port_mode[i] = EHCI_HCD_OMAP_MODE_UNKNOWN;
                sc->reset_gpio_pin[i] = -1;
@@ -125,32 +148,62 @@ omehci_attach(struct device *parent, struct device *self, void *aux)
        {
        case BOARD_ID_OMAP4_PANDA:
                sc->tll_avail = 0;
-               sc->port_mode[0] = EHCI_HCD_OMAP_MODE_PHY;
                sc->early_init = omehci_v4_early_init;
                break;
        default:
                break;
        }
 
+       strlcpy(name, "portX-mode", sizeof(name));
+
+       for (i = 0; i < OMAP_HS_USB_PORTS; i++) {
+               name[4] = '1' + i;
+               memset(port_mode, 0, sizeof(port_mode));
+
+               if (OF_getprop(faa->fa_node, name, port_mode,
+                   sizeof(port_mode)) == -1)
+                       continue;
+
+               if (strcmp(port_mode, "ehci-phy") == 0)
+                       sc->port_mode[i] = EHCI_HCD_OMAP_MODE_PHY;
+               if (strcmp(port_mode, "ehci-hsic") == 0)
+                       sc->port_mode[i] = EHCI_HCD_OMAP_MODE_HSIC;
+               if (strcmp(port_mode, "ehci-tll") == 0)
+                       sc->port_mode[i] = EHCI_HCD_OMAP_MODE_TLL ;
+       }
+
+       for (node = OF_child(faa->fa_node); node; node = OF_peer(node)) {
+               if (OF_is_compatible(node, "ti,ehci-omap"))
+                       break;
+       }
+
+       if (node == 0)
+               panic("could not find ehci child node");
+
+       if (OF_getpropintarray(node, "reg", reg, sizeof(reg)) != sizeof(reg))
+               return;
+
        /* Map I/O space */
-       if (bus_space_map(sc->sc.iot, aa->aa_dev->mem[0].addr,
-               aa->aa_dev->mem[0].size, 0, &sc->sc.ioh)) {
+       if (bus_space_map(sc->sc.iot, reg[0], reg[1], 0, &sc->sc.ioh)) {
                printf(": cannot map mem space\n");
                goto out;
        }
+       sc->sc.sc_size = reg[1];
 
-       if (bus_space_map(sc->sc.iot, aa->aa_dev->mem[1].addr,
-               aa->aa_dev->mem[1].size, 0, &sc->uhh_ioh)) {
+       if (bus_space_map(sc->sc.iot, faa->fa_reg[0].addr, faa->fa_reg[0].size,
+           0, &sc->uhh_ioh)) {
                printf(": cannot map mem space\n");
                goto mem0;
        }
 
+#if 0
        if (sc->tll_avail &&
            bus_space_map(sc->sc.iot, aa->aa_dev->mem[2].addr,
-               aa->aa_dev->mem[2].size, 0, &sc->tll_ioh)) {
+           aa->aa_dev->mem[2].size, 0, &sc->tll_ioh)) {
                printf(": cannot map mem space\n");
                goto mem1;
        }
+#endif
 
        printf("\n");
 
@@ -164,7 +217,7 @@ omehci_attach(struct device *parent, struct device *self, void *aux)
        sc->sc.sc_offs = EREAD1(&sc->sc, EHCI_CAPLENGTH);
        EOWRITE2(&sc->sc, EHCI_USBINTR, 0);
 
-       sc->sc_ih = arm_intr_establish(aa->aa_dev->irq[0], IPL_USB,
+       sc->sc_ih = arm_intr_establish_fdt(node, IPL_USB,
            ehci_intr, &sc->sc, devname);
        if (sc->sc_ih == NULL) {
                printf(": unable to establish interrupt\n");
@@ -188,9 +241,11 @@ intr:
        arm_intr_disestablish(sc->sc_ih);
        sc->sc_ih = NULL;
 mem2:
+#if 0
        bus_space_unmap(sc->sc.iot, sc->tll_ioh, aa->aa_dev->mem[2].size);
 mem1:
-       bus_space_unmap(sc->sc.iot, sc->uhh_ioh, aa->aa_dev->mem[1].size);
+#endif
+       bus_space_unmap(sc->sc.iot, sc->uhh_ioh, faa->fa_reg[0].size);
 mem0:
        bus_space_unmap(sc->sc.iot, sc->sc.ioh, sc->sc.sc_size);
        sc->sc.sc_size = 0;