arm_coreboot: Support EHCI.

gentpl.py

@@ -63,7 +63,7 @@ GROUPS["cmos"] = GROUPS["x86"][:] + ["mips_loongson", "mips_qemu_mips",
                                      "sparc64_ieee1275", "powerpc_ieee1275"]
 GROUPS["cmos"].remove("i386_efi"); GROUPS["cmos"].remove("x86_64_efi");
 GROUPS["pci"]      = GROUPS["x86"] + ["mips_loongson"]
-GROUPS["usb"]      = GROUPS["pci"]
+GROUPS["usb"]      = GROUPS["pci"] + ["arm_coreboot"]
 
 # If gfxterm is main output console integrate it into kernel
 GROUPS["videoinkernel"] = ["mips_loongson", "i386_coreboot", "arm_coreboot" ]

grub-core/Makefile.core.def

@@ -593,8 +593,10 @@ module = {
 module = {
   name = ehci;
   common = bus/usb/ehci.c;
+  arm_coreboot = bus/usb/ehci-fdt.c;
   pci = bus/usb/ehci-pci.c;
   enable = pci;
+  enable = arm_coreboot;
 };
 
 module = {

grub-core/bus/usb/ehci-fdt.c

@@ -0,0 +1,45 @@
+/* ehci.c - EHCI Support.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2011  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/misc.h>
+#include <grub/mm.h>
+#include <grub/time.h>
+#include <grub/usb.h>
+#include <grub/fdtbus.h>
+
+static grub_err_t
+ehci_attach(const struct grub_fdtbus_dev *dev)
+{
+  grub_dprintf ("ehci", "Found generic-ehci\n");
+
+  grub_ehci_init_device (grub_fdtbus_map_reg (dev, 0, 0));
+  return 0;
+}
+
+struct grub_fdtbus_driver ehci =
+{
+  .compatible = "generic-ehci",
+  .attach = ehci_attach
+};
+
+void
+grub_ehci_pci_scan (void)
+{
+  grub_fdtbus_register (&ehci);
+}

grub-core/bus/usb/usbtrans.c

@@ -18,7 +18,7 @@
  */
 
 #include <grub/dl.h>
-#include <grub/pci.h>
+#include <grub/dma.h>
 #include <grub/mm.h>
 #include <grub/misc.h>
 #include <grub/usb.h>

include/grub/usb.h

@@ -321,5 +321,9 @@ grub_usb_err_t
 grub_usb_check_transfer (grub_usb_transfer_t trans, grub_size_t *actual);
 void
 grub_usb_cancel_transfer (grub_usb_transfer_t trans);
+void
+grub_ehci_init_device (volatile void *regs);
+void
+grub_ehci_pci_scan (void);
 
 #endif /* GRUB_USB_H */