grub2/0029-arm_coreboot-Support-EHCI.patch
Peter Jones fa8b2484d0 Change TSC calibration driver preference (prefer pmtimer over PIT)
- Pull in fixes for TSC calibration driver preference (prefer pmtimer
  over PIT) to boot on Apollo Lake systems with no PIT
- Fix pmtimer calibration to not take forever to fail on kvm.

Signed-off-by: Peter Jones <pjones@redhat.com>
2018-01-17 14:42:29 -05:00

124 lines
3.7 KiB
Diff

From d11ced1e1fb93676942e51618eb53c140f541890 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Mon, 8 May 2017 22:14:28 +0200
Subject: [PATCH 029/198] arm_coreboot: Support EHCI.
---
gentpl.py | 2 +-
grub-core/Makefile.core.def | 2 ++
grub-core/bus/usb/ehci-fdt.c | 45 ++++++++++++++++++++++++++++++++++++++++++++
grub-core/bus/usb/usbtrans.c | 2 +-
include/grub/usb.h | 4 ++++
5 files changed, 53 insertions(+), 2 deletions(-)
create mode 100644 grub-core/bus/usb/ehci-fdt.c
diff --git a/gentpl.py b/gentpl.py
index ed268178b..da67965a4 100644
--- a/gentpl.py
+++ b/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" ]
diff --git a/grub-core/Makefile.core.def b/grub-core/Makefile.core.def
index 4745eb4d9..5ce506597 100644
--- a/grub-core/Makefile.core.def
+++ b/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 = {
diff --git a/grub-core/bus/usb/ehci-fdt.c b/grub-core/bus/usb/ehci-fdt.c
new file mode 100644
index 000000000..29b50bdd5
--- /dev/null
+++ b/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);
+}
diff --git a/grub-core/bus/usb/usbtrans.c b/grub-core/bus/usb/usbtrans.c
index 9266e4931..85f081fff 100644
--- a/grub-core/bus/usb/usbtrans.c
+++ b/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>
diff --git a/include/grub/usb.h b/include/grub/usb.h
index 11d96481f..512ae1dd0 100644
--- a/include/grub/usb.h
+++ b/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 */
--
2.14.3