diff options
Diffstat (limited to 'target/linux/coldfire/patches/089-m547x_8x_pci_reset_usb_fix.patch')
| -rw-r--r-- | target/linux/coldfire/patches/089-m547x_8x_pci_reset_usb_fix.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/target/linux/coldfire/patches/089-m547x_8x_pci_reset_usb_fix.patch b/target/linux/coldfire/patches/089-m547x_8x_pci_reset_usb_fix.patch deleted file mode 100644 index 79a1e3930e..0000000000 --- a/target/linux/coldfire/patches/089-m547x_8x_pci_reset_usb_fix.patch +++ /dev/null @@ -1,49 +0,0 @@ -Bugzilla 1647. This patch resets PCI which fixes the USB problem on mcf5475. - -Set PCI registers MCF_PCIGSCR and MCF_PCITCR to their reset defaults. -This fixes the USB problem and enables other PCI cards, such as PCI -network to function properly. - -Original work of Matt Waddel -Signed-off-by: Ross Wille - ---- a/arch/m68k/coldfire/mcf548x-pci.c -+++ b/arch/m68k/coldfire/mcf548x-pci.c -@@ -1,5 +1,23 @@ - /* - * ColdFire 547x/548x PCI Host Controller functions -+ * -+ * Copyright (c) 2005-2008 Freescale Semiconductor, Inc. -+ * -+ * This code is based on the 2.6.10 version of pci.c -+ * -+ * This program 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 2 of the License, or -+ * (at your option) any later version. -+ * -+ * This program 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 this program; if not, write to the Free Software -+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - #include <linux/kernel.h> - #include <linux/types.h> -@@ -815,6 +833,13 @@ struct pci_bus_info *__init init_coldfir - return NULL; - } - -+ /* Must Reset!!! If bootloader has PCI enabled, it will cause -+ * problem in linux when it tries to configure/find resources -+ * for the pci devices. Both registers need to be reset. -+ */ -+ MCF_PCIGSCR = 0x1; -+ MCF_PCITCR = 0x00000000; -+ - /* Set up the arbiter */ - MCF_PCIARB_PACR = 0 /*MCF_PCIARB_PACR_PKMD*/ - | MCF_PCIARB_PACR_INTMPRI |