From b56f2d0ad4bfc81e7ef5ffd406c652f2c3bd954a Mon Sep 17 00:00:00 2001 From: Stefan Reinauer Date: Thu, 25 Mar 2010 22:17:36 +0000 Subject: USB updates from our internal tree - support MMC2 devices - make usb stack more solid - drop some unused functions - fix lowspeed/speed naming - add support for "quirks" - improve usbhid driver Signed-off-by: Stefan Reinauer Acked-by: Joseph Smith git-svn-id: svn://svn.coreboot.org/coreboot/trunk@5299 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- payloads/libpayload/drivers/usb/usbinit.c | 43 +++++++++++++++++++++++-------- 1 file changed, 32 insertions(+), 11 deletions(-) (limited to 'payloads/libpayload/drivers/usb/usbinit.c') diff --git a/payloads/libpayload/drivers/usb/usbinit.c b/payloads/libpayload/drivers/usb/usbinit.c index ead98469f7..adaba34602 100644 --- a/payloads/libpayload/drivers/usb/usbinit.c +++ b/payloads/libpayload/drivers/usb/usbinit.c @@ -1,7 +1,7 @@ /* * This file is part of the libpayload project. * - * Copyright (C) 2008 coresystems GmbH + * Copyright (C) 2008-2010 coresystems GmbH * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -30,6 +30,9 @@ #include #include #include "uhci.h" +//#include "ohci.h" +//#include "ehci.h" +//#include "xhci.h" #include /** @@ -58,20 +61,19 @@ usb_controller_initialize (int bus, int dev, int func) /* enable busmaster */ #define PCI_COMMAND 4 #define PCI_COMMAND_MASTER 4 - pci_write_config32 (addr, PCI_COMMAND, - pci_read_config32 (addr, - PCI_COMMAND) | - PCI_COMMAND_MASTER); - if (devclass == 0xc03) { + u32 pci_command; + + pci_command =pci_read_config32(addr, PCI_COMMAND); + pci_command |= PCI_COMMAND_MASTER; + pci_write_config32(addr, PCI_COMMAND, pci_command); + printf ("%02x:%02x.%x %04x:%04x.%d ", 0, dev, func, pciid >> 16, pciid & 0xFFFF, func); if (prog_if == 0) { printf ("UHCI controller\n"); #ifdef CONFIG_USB_UHCI uhci_init (addr); - usb_poll (); - usb_poll (); #else printf ("Not supported.\n"); #endif @@ -79,7 +81,8 @@ usb_controller_initialize (int bus, int dev, int func) if (prog_if == 0x10) { printf ("OHCI controller\n"); #ifdef CONFIG_USB_OHCI - // ohci_init(addr); + //ohci_init(addr); + printf ("Not supported.\n"); #else printf ("Not supported.\n"); #endif @@ -88,7 +91,18 @@ usb_controller_initialize (int bus, int dev, int func) if (prog_if == 0x20) { printf ("EHCI controller\n"); #ifdef CONFIG_USB_EHCI - // ehci_init(addr); + //ehci_init(addr); + printf ("Not supported.\n"); +#else + printf ("Not supported.\n"); +#endif + + } + if (prog_if == 0x30) { + printf ("XHCI controller\n"); +#ifdef CONFIG_USB_XHCI + //xhci_init(addr); + printf ("Not supported.\n"); #else printf ("Not supported.\n"); #endif @@ -106,10 +120,17 @@ int usb_initialize (void) { int bus, dev, func; + /* EHCI is defined by standards to be at a + * higher function than the USB1 controllers. + * We don't want to init USB1 + devices just to + * "steal" those for USB2, so make sure USB2 + * comes first. + */ for (bus = 0; bus < 256; bus++) for (dev = 0; dev < 32; dev++) - for (func = 0; func < 8; func++) + for (func = 7; func >= 0 ; func--) usb_controller_initialize (bus, dev, func); + usb_poll(); return 0; } -- cgit v1.2.3