diff options
Diffstat (limited to 'src/console/usbdebug_console.c')
| -rw-r--r-- | src/console/usbdebug_console.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/console/usbdebug_console.c b/src/console/usbdebug_console.c index dd61953f8e..9cfb45491a 100644 --- a/src/console/usbdebug_console.c +++ b/src/console/usbdebug_console.c @@ -21,9 +21,12 @@ #include <string.h> #include <console/console.h> #include <usbdebug.h> +#include <device/pci.h> #include <pc80/mc146818rtc.h> static struct ehci_debug_info dbg_info; +static struct device_operations *ehci_drv_ops; +static struct device_operations ehci_dbg_ops; void set_ehci_base(unsigned ehci_base) { @@ -48,6 +51,43 @@ unsigned get_ehci_debug(void) return (unsigned)dbg_info.ehci_debug; } +static void pci_ehci_set_resources(struct device *dev) +{ + struct resource *res; + u32 base; + u32 usb_debug; + + printk(BIOS_DEBUG, "%s EHCI Debug Port hook triggered\n", dev_path(dev)); + usb_debug = get_ehci_debug(); + set_ehci_debug(0); + + if (ehci_drv_ops->set_resources) + ehci_drv_ops->set_resources(dev); + + res = find_resource(dev, EHCI_BAR_INDEX); + set_ehci_debug(usb_debug); + if (!res) return; + base = res->base; + set_ehci_base(base); + report_resource_stored(dev, res, ""); + printk(BIOS_DEBUG, "%s EHCI Debug Port relocated\n", dev_path(dev)); +} + +void pci_ehci_read_resources(struct device *dev) +{ + if (!ehci_drv_ops) { + memcpy(&ehci_dbg_ops, dev->ops, sizeof(ehci_dbg_ops)); + ehci_drv_ops = dev->ops; + ehci_dbg_ops.set_resources = pci_ehci_set_resources; + dev->ops = &ehci_dbg_ops; + printk(BIOS_DEBUG, "%s EHCI BAR hook registered\n", dev_path(dev)); + } else { + printk(BIOS_DEBUG, "More than one caller of %s from %s\n", __func__, dev_path(dev)); + } + + pci_dev_read_resources(dev); +} + static void dbgp_init(void) { #if !CONFIG_EARLY_CONSOLE |