Readds Juniper Networks original Philips PCI driver. (Untested)
Signed-off-by: Tor Krill tor@excito.com --- drivers/usb/usb_ehci_pci.c | 135 ++++++++++++++++++++++++++++++++++++++++++++ drivers/usb/usb_ehci_pci.h | 37 ++++++++++++ 2 files changed, 172 insertions(+), 0 deletions(-) create mode 100644 drivers/usb/usb_ehci_pci.c create mode 100644 drivers/usb/usb_ehci_pci.h
diff --git a/drivers/usb/usb_ehci_pci.c b/drivers/usb/usb_ehci_pci.c new file mode 100644 index 0000000..d652122 --- /dev/null +++ b/drivers/usb/usb_ehci_pci.c @@ -0,0 +1,135 @@ +/*- + * Copyright (c) 2007-2008, Juniper Networks, Inc. + * All rights reserved. + * + * 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 version 2 of + * the License. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <pci.h> +#include <usb.h> +#include "usb_ehci.h" +#include "usb_ehci_pci.h" +#include "usb_ehci_core.h" + +#ifdef EHCI_DEBUG +static void dump_pci_reg (pci_dev_t dev, int ofs) +{ + uint32_t reg; + + pci_read_config_dword (dev, ofs, ®); + printf ("\t0x%02x: %08x\n", ofs, reg); +} + +static void dump_pci (int enh, pci_dev_t dev) +{ + int ofs; + + debug ("\n%s", (enh) ? "EHCI" : "OHCI"); + for (ofs = 0; ofs < 0x44; ofs += 4) + dump_pci_reg (dev, ofs); + if (enh) + dump_pci_reg (dev, 0x60); + dump_pci_reg (dev, 0xdc); + dump_pci_reg (dev, 0xe0); + if (enh) { + dump_pci_reg (dev, 0xe4); + dump_pci_reg (dev, 0xe8); + } +} + +static void dump_regs (void) +{ + + debug ("usbcmd=%#x, usbsts=%#x, usbintr=%#x,\n\tfrindex=%#x, " + "ctrldssegment=%#x, periodiclistbase=%#x,\n\tasynclistaddr=%#x, " + "configflag=%#x,\n\tportsc[1]=%#x, portsc[2]=%#x, systune=%#x", + swap_32 (hcor->or_usbcmd), swap_32 (hcor->or_usbsts), + swap_32 (hcor->or_usbintr), swap_32 (hcor->or_frindex), + swap_32 (hcor->or_ctrldssegment), + swap_32 (hcor->or_periodiclistbase), + swap_32 (hcor->or_asynclistaddr), swap_32 (hcor->or_configflag), + swap_32 (hcor->or_portsc[0]), swap_32 (hcor->or_portsc[1]), + swap_32 (hcor->or_systune)); +} + +static void dump_TD (struct qTD *td) +{ + + debug ("%p: qt_next=%#x, qt_altnext=%#x, qt_token=%#x, " + "qt_buffer={%#x,%#x,%#x,%#x,%#x}", td, swap_32 (td->qt_next), + swap_32 (td->qt_altnext), swap_32 (td->qt_token), + swap_32 (td->qt_buffer[0]), swap_32 (td->qt_buffer[1]), + swap_32 (td->qt_buffer[2]), swap_32 (td->qt_buffer[3]), + swap_32 (td->qt_buffer[4])); +} + +static void dump_QH (struct QH *qh) +{ + + debug ("%p: qh_link=%#x, qh_endpt1=%#x, qh_endpt2=%#x, qh_curtd=%#x", + qh, swap_32 (qh->qh_link), swap_32 (qh->qh_endpt1), + swap_32 (qh->qh_endpt2), swap_32 (qh->qh_curtd)); + dump_TD (&qh->qh_overlay); +} +#endif + +/* + * Create the appropriate control structures to manage + * a new EHCI host controller. + */ +int ehci_hcd_init (void) +{ + pci_dev_t dev; + uint32_t addr; + + dev = pci_find_device (0x1131, 0x1561, 0); + if (dev != -1) { + volatile uint32_t *hcreg; + + pci_read_config_dword (dev, PCI_BASE_ADDRESS_0, &addr); + hcreg = (uint32_t *) (addr + 8); + *hcreg = swap_32 (1); + udelay (100); + } + + dev = pci_find_device (0x1131, 0x1562, 0); + if (dev == -1) { + printf ("EHCI host controller not found\n"); + return (-1); + } + + pci_read_config_dword (dev, EHCI_PCICS_USBBASE, &addr); + hccr = (void *)addr; + + addr += hccr->cr_caplength; + hcor = (void *)addr; + + /* Latte/Espresso USB hardware bug workaround */ + hcor->or_systune |= swap_32 (3); + + return (0); +} + +/* + * Destroy the appropriate control structures corresponding + * the the EHCI host controller. + */ +int ehci_hcd_stop (void) +{ + + return (0); +} diff --git a/drivers/usb/usb_ehci_pci.h b/drivers/usb/usb_ehci_pci.h new file mode 100644 index 0000000..6a4d16e --- /dev/null +++ b/drivers/usb/usb_ehci_pci.h @@ -0,0 +1,37 @@ +/*- + * Copyright (c) 2007-2008, Juniper Networks, Inc. + * All rights reserved. + * + * 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 version 2 of + * the License. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* + * PCI Configuration Space. + */ +#define EHCI_PCICS_BASEC PCI_CLASS_CODE +#define EHCI_PCICS_SCC PCI_CLASS_SUB_CODE +#define EHCI_PCICS_PI PCI_CLASS_PROG +#define EHCI_PCICS_USBBASE PCI_BASE_ADDRESS_0 +#define EHCI_PCICS_SBRN 0x60 +#define EHCI_PCICS_FLADJ 0x61 +#define EHCI_PCICS_PORTWAKECAP 0x62 + +#define EHCI_PCICS_USBLEGSUP +#define EHCI_PCICS_USBLEGCTLSTS + +#define EHCI_PCI_BASEC 0x0c /* Serial Bus Controller. */ +#define EHCI_PCI_SCC 0x03 /* USB Host Controller. */ +#define EHCI_PCI_PI 0x20 /* USB 2.0 Host Controller. */