2 * PS3 OHCI Host Controller driver
4 * Copyright (C) 2006 Sony Computer Entertainment Inc.
5 * Copyright 2006 Sony Corp.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 static int ps3_ohci_hc_reset(struct usb_hcd
*hcd
)
25 struct ohci_hcd
*ohci
= hcd_to_ohci(hcd
);
27 ohci
->flags
|= OHCI_QUIRK_BE_MMIO
;
29 return ohci_init(ohci
);
32 static int __devinit
ps3_ohci_hc_start(struct usb_hcd
*hcd
)
35 struct ohci_hcd
*ohci
= hcd_to_ohci(hcd
);
37 /* Handle root hub init quirk in spider south bridge. */
38 /* Also set PwrOn2PwrGood to 0x7f (254ms). */
40 ohci_writel(ohci
, 0x7f000000 | RH_A_PSM
| RH_A_OCPM
,
41 &ohci
->regs
->roothub
.a
);
42 ohci_writel(ohci
, 0x00060000, &ohci
->regs
->roothub
.b
);
44 result
= ohci_run(ohci
);
47 err("can't start %s", hcd
->self
.bus_name
);
54 static const struct hc_driver ps3_ohci_hc_driver
= {
55 .description
= hcd_name
,
56 .product_desc
= "PS3 OHCI Host Controller",
57 .hcd_priv_size
= sizeof(struct ohci_hcd
),
59 .flags
= HCD_MEMORY
| HCD_USB11
,
60 .reset
= ps3_ohci_hc_reset
,
61 .start
= ps3_ohci_hc_start
,
63 .shutdown
= ohci_shutdown
,
64 .urb_enqueue
= ohci_urb_enqueue
,
65 .urb_dequeue
= ohci_urb_dequeue
,
66 .endpoint_disable
= ohci_endpoint_disable
,
67 .get_frame_number
= ohci_get_frame
,
68 .hub_status_data
= ohci_hub_status_data
,
69 .hub_control
= ohci_hub_control
,
70 .hub_irq_enable
= ohci_rhsc_enable
,
71 .start_port_reset
= ohci_start_port_reset
,
72 #if defined(CONFIG_PM)
73 .bus_suspend
= ohci_bus_suspend
,
74 .bus_resume
= ohci_bus_resume
,
78 /* redefine dev_dbg to do a syntax check */
82 static inline int __attribute__ ((format (printf
, 2, 3))) dev_dbg(
83 const struct device
*_dev
, const char *fmt
, ...) {return 0;}
86 static int ps3_ohci_sb_probe(struct ps3_system_bus_device
*dev
)
91 static u64 dummy_mask
= DMA_32BIT_MASK
;
98 result
= ps3_mmio_region_create(dev
->m_region
);
101 dev_dbg(&dev
->core
, "%s:%d: ps3_map_mmio_region failed\n",
107 dev_dbg(&dev
->core
, "%s:%d: mmio mapped_addr %lxh\n", __func__
,
108 __LINE__
, dev
->m_region
->lpar_addr
);
110 result
= ps3_alloc_io_irq(PS3_BINDING_CPU_ANY
, dev
->interrupt_id
, &virq
);
113 dev_dbg(&dev
->core
, "%s:%d: ps3_construct_io_irq(%d) failed.\n",
114 __func__
, __LINE__
, virq
);
119 dev
->core
.power
.power_state
= PMSG_ON
;
120 dev
->core
.dma_mask
= &dummy_mask
; /* FIXME: for improper usb code */
122 hcd
= usb_create_hcd(&ps3_ohci_hc_driver
, &dev
->core
, dev
->core
.bus_id
);
125 dev_dbg(&dev
->core
, "%s:%d: usb_create_hcd failed\n", __func__
,
128 goto fail_create_hcd
;
131 hcd
->rsrc_start
= dev
->m_region
->lpar_addr
;
132 hcd
->rsrc_len
= dev
->m_region
->len
;
133 hcd
->regs
= ioremap(dev
->m_region
->lpar_addr
, dev
->m_region
->len
);
136 dev_dbg(&dev
->core
, "%s:%d: ioremap failed\n", __func__
,
142 dev_dbg(&dev
->core
, "%s:%d: hcd->rsrc_start %lxh\n", __func__
, __LINE__
,
143 (unsigned long)hcd
->rsrc_start
);
144 dev_dbg(&dev
->core
, "%s:%d: hcd->rsrc_len %lxh\n", __func__
, __LINE__
,
145 (unsigned long)hcd
->rsrc_len
);
146 dev_dbg(&dev
->core
, "%s:%d: hcd->regs %lxh\n", __func__
, __LINE__
,
147 (unsigned long)hcd
->regs
);
148 dev_dbg(&dev
->core
, "%s:%d: virq %lu\n", __func__
, __LINE__
,
149 (unsigned long)virq
);
151 ps3_system_bus_set_driver_data(dev
, hcd
);
153 result
= usb_add_hcd(hcd
, virq
, IRQF_DISABLED
);
156 dev_dbg(&dev
->core
, "%s:%d: usb_add_hcd failed (%d)\n",
157 __func__
, __LINE__
, result
);
168 ps3_free_io_irq(virq
);
170 ps3_free_mmio_region(dev
->m_region
);
176 static int ps3_ohci_sb_remove (struct ps3_system_bus_device
*dev
)
178 struct usb_hcd
*hcd
=
179 (struct usb_hcd
*)ps3_system_bus_get_driver_data(dev
);
182 ps3_system_bus_set_driver_data(dev
, NULL
);
187 MODULE_ALIAS("ps3-ohci");
189 static struct ps3_system_bus_driver ps3_ohci_sb_driver
= {
190 .match_id
= PS3_MATCH_ID_OHCI
,
192 .name
= "ps3-ohci-driver",
194 .probe
= ps3_ohci_sb_probe
,
195 .remove
= ps3_ohci_sb_remove
,