You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
3.0 KiB
96 lines
3.0 KiB
15 years ago
|
From cb33ffbdd8491c58b35958ec74c39b3a5c7fabe8 Mon Sep 17 00:00:00 2001
|
||
|
|
From: Hauke Mehrtens <hauke@hauke-m.de>
|
||
|
|
Date: Sun, 18 Jul 2010 21:25:03 +0200
|
||
|
|
Subject: [PATCH 1/2] USB: Add USB 2.0 to ssb ohci driver
|
||
|
|
|
||
|
|
This adds USB 2.0 support to ssb ohci driver.
|
||
|
|
This work was done based on Braodcom source code in the OpenWRT project.
|
||
|
|
|
||
|
|
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
|
||
|
|
---
|
||
|
|
drivers/usb/host/ohci-ssb.c | 55 ++++++++++++++++++++++++++++++++++++++++--
|
||
|
|
1 files changed, 52 insertions(+), 3 deletions(-)
|
||
|
|
|
||
|
|
--- a/drivers/usb/host/ohci-ssb.c
|
||
|
|
+++ b/drivers/usb/host/ohci-ssb.c
|
||
|
|
@@ -92,9 +92,12 @@ static const struct hc_driver ssb_ohci_h
|
||
|
|
static void ssb_ohci_detach(struct ssb_device *dev)
|
||
|
|
{
|
||
|
|
struct usb_hcd *hcd = ssb_get_drvdata(dev);
|
||
|
|
+ if (hcd->driver->shutdown)
|
||
|
|
+ hcd->driver->shutdown(hcd);
|
||
|
|
|
||
|
|
usb_remove_hcd(hcd);
|
||
|
|
iounmap(hcd->regs);
|
||
|
|
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
|
||
|
|
usb_put_hcd(hcd);
|
||
|
|
ssb_device_disable(dev, 0);
|
||
|
|
}
|
||
|
|
@@ -106,10 +109,55 @@ static int ssb_ohci_attach(struct ssb_de
|
||
|
|
int err = -ENOMEM;
|
||
|
|
u32 tmp, flags = 0;
|
||
|
|
|
||
|
|
- if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV)
|
||
|
|
- flags |= SSB_OHCI_TMSLOW_HOSTMODE;
|
||
|
|
+ if (dma_set_mask(dev->dma_dev, DMA_BIT_MASK(32)) ||
|
||
|
|
+ dma_set_coherent_mask(dev->dma_dev, DMA_BIT_MASK(32)))
|
||
|
|
+ return -EOPNOTSUPP;
|
||
|
|
|
||
|
|
- ssb_device_enable(dev, flags);
|
||
|
|
+ if (dev->id.coreid == SSB_DEV_USB11_HOSTDEV) {
|
||
|
|
+ /* Put the device into host-mode. */
|
||
|
|
+ flags |= SSB_OHCI_TMSLOW_HOSTMODE;
|
||
|
|
+ ssb_device_enable(dev, flags);
|
||
|
|
+ } else if (dev->id.coreid == SSB_DEV_USB20_HOST) {
|
||
|
|
+ /*
|
||
|
|
+ * USB 2.0 special considerations:
|
||
|
|
+ *
|
||
|
|
+ * 1. Since the core supports both ehci and EHCI functions, it must
|
||
|
|
+ * only be reset once.
|
||
|
|
+ *
|
||
|
|
+ * 2. In addition to the standard SSB reset sequence, the Host Control
|
||
|
|
+ * Register must be programmed to bring the USB core and various
|
||
|
|
+ * phy components out of reset.
|
||
|
|
+ */
|
||
|
|
+ ssb_device_enable(dev, 0);
|
||
|
|
+ ssb_write32(dev, 0x200, 0x7ff);
|
||
|
|
+
|
||
|
|
+ /* Change Flush control reg */
|
||
|
|
+ tmp = ssb_read32(dev, 0x400);
|
||
|
|
+ tmp &= ~8;
|
||
|
|
+ ssb_write32(dev, 0x400, tmp);
|
||
|
|
+ tmp = ssb_read32(dev, 0x400);
|
||
|
|
+
|
||
|
|
+ /* Change Shim control reg */
|
||
|
|
+ tmp = ssb_read32(dev, 0x304);
|
||
|
|
+ tmp &= ~0x100;
|
||
|
|
+ ssb_write32(dev, 0x304, tmp);
|
||
|
|
+ tmp = ssb_read32(dev, 0x304);
|
||
|
|
+
|
||
|
|
+ udelay(1);
|
||
|
|
+
|
||
|
|
+ /* Work around for 5354 failures */
|
||
|
|
+ if ((dev->id.revision == 2) && (dev->bus->chip_id == 0x5354)) {
|
||
|
|
+ /* Change syn01 reg */
|
||
|
|
+ tmp = 0x00fe00fe;
|
||
|
|
+ ssb_write32(dev, 0x894, tmp);
|
||
|
|
+
|
||
|
|
+ /* Change syn03 reg */
|
||
|
|
+ tmp = ssb_read32(dev, 0x89c);
|
||
|
|
+ tmp |= 0x1;
|
||
|
|
+ ssb_write32(dev, 0x89c, tmp);
|
||
|
|
+ }
|
||
|
|
+ } else
|
||
|
|
+ ssb_device_enable(dev, 0);
|
||
|
|
|
||
|
|
hcd = usb_create_hcd(&ssb_ohci_hc_driver, dev->dev,
|
||
|
|
dev_name(dev->dev));
|
||
|
|
@@ -200,6 +248,7 @@ static int ssb_ohci_resume(struct ssb_de
|
||
|
|
static const struct ssb_device_id ssb_ohci_table[] = {
|
||
|
|
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOSTDEV, SSB_ANY_REV),
|
||
|
|
SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB11_HOST, SSB_ANY_REV),
|
||
|
|
+ SSB_DEVICE(SSB_VENDOR_BROADCOM, SSB_DEV_USB20_HOST, SSB_ANY_REV),
|
||
|
|
SSB_DEVTABLE_END
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(ssb, ssb_ohci_table);
|