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ar71xx: enable usb quirks for all chipidea based devices 

The most important one is qca_force_host_mode, which also sets the
'Stream Disable' bit in the usbmode register.

Fixes usb stability issues on AR933x and AR7241/AR7242

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@40841 3c298f89-4303-0410-b956-a3cf2f4a3e73
master
Felix Fietkau 2014-05-24 08:01:42 +00:00
parent 5352064817
commit 30c105064f
1 changed files with 19 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
target/linux/ar71xx/patches-3.10/525-MIPS-ath79-enable-qca-usb-quirks.patch
View File

@ -1,6 +1,15 @@
--- a/arch/mips/ath79/dev-usb.c
+++ b/arch/mips/ath79/dev-usb.c
@@ -182,14 +182,34 @@ static void __init ar933x_usb_setup(void
@@ -37,6 +37,8 @@ static struct usb_ehci_pdata ath79_ehci_
static struct usb_ehci_pdata ath79_ehci_pdata_v2 = {
.caps_offset = 0x100,
.has_tt = 1,
+ .qca_force_host_mode = 1,
+ .qca_force_16bit_ptw = 1,
};
static void __init ath79_usb_register(const char *name, int id,
@@ -182,14 +184,34 @@ static void __init ar933x_usb_setup(void
&ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
}
@ -10,11 +19,13 @@
- u32 bootstrap;
+ void __iomem *phy_reg;
+ u32 t;
+
- bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);
- if (bootstrap & AR934X_BOOTSTRAP_USB_MODE_DEVICE)
+ phy_reg = ioremap(base, 4);
+ if (!phy_reg)
+ return;
+
return;
+ t = ioread32(phy_reg);
+ t &= ~0xff;
+ t |= 0x58;
@ -22,14 +33,12 @@
+
+ iounmap(phy_reg);
+}
- bootstrap = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP);
- if (bootstrap & AR934X_BOOTSTRAP_USB_MODE_DEVICE)
+
+static void ar934x_usb_reset_notifier(struct platform_device *pdev)
+{
+ if (pdev->id != -1)
return;
+ return;
+
+ enable_tx_tx_idp_violation_fix(0x18116c94);
+ dev_info(&pdev->dev, "TX-TX IDP fix enabled\n");
+}
@ -39,12 +48,10 @@
ath79_device_reset_set(AR934X_RESET_USBSUS_OVERRIDE);
udelay(1000);
@@ -202,14 +222,44 @@ static void __init ar934x_usb_setup(void
@@ -202,14 +224,40 @@ static void __init ar934x_usb_setup(void
ath79_device_reset_clear(AR934X_RESET_USB_HOST);
udelay(1000);
+ ath79_ehci_pdata_v2.qca_force_host_mode = 1;
+ ath79_ehci_pdata_v2.qca_force_16bit_ptw = 1;
+ if (ath79_soc_rev >= 3)
+ ath79_ehci_pdata_v2.reset_notifier = ar934x_usb_reset_notifier;
+
@ -77,8 +84,6 @@
+
static void __init qca955x_usb_setup(void)
{
+ ath79_ehci_pdata_v2.qca_force_host_mode = 1;
+ ath79_ehci_pdata_v2.qca_force_16bit_ptw = 1;
+ ath79_ehci_pdata_v2.reset_notifier = qca955x_usb_reset_notifier;
+
ath79_usb_register("ehci-platform", 0,