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ar71xx: rework chipidea usb controller patch

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Handle AR9344 as well. Disable the EHCI platform device when device mode
is active, to avoid resource conflicts.

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Kevin Darbyshire-Bryant <kevin@darbyshire-bryant.me.uk>
This commit is contained in:
Felix Fietkau 2017-08-03 12:43:49 +01:00
parent c088203535
commit 00ea16557d
1 changed files with 44 additions and 13 deletions
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55
target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch
View file

@ -29,7 +29,7 @@
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
@@ -170,6 +173,51 @@ static void __init ar913x_usb_setup(void
@@ -170,6 +173,67 @@ static void __init ar913x_usb_setup(void
&ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
}
@ -46,22 +46,29 @@
+ iounmap(usb_ctrl_base);
+}
+
+static void __init ar933x_ci_usb_setup(void)
+static void __init ar9xxx_ci_usb_setup(void)
+{
+ struct ci_hdrc_platform_data ci_pdata;
+ enum usb_dr_mode dr_mode;
+ u32 bootstrap;
+ bool host_mode = true;
+
+ bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
+ if (bootstrap & AR933X_BOOTSTRAP_USB_MODE_HOST) {
+ if (soc_is_ar933x())
+ host_mode = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP) &
+ AR933X_BOOTSTRAP_USB_MODE_HOST;
+ else if (soc_is_ar934x() || soc_is_qca955x())
+ host_mode = !(ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP) &
+ AR934X_BOOTSTRAP_USB_MODE_DEVICE);
+
+ if (host_mode) {
+ dr_mode = USB_DR_MODE_HOST;
+ } else {
+ dr_mode = USB_DR_MODE_PERIPHERAL;
+ if (soc_is_ar933x())
+ ar933x_usb_setup_ctrl_config();
+ }
+
+ memset(&ci_pdata, 0, sizeof(ci_pdata));
+ ci_pdata.name = "ci_hdrc_ar933x";
+ ci_pdata.name = "ci_hdrc_ar9xxx";
+ ci_pdata.capoffset = DEF_CAPOFFSET;
+ ci_pdata.dr_mode = dr_mode;
+ ci_pdata.flags = CI_HDRC_DUAL_ROLE_NOT_OTG | CI_HDRC_DP_ALWAYS_PULLUP;
@ -76,17 +83,41 @@
+ AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
+ ATH79_CPU_IRQ(3),
+ &ci_pdata, sizeof(ci_pdata));
+
+ if (!host_mode)
+ return;
+
+ ath79_usb_register("ehci-platform", -1,
+ AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
+ ATH79_CPU_IRQ(3),
+ &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+
+}
+
static void __init ar933x_usb_setup(void)
{
ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE);
@@ -185,6 +233,8 @@ static void __init ar933x_usb_setup(void
AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
ATH79_CPU_IRQ(3),
&ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+
+ ar933x_ci_usb_setup();
@@ -181,10 +245,7 @@ static void __init ar933x_usb_setup(void
ath79_device_reset_clear(AR933X_RESET_USB_PHY);
mdelay(10);
- ath79_usb_register("ehci-platform", -1,
- AR933X_EHCI_BASE, AR933X_EHCI_SIZE,
- ATH79_CPU_IRQ(3),
- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+ ar9xxx_ci_usb_setup();
}
static void enable_tx_tx_idp_violation_fix(unsigned base)
@@ -230,10 +291,7 @@ static void __init ar934x_usb_setup(void
if (ath79_soc_rev >= 3)
ath79_ehci_pdata_v2.reset_notifier = ar934x_usb_reset_notifier;
- ath79_usb_register("ehci-platform", -1,
- AR934X_EHCI_BASE, AR934X_EHCI_SIZE,
- ATH79_CPU_IRQ(3),
- &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2));
+ ar9xxx_ci_usb_setup();
}
static void __init qca953x_usb_setup(void)