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authorFelix Fietkau <nbd@nbd.name>2017-08-03 12:43:49 +0100
committerFelix Fietkau <nbd@nbd.name>2017-10-07 09:18:40 +0200
commit00ea16557da754a769d6f7909a85baa3ad387f0a (patch)
tree18956a93da82f0ef965fdc77f8fa0d02a7e98268 /target/linux/ar71xx
parentc0882035353238b061369fcff4bb1e248409e71a (diff)
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ar71xx: rework chipidea usb controller patch
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>
Diffstat (limited to 'target/linux/ar71xx')
-rw-r--r--target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch57
1 files changed, 44 insertions, 13 deletions
diff --git a/target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch b/target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch
index 1a78af0779..740ffec4ac 100644
--- a/target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch
+++ b/target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch
@@ -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;
-+ ar933x_usb_setup_ctrl_config();
++ 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)