Hi ,
please notice blow./
On Tuesday, October 29, 2013 09:06 AM, Chris Ruehl wrote:
Hi,
when tried to activate the USB-OTG or USBH2 with the FDT the system oops
[ 1.034403] ehci-mxc: Freescale On-Chip EHCI Host driver
[ 1.041158] Unable to handle kernel NULL pointer dereference at
virtual address 00000000
[ 1.049406] pgd = c0004000
[ 1.052219] [00000000] *pgd=00000000
[ 1.055868] Internal error: Oops: 5 [#1] ARM
[ 1.060167] Modules linked in:
[ 1.063287] CPU: 0 PID: 1 Comm: swapper Not tainted 3.12.0-rc7 #2
[ 1.069429] task: c7836000 ti: c783c000 task.ti: c783c000
[ 1.074888] PC is at fsl_usb2_mph_dr_of_probe+0x314/0x428
[ 1.080342] LR is at platform_device_alloc+0x5c/0x6c
[ 1.085362] pc : [<c028c3b4>] lr : [<c021c5c4>] psr: a0000013
[ 1.085362] sp : c783dd68 ip : 00000000 fp : c783ddf4
[ 1.096888] r10: c7872500 r9 : c79ed600 r8 : 00000002
[ 1.102154] r7 : c0564c40 r6 : 00000000 r5 : c7873110 r4 : c7873100
[ 1.108722] r3 : 00000000 r2 : ffffffff r1 : 00000000 r0 : c79ed600
[ 1.115291] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment
kernel
[ 1.122643] Control: 0005317f Table: a0004000 DAC: 00000017
[ 1.128427] Process swapper (pid: 1, stack limit = 0xc783c1c0)
[ 1.134299] Stack: (0xc783dd68 to 0xc783e000)
[ 1.138718] dd60: c783dd94 c0564c40 c00dac3c 00000000 00000001 00000001
[ 1.146962] dd80: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000010
[ 1.155204] dda0: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 1.163452] ddc0: 00000000 00000000 c783dde4 c7873110 c7873144
c0564c00 c058f0b0 00000000
[ 1.171703] dde0: c783c020 00000000 c783de04 c783ddf8 c021bde0
c028c0b0 c783de24 c783de08
[ 1.179953] de00: c021ab48 c021bdd4 c7873110 c7873144 c0564c00
00000000 c783de44 c783de28
[ 1.188204] de20: c021ad40 c021aaac c021acd0 00000000 c0564c00
c021acd0 c783de6c c783de48
[ 1.196457] de40: c02191c4 c021ace0 c7823f4c c786a450 c79f77b4
c0564c00 c055b2b0 c79f7780
[ 1.204709] de60: c783de7c c783de70 c021a6ac c0219158 c783dea4
c783de80 c021a23c c021a69c
[ 1.212962] de80: c04d71b6 c783de90 c0564c00 c053ae0c c0530264
c0572980 c783debc c783dea8
[ 1.221213] dea0: c021b384 c021a168 00000006 c053ae0c c783decc
c783dec0 c021c3a8 c021b2f0
[ 1.229466] dec0: c783dedc c783ded0 c053027c c021c368 c783df54
c783dee0 c000888c c0530274
[ 1.237719] dee0: c00d2cb8 c00d29c8 c783df0c c783def8 c051b400
c01c8b84 c069ca87 c069ca8c
[ 1.245969] df00: c783df54 c783df10 c002c26c c051b4d8 00000000
c05198fc 00000006 00000006
[ 1.254219] df20: 00000086 c051909c c00313d0 00000006 00000006
c053ae0c c053fb70 c0572980
[ 1.262469] df40: c0572980 00000086 c783df94 c783df58 c051bb50
c0008804 00000006 00000006
[ 1.270717] df60: c051b4c8 c783df10 00000001 01234567 00000000
c03f72fc 00000000 00000000
[ 1.278964] df80: 00000000 00000000 c783dfac c783df98 c03f730c
c051ba60 00000000 00000000
[ 1.287212] dfa0: 00000000 c783dfb0 c0009450 c03f730c 00000000
00000000 00000000 00000000
[ 1.295453] dfc0: 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[ 1.303696] dfe0: 00000000 00000000 00000000 00000000 00000013
00000000 00000000 00000000
[ 1.311897] Backtrace:
[ 1.314448] [<c028c0a0>] (fsl_usb2_mph_dr_of_probe+0x0/0x428) from
[<c021bde0>] (platform_drv_probe+0x1c/0x20)
[ 1.324544] [<c021bdc4>] (platform_drv_probe+0x0/0x20) from
[<c021ab48>] (driver_probe_device+0xac/0x1e8)
[ 1.334204] [<c021aa9c>] (driver_probe_device+0x0/0x1e8) from
[<c021ad40>] (__driver_attach+0x70/0x94)
[ 1.343544] r7:00000000 r6:c0564c00 r5:c7873144 r4:c7873110
[ 1.349383] [<c021acd0>] (__driver_attach+0x0/0x94) from [<c02191c4>]
(bus_for_each_dev+0x7c/0x90)
[ 1.358375] r6:c021acd0 r5:c0564c00 r4:00000000 r3:c021acd0
[ 1.364210] [<c0219148>] (bus_for_each_dev+0x0/0x90) from [<c021a6ac>]
(driver_attach+0x20/0x28)
[ 1.373026] r6:c79f7780 r5:c055b2b0 r4:c0564c00
[ 1.377796] [<c021a68c>] (driver_attach+0x0/0x28) from [<c021a23c>]
(bus_add_driver+0xe4/0x24c)
[ 1.386573] [<c021a158>] (bus_add_driver+0x0/0x24c) from [<c021b384>]
(driver_register+0xa4/0xe8)
[ 1.395478] r7:c0572980 r6:c0530264 r5:c053ae0c r4:c0564c00
[ 1.401303] [<c021b2e0>] (driver_register+0x0/0xe8) from [<c021c3a8>]
(__platform_driver_register+0x50/0x64)
[ 1.411163] r5:c053ae0c r4:00000006
[ 1.414862] [<c021c358>] (__platform_driver_register+0x0/0x64) from
[<c053027c>] (fsl_usb2_mph_dr_driver_init+0x18/0x20)
[ 1.425812] [<c0530264>] (fsl_usb2_mph_dr_driver_init+0x0/0x20) from
[<c000888c>] (do_one_initcall+0x98/0x140)
[ 1.435889] [<c00087f4>] (do_one_initcall+0x0/0x140) from [<c051bb50>]
(kernel_init_freeable+0x100/0x1c4)
[ 1.445488] r9:00000086 r8:c0572980 r7:c0572980 r6:c053fb70 r5:c053ae0c
r4:00000006
[ 1.453532] [<c051ba50>] (kernel_init_freeable+0x0/0x1c4) from
[<c03f730c>] (kernel_init+0x10/0xec)
[ 1.462610] r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c03f72fc
r4:00000000
[ 1.470645] [<c03f72fc>] (kernel_init+0x0/0xec) from [<c0009450>]
(ret_from_fork+0x14/0x24)
[ 1.479027] r4:00000000 r3:00000000
[ 1.482703] Code: e1c429d0 e1c929f0 e599c08c e594108c (e1c120d0)
[ 1.489025] ---[ end trace 1b9409ded9abd572 ]---
[ 1.493810] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
config: (imx27.dtsi)
usbotg: usb@10024000 {
compatible = "fsl-usb2-dr";
reg = <0x10024000 0x200>;
interrupts = <56>;
dr_mode = "host";
phy_type = "ulpi";
status = "disabled";
};
Fabio Estevam mentioned that:
"You probably need a mx27 entry into drivers/usb/chipidea/usbmisc_imx.c"
Some help welcome.
Chris
Fabio was right, the imx27 uses the ChipIdea for its USB my dts config
was wrong.
More accurate settings for the OTG and H2 are:
usbotg: usb@10024000 {
compatible = "fsl,imx27-usb";
reg = <0x10024000 0x200>;
interrupts = <56>;
clocks = <&clks 75>, <&clks 62>;
clock-names = "ipg", "ahb";
dr_mode = "host";
phy_type = "ulpi";
status = "disabled";
};
usbh1: usb@10024200 {
compatible = "fsl,imx27-usb";
reg = <0x10024200 0x200>;
interrupts = <54>;
clocks = <&clks 75>, <&clks 62>;
clock-names = "ipg", "ahb";
dr_mode = "host";
phy_type = "serial";
status = "disabled";
};
usbh2: usb@10024400 {
compatible = "fsl,imx27-usb";
reg = <0x10024400 0x200>;
interrupts = <55>;
clocks = <&clks 75>, <&clks 62>;
clock-names = "ipg", "ahb";
dr_mode = "host";
phy_type = "ulpi";
status = "disabled";
};
and add to usbmisc_imx.c
--- linux-3.12-rc7/drivers/usb/chipidea/usbmisc_imx.c 2013-10-28
07:12:03.000000000 +0800
+++ linux-3.12-rc7-gtsys/drivers/usb/chipidea/usbmisc_imx.c 2013-10-29
13:31:45.523288470 +0800
@@ -21,6 +21,11 @@
#define MX25_USB_PHY_CTRL_OFFSET 0x08
#define MX25_BM_EXTERNAL_VBUS_DIVIDER BIT(23)
+#define MX27_USB_PHY_CTRL_OFFSET 0x600 /* MCIMX27RM Reference Manual
v0.4 */
+#define MX27_BM_OVER_CUR_DIS_H1 BIT(8) /* 30.5.1.1 USBCONTROL—USB
Control Register (USB_CTRL) */
+#define MX27_BM_OVER_CUR_DIS_H2 BIT(16)
+#define MX27_BM_OVER_CUR_DIS_OTG BIT(24)
+
#define MX53_USB_OTG_PHY_CTRL_0_OFFSET 0x08
#define MX53_USB_UH2_CTRL_OFFSET 0x14
#define MX53_USB_UH3_CTRL_OFFSET 0x18
@@ -68,6 +73,37 @@
return 0;
}
+static int usbmisc_imx27_init(struct imx_usbmisc_data *data)
+{
+ void __iomem *reg = NULL;
+ unsigned long flags;
+ u32 val = 0;
+
+ if (data->index > 3)
+ return -EINVAL;
+
+ if (data->disable_oc) {
+ spin_lock_irqsave(&usbmisc->lock, flags);
+ reg = usbmisc->base + MX27_USB_PHY_CTRL_OFFSET;
+ switch (data->index) {
+ case 0:
+ val = readl(reg) | MX27_BM_OVER_CUR_DIS_OTG;
+ break;
+ case 1:
+ val = readl(reg) | MX27_BM_OVER_CUR_DIS_H1;
+ break;
+ case 2:
+ val = readl(reg) | MX27_BM_OVER_CUR_DIS_H2;
+ break;
+ }
+ if (reg && val)
+ writel(val, reg);
+ spin_unlock_irqrestore(&usbmisc->lock, flags);
+ }
+
+ return 0;
+}
+
static int usbmisc_imx53_init(struct imx_usbmisc_data *data)
{
void __iomem *reg = NULL;
@@ -128,6 +164,10 @@
.post = usbmisc_imx25_post,
};
+static const struct usbmisc_ops imx27_usbmisc_ops = {
+ .init = usbmisc_imx27_init,
+};
+
static const struct usbmisc_ops imx53_usbmisc_ops = {
.init = usbmisc_imx53_init,
};
@@ -162,6 +202,10 @@
.data = &imx25_usbmisc_ops,
},
{
+ .compatible = "fsl,imx27-usbmisc",
+ .data = &imx27_usbmisc_ops,
+ },
+ {
.compatible = "fsl,imx53-usbmisc",
.data = &imx53_usbmisc_ops,
},
[ 1.104173] ci_hdrc ci_hdrc.0: ChipIdea HDRC found, lpm: 0; cap:
f4424100 op: f4424140
[ 1.104243] ci_hdrc ci_hdrc.0: It is OTG capable controller
[ 1.104732] ci_hdrc ci_hdrc.0: EHCI Host Controller
[ 1.109861] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1
[ 1.128447] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00
[ 1.134640] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.141599] usb usb1: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[ 1.148958] usb usb1: Product: EHCI Host Controller
[ 1.153963] usb usb1: Manufacturer: Linux 3.12.0-rc7 ehci_hcd
[ 1.159831] usb usb1: SerialNumber: ci_hdrc.0
[ 1.167399] hub 1-0:1.0: USB hub found
[ 1.171457] hub 1-0:1.0: 1 port detected
[ 1.177957] ci_hdrc ci_hdrc.1: ChipIdea HDRC found, lpm: 0; cap:
f4424500 op: f4424540
[ 1.178071] ci_hdrc ci_hdrc.1: EHCI Host Controller
[ 1.183226] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2
[ 1.200450] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[ 1.206643] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.213601] usb usb2: New USB device strings: Mfr=3, Product=2,
SerialNumber=1
[ 1.220962] usb usb2: Product: EHCI Host Controller
[ 1.225968] usb usb2: Manufacturer: Linux 3.12.0-rc7 ehci_hcd
[ 1.231835] usb usb2: SerialNumber: ci_hdrc.1
[ 1.239414] hub 2-0:1.0: USB hub found
[ 1.243500] hub 2-0:1.0: 1 port detected
A problem persists the ULPI 1504 not get detected
any help here?
Chris
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