-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 于 2013年11月26日 08:41, Tomasz Figa 写道: > On Sunday 24 of November 2013 22:18:46 Olof Johansson wrote: >> Hi, >> >> On Sun, Nov 24, 2013 at 4:07 AM, randy <lxr1234@xxxxxxxxxxx> >> wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >>> >>> After pull the merge of 3.13-rc1, the dw_mmc-exynos will make >>> the boot stock.In 3.13, it is just stocked udev in 3.13 and >>> makse udev timeout but kernel report the emmc device is found. >>> >>> And in the >>> Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt I saw >>> that it is need to define which gpio ports that a emmc slot >>> use, but when I watched others dts, they use pinctrl, which is >>> correct? Here is the log and dts >> >> [..] >> >>> =======================log begin ============================= >> [..] >>> [ 0.000000] CPU EXYNOS4412 (id 0xe4412011) >> >> [..] >> >>> [ 1.095000] mmc0: no vmmc regulator found [ 1.130000] >>> mmc0: SDHCI controller on samsung-hsmmc [12530000.sdhci] using >>> ADMA [ 1.130000] Synopsys Designware Multimedia Card >>> Interface Driver [ 1.130000] Unable to handle kernel NULL >>> pointer dereference at virtual address 0000002a [ 1.130000] >>> pgd = c0004000 [ 1.130000] [0000002a] *pgd=00000000 [ >>> 1.135000] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ >>> 1.140000] Modules linked in: [ 1.140000] CPU: 0 PID: 1 Comm: >>> swapper/0 Not tainted 3.13.0-rc1-00008-g584fa45-dirty #3 [ >>> 1.150000] task: ef0a4000 ti: ef0a8000 task.ti: ef0a8000 [ >>> 1.155000] PC is at clk_get_rate+0x18/0x5c [ 1.160000] LR is >>> at clk_prepare_lock+0xc/0xd8 [ 1.165000] pc : [<c0319400>] >>> lr : [<c0318864>] psr: a0000113 [ 1.165000] sp : ef0a9e20 >>> ip : ee94eb40 fp : 00000000 [ 1.175000] r10: c0571510 r9 : >>> ef0a8000 r8 : ef227a10 [ 1.180000] r7 : c043544c r6 : >>> fffffffe r5 : ee94ead0 r4 : fffffffe [ 1.185000] r3 : >>> ef0a4000 r2 : 00000001 r1 : 000002b9 r0 : 00000001 [ >>> 1.195000] Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM >>> Segment kernel [ 1.200000] Control: 10c5387d Table: >>> 4000404a DAC: 00000015 [ 1.205000] Process swapper/0 (pid: >>> 1, stack limit = 0xef0a8240) [ 1.210000] Stack: (0xef0a9e20 >>> to 0xef0aa000) [ 1.215000] 9e20: c0308474 ee9ea610 ee94ead0 >>> c0308488 c0308474 ee9ea610 00000000 c030592c [ 1.225000] >>> 9e40: ef227a10 00001000 c043544c c020a920 c0838b04 17d78400 >>> ee9ea610 ef227a00 [ 1.235000] 9e60: ef227a10 c05d6b1c >>> 00000000 c05d6b1c c05890b0 ef0a8000 c0571510 c0269448 [ >>> 1.240000] 9e80: c0269430 ef227a10 c061291c c0268088 00000000 >>> ef227a10 c05d6b1c ef227a44 [ 1.250000] 9ea0: 00000000 >>> c026822c 00000000 c05d6b1c c02681a0 c02668a8 ef005478 ef212740 >>> [ 1.255000] 9ec0: c05d6b1c ef2c7900 c05cf438 c0267864 >>> c0511e38 c05d6b1c 00000006 c05d6b1c [ 1.265000] 9ee0: >>> 00000006 c059575c c05df580 c026884c 00000000 c05a2e14 00000006 >>> c00088dc [ 1.275000] 9f00: c0603f70 ef163e00 c040e334 >>> 60000113 c05b5000 a0000113 c05b5054 c05b5050 [ 1.280000] >>> 9f20: c05df580 c054ad68 c0839c96 c04247b4 00000093 c0035158 >>> c05b5054 c05a2a20 [ 1.290000] 9f40: c050ae2c c054a438 >>> 00000006 00000006 00000000 c05a2e14 00000006 c059575c [ >>> 1.300000] 9f60: c05df580 00000093 c0595768 c0571510 00000000 >>> c0571c48 00000006 00000006 [ 1.305000] 9f80: c0571510 >>> c003df68 00000000 c0403544 00000000 00000000 00000000 00000000 >>> [ 1.315000] 9fa0: 00000000 c040354c 00000000 c000e738 >>> 00000000 00000000 00000000 00000000 [ 1.320000] 9fc0: >>> 00000000 00000000 00000000 00000000 00000000 00000000 00000000 >>> 00000000 [ 1.330000] 9fe0: 00000000 00000000 00000000 >>> 00000000 00000013 00000000 be73efa4 ffffbffd [ 1.340000] >>> [<c0319400>] (clk_get_rate+0x18/0x5c) from [<c0308488>] >>> (dw_mci_exynos_setup_clock+0x14/0x2c) [ 1.350000] >>> [<c0308488>] (dw_mci_exynos_setup_clock+0x14/0x2c) from >>> [<c030592c>] (dw_mci_probe+0x15c/0xca4) [ 1.360000] >>> [<c030592c>] (dw_mci_probe+0x15c/0xca4) from [<c0269448>] >>> (platform_drv_probe+0x18/0x48) [ 1.365000] [<c0269448>] >>> (platform_drv_probe+0x18/0x48) from [<c0268088>] >>> (driver_probe_device+0x100/0x218) [ 1.375000] [<c0268088>] >>> (driver_probe_device+0x100/0x218) from [<c026822c>] >>> (__driver_attach+0x8c/0x90) [ 1.385000] [<c026822c>] >>> (__driver_attach+0x8c/0x90) from [<c02668a8>] >>> (bus_for_each_dev+0x54/0x88) [ 1.395000] [<c02668a8>] >>> (bus_for_each_dev+0x54/0x88) from [<c0267864>] >>> (bus_add_driver+0xd4/0x1d0) [ 1.405000] [<c0267864>] >>> (bus_add_driver+0xd4/0x1d0) from [<c026884c>] >>> (driver_register+0x78/0xf4) [ 1.415000] [<c026884c>] >>> (driver_register+0x78/0xf4) from [<c00088dc>] >>> (do_one_initcall+0xec/0x148) [ 1.420000] [<c00088dc>] >>> (do_one_initcall+0xec/0x148) from [<c0571c48>] >>> (kernel_init_freeable+0xfc/0x1c8) [ 1.430000] [<c0571c48>] >>> (kernel_init_freeable+0xfc/0x1c8) from [<c040354c>] >>> (kernel_init+0x8/0x110) [ 1.440000] [<c040354c>] >>> (kernel_init+0x8/0x110) from [<c000e738>] >>> (ret_from_fork+0x14/0x3c) [ 1.450000] Code: ebfffd18 >>> e3540000 01a05004 0a000008 (e594302c) >> >> >> Looks like a clock issue on 4412? I only have 5250 that I boot >> test on, no EXYNOS4 coverage at all (I had an Odroid-X but it >> wasn't useful due to the very old u-boot it came with so I gave >> it away). >> >> Tomasz, is this something you can reproduce on 4210/4412? > > Nope. All of our boards (exynos4210-trats, exynos4412-trats2) are > configured to use sdhci-s3c for all MMC slots[1], as at the time > they got submitted to mainline, this driver was considered more > reliable than dw-mmc. Not sure about today, though. > > [1] On Exynos4 there is one dw-mmc block and four sdhci-s3c > blocks, while there are just four physical busses. Using pin > control you can configure any of the four sets of pins to work > either using its dedicated sdhci-s3c or the only one dw-mmc. > > Best regards, Tomasz > > -- To unsubscribe from this list: send the line "unsubscribe > linux-samsung-soc" in the body of a message to > majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html > > Well I don't think it can work this time, maybe my dts is wrong. At this time neither emmc nor usb can work. ==========================log begin=============================== [ 1.035000] s3c-rtc 10070000.rtc: rtc disabled, re-enabling [ 1.040000] s3c-rtc 10070000.rtc: rtc core: registered s3c as rtc0 [ 1.050000] device-mapper: ioctl: 4.27.0-ioctl (2013-10-30) initialised: dm-devel@xxxxxxxxxx [ 1.055000] sdhci: Secure Digital Host Controller Interface driver [ 1.060000] sdhci: Copyright(c) Pierre Ossman [ 1.065000] s3c-sdhci 12530000.sdhci: clock source 2: mmc_busclk.2 (100000000 Hz) [ 1.075000] s3c-sdhci 12530000.sdhci: dummy supplies not allowed [ 1.080000] mmc0: no vqmmc regulator found [ 1.085000] s3c-sdhci 12530000.sdhci: dummy supplies not allowed [ 1.090000] mmc0: no vmmc regulator found [ 1.125000] mmc0: SDHCI controller on samsung-hsmmc [12530000.sdhci] using ADMA [ 1.125000] s3c-sdhci 12550000.sdhci: failed to get io clock [ 1.125000] s3c-sdhci: probe of 12550000.sdhci failed with error -2 [ 1.125000] Synopsys Designware Multimedia Card Interface Driver [ 1.130000] usbcore: registered new interface driver usbhid [ 1.130000] usbhid: USB HID core driver [ 1.135000] TCP: cubic registered [ 1.145000] NET: Registered protocol family 10 [ 1.145000] NET: Registered protocol family 17 [ 1.145000] NET: Registered protocol family 15 [ 1.150000] Key type dns_resolver registered [ 1.155000] Registering SWP/SWPB emulation handler [ 1.160000] unable to find transceiver of type USB2 PHY [ 1.165000] exynos-ehci 12580000.ehci: no platform data or transceiver defined [ 1.175000] platform 12580000.ehci: Driver exynos-ehci requests probe deferral [ 1.175000] mmc0: new high speed SDHC card at address aaaa [ 1.185000] isa bounce pool size: 16 pages [ 1.190000] mmcblk0: mmc0:aaaa SU08G 7.40 GiB [ 1.195000] s3c-rtc 10070000.rtc: setting system clock to 2013-01-01 12:06:09 UTC (1357041969) [ 1.205000] exynos_cpufreq_init: failed to get resource vdd_arm [ 1.205000] mmcblk0: p1 p2 p3 p4 [ 1.215000] unable to find transceiver of type USB2 PHY [ 1.215000] exynos-ehci 12580000.ehci: no platform data or transceiver defined [ 1.225000] platform 12580000.ehci: Driver exynos-ehci requests probe deferral ==========================log end================================= =======================dts============================================== /* * Hardkernel's Exynos4412 based tiny4412 1306 board device tree source * * Copyright (c) 2013 Tomoya Gitsufuki <ayaka@xxxxxxxxxxxxxxxx> * * Device tree source file for Friendyarm tiny4412 1306 board which is based on * Samsung's Exynos4412 SoC. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ /dts-v1/; #include "exynos4412.dtsi" / { model = "Friendly Arm Tiny4412 1306 board based on Exynos4412"; compatible = "friendlyarm,tiny4412-1306", "samsung,exynos4412"; memory { reg = <0x40000000 0x40000000>; }; chosen { bootargs ="root=/dev/mmcblk0p1 rootfstype=ext4 rw console=ttySAC0,115200 init=/sbin/init"; }; leds { compatible = "gpio-leds"; led1 { label = "led1:heart"; gpios = <&gpm4 0 1>; default-state = "on"; linux,default-trigger = "heartbeat"; }; led2 { label = "led2:mmc0"; gpios = <&gpm4 1 1>; default-state = "on"; linux,default-trigger = "mmc0"; }; }; regulators { compatible = "simple-bus"; #address-cells = <1>; vemmc_reg: regulator-0 { compatible = "regulator-fixed"; regulator-name = "VMEM_VDD_2.8V"; regulator-min-microvolt = <2800000>; regulator-max-microvolt = <2800000>; gpio = <&gpk0 2 0>; enable-active-high; }; }; /* mshc@12550000 { #address-cells = <1>; #size-cells = <0>; pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>; pinctrl-names = "default"; status = "okay"; vmmc-supply = <&vemmc_reg>; clocks = <&clock 301>, <&clock 149>; clocks-name = "dwmci", "sclk_dwmci"; clock-frequency = <400000000>; num-slots = <1>; supports-highspeed; broken-cd; fifo-depth = <0x80>; card-detect-delay = <200>; samsung,dw-mshc-sdr-timing = <2 3>; samsung,dw-mshc-ddr-timing = <1 2>; slot@0 { reg = <0>; bus-width = <8>; }; }; */ rtc@10070000 { status = "okay"; }; sdhci@12530000 { bus-width = <4>; pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>; pinctrl-names = "default"; status = "okay"; }; sdhci@1254000 { bus-width = <4>; pinctrl-0 = <&sd3_clk &sd3_cmd &sd3_bus4 &sd3_cd>; pinctrl-names = "default"; status = "okay"; }; sdhci@12550000 { compatible = "samsung,exynos4210-sdhci"; #address-cells = <1>; #size-cells = <0>; reg = <0x12550000 0x1000>; interrupts = <0 77 0>; non-removable; pinctrl-0 = <&sd4_clk &sd4_cmd &sd4_bus4 &sd4_bus8>; pinctrl-names = "default"; status = "okay"; bus-width = <8>; vmmc-supply = <&vemmc_reg>; clocks = <&clock 301>, <&clock 149>; clocks-name = "dwmci", "sclk_dwmci"; clock-frequency = <400000000>; }; /* the usb phy of hsic0, hsic1 and otg are in the same place */ usb_phy: otg@125B0000 { #address-cells = <1>; #size-cells = <1>; compatible = "samsung,exynos4210-usbphy"; reg = <0x125B0000 0x100>; ranges; clocks = <&clock 2>, <&clock 305>; clock-names = "xusbxti", "otg"; usbphy-sys { /* USB device and host PHY_CONTROL registers */ reg = <0x10020704 0x8>; }; }; ehci@12580000 { usb-phy = <&usb_phy>; status = "okay"; }; ohci@12590000 { status = "okay"; }; codec@13400000 { samsung,mfc-r = <0x43000000 0x800000>; samsung,mfc-l = <0x51000000 0x800000>; status = "okay"; }; serial@13800000 { status = "okay"; }; serial@13810000 { status = "okay"; }; serial@13820000 { status = "okay"; }; serial@13830000 { status = "okay"; }; fixed-rate-clocks { xxti { compatible = "samsung,clock-xxti"; clock-frequency = <0>; }; xusbxti { compatible = "samsung,clock-xusbxti"; clock-frequency = <24000000>; }; }; i2c@13860000 { status = "okay"; samsung,i2c-sda-delay = <100>; samsung,i2c-max-bus-freq = <200000>; wm8960@10 { compatible = "wlf,wm8960"; reg = <0x10>; }; }; }; -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJSk/2uAAoJEPb4VsMIzTzirLAH/0H3n2a8s8qvizr+YOOCnLvr iiK21Mh/Gi9wLgvpU16oEDiOP5p2da7TUKI7AnIGY48SnBrB+E0C2UVHVn7L/4aX cputqr5mEswV3RUOaEg7s1HHbXp249LJ4Z8IByxesO4lVCRGVTcz+i121uDGKrH4 OoybBl/YuDACo3D1AZShNq+m8lLIAyEUT3UOEPJdxsa1V/Zwf4MdQbY1YMC6Twqs kmLPCgKlS7wKeFvpYG/cmWZEG/fFlBiCey3mmJDy6DK+YC6Mq1WEFJEU4zWec3kI cJwyA20U+GC5cz7CZfDjkLhMinXnOhz8oP9RGCKlKrz22DlEJd4/mXnHwEK1c1o= =GHoW -----END PGP SIGNATURE----- -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
