-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 于 2013年11月25日 16:33, Seungwon Jeon 写道: > On Mon, November 25, 2013, 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? > > Thank you for detect. Clock adaptation has been added for upper > host including EXYNOS 5250 since c6d9d(mmc: dw_mmc: exynos: adjust > the clock rate with speed mode) It should have been considered for > all EXYNOS. I could send a fix. > > Thanks, Seungwon > > -- 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 > > yes, may c6d9deda64d426a25aafeb179962c9cf3c834e2f cause problem. Actually, my u-boot is old too(modified from samsung BSP, it is 2010.12), I use CONFIG_ARM_APPENDED_DTB to use dts. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJSk0XRAAoJEPb4VsMIzTzitvAH/0t0JuVTWOOMkRCD3Zph9wMP HryLvSDgsOUW0nPVsIwyrIAtjiSoAtQgKN9wiMTvrHM2yj3E6Rk0SNT04zdr1kRm cuVh+MWrWYXWNDVKpnHl/SnzSi/RfFfXrlT69VcVocKH4boZOqqwwHtHiof8kPag JFwFSLIOoeTRKluGEyAIBsNkz/Zgmbng5boScIe95y58iYw+hBZ4NQQLAo+nyPfa JPaicc2umjlI1r7Gbu6vabjVjaqyNEd/EibyxqWeZgCGXnFRY230BV09ULn5uIko n7xiQk6s5wXBWxY4tcFJF8jj8gdbXd1Aad++0v1Jv2cnZp3xGtUJmgz+dNLv4ng= =0pZ1 -----END PGP SIGNATURE----- -- 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
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