[PATCH v2] ARM i.MX6: Add support for SabreSD board

[Sascha Hauer]

On Tue, Feb 12, 2013 at 09:42:46AM +0100, Hubert Feurstein wrote:
> Hi Sascha,
> 
> 2013/2/11 Sascha Hauer <s.hauer at pengutronix.de>:
> [...]
> >> +
> >> +static int sabresd_mem_init(void)
> >> +{
> >> +     arm_add_mem_device("ram0", 0x10000000, SZ_1G);
> >> +
> >> +     return 0;
> >> +}
> >> +mem_initcall(sabresd_mem_init);
> >
> > This is not necessary anymore. I removed this while applying. Could you
> > verify this still works?
> No, it does not. Here's the log:

Ah, damn, there is no SDRAM size detection for i.MX6 (yet). I forgot
about this. I'll revert this to your original patch then.

Sascha

> 
> barebox 2013.02.0-00270-g4bb21a7 #158 Tue Feb 12 09:34:12 CET 2013
> 
> 
> Board: SabreSD
> mmu: Error: Can't request SDRAM region for ttb
> Error: Cannot request SDRAM region for stack
> registered netconsole as cs1
> imx-esdhc imx-esdhc3: registered as imx-esdhc3
> detected card version 4.0
> mci mci0: registered disk0
> mci mci0: No partition table found
> imx-esdhc imx-esdhc1: registered as imx-esdhc1
> mci mci1: no card inserted
> imx-esdhc imx-esdhc2: registered as imx-esdhc2
> mci mci2: registered disk1
> mci mci2: No partition table found
> BUG: failure at arch/arm/cpu/mmu.c:122/find_pte()!
> BUG!
> [<1781bd3d>] (unwind_backtrace+0x1/0x64) from [<1780fffd>] (panic+0x1d/0x2c)
> [<1780fffd>] (panic+0x1d/0x2c) from [<1781c7f5>] (remap_range+0x29/0x88)
> [<1781c7f5>] (remap_range+0x29/0x88) from [<1781c8a3>]
> (dma_alloc_coherent+0x2f/0x38)
> [<1781c8a3>] (dma_alloc_coherent+0x2f/0x38) from [<178084c3>]
> (fec_probe+0x8f/0x17c)
> [<178084c3>] (fec_probe+0x8f/0x17c) from [<17807d81>] (platform_probe+0x9/0xa)
> [<17807d81>] (platform_probe+0x9/0xa) from [<17807ba7>] (device_probe+0xb/0x38)
> [<17807ba7>] (device_probe+0xb/0x38) from [<17807bf3>] (match+0x1f/0x30)
> [<17807bf3>] (match+0x1f/0x30) from [<17807d05>] (register_device+0x81/0xb0)
> [<17807d05>] (register_device+0x81/0xb0) from [<17807e11>]
> (add_generic_device_res+0x2d/0x32)
> [<17807e11>] (add_generic_device_res+0x2d/0x32) from [<1781acbb>]
> (imx_add_fec_imx6+0x1f/0x28)
> [<1781acbb>] (imx_add_fec_imx6+0x1f/0x28) from [<178197e9>]
> (sabresd_devices_init+0x81/0x10c)
> [<178197e9>] (sabresd_devices_init+0x81/0x10c) from [<178068d9>]
> (start_barebox+0x15/0xc0)
> [<178068d9>] (start_barebox+0x15/0xc0) from [<1781c237>]
> (__start.isra.0+0x4b/0x54)
> [<1781c237>] (__start.isra.0+0x4b/0x54) from [<1781c24d>] (setup_c+0x1/0x48)
> 
> Hubert
> 

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