On Tue, 2011-05-24 at 10:25 +0530, Prashant Bhole wrote:
> Fixed the problem by soft resetting the PCIe port in the function
> ppc460ex_pciex_port_init_hw().
> Is it a right thing to do?
> Following is the patch for kernel 2.6.38.4:
> --------------------------------------------------------------------------------------
> --- linux-2.6.38.4/arch/powerpc/sysdev/ppc4xx_pci.c.orig 2011-05-24
> 10:02:38.000000000 +0530
> +++ linux-2.6.38.4/arch/powerpc/sysdev/ppc4xx_pci.c 2011-05-24
> 10:07:17.000000000 +0530
> @@ -876,6 +876,20 @@
> u32 val;
> u32 utlset1;
>
> + switch (port->index)
> + {
> + case 0:
> + mtdcri(SDR0, PESDR0_460EX_PHY_CTL_RST, 0x0);
> + mdelay(10);
> + break;
> + case 1:
> + mtdcri(SDR0, PESDR1_460EX_PHY_CTL_RST, 0x0);
> + mdelay(10);
> + break;
> + default:
> + break;
> + }
> +
> if (port->endpoint)
> val = PTYPE_LEGACY_ENDPOINT << 20;
> else
> --------------------------------------------------------------------------------------
Well, it's odd that you'd have to do that, maybe something the
bootloader is doing ?
I personally don't mind but I'd like Stefan and/or Tirumala opinion on
this.
Cheers,
Ben.
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