[PATCH] PowerPC 4xx: Use dcri_clrset() for PCIe indirect dcr read/modify/write access
Valentine Barshak
vbarshak at ru.mvista.com
Fri Mar 7 01:08:16 EST 2008
Oops, sorry, please discard this one.
There's a typo in it. The fixed patch is coming right away.
Thanks.
Valentine.
Valentine Barshak wrote:
> Use dcri_clrset() for PCIe SDR0 read/modify/write access.
>
> Signed-off-by: Valentine Barshak <vbarshak at ru.mvista.com>
> ---
> arch/powerpc/sysdev/ppc4xx_pci.c | 11 ++++-------
> 1 files changed, 4 insertions(+), 7 deletions(-)
>
> diff -pruN linux-2.6.orig/arch/powerpc/sysdev/ppc4xx_pci.c linux-2.6/arch/powerpc/sysdev/ppc4xx_pci.c
> --- linux-2.6.orig/arch/powerpc/sysdev/ppc4xx_pci.c 2008-03-06 14:39:46.000000000 +0300
> +++ linux-2.6/arch/powerpc/sysdev/ppc4xx_pci.c 2008-03-06 14:52:02.000000000 +0300
> @@ -645,7 +645,7 @@ static int __init ppc440spe_pciex_core_i
> int time_out = 20;
>
> /* Set PLL clock receiver to LVPECL */
> - mtdcri(SDR0, PESDR0_PLLLCT1, mfdcri(SDR0, PESDR0_PLLLCT1) | 1 << 28);
> + dcri_clrset(SDR0, PESDR0_PLLLCT1, 0, 1 << 28);
>
> /* Shouldn't we do all the calibration stuff etc... here ? */
> if (ppc440spe_pciex_check_reset(np))
> @@ -659,8 +659,7 @@ static int __init ppc440spe_pciex_core_i
> }
>
> /* De-assert reset of PCIe PLL, wait for lock */
> - mtdcri(SDR0, PESDR0_PLLLCT1,
> - mfdcri(SDR0, PESDR0_PLLLCT1) & ~(1 << 24));
> + dcri_clrset(SDR0, PESDR0_PLLLCT1, 1 << 24, 0);
> udelay(3);
>
> while (time_out) {
> @@ -712,9 +711,8 @@ static int ppc440spe_pciex_init_port_hw(
> mtdcri(SDR0, port->sdr_base + PESDRn_440SPE_HSSL7SET1,
> 0x35000000);
> }
> - val = mfdcri(SDR0, port->sdr_base + PESDRn_RCSSET);
> mtdcri(SDR0, port->sdr_base + PESDRn_RCSSET,
> - (val & ~(1 << 24 | 1 << 16)) | 1 << 12);
> + (1 << 24) | (1 << 16), 1 << 12);
>
> return 0;
> }
> @@ -1042,8 +1040,7 @@ static int __init ppc4xx_pciex_port_init
> port->link = 0;
> }
>
> - mtdcri(SDR0, port->sdr_base + PESDRn_RCSSET,
> - mfdcri(SDR0, port->sdr_base + PESDRn_RCSSET) | 1 << 20);
> + dcri_clrset(SDR0, port->sdr_base + PESDRn_RCSSET, 0, 1 << 20);
> msleep(100);
>
> return 0;
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