diff options
| author |   Valentine Barshak <vbarshak@ru.mvista.com> | 2008-03-07 01:34:52 +1100 |
|---|---|---|
| committer |   Josh Boyer <jwboyer@linux.vnet.ibm.com> | 2008-03-26 07:23:09 -0500 |
| commit | 6e42b21bb91a562cd843a156586fe7b5954f58b3 (patch) | |
| tree | ae19531d4221350b0162a138109d35172ddca1ec /arch/powerpc/sysdev/ppc4xx_pci.c | |
| parent | [POWERPC] 4xx: Add dcri_clrset() for locked read/modify/write functionality (diff) | |
| download | linux-dev-6e42b21bb91a562cd843a156586fe7b5954f58b3.tar.xz linux-dev-6e42b21bb91a562cd843a156586fe7b5954f58b3.zip | |
[POWERPC] 4xx: Use dcri_clrset() for PCIe indirect dcr read/modify/write access
Use dcri_clrset() for PCIe SDR0 read/modify/write access.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Diffstat (limited to 'arch/powerpc/sysdev/ppc4xx_pci.c')
| -rw-r--r-- | arch/powerpc/sysdev/ppc4xx_pci.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c index d183b8390ec3..6c925b7975f9 100644 --- a/arch/powerpc/sysdev/ppc4xx_pci.c +++ b/arch/powerpc/sysdev/ppc4xx_pci.c @@ -646,7 +646,7 @@ static int __init ppc440spe_pciex_core_init(struct device_node *np) 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)) @@ -660,8 +660,7 @@ static int __init ppc440spe_pciex_core_init(struct device_node *np) } /* 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) { @@ -713,9 +712,8 @@ static int ppc440spe_pciex_init_port_hw(struct ppc4xx_pciex_port *port) 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); + dcri_clrset(SDR0, port->sdr_base + PESDRn_RCSSET, + (1 << 24) | (1 << 16), 1 << 12); return 0; } @@ -1156,8 +1154,7 @@ static int __init ppc4xx_pciex_port_init(struct ppc4xx_pciex_port *port) 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; |