diff options
Diffstat (limited to 'cpu/mpc8260')
| -rw-r--r-- | cpu/mpc8260/speed.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/cpu/mpc8260/speed.c b/cpu/mpc8260/speed.c index 38cd0d9..8d280fb 100644 --- a/cpu/mpc8260/speed.c +++ b/cpu/mpc8260/speed.c @@ -162,6 +162,30 @@ int get_clocks (void) gd->cpu_clk = clkin; } +#ifdef CONFIG_PCI + gd->pci_clk = clkin; + + if (sccr & SCCR_PCI_MODE) { + uint pci_div; + uint pcidf = (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT; + + if (sccr & SCCR_PCI_MODCK) { + pci_div = 2; + if (pcidf == 9) { + pci_div *= 5; + } else if (pcidf == 0xB) { + pci_div *= 6; + } else { + pci_div *= (pcidf + 1); + } + } else { + pci_div = pcidf + 1; + } + + gd->pci_clk = (gd->cpm_clk * 2) / pci_div; + } +#endif + return (0); } @@ -220,26 +244,9 @@ int prt_8260_clks (void) printf (" - cpu_clk %10ld, cpm_clk %10ld, bus_clk %10ld\n", gd->cpu_clk, gd->cpm_clk, gd->bus_clk); - - if (sccr & SCCR_PCI_MODE) { - uint pci_div; - uint pcidf = (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT; - - if (sccr & SCCR_PCI_MODCK) { - pci_div = 2; - if (pcidf == 9) { - pci_div *= 5; - } else if (pcidf == 0xB) { - pci_div *= 6; - } else { - pci_div *= (pcidf + 1); - } - } else { - pci_div = pcidf + 1; - } - - printf (" - pci_clk %10ld\n", (gd->cpm_clk * 2) / pci_div); - } +#ifdef CONFIG_PCI + printf (" - pci_clk %10ld\n", gd->pci_clk); +#endif putc ('\n'); return (0); |