diff options
Diffstat (limited to 'cpu/mpc83xx/speed.c')
| -rw-r--r-- | cpu/mpc83xx/speed.c | 112 |
1 files changed, 28 insertions, 84 deletions
diff --git a/cpu/mpc83xx/speed.c b/cpu/mpc83xx/speed.c index 260137d..eb3e2c6 100644 --- a/cpu/mpc83xx/speed.c +++ b/cpu/mpc83xx/speed.c @@ -118,41 +118,50 @@ int get_clocks (void) return -1; #ifndef CFG_HRCW_HIGH -# error "CFG_HRCW_HIGH must be defined in include/configs/MCP83XXADS.h" +# error "CFG_HRCW_HIGH must be defined in board config file" #endif /* CFG_HCWD_HIGH */ #if (CFG_HRCW_HIGH & HRCWH_PCI_HOST) + # ifndef CONFIG_83XX_CLKIN -# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in include/configs/MCP83XXADS.h" +# error "In PCI Host Mode, CONFIG_83XX_CLKIN must be defined in board config file" # endif /* CONFIG_83XX_CLKIN */ # ifdef CONFIG_83XX_PCICLK -# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in include/configs/MCP83XXADS.h is igonred." +# warning "In PCI Host Mode, CONFIG_83XX_PCICLK in board config file is igonred" # endif /* CONFIG_83XX_PCICLK */ -/* PCI Host Mode */ + + /* PCI Host Mode */ if (!(im->reset.rcwh & RCWH_PCIHOST)) { - /* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH the im->reset.rcwhr PCI Host Mode is disabled */ - /* FIXME: findout if there is a way to issue some warning */ + /* though RCWH_PCIHOST is defined in CFG_HRCW_HIGH + * the im->reset.rcwhr PCI Host Mode is disabled + * FIXME: findout if there is a way to issue some warning */ return -2; } if (im->clk.spmr & SPMR_CKID) { - pci_sync_in = CONFIG_83XX_CLKIN / 2; /* PCI Clock is half CONFIG_83XX_CLKIN */ + /* PCI Clock is half CONFIG_83XX_CLKIN */ + pci_sync_in = CONFIG_83XX_CLKIN / 2; } else { pci_sync_in = CONFIG_83XX_CLKIN; } -#else + +#else /* (CFG_HRCW_HIGH & HRCWH_PCI_HOST) */ + # ifdef CONFIG_83XX_CLKIN -# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in include/configs/MCP83XXADS.h is igonred." +# warning "In PCI Agent Mode, CONFIG_83XX_CLKIN in board config file is igonred" # endif /* CONFIG_83XX_CLKIN */ # ifndef CONFIG_83XX_PCICLK -# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in include/configs/MCP83XXADS.h" +# error "In PCI Agent Mode, CONFIG_83XX_PCICLK must be defined in board config file" # endif /* CONFIG_83XX_PCICLK */ -/* PCI Agent Mode */ + + /* PCI Agent Mode */ if (im->reset.rcwh & RCWH_PCIHOST) { - /* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH the im->reset.rcwhr PCI Host Mode is enabled */ + /* though RCWH_PCIHOST is not defined in CFG_HRCW_HIGH + * the im->reset.rcwhr PCI Host Mode is enabled */ return -3; } pci_sync_in = CONFIG_83XX_PCICLK; + #endif /* (CFG_HRCW_HIGH | RCWH_PCIHOST) */ /* we have up to date pci_sync_in */ @@ -343,79 +352,14 @@ int print_clock_conf (void) printf("Clock configuration:\n"); printf(" Coherent System Bus: %4d MHz\n",gd->csb_clk/1000000); printf(" Core: %4d MHz\n",gd->core_clk/1000000); - printf(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000); + debug(" Local Bus Controller:%4d MHz\n",gd->lbiu_clk/1000000); printf(" Local Bus: %4d MHz\n",gd->lclk_clk/1000000); - printf(" DDR: %4d MHz\n",gd->ddr_clk/1000000); - printf(" I2C: %4d MHz\n",gd->i2c_clk/1000000); - printf(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000); - printf(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000); - printf(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000); - printf(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000); - -#if 0 - DECLARE_GLOBAL_DATA_PTR; - - volatile immap_t *immap = (immap_t *) CFG_IMMR; - ulong sccr, dfbrg; - ulong scmr, corecnf, busdf, cpmdf, plldf, pllmf; - corecnf_t *cp; - - sccr = immap->im_clkrst.car_sccr; - dfbrg = (sccr & SCCR_DFBRG_MSK) >> SCCR_DFBRG_SHIFT; - - scmr = immap->im_clkrst.car_scmr; - corecnf = (scmr & SCMR_CORECNF_MSK) >> SCMR_CORECNF_SHIFT; - busdf = (scmr & SCMR_BUSDF_MSK) >> SCMR_BUSDF_SHIFT; - cpmdf = (scmr & SCMR_CPMDF_MSK) >> SCMR_CPMDF_SHIFT; - plldf = (scmr & SCMR_PLLDF) ? 1 : 0; - pllmf = (scmr & SCMR_PLLMF_MSK) >> SCMR_PLLMF_SHIFT; - - cp = &corecnf_tab[corecnf]; - - puts (CPU_ID_STR " Clock Configuration\n - Bus-to-Core Mult "); - - switch (cp->b2c_mult) { - case _byp: - puts ("BYPASS"); - break; + debug(" DDR: %4d MHz\n",gd->ddr_clk/1000000); + debug(" I2C: %4d MHz\n",gd->i2c_clk/1000000); + debug(" TSEC1: %4d MHz\n",gd->tsec1_clk/1000000); + debug(" TSEC2: %4d MHz\n",gd->tsec2_clk/1000000); + debug(" USB MPH: %4d MHz\n",gd->usbmph_clk/1000000); + debug(" USB DR: %4d MHz\n",gd->usbdr_clk/1000000); - case _off: - puts ("OFF"); - break; - - case _unk: - puts ("UNKNOWN"); - break; - - default: - printf ("%d%sx", - cp->b2c_mult / 2, - (cp->b2c_mult % 2) ? ".5" : ""); - break; - } - - printf (", VCO Div %d, 60x Bus Freq %s, Core Freq %s\n", - cp->vco_div, cp->freq_60x, cp->freq_core); - - printf (" - dfbrg %ld, corecnf 0x%02lx, busdf %ld, cpmdf %ld, " - "plldf %ld, pllmf %ld\n", dfbrg, corecnf, busdf, cpmdf, plldf, - pllmf); - - printf (" - vco_out %10ld, scc_clk %10ld, brg_clk %10ld\n", - gd->vco_out, gd->scc_clk, gd->brg_clk); - - 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; - - pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) * - ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1); - - printf (" - pci_clk %10ld\n", (gd->cpm_clk * 2) / pci_div); - } - putc ('\n'); -#endif return 0; } |