#include <mpc8260.h>
#include <asm/processor.h>
+#if defined(CONFIG_BOARD_GET_CPU_CLK_F)
+extern unsigned long board_get_cpu_clk_f (void);
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
/* ------------------------------------------------------------------------- */
/* Bus-to-Core Multiplier */
int get_clocks (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
volatile immap_t *immap = (immap_t *) CFG_IMMR;
ulong clkin;
ulong sccr, dfbrg;
#if !defined(CONFIG_8260_CLKIN)
#error clock measuring not implemented yet - define CONFIG_8260_CLKIN
+#else
+#if defined(CONFIG_BOARD_GET_CPU_CLK_F)
+ clkin = board_get_cpu_clk_f ();
#else
clkin = CONFIG_8260_CLKIN;
+#endif
#endif
sccr = immap->im_clkrst.car_sccr;
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];
- gd->vco_out = (clkin * 2 * (pllmf + 1)) / (plldf + 1);
+ busdf = (scmr & SCMR_BUSDF_MSK) >> SCMR_BUSDF_SHIFT;
+ cpmdf = (scmr & SCMR_CPMDF_MSK) >> SCMR_CPMDF_SHIFT;
+ /* HiP7, HiP7 Rev01, HiP7 RevA */
+ if ((get_pvr () == PVR_8260_HIP7) ||
+ (get_pvr () == PVR_8260_HIP7R1) ||
+ (get_pvr () == PVR_8260_HIP7RA)) {
+ pllmf = (scmr & SCMR_PLLMF_MSKH7) >> SCMR_PLLMF_SHIFT;
+ gd->vco_out = clkin * (pllmf + 1);
+ } else { /* HiP3, HiP4 */
+ pllmf = (scmr & SCMR_PLLMF_MSK) >> SCMR_PLLMF_SHIFT;
+ plldf = (scmr & SCMR_PLLDF) ? 1 : 0;
+ gd->vco_out = (clkin * 2 * (pllmf + 1)) / (plldf + 1);
+ }
#if 0
if (gd->vco_out / (busdf + 1) != clkin) {
/* aaarrrggghhh!!! */
int prt_8260_clks (void)
{
- DECLARE_GLOBAL_DATA_PTR;
-
volatile immap_t *immap = (immap_t *) CFG_IMMR;
ulong sccr, dfbrg;
- ulong scmr, corecnf, busdf, cpmdf, plldf, pllmf;
+ ulong scmr, corecnf, busdf, cpmdf, plldf, pllmf, pcidf;
corecnf_t *cp;
sccr = immap->im_clkrst.car_sccr;
cpmdf = (scmr & SCMR_CPMDF_MSK) >> SCMR_CPMDF_SHIFT;
plldf = (scmr & SCMR_PLLDF) ? 1 : 0;
pllmf = (scmr & SCMR_PLLMF_MSK) >> SCMR_PLLMF_SHIFT;
+ pcidf = (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT;
cp = &corecnf_tab[corecnf];
- printf ("MPC8260 Clock Configuration\n - Bus-to-Core Mult ");
+ puts (CPU_ID_STR " Clock Configuration\n - Bus-to-Core Mult ");
switch (cp->b2c_mult) {
case _byp:
- printf ("BYPASS");
+ puts ("BYPASS");
break;
case _off:
- printf ("OFF");
+ puts ("OFF");
break;
case _unk:
- printf ("UNKNOWN");
+ puts ("UNKNOWN");
break;
default:
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);
+ "plldf %ld, pllmf %ld, pcidf %ld\n",
+ dfbrg, corecnf, busdf, cpmdf,
+ plldf, pllmf, pcidf);
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\n",
+ 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);
+ }
+ putc ('\n');
+
return (0);
}
-
-/* ------------------------------------------------------------------------- */