u32 corecnf_tab_index;
u8 corepll;
u32 lcrr;
-
+
u32 csb_clk;
u32 tsec1_clk;
u32 tsec2_clk;
u32 lbiu_clk;
u32 lclk_clk;
u32 ddr_clk;
-
+
if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32)im)
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 */
-
spmf = ((im->reset.rcwl & RCWL_SPMF) >> RCWL_SPMF_SHIFT);
clkin_div = ((im->clk.spmr & SPMR_CKID) >> SPMR_CKID_SHIFT);
-
+
if ((im->reset.rcwl & RCWL_LBIUCM) || (im->reset.rcwl & RCWL_DDRCM)) {
csb_clk = (pci_sync_in * spmf * (1 + clkin_div)) / 2;
}
else {
csb_clk = pci_sync_in * spmf * (1 + clkin_div);
}
-
+
sccr = im->clk.sccr;
switch ((sccr & SCCR_TSEC1CM) >> SCCR_TSEC1CM_SHIFT) {
case 0:
/* unkown SCCR_TSEC1CM value */
return -4;
}
-
+
switch ((sccr & SCCR_TSEC2CM) >> SCCR_TSEC2CM_SHIFT) {
case 0:
tsec2_clk = 0;
return -5;
}
i2c_clk = tsec2_clk;
-
+
switch ((sccr & SCCR_ENCCM) >> SCCR_ENCCM_SHIFT) {
case 0:
enc_clk = 0;
/* unkown SCCR_ENCCM value */
return -6;
}
-
+
switch ((sccr & SCCR_USBMPHCM) >> SCCR_USBMPHCM_SHIFT) {
case 0:
usbmph_clk = 0;
/* unkown SCCR_USBDRCM value */
return -8;
}
-
+
if (usbmph_clk != 0
&& usbdr_clk != 0
&& usbmph_clk != usbdr_clk ) {
/* if USB MPH clock is not disabled and USB DR clock is not disabled than USB MPH & USB DR must have the same rate */
return -9;
}
-
+
lbiu_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_LBIUCM) >> RCWL_LBIUCM_SHIFT));
lcrr = (im->lbus.lcrr & LCRR_CLKDIV) >> LCRR_CLKDIV_SHIFT;
switch (lcrr) {
/* unknown lcrr */
return -10;
}
-
+
ddr_clk = csb_clk * (1 + ((im->reset.rcwl & RCWL_DDRCM) >> RCWL_DDRCM_SHIFT));
-
+
corepll = (im->reset.rcwl & RCWL_COREPLL) >> RCWL_COREPLL_SHIFT;
corecnf_tab_index = ((corepll & 0x1F) << 2) | ((corepll & 0x60) >> 5);
if (corecnf_tab_index > (sizeof(corecnf_tab)/sizeof(corecnf_t)) ) {
/* unkown core to csb ratio */
return -12;
}
-
+
gd->csb_clk = csb_clk ;
gd->tsec1_clk = tsec1_clk ;
gd->tsec2_clk = tsec2_clk ;
gd->usbmph_clk = usbmph_clk;
gd->usbdr_clk = usbdr_clk ;
gd->i2c_clk = i2c_clk ;
- gd->enc_clk = enc_clk ;
+ gd->enc_clk = enc_clk ;
gd->lbiu_clk = lbiu_clk ;
gd->lclk_clk = lclk_clk ;
gd->ddr_clk = ddr_clk ;
-
+ gd->pci_clk = pci_sync_in;
+
gd->cpu_clk = gd->core_clk;
gd->bus_clk = gd->lbiu_clk;
return 0;
int print_clock_conf (void)
{
DECLARE_GLOBAL_DATA_PTR;
-
+
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;
+ 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);
- 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;
-
- 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);
+ return 0;
}
-
projects / karo-tx-uboot.git / blobdiff