#elif defined(CONFIG_440)
+#if !defined(CONFIG_440_GX)
void get_sys_info (sys_info_t * sysInfo)
{
unsigned long strp0;
sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA;
sysInfo->freqPLB = sysInfo->freqVCOMhz/sysInfo->pllFwdDivB;
if( get_pvr() == PVR_440GP_RB ) /* Rev B divs an extra 2 -- geez! */
- sysInfo->freqPLB >>= 1;
+ sysInfo->freqPLB >>= 1;
sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv;
sysInfo->freqEPB = sysInfo->freqOPB/sysInfo->pllExtBusDiv;
}
+#else
+void get_sys_info (sys_info_t * sysInfo)
+{
+ unsigned long strp0;
+ unsigned long strp1;
+ unsigned long temp;
+ unsigned long temp1;
+ unsigned long lfdiv;
+ unsigned long m;
+ unsigned long prbdv0;
+
+ /* Extract configured divisors */
+ mfsdr( sdr_sdstp0,strp0 );
+ mfsdr( sdr_sdstp1,strp1 );
+
+ temp = ((strp0 & PLLSYS0_FWD_DIV_A_MASK) >> 8);
+ sysInfo->pllFwdDivA = temp ? temp : 16 ;
+ temp = ((strp0 & PLLSYS0_FWD_DIV_B_MASK) >> 5);
+ sysInfo->pllFwdDivB = temp ? temp: 8 ;
+ temp = (strp0 & PLLSYS0_FB_DIV_MASK) >> 12;
+ sysInfo->pllFbkDiv = temp ? temp : 32;
+ temp = (strp0 & PLLSYS0_OPB_DIV_MASK);
+ sysInfo->pllOpbDiv = temp ? temp : 4;
+ temp = (strp1 & PLLSYS1_PERCLK_DIV_MASK) >> 24;
+ sysInfo->pllExtBusDiv = temp ? temp : 4;
+ prbdv0 = (strp0 >> 2) & 0x7;
+
+ /* Calculate 'M' based on feedback source */
+ temp = (strp0 & PLLSYS0_SEL_MASK) >> 27;
+ temp1 = (strp1 & PLLSYS1_LF_DIV_MASK) >> 26;
+ lfdiv = temp1 ? temp1 : 64;
+ if (temp == 0) { /* PLL output */
+ /* Figure which pll to use */
+ temp = (strp0 & PLLSYS0_SRC_MASK) >> 30;
+ if (!temp)
+ m = sysInfo->pllFbkDiv * lfdiv * sysInfo->pllFwdDivA;
+ else
+ m = sysInfo->pllFbkDiv * lfdiv * sysInfo->pllFwdDivB;
+ }
+ else if (temp == 1) /* CPU output */
+ m = sysInfo->pllFbkDiv * sysInfo->pllFwdDivA;
+ else /* PerClk */
+ m = sysInfo->pllExtBusDiv * sysInfo->pllOpbDiv * sysInfo->pllFwdDivB;
+
+ /* Now calculate the individual clocks */
+ sysInfo->freqVCOMhz = (m * CONFIG_SYS_CLK_FREQ) + (m>>1);
+ sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA;
+ sysInfo->freqPLB = sysInfo->freqVCOMhz/sysInfo->pllFwdDivB/prbdv0;
+ sysInfo->freqOPB = sysInfo->freqPLB/sysInfo->pllOpbDiv;
+ sysInfo->freqEPB = sysInfo->freqOPB/sysInfo->pllExtBusDiv;
+
+}
+#endif
ulong get_OPB_freq (void)
{
return sys_info.freqOPB;
}
+#elif defined(CONFIG_XILINX_ML300)
+extern void get_sys_info (sys_info_t * sysInfo);
+extern ulong get_PCI_freq (void);
+
#elif defined(CONFIG_405)
void get_sys_info (sys_info_t * sysInfo) {
}
+#elif defined(CONFIG_405EP)
+void get_sys_info (PPC405_SYS_INFO * sysInfo)
+{
+ unsigned long pllmr0;
+ unsigned long pllmr1;
+ unsigned long sysClkPeriodPs = ONE_BILLION / (CONFIG_SYS_CLK_FREQ / 1000);
+ unsigned long m;
+ unsigned long pllmr0_ccdv;
+
+ /*
+ * Read PLL Mode registers
+ */
+ pllmr0 = mfdcr (cpc0_pllmr0);
+ pllmr1 = mfdcr (cpc0_pllmr1);
+
+ /*
+ * Determine forward divider A
+ */
+ sysInfo->pllFwdDiv = 8 - ((pllmr1 & PLLMR1_FWDVA_MASK) >> 16);
+
+ /*
+ * Determine forward divider B (should be equal to A)
+ */
+ sysInfo->pllFwdDivB = 8 - ((pllmr1 & PLLMR1_FWDVB_MASK) >> 12);
+
+ /*
+ * Determine FBK_DIV.
+ */
+ sysInfo->pllFbkDiv = ((pllmr1 & PLLMR1_FBMUL_MASK) >> 20);
+ if (sysInfo->pllFbkDiv == 0) {
+ sysInfo->pllFbkDiv = 16;
+ }
+
+ /*
+ * Determine PLB_DIV.
+ */
+ sysInfo->pllPlbDiv = ((pllmr0 & PLLMR0_CPU_TO_PLB_MASK) >> 16) + 1;
+
+ /*
+ * Determine PCI_DIV.
+ */
+ sysInfo->pllPciDiv = (pllmr0 & PLLMR0_PCI_TO_PLB_MASK) + 1;
+
+ /*
+ * Determine EXTBUS_DIV.
+ */
+ sysInfo->pllExtBusDiv = ((pllmr0 & PLLMR0_EXB_TO_PLB_MASK) >> 8) + 2;
+
+ /*
+ * Determine OPB_DIV.
+ */
+ sysInfo->pllOpbDiv = ((pllmr0 & PLLMR0_OPB_TO_PLB_MASK) >> 12) + 1;
+
+ /*
+ * Determine the M factor
+ */
+ m = sysInfo->pllFbkDiv * sysInfo->pllFwdDivB;
+
+ /*
+ * Determine VCO clock frequency
+ */
+ sysInfo->freqVCOMhz = (1000000 * m) / sysClkPeriodPs;
+
+ /*
+ * Determine CPU clock frequency
+ */
+ pllmr0_ccdv = ((pllmr0 & PLLMR0_CPU_DIV_MASK) >> 20) + 1;
+ if (pllmr1 & PLLMR1_SSCS_MASK) {
+ /*
+ * This is true if FWDVA == FWDVB:
+ * sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv)
+ * / pllmr0_ccdv;
+ */
+ sysInfo->freqProcessor = (CONFIG_SYS_CLK_FREQ * sysInfo->pllFbkDiv * sysInfo->pllFwdDivB)
+ / sysInfo->pllFwdDiv / pllmr0_ccdv;
+ } else {
+ sysInfo->freqProcessor = CONFIG_SYS_CLK_FREQ / pllmr0_ccdv;
+ }
+
+ /*
+ * Determine PLB clock frequency
+ */
+ sysInfo->freqPLB = sysInfo->freqProcessor / sysInfo->pllPlbDiv;
+
+ if (!((sysInfo->freqVCOMhz >= VCO_MIN) && (sysInfo->freqVCOMhz <= VCO_MAX))) {
+ printf ("\nInvalid VCO frequency calculated : %ld MHz \a\n",
+ sysInfo->freqVCOMhz);
+ printf ("It must be between %d-%d MHz \a\n", VCO_MIN, VCO_MAX);
+ printf ("PLL Mode reg 0 : %8.8lx\a\n", pllmr0);
+ printf ("PLL Mode reg 1 : %8.8lx\a\n", pllmr1);
+ hang ();
+ }
+}
+
+
+/********************************************
+ * get_OPB_freq
+ * return OPB bus freq in Hz
+ *********************************************/
+ulong get_OPB_freq (void)
+{
+ ulong val = 0;
+
+ PPC405_SYS_INFO sys_info;
+
+ get_sys_info (&sys_info);
+ val = sys_info.freqPLB / sys_info.pllOpbDiv;
+
+ return val;
+}
+
+
+/********************************************
+ * get_PCI_freq
+ * return PCI bus freq in Hz
+ *********************************************/
+ulong get_PCI_freq (void)
+{
+ ulong val;
+ PPC405_SYS_INFO sys_info;
+
+ get_sys_info (&sys_info);
+ val = sys_info.freqPLB / sys_info.pllPciDiv;
+ return val;
+}
+
#endif
int get_clocks (void)
{
-#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) || defined(CONFIG_405)
+#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) || defined(CONFIG_405) || defined(CONFIG_405EP)
DECLARE_GLOBAL_DATA_PTR;
sys_info_t sys_info;
{
ulong val;
-#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405) || defined(CONFIG_440)
+#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405) || defined(CONFIG_440) || defined(CONFIG_405EP)
sys_info_t sys_info;
get_sys_info (&sys_info);
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