/*
- * (C) Copyright 2000-2003
+ * (C) Copyright 2000-2006
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
#include <asm/cache.h>
#include <ppc4xx.h>
+#if !defined(CONFIG_405)
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
#if defined(CONFIG_440)
-static int do_chip_reset( unsigned long sys0, unsigned long sys1 );
+#define FREQ_EBC (sys_info.freqEPB)
+#else
+#define FREQ_EBC (sys_info.freqPLB / sys_info.pllExtBusDiv)
#endif
-/* ------------------------------------------------------------------------- */
+#if defined(CONFIG_405GP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
-int checkcpu (void)
+#define PCI_ASYNC
+
+int pci_async_enabled(void)
{
-#if defined(CONFIG_405GP) || \
- defined(CONFIG_405CR) || \
- defined(CONFIG_405EP) || \
- defined(CONFIG_440) || \
- defined(CONFIG_IOP480)
- uint pvr = get_pvr();
+#if defined(CONFIG_405GP)
+ return (mfdcr(strap) & PSR_PCI_ASYNC_EN);
#endif
-#if defined(CONFIG_405GP) || \
- defined(CONFIG_405CR) || \
- defined(CONFIG_405EP) || \
- defined(CONFIG_IOP480)
- DECLARE_GLOBAL_DATA_PTR;
+#if defined(CONFIG_440EP) || defined(CONFIG_440GR)
+ unsigned long val;
+
+ mfsdr(sdr_sdstp1, val);
+ return (val & SDR0_SDSTP1_PAME_MASK);
+#endif
+}
+#endif
+
+#if defined(CONFIG_PCI) && !defined(CONFIG_IOP480) && !defined(CONFIG_405)
+int pci_arbiter_enabled(void)
+{
+#if defined(CONFIG_405GP)
+ return (mfdcr(strap) & PSR_PCI_ARBIT_EN);
+#endif
+
+#if defined(CONFIG_405EP)
+ return (mfdcr(cpc0_pci) & CPC0_PCI_ARBIT_EN);
+#endif
+
+#if defined(CONFIG_440GP)
+ return (mfdcr(cpc0_strp1) & CPC0_STRP1_PAE_MASK);
+#endif
+
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+ unsigned long val;
+
+ mfsdr(sdr_sdstp1, val);
+ return (val & SDR0_SDSTP1_PAE_MASK);
+#endif
+}
+#endif
+
+#if defined(CONFIG_405EP)|| defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
+ defined(CONFIG_440GX) || defined(CONFIG_440SP)
+
+#define I2C_BOOTROM
+
+int i2c_bootrom_enabled(void)
+{
+#if defined(CONFIG_405EP)
+ return (mfdcr(cpc0_boot) & CPC0_BOOT_SEP);
+#endif
+
+#if defined(CONFIG_440GX) || defined(CONFIG_440EP) || defined(CONFIG_440GR) || defined(CONFIG_440SP)
+ unsigned long val;
+
+ mfsdr(sdr_sdcs, val);
+ return (val & SDR0_SDCS_SDD);
+#endif
+}
+#endif
+
+
+#if defined(CONFIG_440)
+static int do_chip_reset(unsigned long sys0, unsigned long sys1);
+#endif
+
+
+int checkcpu (void)
+{
+#if !defined(CONFIG_405) /* not used on Xilinx 405 FPGA implementations */
+ uint pvr = get_pvr();
ulong clock = gd->cpu_clk;
char buf[32];
-#endif
-#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP)
- PPC405_SYS_INFO sys_info;
+#if !defined(CONFIG_IOP480)
+ sys_info_t sys_info;
puts ("CPU: ");
get_sys_info(&sys_info);
-#ifdef CONFIG_405GP
- puts ("AMCC PowerPC 405GP");
- if (pvr == PVR_405GPR_RB) {
- putc('r');
- }
- puts (" Rev. ");
-#endif
-#ifdef CONFIG_405CR
- puts ("AMCC PowerPC 405CR Rev. ");
+ puts("AMCC PowerPC 4");
+
+#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_405EP)
+ puts("05");
#endif
-#ifdef CONFIG_405EP
- puts ("AMCC PowerPC 405EP Rev. ");
+#if defined(CONFIG_440)
+ puts("40");
#endif
+
switch (pvr) {
case PVR_405GP_RB:
- case PVR_405GPR_RB:
- putc('B');
+ puts("GP Rev. B");
break;
+
case PVR_405GP_RC:
-#ifdef CONFIG_405CR
- case PVR_405CR_RC:
-#endif
- putc('C');
+ puts("GP Rev. C");
break;
+
case PVR_405GP_RD:
- putc('D');
+ puts("GP Rev. D");
break;
+
#ifdef CONFIG_405GP
- case PVR_405GP_RE:
- putc('E');
+ case PVR_405GP_RE: /* 405GP rev E and 405CR rev C have same PVR */
+ puts("GP Rev. E");
break;
#endif
+
case PVR_405CR_RA:
- putc('A');
+ puts("CR Rev. A");
break;
+
case PVR_405CR_RB:
- case PVR_405EP_RB:
- putc('B');
- break;
- default:
- printf ("? (PVR=%08x)", pvr);
+ puts("CR Rev. B");
break;
- }
-
- printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock),
- sys_info.freqPLB / 1000000,
- sys_info.freqPLB / sys_info.pllOpbDiv / 1000000,
- sys_info.freqPLB / sys_info.pllExtBusDiv / 1000000);
-#if defined(CONFIG_405GP)
- if (mfdcr(strap) & PSR_PCI_ASYNC_EN) {
- printf (" PCI async ext clock used, ");
- } else {
- printf (" PCI sync clock at %lu MHz, ",
- sys_info.freqPLB / sys_info.pllPciDiv / 1000000);
- }
- printf ("%sternal PCI arbiter enabled\n",
- (mfdcr(strap) & PSR_PCI_ARBIT_EN) ? "in" : "ex");
-#elif defined(CONFIG_405EP)
- printf (" IIC Boot EEPROM %sabled\n",
- (mfdcr(cpc0_boot) & CPC0_BOOT_SEP) ? "en" : "dis");
- printf (" PCI async ext clock used, ");
- printf ("%sternal PCI arbiter enabled\n",
- (mfdcr(cpc0_pci) & CPC0_PCI_ARBIT_EN) ? "in" : "ex");
+#ifdef CONFIG_405CR
+ case PVR_405CR_RC: /* 405GP rev E and 405CR rev C have same PVR */
+ puts("CR Rev. C");
+ break;
#endif
-#if defined(CONFIG_405EP)
- printf (" 16 kB I-Cache 16 kB D-Cache");
-#else
- printf (" 16 kB I-Cache %d kB D-Cache",
- ((pvr | 0x00000001) == PVR_405GPR_RB) ? 16 : 8);
-#endif
-#endif /* defined(CONFIG_405GP) || defined(CONFIG_405CR) */
+ case PVR_405GPR_RB:
+ puts("GPr Rev. B");
+ break;
-#ifdef CONFIG_IOP480
- printf ("PLX IOP480 (PVR=%08x)", pvr);
- printf (" at %s MHz:", strmhz(buf, clock));
- printf (" %u kB I-Cache", 4);
- printf (" %u kB D-Cache", 2);
-#endif
+ case PVR_405EP_RB:
+ puts("EP Rev. B");
+ break;
#if defined(CONFIG_440)
- puts ("AMCC PowerPC 440 ");
- switch(pvr) {
case PVR_440GP_RB:
puts("GP Rev. B");
/* See errata 1.12: CHIP_4 */
mfdcr(cpc0_strp1) );
}
break;
+
case PVR_440GP_RC:
puts("GP Rev. C");
break;
+
case PVR_440GX_RA:
puts("GX Rev. A");
break;
+
case PVR_440GX_RB:
puts("GX Rev. B");
break;
+
case PVR_440GX_RC:
puts("GX Rev. C");
break;
-#if defined(CONFIG_440_GR)
+
+ case PVR_440GX_RF:
+ puts("GX Rev. F");
+ break;
+
case PVR_440EP_RA:
+ puts("EP Rev. A");
+ break;
+
+#ifdef CONFIG_440EP
+ case PVR_440EP_RB: /* 440EP rev B and 440GR rev A have same PVR */
+ puts("EP Rev. B");
+ break;
+
+ case PVR_440EP_RC: /* 440EP rev C and 440GR rev B have same PVR */
+ puts("EP Rev. C");
+ break;
+#endif /* CONFIG_440EP */
+
+#ifdef CONFIG_440GR
+ case PVR_440GR_RA: /* 440EP rev B and 440GR rev A have same PVR */
puts("GR Rev. A");
break;
- case PVR_440EP_RB:
+
+ case PVR_440GR_RB: /* 440EP rev C and 440GR rev B have same PVR */
puts("GR Rev. B");
break;
-#else
- case PVR_440EP_RA:
- puts("EP Rev. A");
+#endif /* CONFIG_440GR */
+#endif /* CONFIG_440 */
+
+ case PVR_440SP_RA:
+ puts("SP Rev. A");
break;
- case PVR_440EP_RB:
- puts("EP Rev. B");
+
+ case PVR_440SP_RB:
+ puts("SP Rev. B");
break;
-#endif
default:
- printf ("UNKNOWN (PVR=%08x)", pvr);
+ printf (" UNKNOWN (PVR=%08x)", pvr);
break;
}
+
+ printf (" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock),
+ sys_info.freqPLB / 1000000,
+ sys_info.freqPLB / sys_info.pllOpbDiv / 1000000,
+ FREQ_EBC / 1000000);
+
+#if defined(I2C_BOOTROM)
+ printf (" I2C boot EEPROM %sabled\n", i2c_bootrom_enabled() ? "en" : "dis");
+#endif
+
+#if defined(CONFIG_PCI)
+ printf (" Internal PCI arbiter %sabled", pci_arbiter_enabled() ? "en" : "dis");
+#endif
+
+#if defined(PCI_ASYNC)
+ if (pci_async_enabled()) {
+ printf (", PCI async ext clock used");
+ } else {
+ printf (", PCI sync clock at %lu MHz",
+ sys_info.freqPLB / sys_info.pllPciDiv / 1000000);
+ }
+#endif
+
+#if defined(CONFIG_PCI)
+ putc('\n');
+#endif
+
+#if defined(CONFIG_405EP)
+ printf (" 16 kB I-Cache 16 kB D-Cache");
+#elif defined(CONFIG_440)
+ printf (" 32 kB I-Cache 32 kB D-Cache");
+#else
+ printf (" 16 kB I-Cache %d kB D-Cache",
+ ((pvr | 0x00000001) == PVR_405GPR_RB) ? 16 : 8);
+#endif
+#endif /* !defined(CONFIG_IOP480) */
+
+#if defined(CONFIG_IOP480)
+ printf ("PLX IOP480 (PVR=%08x)", pvr);
+ printf (" at %s MHz:", strmhz(buf, clock));
+ printf (" %u kB I-Cache", 4);
+ printf (" %u kB D-Cache", 2);
#endif
- puts ("\n");
+
+#endif /* !defined(CONFIG_405) */
+
+ putc ('\n');
return 0;
}
}
#if defined(CONFIG_440)
-static
-int do_chip_reset (unsigned long sys0, unsigned long sys1)
+static int do_chip_reset (unsigned long sys0, unsigned long sys1)
{
/* Changes to cpc0_sys0 and cpc0_sys1 require chip
* reset.
*/
unsigned long get_tbclk (void)
{
-#if defined(CONFIG_440)
-
+#if !defined(CONFIG_IOP480)
sys_info_t sys_info;
get_sys_info(&sys_info);
return (sys_info.freqProcessor);
-
-#elif defined(CONFIG_405GP) || \
- defined(CONFIG_405CR) || \
- defined(CONFIG_405) || \
- defined(CONFIG_405EP)
-
- PPC405_SYS_INFO sys_info;
-
- get_sys_info(&sys_info);
- return (sys_info.freqProcessor);
-
-#elif defined(CONFIG_IOP480)
-
- return (66000000);
-
#else
-
-# error get_tbclk() not implemented
-
+ return (66000000);
#endif
}
projects / karo-tx-uboot.git / blobdiff