/*
- * (C) Copyright 2000
+ * (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* See file CREDITS for list of people who contributed to this
*/
/*
- * m8xx.c
- *
* CPU specific code
*
* written or collected and sometimes rewritten by
get_sys_info(&sys_info);
#if CONFIG_405GP
- puts("IBM PowerPC 405GP");
+ puts ("IBM PowerPC 405GP");
if (pvr == PVR_405GPR_RB) {
putc('r');
}
- puts(" Rev. ");
+ puts (" Rev. ");
#endif
#if CONFIG_405CR
- puts("IBM PowerPC 405CR Rev. ");
+ puts ("IBM PowerPC 405CR Rev. ");
#endif
#if CONFIG_405EP
- puts("IBM PowerPC 405EP Rev. ");
+ puts ("IBM PowerPC 405EP Rev. ");
#endif
switch (pvr) {
case PVR_405GP_RB:
putc('B');
break;
default:
- printf("? (PVR=%08x)", pvr);
+ printf ("? (PVR=%08x)", pvr);
break;
}
- printf(" at %s MHz (PLB=%lu, OPB=%lu, EBC=%lu MHz)\n", strmhz(buf, clock),
+ 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, ",
+ 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);
- if (mfdcr(strap) & PSR_PCI_ARBIT_EN)
- printf("internal PCI arbiter enabled\n");
- else
- printf("external PCI arbiter enabled\n");
+ }
+ printf ("%sternal PCI arbiter enabled\n",
+ (mfdcr(strap) & PSR_PCI_ARBIT_EN) ? "in" : "ex");
#elif defined(CONFIG_405EP)
- if (mfdcr(cpc0_boot) & CPC0_BOOT_SEP)
- printf(" IIC Boot EEPROM enabled\n");
- else
- printf(" IIC Boot EEPROM disabled\n");
- printf(" PCI async ext clock used, ");
- if (mfdcr(cpc0_pci) & CPC0_PCI_ARBIT_EN)
- printf("internal PCI arbiter enabled\n");
- else
- printf("external PCI arbiter enabled\n");
+ 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");
#endif
#if defined(CONFIG_405EP)
- printf(" 16 kB I-Cache 16 kB D-Cache");
+ printf (" 16 kB I-Cache 16 kB D-Cache");
#else
- if ((pvr | 0x00000001) == PVR_405GPR_RB) {
- printf(" 16 kB I-Cache 16 kB D-Cache");
- } else {
- printf(" 16 kB I-Cache 8 kB D-Cache");
- }
+ printf (" 16 kB I-Cache %d kB D-Cache",
+ ((pvr | 0x00000001) == PVR_405GPR_RB) ? 16 : 8);
#endif
#endif /* defined(CONFIG_405GP) || defined(CONFIG_405CR) */
#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);
+ 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
#if defined(CONFIG_440)
- puts("IBM PowerPC 440 Rev. ");
- switch(pvr)
- {
+ puts ("IBM PowerPC 440 Rev. ");
+ switch(pvr) {
case PVR_440GP_RB:
putc('B');
- /* See errata 1.12: CHIP_4 */
- if( ( mfdcr(cpc0_sys0) != mfdcr(cpc0_strp0) )
- ||( mfdcr(cpc0_sys1) != mfdcr(cpc0_strp1) ) ){
- puts("\n\t CPC0_SYSx DCRs corrupted. Resetting chip ...\n");
- udelay( 1000 * 1000 ); /* Give time for serial buf to clear */
- do_chip_reset( mfdcr(cpc0_strp0), mfdcr(cpc0_strp1) );
- }
+ /* See errata 1.12: CHIP_4 */
+ if ((mfdcr(cpc0_sys0) != mfdcr(cpc0_strp0)) ||
+ (mfdcr(cpc0_sys1) != mfdcr(cpc0_strp1)) ){
+ puts ( "\n\t CPC0_SYSx DCRs corrupted. "
+ "Resetting chip ...\n");
+ udelay( 1000 * 1000 ); /* Give time for serial buf to clear */
+ do_chip_reset ( mfdcr(cpc0_strp0),
+ mfdcr(cpc0_strp1) );
+ }
break;
case PVR_440GP_RC:
putc('C');
break;
default:
- printf("UNKNOWN (PVR=%08x)", pvr);
+ printf ("UNKNOWN (PVR=%08x)", pvr);
break;
}
#endif
-
- printf("\n");
+ puts ("\n");
return 0;
}
#if defined(CONFIG_440)
static
-int do_chip_reset( unsigned long sys0, unsigned long sys1 )
+int do_chip_reset (unsigned long sys0, unsigned long sys1)
{
- /* Changes to cpc0_sys0 and cpc0_sys1 require chip
- * reset.
- */
- mtdcr( cntrl0, mfdcr(cntrl0) | 0x80000000 ); /* Set SWE */
- mtdcr( cpc0_sys0, sys0 );
- mtdcr( cpc0_sys1, sys1 );
- mtdcr( cntrl0, mfdcr(cntrl0) & ~0x80000000 ); /* Clr SWE */
- mtspr( dbcr0, 0x20000000); /* Reset the chip */
-
- return 1;
+ /* Changes to cpc0_sys0 and cpc0_sys1 require chip
+ * reset.
+ */
+ mtdcr (cntrl0, mfdcr (cntrl0) | 0x80000000); /* Set SWE */
+ mtdcr (cpc0_sys0, sys0);
+ mtdcr (cpc0_sys1, sys1);
+ mtdcr (cntrl0, mfdcr (cntrl0) & ~0x80000000); /* Clr SWE */
+ mtspr (dbcr0, 0x20000000); /* Reset the chip */
+
+ return 1;
}
#endif
/*
* Debug stuff
*/
-#undef __DEBUG_START_FROM_SRAM__
+#undef __DEBUG_START_FROM_SRAM__
#define __DISABLE_MACHINE_EXCEPTION__
#ifdef __DEBUG_START_FROM_SRAM__
#define CONFIG_SYS_CLK_FREQ 33333333 /* external frequency to pll */
-#if 1
-#define CONFIG_BAUDRATE 9600
-#else
#define CONFIG_BAUDRATE 115200
-#endif
-#define CONFIG_BOOTDELAY 3 /* autoboot after 3 seconds */
+#define CONFIG_BOOTDELAY 5 /* autoboot after 5 seconds */
#if 0
#define CONFIG_PREBOOT \
#undef CONFIG_BOOTARGS
#define CONFIG_RAMBOOTCOMMAND \
- "setenv bootargs root=/dev/ram rw nfsroot=$(serverip):$(rootpath) " \
- "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
+ "setenv bootargs root=/dev/ram rw " \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname):$(netdev):off;" \
"bootm ffc00000 ffca0000"
#define CONFIG_NFSBOOTCOMMAND \
"setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
- "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off;" \
+ "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname):$(netdev):off;" \
"bootm ffc00000"
#define CONFIG_PELK_NOR_KERNEL_NOR_RAMDISK_BOOTCOMMAND \
#define CONFIG_ETH1ADDR 00:50:c2:1e:af:fd
#undef CONFIG_EXT_PHY
-/*#define CONFIG_EXT_PHY*/
+
#define CONFIG_MII 1 /* MII PHY management */
#ifndef CONFIG_EXT_PHY
#define CONFIG_PHY_ADDR 1 /* PHY address */
#endif
#define CONFIG_PHY_CLK_FREQ EMAC_STACR_CLK_66MHZ
-#if 0 /* test-only */
#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
- CFG_CMD_IRQ | \
- CFG_CMD_ELF | \
CFG_CMD_DATE | \
- CFG_CMD_JFFS2 | \
- CFG_CMD_I2C | \
- CFG_CMD_EEPROM )
-#else
-#define CONFIG_COMMANDS ( CONFIG_CMD_DFL | \
- CFG_CMD_IRQ | \
CFG_CMD_ELF | \
- CFG_CMD_NAND | \
- CFG_CMD_MII | \
- CFG_CMD_DATE | \
+ CFG_CMD_EEPROM | \
CFG_CMD_I2C | \
- CFG_CMD_EEPROM )
-#endif
+ CFG_CMD_IRQ | \
+ CFG_CMD_MII | \
+ CFG_CMD_NAND )
#define CONFIG_MAC_PARTITION
#define CONFIG_DOS_PARTITION
* Miscellaneous configurable options
*/
#define CFG_LONGHELP /* undef to save memory */
-#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
#undef CFG_HUSH_PARSER /* use "hush" command parser */
#ifdef CFG_HUSH_PARSER
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