cmd_reginfo.c

uboot详细解读可用启动引导LINUX2.6内核

	puts ("\nMemory (SDRAM) Configuration\n"
	    "mcopt1   rtr      pmit     mb0cf    mb1cf    sdtr1\n");

	mtdcr(memcfga,mem_mcopt1);	printf ("%08x ", mfdcr(memcfgd));
	mtdcr(memcfga,mem_rtr);		printf ("%08x ", mfdcr(memcfgd));
	mtdcr(memcfga,mem_pmit);	printf ("%08x ", mfdcr(memcfgd));
	mtdcr(memcfga,mem_mb0cf);	printf ("%08x ", mfdcr(memcfgd));
	mtdcr(memcfga,mem_mb1cf);	printf ("%08x ", mfdcr(memcfgd));
	mtdcr(memcfga,mem_sdtr1);	printf ("%08x ", mfdcr(memcfgd));

	printf ("\n\n"
	    "DMA Channels\n"
	    "dmasr    dmasgc   dmaadr\n"			"%08x %08x %08x\n"
	    "dmacr_0  dmact_0  dmada_0  dmasa_0  dmasb_0\n"	"%08x %08x %08x %08x %08x\n"
	    "dmacr_1  dmact_1  dmada_1  dmasa_1  dmasb_1\n"	"%08x %08x %08x %08x %08x\n",
	mfdcr(dmasr),  mfdcr(dmasgc),mfdcr(dmaadr),
	mfdcr(dmacr0), mfdcr(dmact0),mfdcr(dmada0), mfdcr(dmasa0), mfdcr(dmasb0),
	mfdcr(dmacr1), mfdcr(dmact1),mfdcr(dmada1), mfdcr(dmasa1), mfdcr(dmasb1));

	printf (
	    "dmacr_2  dmact_2  dmada_2  dmasa_2  dmasb_2\n"	"%08x %08x %08x %08x %08x\n"
	    "dmacr_3  dmact_3  dmada_3  dmasa_3  dmasb_3\n"	"%08x %08x %08x %08x %08x\n",
	mfdcr(dmacr2), mfdcr(dmact2),mfdcr(dmada2), mfdcr(dmasa2), mfdcr(dmasb2),
	mfdcr(dmacr3), mfdcr(dmact3),mfdcr(dmada3), mfdcr(dmasa3), mfdcr(dmasb3) );

	puts ("\n"
	    "External Bus\n"
	    "pbear    pbesr0   pbesr1   epcr\n");
	mtdcr(ebccfga,pbear);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pbesr0);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pbesr1);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,epcr);	printf ("%08x ", mfdcr(ebccfgd));

	puts ("\n"
	    "pb0cr    pb0ap    pb1cr    pb1ap    pb2cr    pb2ap    pb3cr    pb3ap\n");
	mtdcr(ebccfga,pb0cr);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb0ap);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb1cr);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb1ap);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb2cr);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb2ap);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb3cr);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb3ap);	printf ("%08x ", mfdcr(ebccfgd));

	puts ("\n"
	    "pb4cr    pb4ap\n");
	mtdcr(ebccfga,pb4cr);	printf ("%08x ", mfdcr(ebccfgd));
	mtdcr(ebccfga,pb4ap);	printf ("%08x ", mfdcr(ebccfgd));

	puts ("\n\n");
#elif defined(CONFIG_5xx)

	volatile immap_t	*immap  = (immap_t *)CFG_IMMR;
	volatile memctl5xx_t	*memctl = &immap->im_memctl;
	volatile sysconf5xx_t	*sysconf = &immap->im_siu_conf;
	volatile sit5xx_t	*timers = &immap->im_sit;
	volatile car5xx_t	*car = &immap->im_clkrst;
	volatile uimb5xx_t	*uimb = &immap->im_uimb;

	puts ("\nSystem Configuration registers\n");
	printf("\tIMMR\t0x%08X\tSIUMCR\t0x%08X \n", get_immr(0), sysconf->sc_siumcr);
	printf("\tSYPCR\t0x%08X\tSWSR\t0x%04X \n" ,sysconf->sc_sypcr, sysconf->sc_swsr);
	printf("\tSIPEND\t0x%08X\tSIMASK\t0x%08X \n", sysconf->sc_sipend, sysconf->sc_simask);
	printf("\tSIEL\t0x%08X\tSIVEC\t0x%08X \n", sysconf->sc_siel, sysconf->sc_sivec);
	printf("\tTESR\t0x%08X\n", sysconf->sc_tesr);

	puts ("\nMemory Controller Registers\n");
	printf("\tBR0\t0x%08X\tOR0\t0x%08X \n", memctl->memc_br0, memctl->memc_or0);
	printf("\tBR1\t0x%08X\tOR1\t0x%08X \n", memctl->memc_br1, memctl->memc_or1);
	printf("\tBR2\t0x%08X\tOR2\t0x%08X \n", memctl->memc_br2, memctl->memc_or2);
	printf("\tBR3\t0x%08X\tOR3\t0x%08X \n", memctl->memc_br3, memctl->memc_or3);
	printf("\tDMBR\t0x%08X\tDMOR\t0x%08X \n", memctl->memc_dmbr, memctl->memc_dmor );
	printf("\tMSTAT\t0x%08X\n", memctl->memc_mstat);

	puts ("\nSystem Integration Timers\n");
	printf("\tTBSCR\t0x%08X\tRTCSC\t0x%08X \n", timers->sit_tbscr, timers->sit_rtcsc);
	printf("\tPISCR\t0x%08X \n", timers->sit_piscr);

	puts ("\nClocks and Reset\n");
	printf("\tSCCR\t0x%08X\tPLPRCR\t0x%08X \n", car->car_sccr, car->car_plprcr);

	puts ("\nU-Bus to IMB3 Bus Interface\n");
	printf("\tUMCR\t0x%08X\tUIPEND\t0x%08X \n", uimb->uimb_umcr, uimb->uimb_uipend);
	puts ("\n\n");

#elif defined(CONFIG_MPC5200)
	puts ("\nMPC5200 registers\n");
	printf ("MBAR=%08x\n", CFG_MBAR);
	puts ("Memory map registers\n");
	printf ("\tCS0: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS0_START,
		*(volatile ulong*)MPC5XXX_CS0_STOP,
		*(volatile ulong*)MPC5XXX_CS0_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x00010000) ? 1 : 0);
	printf ("\tCS1: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS1_START,
		*(volatile ulong*)MPC5XXX_CS1_STOP,
		*(volatile ulong*)MPC5XXX_CS1_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x00020000) ? 1 : 0);
	printf ("\tCS2: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS2_START,
		*(volatile ulong*)MPC5XXX_CS2_STOP,
		*(volatile ulong*)MPC5XXX_CS2_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x00040000) ? 1 : 0);
	printf ("\tCS3: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS3_START,
		*(volatile ulong*)MPC5XXX_CS3_STOP,
		*(volatile ulong*)MPC5XXX_CS3_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x00080000) ? 1 : 0);
	printf ("\tCS4: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS4_START,
		*(volatile ulong*)MPC5XXX_CS4_STOP,
		*(volatile ulong*)MPC5XXX_CS4_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x00100000) ? 1 : 0);
	printf ("\tCS5: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS5_START,
		*(volatile ulong*)MPC5XXX_CS5_STOP,
		*(volatile ulong*)MPC5XXX_CS5_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x00200000) ? 1 : 0);
	printf ("\tCS6: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS6_START,
		*(volatile ulong*)MPC5XXX_CS6_STOP,
		*(volatile ulong*)MPC5XXX_CS6_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x04000000) ? 1 : 0);
	printf ("\tCS7: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_CS7_START,
		*(volatile ulong*)MPC5XXX_CS7_STOP,
		*(volatile ulong*)MPC5XXX_CS7_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x08000000) ? 1 : 0);
	printf ("\tBOOTCS: start %08lX\tstop %08lX\tconfig %08lX\ten %d\n",
		*(volatile ulong*)MPC5XXX_BOOTCS_START,
		*(volatile ulong*)MPC5XXX_BOOTCS_STOP,
		*(volatile ulong*)MPC5XXX_BOOTCS_CFG,
		(*(volatile ulong*)MPC5XXX_ADDECR & 0x02000000) ? 1 : 0);
	printf ("\tSDRAMCS0: %08lX\n",
		*(volatile ulong*)MPC5XXX_SDRAM_CS0CFG);
	printf ("\tSDRAMCS1: %08lX\n",
		*(volatile ulong*)MPC5XXX_SDRAM_CS1CFG);
#elif defined(CONFIG_MPC86xx)
	mpc86xx_reginfo();

#elif defined(CONFIG_BLACKFIN)
	puts("\nSystem Configuration registers\n");

	puts("\nPLL Registers\n");
	printf("\tPLL_DIV:   0x%04x   PLL_CTL:      0x%04x\n",
		bfin_read_PLL_DIV(), bfin_read_PLL_CTL());
	printf("\tPLL_STAT:  0x%04x   PLL_LOCKCNT:  0x%04x\n",
		bfin_read_PLL_STAT(), bfin_read_PLL_LOCKCNT());
	printf("\tVR_CTL:    0x%04x\n", bfin_read_VR_CTL());

	puts("\nEBIU AMC Registers\n");
	printf("\tEBIU_AMGCTL:   0x%04x\n", bfin_read_EBIU_AMGCTL());
	printf("\tEBIU_AMBCTL0:  0x%08x   EBIU_AMBCTL1:  0x%08x\n",
		bfin_read_EBIU_AMBCTL0(), bfin_read_EBIU_AMBCTL1());
# ifdef EBIU_MODE
	printf("\tEBIU_MBSCTL:   0x%08x   EBIU_ARBSTAT:  0x%08x\n",
		bfin_read_EBIU_MBSCTL(), bfin_read_EBIU_ARBSTAT());
	printf("\tEBIU_MODE:     0x%08x   EBIU_FCTL:     0x%08x\n",
		bfin_read_EBIU_MODE(), bfin_read_EBIU_FCTL());
# endif

# ifdef EBIU_RSTCTL
	puts("\nEBIU DDR Registers\n");
	printf("\tEBIU_DDRCTL0:  0x%08x   EBIU_DDRCTL1:  0x%08x\n",
		bfin_read_EBIU_DDRCTL0(), bfin_read_EBIU_DDRCTL1());
	printf("\tEBIU_DDRCTL2:  0x%08x   EBIU_DDRCTL3:  0x%08x\n",
		bfin_read_EBIU_DDRCTL2(), bfin_read_EBIU_DDRCTL3());
	printf("\tEBIU_DDRQUE:   0x%08x   EBIU_RSTCTL    0x%04x\n",
		bfin_read_EBIU_DDRQUE(), bfin_read_EBIU_RSTCTL());
	printf("\tEBIU_ERRADD:   0x%08x   EBIU_ERRMST:   0x%04x\n",
		bfin_read_EBIU_ERRADD(), bfin_read_EBIU_ERRMST());
# else
	puts("\nEBIU SDC Registers\n");
	printf("\tEBIU_SDRRC:   0x%04x   EBIU_SDBCTL:  0x%04x\n",
		bfin_read_EBIU_SDRRC(), bfin_read_EBIU_SDBCTL());
	printf("\tEBIU_SDSTAT:  0x%04x   EBIU_SDGCTL:  0x%08x\n",
		bfin_read_EBIU_SDSTAT(), bfin_read_EBIU_SDGCTL());
# endif

#endif /* CONFIG_BLACKFIN */

	return 0;
}

 /**************************************************/

#if defined(CONFIG_CMD_REGINFO)
U_BOOT_CMD(
	reginfo,	2,	1,	do_reginfo,
	"reginfo - print register information\n",
);
#endif