cmd_immap.c

u-boot-1.1.6 源码包

	case 'p':
		cmd = PAR;
		break;
	case 'o':
		cmd = ODR;
		break;
	case 's':
		cmd = SOR;
		break;
#if defined(CONFIG_8xx)
	case 'i':
		cmd = INT;
		break;
#endif
	default:
		printf ("iopset: unknown command %s\n", argv[3]);
		rcode = 1;
	}
	if (argv[4][0] == '1')
		value = 1;
	else if (argv[4][0] == '0')
		value = 0;
	else
		rcode = 1;
	if (rcode == 0) {
		iopin.port = port;
		iopin.pin = pin;
		iopin.flag = 0;
		switch (cmd) {
		case DIR:
			if (value)
				iopin_set_out (&iopin);
			else
				iopin_set_in (&iopin);
			break;
		case PAR:
			if (value)
				iopin_set_ded (&iopin);
			else
				iopin_set_gen (&iopin);
			break;
		case SOR:
			if (value)
				iopin_set_opt2 (&iopin);
			else
				iopin_set_opt1 (&iopin);
			break;
		case ODR:
			if (value)
				iopin_set_odr (&iopin);
			else
				iopin_set_act (&iopin);
			break;
		case DAT:
			if (value)
				iopin_set_high (&iopin);
			else
				iopin_set_low (&iopin);
			break;
#if defined(CONFIG_8xx)
		case INT:
			if (value)
				iopin_set_falledge (&iopin);
			else
				iopin_set_anyedge (&iopin);
			break;
#endif
		}

	}
	return rcode;
}

int
do_dmainfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

int
do_fccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

static void prbrg (int n, uint val)
{
	uint extc = (val >> 14) & 3;
	uint cd = (val & CPM_BRG_CD_MASK) >> 1;
	uint div16 = (val & CPM_BRG_DIV16) != 0;

#if defined(CONFIG_8xx)
	ulong clock = gd->cpu_clk;
#elif defined(CONFIG_8260)
	ulong clock = gd->brg_clk;
#endif

	printf ("BRG%d:", n);

	if (val & CPM_BRG_RST)
		puts (" RESET");
	else
		puts ("      ");

	if (val & CPM_BRG_EN)
		puts ("  ENABLED");
	else
		puts (" DISABLED");

	printf (" EXTC=%d", extc);

	if (val & CPM_BRG_ATB)
		puts (" ATB");
	else
		puts ("    ");

	printf (" DIVIDER=%4d", cd);
	if (extc == 0 && cd != 0) {
		uint baudrate;

		if (div16)
			baudrate = (clock / 16) / (cd + 1);
		else
			baudrate = clock / (cd + 1);

		printf ("=%6d bps", baudrate);
	} else {
		puts ("           ");
	}

	if (val & CPM_BRG_DIV16)
		puts (" DIV16");
	else
		puts ("      ");

	putc ('\n');
}

int
do_brginfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	volatile immap_t *immap = (immap_t *) CFG_IMMR;

#if defined(CONFIG_8xx)
	volatile cpm8xx_t *cp = &immap->im_cpm;
	volatile uint *p = &cp->cp_brgc1;
#elif defined(CONFIG_8260)
	volatile uint *p = &immap->im_brgc1;
#endif
	int i = 1;

	while (i <= 4)
		prbrg (i++, *p++);

#if defined(CONFIG_8260)
	p = &immap->im_brgc5;
	while (i <= 8)
		prbrg (i++, *p++);
#endif
	return 0;
}

int
do_i2cinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	volatile immap_t *immap = (immap_t *) CFG_IMMR;

#if defined(CONFIG_8xx)
	volatile i2c8xx_t *i2c = &immap->im_i2c;
	volatile cpm8xx_t *cp = &immap->im_cpm;
	volatile iic_t *iip = (iic_t *) & cp->cp_dparam[PROFF_IIC];
#elif defined(CONFIG_8260)
	volatile i2c8260_t *i2c = &immap->im_i2c;
	volatile iic_t *iip;
	uint dpaddr;

	dpaddr = *((unsigned short *) (&immap->im_dprambase[PROFF_I2C_BASE]));
	if (dpaddr == 0)
		iip = NULL;
	else
		iip = (iic_t *) & immap->im_dprambase[dpaddr];
#endif

	printf ("I2MOD = %02x I2ADD = %02x\n", i2c->i2c_i2mod, i2c->i2c_i2add);
	printf ("I2BRG = %02x I2COM = %02x\n", i2c->i2c_i2brg, i2c->i2c_i2com);
	printf ("I2CER = %02x I2CMR = %02x\n", i2c->i2c_i2cer, i2c->i2c_i2cmr);

	if (iip == NULL)
		puts ("i2c parameter ram not allocated\n");
	else {
		printf ("RBASE = %08x TBASE = %08x\n",
			iip->iic_rbase, iip->iic_tbase);
		printf ("RFCR  =       %02x TFCR  =       %02x\n",
			iip->iic_rfcr, iip->iic_tfcr);
		printf ("MRBLR =     %04x\n", iip->iic_mrblr);
		printf ("RSTATE= %08x RDP   = %08x\n",
			iip->iic_rstate, iip->iic_rdp);
		printf ("RBPTR =     %04x RBC   =     %04x\n",
			iip->iic_rbptr, iip->iic_rbc);
		printf ("RXTMP = %08x\n", iip->iic_rxtmp);
		printf ("TSTATE= %08x TDP   = %08x\n",
			iip->iic_tstate, iip->iic_tdp);
		printf ("TBPTR =     %04x TBC   =     %04x\n",
			iip->iic_tbptr, iip->iic_tbc);
		printf ("TXTMP = %08x\n", iip->iic_txtmp);
	}
	return 0;
}

int
do_sccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

int
do_smcinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

int
do_spiinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

int
do_muxinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

int
do_siinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

int
do_mccinfo (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unimplemented (cmdtp, flag, argc, argv);
	return 0;
}

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

U_BOOT_CMD(
	siuinfo,	1,	1,	do_siuinfo,
	"siuinfo - print System Interface Unit (SIU) registers\n",
	NULL
);

U_BOOT_CMD(
	memcinfo,	1,	1,	do_memcinfo,
	"memcinfo- print Memory Controller registers\n",
	NULL
);

U_BOOT_CMD(
	sitinfo,	1,	1,	do_sitinfo,
	"sitinfo - print System Integration Timers (SIT) registers\n",
	NULL
);

#ifdef CONFIG_8260
U_BOOT_CMD(
	icinfo,	1,	1,	do_icinfo,
	"icinfo  - print Interrupt Controller registers\n",
	NULL
);
#endif

U_BOOT_CMD(
	carinfo,	1,	1,	do_carinfo,
	"carinfo - print Clocks and Reset registers\n",
	NULL
);

U_BOOT_CMD(
	iopinfo,	1,	1,	do_iopinfo,
	"iopinfo - print I/O Port registers\n",
	NULL
);

U_BOOT_CMD(
	iopset,	5,	0,	do_iopset,
	"iopset  - set I/O Port registers\n",
	"PORT PIN CMD VALUE\nPORT: A-D, PIN: 0-31, CMD: [dat|dir|odr|sor], VALUE: 0|1"
);

U_BOOT_CMD(
	dmainfo,	1,	1,	do_dmainfo,
	"dmainfo - print SDMA/IDMA registers\n",
	NULL
);

U_BOOT_CMD(
	fccinfo,	1,	1,	do_fccinfo,
	"fccinfo - print FCC registers\n",
	NULL
);

U_BOOT_CMD(
	brginfo,	1,	1,	do_brginfo,
	"brginfo - print Baud Rate Generator (BRG) registers\n",
	NULL
);

U_BOOT_CMD(
	i2cinfo,	1,	1,	do_i2cinfo,
	"i2cinfo - print I2C registers\n",
	NULL
);

U_BOOT_CMD(
	sccinfo,	1,	1,	do_sccinfo,
	"sccinfo - print SCC registers\n",
	NULL
);

U_BOOT_CMD(
	smcinfo,	1,	1,	do_smcinfo,
	"smcinfo - print SMC registers\n",
	NULL
);

U_BOOT_CMD(
	spiinfo,	1,	1,	do_spiinfo,
	"spiinfo - print Serial Peripheral Interface (SPI) registers\n",
	NULL
);

U_BOOT_CMD(
	muxinfo,	1,	1,	do_muxinfo,
	"muxinfo - print CPM Multiplexing registers\n",
	NULL
);

U_BOOT_CMD(
	siinfo,	1,	1,	do_siinfo,
	"siinfo  - print Serial Interface (SI) registers\n",
	NULL
);

U_BOOT_CMD(
	mccinfo,	1,	1,	do_mccinfo,
	"mccinfo - print MCC registers\n",
	NULL
);


#endif	/* CFG_CMD_IMMAP && (CONFIG_8xx || CONFIG_8260) */