metrobox.c

gec2410上的u-boot-1.2.0源码

	}

	printf ("OptoFPGA ID:\t0x%02X\tRev:  0x%02X\n", opto_id, opto_rev);
	printf ("Board Rev:\t0x%02X\tID:  %s\n", brd_rev, board_id_as[brd_id]);

	/* Fix the ack in the bme 32 */
	udelay(5000);
	out32(CFG_BME32_BASE + 0x0000000C, 0x00000001);
	asm("eieio");


	return (0);
}

/*************************************************************************
 *  misc_init_f
 *
 *  Initialize I2C bus one to gain access to the fans
 ************************************************************************/
int misc_init_f (void)
{
	/* Turn on i2c bus 1 */
	puts ("I2C1:  ");
	i2c1_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
	puts ("ready\n");

	/* Turn on fans */
	sbcommon_fans();

	return (0);
}

/*************************************************************************
 *  misc_init_r
 *
 *  Do nothing.
 ************************************************************************/
int misc_init_r (void)
{
	unsigned short sernum;
	char envstr[255];
	unsigned char opto_rev;
	OPTO_FPGA_REGS_ST *opto_ps;

	opto_ps = (OPTO_FPGA_REGS_ST *)CFG_FPGA_BASE;

	if(NULL != getenv("secondserial")) {
	    puts("secondserial is set, switching to second serial port\n");
	    setenv("stderr", "serial1");
	    setenv("stdout", "serial1");
	    setenv("stdin", "serial1");
	}

	setenv("ubrelver", METROBOX_U_BOOT_REL_STR);

	memset(envstr, 0, 255);
	sprintf (envstr, "Built %s %s by %s", __DATE__, __TIME__, BUILDUSER);
	setenv("bldstr", envstr);
	saveenv();

	if( getenv("autorecover")) {
		setenv("autorecover", NULL);
		saveenv();
		sernum = sbcommon_get_serial_number();

		printf("\nSetting up environment for automatic filesystem recovery\n");
		/*
		 * Setup default bootargs
		 */
		memset(envstr, 0, 255);
		sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
			"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
			sernum, sernum);
		setenv("bootargs", envstr);

		/*
		 * Setup Default boot command
		 */
		setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
		       "fatload ide 0 8100000 pramdisk;"
		       "bootm 8000000 8100000");

		printf("Done.  Please type allow the system to continue to boot\n");
	}

	if( getenv("fakeled")) {
		setenv("bootdelay", "-1");
		saveenv();
		printf("fakeled is set. use 'setenv fakeled ; setenv bootdelay 5 ; saveenv' to recover\n");
		opto_rev = (unsigned char)((opto_ps->revision_ul &
					    SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
					   >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);

		if(0x12 <= opto_rev) {
			opto_ps->control_ul &= ~ SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_MASK;
		}
	}

	return (0);
}

/*************************************************************************
 *  ide_set_reset
 ************************************************************************/
#ifdef CONFIG_IDE_RESET
void ide_set_reset(int on)
{
	OPTO_FPGA_REGS_ST *opto_ps;
	opto_ps = (OPTO_FPGA_REGS_ST *)CFG_FPGA_BASE;

	if (on) {		/* assert RESET */
	    opto_ps->reset_ul &= ~SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
	} else {		/* release RESET */
	    opto_ps->reset_ul |= SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK;
	}
}
#endif /* CONFIG_IDE_RESET */

/*************************************************************************
 *  fpga_init
 ************************************************************************/
void fpga_init(void)
{
	OPTO_FPGA_REGS_ST *opto_ps;
	unsigned char opto_rev;
	unsigned long tmp;

	/* Ensure we have power all around */
	udelay(500);

	/*
	 * Take appropriate hw bits out of reset
	 */
	opto_ps = (OPTO_FPGA_REGS_ST *)CFG_FPGA_BASE;

	tmp =
	    SAND_HAL_XC_XCVR_CNTL_RESET_MAC1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_MAC0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_BME_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_ACE_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_CF_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_QE_A_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_IFE_A_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_EFE_A_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_QE_B_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_IFE_B_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_EFE_B_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_LOCK1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_LOCK0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_I2C_MUX0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_PHY0_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_PHY1_RESET_N_MASK |
	    SAND_HAL_XC_XCVR_CNTL_RESET_SLAVE_RESET_N_MASK;
	opto_ps->reset_ul = tmp;
	/*
	 * Turn on the 'Slow Blink' for the System Error Led.
	 * Ensure FPGA rev is up to at least rev 0x12
	 */
	opto_rev = (unsigned char)((opto_ps->revision_ul &
				    SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_MASK)
				   >> SAND_HAL_XC_XCVR_CNTL_REVISION_REVISION_SHIFT);
	if(0x12 <= opto_rev) {
	    opto_ps->control_ul |= 1 << SAND_HAL_XC_XCVR_CNTL_CNTL_ERROR_LED_SHIFT;
	}

	asm("eieio");

	return;
}

int metroboxSetupVars(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unsigned short sernum;
	char envstr[255];

	sernum = sbcommon_get_serial_number();

	memset(envstr, 0, 255);
	/*
	 * Setup our ip address
	 */
	sprintf(envstr, "10.100.60.%d", sernum);

	setenv("ipaddr", envstr);
	/*
	 * Setup the host ip address
	 */
	setenv("serverip", "10.100.17.10");

	/*
	 * Setup default bootargs
	 */
	memset(envstr, 0, 255);

	sprintf(envstr, "console=ttyS0,9600 root=/dev/nfs "
		"rw nfsroot=10.100.17.10:/home/metrobox/mbc%d "
		"nfsaddrs=10.100.60.%d:10.100.17.10:10.100.1.1"
		":255.255.0.0:metrobox%d.sandburst.com:eth0:none idebus=33",
		sernum, sernum, sernum);

	setenv("bootargs_nfs", envstr);
	setenv("bootargs", envstr);

	/*
	 * Setup CF bootargs
	 */
	memset(envstr, 0, 255);
	sprintf(envstr, "console=ttyS0,9600 root=/dev/hda2 "
		"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none idebus=33",
		sernum, sernum);

	setenv("bootargs_cf", envstr);

	/*
	 * Setup Default boot command
	 */
	setenv("bootcmd_tftp", "tftp 8000000 pImage.metrobox;bootm 8000000");
	setenv("bootcmd", "tftp 8000000 pImage.metrobox;bootm 8000000");

	/*
	 * Setup compact flash boot command
	 */
	setenv("bootcmd_cf", "fatload ide 0 8000000 pimage.metrobox;bootm 8000000");

	saveenv();


	return(1);
}

int metroboxRecover(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
	unsigned short sernum;
	char envstr[255];

	sernum = sbcommon_get_serial_number();

	printf("\nSetting up environment for filesystem recovery\n");
	/*
	 * Setup default bootargs
	 */
	memset(envstr, 0, 255);
	sprintf(envstr, "console=ttyS0,9600 root=/dev/ram0 "
		"rw ip=10.100.60.%d:::255.255.0.0:metrobox%d:eth0:none",
		sernum, sernum);

	setenv("bootargs", envstr);

	/*
	 * Setup Default boot command
	 */
	setenv("bootcmd", "fatload ide 0 8000000 pimage.metrobox;"
	       "fatload ide 0 8100000 pramdisk;"
	       "bootm 8000000 8100000");

	printf("Done.  Please type boot<cr>.\nWhen the kernel has booted"
	       " please type fsrecover.sh<cr>\n");

	return(1);
}

U_BOOT_CMD(mbsetup, 1, 1, metroboxSetupVars,
	   "mbsetup - Set environment to factory defaults\n", NULL);

U_BOOT_CMD(mbrecover, 1, 1, metroboxRecover,
	   "mbrecover - Set environment to allow for fs recovery\n", NULL);