SMP HiFi 2 Development Board - Revision history

Piet: /* Configuring U-Boot to Boot Linux */

2012-03-21T05:52:16Z

Configuring U-Boot to Boot Linux

← Older revision		Revision as of 05:52, 21 March 2012
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	U-Boot> '''setenv gatewayip 192.168.11.1''' [Gateway address for default route]		U-Boot> '''setenv gatewayip 192.168.11.1''' [Gateway address for default route]
	U-Boot> '''setenv bootfile uImage.xtensa-2.6.29-smp.test_mmuhifi_c3''' [File to fetch with TFTP and pass to bootm]		U-Boot> '''setenv bootfile uImage.xtensa-2.6.29-smp.test_mmuhifi_c3''' [File to fetch with TFTP and pass to bootm]
	U-Boot> '''setenv root-path /~~exports~~/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]		U-Boot> '''setenv root-path /export2/DC_B_330HiFi_3Core_MMU/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]
	U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:${root-path}''' [NFS Args used in bootargs]		U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:${root-path}''' [NFS Args used in bootargs]
	U-Boot> '''setenv hostname HiFi-2_NFS_Based''' [Hostname]		U-Boot> '''setenv hostname HiFi-2_NFS_Based''' [Hostname]

Piet: /* Configuring U-Boot to Boot Linux */

2012-03-21T05:50:01Z

Configuring U-Boot to Boot Linux

← Older revision		Revision as of 05:50, 21 March 2012
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	U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]		U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]
	U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:${root-path}''' [NFS Args used in bootargs]		U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:${root-path}''' [NFS Args used in bootargs]
	U-Boot> '''setenv hostname HiFi-~~2_NFS Based~~''' [Hostname]		U-Boot> '''setenv hostname HiFi-2_NFS_Based''' [Hostname]
	U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]		U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]
	U-Boot> '''setenv misc_boot_args debug coredump_filter=0xff''' [Enable kernel debug messages and core files on a SEGV sig]		U-Boot> '''setenv misc_boot_args debug coredump_filter=0xff''' [Enable kernel debug messages and core files on a SEGV sig]
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	U-Boot> '''setenv root-path /export2/DC_B_330HiFi_3Core_MMU/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]		U-Boot> '''setenv root-path /export2/DC_B_330HiFi_3Core_MMU/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]
	U-Boot> '''setenv ramfs_boot_args root=/dev/ramfs''' [RAMFS Args used in bootargs]		U-Boot> '''setenv ramfs_boot_args root=/dev/ramfs''' [RAMFS Args used in bootargs]
	U-Boot> '''setenv hostname HiFi-~~2_RamFS Based~~''' [Hostname]		U-Boot> '''setenv hostname HiFi-2_RamFS_Based''' [Hostname]
	U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]		U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]
	U-Boot> '''setenv misc_boot_args debug coredump_filter=0xff''' [Enable kernel debug messages and core files on a SEGV sig]		U-Boot> '''setenv misc_boot_args debug coredump_filter=0xff''' [Enable kernel debug messages and core files on a SEGV sig]

Piet: /* Configuring U-Boot to Boot Linux */

2012-03-21T05:40:18Z

Configuring U-Boot to Boot Linux

← Older revision		Revision as of 05:40, 21 March 2012
Line 363:		Line 363:

	U-Boot> '''setenv serverip 192.168.11.55''' [TFTP server IP Address: My Workstation]		U-Boot> '''setenv serverip 192.168.11.55''' [TFTP server IP Address: My Workstation]
	U-Boot> '''setenv nfsroot_server 192.168.11.55''' [Root NFS Servers IP Address: My Workstation]		U-Boot> '''setenv nfsroot_server 192.168.11.55''' [Root NFS Servers IP Address: My Workstation]
	U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]		U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]
	U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]		U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]
Line 370:		Line 370:
	U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]		U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]
	U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:${root-path}''' [NFS Args used in bootargs]		U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:${root-path}''' [NFS Args used in bootargs]
	U-Boot> '''setenv hostname HiFi-2''' [Hostname]		U-Boot> '''setenv hostname HiFi-2_NFS Based''' [Hostname]
	U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]		U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]
	U-Boot> '''setenv misc_boot_args debug coredump_filter=0xff''' [Enable kernel debug messages and core files on a SEGV sig]		U-Boot> '''setenv misc_boot_args debug coredump_filter=0xff''' [Enable kernel debug messages and core files on a SEGV sig]
Line 378:		Line 378:
	U-Boot> '''setenv autostart yes''' [Boot automatically on power-up/reset]		U-Boot> '''setenv autostart yes''' [Boot automatically on power-up/reset]
	U-Boot>		U-Boot>

			Alternatively, if you don't feel like setting up an NFS exports you can could use a root filesystem simply located in the kernel RAM.
			In this case only TFTP will be used on the local Ethernet to load the kernel. This could be set up with these commands:

			U-Boot> '''setenv serverip 192.168.11.55''' [TFTP server IP Address: My Workstation]
			U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]
			U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]
			U-Boot> '''setenv gatewayip 192.168.11.1''' [Gateway address for default route]
			U-Boot> '''setenv bootfile uImage.xtensa-2.6.29-smp.test_mmuhifi_c3.ramfs''' [File to fetch with TFTP and pass to bootm]
			U-Boot> '''setenv root-path /export2/DC_B_330HiFi_3Core_MMU/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]
			U-Boot> '''setenv ramfs_boot_args root=/dev/ramfs''' [RAMFS Args used in bootargs]
			U-Boot> '''setenv hostname HiFi-2_RamFS Based''' [Hostname]
			U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]
			U-Boot> '''setenv misc_boot_args debug coredump_filter=0xff''' [Enable kernel debug messages and core files on a SEGV sig]
			U-boot> '''setenv bootargs console=ttyS0,38400 ip=${nfsaddrs} ${ramfs_boot_args} ${misc_boot_args}''' [Args passed to Linux while booting with DHCP proto]
			U-boot> '''setenv bootcmd tftpboot\; bootm''' [Boot Linux after fetching it with TFTP]
			U-Boot> '''setenv bootdelay 5''' [Delay 5 seconds before booting automatically]
			U-Boot> '''setenv autostart yes''' [Boot automatically on power-up/reset]
			U-Boot>


	You can also set up your dhcp server with your domain information and boot with much less information		You can also set up your dhcp server with your domain information and boot with much less information

Piet at 09:04, 17 March 2010

2010-03-17T09:04:33Z

← Older revision		Revision as of 09:04, 17 March 2010
Line 7:		Line 7:
	Some general notes on these instructions:		Some general notes on these instructions:

	* They are a work in progress, though virtually complete. ~~Jut~~ needs to have an a another engineer at Tensilica run through this procedure and make sure that we haven't missed anything.		* They are a work in progress, though virtually complete. Just needs to have an a another engineer at Tensilica run through this procedure and make sure that we haven't missed anything.

	* The following was tested on x86 machines running RedHat Fedora Core 5 and Fedora Core 9. Test done while using the Fedora 9 based kernel and the stable branch of the Xtensa kernel appear, so far, to be a bit better. Not seeing any compile errors while stressing the system with LTP, two compiles, two mplayers, hifitest, top, pstree, and top for the		* The following was tested on x86 machines running RedHat Fedora Core 5 and Fedora Core 9. Test done while using the Fedora 9 based kernel and the stable branch of the Xtensa kernel appear, so far, to be a bit better. Not seeing any compile errors while stressing the system with LTP, two compiles, two mplayers, hifitest, top, pstree, and top for the

Piet at 08:23, 17 March 2010

2010-03-17T08:23:15Z

← Older revision		Revision as of 08:23, 17 March 2010
Line 362:		Line 362:
	config file. Here we first present the simple case where all of the addresses are provided in the U-Boot environment variables:		config file. Here we first present the simple case where all of the addresses are provided in the U-Boot environment variables:

	U-Boot> '''setenv serverip 192.168.11.~~220~~''' [TFTP server IP Address: My Workstation]		U-Boot> '''setenv serverip 192.168.11.55''' [TFTP server IP Address: My Workstation]
	U-Boot> '''setenv nfsroot_server 192.168.11.~~220~~''' [Root NFS Servers IP Address: My Workstation]		U-Boot> '''setenv nfsroot_server 192.168.11.55''' [Root NFS Servers IP Address: My Workstation]
	U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]		U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]
	U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]		U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]

Piet at 23:57, 4 February 2010

2010-02-04T23:57:51Z

← Older revision		Revision as of 23:57, 4 February 2010
Line 90:		Line 90:
	To install the buildroot environment (toolchain and root filesystem), <tt>cd</tt> to a location with a few GB of available disk space, and do:		To install the buildroot environment (toolchain and root filesystem), <tt>cd</tt> to a location with a few GB of available disk space, and do:

	$ '''git clone git://git.linux-xtensa.org/git/buildroot/buildroot-xtensa-HiFi2-Snapshot'''		$ '''git clone git://git.linux-xtensa.org/git/buildroot/buildroot-xtensa-HiFi2-Snapshot.git'''
	$ '''cd buildroot-xtensa-HiFi2-Snapshot'''		$ '''cd buildroot-xtensa-HiFi2-Snapshot'''
	$ '''git branch --track snapshot_2+SMP origin/snapshot_2+SMP'''		$ '''git branch --track snapshot_2+SMP origin/snapshot_2+SMP'''
Line 117:		Line 117:
	To install the Linux kernel environment (kernel src, config, and HiFi-2 kernel U-Boot image), <tt>cd</tt> to a location with a few GB of available disk space, and do:		To install the Linux kernel environment (kernel src, config, and HiFi-2 kernel U-Boot image), <tt>cd</tt> to a location with a few GB of available disk space, and do:

	$ '''git clone git://git.linux-xtensa.org/git/kernel/xtensa-2.6.29-smp'''		$ '''git clone git://git.linux-xtensa.org/git/kernel/xtensa-2.6.29-smp.git'''
	$ '''cd kernel/xtensa-2.6.29-smp'''		$ '''cd kernel/xtensa-2.6.29-smp'''

Piet: /* Configuring U-Boot to Boot Linux */

2010-01-19T00:06:18Z

Configuring U-Boot to Boot Linux

← Older revision		Revision as of 00:06, 19 January 2010
Line 369:		Line 369:
	U-Boot> '''setenv bootfile uImage.xtensa-2.6.29-smp.test_mmuhifi_c3''' [File to fetch with TFTP and pass to bootm]		U-Boot> '''setenv bootfile uImage.xtensa-2.6.29-smp.test_mmuhifi_c3''' [File to fetch with TFTP and pass to bootm]
	U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]		U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]
	U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:{root-path}''' [NFS Args used in bootargs]		U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:${root-path}''' [NFS Args used in bootargs]
	U-Boot> '''setenv hostname HiFi-2''' [Hostname]		U-Boot> '''setenv hostname HiFi-2''' [Hostname]
	U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]		U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]

Piet: /* Configuring U-Boot to Boot Linux */

2010-01-18T23:54:48Z

Configuring U-Boot to Boot Linux

← Older revision		Revision as of 23:54, 18 January 2010
Line 363:		Line 363:

	U-Boot> '''setenv serverip 192.168.11.220''' [TFTP server IP Address: My Workstation]		U-Boot> '''setenv serverip 192.168.11.220''' [TFTP server IP Address: My Workstation]
	U-Boot> '''setenv nfsroot_server 192.168.11.220''' [Root NFS Servers IP Address: My Workstation]		U-Boot> '''setenv nfsroot_server 192.168.11.220''' [Root NFS Servers IP Address: My Workstation]
	U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]		U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]
	U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]		U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]
Line 369:		Line 369:
	U-Boot> '''setenv bootfile uImage.xtensa-2.6.29-smp.test_mmuhifi_c3''' [File to fetch with TFTP and pass to bootm]		U-Boot> '''setenv bootfile uImage.xtensa-2.6.29-smp.test_mmuhifi_c3''' [File to fetch with TFTP and pass to bootm]
	U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]		U-Boot> '''setenv root-path /exports/LINUX_ROOT.HiFi-2''' [Location of root filesystem on NFS Server; Limit ~50 bytes]
	U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=~~192.168.11.55~~:{root-path}''' [NFS Args used in bootargs]		U-Boot> '''setenv nfs_boot_args root=/dev/nfs rw nfsroot=${nfsroot_server}:{root-path}''' [NFS Args used in bootargs]
	U-Boot> '''setenv hostname HiFi-2''' [Hostname]		U-Boot> '''setenv hostname HiFi-2''' [Hostname]
	U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]		U-Boot> '''setenv nfsaddrs ${ipaddr}:${nfsroot_server}:${gatewayip}:${netmask}:${hostname}''' [IP addresses needed by NFS when not using DHCP or BOOTP]

Piet: /* Configuring U-Boot to Boot Linux */

2010-01-18T23:50:15Z

Configuring U-Boot to Boot Linux

← Older revision		Revision as of 23:50, 18 January 2010
Line 362:		Line 362:
	config file. Here we first present the simple case where all of the addresses are provided in the U-Boot environment variables:		config file. Here we first present the simple case where all of the addresses are provided in the U-Boot environment variables:

	U-Boot> '''setenv serverip 192.168.11.55''' [TFTP server IP Address: ~~RTOS-LAB2~~]		U-Boot> '''setenv serverip 192.168.11.220''' [TFTP server IP Address: My Workstation]
	U-Boot> '''setenv nfsroot_server 192.168.11.55''' [Root NFS Servers IP Address: My Workstation]		U-Boot> '''setenv nfsroot_server 192.168.11.220''' [Root NFS Servers IP Address: My Workstation]
	U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]		U-Boot> '''setenv ipaddr 192.168.11.105''' [HOST IP address]
	U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]		U-Boot> '''setenv netmask 255.255.255.0''' [Network Mask for a Internet Class C local network]

Piet: /* Installing the Linux Kernel Snapshot */

2010-01-04T09:10:28Z

Installing the Linux Kernel Snapshot

← Older revision		Revision as of 09:10, 4 January 2010
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	$ '''su'''		$ '''su'''
	# '''cd /etc'''		# '''cd /etc'''
	# '''ls -s /var/lib/tftpboot/ tftpboot'''		# '''ln -s /var/lib/tftpboot/ tftpboot'''
	# '''ls -ld tftpboot'''		# '''ls -ld tftpboot'''
	lrwxrwxrwx 1 root root 18 2009-11-23 21:14 tftpboot -> /var/lib/tftpboot/		lrwxrwxrwx 1 root root 18 2009-11-23 21:14 tftpboot -> /var/lib/tftpboot/