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I built buildroot and u-boot from alteras repository on github. Now I want to build linux but there is no config file for ep4ce115 linux config. How can I continue?
$ ls
buildroot linux-socfpga u-boot-socfpga
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As far as I know, unfortunately there is no config file for DE2-115. You may want to try 3c120, but I am not sure if that will work
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--- Quote Start --- As far as I know, unfortunately there is no config file for DE2-115. You may want to try 3c120, but I am not sure if that will work --- Quote End --- It seems to work if I just make a proper dts file and use menuconfig. The thing starts booting but I get kernel panic because I don't have a filesystem.
Linux version 4.9.0-00104-g84d4f8a-dirty (developer@1604) (gcc version 6.2.0 (Sourcery CodeBench Lite 2016.11-32) )# 45 Wed Apr 5 13:12:30 CEST 2017
bootconsole enabled
early_console initialized at 0xe8001440
On node 0 totalpages: 32768
free_area_init_node: node 0, pgdat c045252c, node_mem_map c0487b80
Normal zone: 256 pages used for memmap
Normal zone: 0 pages reserved
Normal zone: 32768 pages, LIFO batch:7
pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
pcpu-alloc: 0
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: debug console=ttyAL0,115200
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Sorting __ex_table...
Memory: 125276K/131072K available (2233K kernel code, 66K rwdata, 352K rodata, 1772K init, 197K bss, 5796K reserved, 0K cma-reserved)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS:64 nr_irqs:64 0
clocksource: nios2-clksrc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 38225208935 ns
Console: colour dummy device 80x25
Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=50000)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
cpu cpu0: Error -2 creating of_node link
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275000 ns
random: fast init done
clocksource: Switched to clocksource nios2-clksrc
futex hash table entries: 256 (order: -1, 3072 bytes)
workingset: timestamp_bits=30 max_order=15 bucket_order=0
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
8001440.serial: ttyJ0 at MMIO 0x8001440 (irq = 2, base_baud = 0) is a Altera JTAG UART
mousedev: PS/2 mouse device common for all mice
Warning: unable to open an initial console.
Freeing unused kernel memory: 1772K (c022f000 - c03ea000)
This architecture does not have kernel memory protection.
Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100
random: crng init done
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i can confirm that it works now.
I could build and start the latest version of linux-socfpga. It took some time to understand the parameters. Now I get a nice login shell and can login with the password that I set in buildroot. There was no need for special configuration files, I could use the nios2-generic everywhere for the DE2-115. The startup log has some small mysteries what it means and I'm going to investigate it. For now I'm really glad that the kernel worked with DE2-115. It's version 4.9 from the github repository that I used. The boot sequence looks according to the following:
$ Linux version 4.9.0-00104-g84d4f8a-dirty (developer@1604) (gcc version 6.2.0 (Sourc7
bootconsole enabled
early_console initialized at 0xe8001400
ERROR: Nios II DIV different for kernel and DTS
Warning: icache size configuration mismatch (0x8000 vs 0x1000) of CONFIG_NIOS2_ICACHEe
Warning: dcache size configuration mismatch (0x8000 vs 0x800) of CONFIG_NIOS2_DCACHE_e
On node 0 totalpages: 32768
free_area_init_node: node 0, pgdat c04aba44, node_mem_map c04c4b80
Normal zone: 256 pages used for memmap
Normal zone: 0 pages reserved
Normal zone: 32768 pages, LIFO batch:7
pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768
pcpu-alloc: 0
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
Kernel command line: console=ttyAL0,115200
PID hash table entries: 512 (order: -1, 2048 bytes)
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
Sorting __ex_table...
Memory: 125032K/131072K available (2172K kernel code, 68K rwdata, 492K rodata, 2048K )
NR_IRQS:64 nr_irqs:64 0
clocksource: nios2-clksrc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 3822s
Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 Bog)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
devtmpfs: initialized
cpu cpu0: Error -2 creating of_node link
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 191126044s
NET: Registered protocol family 16
random: fast init done
clocksource: Switched to clocksource nios2-clksrc
futex hash table entries: 256 (order: -1, 3072 bytes)
workingset: timestamp_bits=30 max_order=15 bucket_order=0
jffs2: version 2.2. (NAND) �© 2001-2006 Red Hat, Inc.
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
random: crng init done
8001400.serial: ttyAL0 at MMIO 0x8001400 (irq = 3, base_baud = 3125000) is a Altera UT
console enabled
console enabled
bootconsole disabled
bootconsole disabled
8001440.serial: ttyJ0 at MMIO 0x8001440 (irq = 2, base_baud = 0) is a Altera JTAG UART
loop: module loaded
mousedev: PS/2 mouse device common for all mice
Freeing unused kernel memory: 2048K (c0220000 - c0420000)
This architecture does not have kernel memory protection.
Starting logging: OK
Initializing random number generator... done.
Starting network: ip: can't find device 'lo'
ip: socket: Address family not supported by protocol
FAIL
hello!
foo login: root
Password:
login: root login on 'ttyAL0'
# ls /
bin init linuxrc opt run tmp
dev lib media proc sbin usr
etc lib32 mnt root sys var
# gcc
-sh: gcc: not found
# ls /opt/
# echo $0
-sh
#
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$ quartus_pgm -m jtag -c USB-Blaster[2-2] -o "p;tPad_Selector.sof"
Info: ******************************************************************* Info: Running Quartus Prime Programmer Info: Version 16.1.0 Build 196 10/24/2016 SJ Lite Edition Info: Copyright (C) 2016 Intel Corporation. All rights reserved. Info: Your use of Intel Corporation's design tools, logic functions Info: and other software and tools, and its AMPP partner logic Info: functions, and any output files from any of the foregoing Info: (including device programming or simulation files), and any Info: associated documentation or information are expressly subject Info: to the terms and conditions of the Intel Program License Info: Subscription Agreement, the Intel Quartus Prime License Agreement, Info: the Intel MegaCore Function License Agreement, or other Info: applicable license agreement, including, without limitation, Info: that your use is for the sole purpose of programming logic Info: devices manufactured by Intel and sold by Intel or its Info: authorized distributors. Please refer to the applicable Info: agreement for further details. Info: Processing started: Mon Mar 13 17:10:04 2017 Info: Command: quartus_pgm -m jtag -c USB-Blaster[2-2] -o p;tPad_Selector.sof Info (213045): Using programming cable "USB-Blaster [2-2]" Inconsistency detected by ld.so: dl-close.c: 811: _dl_close: Assertion `map->l_init_called' failed! Info (213011): Using programming file tPad_Selector.sof with checksum 0x00BBDF04 for device EP4CE115F29@1 Info (209060): Started Programmer operation at Mon Mar 13 17:10:05 2017 Info (209016): Configuring device index 1 Info (209017): Device 1 contains JTAG ID code 0x020F70DD Info (209007): Configuration succeeded -- 1 device(s) configured Info (209011): Successfully performed operation(s) Info (209061): Ended Programmer operation at Mon Mar 13 17:10:11 2017 Info: Quartus Prime Programmer was successful. 0 errors, 0 warnings Info: Peak virtual memory: 453 megabytes Info: Processing ended: Mon Mar 13 17:10:11 2017 Info: Elapsed time: 00:00:07 Info: Total CPU time (on all processors): 00:00:01 ------ bams colleges bangalore (http://www.admissiongroup.com/bams-colleges-course-direct-management-nri-quota-admission-educational-consultants-fee-structure.html) sri krishna institute of technology bangalore admission (http://www.admissionpro.in/sri-krishna-institute-of-technology-bangalore-fee-structure-nri-direct-management-quota.html)- Mark as New
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--- Quote Start --- As far as I know, unfortunately there is no config file for DE2-115. You may want to try 3c120, but I am not sure if that will work --- Quote End --- It seems that the config file for 3c120 actually works. It also outputs from my jtag that is says 3c120 so it seems compatible My Altera DE2-115 outputs the following
$ jtagconfig1) USB-Blaster
020F70DD EP3C120/EP4CE115
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--- Quote Start --- It seems that the config file for 3c120 actually works. It also outputs from my jtag that is says 3c120 so it seems compatible My Altera DE2-115 outputs the following
$ jtagconfig1) USB-Blaster
020F70DD EP3C120/EP4CE115
--- Quote End --- Oh, it looks like the EP4CE115 (used in the DE-115) shares the same IDCODE as the EP3C120 - which is why the Quartus programmer detects them as such. I guess their package pinouts will be different though. But it is good to know that the Nios config file works :)
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