On 11/01/14 00:25, Andrew Lunn wrote: > On Sat, Jan 11, 2014 at 12:09:11AM +1000, Ben Peddell wrote: >> On 10/01/14 21:28, Russell King - ARM Linux wrote: >>> On Fri, Jan 10, 2014 at 11:01:06AM +1000, Ben Peddell wrote: >>>> It appears the initrd address in the devicetree structure (which is >>>> filled in from what is passed by the bootloader when >>>> CONFIG_ARM_ATAG_DTB_COMPAT is set) is processed _after_ the address in >>>> the initrd= kernel parameter is processed. >>> >>> That's wrong. Kernel parameters should always override what's passed by >>> boot loaders etc. >> >> In that case, what I saw was a bug - note that this only occurs when >> DeviceTree is enabled: >> >> >> __ __ _ _ >> | \/ | __ _ _ ____ _____| | | >> | |\/| |/ _` | '__\ \ / / _ \ | | >> | | | | (_| | | \ V / __/ | | >> |_| |_|\__,_|_| \_/ \___|_|_| >> _ _ ____ _ >> | | | | | __ ) ___ ___ | |_ >> | | | |___| _ \ / _ \ / _ \| __| >> | |_| |___| |_) | (_) | (_) | |_ >> \___/ |____/ \___/ \___/ \__| ** LOADER ** >> ** MARVELL BOARD: Synology Disk Station LE >> >> U-Boot 1.1.4 (Jul 6 2010 - 19:26:08) Marvell version: 3.4.4 >> >> U-Boot code: 00600000 -> 0067FFF0 BSS: -> 0068B43C >> >> Soc: 88F6281 A1 (DDR2) >> CPU running @ 1200Mhz L2 running @ 480Mhz >> SysClock = 400Mhz , TClock = 200Mhz >> >> DRAM CAS Latency = 6 tRP = 6 tRAS = 18 tRCD=6 >> DRAM CS[0] base 0x00000000 size 128MB >> DRAM Total size 128MB 16bit width >> [4096kB@f8000000] Flash: 4 MB >> Addresses 8M - 0M are saved for the U-Boot usage. >> Mem malloc Initialization (8M - 7M): Done >> Using default environment >> >> >> CPU : Marvell Feroceon (Rev 1) >> >> Streaming disabled >> Write allocate disabled >> >> Module 1 is AUDIO >> >> USB 0: host mode >> >> Synology Model: DS211j >> Fan Status: Good >> >> Net: egiga0 [PRIME] >> Hit any key to stop autoboot: 0 >> Marvell>> setenv ipaddr 192.168.200.62 >> Marvell>> setenv serverip 192.168.200.16 >> Marvell>> tftp 0x01000000 uImage-3.13-rc7-ds211j-git-fdt >> Using egiga0 device >> TFTP from server 192.168.200.16; our IP address is 192.168.200.62 >> Filename 'uImage-3.13-rc7-ds211j-git-fdt'. >> Load address: 0x1000000 >> Loading: ################################################################# >> ################################################################# >> ################################################################# >> ################################################################# >> ################################################################# >> ######################################################### >> done > > So here you load the kernel into RAM at 0x0100 0000. > > >> Bytes transferred = 1954736 (1dd3b0 hex) >> Marvell>> setenv bootargs console=ttyS0,115200 ip=off initrd=0x00800040,0x0013FFC0 root=/dev/md0 rw syno_hw_version=DS211j ihd_num=2 netif_num=1 earlyprintk > > I don't see you loading the initrd into RAM at 0x0080 0000. See below > >> Marvell>> bootm 0x01000000 0xf8280000 > > And here you tell it the initrd is at 0xf8280000. This is because I am using the initrd in flash. > >> ## Booting image at 01000000 ... >> Bad Magic Number >> Marvell>> tftp 0x01000000 uImage-3.13-rc7-ds211j-git-fdt >> Using egiga0 device >> TFTP from server 192.168.200.16; our IP address is 192.168.200.62 >> Filename 'uImage-3.13-rc7-ds211j-git-fdt'. >> Load address: 0x1000000 >> Loading: ################################################################# >> ################################################################# >> ################################################################# >> ################################################################# >> ################################################################# >> ######################################################### >> done >> Bytes transferred = 1954800 (1dd3f0 hex) >> Marvell>> bootm 0x01000000 0xf8280000 >> ## Booting image at 01000000 ... >> Image Name: linux-3.13-rc7-ds211j+ >> Image Type: ARM Linux Kernel Image (uncompressed) >> Data Size: 1954736 Bytes = 1.9 MB >> Load Address: 00008000 >> Entry Point: 00008000 >> Verifying Checksum ... OK >> OK >> ## Loading Ramdisk Image at f8280000 ... >> Image Name: altair-boot >> Image Type: ARM Linux RAMDisk Image (unknown compression) >> Data Size: 1022268 Bytes = 998.3 kB >> Load Address: 00800000 >> Entry Point: 00800000 >> Verifying Checksum ... OK Here the bootloader copies the initrd to 0x00800040, yet passes 0xf8280040 to the kernel. >> >> Starting kernel ... >> >> Uncompressing Linux... done, booting the kernel. >> [ 0.000000] Booting Linux on physical CPU 0x0 >> [ 0.000000] Linux version 3.13.0-rc7-ds211j+ (root@lurch) (gcc version 4.8.2 (Gentoo 4.8.2 p1.3, pie-0.5.8) ) #2 Thu Jan 9 08:52:24 EST 2014 >> [ 0.000000] CPU: Feroceon 88FR131 [56251311] revision 1 (ARMv5TE), cr=00053977 >> [ 0.000000] CPU: VIVT data cache, VIVT instruction cache >> [ 0.000000] Machine model: Synology DS210 v10, v20, v30, DS211j >> [ 0.000000] bootconsole [earlycon0] enabled >> [ 0.000000] INITRD: 0xf8280040+0x000f993c is not a memory region - disabling initrd > > The kernel is correct. There is no RAM here. That is in the IOMEM > space. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
