Hi, I'm working on a board based on AM335x and vey similar to a beaglebone, but has 1Gbit eth.
I've dowloaded the linux sdk and build up both uboot and the kernel : I'm able to boot from ethernet but
not from sd card: when linux starts mmc device is not found: here the log of startup:
## Booting kernel from Legacy Image at 80007fc0 ...
Image Name: Linux-3.2.0
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2772872 Bytes = 2.6 MiB
Load Address: 80008000
Entry Point: 80008000
Verifying Checksum ... OK
XIP Kernel Image ... OK
OK
Starting kernel ...
Uncompressing Linux... done, booting the kernel.
[ 0.000000] Linux version 3.2.0 (root@wsUttSmaLx) (gcc version 4.5.3 20110311
(prerelease) (GCC) ) #1 Mon Apr 29 16:04:35 CEST 2013
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instructio
n cache
[ 0.000000] Machine: am335xevm
[ 0.000000] Memory policy: ECC disabled, Data cache writeback
[ 0.000000] AM335X ES1.0 (neon )
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pag
es: 65024
[ 0.000000] Kernel command line: console=ttyO0,115200n8 root=/dev/mmcblk0p2 r
w rootfstype=ext3 rootwait ip=none
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Memory: 256MB = 256MB total
[ 0.000000] Memory: 254084k/254084k available, 8060k reserved, 0K highmem
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
[ 0.000000] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
[ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB)
[ 0.000000] .text : 0xc0008000 - 0xc04e4000 (4976 kB)
[ 0.000000] .init : 0xc04e4000 - 0xc051d000 ( 228 kB)
[ 0.000000] .data : 0xc051e000 - 0xc057a4b8 ( 370 kB)
[ 0.000000] .bss : 0xc057a4dc - 0xc05a27a8 ( 161 kB)
[ 0.000000] NR_IRQS:396
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrup
ts
[ 0.000000] Total of 128 interrupts on 1 active controller
[ 0.000000] OMAP clockevent source: GPTIMER2 at 24000000 Hz
[ 0.000000] OMAP clocksource: GPTIMER1 at 32768 Hz
[ 0.000000] sched_clock: 32 bits at 32kHz, resolution 30517ns, wraps every 13
1071999ms
[ 0.000000] Console: colour dummy device 80x30
[ 0.000183] Calibrating delay loop... 548.86 BogoMIPS (lpj=2744320)
[ 0.048706] pid_max: default: 32768 minimum: 301
[ 0.048858] Security Framework initialized
[ 0.048980] Mount-cache hash table entries: 512
[ 0.049438] CPU: Testing write buffer coherency: ok
[ 0.070404] omap_hwmod: gfx: failed to hardreset
[ 0.087127] omap_hwmod: pruss: failed to hardreset
[ 0.088409] print_constraints: dummy:
[ 0.088867] NET: Registered protocol family 16
[ 0.091430] OMAP GPIO hardware version 0.1
[ 0.094390] omap_mux_init: Add partition: #1: core, flags: 0
[ 0.097045] omap_i2c.1: alias fck already exists
[ 0.098114] omap2_mcspi.1: alias fck already exists
[ 0.098388] omap2_mcspi.2: alias fck already exists
[ 0.099365] edma.0: alias fck already exists
[ 0.099365] edma.0: alias fck already exists
[ 0.099395] edma.0: alias fck already exists
[ 0.123748] bio: create slab <bio-0> at 0
[ 0.126281] SCSI subsystem initialized
[ 0.128204] usbcore: registered new interface driver usbfs
[ 0.128601] usbcore: registered new interface driver hub
[ 0.128906] usbcore: registered new device driver usb
[ 0.129089] musb-ti81xx musb-ti81xx: musb0, board_mode=0x13, plat_mode=0x3
[ 0.129425] musb-ti81xx musb-ti81xx: musb1, board_mode=0x13, plat_mode=0x1
[ 0.148742] omap_i2c omap_i2c.1: bus 1 rev2.4.0 at 100 kHz
[ 0.150451] tps65910 1-002d: could not be detected
[ 0.153076] Switching to clocksource gp timer
[ 0.172729] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
[ 0.172943] musb-hdrc musb-hdrc.0: dma type: pio
[ 0.173400] MUSB0 controller's USBSS revision = 4ea20800
[ 0.174133] musb-hdrc musb-hdrc.0: USB OTG mode controller at d083c000 using
PIO, IRQ 18
[ 0.174316] musb-hdrc musb-hdrc.1: dma type: pio
[ 0.174682] MUSB1 controller's USBSS revision = 4ea20800
[ 0.174835] musb-hdrc musb-hdrc.1: MUSB HDRC host driver
[ 0.174926] musb-hdrc musb-hdrc.1: new USB bus registered, assigned bus numbe
r 1
[ 0.175079] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 0.175109] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=
1
[ 0.175109] usb usb1: Product: MUSB HDRC host driver
[ 0.175140] usb usb1: Manufacturer: Linux 3.2.0 musb-hcd
[ 0.175140] usb usb1: SerialNumber: musb-hdrc.1
[ 0.176147] hub 1-0:1.0: USB hub found
[ 0.176177] hub 1-0:1.0: 1 port detected
[ 0.176879] musb-hdrc musb-hdrc.1: USB Host mode controller at d083e800 using
PIO, IRQ 19
[ 0.177368] NET: Registered protocol family 2
[ 0.177581] IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.177947] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.178161] TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.178283] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.178283] TCP reno registered
[ 0.178314] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.178344] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.178558] NET: Registered protocol family 1
[ 0.178894] RPC: Registered named UNIX socket transport module.
[ 0.178894] RPC: Registered udp transport module.
[ 0.178894] RPC: Registered tcp transport module.
[ 0.178924] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.179199] NetWinder Floating Point Emulator V0.97 (double precision)
[ 0.192565] VFS: Disk quotas dquot_6.5.2
[ 0.192657] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.193359] msgmni has been set to 496
[ 0.197174] alg: No test for stdrng (krng)
[ 0.197967] io scheduler noop registered
[ 0.197967] io scheduler deadline registered
[ 0.198059] io scheduler cfq registered (default)
[ 0.199462] omap_uart.0: ttyO0 at MMIO 0x44e09000 (irq = 72) is a OMAP UART0
[ 0.744293] console [ttyO0] enabled
[ 0.748779] omap_uart.1: ttyO1 at MMIO 0x48022000 (irq = 73) is a OMAP UART1
[ 0.756744] omap_uart.2: ttyO2 at MMIO 0x48024000 (irq = 74) is a OMAP UART2
[ 0.764648] omap_uart.3: ttyO3 at MMIO 0x481a6000 (irq = 44) is a OMAP UART3
[ 0.772491] omap_uart.4: ttyO4 at MMIO 0x481a8000 (irq = 45) is a OMAP UART4
[ 0.780426] omap_uart.5: ttyO5 at MMIO 0x481aa000 (irq = 46) is a OMAP UART5
[ 0.800018] brd: module loaded
[ 0.809509] loop: module loaded
[ 0.812896] at24 1-0051: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
[ 0.873657] No daughter card found
[ 0.877288] at24 1-0050: 32768 byte 24c256 EEPROM, writable, 64 bytes/write
[ 0.892517] Board name: A335TTRX
[ 0.895904] Board version: 00A2
[ 0.899200]
[ 0.899200] The board is a TTRX100.
[ 0.905364] tps65217 1-0024: TPS65217 ID 0xf version 1.2
[ 0.913208] print_constraints: DCDC1: 900 <--> 1800 mV at 1800 mV
[ 0.922027] print_constraints: DCDC2: 900 <--> 3300 mV at 1100 mV
[ 0.930786] print_constraints: DCDC3: 900 <--> 1500 mV at 1100 mV
[ 0.939544] print_constraints: LDO1: 1000 <--> 3300 mV at 1800 mV
[ 0.948211] print_constraints: LDO2: 900 <--> 3300 mV at 3300 mV
[ 0.956817] print_constraints: LDO3: 1800 <--> 3300 mV at 3300 mV
[ 0.965576] print_constraints: LDO4: 1800 <--> 3300 mV at 3300 mV
[ 0.972808] omap_hsmmc.0: alias fck already exists
[ 0.977966] HSMMC[0].omap_hsmmc (mmc1) INIT
[ 0.983154] omap-gpmc omap-gpmc: GPMC revision 6.0
[ 0.988220] Registering NAND on CS0
[ 0.992736] omap_i2c.3: alias fck already exists
[ 1.013732] omap_i2c omap_i2c.3: bus 3 rev2.4.0 at 100 kHz
[ 1.021087] registered am33xx_sr device
[ 1.026977] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 1.034393] omap2-nand driver initializing
[ 1.039031] ONFI flash detected
[ 1.042449] ONFI param page 0 valid
[ 1.046142] NAND device: Manufacturer ID: 0x2c, Chip ID: 0xda (Micron MT29F2G
08ABAFAWP)
[ 1.054901] Creating 8 MTD partitions on "omap2-nand.0":
[ 1.060485] 0x000000000000-0x000000020000 : "SPL"
[ 1.067199] 0x000000020000-0x000000040000 : "SPL.backup1"
[ 1.074523] 0x000000040000-0x000000060000 : "SPL.backup2"
[ 1.081726] 0x000000060000-0x000000080000 : "SPL.backup3"
[ 1.089019] 0x000000080000-0x000000260000 : "U-Boot"
[ 1.096618] 0x000000260000-0x000000280000 : "U-Boot Env"
[ 1.103729] 0x000000280000-0x000000780000 : "Kernel"
[ 1.112457] 0x000000780000-0x000010000000 : "File System"
[ 1.223815] OneNAND driver initializing
[ 1.273742] davinci_mdio davinci_mdio.0: davinci mdio revision 1.6
[ 1.280242] davinci_mdio davinci_mdio.0: detected phy mask ffffff7f
[ 1.287750] TTRX100: PHY MICREL PATCH
[ 1.291900] davinci_mdio.0: probed
[ 1.295532] davinci_mdio davinci_mdio.0: phy[7]: device 0:07, driver Micrel K
S8001 or KS8721
[ 1.304779] usbcore: registered new interface driver zd1201
[ 1.310852] usbcore: registered new interface driver cdc_ether
[ 1.317199] usbcore: registered new interface driver cdc_eem
[ 1.323303] usbcore: registered new interface driver dm9601
[ 1.329223] cdc_ncm: 04-Aug-2011
[ 1.332824] usbcore: registered new interface driver cdc_ncm
[ 1.338775] Initializing USB Mass Storage driver...
[ 1.344177] usbcore: registered new interface driver usb-storage
[ 1.350463] USB Mass Storage support registered.
[ 1.355590] mousedev: PS/2 mouse device common for all mice
[ 1.362182] omap_rtc omap_rtc: rtc core: registered omap_rtc as rtc0
[ 1.369079] i2c /dev entries driver
[ 1.377349] OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
[ 1.460083] cpuidle: using governor ladder
[ 1.464996] cpuidle: using governor menu
[ 1.469543] omap4_aes_mod_init: loading AM33X AES driver
[ 1.475311] omap4-aes omap4-aes: AM33X AES hw accel rev: 3.02
[ 1.481933] omap4_aes_probe: probe() done
[ 1.486450] omap4_sham_mod_init: loading AM33X SHA/MD5 driver
[ 1.492645] omap4-sham omap4-sham: AM33X SHA/MD5 hw accel rev: 4.03
[ 1.505004] omap4_sham_probe: probe() done
[ 1.512054] usbcore: registered new interface driver usbhid
[ 1.517974] usbhid: USB HID core driver
[ 1.522003] oprofile: hardware counters not available
[ 1.527313] oprofile: using timer interrupt.
[ 1.531860] nf_conntrack version 0.5.0 (3970 buckets, 15880 max)
[ 1.538726] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 1.544464] TCP cubic registered
[ 1.547882] NET: Registered protocol family 17
[ 1.552612] Registering the dns_resolver key type
[ 1.557647] VFP support v0.3: implementor 41 architecture 3 part 30 variant c
rev 3
[ 1.565734] ThumbEE CPU extension supported.
[ 1.570312] mux: Failed to setup hwmod io irq -22
[ 1.575958] Power Management for AM33XX family
[ 1.580841] Trying to load am335x-pm-firmware.bin (60 secs timeout)
[ 1.587585] Copied the M3 firmware to UMEM
[ 1.592102] Compensating OPP0 for 0mV Orig nvalue:0x9a86f5 New nvalue:0x9a86f
5
[ 1.599822] Compensating OPP1 for 0mV Orig nvalue:0x9a86f5 New nvalue:0x9a86f
5
[ 1.608154] Compensating OPP0 for 0mV Orig nvalue:0x99968c New nvalue:0x99968
c
[ 1.615875] Compensating OPP1 for 0mV Orig nvalue:0x998d81 New nvalue:0x998d8
1
[ 1.623596] Compensating OPP2 for 0mV Orig nvalue:0x9a80e7 New nvalue:0x9a80e
7
[ 1.631286] Compensating OPP3 for 0mV Orig nvalue:0xaaddc6 New nvalue:0xaaddc
6
[ 1.639038] create_regulator: DCDC2: Failed to create debugfs directory
[ 1.646728] smartreflex smartreflex: am33xx_sr_probe: Driver initialized
[ 1.658996] clock: disabling unused clocks to save power
[ 1.679382] Detected MACID=bc:6a:29:7f:a7:2f
[ 1.685089] cpsw: Detected MACID = bc:6a:29:7f:a7:30
[ 1.691528] omap_rtc omap_rtc: setting system clock to 2000-01-01 00:00:01 UT
C (946684801)
[ 1.700866] Waiting for root device /dev/mmcblk0p2...
Any idea?
Thanks
M. Sangalli