Openmoko Bug #1743: Intenso SDHC 4GB gives glamo errors
Openmoko Public Trac
bugs at docs.openmoko.org
Mon Aug 4 16:17:40 CEST 2008
#1743: Intenso SDHC 4GB gives glamo errors
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Reporter: beni | Owner: openmoko-devel
Type: defect | Status: new
Priority: normal | Milestone:
Component: unknown | Version:
Severity: normal | Resolution:
Keywords: | Blocking:
Blockedby: |
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Comment(by beni):
I added a new menu option to boot with reduced clock, so i am able to
boot with both default and modified state:
----
setenv menu_9 Boot with reduced SD clock: setenv bootargs
glamo_mci.sd_max_clk=10000000 \${bootargs_base} \${mtdparts}\; nand read.e
0x32000000 kernel 0x200000\; bootm 0x32000000
----
This gives:
root at beni_om-gta02v5:~# cat /proc/cmdline
glamo_mci.sd_max_clk=10000000 rootfstype=jffs2 root=/dev/mtdblock6
console=ttySAC2,115200 console=tty0 loglevel=8 regular_boot mtdparts
=physmap-
flash:-(nor);neo1973-nand:0x00040000(u-boot),0x00040000(u-boot_env),0x00800000(kernel),0x000a0000(splash),0x00040000(factory),0x0f6a0000(rootfs)
Writing speed is:
root at beni_om-gta02v5:~# date +%s; dd if=/dev/zero of=/media/card/bigfile
count=200 bs=1M; date +%s;
1217866226
200+0 records in
200+0 records out
1217866331
=> 1.904761904761904762
Reading speed is:
root at beni_om-gta02v5:~# date +%s; dd if=/media/card/bigfile of=/dev/null
count=200 bs=1M; date +%s;
1217866403
200+0 records in
200+0 records out
1217866494
=> 2.197802197802197802
Where did you got the number of 10000000 from?
Other numbers to test?
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/1743#comment:7>
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