diff options
| author | Wolfgang Denk <wd@denx.de> | 2011-04-10 21:24:40 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2011-04-10 21:24:40 +0200 |
| commit | 17e967b3dfcc0616a135700a2c39287943ffb958 (patch) | |
| tree | 5af8e32aefa1073c18e70b3ed048e42b0eac8534 /doc/README.p1022ds | |
| parent | 4fd783d63f85871db03b1f06a2572bf43085af32 (diff) | |
| parent | c1c087b753633305a0d656a7b4d65d788f4bfb68 (diff) | |
| download | u-boot-17e967b3dfcc0616a135700a2c39287943ffb958.tar.gz | |
Merge branch 'master' of git://git.denx.de/u-boot-mpc85xx
Diffstat (limited to 'doc/README.p1022ds')
| -rw-r--r-- | doc/README.p1022ds | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/README.p1022ds b/doc/README.p1022ds new file mode 100644 index 0000000000..473ecf6217 --- /dev/null +++ b/doc/README.p1022ds @@ -0,0 +1,24 @@ +Overview +-------- +P1022ds is a Low End Dual core platform supporting the P1022 processor +of QorIQ series. P1022 is an e500 based dual core SOC. + + +Pin Multiplex(hwconfig setting) +------------------------------- +Add the environment 'usb2', 'audclk' and 'tdm' to support pin multiplex +via hwconfig, i.e: +'setenv hwconfig usb2' to enable USB2 and disable eTsec2 +'setenv hwconfig tdm' to enable TDM and disable Audio +'setenv hwconfig audclk:12' to enable Audio(codec clock sources is 12MHz) + and disable TDM +'setenv hwconfig 'usb2;tdm' to enable USB2 and TDM, disable eTsec2 and Audio +'setenv hwconfig 'usb2;audclk:11' to enable USB2 and Audio(codec clock sources + is 11MHz), disable eTsec2 and TDM + +Warning: TDM and AUDIO can not enable simultaneous ! +and AUDIO codec clock sources only setting as 11MHz or 12MHz ! +'setenv hwconfig 'audclk:12;tdm' --- error ! +'setenv hwconfig 'audclk:11;tdm' --- error ! +'setenv hwconfig 'audclk:10' --- error ! + |