diff options
| author | Thomas Petazzoni <thomas.petazzoni@free-electrons.com> | 2014-04-22 23:26:35 +0200 |
|---|---|---|
| committer | Jason Cooper <jason@lakedaemon.net> | 2014-04-26 19:45:18 +0000 |
| commit | a54cd73b842b615f1e98bb2aa1b963e17d0ca127 (patch) | |
| tree | c285067388c1d6dff550613e127b8acdfa0165f9 /arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts | |
| parent | a665fce3e7fe1c7d1a77e99293257f2d008b1488 (diff) | |
ARM: orion5x: use DT to describe NOR on edmini_v2
This commit converts the already partially DT-converted edmini_v2
platform to use the Device Tree for NOR flash, using the Device Bus.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Link: https://lkml.kernel.org/r/1398202002-28530-32-git-send-email-thomas.petazzoni@free-electrons.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts')
| -rw-r--r-- | arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts b/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts index f0f2bcc6815..1ecddbe655e 100644 --- a/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts +++ b/arch/arm/boot/dts/orion5x-lacie-ethernet-disk-mini-v2.dts @@ -28,7 +28,8 @@ soc { ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000>, - <MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>; + <MBUS_ID(0x09, 0x00) 0 0xf2200000 0x800>, + <MBUS_ID(0x01, 0x0f) 0 0xfff80000 0x80000>; }; gpio-keys { @@ -56,6 +57,46 @@ }; }; +&devbus_bootcs { + status = "okay"; + + /* Read parameters */ + devbus,bus-width = <8>; + devbus,turn-off-ps = <90000>; + devbus,badr-skew-ps = <0>; + devbus,acc-first-ps = <186000>; + devbus,acc-next-ps = <186000>; + + /* Write parameters */ + devbus,wr-high-ps = <90000>; + devbus,wr-low-ps = <90000>; + devbus,ale-wr-ps = <90000>; + + /* + * Currently the MTD code does not recognize the MX29LV400CBCT + * as a bottom-type device. This could cause risks of + * accidentally erasing critical flash sectors. We thus define + * a single, write-protected partition covering the whole + * flash. TODO: once the flash part TOP/BOTTOM detection + * issue is sorted out in the MTD code, break this into at + * least three partitions: 'u-boot code', 'u-boot environment' + * and 'whatever is left'. + */ + flash@0 { + compatible = "cfi-flash"; + reg = <0 0x80000>; + bank-width = <1>; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "Full512Kb"; + reg = <0 0x80000>; + read-only; + }; + }; +}; + &ehci0 { status = "okay"; }; |