X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=README;h=ff4ed8b95c0de979e17c56efcb65238afc1ba8a4;hb=eb0a2cc9e3486e0ca9d557abe5faa50f161331f2;hp=246ae2badca47cefc8106de76bc2adfbbee859e4;hpb=68ccfa482be0c7e4aa18285aceb214ed7f5d8e89;p=oweals%2Fu-boot.git diff --git a/README b/README index 246ae2badc..ff4ed8b95c 100644 --- a/README +++ b/README @@ -1366,6 +1366,13 @@ The following options need to be configured: therefore be cleared to 0 (See, eg, MPC823e User's Manual p.16-473). So, set CONFIG_SYS_I2C_SLAVE to 0. + CONFIG_SYS_I2C_INIT_MPC5XXX + + When a board is reset during an i2c bus transfer + chips might think that the current transfer is still + in progress. Reset the slave devices by sending start + commands until the slave device responds. + That's all that's required for CONFIG_HARD_I2C. If you use the software i2c interface (CONFIG_SOFT_I2C) @@ -3912,10 +3919,10 @@ For PowerPC, the following registers have specific use: average for all boards 752 bytes for the whole U-Boot image, 624 text + 127 data). -On Blackfin, the normal C ABI (except for P5) is followed as documented here: +On Blackfin, the normal C ABI (except for P3) is followed as documented here: http://docs.blackfin.uclinux.org/doku.php?id=application_binary_interface - ==> U-Boot will use P5 to hold a pointer to the global data + ==> U-Boot will use P3 to hold a pointer to the global data On ARM, the following registers are used: