X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=README;h=ff4ed8b95c0de979e17c56efcb65238afc1ba8a4;hb=8b142ab08b0e7a7eb491c620a3f3870d24327c10;hp=cf3867dcf39d68c739711593937a530b4fcfb7f1;hpb=02c9aa1d41f73fdcf8383a36cc0cbbfaf952855d;p=platform%2Fkernel%2Fu-boot.git diff --git a/README b/README index cf3867d..ff4ed8b 100644 --- a/README +++ b/README @@ -858,9 +858,13 @@ The following options need to be configured: MPC5200 USB requires additional defines: CONFIG_USB_CLOCK for 528 MHz Clock: 0x0001bbbb + CONFIG_PSC3_USB + for USB on PSC3 CONFIG_USB_CONFIG for differential drivers: 0x00001000 for single ended drivers: 0x00005000 + for differential drivers on PSC3: 0x00000100 + for single ended drivers on PSC3: 0x00004100 CONFIG_SYS_USB_EVENT_POLL May be defined to allow interrupt polling instead of using asynchronous interrupts @@ -1362,6 +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) @@ -3908,10 +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: