Hi all,
i am working on MPC8315 based board and i am able to port the U-Boot with (VERSION = 2009, PATCHLEVEL = 11, SUBLEVEL = 1). In my board one Temperature sensor chip is connected and i am not able to access the chip from u-Boot. The processor is getting initialized during power-up using I2C EEPROM but once powered up U-Boot is giving time out error when ever i am trying to access the EEPROM and temperature sensor. when i probe the clock signal it is coming only when the processor is getting initialized from the EEPROM. i have disabled the the PCI interface in U-boot since in my board no PCI devices are there. U-Boot 2009.11.1 (May 28 2010 - 15:19:41) MPC83XX Reset Status: Software Hard, External/Internal Soft, External/Internal Hard CPU: e300c3, MPC8315E, Rev: 1.2 at 266.667 MHz, CSB: 133.333 MHz Board: MPC8315CTI Rev A i2c_wait: timed out i2c_wait: timed out I2C VAL = 0 I2C: Requested speed:10000, i2c_clk:133333334 FDR:0x3c, div:20480, ga:0x4, gb:0x7, a:10, b:2048, speed:6510 Tr <= 15225 ns FDR:0x3a, div:14336, ga:0x6, gb:0x6, a:14, b:1024, speed:9300 Tr <= 7545 ns divider:13333, est_div:14336, DFSR:6 FDR:0x3a, speed:9300 ready DRAM: 64 MB FLASH: 64 MB Requested speed:10000, i2c_clk:133333334 FDR:0x3c, div:20480, ga:0x4, gb:0x7, a:10, b:2048, speed:6510 Tr <= 15225 ns FDR:0x3a, div:14336, ga:0x6, gb:0x6, a:14, b:1024, speed:9300 Tr <= 7545 ns divider:13333, est_div:14336, DFSR:6 FDR:0x3a, speed:9300 In: serial Out: serial Err: serial i2c_wait: timed out DTT: 1 FAILED INIT Net: eTSEC0, eTSEC1 please help me to find out why there is no activity in MPC8315 I2C interface once U-Boot got loaded. Thanks, Vaasu. TV
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