I am not sure my last email approach may be not good. but one thing : how to compile : ./src/soc/intel/common/block/i2c/lpss_i2c.c . In my project i am compiling only libpayload. and need to to compile this i2c project too,
Regards Chiinmoy On Fri, Nov 17, 2017 at 4:05 PM, chinmoy ghosh <[email protected]> wrote: > Thanks for reply. > > Requirement : > I am working for Intel Apollo Lake SOC. > I need to enable a power chip which sits on I2c bus and reset the chip > via gpio pin .So i need to write a slave driver to access the chip. > > Static Analysis by me : > Before that , i2c master should be there . I feel lpss_i2c.c can help the > same. > I called the lpss_i2c_init function from > external/coreboot/payloads/libpayload/arch/x86/main.c > and compiling with libpayload.a . > let me know if i am right upto this ?. if it is then following questions > are : > 1) how to access GPIO register to ser one or zero > 2) how to do i2c slave write for that chip ? any api for that ? > > > Regards > Chinmoy > > > On Fri, Nov 17, 2017 at 2:04 PM, Paul Menzel <paulepanter@users. > sourceforge.net> wrote: > >> Dear Chinmoy, >> >> >> Am Donnerstag, den 16.11.2017, 17:48 +0530 schrieb chinmoy ghosh: >> > I am new to coreboot. >> >> Welcome! >> >> > I am able to clone the coreboot and able to compile for x86 arch. >> > I am not able to select any drivers in the menuconfig. I want compile >> some >> > coreboot/src/drivers/i2c drivers. >> >> I assume these are dependent on the board. Please elaborate on your >> goal, that means what I2C driver do you need, and what board do you >> work on, and give all the necessary details, like what commit hash you >> use. >> >> >> Thanks, >> >> Paul >> -- >> coreboot mailing list: [email protected] >> https://mail.coreboot.org/mailman/listinfo/coreboot >> > >
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