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Clean up and move UART related code under a single uart.c file.
Change-Id: I7ed03fc5fe79e38350d7edc70ad55d54db780fed
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/22753
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
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Need to perform a dummy read in order to activate LPSS UART's
16550 8-bit compatibility mode.
TEST=Able to get serial log in both 32 bit and 8 bit mode through
LPSS UART2 based on CONFIG_DRIVERS_UART_8250MEM_32 and
CONFIG_DRIVERS_UART_8250MEM selection.
Change-Id: I5f23fef4522743efd49167afb04d56032e16e417
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/20939
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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1. Create a new function uart_lpss_init which takes the UART LPSS
controller out of reset and initializes and enables clock.
2. Instead of passing in m/n clock divider values as parameters to
uart_common_init, introduce Kconfig variables so that uart_lpss_init
can use the values directly without having to query the SoC.
BUG=b:64030366
TEST=Verified that UART still works on APL and KBL boards.
Change-Id: I74d01b0037d8c38fe6480c38ff2283d76097282a
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/20884
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Change-Id: Id132df15ae5a6aef75d6434df18fc71d8d28c3ca
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/19003
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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Use lpss common library to program reset and
clock register for lpss modules.
Change-Id: I198feba7c6f6d033ab77ed25a5bd9ea99411a1e4
Signed-off-by: Aamir Bohra <aamir.bohra@intel.com>
Reviewed-on: https://review.coreboot.org/19153
Tested-by: build bot (Jenkins)
Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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This patch use common PCR library to perform CRRd and CRWr operation
using Port Ids, define inside soc/pcr_ids.h
Change-Id: Id9336883514298e7f93fbc95aef8228202aa6fb9
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/18674
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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List of activity performing in this patch
- early PCH programming
- early SA programming
- early CPU programming
- mainborad early gpio programming for UART and SPI
- car setup
- move chipset programming from verstage to post console
BUG=chrome-os-partner:55357
BRANCH=none
TEST=Built and booted kunimitsu till POST code 0x34
Change-Id: If20ab869de62cd4439f3f014f9362ccbec38e143
Signed-off-by: Barnali Sarkar <barnali.sarkar@intel.com>
Signed-off-by: Naveen Krishna Chatradhi <naveenkrishna.ch@intel.com>
Signed-off-by: Rizwan Qureshi <rizwan.qureshi@intel.com>
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/15785
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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