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mb/siemens/mc_ehl2: Change to new RTC RV3028-C7

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Since the latest redesign a new RTC was introduced on mc_ehl2. Instead
of the old RX6110SA the new Micro Crystal RTC RV3028 is used now. Since
the address of this new RTC conflicts with an EEPROM on I2C bus 2, the
new RTC was moved to I2C bus 1.
As the mainboard is not finished yet, there are no incompatibility
issues with this change. Every new mainboard will have the new RTC and
the older mainboards are not delivered yet.

Change-Id: I3dd00855b8c9b22bdea21d3c8563cdb392868751
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67101
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Mario Scheithauer <mario.scheithauer@siemens.com>
This commit is contained in:
Werner Zeh
2022-08-26 13:58:27 +02:00
committed by Felix Held
parent d518c6593c
commit 4d51071c04
2 changed files with 7 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/mainboard/siemens/mc_ehl/variants/mc_ehl2/Kconfig
View File

@@ -2,7 +2,7 @@ if BOARD_SIEMENS_MC_EHL2
config BOARD_SPECIFIC_OPTIONS
def_bool y
select DRIVERS_I2C_RX6110SA
select DRIVERS_I2C_RV3028C7
select DRIVER_INTEL_I210
select SOC_INTEL_COMMON_BLOCK_LPC_COMB_ENABLE
select EHL_TSN_DRIVER

15
src/mainboard/siemens/mc_ehl/variants/mc_ehl2/devicetree.cb
View File

@@ -123,23 +123,20 @@ chip soc/intel/elkhartlake
device pci 14.0 on end # USB3.1 xHCI
device pci 15.0 on end # I2C0
device pci 15.1 on end # I2C1
device pci 15.2 on # I2C2
device pci 15.1 on # I2C1
# Enable external RTC chip
chip drivers/i2c/rx6110sa
register "bus_speed" = "I2C_SPEED_STANDARD"
register "pmon_sampling" = "PMON_SAMPL_256_MS"
register "bks_on" = "0"
register "bks_off" = "1"
register "iocut_en" = "1"
chip drivers/i2c/rv3028c7
register "set_user_date" = "1"
register "user_year" = "04"
register "user_month" = "07"
register "user_day" = "01"
register "user_weekday" = "4"
device i2c 0x32 on end # RTC RX6110 SA
register "bckup_sw_mode" = "BACKUP_SW_LEVEL"
register "cap_charge" = "CHARGE_OFF"
device i2c 0x52 on end # RTC RV3028-C7
end
end
device pci 15.2 on end # I2C2
device pci 15.3 on end # I2C3
device pci 16.0 hidden end # Management Engine Interface 1