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-rw-r--r--src/mainboard/supermicro/h8qgi/Kconfig1
-rw-r--r--src/mainboard/supermicro/h8qgi/devicetree.cb8
-rw-r--r--src/mainboard/supermicro/h8qgi/romstage.c6
3 files changed, 13 insertions, 2 deletions
diff --git a/src/mainboard/supermicro/h8qgi/Kconfig b/src/mainboard/supermicro/h8qgi/Kconfig
index e900ea8399..58f56929ac 100644
--- a/src/mainboard/supermicro/h8qgi/Kconfig
+++ b/src/mainboard/supermicro/h8qgi/Kconfig
@@ -30,6 +30,7 @@ config BOARD_SPECIFIC_OPTIONS
select SOUTHBRIDGE_AMD_CIMX_SB700
select SUPERIO_WINBOND_W83627DHG
select SUPERIO_NUVOTON_WPCM450
+ select DRIVERS_I2C_W83795
select UDELAY_TSC
select BOARD_HAS_FADT
select HAVE_BUS_CONFIG
diff --git a/src/mainboard/supermicro/h8qgi/devicetree.cb b/src/mainboard/supermicro/h8qgi/devicetree.cb
index 9d77a73463..8ecf96880e 100644
--- a/src/mainboard/supermicro/h8qgi/devicetree.cb
+++ b/src/mainboard/supermicro/h8qgi/devicetree.cb
@@ -84,8 +84,8 @@ chip northbridge/amd/agesa/family15/root_complex
irq 0x70 = 0x01 #keyboard
irq 0x72 = 0x0C #mouse
end
- #device pnp 2e.6 off # SPI
- #end
+ device pnp 2e.6 off # SPI
+ end
device pnp 2e.307 off # GPIO6
end
device pnp 2e.8 off # WDTO#, PLED
@@ -106,6 +106,10 @@ chip northbridge/amd/agesa/family15/root_complex
device pnp 2e.c off # PECI, SST
end
end #superio/winbond/w83627dhg
+ chip drivers/i2c/w83795
+ device pnp 5e on #hwm
+ end
+ end #drivers/i2c/w83795
end # LPC
device pci 14.4 on end # PCI 0x4384
device pci 14.5 on end # USB 3
diff --git a/src/mainboard/supermicro/h8qgi/romstage.c b/src/mainboard/supermicro/h8qgi/romstage.c
index ba8c5e5f6e..d4354fd92f 100644
--- a/src/mainboard/supermicro/h8qgi/romstage.c
+++ b/src/mainboard/supermicro/h8qgi/romstage.c
@@ -90,6 +90,12 @@ void cache_as_ram_main(unsigned long bist, unsigned long cpu_init_detectedx)
}
post_code(0x3C);
+ /* W83627DHG pin89,90 function select is RSTOUT3#, RSTOUT2# by default.
+ * In order to access W83795G/ADG HWM using I2C protocol,
+ * we select function to SDA, SCL function (or GP33, GP32 function).
+ */
+ w83627dhg_enable_i2c(PNP_DEV(0x2E, W83627DHG_SPI));
+
nb_Ht_Init();
post_code(0x3D);
/* Reset for HT, FIDVID, PLL and ucode patch(errata) changes to take affect. */