1 files changed, 56 insertions, 0 deletions
diff --git a/meta-rcs/meta-blackbird/recipes-phosphor/video/lvds-config/lvds.sh b/meta-rcs/meta-blackbird/recipes-phosphor/video/lvds-config/lvds.sh
new file mode 100755
index 000000000..2d0197d26
--- /dev/null
+++ b/meta-rcs/meta-blackbird/recipes-phosphor/video/lvds-config/lvds.sh
@@ -0,0 +1,56 @@
+#!/bin/bash
+#
+# Copyright 2018 - 2019 Raptor Engineering, LLC
+# Released under the terms of the GPL v3
+
+# ***** BMC PINMUX *****
+
+# HACK
+# Work around pinmux hog failure on cold boot
+# Remove this block once the pinmux is fixed in the kernel!
+devmem 0x1e6e2094 32 0x00004001
+devmem 0x1e6e208c 32 0x000000ff
+devmem 0x1e6e20a4 32 0xfffff000
+devmem 0x1e6e20a8 32 0x000fffff
+devmem 0x1e6e6064 32 0x00000080
+
+
+# ***** SET UP ITE HDMI TRANSCEIVER *****
+
+I2C_BUS=5
+I2C_DEV=0x4c
+
+# ***** GENERAL *****
+# Reset device
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0x4 0x1c
+
+
+# ***** VIDEO *****
+# Set bank 0
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0x0f 0x08	# 0x0f[1:0] = 0
+
+# AVMute output
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0xc1 0x01	# 0xc1[0] = 1
+
+# Take device out of reset
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0x04 0x00
+
+# Enable HDMI transmitter reset
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0x61 0x10
+
+# Configure input signal
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0x70 0x00	# RGB mode, I/O latch at TxClk, non-CCIR656, non-embedded sync, single edge, no PCLK delay
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0x90 0x00	# PG horizontal total = 0, H/V sync provided by external driver, active low VSYNC, active low HSYNC, Data Enable provided by external driver
+
+# Enable DVI mode (works for HDMI as well, host should configure HDMI later in the boot process)
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0xc0 0x00	# 0xc0[0] = 0
+
+# Release HDMI transmitter reset
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0x61 0x00	# 0x61[4] = 0
+
+# Un-AVMute output
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0xc1 0x00	# 0xc1[0] = 0
+
+# ***** AUDIO *****
+# Disable audio channel
+i2cset -y ${I2C_BUS} ${I2C_DEV} 0xe0 0x08	# 0xe0[3:0] = 0