From 2bde9fae0847da5df549aa478c03a8f0213b999b Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 15 Aug 2023 13:59:46 -0500
Subject: [PATCH] mainline: i2c up: at24 1-0050: 4096 byte 24c32 EEPROM,
 writable, 1 bytes/write

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
 04_build_linux.sh                | 11 +++++--
 patches/linux/mainline/defconfig | 55 ++++++++++++++++++++++++++------
 rebuild_linux.sh                 | 48 ++++++++++++++++++++++++++++
 rebuild_linux_menuconfig.sh      | 50 +++++++++++++++++++++++++++++
 4 files changed, 152 insertions(+), 12 deletions(-)
 create mode 100755 rebuild_linux.sh
 create mode 100755 rebuild_linux_menuconfig.sh

diff --git a/04_build_linux.sh b/04_build_linux.sh
index d7a1753..bb31501 100755
--- a/04_build_linux.sh
+++ b/04_build_linux.sh
@@ -123,9 +123,16 @@ if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
 	#./scripts/config --disable CONFIG_SMP
 else
 	make ARCH=riscv CROSS_COMPILE=${CC} defconfig
-fi
 
-#make ARCH=riscv CROSS_COMPILE=${CC} menuconfig
+	#./scripts/config --enable 
+	./scripts/config --enable CONFIG_PCIE_MICROCHIP_HOST
+	./scripts/config --enable CONFIG_OF_OVERLAY
+	./scripts/config --enable CONFIG_I2C
+	./scripts/config --enable CONFIG_EEPROM_AT24
+	./scripts/config --enable CONFIG_I2C_MICROCHIP_CORE
+
+	make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} olddefconfig
+fi
 
 echo "make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs"
 make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs
diff --git a/patches/linux/mainline/defconfig b/patches/linux/mainline/defconfig
index 28b8f61..ce43f44 100644
--- a/patches/linux/mainline/defconfig
+++ b/patches/linux/mainline/defconfig
@@ -1201,7 +1201,7 @@ CONFIG_VGA_ARB_MAX_GPUS=16
 # CONFIG_PCI_FTPCI100 is not set
 CONFIG_PCI_HOST_COMMON=y
 CONFIG_PCI_HOST_GENERIC=y
-# CONFIG_PCIE_MICROCHIP_HOST is not set
+CONFIG_PCIE_MICROCHIP_HOST=y
 # CONFIG_PCIE_RCAR_HOST is not set
 CONFIG_PCIE_XILINX=y
 
@@ -1273,6 +1273,7 @@ CONFIG_ALLOW_DEV_COREDUMP=y
 # CONFIG_TEST_ASYNC_DRIVER_PROBE is not set
 CONFIG_SOC_BUS=y
 CONFIG_REGMAP=y
+CONFIG_REGMAP_I2C=y
 CONFIG_REGMAP_MMIO=y
 CONFIG_DMA_SHARED_BUFFER=y
 # CONFIG_DMA_FENCE_TRACE is not set
@@ -1339,10 +1340,12 @@ CONFIG_OF=y
 CONFIG_OF_FLATTREE=y
 CONFIG_OF_EARLY_FLATTREE=y
 CONFIG_OF_KOBJ=y
+CONFIG_OF_DYNAMIC=y
 CONFIG_OF_ADDRESS=y
 CONFIG_OF_IRQ=y
 CONFIG_OF_RESERVED_MEM=y
-# CONFIG_OF_OVERLAY is not set
+CONFIG_OF_RESOLVE=y
+CONFIG_OF_OVERLAY=y
 # CONFIG_PARPORT is not set
 CONFIG_PNP=y
 CONFIG_PNP_DEBUG_MESSAGES=y
@@ -1409,7 +1412,7 @@ CONFIG_BLK_DEV_NVME=m
 #
 # EEPROM support
 #
-# CONFIG_EEPROM_AT24 is not set
+CONFIG_EEPROM_AT24=y
 # CONFIG_EEPROM_AT25 is not set
 # CONFIG_EEPROM_LEGACY is not set
 # CONFIG_EEPROM_MAX6875 is not set
@@ -1428,10 +1431,6 @@ CONFIG_BLK_DEV_NVME=m
 # end of Texas Instruments shared transport line discipline
 
 # CONFIG_SENSORS_LIS3_I2C is not set
-
-#
-# Altera FPGA firmware download module (requires I2C)
-#
 # CONFIG_ALTERA_STAPL is not set
 # CONFIG_GENWQE is not set
 # CONFIG_ECHO is not set
@@ -2120,12 +2119,14 @@ CONFIG_MOUSE_PS2_ALPS=y
 CONFIG_MOUSE_PS2_BYD=y
 CONFIG_MOUSE_PS2_LOGIPS2PP=y
 CONFIG_MOUSE_PS2_SYNAPTICS=y
+CONFIG_MOUSE_PS2_SYNAPTICS_SMBUS=y
 CONFIG_MOUSE_PS2_CYPRESS=y
 CONFIG_MOUSE_PS2_TRACKPOINT=y
 # CONFIG_MOUSE_PS2_ELANTECH is not set
 # CONFIG_MOUSE_PS2_SENTELIC is not set
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 CONFIG_MOUSE_PS2_FOCALTECH=y
+CONFIG_MOUSE_PS2_SMBUS=y
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
 # CONFIG_MOUSE_BCM5974 is not set
@@ -2261,7 +2262,8 @@ CONFIG_DEVPORT=y
 #
 # I2C support
 #
-CONFIG_I2C=m
+CONFIG_I2C=y
+CONFIG_ACPI_I2C_OPREGION=y
 CONFIG_I2C_BOARDINFO=y
 CONFIG_I2C_COMPAT=y
 # CONFIG_I2C_CHARDEV is not set
@@ -2306,7 +2308,7 @@ CONFIG_I2C_ALGOBIT=m
 # CONFIG_I2C_DESIGNWARE_PCI is not set
 # CONFIG_I2C_EMEV2 is not set
 # CONFIG_I2C_GPIO is not set
-# CONFIG_I2C_MICROCHIP_CORE is not set
+CONFIG_I2C_MICROCHIP_CORE=y
 CONFIG_I2C_MV64XXX=m
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_PCA_PLATFORM is not set
@@ -2419,6 +2421,7 @@ CONFIG_GENERIC_PINCONF=y
 # CONFIG_PINCTRL_OCELOT is not set
 # CONFIG_PINCTRL_SINGLE is not set
 # CONFIG_PINCTRL_STMFX is not set
+# CONFIG_PINCTRL_SX150X is not set
 
 #
 # Renesas pinctrl drivers
@@ -2839,7 +2842,11 @@ CONFIG_BCMA_POSSIBLE=y
 #
 # CONFIG_MFD_ACT8945A is not set
 # CONFIG_MFD_SUN4I_GPADC is not set
+# CONFIG_MFD_AS3711 is not set
 # CONFIG_MFD_SMPRO is not set
+# CONFIG_MFD_AS3722 is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_AAT2870_CORE is not set
 # CONFIG_MFD_ATMEL_FLEXCOM is not set
 # CONFIG_MFD_ATMEL_HLCDC is not set
 # CONFIG_MFD_BCM590XX is not set
@@ -2847,7 +2854,10 @@ CONFIG_BCMA_POSSIBLE=y
 # CONFIG_MFD_AXP20X_I2C is not set
 # CONFIG_MFD_MADERA is not set
 # CONFIG_MFD_MAX5970 is not set
+# CONFIG_PMIC_DA903X is not set
 # CONFIG_MFD_DA9052_SPI is not set
+# CONFIG_MFD_DA9052_I2C is not set
+# CONFIG_MFD_DA9055 is not set
 # CONFIG_MFD_DA9062 is not set
 # CONFIG_MFD_DA9063 is not set
 # CONFIG_MFD_DA9150 is not set
@@ -2864,12 +2874,19 @@ CONFIG_BCMA_POSSIBLE=y
 # CONFIG_MFD_KEMPLD is not set
 # CONFIG_MFD_88PM800 is not set
 # CONFIG_MFD_88PM805 is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_MAX14577 is not set
+# CONFIG_MFD_MAX77541 is not set
+# CONFIG_MFD_MAX77620 is not set
 # CONFIG_MFD_MAX77650 is not set
 # CONFIG_MFD_MAX77686 is not set
 # CONFIG_MFD_MAX77693 is not set
 # CONFIG_MFD_MAX77714 is not set
+# CONFIG_MFD_MAX77843 is not set
 # CONFIG_MFD_MAX8907 is not set
+# CONFIG_MFD_MAX8925 is not set
+# CONFIG_MFD_MAX8997 is not set
+# CONFIG_MFD_MAX8998 is not set
 # CONFIG_MFD_MT6360 is not set
 # CONFIG_MFD_MT6370 is not set
 # CONFIG_MFD_MT6397 is not set
@@ -2886,9 +2903,11 @@ CONFIG_BCMA_POSSIBLE=y
 # CONFIG_MFD_RT4831 is not set
 # CONFIG_MFD_RT5033 is not set
 # CONFIG_MFD_RT5120 is not set
+# CONFIG_MFD_RC5T583 is not set
 # CONFIG_MFD_RK8XX_I2C is not set
 # CONFIG_MFD_RK8XX_SPI is not set
 # CONFIG_MFD_RN5T618 is not set
+# CONFIG_MFD_SEC_CORE is not set
 # CONFIG_MFD_SI476X_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_SKY81452 is not set
@@ -2898,28 +2917,44 @@ CONFIG_BCMA_POSSIBLE=y
 CONFIG_MFD_SYSCON=y
 # CONFIG_MFD_TI_AM335X_TSCADC is not set
 # CONFIG_MFD_LP3943 is not set
+# CONFIG_MFD_LP8788 is not set
 # CONFIG_MFD_TI_LMU is not set
+# CONFIG_MFD_PALMAS is not set
 # CONFIG_TPS6105X is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_TPS6507X is not set
 # CONFIG_MFD_TPS65086 is not set
+# CONFIG_MFD_TPS65090 is not set
 # CONFIG_MFD_TPS65217 is not set
 # CONFIG_MFD_TI_LP873X is not set
 # CONFIG_MFD_TI_LP87565 is not set
 # CONFIG_MFD_TPS65218 is not set
 # CONFIG_MFD_TPS65219 is not set
+# CONFIG_MFD_TPS6586X is not set
+# CONFIG_MFD_TPS65910 is not set
 # CONFIG_MFD_TPS65912_I2C is not set
 # CONFIG_MFD_TPS65912_SPI is not set
 # CONFIG_MFD_TPS6594_I2C is not set
 # CONFIG_MFD_TPS6594_SPI is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_TWL6040_CORE is not set
 # CONFIG_MFD_WL1273_CORE is not set
 # CONFIG_MFD_LM3533 is not set
+# CONFIG_MFD_TC3589X is not set
 # CONFIG_MFD_TQMX86 is not set
 # CONFIG_MFD_VX855 is not set
+# CONFIG_MFD_LOCHNAGAR is not set
 # CONFIG_MFD_ARIZONA_I2C is not set
 # CONFIG_MFD_ARIZONA_SPI is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X_I2C is not set
 # CONFIG_MFD_WM831X_SPI is not set
+# CONFIG_MFD_WM8350_I2C is not set
 # CONFIG_MFD_WM8994 is not set
+# CONFIG_MFD_ROHM_BD718XX is not set
+# CONFIG_MFD_ROHM_BD71828 is not set
+# CONFIG_MFD_ROHM_BD957XMUF is not set
+# CONFIG_MFD_STPMIC1 is not set
 # CONFIG_MFD_STMFX is not set
 # CONFIG_MFD_ATC260X_I2C is not set
 # CONFIG_MFD_QCOM_PM8008 is not set
@@ -3722,7 +3757,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_MAX6902 is not set
 # CONFIG_RTC_DRV_PCF2123 is not set
 # CONFIG_RTC_DRV_MCP795 is not set
-CONFIG_RTC_I2C_AND_SPI=m
+CONFIG_RTC_I2C_AND_SPI=y
 
 #
 # SPI and I2C RTC drivers
diff --git a/rebuild_linux.sh b/rebuild_linux.sh
new file mode 100755
index 0000000..646afa8
--- /dev/null
+++ b/rebuild_linux.sh
@@ -0,0 +1,48 @@
+#!/bin/bash
+
+CORES=$(getconf _NPROCESSORS_ONLN)
+wdir=`pwd`
+CC=${CC:-"${wdir}/riscv-toolchain/bin/riscv64-linux-"}
+
+cd ./linux/
+
+echo "make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs"
+make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs
+
+KERNEL_UTS=$(cat "${wdir}/linux/include/generated/utsrelease.h" | awk '{print $3}' | sed 's/\"//g' )
+
+if [ -d "${wdir}/deploy/tmp/" ] ; then
+	rm -rf "${wdir}/deploy/tmp/"
+fi
+mkdir -p "${wdir}/deploy/tmp/"
+
+make -s ARCH=riscv CROSS_COMPILE=${CC} modules_install INSTALL_MOD_PATH="${wdir}/deploy/tmp"
+
+if [ -f "${wdir}/deploy/${KERNEL_UTS}-modules.tar.gz" ] ; then
+	rm -rf "${wdir}/deploy/${KERNEL_UTS}-modules.tar.gz" || true
+fi
+echo "Compressing ${KERNEL_UTS}-modules.tar.gz..."
+echo "${KERNEL_UTS}" > "${wdir}/deploy/.modules"
+cd "${wdir}/deploy/tmp" || true
+tar --create --gzip --file "../${KERNEL_UTS}-modules.tar.gz" ./*
+cd "${wdir}/linux/" || exit
+rm -rf "${wdir}/deploy/tmp" || true
+
+if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
+	cp -v ./.config ../patches/linux/mpfs_defconfig
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts ../patches/linux/dts/mpfs-beaglev-fire.dts
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire-fabric.dtsi ../patches/linux/dts/mpfs-beaglev-fire-fabric.dtsi
+else
+	cp -v ./.config ../patches/linux/mainline/defconfig
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts ../patches/linux/mainline/dts/mpfs-beaglev-fire.dts
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire-fabric.dtsi ../patches/linux/mainline/dts/mpfs-beaglev-fire-fabric.dtsi
+fi
+if [ ! -d ../deploy/input/ ] ; then
+	mkdir -p ../deploy/input/ || true
+fi
+cp -v ./arch/riscv/boot/Image ../deploy/input/
+cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dtb ../deploy/input/
+
+cd ../
+
+#
diff --git a/rebuild_linux_menuconfig.sh b/rebuild_linux_menuconfig.sh
new file mode 100755
index 0000000..0cd5a64
--- /dev/null
+++ b/rebuild_linux_menuconfig.sh
@@ -0,0 +1,50 @@
+#!/bin/bash
+
+CORES=$(getconf _NPROCESSORS_ONLN)
+wdir=`pwd`
+CC=${CC:-"${wdir}/riscv-toolchain/bin/riscv64-linux-"}
+
+cd ./linux/
+
+make ARCH=riscv CROSS_COMPILE=${CC} menuconfig
+
+echo "make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs"
+make -j${CORES} ARCH=riscv CROSS_COMPILE=${CC} Image modules dtbs
+
+KERNEL_UTS=$(cat "${wdir}/linux/include/generated/utsrelease.h" | awk '{print $3}' | sed 's/\"//g' )
+
+if [ -d "${wdir}/deploy/tmp/" ] ; then
+	rm -rf "${wdir}/deploy/tmp/"
+fi
+mkdir -p "${wdir}/deploy/tmp/"
+
+make -s ARCH=riscv CROSS_COMPILE=${CC} modules_install INSTALL_MOD_PATH="${wdir}/deploy/tmp"
+
+if [ -f "${wdir}/deploy/${KERNEL_UTS}-modules.tar.gz" ] ; then
+	rm -rf "${wdir}/deploy/${KERNEL_UTS}-modules.tar.gz" || true
+fi
+echo "Compressing ${KERNEL_UTS}-modules.tar.gz..."
+echo "${KERNEL_UTS}" > "${wdir}/deploy/.modules"
+cd "${wdir}/deploy/tmp" || true
+tar --create --gzip --file "../${KERNEL_UTS}-modules.tar.gz" ./*
+cd "${wdir}/linux/" || exit
+rm -rf "${wdir}/deploy/tmp" || true
+
+if [ -f arch/riscv/configs/mpfs_defconfig ] ; then
+	cp -v ./.config ../patches/linux/mpfs_defconfig
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts ../patches/linux/dts/mpfs-beaglev-fire.dts
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire-fabric.dtsi ../patches/linux/dts/mpfs-beaglev-fire-fabric.dtsi
+else
+	cp -v ./.config ../patches/linux/mainline/defconfig
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dts ../patches/linux/mainline/dts/mpfs-beaglev-fire.dts
+	cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire-fabric.dtsi ../patches/linux/mainline/dts/mpfs-beaglev-fire-fabric.dtsi
+fi
+if [ ! -d ../deploy/input/ ] ; then
+	mkdir -p ../deploy/input/ || true
+fi
+cp -v ./arch/riscv/boot/Image ../deploy/input/
+cp -v ./arch/riscv/boot/dts/microchip/mpfs-beaglev-fire.dtb ../deploy/input/
+
+cd ../
+
+#