5 files changed, 172 insertions, 0 deletions
diff --git a/roms/u-boot/board/phytec/phycore_rk3288/Kconfig b/roms/u-boot/board/phytec/phycore_rk3288/Kconfig
new file mode 100644
index 000000000..57cd8e26e
--- /dev/null
+++ b/roms/u-boot/board/phytec/phycore_rk3288/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_PHYCORE_RK3288
+
+config SYS_BOARD
+	default "phycore_rk3288"
+
+config SYS_VENDOR
+	default "phytec"
+
+config SYS_CONFIG_NAME
+	default "phycore_rk3288"
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+
+endif
diff --git a/roms/u-boot/board/phytec/phycore_rk3288/MAINTAINERS b/roms/u-boot/board/phytec/phycore_rk3288/MAINTAINERS
new file mode 100644
index 000000000..9c0de3cc8
--- /dev/null
+++ b/roms/u-boot/board/phytec/phycore_rk3288/MAINTAINERS
@@ -0,0 +1,6 @@
+phyCORE-RK3288
+M:	Wadim Egorov <w.egorov@phytec.de>
+S:	Maintained
+F:	board/phytec/phycore_rk3288
+F:	include/configs/phycore_rk3288.h
+F:	configs/phycore-rk3288_defconfig
diff --git a/roms/u-boot/board/phytec/phycore_rk3288/Makefile b/roms/u-boot/board/phytec/phycore_rk3288/Makefile
new file mode 100644
index 000000000..f379fbe93
--- /dev/null
+++ b/roms/u-boot/board/phytec/phycore_rk3288/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2017 PHYTEC Messtechnik GmbH
+# Author: Wadim Egorov <w.egorov@phytec.de>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y += phycore-rk3288.o
diff --git a/roms/u-boot/board/phytec/phycore_rk3288/phycore-rk3288.c b/roms/u-boot/board/phytec/phycore_rk3288/phycore-rk3288.c
new file mode 100644
index 000000000..f588fc3b0
--- /dev/null
+++ b/roms/u-boot/board/phytec/phycore_rk3288/phycore-rk3288.c
@@ -0,0 +1,123 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2017 PHYTEC Messtechnik GmbH
+ * Author: Wadim Egorov <w.egorov@phytec.de>
+ */
+
+#include <eeprom.h>
+#include <init.h>
+#include <log.h>
+#include <net.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <env_internal.h>
+#include <i2c.h>
+#include <i2c_eeprom.h>
+#include <netdev.h>
+#include <linux/bitops.h>
+#include "som.h"
+#include <power/regulator.h>
+#include <power/rk8xx_pmic.h>
+
+static int valid_rk3288_som(struct rk3288_som *som)
+{
+	unsigned char *p = (unsigned char *)som;
+	unsigned char *e = p + sizeof(struct rk3288_som) - 1;
+	int hw = 0;
+
+	while (p < e) {
+		hw += hweight8(*p);
+		p++;
+	}
+
+	return hw == som->bs;
+}
+
+int rk3288_board_late_init(void)
+{
+	int ret;
+	struct udevice *dev;
+	struct rk3288_som opt;
+	int off;
+
+	/* Get the identificatioin page of M24C32-D EEPROM */
+	off = fdt_path_offset(gd->fdt_blob, "eeprom0");
+	if (off < 0) {
+		printf("%s: No eeprom0 path offset\n", __func__);
+		return off;
+	}
+
+	ret = uclass_get_device_by_of_offset(UCLASS_I2C_EEPROM, off, &dev);
+	if (ret) {
+		printf("%s: Could not find EEPROM\n", __func__);
+		return ret;
+	}
+
+	ret = i2c_set_chip_offset_len(dev, 2);
+	if (ret)
+		return ret;
+
+	ret = i2c_eeprom_read(dev, 0, (uint8_t *)&opt,
+				sizeof(struct rk3288_som));
+	if (ret) {
+		printf("%s: Could not read EEPROM\n", __func__);
+		return ret;
+	}
+
+	if (opt.api_version != 0 || !valid_rk3288_som(&opt)) {
+		printf("Invalid data or wrong EEPROM layout version.\n");
+		/* Proceed anyway, since there is no fallback option */
+	}
+
+	if (is_valid_ethaddr(opt.mac))
+		eth_env_set_enetaddr("ethaddr", opt.mac);
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL_BUILD
+#if !defined(CONFIG_SPL_OF_PLATDATA)
+static int phycore_init(void)
+{
+	struct udevice *pmic;
+	int ret;
+
+	ret = uclass_first_device_err(UCLASS_PMIC, &pmic);
+	if (ret)
+		return ret;
+
+#if defined(CONFIG_SPL_POWER_SUPPORT)
+	/* Increase USB input current to 2A */
+	ret = rk818_spl_configure_usb_input_current(pmic, 2000);
+	if (ret)
+		return ret;
+
+	/* Close charger when USB lower then 3.26V */
+	ret = rk818_spl_configure_usb_chrg_shutdown(pmic, 3260000);
+	if (ret)
+		return ret;
+#endif
+
+	return 0;
+}
+#endif
+
+void spl_board_init(void)
+{
+#if !defined(CONFIG_SPL_OF_PLATDATA)
+	int ret;
+
+	if (of_machine_is_compatible("phytec,rk3288-phycore-som")) {
+		ret = phycore_init();
+		if (ret) {
+			debug("Failed to set up phycore power settings: %d\n",
+			      ret);
+			return;
+		}
+	}
+#endif
+}
+#endif
diff --git a/roms/u-boot/board/phytec/phycore_rk3288/som.h b/roms/u-boot/board/phytec/phycore_rk3288/som.h
new file mode 100644
index 000000000..f627264f5
--- /dev/null
+++ b/roms/u-boot/board/phytec/phycore_rk3288/som.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2017 PHYTEC Messtechnik GmbH
+ * Author: Wadim Egorov <w.egorov@phytec.de>
+ */
+
+/*
+ * rk3288_som struct represents the eeprom layout for PHYTEC RK3288 based SoMs
+ */
+struct rk3288_som {
+	unsigned char api_version;	/* EEPROM layout API version */
+	unsigned char mod_version;	/* PCM/PFL/PCA */
+	unsigned char option[12];	/* coding for variants */
+	unsigned char som_rev;		/* SOM revision */
+	unsigned char mac[6];
+	unsigned char ksp;		/* 1: KSP, 2: KSM */
+	unsigned char kspno;		/* Number for KSP/KSM module */
+	unsigned char reserved[8];	/* not used */
+	unsigned char bs;		/* Bits set in previous bytes */
+} __attribute__ ((__packed__));