4 files changed, 188 insertions, 0 deletions
diff --git a/roms/u-boot/board/microchip/mpfs_icicle/Kconfig b/roms/u-boot/board/microchip/mpfs_icicle/Kconfig
new file mode 100644
index 000000000..467846237
--- /dev/null
+++ b/roms/u-boot/board/microchip/mpfs_icicle/Kconfig
@@ -0,0 +1,49 @@
+if TARGET_MICROCHIP_ICICLE
+
+config SYS_BOARD
+	default "mpfs_icicle"
+
+config SYS_VENDOR
+	default "microchip"
+
+config SYS_CPU
+	default "generic"
+
+config SYS_CONFIG_NAME
+	default "microchip_mpfs_icicle"
+
+config SYS_TEXT_BASE
+	default 0x80000000 if !RISCV_SMODE
+	default 0x80200000 if RISCV_SMODE
+
+config BOARD_SPECIFIC_OPTIONS # dummy
+	def_bool y
+	select GENERIC_RISCV
+	select BOARD_EARLY_INIT_F
+	select BOARD_LATE_INIT
+	imply SMP
+	imply CLK_CCF
+	imply CLK_MPFS
+	imply SYS_NS16550
+	imply CMD_DHCP
+	imply CMD_EXT2
+	imply CMD_EXT4
+	imply CMD_FAT
+	imply CMD_FS_GENERIC
+	imply CMD_NET
+	imply CMD_PING
+	imply CMD_MMC
+	imply DOS_PARTITION
+	imply EFI_PARTITION
+	imply IP_DYN
+	imply ISO_PARTITION
+	imply MACB
+	imply MII
+	imply PHY_LIB
+	imply PHY_VITESSE
+	imply MMC
+	imply MMC_WRITE
+	imply MMC_SDHCI
+	imply MMC_SDHCI_CADENCE
+
+endif
diff --git a/roms/u-boot/board/microchip/mpfs_icicle/MAINTAINERS b/roms/u-boot/board/microchip/mpfs_icicle/MAINTAINERS
new file mode 100644
index 000000000..22f3b97d8
--- /dev/null
+++ b/roms/u-boot/board/microchip/mpfs_icicle/MAINTAINERS
@@ -0,0 +1,7 @@
+Microchip MPFS icicle
+M:	Padmarao Begari <padmarao.begari@microchip.com>
+M:	Cyril Jean <cyril.jean@microchip.com>
+S:	Maintained
+F:	board/microchip/mpfs_icicle/
+F:	include/configs/microchip_mpfs_icicle.h
+F:	configs/microchip_mpfs_icicle_defconfig
diff --git a/roms/u-boot/board/microchip/mpfs_icicle/Makefile b/roms/u-boot/board/microchip/mpfs_icicle/Makefile
new file mode 100644
index 000000000..72b0410dd
--- /dev/null
+++ b/roms/u-boot/board/microchip/mpfs_icicle/Makefile
@@ -0,0 +1,7 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2019 Microchip Technology Inc.
+# Padmarao Begari <padmarao.begari@microchip.com>
+#
+
+obj-y	+= mpfs_icicle.o
diff --git a/roms/u-boot/board/microchip/mpfs_icicle/mpfs_icicle.c b/roms/u-boot/board/microchip/mpfs_icicle/mpfs_icicle.c
new file mode 100644
index 000000000..afef719df
--- /dev/null
+++ b/roms/u-boot/board/microchip/mpfs_icicle/mpfs_icicle.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Microchip Technology Inc.
+ * Padmarao Begari <padmarao.begari@microchip.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <env.h>
+#include <init.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define MPFS_SYSREG_SOFT_RESET		((unsigned int *)0x20002088)
+#define MPFS_SYS_SERVICE_CR		((unsigned int *)0x37020050)
+#define MPFS_SYS_SERVICE_SR		((unsigned int *)0x37020054)
+#define MPFS_SYS_SERVICE_MAILBOX	((unsigned char *)0x37020800)
+
+#define PERIPH_RESET_VALUE		0x1e8u
+#define SERVICE_CR_REQ			0x1u
+#define SERVICE_SR_BUSY			0x2u
+
+static void read_device_serial_number(u8 *response, u8 response_size)
+{
+	u8 idx;
+	u8 *response_buf;
+	unsigned int val;
+
+	response_buf = (u8 *)response;
+
+	writel(SERVICE_CR_REQ, MPFS_SYS_SERVICE_CR);
+	/*
+	 * REQ bit will remain set till the system controller starts
+	 * processing.
+	 */
+	do {
+		val = readl(MPFS_SYS_SERVICE_CR);
+	} while (SERVICE_CR_REQ == (val & SERVICE_CR_REQ));
+
+	/*
+	 * Once system controller starts processing the busy bit will
+	 * go high and service is completed when busy bit is gone low
+	 */
+	do {
+		val = readl(MPFS_SYS_SERVICE_SR);
+	} while (SERVICE_SR_BUSY == (val & SERVICE_SR_BUSY));
+
+	for (idx = 0; idx < response_size; idx++)
+		response_buf[idx] = readb(MPFS_SYS_SERVICE_MAILBOX + idx);
+}
+
+int board_init(void)
+{
+	/* For now nothing to do here. */
+
+	return 0;
+}
+
+int board_early_init_f(void)
+{
+	unsigned int val;
+
+	/* Reset uart, mmc peripheral */
+	val = readl(MPFS_SYSREG_SOFT_RESET);
+	val = (val & ~(PERIPH_RESET_VALUE));
+	writel(val, MPFS_SYSREG_SOFT_RESET);
+
+	return 0;
+}
+
+int board_late_init(void)
+{
+	u32 ret;
+	u32 node;
+	u8 idx;
+	u8 device_serial_number[16] = { 0 };
+	unsigned char mac_addr[6];
+	char icicle_mac_addr[20];
+	void *blob = (void *)gd->fdt_blob;
+
+	node = fdt_path_offset(blob, "ethernet0");
+	if (node < 0) {
+		printf("No ethernet0 path offset\n");
+		return -ENODEV;
+	}
+
+	ret = fdtdec_get_byte_array(blob, node, "local-mac-address", mac_addr, 6);
+	if (ret) {
+		printf("No local-mac-address property\n");
+		return -EINVAL;
+	}
+
+	read_device_serial_number(device_serial_number, 16);
+
+	/* Update MAC address with device serial number */
+	mac_addr[0] = 0x00;
+	mac_addr[1] = 0x04;
+	mac_addr[2] = 0xA3;
+	mac_addr[3] = device_serial_number[2];
+	mac_addr[4] = device_serial_number[1];
+	mac_addr[5] = device_serial_number[0];
+
+	ret = fdt_setprop(blob, node, "local-mac-address", mac_addr, 6);
+	if (ret) {
+		printf("Error setting local-mac-address property\n");
+		return -ENODEV;
+	}
+
+	icicle_mac_addr[0] = '[';
+
+	sprintf(&icicle_mac_addr[1], "%pM", mac_addr);
+
+	icicle_mac_addr[18] = ']';
+	icicle_mac_addr[19] = '\0';
+
+	for (idx = 0; idx < 20; idx++) {
+		if (icicle_mac_addr[idx] == ':')
+			icicle_mac_addr[idx] = ' ';
+	}
+	env_set("icicle_mac_addr", icicle_mac_addr);
+
+	return 0;
+}