arm: mvebu: Add Helios4 Armada 38x initial support

The helios4 is built on the SolidRun Armada 38x SOM.
The port os based on the ClearFog board, using information from
https://github.com/helios-4/u-boot-marvell as well as dtb input
from https://github.com/helios-4/linux-marvell

Signed-off-by: Dennis Gilmore <dennis@ausil.us>
Signed-off-by: Dennis Gilmore <dgilmore@redhat.com>
Signed-off-by: Stefan Roese <sr@denx.de>

1 files changed, 172 insertions, 0 deletions

diff --git a/include/configs/helios4.h b/include/configs/helios4.h
new file mode 100644
index 0000000000..ce912ea324
--- /dev/null
+++ b/include/configs/helios4.h
@@ -0,0 +1,172 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018 Dennis Gilmore <dgilmore@redhat.com>
+ */
+
+#ifndef _CONFIG_HELIOS4_H
+#define _CONFIG_HELIOS4_H
+
+/*
+ * High Level Configuration Options (easy to change)
+ */
+
+/*
+ * TEXT_BASE needs to be below 16MiB, since this area is scrubbed
+ * for DDR ECC byte filling in the SPL before loading the main
+ * U-Boot into it.
+ */
+#define CONFIG_SYS_TCLK		250000000	/* 250MHz */
+
+/*
+ * Commands configuration
+ */
+
+/* SPI NOR flash default params, used by sf commands */
+#define CONFIG_SF_DEFAULT_BUS		1
+
+/*
+ * SDIO/MMC Card Configuration
+ */
+#define CONFIG_SYS_MMC_BASE		MVEBU_SDIO_BASE
+
+/* USB/EHCI configuration */
+#define CONFIG_EHCI_IS_TDI
+
+#define CONFIG_ENV_MIN_ENTRIES		128
+
+/*
+ * SATA/SCSI/AHCI configuration
+ */
+#define CONFIG_SCSI_AHCI_PLAT
+#define CONFIG_SYS_SCSI_MAX_SCSI_ID     2
+#define CONFIG_SYS_SCSI_MAX_LUN         2
+#define CONFIG_SYS_SCSI_MAX_DEVICE      (CONFIG_SYS_SCSI_MAX_SCSI_ID * \
+					CONFIG_SYS_SCSI_MAX_LUN)
+
+/* Environment in MMC */
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_ENV_SECT_SIZE		0x200
+#define CONFIG_ENV_SIZE			0x10000
+/*
+ * For SD - reserve 1 LBA for MBR + 1M for u-boot image. The MMC/eMMC
+ * boot image starts @ LBA-0.
+ * As result in MMC/eMMC case it will be a 1 sector gap between u-boot
+ * image and environment
+ */
+#define CONFIG_ENV_OFFSET		0xf0000
+#define CONFIG_ENV_ADDR			CONFIG_ENV_OFFSET
+
+#define CONFIG_PHY_MARVELL		/* there is a marvell phy */
+#define PHY_ANEG_TIMEOUT	8000	/* PHY needs a longer aneg time */
+
+/* PCIe support */
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_PCI_MVEBU
+#define CONFIG_PCI_SCAN_SHOW
+#endif
+
+/* Keep device tree and initrd in lower memory so the kernel can access them */
+#define RELOCATION_LIMITS_ENV_SETTINGS	\
+	"fdt_high=0x10000000\0"		\
+	"initrd_high=0x10000000\0"
+
+/* SPL */
+/*
+ * Select the boot device here
+ *
+ * Currently supported are:
+ * SPL_BOOT_SPI_NOR_FLASH	- Booting via SPI NOR flash
+ * SPL_BOOT_SDIO_MMC_CARD	- Booting via SDIO/MMC card (partition 1)
+ */
+#define SPL_BOOT_SPI_NOR_FLASH		1
+#define SPL_BOOT_SDIO_MMC_CARD		2
+#define CONFIG_SPL_BOOT_DEVICE		SPL_BOOT_SDIO_MMC_CARD
+
+/* Defines for SPL */
+#define CONFIG_SPL_SIZE			(140 << 10)
+#define CONFIG_SPL_TEXT_BASE		0x40000030
+#define CONFIG_SPL_MAX_SIZE		(CONFIG_SPL_SIZE - 0x0030)
+
+#define CONFIG_SPL_BSS_START_ADDR	(0x40000000 + CONFIG_SPL_SIZE)
+#define CONFIG_SPL_BSS_MAX_SIZE		(16 << 10)
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_MALLOC_SIMPLE
+#endif
+
+#define CONFIG_SPL_STACK		(0x40000000 + ((192 - 16) << 10))
+#define CONFIG_SPL_BOOTROM_SAVE		(CONFIG_SPL_STACK + 4)
+
+#if CONFIG_SPL_BOOT_DEVICE == SPL_BOOT_SPI_NOR_FLASH
+/* SPL related SPI defines */
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
+#define CONFIG_SYS_U_BOOT_OFFS		CONFIG_SYS_SPI_U_BOOT_OFFS
+#endif
+
+#if CONFIG_SPL_BOOT_DEVICE == SPL_BOOT_SDIO_MMC_CARD
+/* SPL related MMC defines */
+#define CONFIG_SYS_MMC_U_BOOT_OFFS		(160 << 10)
+#define CONFIG_SYS_U_BOOT_OFFS			CONFIG_SYS_MMC_U_BOOT_OFFS
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_FIXED_SDHCI_ALIGNED_BUFFER	0x00180000	/* in SDRAM */
+#endif
+#endif
+/*
+ * mv-common.h should be defined after CMD configs since it used them
+ * to enable certain macros
+ */
+#include "mv-common.h"
+
+/* Include the common distro boot environment */
+#ifndef CONFIG_SPL_BUILD
+
+#ifdef CONFIG_MMC
+#define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
+#else
+#define BOOT_TARGET_DEVICES_MMC(func)
+#endif
+
+#ifdef CONFIG_USB_STORAGE
+#define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
+#else
+#define BOOT_TARGET_DEVICES_USB(func)
+#endif
+
+#ifdef CONFIG_SATA
+#define BOOT_TARGET_DEVICES_SATA(func) func(SATA, sata, 0)
+#else
+#define BOOT_TARGET_DEVICES_SATA(func)
+#endif
+
+#define BOOT_TARGET_DEVICES(func) \
+	BOOT_TARGET_DEVICES_MMC(func) \
+	BOOT_TARGET_DEVICES_USB(func) \
+	BOOT_TARGET_DEVICES_SATA(func) \
+	func(PXE, pxe, na) \
+	func(DHCP, dhcp, na)
+
+#define KERNEL_ADDR_R	__stringify(0x800000)
+#define FDT_ADDR_R	__stringify(0x100000)
+#define RAMDISK_ADDR_R	__stringify(0x1800000)
+#define SCRIPT_ADDR_R	__stringify(0x200000)
+#define PXEFILE_ADDR_R	__stringify(0x300000)
+
+#define LOAD_ADDRESS_ENV_SETTINGS \
+	"kernel_addr_r=" KERNEL_ADDR_R "\0" \
+	"fdt_addr_r=" FDT_ADDR_R "\0" \
+	"ramdisk_addr_r=" RAMDISK_ADDR_R "\0" \
+	"scriptaddr=" SCRIPT_ADDR_R "\0" \
+	"pxefile_addr_r=" PXEFILE_ADDR_R "\0"
+
+#include <config_distro_bootcmd.h>
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	RELOCATION_LIMITS_ENV_SETTINGS \
+	LOAD_ADDRESS_ENV_SETTINGS \
+	"fdtfile=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0" \
+	"console=ttyS0,115200\0" \
+	BOOTENV
+
+#endif /* CONFIG_SPL_BUILD */
+
+#endif /* _CONFIG_HELIOS4_H */