ARM: atmel: add sama5d3 Xplained board support

Add sama5d3 Xplained board support which use Atmel SAMA5D36 SoC.
Now it supports boot from NAND flash and SD/MMC card.
Features support:
  - NAND flash
  - SD/MMC card
  - Two USB hosts
  - Ethernet (one GMAC, one EMAC)

Signed-off-by: Bo Shen <voice.shen@atmel.com>
[reorder boards.cfg]
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>

1 files changed, 203 insertions, 0 deletions

diff --git a/include/configs/sama5d3_xplained.h b/include/configs/sama5d3_xplained.h
new file mode 100644
index 0000000..91cc7d8
--- /dev/null
+++ b/include/configs/sama5d3_xplained.h
@@ -0,0 +1,203 @@
+/*
+ * Configuration settings for the SAMA5D3 Xplained board.
+ *
+ * Copyright (C) 2014 Atmel Corporation
+ *		      Bo Shen <voice.shen@atmel.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/hardware.h>
+
+#define CONFIG_SYS_TEXT_BASE		0x26f00000
+
+/* ARM asynchronous clock */
+#define CONFIG_SYS_AT91_SLOW_CLOCK      32768
+#define CONFIG_SYS_AT91_MAIN_CLOCK      12000000 /* from 12 MHz crystal */
+#define CONFIG_SYS_HZ		        1000
+
+#define CONFIG_AT91FAMILY
+#define CONFIG_ARCH_CPU_INIT
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_BOARD_EARLY_INIT_F
+#define CONFIG_DISPLAY_CPUINFO
+
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_OF_LIBFDT		/* Device Tree support */
+
+/* general purpose I/O */
+#define CONFIG_AT91_GPIO
+
+/* serial console */
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE		ATMEL_BASE_DBGU
+#define CONFIG_USART_ID			ATMEL_ID_DBGU
+
+/*
+ * This needs to be defined for the OHCI code to work but it is defined as
+ * ATMEL_ID_UHPHS in the CPU specific header files.
+ */
+#define ATMEL_ID_UHP			ATMEL_ID_UHPHS
+
+/*
+ * Specify the clock enable bit in the PMC_SCER register.
+ */
+#define ATMEL_PMC_UHP			AT91SAM926x_PMC_UHP
+
+#define CONFIG_BOOTDELAY		3
+
+/*
+ * BOOTP options
+ */
+#define CONFIG_BOOTP_BOOTFILESIZE
+#define CONFIG_BOOTP_BOOTPATH
+#define CONFIG_BOOTP_GATEWAY
+#define CONFIG_BOOTP_HOSTNAME
+
+/* No NOR flash */
+#define CONFIG_SYS_NO_FLASH
+
+/*
+ * Command line configuration.
+ */
+#include <config_cmd_default.h>
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_IMI
+#undef CONFIG_CMD_LOADS
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_SDRAM_BASE           ATMEL_BASE_DDRCS
+#define CONFIG_SYS_SDRAM_SIZE		0x10000000
+
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
+
+/* NAND flash */
+#define CONFIG_CMD_NAND
+
+#ifdef CONFIG_CMD_NAND
+#define CONFIG_NAND_ATMEL
+#define CONFIG_SYS_MAX_NAND_DEVICE	1
+#define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
+/* our ALE is AD21 */
+#define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
+/* our CLE is AD22 */
+#define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+/* PMECC & PMERRLOC */
+#define CONFIG_ATMEL_NAND_HWECC
+#define CONFIG_ATMEL_NAND_HW_PMECC
+#define CONFIG_PMECC_CAP		4
+#define CONFIG_PMECC_SECTOR_SIZE	512
+#define CONFIG_CMD_NAND_TRIMFFS
+#define CONFIG_CMD_MTDPARTS
+
+#define CONFIG_MTD_DEVICE
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_RBTREE
+#define CONFIG_LZO
+#define CONFIG_CMD_UBI
+#define CONFIG_CMD_UBIFS
+#endif
+
+/* Ethernet Hardware */
+#define CONFIG_MACB
+#define CONFIG_RMII
+#define CONFIG_NET_MULTI
+#define CONFIG_NET_RETRY_COUNT		20
+#define CONFIG_MACB_SEARCH_PHY
+#define CONFIG_RGMII
+#define CONFIG_CMD_MII
+#define CONFIG_PHYLIB
+
+/* MMC */
+#define CONFIG_CMD_MMC
+
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_GENERIC_ATMEL_MCI
+#define CONFIG_ATMEL_MCI_8BIT
+#endif
+
+/* USB */
+#define CONFIG_CMD_USB
+
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_ATMEL
+#define CONFIG_USB_ATMEL_CLK_SEL_UPLL
+#define CONFIG_USB_OHCI_NEW
+#define CONFIG_SYS_USB_OHCI_CPU_INIT
+#define CONFIG_SYS_USB_OHCI_REGS_BASE		ATMEL_BASE_OHCI
+#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"SAMA5D3 Xplained"
+#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
+#define CONFIG_DOS_PARTITION
+#define CONFIG_USB_STORAGE
+#endif
+
+#if defined(CONFIG_CMD_USB) || defined(CONFIG_CMD_MMC)
+#define CONFIG_CMD_FAT
+#define CONFIG_FAT_WRITE
+#define CONFIG_CMD_EXT4
+#define CONFIG_CMD_EXT4_WRITE
+#endif
+
+#define CONFIG_SYS_LOAD_ADDR			0x22000000 /* load address */
+
+#if CONFIG_SYS_USE_NANDFLASH
+/* bootstrap + u-boot + env in nandflash */
+#define CONFIG_ENV_IS_IN_NAND
+#define CONFIG_ENV_OFFSET		0xc0000
+#define CONFIG_ENV_OFFSET_REDUND	0x100000
+#define CONFIG_ENV_SIZE			0x20000
+#define CONFIG_BOOTCOMMAND	"nand read 0x21000000 0x180000 0x80000;" \
+				"nand read 0x22000000 0x200000 0x600000;" \
+				"bootz 0x22000000 - 0x21000000"
+#elif CONFIG_SYS_USE_MMC
+/* bootstrap + u-boot + env in sd card */
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET	0x2000
+#define CONFIG_ENV_SIZE		0x1000
+#define CONFIG_BOOTCOMMAND	"fatload mmc 0:1 0x21000000 at91-sama5d3_xplained.dtb; " \
+				"fatload mmc 0:1 0x22000000 zImage; " \
+				"bootz 0x22000000 - 0x21000000"
+#define CONFIG_SYS_MMC_ENV_DEV	0
+#else
+#define CONFIG_ENV_IS_NOWHERE
+#endif
+
+#ifdef CONFIG_SYS_USE_MMC
+#define CONFIG_BOOTARGS							\
+	"console=ttyS0,115200 earlyprintk "				\
+	"root=/dev/mmcblk0p2 rw rootwait"
+#else
+#define CONFIG_BOOTARGS							\
+	"console=ttyS0,115200 earlyprintk "				\
+	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
+	"256K(env),256k(evn_redundent),256k(spare),"			\
+	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
+	"rootfstype=ubifs ubi.mtd=7 root=ubi0:rootfs"
+#endif
+
+#define CONFIG_BAUDRATE			115200
+
+#define CONFIG_SYS_PROMPT		"U-Boot> "
+#define CONFIG_SYS_CBSIZE		256
+#define CONFIG_SYS_MAXARGS		16
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_LONGHELP
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_SYS_HUSH_PARSER
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(4 * 1024 * 1024)
+
+#endif