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>

4 files changed, 350 insertions, 0 deletions

diff --git a/board/atmel/sama5d3_xplained/Makefile b/board/atmel/sama5d3_xplained/Makefile
new file mode 100644
index 0000000..ec82b06
--- /dev/null
+++ b/board/atmel/sama5d3_xplained/Makefile
@@ -0,0 +1,15 @@
+#
+# (C) Copyright 2003-2008
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2008
+# Stelian Pop <stelian@popies.net>
+# Lead Tech Design <www.leadtechdesign.com>
+#
+# (C) Copyright 2014
+# Bo Shen <voice.shen@atmel.com>
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y += sama5d3_xplained.o
diff --git a/board/atmel/sama5d3_xplained/sama5d3_xplained.c b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
new file mode 100644
index 0000000..39f2dc6
--- /dev/null
+++ b/board/atmel/sama5d3_xplained/sama5d3_xplained.c
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2014 Atmel Corporation
+ *		      Bo Shen <voice.shen@atmel.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <mmc.h>
+#include <asm/io.h>
+#include <asm/arch/sama5d3_smc.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/at91_rstc.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/clk.h>
+#include <atmel_mci.h>
+#include <net.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_NAND_ATMEL
+void sama5d3_xplained_nand_hw_init(void)
+{
+	struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC;
+
+	at91_periph_clk_enable(ATMEL_ID_SMC);
+
+	/* Configure SMC CS3 for NAND/SmartMedia */
+	writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) |
+	       AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1),
+	       &smc->cs[3].setup);
+	writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) |
+	       AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5),
+	       &smc->cs[3].pulse);
+	writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8),
+	       &smc->cs[3].cycle);
+	writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) |
+	       AT91_SMC_TIMINGS_TAR(3)  | AT91_SMC_TIMINGS_TRR(4)   |
+	       AT91_SMC_TIMINGS_TWB(5)  | AT91_SMC_TIMINGS_RBNSEL(3)|
+	       AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings);
+	writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE |
+	       AT91_SMC_MODE_EXNW_DISABLE |
+#ifdef CONFIG_SYS_NAND_DBW_16
+	       AT91_SMC_MODE_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+	       AT91_SMC_MODE_DBW_8 |
+#endif
+	       AT91_SMC_MODE_TDF_CYCLE(3),
+	       &smc->cs[3].mode);
+}
+#endif
+
+#ifdef CONFIG_CMD_USB
+static void sama5d3_xplained_usb_hw_init(void)
+{
+	at91_set_pio_output(AT91_PIO_PORTE, 3, 0);
+	at91_set_pio_output(AT91_PIO_PORTE, 4, 0);
+}
+#endif
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+static void sama5d3_xplained_mci0_hw_init(void)
+{
+	at91_mci_hw_init();
+
+	at91_set_pio_output(AT91_PIO_PORTE, 2, 0);	/* MCI0 Power */
+}
+#endif
+
+int board_early_init_f(void)
+{
+	at91_periph_clk_enable(ATMEL_ID_PIOA);
+	at91_periph_clk_enable(ATMEL_ID_PIOB);
+	at91_periph_clk_enable(ATMEL_ID_PIOC);
+	at91_periph_clk_enable(ATMEL_ID_PIOD);
+	at91_periph_clk_enable(ATMEL_ID_PIOE);
+
+	at91_seriald_hw_init();
+
+	return 0;
+}
+
+int board_init(void)
+{
+	/* adress of boot parameters */
+	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_NAND_ATMEL
+	sama5d3_xplained_nand_hw_init();
+#endif
+#ifdef CONFIG_CMD_USB
+	sama5d3_xplained_usb_hw_init();
+#endif
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+	sama5d3_xplained_mci0_hw_init();
+#endif
+#ifdef CONFIG_MACB
+	at91_gmac_hw_init();
+	at91_macb_hw_init();
+#endif
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
+				    CONFIG_SYS_SDRAM_SIZE);
+
+	return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_MACB
+	macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00);
+	macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00);
+#endif
+	return 0;
+}
+
+#ifdef CONFIG_GENERIC_ATMEL_MCI
+int board_mmc_init(bd_t *bis)
+{
+	atmel_mci_init((void *)ATMEL_BASE_MCI0);
+
+	return 0;
+}
+#endif
diff --git a/boards.cfg b/boards.cfg
index d28e09b..e8d7e0f 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -278,6 +278,8 @@ Active  arm         armv7          am33xx      ti              am335x
 Active  arm         armv7          am33xx      ti              am43xx              am43xx_evm                           am43xx_evm:SERIAL1,CONS_INDEX=1                                                                                                   Lokesh Vutla <lokeshvutla@ti.com>
 Active  arm         armv7          am33xx      ti              ti814x              ti814x_evm                           -                                                                                                                                 Matt Porter <matt.porter@linaro.org>
 Active  arm         armv7          am33xx      ti              ti816x              ti816x_evm                           -                                                                                                                                 -
+Active  arm         armv7          at91        atmel           sama5d3_xplained    sama5d3_xplained_mmc                 sama5d3_xplained:SAMA5D3,SYS_USE_MMC                                                                                              Bo Shen <voice.shen@atmel.com>
+Active  arm         armv7          at91        atmel           sama5d3_xplained    sama5d3_xplained_nandflash           sama5d3_xplained:SAMA5D3,SYS_USE_NANDFLASH                                                                                        Bo Shen <voice.shen@atmel.com>
 Active  arm         armv7          at91        atmel           sama5d3xek          sama5d3xek_mmc                       sama5d3xek:SAMA5D3,SYS_USE_MMC                                                                                                    Bo Shen <voice.shen@atmel.com>
 Active  arm         armv7          at91        atmel           sama5d3xek          sama5d3xek_nandflash                 sama5d3xek:SAMA5D3,SYS_USE_NANDFLASH                                                                                              Bo Shen <voice.shen@atmel.com>
 Active  arm         armv7          at91        atmel           sama5d3xek          sama5d3xek_spiflash                  sama5d3xek:SAMA5D3,SYS_USE_SERIALFLASH                                                                                            Bo Shen <voice.shen@atmel.com>
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