The board supports following features:
- Boot media support: SD card/e.MMC/SPI flash,
- Support LCD display (optional, disabled by default),
- Support ethernet,
- Support USB mass storage.
Signed-off-by: Wenyou Yang <wenyou.y...@atmel.com>
---
The patch is based on the following patches sent in mailing list.
[PATCH] gpio: atmel: Add the PIO4 driver support
[PATCH] arm: at91: Change the Chip ID registers' addresses
[PATCH v2] mmc: atmel: Add atmel sdhci support
arch/arm/mach-at91/Kconfig | 5 +
arch/arm/mach-at91/armv7/Makefile | 1 +
arch/arm/mach-at91/armv7/sama5d2_devices.c | 59 +++++
arch/arm/mach-at91/include/mach/at91_pmc.h | 7 +-
arch/arm/mach-at91/include/mach/atmel_usba_udc.h | 3 +-
arch/arm/mach-at91/include/mach/hardware.h | 2 +
arch/arm/mach-at91/include/mach/sama5d2.h | 228 +++++++++++++++++
board/atmel/sama5d2_xplained/Kconfig | 15 ++
board/atmel/sama5d2_xplained/MAINTAINERS | 7 +
board/atmel/sama5d2_xplained/Makefile | 8 +
board/atmel/sama5d2_xplained/sama5d2_xplained.c | 294 ++++++++++++++++++++++
configs/sama5d2_xplained_mmc_defconfig | 10 +
configs/sama5d2_xplained_spiflash_defconfig | 10 +
include/configs/sama5d2_xplained.h | 192 ++++++++++++++
14 files changed, 836 insertions(+), 5 deletions(-)
create mode 100644 arch/arm/mach-at91/armv7/sama5d2_devices.c
create mode 100644 arch/arm/mach-at91/include/mach/sama5d2.h
create mode 100644 board/atmel/sama5d2_xplained/Kconfig
create mode 100644 board/atmel/sama5d2_xplained/MAINTAINERS
create mode 100644 board/atmel/sama5d2_xplained/Makefile
create mode 100644 board/atmel/sama5d2_xplained/sama5d2_xplained.c
create mode 100644 configs/sama5d2_xplained_mmc_defconfig
create mode 100644 configs/sama5d2_xplained_spiflash_defconfig
create mode 100644 include/configs/sama5d2_xplained.h
diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index fdaf328..c333647 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -71,6 +71,10 @@ config TARGET_AT91SAM9X5EK
select CPU_ARM926EJS
select SUPPORT_SPL
+config TARGET_SAMA5D2_XPLAINED
+ bool "SAMA5D2 Xplained board"
+ select CPU_V7
+
config TARGET_SAMA5D3_XPLAINED
bool "SAMA5D3 Xplained board"
select CPU_V7
@@ -123,6 +127,7 @@ source "board/atmel/at91sam9m10g45ek/Kconfig"
source "board/atmel/at91sam9n12ek/Kconfig"
source "board/atmel/at91sam9rlek/Kconfig"
source "board/atmel/at91sam9x5ek/Kconfig"
+source "board/atmel/sama5d2_xplained/Kconfig"
source "board/atmel/sama5d3_xplained/Kconfig"
source "board/atmel/sama5d3xek/Kconfig"
source "board/atmel/sama5d4_xplained/Kconfig"
diff --git a/arch/arm/mach-at91/armv7/Makefile
b/arch/arm/mach-at91/armv7/Makefile
index f4f35a4..de4a1e0 100644
--- a/arch/arm/mach-at91/armv7/Makefile
+++ b/arch/arm/mach-at91/armv7/Makefile
@@ -10,6 +10,7 @@
obj-$(CONFIG_SAMA5D3) += sama5d3_devices.o
obj-$(CONFIG_SAMA5D4) += sama5d4_devices.o
+obj-$(CONFIG_SAMA5D2) += sama5d2_devices.o
obj-y += clock.o
obj-y += cpu.o
obj-y += reset.o
diff --git a/arch/arm/mach-at91/armv7/sama5d2_devices.c
b/arch/arm/mach-at91/armv7/sama5d2_devices.c
new file mode 100644
index 0000000..11e0fed
--- /dev/null
+++ b/arch/arm/mach-at91/armv7/sama5d2_devices.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2015 Atmel Corporation
+ * Wenyou Yang <wenyou.y...@atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/sama5d2.h>
+
+char *get_cpu_name()
+{
+ unsigned int extension_id = get_extension_chip_id();
+
+ if (cpu_is_sama5d2()) {
+ switch (extension_id) {
+ case ARCH_EXID_SAMA5D21CU:
+ return "SAMA5D21";
+ case ARCH_EXID_SAMA5D22CU:
+ return "SAMA5D22-CU";
+ case ARCH_EXID_SAMA5D22CN:
+ return "SAMA5D22-CN";
+ case ARCH_EXID_SAMA5D23CU:
+ return "SAMA5D23-CU";
+ case ARCH_EXID_SAMA5D24CX:
+ return "SAMA5D24-CX";
+ case ARCH_EXID_SAMA5D24CU:
+ return "SAMA5D24-CU";
+ case ARCH_EXID_SAMA5D26CU:
+ return "SAMA5D26-CU";
+ case ARCH_EXID_SAMA5D27CU:
+ return "SAMA5D27-CU";
+ case ARCH_EXID_SAMA5D27CN:
+ return "SAMA5D27-CN";
+ case ARCH_EXID_SAMA5D28CU:
+ return "SAMA5D28-CU";
+ case ARCH_EXID_SAMA5D28CN:
+ return "SAMA5D28-CN";
+ default:
+ return "Unknown CPU type";
+ }
+ } else {
+ return "Unknown CPU type";
+ }
+}
+
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+void at91_udp_hw_init(void)
+{
+ struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
+
+ writel(AT91_PMC_UPLLEN | AT91_PMC_BIASEN, &pmc->uckr);
+
+ at91_periph_clk_enable(ATMEL_ID_UDPHS);
+}
+#endif
diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h
b/arch/arm/mach-at91/include/mach/at91_pmc.h
index 8a3fb94..4b2b1ac 100644
--- a/arch/arm/mach-at91/include/mach/at91_pmc.h
+++ b/arch/arm/mach-at91/include/mach/at91_pmc.h
@@ -78,7 +78,8 @@ typedef struct at91_pmc {
#define AT91_PMC_PLLXR_DIV(x) (x & 0xFF)
#define AT91_PMC_PLLXR_PLLCOUNT(x) ((x & 0x3F) << 8)
#define AT91_PMC_PLLXR_OUT(x) ((x & 0x03) << 14)
-#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
+#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
+ defined(CONFIG_SAMA5D2)
#define AT91_PMC_PLLXR_MUL(x) ((x & 0x7F) << 18)
#else
#define AT91_PMC_PLLXR_MUL(x) ((x & 0x7FF) << 16)
@@ -98,6 +99,7 @@ typedef struct at91_pmc {
#define AT91_PMC_MCKR_CSS_MASK 0x00000003
#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
+ defined(CONFIG_SAMA5D2) || \
defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
#define AT91_PMC_MCKR_PRES_1 0x00000000
#define AT91_PMC_MCKR_PRES_2 0x00000010
@@ -127,10 +129,7 @@ typedef struct at91_pmc {
#else
#define AT91_PMC_MCKR_MDIV_1 0x00000000
#define AT91_PMC_MCKR_MDIV_2 0x00000100
-#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
- defined(CONFIG_AT91SAM9X5) || defined(CONFIG_AT91SAM9N12)
#define AT91_PMC_MCKR_MDIV_3 0x00000300
-#endif
#define AT91_PMC_MCKR_MDIV_4 0x00000200
#define AT91_PMC_MCKR_MDIV_MASK 0x00000300
#endif
diff --git a/arch/arm/mach-at91/include/mach/atmel_usba_udc.h
b/arch/arm/mach-at91/include/mach/atmel_usba_udc.h
index 38b5012..ae564fa 100644
--- a/arch/arm/mach-at91/include/mach/atmel_usba_udc.h
+++ b/arch/arm/mach-at91/include/mach/atmel_usba_udc.h
@@ -31,7 +31,8 @@ static struct usba_ep_data usba_udc_ep[] = {
EP("ep5", 5, 1024, 3, 1, 1),
EP("ep6", 6, 1024, 3, 1, 1),
};
-#elif defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4)
+#elif defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
+ defined(CONFIG_SAMA5D2)
static struct usba_ep_data usba_udc_ep[] = {
EP("ep0", 0, 64, 1, 0, 0),
EP("ep1", 1, 1024, 3, 1, 0),
diff --git a/arch/arm/mach-at91/include/mach/hardware.h
b/arch/arm/mach-at91/include/mach/hardware.h
index ff6b71b..0c0e8af 100644
--- a/arch/arm/mach-at91/include/mach/hardware.h
+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -27,6 +27,8 @@
# include <asm/arch/sama5d3.h>
#elif defined(CONFIG_SAMA5D4)
# include <asm/arch/sama5d4.h>
+#elif defined(CONFIG_SAMA5D2)
+# include <asm/arch/sama5d2.h>
#else
# error "Unsupported AT91 processor"
#endif
diff --git a/arch/arm/mach-at91/include/mach/sama5d2.h
b/arch/arm/mach-at91/include/mach/sama5d2.h
new file mode 100644
index 0000000..3dc39df
--- /dev/null
+++ b/arch/arm/mach-at91/include/mach/sama5d2.h
@@ -0,0 +1,228 @@
+/*
+ * Chip-specific header file for the SAMA5D2 SoC
+ *
+ * Copyright (C) 2015 Atmel
+ * Wenyou Yang <wenyou.y...@atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __SAMA5D2_H
+#define __SAMA5D2_H
+
+/*
+ * defines to be used in other places
+ */
+#define CONFIG_AT91FAMILY /* It's a member of AT91 */
+
+/*
+ * Peripheral identifiers/interrupts.
+ */
+#define ATMEL_ID_FIQ 0 /* FIQ Interrupt ID */
+/* 1 */
+#define ATMEL_ID_ARM 2 /* Performance Monitor Unit */
+#define ATMEL_ID_PIT 3 /* Periodic Interval Timer Interrupt */
+#define ATMEL_ID_WDT 4 /* Watchdog Timer Interrupt */
+#define ATMEL_ID_GMAC 5 /* Ethernet MAC */
+#define ATMEL_ID_XDMAC0 6 /* DMA Controller 0 */
+#define ATMEL_ID_XDMAC1 7 /* DMA Controller 1 */
+#define ATMEL_ID_ICM 8 /* Integrity Check Monitor */
+#define ATMEL_ID_AES 9 /* Advanced Encryption Standard */
+#define ATMEL_ID_AESB 10 /* AES bridge */
+#define ATMEL_ID_TDES 11 /* Triple Data Encryption Standard */
+#define ATMEL_ID_SHA 12 /* SHA Signature */
+#define ATMEL_ID_MPDDRC 13 /* MPDDR Controller */
+#define ATMEL_ID_MATRIX1 14 /* H32MX, 32-bit AHB Matrix */
+#define ATMEL_ID_MATRIX0 15 /* H64MX, 64-bit AHB Matrix */
+#define ATMEL_ID_SECUMOD 16 /* Secure Module */
+#define ATMEL_ID_HSMC 17 /* Multi-bit ECC interrupt */
+#define ATMEL_ID_PIOA 18 /* Parallel I/O Controller A */
+#define ATMEL_ID_FLEXCOM0 19 /* FLEXCOM0 */
+#define ATMEL_ID_FLEXCOM1 20 /* FLEXCOM1 */
+#define ATMEL_ID_FLEXCOM2 21 /* FLEXCOM2 */
+#define ATMEL_ID_FLEXCOM3 22 /* FLEXCOM3 */
+#define ATMEL_ID_FLEXCOM4 23 /* FLEXCOM4 */
+#define ATMEL_ID_UART0 24 /* UART0 */
+#define ATMEL_ID_UART1 25 /* UART1 */
+#define ATMEL_ID_UART2 26 /* UART2 */
+#define ATMEL_ID_UART3 27 /* UART3 */
+#define ATMEL_ID_UART4 28 /* UART4 */
+#define ATMEL_ID_TWIHS0 29 /* Two-wire Interface 0 */
+#define ATMEL_ID_TWIHS1 30 /* Two-wire Interface 1 */
+#define ATMEL_ID_SDHCI0 31 /* SDMMC Controller 0 */
+#define ATMEL_ID_SDHCI1 32 /* SDMCC Controller 1 */
+#define ATMEL_ID_SPI0 33 /* Serial Peripheral Interface 0 */
+#define ATMEL_ID_SPI1 34 /* Serial Peripheral Interface 1 */
+#define ATMEL_ID_TC0 35 /* Timer Counter 0 (ch.0,1,2) */
+#define ATMEL_ID_TC1 36 /* Timer Counter 1 (ch.3,4,5) */
+/* 37 */
+#define ATMEL_ID_PWM 38 /* PWMController0 (ch. 0,1,2,3) */
+/* 39 */
+#define ATMEL_ID_ADC 40 /* Touch Screen ADC Controller */
+#define ATMEL_ID_UHPHS 41 /* USB Host High Speed */
+#define ATMEL_ID_UDPHS 42 /* USB Device High Speed */
+#define ATMEL_ID_SSC0 43 /* Serial Synchronous Controller 0 */
+#define ATMEL_ID_SSC1 44 /* Serial Synchronous Controller 1 */
+#define ATMEL_ID_LCDC 45 /* LCD Controller */
+#define ATMEL_ID_ISI 46 /* Image Sensor Interface */
+#define ATMEL_ID_TRNG 47 /* True Random Number Generator */
+#define ATMEL_ID_PDMIC 48 /* PDM Interface Controller */
+#define ATMEL_ID_IRQ 49 /* IRQ Interrupt ID */
+#define ATMEL_ID_SFC 50 /* Fuse Controller */
+#define ATMEL_ID_SECURAM 51 /* Secure RAM */
+#define ATMEL_ID_QSPI0 52 /* QSPI0 */
+#define ATMEL_ID_QSPI1 53 /* QSPI1 */
+#define ATMEL_ID_I2SC0 54 /* Inter-IC Sound Controller 0 */
+#define ATMEL_ID_I2SC1 55 /* Inter-IC Sound Controller 1 */
+#define ATMEL_ID_CAN0_INT0 56 /* MCAN 0 Interrupt0 */
+#define ATMEL_ID_CAN1_INT0 57 /* MCAN 1 Interrupt0 */
+#define ATMEL_ID_PTC 58 /* Peripheral Touch Controller */
+#define ATMEL_ID_CLASSD 59 /* Audio Class D Amplifier */
+#define ATMEL_ID_SFR 60 /* Special Function Register */
+#define ATMEL_ID_SAIC 61 /* Secured AIC */
+#define ATMEL_ID_AIC 62 /* Advanced Interrupt Controller */
+#define ATMEL_ID_L2CC 63 /* L2 Cache Controller */
+#define ATMEL_ID_CAN0_INT1 64 /* MCAN 0 Interrupt1 */
+#define ATMEL_ID_CAN1_INT1 65 /* MCAN 1 Interrupt1 */
+#define ATMEL_ID_GMAC_Q1 66 /* GMAC Queue 1 Interrupt */
+#define ATMEL_ID_GMAC_Q2 67 /* GMAC Queue 2 Interrupt */
+#define ATMEL_ID_PIOB 68 /* Parallel I/O Controller B */
+#define ATMEL_ID_PIOC 69 /* Parallel I/O Controller C */
+#define ATMEL_ID_PIOD 70 /* Parallel I/O Controller D */
+#define ATMEL_ID_SDHCI0_TIMER 71 /* SDMCC Controller 0 */
+#define ATMEL_ID_SDHCI1_TIMER 72 /* SDMCC Controller 1 */
+/* 73 */
+#define ATMEL_ID_SYS 74 /* System Controller Interrupt */
+#define ATMEL_ID_ACC 75 /* Analog Comparator */
+#define ATMEL_ID_RXLP 76 /* UART Low-Power */
+#define ATMEL_ID_SFRBU 77 /* Special Function Register BackUp */
+#define ATMEL_ID_CHIPID 78 /* Chip ID */
+
+/*
+ * User Peripherals physical base addresses.
+ */
+#define ATMEL_BASE_LCDC 0xf0000000
+#define ATMEL_BASE_XDMAC1 0xf0004000
+#define ATMEL_BASE_MPDDRC 0xf000c000
+#define ATMEL_BASE_XDMAC0 0xf0010000
+#define ATMEL_BASE_PMC 0xf0014000
+#define ATMEL_BASE_QSPI0 0xf0020000
+#define ATMEL_BASE_QSPI1 0xf0024000
+#define ATMEL_BASE_SPI0 0xf8000000
+#define ATMEL_BASE_GMAC 0xf8008000
+#define ATMEL_BASE_TC0 0xf800c000
+#define ATMEL_BASE_TC1 0xf8010000
+#define ATMEL_BASE_UART0 0xf801c000
+#define ATMEL_BASE_UART1 0xf8020000
+#define ATMEL_BASE_UART2 0xf8024000
+#define ATMEL_BASE_TWI0 0xf8028000
+#define ATMEL_BASE_SYSC 0xf8048000
+#define ATMEL_BASE_SPI1 0xfc000000
+#define ATMEL_BASE_UART3 0xfc008000
+#define ATMEL_BASE_UART4 0xfc00c000
+#define ATMEL_BASE_TWI1 0xfc028000
+#define ATMEL_BASE_UDPHS 0xfc02c000
+
+#define ATMEL_BASE_PIOA 0xfc038000
+
+#define ATMEL_CHIPID_CIDR 0xfc069000
+#define ATMEL_CHIPID_EXID 0xfc069004
+
+/*
+ * Address Memory Space
+ */
+#define ATMEL_BASE_DDRCS 0x20000000
+#define ATMEL_BASE_QSPI0_AES_MEM 0x90000000
+#define ATMEL_BASE_QSPI1_AES_MEM 0x98000000
+#define ATMEL_BASE_SDHCI0 0xa0000000
+#define ATMEL_BASE_SDHCI1 0xb0000000
+#define ATMEL_BASE_QSPI0_MEM 0xd0000000
+#define ATMEL_BASE_QSPI1_MEM 0xd8000000
+
+/*
+ * Internal Memories
+ */
+#define ATMEL_BASE_UDPHS_FIFO 0x00300000 /* USB Device HS controller */
+#define ATMEL_BASE_OHCI 0x00400000 /* USB Host controller
(OHCI) */
+#define ATMEL_BASE_EHCI 0x00500000 /* USB Host controller
(EHCI) */
+
+/* Other misc defines */
+#define ATMEL_BASE_PMECC (ATMEL_BASE_HSMC + 0x70)
+#define ATMEL_BASE_PMERRLOC (ATMEL_BASE_HSMC + 0x500)
+
+#define AT91_PMECC (ATMEL_BASE_PMECC - ATMEL_BASE_SYS)
+#define AT91_PMERRLOC (ATMEL_BASE_PMERRLOC - ATMEL_BASE_SYS)
+
+#define ATMEL_BASE_PIOB (ATMEL_BASE_PIOA + 0x40)
+#define ATMEL_BASE_PIOC (ATMEL_BASE_PIOB + 0x40)
+#define ATMEL_BASE_PIOD (ATMEL_BASE_PIOC + 0x40)
+
+/* SYSC spawns */
+#define ATMEL_BASE_RSTC ATMEL_BASE_SYSC
+#define ATMEL_BASE_SHDC (ATMEL_BASE_SYSC + 0x10)
+#define ATMEL_BASE_PIT (ATMEL_BASE_SYSC + 0x30)
+#define ATMEL_BASE_WDT (ATMEL_BASE_SYSC + 0x40)
+#define ATMEL_SYS_SCKCR (ATMEL_BASE_SYSC + 0x50)
+#define ATMEL_BASE_RTCC (ATMEL_BASE_SYSC + 0xb0)
+
+#define ATMEL_BASE_SMC (ATMEL_BASE_HSMC + 0x600)
+
+/*
+ * Other misc defines
+ */
+#define ATMEL_PIO_PORTS 4
+#define CPU_HAS_PCR
+#define CPU_HAS_H32MXDIV
+
+/* SAMA5D2 series chip id definitions */
+#define ARCH_ID_SAMA5D2 0x8a5c08c0
+#define ARCH_EXID_SAMA5D21CU 0x0000005a
+#define ARCH_EXID_SAMA5D22CU 0x00000059
+#define ARCH_EXID_SAMA5D22CN 0x00000069
+#define ARCH_EXID_SAMA5D23CU 0x00000058
+#define ARCH_EXID_SAMA5D24CX 0x00000004
+#define ARCH_EXID_SAMA5D24CU 0x00000014
+#define ARCH_EXID_SAMA5D26CU 0x00000012
+#define ARCH_EXID_SAMA5D27CU 0x00000011
+#define ARCH_EXID_SAMA5D27CN 0x00000021
+#define ARCH_EXID_SAMA5D28CU 0x00000010
+#define ARCH_EXID_SAMA5D28CN 0x00000020
+
+#define cpu_is_sama5d2() (get_chip_id() == ARCH_ID_SAMA5D2)
+#define cpu_is_sama5d21cu() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D21CU))
+#define cpu_is_sama5d22cu() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D22CU))
+#define cpu_is_sama5d22cn() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D22CN))
+#define cpu_is_sama5d23cu() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D23CU))
+#define cpu_is_sama5d24cx() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D24CX))
+#define cpu_is_sama5d24cu() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D24CU))
+#define cpu_is_sama5d26cu() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D26CU))
+#define cpu_is_sama5d27cu() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D27CU))
+#define cpu_is_sama5d27cn() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D27CN))
+#define cpu_is_sama5d28cu() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D28CU))
+#define cpu_is_sama5d28cn() (cpu_is_sama5d2() && \
+ (get_extension_chip_id() == ARCH_EXID_SAMA5D28CN))
+
+/* PIT Timer(PIT_PIIR) */
+#define CONFIG_SYS_TIMER_COUNTER 0xf804803c
+
+/* No PMECC Galois table in ROM */
+#define NO_GALOIS_TABLE_IN_ROM
+
+#ifndef __ASSEMBLY__
+unsigned int get_chip_id(void);
+unsigned int get_extension_chip_id(void);
+unsigned int has_lcdc(void);
+char *get_cpu_name(void);
+#endif
+
+#endif
diff --git a/board/atmel/sama5d2_xplained/Kconfig
b/board/atmel/sama5d2_xplained/Kconfig
new file mode 100644
index 0000000..55712e9
--- /dev/null
+++ b/board/atmel/sama5d2_xplained/Kconfig
@@ -0,0 +1,15 @@
+if TARGET_SAMA5D2_XPLAINED
+
+config SYS_BOARD
+ default "sama5d2_xplained"
+
+config SYS_VENDOR
+ default "atmel"
+
+config SYS_SOC
+ default "at91"
+
+config SYS_CONFIG_NAME
+ default "sama5d2_xplained"
+
+endif
diff --git a/board/atmel/sama5d2_xplained/MAINTAINERS
b/board/atmel/sama5d2_xplained/MAINTAINERS
new file mode 100644
index 0000000..ff9c86f
--- /dev/null
+++ b/board/atmel/sama5d2_xplained/MAINTAINERS
@@ -0,0 +1,7 @@
+SAMA5D2 XPLAINED BOARD
+M: Wenyou Yang <wenyou.y...@atmel.com>
+S: Maintained
+F: board/atmel/sama5d2_xplained/
+F: include/configs/sama5d2_xplained.h
+F: configs/sama5d2_xplained_mmc_defconfig
+F: configs/sama5d2_xplained_spiflash_defconfig
diff --git a/board/atmel/sama5d2_xplained/Makefile
b/board/atmel/sama5d2_xplained/Makefile
new file mode 100644
index 0000000..420870b
--- /dev/null
+++ b/board/atmel/sama5d2_xplained/Makefile
@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2015 Atmel Corporation
+# Wenyou Yang <wenyou.y...@atmel.com>
+#
+# SPDX-License-Identifier: GPL-2.0+
+#
+
+obj-y += sama5d2_xplained.o
diff --git a/board/atmel/sama5d2_xplained/sama5d2_xplained.c
b/board/atmel/sama5d2_xplained/sama5d2_xplained.c
new file mode 100644
index 0000000..879c6cc
--- /dev/null
+++ b/board/atmel/sama5d2_xplained/sama5d2_xplained.c
@@ -0,0 +1,294 @@
+/*
+ * Copyright (C) 2015 Atmel Corporation
+ * Wenyou.Yang <wenyou.y...@atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <atmel_hlcdc.h>
+#include <lcd.h>
+#include <mmc.h>
+#include <net.h>
+#include <netdev.h>
+#include <spi.h>
+#include <version.h>
+#include <asm/io.h>
+#include <asm/arch/at91_common.h>
+#include <asm/arch/at91_pmc.h>
+#include <asm/arch/atmel_pio4.h>
+#include <asm/arch/atmel_usba_udc.h>
+#include <asm/arch/atmel_sdhci.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/sama5d2.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#ifdef CONFIG_ATMEL_SPI
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+ return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+ atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+ atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1);
+}
+
+static void board_spi0_hw_init(void)
+{
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 14, 0);
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 15, 0);
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 16, 0);
+
+ atmel_pio4_set_pio_output(AT91_PIO_PORTA, 17, 1);
+
+ at91_periph_clk_enable(ATMEL_ID_SPI0);
+}
+#endif
+
+#ifdef CONFIG_CMD_USB
+static void board_usb_hw_init(void)
+{
+ atmel_pio4_set_pio_output(AT91_PIO_PORTB, 9, 1);
+ atmel_pio4_set_pio_output(AT91_PIO_PORTB, 10, 1);
+}
+#endif
+
+#ifdef CONFIG_LCD
+vidinfo_t panel_info = {
+ .vl_col = 480,
+ .vl_row = 272,
+ .vl_clk = 9000000,
+ .vl_bpix = LCD_BPP,
+ .vl_tft = 1,
+ .vl_hsync_len = 41,
+ .vl_left_margin = 2,
+ .vl_right_margin = 2,
+ .vl_vsync_len = 11,
+ .vl_upper_margin = 2,
+ .vl_lower_margin = 2,
+ .mmio = ATMEL_BASE_LCDC,
+};
+
+/* No power up/down pin for the LCD pannel */
+void lcd_enable(void) { /* Empty! */ }
+void lcd_disable(void) { /* Empty! */ }
+
+unsigned int has_lcdc(void)
+{
+ return 1;
+}
+
+static void board_lcd_hw_init(void)
+{
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 28, 0); /* LCDPWM */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 29, 0); /* LCDDISP */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 30, 0); /* LCDVSYNC */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 31, 0); /* LCDHSYNC */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 0, 0); /* LCDPCK */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 1, 0); /* LCDDEN */
+
+ /* LCDDAT0 */
+ /* LCDDAT1 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDDAT2 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDDAT3 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 12, 0); /* LCDDAT4 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 13, 0); /* LCDDAT5 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDDAT6 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDDAT7 */
+
+ /* LCDDAT8 */
+ /* LCDDAT9 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDDAT10 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 17, 0); /* LCDDAT11 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDDAT12 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDDAT13 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 20, 0); /* LCDDAT14 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 21, 0); /* LCDDAT15 */
+
+ /* LCDD16 */
+ /* LCDD17 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDDAT18 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDDAT19 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDDAT20 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 25, 0); /* LCDDAT21 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDDAT22 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDDAT23 */
+
+ at91_periph_clk_enable(ATMEL_ID_LCDC);
+}
+
+#ifdef CONFIG_LCD_INFO
+void lcd_show_board_info(void)
+{
+ ulong dram_size;
+ int i;
+ char temp[32];
+
+ lcd_printf("%s\n", U_BOOT_VERSION);
+ lcd_printf("2015 ATMEL Corp\n");
+ lcd_printf("%s CPU at %s MHz\n", get_cpu_name(),
+ strmhz(temp, get_cpu_clk_rate()));
+
+ dram_size = 0;
+ for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+ dram_size += gd->bd->bi_dram[i].size;
+
+ lcd_printf("%ld MB SDRAM\n", dram_size >> 20);
+}
+#endif
+#endif
+
+#ifdef CONFIG_MACB
+static void board_gmac_hw_init(void)
+{
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 14, 0); /* GTXCK */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 15, 0); /* GTXEN */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 16, 0); /* GRXDV */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 17, 0); /* GRXER */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 18, 0); /* GRX0 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 19, 0); /* GRX1 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 20, 0); /* GTX0 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 21, 0); /* GTX1 */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 22, 0); /* GMDC */
+ atmel_pio4_set_f_periph(AT91_PIO_PORTB, 23, 0); /* GMDIO */
+
+ at91_periph_clk_enable(ATMEL_ID_GMAC);
+}
+#endif
+
+#ifdef CONFIG_ATMEL_SDHCI
+#ifdef CONFIG_ATMEL_SDHCI0
+static void board_sdhci0_hw_init(void)
+{
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 0, 0); /* SDMMC0_CK */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 1, 0); /* SDMMC0_CMD */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 2, 0); /* SDMMC0_DAT0 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 3, 0); /* SDMMC0_DAT1 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 4, 0); /* SDMMC0_DAT2 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 5, 0); /* SDMMC0_DAT3 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 6, 0); /* SDMMC0_DAT4 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 7, 0); /* SDMMC0_DAT5 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 8, 0); /* SDMMC0_DAT6 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 9, 0); /* SDMMC0_DAT7 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 10, 0); /* SDMMC0_RSTN */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SDMMC0_VDDSEL */
+
+ at91_periph_clk_enable(ATMEL_ID_SDHCI0);
+ at91_enable_periph_generated_clk(ATMEL_ID_SDHCI0);
+}
+#endif
+
+#ifdef CONFIG_ATMEL_SDHCI1
+static void board_sdhci1_hw_init(void)
+{
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 18, 0); /* SDMMC1_DAT0 */
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 19, 0); /* SDMMC1_DAT1 */
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 20, 0); /* SDMMC1_DAT2 */
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 21, 0); /* SDMMC1_DAT3 */
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 22, 0); /* SDMMC1_CK */
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 27, 0); /* SDMMC1_RSTN */
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 28, 0); /* SDMMC1_CMD */
+ atmel_pio4_set_e_periph(AT91_PIO_PORTA, 30, 0); /* SDMMC1_CD */
+
+ at91_periph_clk_enable(ATMEL_ID_SDHCI1);
+ at91_enable_periph_generated_clk(ATMEL_ID_SDHCI1);
+}
+#endif
+
+int board_mmc_init(bd_t *bis)
+{
+#ifdef CONFIG_ATMEL_SDHCI0
+ atmel_sdhci_init((void *)ATMEL_BASE_SDHCI0, ATMEL_ID_SDHCI0);
+#endif
+#ifdef CONFIG_ATMEL_SDHCI1
+ atmel_sdhci_init((void *)ATMEL_BASE_SDHCI1, ATMEL_ID_SDHCI1);
+#endif
+
+ return 0;
+}
+#endif
+
+static void board_uart1_hw_init(void)
+{
+ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1); /* URXD1 */
+ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */
+
+ at91_periph_clk_enable(ATMEL_ID_UART1);
+}
+
+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);
+
+ board_uart1_hw_init();
+
+ return 0;
+}
+
+int board_init(void)
+{
+ /* adress of boot parameters */
+ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
+
+#ifdef CONFIG_ATMEL_SPI
+ board_spi0_hw_init();
+#endif
+#ifdef CONFIG_ATMEL_SDHCI
+#ifdef CONFIG_ATMEL_SDHCI0
+ board_sdhci0_hw_init();
+#endif
+#ifdef CONFIG_ATMEL_SDHCI1
+ board_sdhci1_hw_init();
+#endif
+#endif
+#ifdef CONFIG_MACB
+ board_gmac_hw_init();
+#endif
+#ifdef CONFIG_LCD
+ board_lcd_hw_init();
+#endif
+#ifdef CONFIG_CMD_USB
+ board_usb_hw_init();
+#endif
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+ at91_udp_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)
+{
+ int rc = 0;
+
+#ifdef CONFIG_MACB
+ rc = macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00);
+#endif
+
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+ usba_udc_probe(&pdata);
+#ifdef CONFIG_USB_ETH_RNDIS
+ usb_eth_initialize(bis);
+#endif
+#endif
+
+ return rc;
+}
diff --git a/configs/sama5d2_xplained_mmc_defconfig
b/configs/sama5d2_xplained_mmc_defconfig
new file mode 100644
index 0000000..f0a0bb0
--- /dev/null
+++ b/configs/sama5d2_xplained_mmc_defconfig
@@ -0,0 +1,10 @@
+CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
+CONFIG_TARGET_SAMA5D2_XPLAINED=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_MMC"
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_SPI_FLASH=y
diff --git a/configs/sama5d2_xplained_spiflash_defconfig
b/configs/sama5d2_xplained_spiflash_defconfig
new file mode 100644
index 0000000..9d2174c
--- /dev/null
+++ b/configs/sama5d2_xplained_spiflash_defconfig
@@ -0,0 +1,10 @@
+CONFIG_ARM=y
+CONFIG_ARCH_AT91=y
+CONFIG_TARGET_SAMA5D2_XPLAINED=y
+CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2,SYS_USE_SERIALFLASH"
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_LOADS is not set
+# CONFIG_CMD_FLASH is not set
+# CONFIG_CMD_FPGA is not set
+CONFIG_SPI_FLASH=y
diff --git a/include/configs/sama5d2_xplained.h
b/include/configs/sama5d2_xplained.h
new file mode 100644
index 0000000..40b7b77
--- /dev/null
+++ b/include/configs/sama5d2_xplained.h
@@ -0,0 +1,192 @@
+/*
+ * Configuration file for the SAMA5D2 Xplained Board.
+ *
+ * Copyright (C) 2015 Atmel Corporation
+ * Wenyou Yang <wenyou.y...@atmel.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/* No NOR flash, this definition should put before common header */
+#define CONFIG_SYS_NO_FLASH
+
+#include "at91-sama5_common.h"
+
+/* serial console */
+#define CONFIG_ATMEL_USART
+#define CONFIG_USART_BASE ATMEL_BASE_UART1
+#define CONFIG_USART_ID ATMEL_ID_UART1
+
+/* SDRAM */
+#define CONFIG_NR_DRAM_BANKS 1
+#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_DDRCS
+#define CONFIG_SYS_SDRAM_SIZE 0x20000000
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SYS_INIT_SP_ADDR 0x210000
+#else
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_SDRAM_BASE + 4 * 1024 - GENERATED_GBL_DATA_SIZE)
+#endif
+
+#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
+
+#undef CONFIG_AT91_GPIO
+#define CONFIG_ATMEL_PIO4
+
+/* SerialFlash */
+#define CONFIG_CMD_SF
+
+#ifdef CONFIG_CMD_SF
+#define CONFIG_ATMEL_SPI
+#define CONFIG_ATMEL_SPI0
+#define CONFIG_SPI_FLASH_ATMEL
+#define CONFIG_SF_DEFAULT_BUS 0
+#define CONFIG_SF_DEFAULT_CS 0
+#define CONFIG_SF_DEFAULT_SPEED 30000000
+#endif
+
+/* NAND flash */
+#undef 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
+#endif
+
+/* MMC */
+#define CONFIG_CMD_MMC
+
+#ifdef CONFIG_CMD_MMC
+#define CONFIG_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_SDHCI
+#define CONFIG_ATMEL_SDHCI
+#define CONFIG_ATMEL_SDHCI0
+#define CONFIG_ATMEL_SDHCI1
+#define CONFIG_SUPPORT_EMMC_BOOT
+#endif
+
+/* USB */
+#define CONFIG_CMD_USB
+
+#ifdef CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_ATMEL
+#define CONFIG_SYS_USB_EHCI_MAX_ROOT_PORTS 3
+#define CONFIG_USB_STORAGE
+#endif
+
+/* USB device */
+#define CONFIG_USB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET_ATMEL_USBA
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#define CONFIG_USBNET_MANUFACTURER "Atmel SAMA5D2 XPlained"
+
+#if defined(CONFIG_CMD_USB) || defined(CONFIG_CMD_MMC)
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#endif
+
+/* Ethernet Hardware */
+#define CONFIG_MACB
+#define CONFIG_RMII
+#define CONFIG_NET_RETRY_COUNT 20
+#define CONFIG_MACB_SEARCH_PHY
+
+/* LCD */
+/* #define CONFIG_LCD */
+
+#ifdef CONFIG_LCD
+#define LCD_BPP LCD_COLOR16
+#define LCD_OUTPUT_BPP 24
+#define CONFIG_LCD_LOGO
+#define CONFIG_LCD_INFO
+#define CONFIG_LCD_INFO_BELOW_LOGO
+#define CONFIG_SYS_WHITE_ON_BLACK
+#define CONFIG_ATMEL_HLCD
+#define CONFIG_ATMEL_LCD_RGB565
+#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#endif
+
+#ifdef CONFIG_SYS_USE_SERIALFLASH
+/* bootstrap + u-boot + env + linux in serial flash */
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SPI_BUS CONFIG_SF_DEFAULT_BUS
+#define CONFIG_ENV_SPI_CS CONFIG_SF_DEFAULT_CS
+#define CONFIG_ENV_OFFSET 0x4000
+#define CONFIG_ENV_SIZE 0x4000
+#define CONFIG_ENV_SECT_SIZE 0x1000
+#define CONFIG_BOOTCOMMAND "sf probe 0; " \
+ "sf read 0x21000000 0x60000 0xc000; " \
+ "sf read 0x22000000 0x6c000 0x394000; " \
+ "bootz 0x22000000 - 0x21000000"
+
+#elif 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
+
+#undef CONFIG_ENV_IS_IN_FAT
+#undef CONFIG_FAT_WRITE
+#undef FAT_ENV_INTERFACE
+#undef FAT_ENV_DEVICE_AND_PART
+#undef FAT_ENV_FILE
+#undef CONFIG_ENV_SIZE
+#undef CONFIG_BOOTCOMMAND
+
+/* bootstrap + u-boot + env in sd card */
+#define CONFIG_ENV_IS_IN_FAT
+#define CONFIG_FAT_WRITE
+#define FAT_ENV_INTERFACE "mmc"
+/*
+ * We don't specify the part number, if device 0 has partition table, it means
+ * the first partition; it no partition table, then take whole device as a
+ * FAT file system.
+ */
+#define FAT_ENV_DEVICE_AND_PART "1"
+#define FAT_ENV_FILE "uboot.env"
+#define CONFIG_ENV_SIZE 0x4000
+#define CONFIG_BOOTCOMMAND "fatload mmc 1:1 0x21000000
at91-sama5d2_xplained.dtb; " \
+ "fatload mmc 1:1 0x22000000 zImage; " \
+ "bootz 0x22000000 - 0x21000000"
+#endif
+
+#ifdef CONFIG_BOOTARGS
+#undef CONFIG_BOOTARGS
+#endif
+
+#ifdef CONFIG_SYS_USE_MMC
+#define CONFIG_BOOTARGS \
+ "console=ttyS0,115200 earlyprintk root=/dev/mmcblk1p2 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
+
+#endif
--
1.7.9.5
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