[U-Boot] [PATCH v2] arm: atmel: Add SAMA5D2 Xplained board

[Bo Shen <voice.shen@gmail.com>]

Hi Wenyou,

On 10/27/2015 14:48 PM, Yang, Wenyou wrote:
> Hi Shen Bo,
>
> Thank you very much for your review.
>
>
>> -----Original Message-----
>> From: Bo Shen [mailto:voice.shen at gmail.com]
>> Sent: 2015?10?27? 11:09
>> To: Yang, Wenyou; andreas.devel at googlemail.com
>> Cc: U-Boot Mailing List
>> Subject: Re: [U-Boot] [PATCH v2] arm: atmel: Add SAMA5D2 Xplained board
>>
>> Hi Wenyou,
>>     + Andreas
>>
>> On 10/27/2015 08:59 AM, Wenyou Yang wrote:
>>> 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.yang@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 v3] mmc: atmel: Add atmel sdhci support
>>> 	[PATCH v2] arm: at91: clock: Add the generated clock support
>>>
>>> Changes in v2:
>>>    1./ re-order SAMA5D2 statements alphabetically.
>>>    2./ remove redundant "Unknown CPU type".
>>>    3./ rework sama5d2's macros.
>>>    4./ remove some #ifdef before functions.
>>>    5./ move CONFIG_CMD_SF to Kconfig.
>>>    6./ remove NAND macros from config file.
>>>    7./ CONFIG_BOOTCOMMAND for sf uses defines in at91-sama5_common.h.
>>>
>>>    arch/arm/mach-at91/Kconfig                       |    5 +
>>>    arch/arm/mach-at91/armv7/Makefile                |    1 +
>>>    arch/arm/mach-at91/armv7/sama5d2_devices.c       |   60 +++++
>>>    arch/arm/mach-at91/include/mach/at91_pmc.h       |    9 +-
>>>    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        |  224
>> +++++++++++++++++
>>>    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  |  282
>> ++++++++++++++++++++++
>>>    configs/sama5d2_xplained_mmc_defconfig           |   11 +
>>>    configs/sama5d2_xplained_spiflash_defconfig      |   11 +
>>>    include/configs/sama5d2_xplained.h               |  126 ++++++++++
>>>    14 files changed, 758 insertions(+), 6 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..9538bc1 100644
>>> --- a/arch/arm/mach-at91/armv7/Makefile
>>> +++ b/arch/arm/mach-at91/armv7/Makefile
>>> @@ -8,6 +8,7 @@
>>>    # SPDX-License-Identifier:	GPL-2.0+
>>>    #
>>>
>>> +obj-$(CONFIG_SAMA5D2)	+= sama5d2_devices.o
>>>    obj-$(CONFIG_SAMA5D3)	+= sama5d3_devices.o
>>>    obj-$(CONFIG_SAMA5D4)	+= sama5d4_devices.o
>>>    obj-y += clock.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..26883fc
>>> --- /dev/null
>>> +++ b/arch/arm/mach-at91/armv7/sama5d2_devices.c
>>> @@ -0,0 +1,60 @@
>>> +/*
>>> + * Copyright (C) 2015 Atmel Corporation
>>> + *		      Wenyou Yang <wenyou.yang@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:
>>> +			goto err_exit;
>>> +		}
>>> +	}
>>> +
>>> +err_exit:
>>> +	return "Unknown CPU type";
>>> +}
>>
>> Can we return directly from default? (I guess when compile it will throw out
>> warning message, if so, remove default option).
> I don't think the default can be remove in switch-case statement.

Could you show me more detail why can not be removed?

>>
>>> +
>>> +#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..5adaa30 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_SAMA5D2) || defined(CONFIG_SAMA5D3) || \
>>> +	defined(CONFIG_SAMA5D4)
>>>    #define AT91_PMC_PLLXR_MUL(x)		((x & 0x7F) << 18)
>>>    #else
>>>    #define AT91_PMC_PLLXR_MUL(x)		((x & 0x7FF) << 16)
>>> @@ -97,7 +98,8 @@ typedef struct at91_pmc {
>>>    #define AT91_PMC_MCKR_CSS_PLLB		0x00000003
>>>    #define AT91_PMC_MCKR_CSS_MASK		0x00000003
>>>
>>> -#if defined(CONFIG_SAMA5D3) || defined(CONFIG_SAMA5D4) || \
>>> +#if defined(CONFIG_SAMA5D2) || defined(CONFIG_SAMA5D3) || \
>>> +	defined(CONFIG_SAMA5D4) || \
>>>    	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..46a329b 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_SAMA5D2) || defined(CONFIG_SAMA5D3) || \
>>> +	defined(CONFIG_SAMA5D4)
>>>    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..38abfda 100644
>>> --- a/arch/arm/mach-at91/include/mach/hardware.h
>>> +++ b/arch/arm/mach-at91/include/mach/hardware.h
>>> @@ -23,6 +23,8 @@
>>>    # include <asm/arch/at91sam9g45.h>
>>>    #elif defined(CONFIG_AT91SAM9N12) || defined(CONFIG_AT91SAM9X5)
>>>    # include <asm/arch/at91sam9x5.h>
>>> +#elif defined(CONFIG_SAMA5D2)
>>> +# include <asm/arch/sama5d2.h>
>>>    #elif defined(CONFIG_SAMA5D3)
>>>    # include <asm/arch/sama5d3.h>
>>>    #elif defined(CONFIG_SAMA5D4)
>>> 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..200070d
>>> --- /dev/null
>>> +++ b/arch/arm/mach-at91/include/mach/sama5d2.h
>>> @@ -0,0 +1,224 @@
>>> +/*
>>> + * Chip-specific header file for the SAMA5D2 SoC
>>> + *
>>> + * Copyright (C) 2015 Atmel
>>> + *		      Wenyou Yang <wenyou.yang@atmel.com>
>>> + *
>>> + * SPDX-License-Identifier:	GPL-2.0+
>>> + */
>>> +
>>> +#ifndef __SAMA5D2_H
>>> +#define __SAMA5D2_H
>>> +
>>> +/*
>>> + * defines to be used in other places
>>
>> s/defines/definition
> All changed, more clearly.
>
>>
>>> + */
>>> +#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_SDMMC0		31	/* Secure Data Memory
>> Card Controller 0 */
>>> +#define ATMEL_ID_SDMMC1		32	/* Secure Data Memory
>> Card 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 Controller, for
>> A5D2, named after ISC */
>>> +#define ATMEL_ID_TRNG		47	/* True Random Number
>> Generator */
>>> +#define ATMEL_ID_PDMIC		48	/* PDM Interface Controller */
>>> +#define ATMEL_ID_AIC_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 */
>>> +/* 58 */
>>> +#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_SDMMC0_TIMER	71	/* Secure Data Memory
>> Card Controller 0 (TIMER) */
>>> +#define ATMEL_ID_SDMMC1_TIMER	72	/* Secure Data Memory
>> Card Controller 1 (TIMER) */
>>> +/* 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_HSMC		0xf8014000
>>> +#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_SDMMC0		0xa0000000
>>> +#define ATMEL_BASE_SDMMC1		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 */
>>
>> Ditto
>>
>>> +#define ATMEL_BASE_PMECC	(ATMEL_BASE_HSMC + 0x70)
>>> +#define ATMEL_BASE_PMERRLOC	(ATMEL_BASE_HSMC + 0x500)
>>> +
>>> +#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_SHDWC	(ATMEL_BASE_SYSC + 0x10)
>>> +#define ATMEL_BASE_PIT		(ATMEL_BASE_SYSC + 0x30)
>>> +#define ATMEL_BASE_WDT		(ATMEL_BASE_SYSC + 0x40)
>>> +#define ATMEL_BASE_SCKC		(ATMEL_BASE_SYSC + 0x50)
>>> +#define ATMEL_BASE_RTC		(ATMEL_BASE_SYSC + 0xb0)
>>> +
>>> +/*
>>> + * Other misc defines
>>
>> Ditto
>>
>> You have two section of "Other misc defines", would it be OK to put them together?
> Put them together.
>
>>
>>> + */
>>> +#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))
>>
>> I don't see where use this part of code? Add I think it is the same as
>> get_cpu_name() function.
> Remove cpu_is_sama5d2x() macros, which are unused for now.
>
> Thanks.
>
>>
>>> +/* 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.yang@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.yang@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..adac13a
>>> --- /dev/null
>>> +++ b/board/atmel/sama5d2_xplained/sama5d2_xplained.c
>>> @@ -0,0 +1,282 @@
>>> +/*
>>> + * Copyright (C) 2015 Atmel Corporation
>>> + *		      Wenyou.Yang <wenyou.yang@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;
>>> +
>>> +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);
>>> +}
>>> +
>>> +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); }
>>> +
>>> +#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;
>>> +}
>>
>> For this, I think you can add a following patch to define it as a weak function, then
>> it don't need to repeat it.
> Add __weak attribute.

I think you misunderstand the meaning of my statements in your v3 patch.

As many board files have this function, so can you define a weak 
function in common place, overwrite it in board file which needed. Add 
following patch is OK.

>>
>>> +
>>> +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 /*
>>> +CONFIG_LCD_INFO */ #endif /* CONFIG_LCD_INFO */
>>
>> s/CONFIG_LCD_INFO/CONFIG_LCD
> Done
>
>>
>>> +
>>> +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);
>>> +}
>>> +
>>> +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_SDMMC0);
>>> +	at91_enable_periph_generated_clk(ATMEL_ID_SDMMC0);
>>> +}
>>> +
>>> +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_SDMMC1);
>>> +	at91_enable_periph_generated_clk(ATMEL_ID_SDMMC1);
>>> +}
>>> +
>>> +int board_mmc_init(bd_t *bis)
>>> +{
>>> +#ifdef CONFIG_ATMEL_SDHCI0
>>> +	atmel_sdhci_init((void *)ATMEL_BASE_SDMMC0, ATMEL_ID_SDMMC0);
>> #endif
>>> +#ifdef CONFIG_ATMEL_SDHCI1
>>> +	atmel_sdhci_init((void *)ATMEL_BASE_SDMMC1, ATMEL_ID_SDMMC1);
>> #endif
>>> +
>>> +	return 0;
>>> +}
>>> +
>>> +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 */
>>
>> s/adress/address
> Thank you for your finding.
>
>>
>>> +	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
>>
>> Here, I think you'd better address the comments from Andreas.

How about this one?

>>> +
>>> +	return rc;
>>> +}
>>> diff --git a/configs/sama5d2_xplained_mmc_defconfig
>>> b/configs/sama5d2_xplained_mmc_defconfig
>>> new file mode 100644
>>> index 0000000..c1dcbef
>>> --- /dev/null
>>> +++ b/configs/sama5d2_xplained_mmc_defconfig
>>> @@ -0,0 +1,11 @@
>>> +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_SF=y
>>> +# 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..0271e8e
>>> --- /dev/null
>>> +++ b/configs/sama5d2_xplained_spiflash_defconfig
>>> @@ -0,0 +1,11 @@
>>> +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_SF=y
>>> +# 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..ff9e79c
>>> --- /dev/null
>>> +++ b/include/configs/sama5d2_xplained.h
>>> @@ -0,0 +1,126 @@
>>> +/*
>>> + * Configuration file for the SAMA5D2 Xplained Board.
>>> + *
>>> + * Copyright (C) 2015 Atmel Corporation
>>> + *		      Wenyou Yang <wenyou.yang@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
>>
>> As you don't support SPL, can you add this later? (The same time when add spl
>> support)
> Removed. The SPL support will be added soon.
>
>>
>>> +#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 */
>>> +#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
>>> +
>>> +/* 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_MMC
>>> +
>>> +/* bootstrap + u-boot + env in sd card */ #undef
>>> +FAT_ENV_DEVICE_AND_PART #undef CONFIG_BOOTCOMMAND
>>> +
>>> +#define FAT_ENV_DEVICE_AND_PART	"1"
>>> +#define CONFIG_BOOTCOMMAND	"fatload mmc 1:1 0x21000000 at91-
>> sama5d2_xplained.dtb; " \
>>> +				"fatload mmc 1:1 0x22000000 zImage; " \
>>> +				"bootz 0x22000000 - 0x21000000"
>>> +#undef CONFIG_BOOTARGS
>>> +#define CONFIG_BOOTARGS \
>>> +	"console=ttyS0,115200 earlyprintk root=/dev/mmcblk1p2 rw rootwait"
>>> +
>>> +#endif
>>
>> This part also present in at91-sama5_common.h, can it be used?
> They have a little difference, so be overridden.

I know, but can we deal with it as in the at91-sama5_common.h? (No 
strong opinion here.)

>>
>>> +
>>> +#endif
>>>
>>
>> Best Regards,
>> Bo Shen
>
>
> Best Regards,
> Wenyou Yang
>

Best Regards,
Bo Shen