[U-Boot] Support for Calao USB A9263 board based on AT91SAM9263 CPU

[Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>]

On 14:07 Wed 01 Jul     , Thomas Petazzoni wrote:
> Hello,
> 
> Here is a patch that adds the support for the Calao USB A9263 board.
> This is my first board support contribution to U-Boot, so don't
> hesitate to comment and suggest improvements.
> 
> Thanks,
> 
> Thomas
this need to move after ---
> 
> ---
and this before
> Support for the Calao USB A9263 board
> 
> The Calao USB A9263 board is a board manufactured and sold by Calao
> Systems <http://www.calao-systems.com>. Its components are very
> similar to the AT91SAM9263EK board, so its configuration is based on
> the configuration of this board. There are however some differences:
> different clocks, no LCD, etc.
> 
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> 
>  MAKEALL                     |    1 
>  Makefile                    |    3 
>  board/usb-a9263/Makefile    |   56 +++++++++++++
>  board/usb-a9263/config.mk   |    1 
>  board/usb-a9263/led.c       |   44 ++++++++++
>  board/usb-a9263/partition.c |   37 ++++++++
>  board/usb-a9263/usb-a9263.c |  189 ++++++++++++++++++++++++++++++++++++++++++++
>  include/configs/usb-a9263.h |  188 +++++++++++++++++++++++++++++++++++++++++++
>  8 files changed, 519 insertions(+)
> 

> +
> +#ifdef CONFIG_MACB
> +static void usb_a9263_macb_hw_init(void)
> +{
> +	/* Enable clock */
> +	at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9263_ID_EMAC);
> +
> +	/*
> +	 * Disable pull-up on:
> +	 *	RXDV (PC25) => PHY normal mode (not Test mode)
> +	 * 	ERX0 (PE25) => PHY ADDR0
> +	 *	ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0
> +	 *
> +	 * PHY has internal pull-down
> +	 */
> +	writel(pin_to_mask(AT91_PIN_PC25),
> +	       pin_to_controller(AT91_PIN_PC0) + PIO_PUDR);
> +	writel(pin_to_mask(AT91_PIN_PE25) |
> +	       pin_to_mask(AT91_PIN_PE26),
> +	       pin_to_controller(AT91_PIN_PE0) + PIO_PUDR);
> +
> +	/* Need to reset PHY -> 500ms reset */
> +	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
> +				     (AT91_RSTC_ERSTL & (0x0D << 8)) |
> +				     AT91_RSTC_URSTEN);
> +
> +	at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
> +
> +	/* Wait for end hardware reset */
> +	while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
> +
> +	/* Restore NRST value */
> +	at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
> +				     (AT91_RSTC_ERSTL & (0x0 << 8)) |
> +				     AT91_RSTC_URSTEN);
> +
please check recent Sedji fix for this
at91sam9260/9263: add back up for the rst(reset controller).
> +	/* Re-enable pull-up */
> +	writel(pin_to_mask(AT91_PIN_PC25),
> +	       pin_to_controller(AT91_PIN_PC0) + PIO_PUER);
> +	writel(pin_to_mask(AT91_PIN_PE25) |
> +	       pin_to_mask(AT91_PIN_PE26),
> +	       pin_to_controller(AT91_PIN_PE0) + PIO_PUER);
> +
> +	at91_macb_hw_init();
> +}
> +#endif
> +
<snip>
>> --- /dev/null
> +++ b/include/configs/usb-a9263.h
> @@ -0,0 +1,188 @@
> +/*
> + * (C) Copyright 2007-2008
> + * Stelian Pop <stelian.pop@leadtechdesign.com>
> + * Lead Tech Design <www.leadtechdesign.com>
> + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> + *
> + * Configuration settings for the Calao USB-A9263 board.
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#ifndef __CONFIG_H
> +#define __CONFIG_H
> +
> +/* ARM asynchronous clock */
> +#define AT91_CPU_NAME		"AT91SAM9263"
no-need please remove
> +#define AT91_MAIN_CLOCK		12000000	/* 12 MHz crystal */
> +#define CONFIG_SYS_HZ		1000
> +
> +#define CONFIG_ARM926EJS	1	/* This is an ARM926EJS Core	*/
> +#define CONFIG_AT91SAM9263	1	/* It's an Atmel AT91SAM9263 SoC*/
> +#define CONFIG_CALAO_USB_A9263	1	/* on an Calao USB A 9263 Board	*/
> +#define CONFIG_ARCH_CPU_INIT
> +#undef CONFIG_USE_IRQ			/* we don't need IRQ/FIQ stuff	*/
> +
> +#define CONFIG_CMDLINE_TAG	1	/* enable passing of ATAGs	*/
> +#define CONFIG_SETUP_MEMORY_TAGS 1
> +#define CONFIG_INITRD_TAG	1
> +
> +#define CONFIG_SKIP_LOWLEVEL_INIT
> +#define CONFIG_SKIP_RELOCATE_UBOOT
> +
> +/*
> + * Hardware drivers
> + */
> +#define CONFIG_ATMEL_USART	1
> +#undef CONFIG_USART0
> +#undef CONFIG_USART1
> +#undef CONFIG_USART2
> +#define CONFIG_USART3		1	/* USART 3 is DBGU */
> +
> +/* LCD */
> +#undef CONFIG_LCD
> +
> +/* LED */
> +#define CONFIG_AT91_LED
> +#define	CONFIG_RED_LED		AT91_PIN_PB7	/* this is the power led */
> +#define	CONFIG_GREEN_LED	AT91_PIN_PB8	/* this is the user1 led */
> +#define	CONFIG_YELLOW_LED	AT91_PIN_PC29	/* this is the user2 led */
> +
> +#define CONFIG_BOOTDELAY	3
> +
> +/*
> + * BOOTP options
> + */
> +#define CONFIG_BOOTP_BOOTFILESIZE	1
> +#define CONFIG_BOOTP_BOOTPATH		1
> +#define CONFIG_BOOTP_GATEWAY		1
> +#define CONFIG_BOOTP_HOSTNAME		1
> +
> +/*
> + * Command line configuration.
> + */
> +#include <config_cmd_default.h>
> +#undef CONFIG_CMD_BDI
> +#undef CONFIG_CMD_FPGA
> +#undef CONFIG_CMD_IMI
> +#undef CONFIG_CMD_IMLS
> +#undef CONFIG_CMD_LOADS
> +#undef CONFIG_CMD_SOURCE
> +
> +#define CONFIG_CMD_PING		1
> +#define CONFIG_CMD_DHCP		1
> +#define CONFIG_CMD_NAND		1
> +#define CONFIG_CMD_USB		1
> +
> +/* SDRAM */
> +#define CONFIG_NR_DRAM_BANKS		1
> +#define PHYS_SDRAM			0x20000000
> +#define PHYS_SDRAM_SIZE			0x04000000	/* 64 megs */
> +
> +/* DataFlash */
> +#define CONFIG_ATMEL_DATAFLASH_SPI
> +#define CONFIG_HAS_DATAFLASH		1
> +#define CONFIG_SYS_SPI_WRITE_TOUT		(5*CONFIG_SYS_HZ)
> +#define CONFIG_SYS_MAX_DATAFLASH_BANKS		1
> +#define CONFIG_SYS_DATAFLASH_LOGIC_ADDR_CS0	0xC0000000	/* CS0 */
> +#define AT91_SPI_CLK			8000000
> +#define DATAFLASH_TCSS			(0x1c << 16)
> +#define DATAFLASH_TCHS			(0x1 << 24)
> +
> +/* no NOR flash */
> +#define CONFIG_SYS_NO_FLASH			1
> +
> +/* NAND flash */
> +#ifdef CONFIG_CMD_NAND
> +#define CONFIG_NAND_ATMEL
> +#define CONFIG_SYS_MAX_NAND_DEVICE		1
> +#define CONFIG_SYS_NAND_BASE			0x40000000
> +#define CONFIG_SYS_NAND_DBW_8			1
> +/* 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_ENABLE_PIN		AT91_PIN_PD15
> +#define CONFIG_SYS_NAND_READY_PIN		AT91_PIN_PA22
> +#endif
> +
> +/* Ethernet */
> +#define CONFIG_MACB			1
> +#define CONFIG_RMII			1
> +#define CONFIG_NET_MULTI		1
> +#define CONFIG_NET_RETRY_COUNT		20
> +#define CONFIG_RESET_PHY_R		1
> +#define CONFIG_MACB_SEARCH_PHY  1
whitespace please fix
> +#define CONFIG_ETHADDR          00:0D:00:0D:00:AB
please remove
> +
Best Regards,
J.