[U-Boot] [PATCH v2] at91: Add support for Bluewater Systems Snapper 9G45 module

[Igor Grinberg]

Hi Simon,

On 11/01/11 17:22, Simon Glass wrote:
> Snapper 9G45 is a ARM9-based CPU module with 1GB NAND and 128MB
> DDR SDRAM. This patch includes NAND and Ethernet support.
> 
> Signed-off-by: Simon Glass <sglass at bluewatersys.com>
> ---
> Changes in v2:
> - Removed unneeded i2c config
> - Added machine type define
> 
>  board/bluewater/snapper9g45/Makefile      |   43 +++++++
>  board/bluewater/snapper9g45/snapper9g45.c |  155 ++++++++++++++++++++++++
>  boards.cfg                                |    1 +
>  include/configs/snapper9g45.h             |  185 +++++++++++++++++++++++++++++
>  4 files changed, 384 insertions(+), 0 deletions(-)
>  create mode 100644 board/bluewater/snapper9g45/Makefile
>  create mode 100644 board/bluewater/snapper9g45/snapper9g45.c
>  create mode 100644 include/configs/snapper9g45.h

[...]

> diff --git a/board/bluewater/snapper9g45/snapper9g45.c b/board/bluewater/snapper9g45/snapper9g45.c
> new file mode 100644
> index 0000000..f057e59
> --- /dev/null
> +++ b/board/bluewater/snapper9g45/snapper9g45.c

[...]

> +
> +int board_init(void)
> +{
> +	struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC;
> +
> +	/* Enable PIO clocks */
> +	writel((1 << ATMEL_ID_PIOA) |
> +		(1 << ATMEL_ID_PIOB) |
> +		(1 << ATMEL_ID_PIOC |
> +		(1 << ATMEL_ID_PIODE)), &pmc->pcer);
> +
> +	gd->bd->bi_arch_number = MACH_TYPE_SNAPPER9G45;

Please, use common code facilities (check CONFIG_MACH_TYPE in README).

> +
> +	/* Address of boot parameters */
> +	gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
> +
> +	/* Initialise peripherals */
> +	at91_seriald_hw_init();
> +	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);

Why do you need the additional i2c_init() call here?
It is already called in the init_sequence[] array.

> +	nand_hw_init();
> +
> +	macb_hw_init();
> +
> +	return 0;
> +}
> +

[...]


-- 
Regards,
Igor.