[U-Boot] [WIP PATCH 1/4 v2] spi: Add Cadence QSPI driver used by SoCFPGA

[Pavel Machek]

Hi!

> +++ b/drivers/spi/cadence_qspi.c
> @@ -0,0 +1,355 @@
> +/*
> + * Copyright (C) 2012
> + * Altera Corporation <www.altera.com>
> + *
> + * 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
> + */

SPDX headers?

> +#define CQSPI_WRITEL		writel
> +#define CQSPI_READL		readl

It would be nice to get rid of these.

> +/* Write to SRAM FIFO with polling SRAM fill level. */
> +static int qpsi_write_sram_fifo_push(const void *reg_base, void *dest_addr,
> +				const void *src_addr, unsigned int num_bytes)
> +{
> +	unsigned int retry = CQSPI_REG_RETRY;
> +	unsigned int sram_level;
> +	unsigned int wr_bytes;
> +	unsigned char* src = (unsigned char *)src_addr;

"char *src", afaict.

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
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