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Date:	Mon, 10 Nov 2014 09:47:14 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Boris Brezillon <boris.brezillon@...e-electrons.com>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Andrew Victor <linux@...im.org.za>,
	Jean-Jacques Hiblot <jjhiblot@...phandler.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 01/11] mfd: syscon: Add atmel-matrix registers
 definition

On Wed, 05 Nov 2014, Boris Brezillon wrote:

> AT91 SoCs have a memory range reserved for internal bus configuration.
> Expose those registers so that drivers can make use of the matrix syscon
> declared in at91 DTs.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@...e-electrons.com>
> ---
>  include/linux/mfd/syscon/atmel-matrix.h | 114 ++++++++++++++++++++++++++++++++
>  1 file changed, 114 insertions(+)
>  create mode 100644 include/linux/mfd/syscon/atmel-matrix.h
> 
> diff --git a/include/linux/mfd/syscon/atmel-matrix.h b/include/linux/mfd/syscon/atmel-matrix.h
> new file mode 100644
> index 0000000..c3faa18
> --- /dev/null
> +++ b/include/linux/mfd/syscon/atmel-matrix.h
> @@ -0,0 +1,114 @@
> +/*
> + *  Copyright (C) 2007 Atmel Corporation.

You need to update this.

Assuming this gets fixed and all of the misalignments are patchisums
i.e. everything is in fact nice lined up in the source file:

Acked-by: Lee Jones <lee.jones@...aro.org>

> + * Memory Controllers (MATRIX, EBI) - System peripherals registers.
> + *
> + * 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.
> + */
> +
> +#ifndef _LINUX_MFD_SYSCON_ATMEL_MATRIX_H
> +#define _LINUX_MFD_SYSCON_ATMEL_MATRIX_H
> +
> +#define AT91SAM9260_MATRIX_MCFG_OFF	0x00
> +#define AT91SAM9260_MATRIX_SCFG_OFF	0x40
> +#define AT91SAM9260_MATRIX_PRS_OFF	0x80
> +#define AT91SAM9260_MATRIX_MRCR_OFF	0x100
> +#define AT91SAM9260_MATRIX_EBICSA_OFF	0x11c
> +
> +#define AT91SAM9261_MATRIX_MRCR_OFF	0x0
> +#define AT91SAM9261_MATRIX_SCFG_OFF	0x4
> +#define AT91SAM9261_MATRIX_TCR_OFF	0x24
> +#define AT91SAM9261_MATRIX_EBICSA_OFF	0x30
> +#define AT91SAM9261_MATRIX_USBPUCR_OFF	0x34
> +
> +#define AT91SAM9263_MATRIX_MCFG_OFF	0x00
> +#define AT91SAM9263_MATRIX_SCFG_OFF	0x40
> +#define AT91SAM9263_MATRIX_PRS_OFF	0x80
> +#define AT91SAM9263_MATRIX_MRCR_OFF	0x100
> +#define AT91SAM9263_MATRIX_TCR_OFF	0x114
> +#define AT91SAM9263_MATRIX_EBI0CSA_OFF	0x120
> +#define AT91SAM9263_MATRIX_EBI1CSA_OFF	0x124
> +
> +#define AT91SAM9G45_MATRIX_MCFG_OFF	0x00
> +#define AT91SAM9G45_MATRIX_SCFG_OFF	0x40
> +#define AT91SAM9G45_MATRIX_PRS_OFF	0x80
> +#define AT91SAM9G45_MATRIX_MRCR_OFF	0x100
> +#define AT91SAM9G45_MATRIX_TCR_OFF	0x110
> +#define AT91SAM9G45_MATRIX_DDRMPR_OFF	0x118
> +#define AT91SAM9G45_MATRIX_EBICSA_OFF	0x128
> +
> +#define AT91SAM9N12_MATRIX_MCFG_OFF	0x00
> +#define AT91SAM9N12_MATRIX_SCFG_OFF	0x40
> +#define AT91SAM9N12_MATRIX_PRS_OFF	0x80
> +#define AT91SAM9N12_MATRIX_MRCR_OFF	0x100
> +#define AT91SAM9N12_MATRIX_EBICSA_OFF	0x118
> +
> +#define AT91SAM9X5_MATRIX_MCFG_OFF	0x00
> +#define AT91SAM9X5_MATRIX_SCFG_OFF	0x40
> +#define AT91SAM9X5_MATRIX_PRS_OFF	0x80
> +#define AT91SAM9X5_MATRIX_MRCR_OFF	0x100
> +#define AT91SAM9X5_MATRIX_EBICSA_OFF	0x120
> +
> +#define SAMA5D3_MATRIX_MCFG_OFF		0x00
> +#define SAMA5D3_MATRIX_SCFG_OFF		0x40
> +#define SAMA5D3_MATRIX_PRS_OFF		0x80
> +#define SAMA5D3_MATRIX_MRCR_OFF		0x100
> +
> +#define AT91_MATRIX_MCFG(o, x)		((o) + ((x) * 0x4))
> +#define AT91_MATRIX_ULBT		(7 << 0)
> +#define AT91_MATRIX_ULBT_INFINITE	(0 << 0)
> +#define AT91_MATRIX_ULBT_SINGLE		(1 << 0)
> +#define AT91_MATRIX_ULBT_FOUR		(2 << 0)
> +#define AT91_MATRIX_ULBT_EIGHT		(3 << 0)
> +#define AT91_MATRIX_ULBT_SIXTEEN	(4 << 0)
> +
> +#define AT91_MATRIX_SCFG(o, x)		((o) + ((x) * 0x4))
> +#define AT91_MATRIX_SLOT_CYCLE		(0xff <<  0)
> +#define AT91_MATRIX_DEFMSTR_TYPE	(3 << 16)
> +#define AT91_MATRIX_DEFMSTR_TYPE_NONE	(0 << 16)
> +#define AT91_MATRIX_DEFMSTR_TYPE_LAST	(1 << 16)
> +#define AT91_MATRIX_DEFMSTR_TYPE_FIXED	(2 << 16)
> +#define AT91_MATRIX_FIXED_DEFMSTR	(7 << 18)
> +#define AT91_MATRIX_ARBT		(3 << 24)
> +#define AT91_MATRIX_ARBT_ROUND_ROBIN	(0 << 24)
> +#define AT91_MATRIX_ARBT_FIXED_PRIORITY	(1 << 24)
> +
> +#define AT91_MATRIX_TCR(o)		(o)
> +#define AT91_MATRIX_ITCM_SIZE		(0xf << 0)
> +#define AT91_MATRIX_ITCM_0		(0 << 0)
> +#define AT91_MATRIX_ITCM_16		(5 << 0)
> +#define AT91_MATRIX_ITCM_32		(6 << 0)
> +#define AT91_MATRIX_ITCM_64		(7 << 0)
> +#define	AT91_MATRIX_DTCM_SIZE		(0xf << 4)
> +#define	AT91_MATRIX_DTCM_0		(0 << 4)
> +#define	AT91_MATRIX_DTCM_16		(5 << 4)
> +#define AT91_MATRIX_DTCM_32		(6 << 4)
> +#define AT91_MATRIX_DTCM_64		(7 << 4)
> +
> +#define AT91_MATRIX_PRAS(o, x)		((o) + ((x) * 0x8))
> +#define AT91_MATRIX_PRBS(o, x)		((o) + ((x) * 0x8) + 0x4)
> +#define AT91_MATRIX_MPR_MSK(x)		(3 << ((x) * 0x4))
> +
> +#define AT91_MATRIX_MRC(o)		(o)
> +#define AT91_MATRIX_RCB(x)		BIT(x)
> +
> +#define AT91_MATRIX_EBICSA(o)		(o)
> +#define AT91_MATRIX_CSA(cs, val)	(val << (cs))
> +#define AT91_MATRIX_DBPUC		BIT(8)
> +#define AT91_MATRIX_DBPDC		BIT(9)
> +#define AT91_MATRIX_VDDIOMSEL		BIT(16)
> +#define AT91_MATRIX_VDDIOMSEL_1_8V	(0 << 16)
> +#define AT91_MATRIX_VDDIOMSEL_3_3V	(1 << 16)
> +#define AT91_MATRIX_EBI_IOSR		BIT(17)
> +#define AT91_MATRIX_DDR_IOSR		BIT(18)
> +#define AT91_MATRIX_NFD0_SELECT		BIT(24)
> +#define AT91_MATRIX_DDR_MP_EN		BIT(25)
> +#define AT91_MATRIX_EBI_NUM_CS		8
> +
> +#define AT91_MATRIX_WPMR(o)		(o)
> +#define AT91_MATRIX_WPSR(o)		(o)
> +
> +#endif /* _LINUX_MFD_SYSCON_ATMEL_MATRIX_H */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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