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/*
* (c) 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
*
* 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.
*
*/
#ifndef __MACH_IMX_IIM_H
#define __MACH_IMX_IIM_H
#include <errno.h>
#include <net.h>
#define IIM_STAT 0x0000
#define IIM_STATM 0x0004
#define IIM_ERR 0x0008
#define IIM_EMASK 0x000C
#define IIM_FCTL 0x0010
#define IIM_UA 0x0014
#define IIM_LA 0x0018
#define IIM_SDAT 0x001C
#define IIM_PREV 0x0020
#define IIM_SREV 0x0024
#define IIM_PREG_P 0x0028
#define IIM_SCS0 0x002C
#define IIM_SCS1 0x0030
#define IIM_SCS2 0x0034
#define IIM_SCS3 0x0038
#ifdef CONFIG_IMX_IIM
int imx_iim_read(unsigned int bank, int offset, void *buf, int count);
#else
static inline int imx_iim_read(unsigned int bank, int offset, void *buf,
int count)
{
return -EINVAL;
}
#endif /* CONFIG_IMX_IIM */
static inline int imx51_iim_register_fec_ethaddr(void)
{
int ret;
u8 buf[6];
ret = imx_iim_read(1, 9, buf, 6);
if (ret != 6)
return -EINVAL;
eth_register_ethaddr(0, buf);
return 0;
}
static inline int imx53_iim_register_fec_ethaddr(void)
{
return imx51_iim_register_fec_ethaddr();
}
static inline int imx25_iim_register_fec_ethaddr(void)
{
int ret;
u8 buf[6];
ret = imx_iim_read(0, 26, buf, 6);
if (ret != 6)
return -EINVAL;
eth_register_ethaddr(0, buf);
return 0;
}
#define IIM_BANK_MASK_WIDTH 3
#define IIM_BANK_MASK_SHIFT 0
#define IIM_BANK(n) (((n) & ((1 << IIM_BANK_MASK_WIDTH) - 1)) << IIM_BANK_MASK_SHIFT)
#define IIM_BYTE_MASK_WIDTH 5
#define IIM_BYTE_MASK_SHIFT IIM_BANK_MASK_WIDTH
#define IIM_BYTE(n) ((((n) >> 2) & ((1 << IIM_BYTE_MASK_WIDTH) - 1)) << IIM_BYTE_MASK_SHIFT)
#define IIM_BIT_MASK_WIDTH 3
#define IIM_BIT_MASK_SHIFT (IIM_BYTE_MASK_SHIFT + IIM_BYTE_MASK_WIDTH)
#define IIM_BIT(n) (((n) & ((1 << IIM_BIT_MASK_WIDTH) - 1)) << IIM_BIT_MASK_SHIFT)
#define IIM_WIDTH_MASK_WIDTH 3
#define IIM_WIDTH_MASK_SHIFT (IIM_BIT_MASK_SHIFT + IIM_BIT_MASK_WIDTH)
#define IIM_WIDTH(n) ((((n) - 1) & ((1 << IIM_WIDTH_MASK_WIDTH) - 1)) << IIM_WIDTH_MASK_SHIFT)
int imx_iim_read_field(uint32_t field, unsigned *value);
int imx_iim_write_field(uint32_t field, unsigned value);
int imx_iim_permanent_write(int enable);
#endif /* __MACH_IMX_IIM_H */
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