[linux-2.6-block.git] / include / linux / stmmac.h

/*******************************************************************************

  Header file for stmmac platform data

  Copyright (C) 2009  STMicroelectronics Ltd

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
  version 2, as published by the Free Software Foundation.

  This program is distributed in the hope 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.,
  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.

  The full GNU General Public License is included in this distribution in
  the file called "COPYING".

  Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
*******************************************************************************/

#ifndef __STMMAC_PLATFORM_DATA
#define __STMMAC_PLATFORM_DATA

#include <linux/platform_device.h>

#define STMMAC_RX_COE_NONE	0
#define STMMAC_RX_COE_TYPE1	1
#define STMMAC_RX_COE_TYPE2	2

/* Define the macros for CSR clock range parameters to be passed by
 * platform code.
 * This could also be configured at run time using CPU freq framework. */

/* MDC Clock Selection define*/
#define	STMMAC_CSR_60_100M	0x0	/* MDC = clk_scr_i/42 */
#define	STMMAC_CSR_100_150M	0x1	/* MDC = clk_scr_i/62 */
#define	STMMAC_CSR_20_35M	0x2	/* MDC = clk_scr_i/16 */
#define	STMMAC_CSR_35_60M	0x3	/* MDC = clk_scr_i/26 */
#define	STMMAC_CSR_150_250M	0x4	/* MDC = clk_scr_i/102 */
#define	STMMAC_CSR_250_300M	0x5	/* MDC = clk_scr_i/122 */

/* The MDC clock could be set higher than the IEEE 802.3
 * specified frequency limit 0f 2.5 MHz, by programming a clock divider
 * of value different than the above defined values. The resultant MDIO
 * clock frequency of 12.5 MHz is applicable for the interfacing chips
 * supporting higher MDC clocks.
 * The MDC clock selection macros need to be defined for MDC clock rate
 * of 12.5 MHz, corresponding to the following selection.
 */
#define STMMAC_CSR_I_4		0x8	/* clk_csr_i/4 */
#define STMMAC_CSR_I_6		0x9	/* clk_csr_i/6 */
#define STMMAC_CSR_I_8		0xA	/* clk_csr_i/8 */
#define STMMAC_CSR_I_10		0xB	/* clk_csr_i/10 */
#define STMMAC_CSR_I_12		0xC	/* clk_csr_i/12 */
#define STMMAC_CSR_I_14		0xD	/* clk_csr_i/14 */
#define STMMAC_CSR_I_16		0xE	/* clk_csr_i/16 */
#define STMMAC_CSR_I_18		0xF	/* clk_csr_i/18 */

/* AXI DMA Burst length supported */
#define DMA_AXI_BLEN_4		(1 << 1)
#define DMA_AXI_BLEN_8		(1 << 2)
#define DMA_AXI_BLEN_16		(1 << 3)
#define DMA_AXI_BLEN_32		(1 << 4)
#define DMA_AXI_BLEN_64		(1 << 5)
#define DMA_AXI_BLEN_128	(1 << 6)
#define DMA_AXI_BLEN_256	(1 << 7)
#define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 \
			| DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 \
			| DMA_AXI_BLEN_128 | DMA_AXI_BLEN_256)

/* Platfrom data for platform device structure's platform_data field */

struct stmmac_mdio_bus_data {
	int (*phy_reset)(void *priv);
	unsigned int phy_mask;
	int *irqs;
	int probed_phy_irq;
#ifdef CONFIG_OF
	int reset_gpio, active_low;
	u32 delays[3];
#endif
};

struct stmmac_dma_cfg {
	int pbl;
	int fixed_burst;
	int mixed_burst;
	bool aal;
};

#define AXI_BLEN	7
struct stmmac_axi {
	bool axi_lpi_en;
	bool axi_xit_frm;
	u32 axi_wr_osr_lmt;
	u32 axi_rd_osr_lmt;
	bool axi_kbbe;
	bool axi_axi_all;
	u32 axi_blen[AXI_BLEN];
	bool axi_fb;
	bool axi_mb;
	bool axi_rb;
};

struct plat_stmmacenet_data {
	int bus_id;
	int phy_addr;
	int interface;
	struct stmmac_mdio_bus_data *mdio_bus_data;
	struct device_node *phy_node;
	struct device_node *mdio_node;
	struct stmmac_dma_cfg *dma_cfg;
	int clk_csr;
	int has_gmac;
	int enh_desc;
	int tx_coe;
	int rx_coe;
	int bugged_jumbo;
	int pmt;
	int force_sf_dma_mode;
	int force_thresh_dma_mode;
	int riwt_off;
	int max_speed;
	int maxmtu;
	int multicast_filter_bins;
	int unicast_filter_entries;
	int tx_fifo_size;
	int rx_fifo_size;
	void (*fix_mac_speed)(void *priv, unsigned int speed);
	void (*bus_setup)(void __iomem *ioaddr);
	int (*init)(struct platform_device *pdev, void *priv);
	void (*exit)(struct platform_device *pdev, void *priv);
	void *bsp_priv;
	struct stmmac_axi *axi;
};
#endif
Commit	Line	Data
3c9732c0 GC	1	/*******************************************************************************
	2
	3	Header file for stmmac platform data
	4
	5	Copyright (C) 2009 STMicroelectronics Ltd
	6
	7	This program is free software; you can redistribute it and/or modify it
	8	under the terms and conditions of the GNU General Public License,
	9	version 2, as published by the Free Software Foundation.
	10
	11	This program is distributed in the hope it will be useful, but WITHOUT
	12	ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	more details.
	15
	16	You should have received a copy of the GNU General Public License along with
	17	this program; if not, write to the Free Software Foundation, Inc.,
	18	51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
	19
	20	The full GNU General Public License is included in this distribution in
	21	the file called "COPYING".
	22
	23	Author: Giuseppe Cavallaro <peppe.cavallaro@st.com>
	24	*******************************************************************************/
	25
	26	#ifndef __STMMAC_PLATFORM_DATA
	27	#define __STMMAC_PLATFORM_DATA
	28
57a503c6 VK	29	#include <linux/platform_device.h>
57a503c6 VK	30
55f9a4d6 DS	31	#define STMMAC_RX_COE_NONE 0
	32	#define STMMAC_RX_COE_TYPE1 1
	33	#define STMMAC_RX_COE_TYPE2 2
	34
faeae3fa DS	35	/* Define the macros for CSR clock range parameters to be passed by
	36	* platform code.
	37	* This could also be configured at run time using CPU freq framework. */
	38
	39	/* MDC Clock Selection define*/
18f05d64 GC	40	#define STMMAC_CSR_60_100M 0x0 /* MDC = clk_scr_i/42 */
	41	#define STMMAC_CSR_100_150M 0x1 /* MDC = clk_scr_i/62 */
	42	#define STMMAC_CSR_20_35M 0x2 /* MDC = clk_scr_i/16 */
	43	#define STMMAC_CSR_35_60M 0x3 /* MDC = clk_scr_i/26 */
	44	#define STMMAC_CSR_150_250M 0x4 /* MDC = clk_scr_i/102 */
	45	#define STMMAC_CSR_250_300M 0x5 /* MDC = clk_scr_i/122 */
faeae3fa	46
18f05d64	47	/* The MDC clock could be set higher than the IEEE 802.3
faeae3fa DS	48	* specified frequency limit 0f 2.5 MHz, by programming a clock divider
	49	* of value different than the above defined values. The resultant MDIO
	50	* clock frequency of 12.5 MHz is applicable for the interfacing chips
	51	* supporting higher MDC clocks.
	52	* The MDC clock selection macros need to be defined for MDC clock rate
	53	* of 12.5 MHz, corresponding to the following selection.
18f05d64 GC	54	*/
	55	#define STMMAC_CSR_I_4 0x8 /* clk_csr_i/4 */
	56	#define STMMAC_CSR_I_6 0x9 /* clk_csr_i/6 */
	57	#define STMMAC_CSR_I_8 0xA /* clk_csr_i/8 */
	58	#define STMMAC_CSR_I_10 0xB /* clk_csr_i/10 */
	59	#define STMMAC_CSR_I_12 0xC /* clk_csr_i/12 */
	60	#define STMMAC_CSR_I_14 0xD /* clk_csr_i/14 */
	61	#define STMMAC_CSR_I_16 0xE /* clk_csr_i/16 */
	62	#define STMMAC_CSR_I_18 0xF /* clk_csr_i/18 */
faeae3fa	63
02582e9b	64	/* AXI DMA Burst length supported */
8327eb65 DS	65	#define DMA_AXI_BLEN_4 (1 << 1)
	66	#define DMA_AXI_BLEN_8 (1 << 2)
	67	#define DMA_AXI_BLEN_16 (1 << 3)
	68	#define DMA_AXI_BLEN_32 (1 << 4)
	69	#define DMA_AXI_BLEN_64 (1 << 5)
	70	#define DMA_AXI_BLEN_128 (1 << 6)
	71	#define DMA_AXI_BLEN_256 (1 << 7)
	72	#define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 \| DMA_AXI_BLEN_8 \| DMA_AXI_BLEN_16 \
	73	\| DMA_AXI_BLEN_32 \| DMA_AXI_BLEN_64 \
	74	\| DMA_AXI_BLEN_128 \| DMA_AXI_BLEN_256)
	75
36bcfe7d GC	76	/* Platfrom data for platform device structure's platform_data field */
	77
	78	struct stmmac_mdio_bus_data {
36bcfe7d GC	79	int (phy_reset)(void priv);
	80	unsigned int phy_mask;
	81	int *irqs;
	82	int probed_phy_irq;
0e076471 SK	83	#ifdef CONFIG_OF
	84	int reset_gpio, active_low;
	85	u32 delays[3];
	86	#endif
36bcfe7d	87	};
3c9732c0	88
8327eb65 DS	89	struct stmmac_dma_cfg {
	90	int pbl;
	91	int fixed_burst;
b9cde0a8	92	int mixed_burst;
afea0365 GC	93	bool aal;
	94	};
	95
	96	#define AXI_BLEN 7
	97	struct stmmac_axi {
	98	bool axi_lpi_en;
	99	bool axi_xit_frm;
	100	u32 axi_wr_osr_lmt;
	101	u32 axi_rd_osr_lmt;
	102	bool axi_kbbe;
	103	bool axi_axi_all;
	104	u32 axi_blen[AXI_BLEN];
	105	bool axi_fb;
	106	bool axi_mb;
	107	bool axi_rb;
8327eb65 DS	108	};
8327eb65 DS	109
3c9732c0 GC	110	struct plat_stmmacenet_data {
3c9732c0 GC	111	int bus_id;
36bcfe7d GC	112	int phy_addr;
	113	int interface;
	114	struct stmmac_mdio_bus_data *mdio_bus_data;
5790cf3c	115	struct device_node *phy_node;
a7657f12	116	struct device_node *mdio_node;
8327eb65	117	struct stmmac_dma_cfg *dma_cfg;
dfb8fb96	118	int clk_csr;
3c9732c0	119	int has_gmac;
e326e850	120	int enh_desc;
ebbb293f	121	int tx_coe;
55f9a4d6	122	int rx_coe;
ebbb293f	123	int bugged_jumbo;
543876c9	124	int pmt;
61b8013a	125	int force_sf_dma_mode;
e2a240c7	126	int force_thresh_dma_mode;
62a2ab93	127	int riwt_off;
9cbadf09	128	int max_speed;
2618abb7	129	int maxmtu;
3b57de95 VB	130	int multicast_filter_bins;
3b57de95 VB	131	int unicast_filter_entries;
e7877f52 VB	132	int tx_fifo_size;
e7877f52 VB	133	int rx_fifo_size;
3c9732c0	134	void (fix_mac_speed)(void priv, unsigned int speed);
ad01b7d4	135	void (bus_setup)(void __iomem ioaddr);
938dfdaa CYT	136	int (init)(struct platform_device pdev, void *priv);
938dfdaa CYT	137	void (exit)(struct platform_device pdev, void *priv);
3c9732c0	138	void *bsp_priv;
afea0365	139	struct stmmac_axi *axi;
3c9732c0	140	};
3c9732c0	141	#endif