Release 4.7 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;
int has_gmac4;
bool tso_en;
};
#endif
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