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 29 #include <linux/platform_device.h> 30 31 #define MTL_MAX_RX_QUEUES 8 32 #define MTL_MAX_TX_QUEUES 8 33 34 #define STMMAC_RX_COE_NONE 0 35 #define STMMAC_RX_COE_TYPE1 1 36 #define STMMAC_RX_COE_TYPE2 2 37 38 /* Define the macros for CSR clock range parameters to be passed by 39 * platform code. 40 * This could also be configured at run time using CPU freq framework. */ 41 42 /* MDC Clock Selection define*/ 43 #define STMMAC_CSR_60_100M 0x0 /* MDC = clk_scr_i/42 */ 44 #define STMMAC_CSR_100_150M 0x1 /* MDC = clk_scr_i/62 */ 45 #define STMMAC_CSR_20_35M 0x2 /* MDC = clk_scr_i/16 */ 46 #define STMMAC_CSR_35_60M 0x3 /* MDC = clk_scr_i/26 */ 47 #define STMMAC_CSR_150_250M 0x4 /* MDC = clk_scr_i/102 */ 48 #define STMMAC_CSR_250_300M 0x5 /* MDC = clk_scr_i/122 */ 49 50 /* MTL algorithms identifiers */ 51 #define MTL_TX_ALGORITHM_WRR 0x0 52 #define MTL_TX_ALGORITHM_WFQ 0x1 53 #define MTL_TX_ALGORITHM_DWRR 0x2 54 #define MTL_TX_ALGORITHM_SP 0x3 55 #define MTL_RX_ALGORITHM_SP 0x4 56 #define MTL_RX_ALGORITHM_WSP 0x5 57 58 /* RX/TX Queue Mode */ 59 #define MTL_QUEUE_AVB 0x0 60 #define MTL_QUEUE_DCB 0x1 61 62 /* The MDC clock could be set higher than the IEEE 802.3 63 * specified frequency limit 0f 2.5 MHz, by programming a clock divider 64 * of value different than the above defined values. The resultant MDIO 65 * clock frequency of 12.5 MHz is applicable for the interfacing chips 66 * supporting higher MDC clocks. 67 * The MDC clock selection macros need to be defined for MDC clock rate 68 * of 12.5 MHz, corresponding to the following selection. 69 */ 70 #define STMMAC_CSR_I_4 0x8 /* clk_csr_i/4 */ 71 #define STMMAC_CSR_I_6 0x9 /* clk_csr_i/6 */ 72 #define STMMAC_CSR_I_8 0xA /* clk_csr_i/8 */ 73 #define STMMAC_CSR_I_10 0xB /* clk_csr_i/10 */ 74 #define STMMAC_CSR_I_12 0xC /* clk_csr_i/12 */ 75 #define STMMAC_CSR_I_14 0xD /* clk_csr_i/14 */ 76 #define STMMAC_CSR_I_16 0xE /* clk_csr_i/16 */ 77 #define STMMAC_CSR_I_18 0xF /* clk_csr_i/18 */ 78 79 /* AXI DMA Burst length supported */ 80 #define DMA_AXI_BLEN_4 (1 << 1) 81 #define DMA_AXI_BLEN_8 (1 << 2) 82 #define DMA_AXI_BLEN_16 (1 << 3) 83 #define DMA_AXI_BLEN_32 (1 << 4) 84 #define DMA_AXI_BLEN_64 (1 << 5) 85 #define DMA_AXI_BLEN_128 (1 << 6) 86 #define DMA_AXI_BLEN_256 (1 << 7) 87 #define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 \ 88 | DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 \ 89 | DMA_AXI_BLEN_128 | DMA_AXI_BLEN_256) 90 91 /* Platfrom data for platform device structure's platform_data field */ 92 93 struct stmmac_mdio_bus_data { 94 int (*phy_reset)(void *priv); 95 unsigned int phy_mask; 96 int *irqs; 97 int probed_phy_irq; 98 #ifdef CONFIG_OF 99 int reset_gpio, active_low; 100 u32 delays[3]; 101 #endif 102 }; 103 104 struct stmmac_dma_cfg { 105 int pbl; 106 int txpbl; 107 int rxpbl; 108 bool pblx8; 109 int fixed_burst; 110 int mixed_burst; 111 bool aal; 112 }; 113 114 #define AXI_BLEN 7 115 struct stmmac_axi { 116 bool axi_lpi_en; 117 bool axi_xit_frm; 118 u32 axi_wr_osr_lmt; 119 u32 axi_rd_osr_lmt; 120 bool axi_kbbe; 121 u32 axi_blen[AXI_BLEN]; 122 bool axi_fb; 123 bool axi_mb; 124 bool axi_rb; 125 }; 126 127 struct stmmac_rxq_cfg { 128 u8 mode_to_use; 129 u8 chan; 130 u8 pkt_route; 131 bool use_prio; 132 u32 prio; 133 }; 134 135 struct stmmac_txq_cfg { 136 u8 weight; 137 u8 mode_to_use; 138 /* Credit Base Shaper parameters */ 139 u32 send_slope; 140 u32 idle_slope; 141 u32 high_credit; 142 u32 low_credit; 143 bool use_prio; 144 u32 prio; 145 }; 146 147 struct plat_stmmacenet_data { 148 int bus_id; 149 int phy_addr; 150 int interface; 151 struct stmmac_mdio_bus_data *mdio_bus_data; 152 struct device_node *phy_node; 153 struct device_node *mdio_node; 154 struct stmmac_dma_cfg *dma_cfg; 155 int clk_csr; 156 int has_gmac; 157 int enh_desc; 158 int tx_coe; 159 int rx_coe; 160 int bugged_jumbo; 161 int pmt; 162 int force_sf_dma_mode; 163 int force_thresh_dma_mode; 164 int riwt_off; 165 int max_speed; 166 int maxmtu; 167 int multicast_filter_bins; 168 int unicast_filter_entries; 169 int tx_fifo_size; 170 int rx_fifo_size; 171 u8 rx_queues_to_use; 172 u8 tx_queues_to_use; 173 u8 rx_sched_algorithm; 174 u8 tx_sched_algorithm; 175 struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES]; 176 struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES]; 177 void (*fix_mac_speed)(void *priv, unsigned int speed); 178 int (*init)(struct platform_device *pdev, void *priv); 179 void (*exit)(struct platform_device *pdev, void *priv); 180 struct mac_device_info *(*setup)(void *priv); 181 void *bsp_priv; 182 struct clk *stmmac_clk; 183 struct clk *pclk; 184 struct clk *clk_ptp_ref; 185 unsigned int clk_ptp_rate; 186 struct reset_control *stmmac_rst; 187 struct stmmac_axi *axi; 188 int has_gmac4; 189 bool has_sun8i; 190 bool tso_en; 191 int mac_port_sel_speed; 192 bool en_tx_lpi_clockgating; 193 }; 194 #endif 195