1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*******************************************************************************
4 Header file for stmmac platform data
6 Copyright (C) 2009 STMicroelectronics Ltd
10 *******************************************************************************/
12 #ifndef __STMMAC_PLATFORM_DATA
13 #define __STMMAC_PLATFORM_DATA
15 #include <linux/platform_device.h>
17 #define MTL_MAX_RX_QUEUES 8
18 #define MTL_MAX_TX_QUEUES 8
19 #define STMMAC_CH_MAX 8
21 #define STMMAC_RX_COE_NONE 0
22 #define STMMAC_RX_COE_TYPE1 1
23 #define STMMAC_RX_COE_TYPE2 2
25 /* Define the macros for CSR clock range parameters to be passed by
27 * This could also be configured at run time using CPU freq framework. */
29 /* MDC Clock Selection define*/
30 #define STMMAC_CSR_60_100M 0x0 /* MDC = clk_scr_i/42 */
31 #define STMMAC_CSR_100_150M 0x1 /* MDC = clk_scr_i/62 */
32 #define STMMAC_CSR_20_35M 0x2 /* MDC = clk_scr_i/16 */
33 #define STMMAC_CSR_35_60M 0x3 /* MDC = clk_scr_i/26 */
34 #define STMMAC_CSR_150_250M 0x4 /* MDC = clk_scr_i/102 */
35 #define STMMAC_CSR_250_300M 0x5 /* MDC = clk_scr_i/122 */
37 /* MTL algorithms identifiers */
38 #define MTL_TX_ALGORITHM_WRR 0x0
39 #define MTL_TX_ALGORITHM_WFQ 0x1
40 #define MTL_TX_ALGORITHM_DWRR 0x2
41 #define MTL_TX_ALGORITHM_SP 0x3
42 #define MTL_RX_ALGORITHM_SP 0x4
43 #define MTL_RX_ALGORITHM_WSP 0x5
45 /* RX/TX Queue Mode */
46 #define MTL_QUEUE_AVB 0x0
47 #define MTL_QUEUE_DCB 0x1
49 /* The MDC clock could be set higher than the IEEE 802.3
50 * specified frequency limit 0f 2.5 MHz, by programming a clock divider
51 * of value different than the above defined values. The resultant MDIO
52 * clock frequency of 12.5 MHz is applicable for the interfacing chips
53 * supporting higher MDC clocks.
54 * The MDC clock selection macros need to be defined for MDC clock rate
55 * of 12.5 MHz, corresponding to the following selection.
57 #define STMMAC_CSR_I_4 0x8 /* clk_csr_i/4 */
58 #define STMMAC_CSR_I_6 0x9 /* clk_csr_i/6 */
59 #define STMMAC_CSR_I_8 0xA /* clk_csr_i/8 */
60 #define STMMAC_CSR_I_10 0xB /* clk_csr_i/10 */
61 #define STMMAC_CSR_I_12 0xC /* clk_csr_i/12 */
62 #define STMMAC_CSR_I_14 0xD /* clk_csr_i/14 */
63 #define STMMAC_CSR_I_16 0xE /* clk_csr_i/16 */
64 #define STMMAC_CSR_I_18 0xF /* clk_csr_i/18 */
66 /* AXI DMA Burst length supported */
67 #define DMA_AXI_BLEN_4 (1 << 1)
68 #define DMA_AXI_BLEN_8 (1 << 2)
69 #define DMA_AXI_BLEN_16 (1 << 3)
70 #define DMA_AXI_BLEN_32 (1 << 4)
71 #define DMA_AXI_BLEN_64 (1 << 5)
72 #define DMA_AXI_BLEN_128 (1 << 6)
73 #define DMA_AXI_BLEN_256 (1 << 7)
74 #define DMA_AXI_BLEN_ALL (DMA_AXI_BLEN_4 | DMA_AXI_BLEN_8 | DMA_AXI_BLEN_16 \
75 | DMA_AXI_BLEN_32 | DMA_AXI_BLEN_64 \
76 | DMA_AXI_BLEN_128 | DMA_AXI_BLEN_256)
78 /* Platfrom data for platform device structure's platform_data field */
80 struct stmmac_mdio_bus_data {
81 unsigned int phy_mask;
86 struct stmmac_dma_cfg {
103 u32 axi_blen[AXI_BLEN];
109 struct stmmac_rxq_cfg {
117 struct stmmac_txq_cfg {
120 /* Credit Base Shaper parameters */
129 struct plat_stmmacenet_data {
133 struct stmmac_mdio_bus_data *mdio_bus_data;
134 struct device_node *phy_node;
135 struct device_node *phylink_node;
136 struct device_node *mdio_node;
137 struct stmmac_dma_cfg *dma_cfg;
145 int force_sf_dma_mode;
146 int force_thresh_dma_mode;
150 int multicast_filter_bins;
151 int unicast_filter_entries;
154 u32 rx_queues_to_use;
155 u32 tx_queues_to_use;
156 u8 rx_sched_algorithm;
157 u8 tx_sched_algorithm;
158 struct stmmac_rxq_cfg rx_queues_cfg[MTL_MAX_RX_QUEUES];
159 struct stmmac_txq_cfg tx_queues_cfg[MTL_MAX_TX_QUEUES];
160 void (*fix_mac_speed)(void *priv, unsigned int speed);
161 int (*init)(struct platform_device *pdev, void *priv);
162 void (*exit)(struct platform_device *pdev, void *priv);
163 struct mac_device_info *(*setup)(void *priv);
165 struct clk *stmmac_clk;
167 struct clk *clk_ptp_ref;
168 unsigned int clk_ptp_rate;
169 unsigned int clk_ref_rate;
170 struct reset_control *stmmac_rst;
171 struct stmmac_axi *axi;
175 int mac_port_sel_speed;
176 bool en_tx_lpi_clockgating;