2 * (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
4 * SPDX-License-Identifier: GPL-2.0+
8 #ifndef __MICROCHIP_PIC32_DDR_H
9 #define __MICROCHIP_PIC32_DDR_H
11 /* called by dram_init() function */
12 void ddr2_phy_init(void);
13 void ddr2_ctrl_init(void);
14 phys_size_t ddr2_calculate_size(void);
16 /* Maximum number of agents */
19 /* Board can provide agent specific parameters for arbitration by
20 * filling struct ddr2_arbiter_params for all the agents and
21 * implementing board_get_ddr_arbiter_params() to return the filled
24 struct ddr2_arbiter_params {
25 u32 min_limit; /* min bursts to execute per arbitration */
26 u32 req_period; /* request period threshold for accepted cmds */
27 u32 min_cmd_acpt; /* min number of accepted cmds */
30 const struct ddr2_arbiter_params *board_get_ddr_arbiter_params(void);
32 #endif /* __MICROCHIP_PIC32_DDR_H */