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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
*
*/
#ifndef __MICROCHIP_PIC32_DDR_H
#define __MICROCHIP_PIC32_DDR_H
/* called by dram_init() function */
void ddr2_phy_init(void);
void ddr2_ctrl_init(void);
phys_size_t ddr2_calculate_size(void);
/* Maximum number of agents */
#define NUM_AGENTS 5
/* Board can provide agent specific parameters for arbitration by
* filling struct ddr2_arbiter_params for all the agents and
* implementing board_get_ddr_arbiter_params() to return the filled
* structure.
*/
struct ddr2_arbiter_params {
u32 min_limit; /* min bursts to execute per arbitration */
u32 req_period; /* request period threshold for accepted cmds */
u32 min_cmd_acpt; /* min number of accepted cmds */
};
const struct ddr2_arbiter_params *board_get_ddr_arbiter_params(void);
#endif /* __MICROCHIP_PIC32_DDR_H */
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