u-boot/arch/mips/mach-pic32/include/mach/ddr.h
Simon Glass f1683aa73c board_f: Rename initdram() to dram_init()
This allows us to use the same DRAM init function on all archs. Add a
dummy function for arc, which does not use DRAM init here.

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Dummy function on nios2]
Signed-off-by: Tom Rini <trini@konsulko.com>
2017-04-13 09:40:57 -04:00

32 lines
895 B
C

/*
* (c) 2015 Purna Chandra Mandal <purna.mandal@microchip.com>
*
* SPDX-License-Identifier: GPL-2.0+
*
*/
#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 */