u-boot/arch/arm/include/asm/arch-vf610/ddrmc-vf610.h
Albert ARIBAUD \\(3ADEV\\) 3f353ceccb vf610: refactor DDRMC code
The VF610 DDRMC driver code contains settings which are
board-specific. Move these out to boards so that new boards
can define their own without having to modify the driver.

Signed-off-by: Albert ARIBAUD (3ADEV) <albert.aribaud@3adev.fr>
2015-10-02 10:42:31 +02:00

83 lines
1.3 KiB
C

/*
* Copyright (C) 2015
* Toradex, Inc.
*
* Authors: Stefan Agner
* Sanchayan Maity
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_ARCH_VF610_DDRMC_H
#define __ASM_ARCH_VF610_DDRMC_H
struct ddr3_jedec_timings {
u8 tinit;
u32 trst_pwron;
u32 cke_inactive;
u8 wrlat;
u8 caslat_lin;
u8 trc;
u8 trrd;
u8 tccd;
u8 tbst_int_interval;
u8 tfaw;
u8 trp;
u8 twtr;
u8 tras_min;
u8 tmrd;
u8 trtp;
u32 tras_max;
u8 tmod;
u8 tckesr;
u8 tcke;
u8 trcd_int;
u8 tras_lockout;
u8 tdal;
u8 bstlen;
u16 tdll;
u8 trp_ab;
u16 tref;
u8 trfc;
u16 tref_int;
u8 tpdex;
u8 txpdll;
u8 txsnr;
u16 txsr;
u8 cksrx;
u8 cksre;
u8 freq_chg_en;
u16 zqcl;
u16 zqinit;
u8 zqcs;
u8 ref_per_zq;
u8 zqcs_rotate;
u8 aprebit;
u8 cmd_age_cnt;
u8 age_cnt;
u8 q_fullness;
u8 odt_rd_mapcs0;
u8 odt_wr_mapcs0;
u8 wlmrd;
u8 wldqsen;
};
struct ddrmc_cr_setting {
u32 setting;
int cr_rnum; /* CR register ; -1 for last entry */
};
struct ddrmc_phy_setting {
u32 setting;
int phy_rnum; /* PHY register ; -1 for last entry */
};
void ddrmc_setup_iomux(const iomux_v3_cfg_t *pads, int pads_count);
void ddrmc_phy_init(void);
void ddrmc_ctrl_init_ddr3(struct ddr3_jedec_timings const *timings,
struct ddrmc_cr_setting *board_cr_settings,
struct ddrmc_phy_setting *board_phy_settings,
int col_diff, int row_diff);
#endif