diff options
Diffstat (limited to 'arch/arm/include/asm/arch-vf610/ddrmc-vf610.h')
| -rw-r--r-- | arch/arm/include/asm/arch-vf610/ddrmc-vf610.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-vf610/ddrmc-vf610.h b/arch/arm/include/asm/arch-vf610/ddrmc-vf610.h new file mode 100644 index 0000000..03e3cec --- /dev/null +++ b/arch/arm/include/asm/arch-vf610/ddrmc-vf610.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2015 + * Toradex, Inc. + * + * Authors: Stefan Agner + * Sanchayan Maity + */ + +#ifndef __ASM_ARCH_VF610_DDRMC_H +#define __ASM_ARCH_VF610_DDRMC_H + +#include <asm/arch/iomux-vf610.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 |