u-boot/arch/arm/include/asm/arch-rockchip/sdram_msch.h
Jagan Teki e869b3485c ram: rockchip: Add rv1126 ddr driver support
Add DDR driver for Rockchip RV1126 SoC.

Signed-off-by: YouMin Chen <cym@rock-chips.com>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2023-01-16 18:01:10 +08:00

97 lines
1.7 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2019 Rockchip Electronics Co., Ltd
*/
#ifndef _ASM_ARCH_SDRAM_MSCH_H
#define _ASM_ARCH_SDRAM_MSCH_H
union noc_ddrtiminga0 {
u32 d32;
struct {
unsigned acttoact : 6;
unsigned reserved0 : 2;
unsigned rdtomiss : 6;
unsigned reserved1 : 2;
unsigned wrtomiss : 6;
unsigned reserved2 : 2;
unsigned readlatency : 8;
} b;
};
union noc_ddrtimingb0 {
u32 d32;
struct {
unsigned rdtowr : 5;
unsigned reserved0 : 3;
unsigned wrtord : 5;
unsigned reserved1 : 3;
unsigned rrd : 4;
unsigned reserved2 : 4;
unsigned faw : 6;
unsigned reserved3 : 2;
} b;
};
union noc_ddrtimingc0 {
u32 d32;
struct {
unsigned burstpenalty : 4;
unsigned reserved0 : 4;
unsigned wrtomwr : 6;
unsigned reserved1 : 18;
} b;
};
union noc_devtodev0 {
u32 d32;
struct {
unsigned busrdtord : 3;
unsigned reserved0 : 1;
unsigned busrdtowr : 3;
unsigned reserved1 : 1;
unsigned buswrtord : 3;
unsigned reserved2 : 1;
unsigned buswrtowr : 3;
unsigned reserved3 : 17;
} b;
};
union noc_devtodev_rv1126 {
u32 d32;
struct {
unsigned busrdtord : 3;
unsigned reserved0 : 1;
unsigned busrdtowr : 4;
unsigned buswrtord : 4;
unsigned buswrtowr : 3;
unsigned reserved2 : 17;
} b;
};
union noc_ddrmode {
u32 d32;
struct {
unsigned autoprecharge : 1;
unsigned bypassfiltering : 1;
unsigned fawbank : 1;
unsigned burstsize : 2;
unsigned mwrsize : 2;
unsigned reserved2 : 1;
unsigned forceorder : 8;
unsigned forceorderstate : 8;
unsigned reserved3 : 8;
} b;
};
union noc_ddr4timing {
u32 d32;
struct {
unsigned ccdl : 3;
unsigned wrtordl : 5;
unsigned rrdl : 4;
unsigned reserved1 : 20;
} b;
};
#endif