diff options
| -rw-r--r-- | drivers/ram/renesas/dbsc5/dram.c | 48 | ||||
| -rw-r--r-- | include/dbsc5.h | 56 |
2 files changed, 57 insertions, 47 deletions
diff --git a/drivers/ram/renesas/dbsc5/dram.c b/drivers/ram/renesas/dbsc5/dram.c index c5c57858aac..6f78afb0ab5 100644 --- a/drivers/ram/renesas/dbsc5/dram.c +++ b/drivers/ram/renesas/dbsc5/dram.c @@ -4,6 +4,7 @@ */ #include <asm/io.h> +#include <dbsc5.h> #include <dm.h> #include <errno.h> #include <hang.h> @@ -12,13 +13,6 @@ #include <linux/sizes.h> #include "dbsc5.h" -/* The number of channels V4H has */ -#define DRAM_CH_CNT 4 -/* The number of slices V4H has */ -#define SLICE_CNT 2 -/* The number of chip select V4H has */ -#define CS_CNT 2 - /* Number of array elements in Data Slice */ #define DDR_PHY_SLICE_REGSET_SIZE_V4H 0x100 /* Number of array elements in Data Slice */ @@ -1375,46 +1369,6 @@ static const u32 PI_DARRAY3_1_CSx_Fx[CS_CNT][3] = { #define CLK_DIV(a, diva, b, divb) (((a) * (divb)) / ((b) * (diva))) -struct renesas_dbsc5_board_config { - /* Channels in use */ - u8 bdcfg_phyvalid; - /* Read vref (SoC) training range */ - u32 bdcfg_vref_r; - /* Write vref (MR14, MR15) training range */ - u16 bdcfg_vref_w; - /* CA vref (MR12) training range */ - u16 bdcfg_vref_ca; - /* RFM required check */ - bool bdcfg_rfm_chk; - - /* Board parameter about channels */ - struct { - /* - * 0x00: 4Gb dual channel die / 2Gb single channel die - * 0x01: 6Gb dual channel die / 3Gb single channel die - * 0x02: 8Gb dual channel die / 4Gb single channel die - * 0x03: 12Gb dual channel die / 6Gb single channel die - * 0x04: 16Gb dual channel die / 8Gb single channel die - * 0x05: 24Gb dual channel die / 12Gb single channel die - * 0x06: 32Gb dual channel die / 16Gb single channel die - * 0x07: 24Gb single channel die - * 0x08: 32Gb single channel die - * 0xFF: NO_MEMORY - */ - u8 bdcfg_ddr_density[CS_CNT]; - /* SoC caX([6][5][4][3][2][1][0]) -> MEM caY: */ - u32 bdcfg_ca_swap; - /* SoC dqsX([1][0]) -> MEM dqsY: */ - u8 bdcfg_dqs_swap; - /* SoC dq([7][6][5][4][3][2][1][0]) -> MEM dqY/dm: (8 means DM) */ - u32 bdcfg_dq_swap[SLICE_CNT]; - /* SoC dm -> MEM dqY/dm: (8 means DM) */ - u8 bdcfg_dm_swap[SLICE_CNT]; - /* SoC ckeX([1][0]) -> MEM csY */ - u8 bdcfg_cs_swap; - } ch[4]; -}; - struct renesas_dbsc5_dram_priv { void __iomem *regs; void __iomem *cpg_regs; diff --git a/include/dbsc5.h b/include/dbsc5.h new file mode 100644 index 00000000000..cec937d89e7 --- /dev/null +++ b/include/dbsc5.h @@ -0,0 +1,56 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2024-2025 Renesas Electronics Corp. + */ + +#ifndef __INCLUDE_DBSC5_H__ +#define __INCLUDE_DBSC5_H__ + +/* The number of channels V4H has */ +#define DRAM_CH_CNT 4 +/* The number of slices V4H has */ +#define SLICE_CNT 2 +/* The number of chip select V4H has */ +#define CS_CNT 2 + +struct renesas_dbsc5_board_config { + /* Channels in use */ + u8 bdcfg_phyvalid; + /* Read vref (SoC) training range */ + u32 bdcfg_vref_r; + /* Write vref (MR14, MR15) training range */ + u16 bdcfg_vref_w; + /* CA vref (MR12) training range */ + u16 bdcfg_vref_ca; + /* RFM required check */ + bool bdcfg_rfm_chk; + + /* Board parameter about channels */ + struct { + /* + * 0x00: 4Gb dual channel die / 2Gb single channel die + * 0x01: 6Gb dual channel die / 3Gb single channel die + * 0x02: 8Gb dual channel die / 4Gb single channel die + * 0x03: 12Gb dual channel die / 6Gb single channel die + * 0x04: 16Gb dual channel die / 8Gb single channel die + * 0x05: 24Gb dual channel die / 12Gb single channel die + * 0x06: 32Gb dual channel die / 16Gb single channel die + * 0x07: 24Gb single channel die + * 0x08: 32Gb single channel die + * 0xFF: NO_MEMORY + */ + u8 bdcfg_ddr_density[CS_CNT]; + /* SoC caX([6][5][4][3][2][1][0]) -> MEM caY: */ + u32 bdcfg_ca_swap; + /* SoC dqsX([1][0]) -> MEM dqsY: */ + u8 bdcfg_dqs_swap; + /* SoC dq([7][6][5][4][3][2][1][0]) -> MEM dqY/dm: (8 means DM) */ + u32 bdcfg_dq_swap[SLICE_CNT]; + /* SoC dm -> MEM dqY/dm: (8 means DM) */ + u8 bdcfg_dm_swap[SLICE_CNT]; + /* SoC ckeX([1][0]) -> MEM csY */ + u8 bdcfg_cs_swap; + } ch[4]; +}; + +#endif /* __INCLUDE_DBSC5_H__ */ |