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#ifndef __MACH_MMDC_H
#define __MACH_MMDC_H
#include <mach/imx6-regs.h>
#define P0_IPS (void __iomem *)MX6_MMDC_P0_BASE_ADDR
#define P1_IPS (void __iomem *)MX6_MMDC_P1_BASE_ADDR
#define MDCTL 0x000
#define MDPDC 0x004
#define MDSCR 0x01c
#define MDMISC 0x018
#define MDREF 0x020
#define MAPSR 0x404
#define MPZQHWCTRL 0x800
#define MPWLGCR 0x808
#define MPWLDECTRL0 0x80c
#define MPWLDECTRL1 0x810
#define MPPDCMPR1 0x88c
#define MPSWDAR 0x894
#define MPRDDLCTL 0x848
#define MPMUR 0x8b8
#define MPDGCTRL0 0x83c
#define MPDGCTRL1 0x840
#define MPRDDLCTL 0x848
#define MPWRDLCTL 0x850
#define MPRDDLHWCTL 0x860
#define MPWRDLHWCTL 0x864
#define MPDGHWST0 0x87c
#define MPDGHWST1 0x880
#define MPDGHWST2 0x884
#define MPDGHWST3 0x888
#define MMDCx_MDCTL_SDE0 0x80000000
#define MMDCx_MDCTL_SDE1 0x40000000
#define MMDCx_MDCTL_DSIZ_16B 0x00000000
#define MMDCx_MDCTL_DSIZ_32B 0x00010000
#define MMDCx_MDCTL_DSIZ_64B 0x00020000
#define MMDCx_MDMISC_DDR_4_BANKS 0x00000020
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x5a8)
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x5b0)
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS2 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x524)
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS3 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x51c)
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS4 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x518)
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS5 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x50c)
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS6 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x5b8)
#define IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS7 ((void __iomem *)MX6_IOMUXC_BASE_ADDR + 0x5c0)
int mmdc_do_write_level_calibration(void);
int mmdc_do_dqs_calibration(void);
void mmdc_print_calibration_results(void);
/* MMDC P0/P1 Registers */
struct mmdc_p_regs {
u32 mdctl;
u32 mdpdc;
u32 mdotc;
u32 mdcfg0;
u32 mdcfg1;
u32 mdcfg2;
u32 mdmisc;
u32 mdscr;
u32 mdref;
u32 res1[2];
u32 mdrwd;
u32 mdor;
u32 res2[3];
u32 mdasp;
u32 res3[240];
u32 mapsr;
u32 res4[254];
u32 mpzqhwctrl;
u32 res5[2];
u32 mpwldectrl0;
u32 mpwldectrl1;
u32 res6;
u32 mpodtctrl;
u32 mprddqby0dl;
u32 mprddqby1dl;
u32 mprddqby2dl;
u32 mprddqby3dl;
u32 res7[4];
u32 mpdgctrl0;
u32 mpdgctrl1;
u32 res8;
u32 mprddlctl;
u32 res9;
u32 mpwrdlctl;
u32 res10[25];
u32 mpmur0;
};
#define MX6SX_IOM_DDR_BASE 0x020e0200
struct mx6sx_iomux_ddr_regs {
u32 res1[59];
u32 dram_dqm0;
u32 dram_dqm1;
u32 dram_dqm2;
u32 dram_dqm3;
u32 dram_ras;
u32 dram_cas;
u32 res2[2];
u32 dram_sdwe_b;
u32 dram_odt0;
u32 dram_odt1;
u32 dram_sdba0;
u32 dram_sdba1;
u32 dram_sdba2;
u32 dram_sdcke0;
u32 dram_sdcke1;
u32 dram_sdclk_0;
u32 dram_sdqs0;
u32 dram_sdqs1;
u32 dram_sdqs2;
u32 dram_sdqs3;
u32 dram_reset;
};
#define MX6SX_IOM_GRP_BASE 0x020e0500
struct mx6sx_iomux_grp_regs {
u32 res1[61];
u32 grp_addds;
u32 grp_ddrmode_ctl;
u32 grp_ddrpke;
u32 grp_ddrpk;
u32 grp_ddrhys;
u32 grp_ddrmode;
u32 grp_b0ds;
u32 grp_b1ds;
u32 grp_ctlds;
u32 grp_ddr_type;
u32 grp_b2ds;
u32 grp_b3ds;
};
/*
* MMDC iomux registers (pinctl/padctl) - (different for IMX6DQ vs IMX6SDL)
*/
#define MX6DQ_IOM_DDR_BASE 0x020e0500
struct mx6dq_iomux_ddr_regs {
u32 res1[3];
u32 dram_sdqs5;
u32 dram_dqm5;
u32 dram_dqm4;
u32 dram_sdqs4;
u32 dram_sdqs3;
u32 dram_dqm3;
u32 dram_sdqs2;
u32 dram_dqm2;
u32 res2[16];
u32 dram_cas;
u32 res3[2];
u32 dram_ras;
u32 dram_reset;
u32 res4[2];
u32 dram_sdclk_0;
u32 dram_sdba2;
u32 dram_sdcke0;
u32 dram_sdclk_1;
u32 dram_sdcke1;
u32 dram_sdodt0;
u32 dram_sdodt1;
u32 res5;
u32 dram_sdqs0;
u32 dram_dqm0;
u32 dram_sdqs1;
u32 dram_dqm1;
u32 dram_sdqs6;
u32 dram_dqm6;
u32 dram_sdqs7;
u32 dram_dqm7;
};
#define MX6DQ_IOM_GRP_BASE 0x020e0700
struct mx6dq_iomux_grp_regs {
u32 res1[18];
u32 grp_b7ds;
u32 grp_addds;
u32 grp_ddrmode_ctl;
u32 res2;
u32 grp_ddrpke;
u32 res3[6];
u32 grp_ddrmode;
u32 res4[3];
u32 grp_b0ds;
u32 grp_b1ds;
u32 grp_ctlds;
u32 res5;
u32 grp_b2ds;
u32 grp_ddr_type;
u32 grp_b3ds;
u32 grp_b4ds;
u32 grp_b5ds;
u32 grp_b6ds;
};
#define MX6SDL_IOM_DDR_BASE 0x020e0400
struct mx6sdl_iomux_ddr_regs {
u32 res1[25];
u32 dram_cas;
u32 res2[2];
u32 dram_dqm0;
u32 dram_dqm1;
u32 dram_dqm2;
u32 dram_dqm3;
u32 dram_dqm4;
u32 dram_dqm5;
u32 dram_dqm6;
u32 dram_dqm7;
u32 dram_ras;
u32 dram_reset;
u32 res3[2];
u32 dram_sdba2;
u32 dram_sdcke0;
u32 dram_sdcke1;
u32 dram_sdclk_0;
u32 dram_sdclk_1;
u32 dram_sdodt0;
u32 dram_sdodt1;
u32 dram_sdqs0;
u32 dram_sdqs1;
u32 dram_sdqs2;
u32 dram_sdqs3;
u32 dram_sdqs4;
u32 dram_sdqs5;
u32 dram_sdqs6;
u32 dram_sdqs7;
};
#define MX6SDL_IOM_GRP_BASE 0x020e0700
struct mx6sdl_iomux_grp_regs {
u32 res1[18];
u32 grp_b7ds;
u32 grp_addds;
u32 grp_ddrmode_ctl;
u32 grp_ddrpke;
u32 res2[2];
u32 grp_ddrmode;
u32 grp_b0ds;
u32 res3;
u32 grp_ctlds;
u32 grp_b1ds;
u32 grp_ddr_type;
u32 grp_b2ds;
u32 grp_b3ds;
u32 grp_b4ds;
u32 grp_b5ds;
u32 res4;
u32 grp_b6ds;
};
/* Device Information: Varies per DDR3 part number and speed grade */
struct mx6_ddr3_cfg {
u16 mem_speed; /* ie 1600 for DDR3-1600 (800,1066,1333,1600) */
u8 density; /* chip density (Gb) (1,2,4,8) */
u8 width; /* bus width (bits) (4,8,16) */
u8 banks; /* number of banks */
u8 rowaddr; /* row address bits (11-16)*/
u8 coladdr; /* col address bits (9-12) */
u8 pagesz; /* page size (K) (1-2) */
u16 trcd; /* tRCD=tRP=CL (ns*100) */
u16 trcmin; /* tRC min (ns*100) */
u16 trasmin; /* tRAS min (ns*100) */
u8 SRT; /* self-refresh temperature: 0=normal, 1=extended */
};
/* System Information: Varies per board design, layout, and term choices */
struct mx6_ddr_sysinfo {
u8 dsize; /* size of bus (in dwords: 0=16bit,1=32bit,2=64bit) */
u8 cs_density; /* density per chip select (Gb) */
u8 ncs; /* number chip selects used (1|2) */
char cs1_mirror;/* enable address mirror (0|1) */
char bi_on; /* Bank interleaving enable */
u8 rtt_nom; /* Rtt_Nom (DDR3_RTT_*) */
u8 rtt_wr; /* Rtt_Wr (DDR3_RTT_*) */
u8 ralat; /* Read Additional Latency (0-7) */
u8 walat; /* Write Additional Latency (0-3) */
u8 mif3_mode; /* Command prediction working mode */
u8 rst_to_cke; /* Time from SDE enable to CKE rise */
u8 sde_to_rst; /* Time from SDE enable until DDR reset# is high */
u8 pd_fast_exit;/* enable precharge powerdown fast-exit */
};
/*
* Board specific calibration:
* This includes write leveling calibration values as well as DQS gating
* and read/write delays. These values are board/layout/device specific.
* Freescale recommends using the i.MX6 DDR Stress Test Tool V1.0.2
* (DOC-96412) to determine these values over a range of boards and
* temperatures.
*/
struct mx6_mmdc_calibration {
/* write leveling calibration */
u32 p0_mpwldectrl0;
u32 p0_mpwldectrl1;
u32 p1_mpwldectrl0;
u32 p1_mpwldectrl1;
/* read DQS gating */
u32 p0_mpdgctrl0;
u32 p0_mpdgctrl1;
u32 p1_mpdgctrl0;
u32 p1_mpdgctrl1;
/* read delay */
u32 p0_mprddlctl;
u32 p1_mprddlctl;
/* write delay */
u32 p0_mpwrdlctl;
u32 p1_mpwrdlctl;
};
/* configure iomux (pinctl/padctl) */
void mx6dq_dram_iocfg(unsigned width,
const struct mx6dq_iomux_ddr_regs *,
const struct mx6dq_iomux_grp_regs *);
void mx6sdl_dram_iocfg(unsigned width,
const struct mx6sdl_iomux_ddr_regs *,
const struct mx6sdl_iomux_grp_regs *);
void mx6sx_dram_iocfg(unsigned width,
const struct mx6sx_iomux_ddr_regs *,
const struct mx6sx_iomux_grp_regs *);
/* configure mx6 mmdc registers */
void mx6_dram_cfg(const struct mx6_ddr_sysinfo *,
const struct mx6_mmdc_calibration *,
const struct mx6_ddr3_cfg *);
#endif /* __MACH_MMDC_H */
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