531 lines
12 KiB
C
531 lines
12 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2013 Boundary Devices Inc.
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*/
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#ifndef __ASM_ARCH_MX6_DDR_H__
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#define __ASM_ARCH_MX6_DDR_H__
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#ifndef CONFIG_SPL_BUILD
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#ifdef CONFIG_MX6Q
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#include "mx6q-ddr.h"
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#else
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#if defined(CONFIG_MX6DL) || defined(CONFIG_MX6S)
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#include "mx6dl-ddr.h"
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#else
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#ifdef CONFIG_MX6SX
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#include "mx6sx-ddr.h"
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#else
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#if defined(CONFIG_MX6UL) || defined(CONFIG_MX6ULL)
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#include "mx6ul-ddr.h"
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#else
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#ifdef CONFIG_MX6SL
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#include "mx6sl-ddr.h"
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#else
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#error "Please select cpu"
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#endif /* CONFIG_MX6SL */
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#endif /* CONFIG_MX6UL */
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#endif /* CONFIG_MX6SX */
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#endif /* CONFIG_MX6DL or CONFIG_MX6S */
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#endif /* CONFIG_MX6Q */
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#else
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enum {
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DDR_TYPE_DDR3,
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DDR_TYPE_LPDDR2,
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};
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/* MMDC P0/P1 Registers */
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struct mmdc_p_regs {
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u32 mdctl;
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u32 mdpdc;
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u32 mdotc;
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u32 mdcfg0;
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u32 mdcfg1;
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u32 mdcfg2;
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u32 mdmisc;
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u32 mdscr;
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u32 mdref;
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u32 res1[2];
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u32 mdrwd;
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u32 mdor;
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u32 mdmrr;
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u32 mdcfg3lp;
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u32 mdmr4;
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u32 mdasp;
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u32 res2[239];
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u32 maarcr;
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u32 mapsr;
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u32 maexidr0;
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u32 maexidr1;
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u32 madpcr0;
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u32 madpcr1;
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u32 madpsr0;
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u32 madpsr1;
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u32 madpsr2;
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u32 madpsr3;
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u32 madpsr4;
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u32 madpsr5;
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u32 masbs0;
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u32 masbs1;
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u32 res3[2];
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u32 magenp;
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u32 res4[239];
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u32 mpzqhwctrl;
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u32 mpzqswctrl;
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u32 mpwlgcr;
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u32 mpwldectrl0;
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u32 mpwldectrl1;
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u32 mpwldlst;
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u32 mpodtctrl;
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u32 mprddqby0dl;
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u32 mprddqby1dl;
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u32 mprddqby2dl;
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u32 mprddqby3dl;
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u32 mpwrdqby0dl;
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u32 mpwrdqby1dl;
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u32 mpwrdqby2dl;
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u32 mpwrdqby3dl;
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u32 mpdgctrl0;
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u32 mpdgctrl1;
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u32 mpdgdlst0;
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u32 mprddlctl;
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u32 mprddlst;
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u32 mpwrdlctl;
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u32 mpwrdlst;
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u32 mpsdctrl;
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u32 mpzqlp2ctl;
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u32 mprddlhwctl;
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u32 mpwrdlhwctl;
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u32 mprddlhwst0;
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u32 mprddlhwst1;
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u32 mpwrdlhwst0;
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u32 mpwrdlhwst1;
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u32 mpwlhwerr;
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u32 mpdghwst0;
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u32 mpdghwst1;
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u32 mpdghwst2;
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u32 mpdghwst3;
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u32 mppdcmpr1;
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u32 mppdcmpr2;
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u32 mpswdar0;
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u32 mpswdrdr0;
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u32 mpswdrdr1;
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u32 mpswdrdr2;
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u32 mpswdrdr3;
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u32 mpswdrdr4;
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u32 mpswdrdr5;
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u32 mpswdrdr6;
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u32 mpswdrdr7;
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u32 mpmur0;
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u32 mpwrcadl;
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u32 mpdccr;
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};
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#define MX6SL_IOM_DDR_BASE 0x020e0300
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struct mx6sl_iomux_ddr_regs {
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u32 dram_cas;
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u32 dram_cs0_b;
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u32 dram_cs1_b;
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u32 dram_dqm0;
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u32 dram_dqm1;
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u32 dram_dqm2;
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u32 dram_dqm3;
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u32 dram_ras;
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u32 dram_reset;
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u32 dram_sdba0;
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u32 dram_sdba1;
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u32 dram_sdba2;
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u32 dram_sdcke0;
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u32 dram_sdcke1;
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u32 dram_sdclk_0;
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u32 dram_odt0;
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u32 dram_odt1;
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u32 dram_sdqs0;
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u32 dram_sdqs1;
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u32 dram_sdqs2;
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u32 dram_sdqs3;
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u32 dram_sdwe_b;
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};
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#define MX6SL_IOM_GRP_BASE 0x020e0500
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struct mx6sl_iomux_grp_regs {
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u32 res1[43];
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u32 grp_addds;
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u32 grp_ddrmode_ctl;
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u32 grp_ddrpke;
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u32 grp_ddrpk;
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u32 grp_ddrhys;
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u32 grp_ddrmode;
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u32 grp_b0ds;
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u32 grp_ctlds;
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u32 grp_b1ds;
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u32 grp_ddr_type;
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u32 grp_b2ds;
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u32 grp_b3ds;
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};
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#define MX6UL_IOM_DDR_BASE 0x020e0200
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struct mx6ul_iomux_ddr_regs {
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u32 res1[17];
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u32 dram_dqm0;
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u32 dram_dqm1;
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u32 dram_ras;
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u32 dram_cas;
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u32 dram_cs0;
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u32 dram_cs1;
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u32 dram_sdwe_b;
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u32 dram_odt0;
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u32 dram_odt1;
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u32 dram_sdba0;
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u32 dram_sdba1;
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u32 dram_sdba2;
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u32 dram_sdcke0;
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u32 dram_sdcke1;
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u32 dram_sdclk_0;
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u32 dram_sdqs0;
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u32 dram_sdqs1;
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u32 dram_reset;
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};
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#define MX6UL_IOM_GRP_BASE 0x020e0400
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struct mx6ul_iomux_grp_regs {
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u32 res1[36];
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u32 grp_addds;
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u32 grp_ddrmode_ctl;
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u32 grp_b0ds;
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u32 grp_ddrpk;
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u32 grp_ctlds;
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u32 grp_b1ds;
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u32 grp_ddrhys;
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u32 grp_ddrpke;
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u32 grp_ddrmode;
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u32 grp_ddr_type;
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};
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#define MX6SX_IOM_DDR_BASE 0x020e0200
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struct mx6sx_iomux_ddr_regs {
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u32 res1[59];
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u32 dram_dqm0;
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u32 dram_dqm1;
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u32 dram_dqm2;
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u32 dram_dqm3;
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u32 dram_ras;
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u32 dram_cas;
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u32 res2[2];
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u32 dram_sdwe_b;
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u32 dram_odt0;
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u32 dram_odt1;
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u32 dram_sdba0;
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u32 dram_sdba1;
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u32 dram_sdba2;
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u32 dram_sdcke0;
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u32 dram_sdcke1;
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u32 dram_sdclk_0;
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u32 dram_sdqs0;
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u32 dram_sdqs1;
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u32 dram_sdqs2;
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u32 dram_sdqs3;
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u32 dram_reset;
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};
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#define MX6SX_IOM_GRP_BASE 0x020e0500
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struct mx6sx_iomux_grp_regs {
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u32 res1[61];
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u32 grp_addds;
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u32 grp_ddrmode_ctl;
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u32 grp_ddrpke;
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u32 grp_ddrpk;
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u32 grp_ddrhys;
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u32 grp_ddrmode;
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u32 grp_b0ds;
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u32 grp_b1ds;
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u32 grp_ctlds;
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u32 grp_ddr_type;
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u32 grp_b2ds;
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u32 grp_b3ds;
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};
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/*
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* MMDC iomux registers (pinctl/padctl) - (different for IMX6DQ vs IMX6SDL)
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*/
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#define MX6DQ_IOM_DDR_BASE 0x020e0500
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struct mx6dq_iomux_ddr_regs {
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u32 res1[3];
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u32 dram_sdqs5;
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u32 dram_dqm5;
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u32 dram_dqm4;
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u32 dram_sdqs4;
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u32 dram_sdqs3;
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u32 dram_dqm3;
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u32 dram_sdqs2;
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u32 dram_dqm2;
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u32 res2[16];
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u32 dram_cas;
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u32 res3[2];
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u32 dram_ras;
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u32 dram_reset;
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u32 res4[2];
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u32 dram_sdclk_0;
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u32 dram_sdba2;
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u32 dram_sdcke0;
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u32 dram_sdclk_1;
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u32 dram_sdcke1;
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u32 dram_sdodt0;
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u32 dram_sdodt1;
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u32 res5;
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u32 dram_sdqs0;
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u32 dram_dqm0;
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u32 dram_sdqs1;
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u32 dram_dqm1;
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u32 dram_sdqs6;
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u32 dram_dqm6;
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u32 dram_sdqs7;
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u32 dram_dqm7;
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};
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#define MX6DQ_IOM_GRP_BASE 0x020e0700
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struct mx6dq_iomux_grp_regs {
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u32 res1[18];
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u32 grp_b7ds;
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u32 grp_addds;
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u32 grp_ddrmode_ctl;
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u32 res2;
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u32 grp_ddrpke;
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u32 res3[6];
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u32 grp_ddrmode;
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u32 res4[3];
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u32 grp_b0ds;
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u32 grp_b1ds;
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u32 grp_ctlds;
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u32 res5;
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u32 grp_b2ds;
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u32 grp_ddr_type;
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u32 grp_b3ds;
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u32 grp_b4ds;
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u32 grp_b5ds;
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u32 grp_b6ds;
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};
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#define MX6SDL_IOM_DDR_BASE 0x020e0400
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struct mx6sdl_iomux_ddr_regs {
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u32 res1[25];
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u32 dram_cas;
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u32 res2[2];
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u32 dram_dqm0;
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u32 dram_dqm1;
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u32 dram_dqm2;
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u32 dram_dqm3;
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u32 dram_dqm4;
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u32 dram_dqm5;
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u32 dram_dqm6;
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u32 dram_dqm7;
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u32 dram_ras;
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u32 dram_reset;
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u32 res3[2];
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u32 dram_sdba2;
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u32 dram_sdcke0;
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u32 dram_sdcke1;
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u32 dram_sdclk_0;
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u32 dram_sdclk_1;
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u32 dram_sdodt0;
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u32 dram_sdodt1;
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u32 dram_sdqs0;
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u32 dram_sdqs1;
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u32 dram_sdqs2;
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u32 dram_sdqs3;
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u32 dram_sdqs4;
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u32 dram_sdqs5;
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u32 dram_sdqs6;
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u32 dram_sdqs7;
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};
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#define MX6SDL_IOM_GRP_BASE 0x020e0700
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struct mx6sdl_iomux_grp_regs {
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u32 res1[18];
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u32 grp_b7ds;
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u32 grp_addds;
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u32 grp_ddrmode_ctl;
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u32 grp_ddrpke;
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u32 res2[2];
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u32 grp_ddrmode;
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u32 grp_b0ds;
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u32 res3;
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u32 grp_ctlds;
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u32 grp_b1ds;
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u32 grp_ddr_type;
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u32 grp_b2ds;
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u32 grp_b3ds;
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u32 grp_b4ds;
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u32 grp_b5ds;
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u32 res4;
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u32 grp_b6ds;
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};
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/* Device Information: Varies per DDR3 part number and speed grade */
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struct mx6_ddr3_cfg {
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u16 mem_speed; /* ie 1600 for DDR3-1600 (800,1066,1333,1600) */
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u8 density; /* chip density (Gb) (1,2,4,8) */
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u8 width; /* bus width (bits) (4,8,16) */
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u8 banks; /* number of banks */
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u8 rowaddr; /* row address bits (11-16)*/
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u8 coladdr; /* col address bits (9-12) */
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u8 pagesz; /* page size (K) (1-2) */
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u16 trcd; /* tRCD=tRP=CL (ns*100) */
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u16 trcmin; /* tRC min (ns*100) */
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u16 trasmin; /* tRAS min (ns*100) */
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u8 SRT; /* self-refresh temperature: 0=normal, 1=extended */
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};
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/* Device Information: Varies per LPDDR2 part number and speed grade */
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struct mx6_lpddr2_cfg {
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u16 mem_speed; /* ie 800 for LPDDR2-800 */
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u8 density; /* chip density (Gb) (1,2,4,8) */
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u8 width; /* bus width (bits) (4,8,16) */
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u8 banks; /* number of banks */
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u8 rowaddr; /* row address bits (11-16)*/
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u8 coladdr; /* col address bits (9-12) */
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u16 trcd_lp;
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u16 trppb_lp;
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u16 trpab_lp;
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u16 trcmin; /* tRC min (ns*100) */
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u16 trasmin; /* tRAS min (ns*100) */
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};
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/* System Information: Varies per board design, layout, and term choices */
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struct mx6_ddr_sysinfo {
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u8 dsize; /* size of bus (in dwords: 0=16bit,1=32bit,2=64bit) */
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u8 cs_density; /* density per chip select (Gb) */
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u8 ncs; /* number chip selects used (1|2) */
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char cs1_mirror;/* enable address mirror (0|1) */
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char bi_on; /* Bank interleaving enable */
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u8 rtt_nom; /* Rtt_Nom (DDR3_RTT_*) */
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u8 rtt_wr; /* Rtt_Wr (DDR3_RTT_*) */
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u8 ralat; /* Read Additional Latency (0-7) */
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u8 walat; /* Write Additional Latency (0-3) */
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u8 mif3_mode; /* Command prediction working mode */
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u8 rst_to_cke; /* Time from SDE enable to CKE rise */
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u8 sde_to_rst; /* Time from SDE enable until DDR reset# is high */
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u8 pd_fast_exit;/* enable precharge powerdown fast-exit */
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u8 ddr_type; /* DDR type: DDR3(0) or LPDDR2(1) */
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u8 refsel; /* REF_SEL field of register MDREF */
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u8 refr; /* REFR field of register MDREF */
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};
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/*
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* Board specific calibration:
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* This includes write leveling calibration values as well as DQS gating
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* and read/write delays. These values are board/layout/device specific.
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* Freescale recommends using the i.MX6 DDR Stress Test Tool V1.0.2
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* (DOC-96412) to determine these values over a range of boards and
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* temperatures.
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*/
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struct mx6_mmdc_calibration {
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/* write leveling calibration */
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u32 p0_mpwldectrl0;
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u32 p0_mpwldectrl1;
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u32 p1_mpwldectrl0;
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u32 p1_mpwldectrl1;
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/* read DQS gating */
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u32 p0_mpdgctrl0;
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u32 p0_mpdgctrl1;
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u32 p1_mpdgctrl0;
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u32 p1_mpdgctrl1;
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/* read delay */
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u32 p0_mprddlctl;
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u32 p1_mprddlctl;
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/* write delay */
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u32 p0_mpwrdlctl;
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u32 p1_mpwrdlctl;
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/* lpddr2 zq hw calibration */
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u32 mpzqlp2ctl;
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};
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/* configure iomux (pinctl/padctl) */
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void mx6dq_dram_iocfg(unsigned width,
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const struct mx6dq_iomux_ddr_regs *,
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const struct mx6dq_iomux_grp_regs *);
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void mx6sdl_dram_iocfg(unsigned width,
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const struct mx6sdl_iomux_ddr_regs *,
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const struct mx6sdl_iomux_grp_regs *);
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void mx6sx_dram_iocfg(unsigned width,
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const struct mx6sx_iomux_ddr_regs *,
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const struct mx6sx_iomux_grp_regs *);
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void mx6ul_dram_iocfg(unsigned width,
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const struct mx6ul_iomux_ddr_regs *,
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const struct mx6ul_iomux_grp_regs *);
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void mx6sl_dram_iocfg(unsigned width,
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const struct mx6sl_iomux_ddr_regs *,
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const struct mx6sl_iomux_grp_regs *);
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#if defined(CONFIG_MX6_DDRCAL)
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int mmdc_do_write_level_calibration(struct mx6_ddr_sysinfo const *sysinfo);
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int mmdc_do_dqs_calibration(struct mx6_ddr_sysinfo const *sysinfo);
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void mmdc_read_calibration(struct mx6_ddr_sysinfo const *sysinfo,
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struct mx6_mmdc_calibration *calib);
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#endif
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/* configure mx6 mmdc registers */
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void mx6_dram_cfg(const struct mx6_ddr_sysinfo *,
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const struct mx6_mmdc_calibration *,
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const void *);
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#endif /* CONFIG_SPL_BUILD */
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#define MX6_MMDC_P0_MDCTL 0x021b0000
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#define MX6_MMDC_P0_MDPDC 0x021b0004
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#define MX6_MMDC_P0_MDOTC 0x021b0008
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#define MX6_MMDC_P0_MDCFG0 0x021b000c
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#define MX6_MMDC_P0_MDCFG1 0x021b0010
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#define MX6_MMDC_P0_MDCFG2 0x021b0014
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#define MX6_MMDC_P0_MDMISC 0x021b0018
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#define MX6_MMDC_P0_MDSCR 0x021b001c
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#define MX6_MMDC_P0_MDREF 0x021b0020
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#define MX6_MMDC_P0_MDRWD 0x021b002c
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#define MX6_MMDC_P0_MDOR 0x021b0030
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#define MX6_MMDC_P0_MDASP 0x021b0040
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#define MX6_MMDC_P0_MAPSR 0x021b0404
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#define MX6_MMDC_P0_MPZQHWCTRL 0x021b0800
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#define MX6_MMDC_P0_MPWLDECTRL0 0x021b080c
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#define MX6_MMDC_P0_MPWLDECTRL1 0x021b0810
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#define MX6_MMDC_P0_MPODTCTRL 0x021b0818
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#define MX6_MMDC_P0_MPRDDQBY0DL 0x021b081c
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#define MX6_MMDC_P0_MPRDDQBY1DL 0x021b0820
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#define MX6_MMDC_P0_MPRDDQBY2DL 0x021b0824
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#define MX6_MMDC_P0_MPRDDQBY3DL 0x021b0828
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#define MX6_MMDC_P0_MPDGCTRL0 0x021b083c
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#define MX6_MMDC_P0_MPDGCTRL1 0x021b0840
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#define MX6_MMDC_P0_MPRDDLCTL 0x021b0848
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#define MX6_MMDC_P0_MPWRDLCTL 0x021b0850
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#define MX6_MMDC_P0_MPZQLP2CTL 0x021b085C
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#define MX6_MMDC_P0_MPMUR0 0x021b08b8
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#define MX6_MMDC_P1_MDCTL 0x021b4000
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#define MX6_MMDC_P1_MDPDC 0x021b4004
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#define MX6_MMDC_P1_MDOTC 0x021b4008
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#define MX6_MMDC_P1_MDCFG0 0x021b400c
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#define MX6_MMDC_P1_MDCFG1 0x021b4010
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#define MX6_MMDC_P1_MDCFG2 0x021b4014
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#define MX6_MMDC_P1_MDMISC 0x021b4018
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#define MX6_MMDC_P1_MDSCR 0x021b401c
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#define MX6_MMDC_P1_MDREF 0x021b4020
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#define MX6_MMDC_P1_MDRWD 0x021b402c
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#define MX6_MMDC_P1_MDOR 0x021b4030
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#define MX6_MMDC_P1_MDASP 0x021b4040
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#define MX6_MMDC_P1_MAPSR 0x021b4404
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#define MX6_MMDC_P1_MPZQHWCTRL 0x021b4800
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#define MX6_MMDC_P1_MPWLDECTRL0 0x021b480c
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#define MX6_MMDC_P1_MPWLDECTRL1 0x021b4810
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#define MX6_MMDC_P1_MPODTCTRL 0x021b4818
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#define MX6_MMDC_P1_MPRDDQBY0DL 0x021b481c
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#define MX6_MMDC_P1_MPRDDQBY1DL 0x021b4820
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#define MX6_MMDC_P1_MPRDDQBY2DL 0x021b4824
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#define MX6_MMDC_P1_MPRDDQBY3DL 0x021b4828
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#define MX6_MMDC_P1_MPDGCTRL0 0x021b483c
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#define MX6_MMDC_P1_MPDGCTRL1 0x021b4840
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#define MX6_MMDC_P1_MPRDDLCTL 0x021b4848
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#define MX6_MMDC_P1_MPWRDLCTL 0x021b4850
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#define MX6_MMDC_P1_MPZQLP2CTL 0x021b485C
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#define MX6_MMDC_P1_MPMUR0 0x021b48b8
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#endif /*__ASM_ARCH_MX6_DDR_H__ */
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