diff options
| -rw-r--r-- | board/toradex/apalis_imx6/apalis_imx6.c | 442 |
1 files changed, 187 insertions, 255 deletions
diff --git a/board/toradex/apalis_imx6/apalis_imx6.c b/board/toradex/apalis_imx6/apalis_imx6.c index fbfb2fb885..672e4e5474 100644 --- a/board/toradex/apalis_imx6/apalis_imx6.c +++ b/board/toradex/apalis_imx6/apalis_imx6.c @@ -803,244 +803,6 @@ void ldo_mode_set(int ldo_bypass) #include "asm/arch/iomux.h" #include "asm/arch/crm_regs.h" -static int mx6_com_dcd_table[] = { -/* ddr-setup.cfg */ -MX6_IOM_DRAM_SDQS0, 0x00000030, -MX6_IOM_DRAM_SDQS1, 0x00000030, -MX6_IOM_DRAM_SDQS2, 0x00000030, -MX6_IOM_DRAM_SDQS3, 0x00000030, -MX6_IOM_DRAM_SDQS4, 0x00000030, -MX6_IOM_DRAM_SDQS5, 0x00000030, -MX6_IOM_DRAM_SDQS6, 0x00000030, -MX6_IOM_DRAM_SDQS7, 0x00000030, - -MX6_IOM_GRP_B0DS, 0x00000030, -MX6_IOM_GRP_B1DS, 0x00000030, -MX6_IOM_GRP_B2DS, 0x00000030, -MX6_IOM_GRP_B3DS, 0x00000030, -MX6_IOM_GRP_B4DS, 0x00000030, -MX6_IOM_GRP_B5DS, 0x00000030, -MX6_IOM_GRP_B6DS, 0x00000030, -MX6_IOM_GRP_B7DS, 0x00000030, -MX6_IOM_GRP_ADDDS, 0x00000030, -/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ -MX6_IOM_GRP_CTLDS, 0x00000030, - -MX6_IOM_DRAM_DQM0, 0x00020030, -MX6_IOM_DRAM_DQM1, 0x00020030, -MX6_IOM_DRAM_DQM2, 0x00020030, -MX6_IOM_DRAM_DQM3, 0x00020030, -MX6_IOM_DRAM_DQM4, 0x00020030, -MX6_IOM_DRAM_DQM5, 0x00020030, -MX6_IOM_DRAM_DQM6, 0x00020030, -MX6_IOM_DRAM_DQM7, 0x00020030, - -MX6_IOM_DRAM_CAS, 0x00020030, -MX6_IOM_DRAM_RAS, 0x00020030, -MX6_IOM_DRAM_SDCLK_0, 0x00020030, -MX6_IOM_DRAM_SDCLK_1, 0x00020030, - -MX6_IOM_DRAM_RESET, 0x00020030, -MX6_IOM_DRAM_SDCKE0, 0x00003000, -MX6_IOM_DRAM_SDCKE1, 0x00003000, - -MX6_IOM_DRAM_SDODT0, 0x00003030, -MX6_IOM_DRAM_SDODT1, 0x00003030, - -/* (differential input) */ -MX6_IOM_DDRMODE_CTL, 0x00020000, -/* (differential input) */ -MX6_IOM_GRP_DDRMODE, 0x00020000, -/* disable ddr pullups */ -MX6_IOM_GRP_DDRPKE, 0x00000000, -MX6_IOM_DRAM_SDBA2, 0x00000000, -/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ -MX6_IOM_GRP_DDR_TYPE, 0x000C0000, - -/* Read data DQ Byte0-3 delay */ -MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, -MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, -MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, -MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, - -/* - * MDMISC mirroring interleaved (row/bank/col) - */ -MX6_MMDC_P0_MDMISC, 0x00081740, - -/* - * MDSCR con_req - */ -MX6_MMDC_P0_MDSCR, 0x00008000, - -/* 1066mhz_4x128mx16.cfg */ - -MX6_MMDC_P0_MDPDC, 0x00020036, -MX6_MMDC_P0_MDCFG0, 0x555A7954, -MX6_MMDC_P0_MDCFG1, 0xDB328F64, -MX6_MMDC_P0_MDCFG2, 0x01FF00DB, -MX6_MMDC_P0_MDRWD, 0x000026D2, -MX6_MMDC_P0_MDOR, 0x005A1023, -MX6_MMDC_P0_MDOTC, 0x09555050, -MX6_MMDC_P0_MDPDC, 0x00025576, -MX6_MMDC_P0_MDASP, 0x00000027, -MX6_MMDC_P0_MDCTL, 0x831A0000, -MX6_MMDC_P0_MDSCR, 0x04088032, -MX6_MMDC_P0_MDSCR, 0x00008033, -MX6_MMDC_P0_MDSCR, 0x00428031, -MX6_MMDC_P0_MDSCR, 0x19308030, -MX6_MMDC_P0_MDSCR, 0x04008040, -MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, -MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, -MX6_MMDC_P0_MDREF, 0x00005800, -MX6_MMDC_P0_MPODTCTRL, 0x00000000, -MX6_MMDC_P1_MPODTCTRL, 0x00000000, - -MX6_MMDC_P0_MPDGCTRL0, 0x432A0338, -MX6_MMDC_P0_MPDGCTRL1, 0x03260324, -MX6_MMDC_P1_MPDGCTRL0, 0x43340344, -MX6_MMDC_P1_MPDGCTRL1, 0x031E027C, - -MX6_MMDC_P0_MPRDDLCTL, 0x33272D2E, -MX6_MMDC_P1_MPRDDLCTL, 0x2F312B37, - -MX6_MMDC_P0_MPWRDLCTL, 0x3A35433C, -MX6_MMDC_P1_MPWRDLCTL, 0x4336453F, - -MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E, -MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B, -MX6_MMDC_P1_MPWLDECTRL0, 0x00060015, -MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E, - -MX6_MMDC_P0_MPMUR0, 0x00000800, -MX6_MMDC_P1_MPMUR0, 0x00000800, -MX6_MMDC_P0_MDSCR, 0x00000000, -MX6_MMDC_P0_MAPSR, 0x00011006, -}; - -static int mx6_it_dcd_table[] = { -/* ddr-setup.cfg */ -MX6_IOM_DRAM_SDQS0, 0x00000030, -MX6_IOM_DRAM_SDQS1, 0x00000030, -MX6_IOM_DRAM_SDQS2, 0x00000030, -MX6_IOM_DRAM_SDQS3, 0x00000030, -MX6_IOM_DRAM_SDQS4, 0x00000030, -MX6_IOM_DRAM_SDQS5, 0x00000030, -MX6_IOM_DRAM_SDQS6, 0x00000030, -MX6_IOM_DRAM_SDQS7, 0x00000030, - -MX6_IOM_GRP_B0DS, 0x00000030, -MX6_IOM_GRP_B1DS, 0x00000030, -MX6_IOM_GRP_B2DS, 0x00000030, -MX6_IOM_GRP_B3DS, 0x00000030, -MX6_IOM_GRP_B4DS, 0x00000030, -MX6_IOM_GRP_B5DS, 0x00000030, -MX6_IOM_GRP_B6DS, 0x00000030, -MX6_IOM_GRP_B7DS, 0x00000030, -MX6_IOM_GRP_ADDDS, 0x00000030, -/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ -MX6_IOM_GRP_CTLDS, 0x00000030, - -MX6_IOM_DRAM_DQM0, 0x00020030, -MX6_IOM_DRAM_DQM1, 0x00020030, -MX6_IOM_DRAM_DQM2, 0x00020030, -MX6_IOM_DRAM_DQM3, 0x00020030, -MX6_IOM_DRAM_DQM4, 0x00020030, -MX6_IOM_DRAM_DQM5, 0x00020030, -MX6_IOM_DRAM_DQM6, 0x00020030, -MX6_IOM_DRAM_DQM7, 0x00020030, - -MX6_IOM_DRAM_CAS, 0x00020030, -MX6_IOM_DRAM_RAS, 0x00020030, -MX6_IOM_DRAM_SDCLK_0, 0x00020030, -MX6_IOM_DRAM_SDCLK_1, 0x00020030, - -MX6_IOM_DRAM_RESET, 0x00020030, -MX6_IOM_DRAM_SDCKE0, 0x00003000, -MX6_IOM_DRAM_SDCKE1, 0x00003000, - -MX6_IOM_DRAM_SDODT0, 0x00003030, -MX6_IOM_DRAM_SDODT1, 0x00003030, - -/* (differential input) */ -MX6_IOM_DDRMODE_CTL, 0x00020000, -/* (differential input) */ -MX6_IOM_GRP_DDRMODE, 0x00020000, -/* disable ddr pullups */ -MX6_IOM_GRP_DDRPKE, 0x00000000, -MX6_IOM_DRAM_SDBA2, 0x00000000, -/* 40 Ohm drive strength for cs0/1,sdba2,cke0/1,sdwe */ -MX6_IOM_GRP_DDR_TYPE, 0x000C0000, - -/* Read data DQ Byte0-3 delay */ -MX6_MMDC_P0_MPRDDQBY0DL, 0x33333333, -MX6_MMDC_P0_MPRDDQBY1DL, 0x33333333, -MX6_MMDC_P0_MPRDDQBY2DL, 0x33333333, -MX6_MMDC_P0_MPRDDQBY3DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY0DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY1DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY2DL, 0x33333333, -MX6_MMDC_P1_MPRDDQBY3DL, 0x33333333, - -/* - * MDMISC mirroring interleaved (row/bank/col) - */ -MX6_MMDC_P0_MDMISC, 0x00081740, - -/* - * MDSCR con_req - */ -MX6_MMDC_P0_MDSCR, 0x00008000, - -/* 1066mhz_4x256mx16.cfg */ - -MX6_MMDC_P0_MDPDC, 0x00020036, -MX6_MMDC_P0_MDCFG0, 0x898E78f5, -MX6_MMDC_P0_MDCFG1, 0xff328f64, -MX6_MMDC_P0_MDCFG2, 0x01FF00DB, -MX6_MMDC_P0_MDRWD, 0x000026D2, -MX6_MMDC_P0_MDOR, 0x008E1023, -MX6_MMDC_P0_MDOTC, 0x09444040, -MX6_MMDC_P0_MDPDC, 0x00025576, -MX6_MMDC_P0_MDASP, 0x00000047, -MX6_MMDC_P0_MDCTL, 0x841A0000, -MX6_MMDC_P0_MDSCR, 0x02888032, -MX6_MMDC_P0_MDSCR, 0x00008033, -MX6_MMDC_P0_MDSCR, 0x00048031, -MX6_MMDC_P0_MDSCR, 0x19408030, -MX6_MMDC_P0_MDSCR, 0x04008040, -MX6_MMDC_P0_MPZQHWCTRL, 0xA1390003, -MX6_MMDC_P1_MPZQHWCTRL, 0xA1390003, -MX6_MMDC_P0_MDREF, 0x00007800, -MX6_MMDC_P0_MPODTCTRL, 0x00022227, -MX6_MMDC_P1_MPODTCTRL, 0x00022227, - -MX6_MMDC_P0_MPDGCTRL0, 0x03300338, -MX6_MMDC_P0_MPDGCTRL1, 0x03240324, -MX6_MMDC_P1_MPDGCTRL0, 0x03440350, -MX6_MMDC_P1_MPDGCTRL1, 0x032C0308, - -MX6_MMDC_P0_MPRDDLCTL, 0x40363C3E, -MX6_MMDC_P1_MPRDDLCTL, 0x3C3E3C46, - -MX6_MMDC_P0_MPWRDLCTL, 0x403E463E, -MX6_MMDC_P1_MPWRDLCTL, 0x4A384C46, - -MX6_MMDC_P0_MPWLDECTRL0, 0x0009000E, -MX6_MMDC_P0_MPWLDECTRL1, 0x0018000B, -MX6_MMDC_P1_MPWLDECTRL0, 0x00060015, -MX6_MMDC_P1_MPWLDECTRL1, 0x0006000E, - -MX6_MMDC_P0_MPMUR0, 0x00000800, -MX6_MMDC_P1_MPMUR0, 0x00000800, -MX6_MMDC_P0_MDSCR, 0x00000000, -MX6_MMDC_P0_MAPSR, 0x00011006, -}; - static void ccgr_init(void) { struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; @@ -1069,27 +831,185 @@ static void ccgr_init(void) writel(0x010E0101, &ccm->ccosr); } -static void ddr_init(int *table, int size) -{ - int i; - for (i = 0; i < size / 2 ; i++) - writel(table[2 * i + 1], table[2 * i]); -} +#define PAD_CTL_INPUT_DDR BIT(17) + +struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = { + /* Differential input, 40 ohm DSE */ + .dram_sdclk_0 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_sdclk_1 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_cas = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_ras = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_reset = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + + /* SDKE[0:1]: BIT(12) and BIT(13) are reserved and set at reset */ + .dram_sdcke0 = 0x00003000, + .dram_sdcke1 = 0x00003000, + + .dram_sdba2 = 0x00000000, + + /* ODT[0:1]: 40 ohm DSE, BIT(12) and BIT(13) are reserved and set at reset */ + .dram_sdodt0 = PAD_CTL_DSE_40ohm | 0x00003000, + .dram_sdodt1 = PAD_CTL_DSE_40ohm | 0x00003000, + + /* SDQS[0:7]: 40 ohm DSE, Pull/Keeper Disabled, ODT Disabled */ + .dram_sdqs0 = PAD_CTL_DSE_40ohm, + .dram_sdqs1 = PAD_CTL_DSE_40ohm, + .dram_sdqs2 = PAD_CTL_DSE_40ohm, + .dram_sdqs3 = PAD_CTL_DSE_40ohm, + .dram_sdqs4 = PAD_CTL_DSE_40ohm, + .dram_sdqs5 = PAD_CTL_DSE_40ohm, + .dram_sdqs6 = PAD_CTL_DSE_40ohm, + .dram_sdqs7 = PAD_CTL_DSE_40ohm, + + /* DQM[0:7]: Differential input, 40 ohm DSE, Pull/Keeper Disabled, ODT Disabled */ + .dram_dqm0 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_dqm1 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_dqm2 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_dqm3 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_dqm4 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_dqm5 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_dqm6 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, + .dram_dqm7 = PAD_CTL_DSE_40ohm | PAD_CTL_INPUT_DDR, +}; + +struct mx6dq_iomux_grp_regs mx6_grp_ioregs = { + /* DDR3 */ + .grp_ddr_type = 0x000C0000, + + /* SDQS[0:7]: Differential input */ + .grp_ddrmode_ctl = PAD_CTL_INPUT_DDR, + + /* DATA[0:63]: Pull/Keeper disabled */ + .grp_ddrpke = 0, + + /* ADDR[0:16], SDBA[0:1]: 40 ohm DSE */ + .grp_addds = PAD_CTL_DSE_40ohm, + + /* CS0/CS1/SDBA2/CKE0/CKE1/SDWE: 40 ohm DSE */ + .grp_ctlds = PAD_CTL_DSE_40ohm, + + /* DATA[0:63]: Differential input */ + .grp_ddrmode = PAD_CTL_INPUT_DDR, + + /* DATA[0:63]: 40 ohm DSE */ + .grp_b0ds = PAD_CTL_DSE_40ohm, + .grp_b1ds = PAD_CTL_DSE_40ohm, + .grp_b2ds = PAD_CTL_DSE_40ohm, + .grp_b3ds = PAD_CTL_DSE_40ohm, + .grp_b4ds = PAD_CTL_DSE_40ohm, + .grp_b5ds = PAD_CTL_DSE_40ohm, + .grp_b6ds = PAD_CTL_DSE_40ohm, + .grp_b7ds = PAD_CTL_DSE_40ohm, +}; + +struct mx6_ddr_sysinfo sysinfo = { + .dsize = 2, /* width of data bus: 2=64 */ + .cs_density = 32, /* full range so that get_mem_size() works, 32Gb per CS */ + .ncs = 1, + .cs1_mirror = 0, + .rtt_wr = 2, /* Dynamic ODT, RZQ/2 */ + .rtt_nom = 0, /* Disabled */ + .walat = 0, /* Write additional latency */ + .ralat = 5, /* Read additional latency */ + .mif3_mode = 3, /* Command prediction working mode */ + .bi_on = 1, /* Bank interleaving enabled */ + .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ + .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + .pd_fast_exit = 1, /* enable precharge power-down fast exit */ + .ddr_type = DDR_TYPE_DDR3, + .refsel = 1, /* Refresh cycles at 32KHz */ + .refr = 3, /* 4 refresh commands per refresh cycle */ +}; + +static const struct mx6_mmdc_calibration mx6_mmdc_calib = { + .p0_mpwldectrl0 = 0x0009000E, + .p0_mpwldectrl1 = 0x0018000B, + .p1_mpwldectrl0 = 0x00060015, + .p1_mpwldectrl1 = 0x0006000E, + .p0_mpdgctrl0 = 0x432A0338, + .p0_mpdgctrl1 = 0x03260324, + .p1_mpdgctrl0 = 0x43340344, + .p1_mpdgctrl1 = 0x031E027C, + .p0_mprddlctl = 0x33272D2E, + .p1_mprddlctl = 0x2F312B37, + .p0_mpwrdlctl = 0x3A35433C, + .p1_mpwrdlctl = 0x4336453F, +}; + +static const struct mx6_ddr3_cfg ddr3_cfg = { + .mem_speed = 1066, + .density = 2, + .width = 16, + .banks = 8, + .rowaddr = 14, + .coladdr = 10, + .pagesz = 2, + .trcd = 1312, + .trcmin = 4812, + .trasmin = 3500, + .SRT = 0, +}; + +struct mx6_ddr_sysinfo sysinfo_it = { + .dsize = 2, /* width of data bus: 2=64 */ + .cs_density = 32, /* full range so that get_mem_size() works, 32Gb per CS */ + .ncs = 1, + .cs1_mirror = 0, + .rtt_wr = 1, /* Dynamic ODT, RZQ/4 */ + .rtt_nom = 1, /* RZQ/4 */ + .walat = 0, /* Write additional latency */ + .ralat = 5, /* Read additional latency */ + .mif3_mode = 3, /* Command prediction working mode */ + .bi_on = 1, /* Bank interleaving enabled */ + .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */ + .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */ + .pd_fast_exit = 1, /* enable precharge power-down fast exit */ + .ddr_type = DDR_TYPE_DDR3, + .refsel = 1, /* Refresh cycles at 32KHz */ + .refr = 7, /* 8 refresh commands per refresh cycle */ +}; + +static const struct mx6_mmdc_calibration mx6_mmdc_calib_it = { + .p0_mpwldectrl0 = 0x0009000E, + .p0_mpwldectrl1 = 0x0018000B, + .p1_mpwldectrl0 = 0x00060015, + .p1_mpwldectrl1 = 0x0006000E, + .p0_mpdgctrl0 = 0x03300338, + .p0_mpdgctrl1 = 0x03240324, + .p1_mpdgctrl0 = 0x03440350, + .p1_mpdgctrl1 = 0x032C0308, + .p0_mprddlctl = 0x40363C3E, + .p1_mprddlctl = 0x3C3E3C46, + .p0_mpwrdlctl = 0x403E463E, + .p1_mpwrdlctl = 0x4A384C46, +}; + +static const struct mx6_ddr3_cfg ddr3_cfg_it = { + .mem_speed = 1066, + .density = 4, + .width = 16, + .banks = 8, + .rowaddr = 15, + .coladdr = 10, + .pagesz = 2, + .trcd = 1312, + .trcmin = 4812, + .trasmin = 3500, + .SRT = 1, +}; + /* Perform DDR DRAM calibration */ -static void spl_dram_perform_cal(void) +static void spl_dram_perform_cal(const struct mx6_ddr_sysinfo *ddr_sysinfo) { #ifdef CONFIG_MX6_DDRCAL int err; - struct mx6_ddr_sysinfo ddr_sysinfo = { - .dsize = 2, - }; - err = mmdc_do_write_level_calibration(&ddr_sysinfo); + err = mmdc_do_write_level_calibration(ddr_sysinfo); if (err) printf("error %d from write level calibration\n", err); - err = mmdc_do_dqs_calibration(&ddr_sysinfo); + err = mmdc_do_dqs_calibration(ddr_sysinfo); if (err) printf("error %d from dqs calibration\n", err); #endif @@ -1097,23 +1017,35 @@ static void spl_dram_perform_cal(void) static void spl_dram_init(void) { - int minc, maxc; + bool temp_grade_it; - switch (get_cpu_temp_grade(&minc, &maxc)) { + switch (get_cpu_temp_grade(NULL, NULL)) { case TEMP_COMMERCIAL: case TEMP_EXTCOMMERCIAL: puts("Commercial temperature grade DDR3 timings.\n"); - ddr_init(mx6_com_dcd_table, ARRAY_SIZE(mx6_com_dcd_table)); + temp_grade_it = false; break; case TEMP_INDUSTRIAL: case TEMP_AUTOMOTIVE: default: puts("Industrial temperature grade DDR3 timings.\n"); - ddr_init(mx6_it_dcd_table, ARRAY_SIZE(mx6_it_dcd_table)); + temp_grade_it = true; break; }; + + mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs); + + if (temp_grade_it) + mx6_dram_cfg(&sysinfo_it, &mx6_mmdc_calib_it, &ddr3_cfg_it); + else + mx6_dram_cfg(&sysinfo, &mx6_mmdc_calib, &ddr3_cfg); + udelay(100); - spl_dram_perform_cal(); + + if (temp_grade_it) + spl_dram_perform_cal(&sysinfo_it); + else + spl_dram_perform_cal(&sysinfo); } void board_init_f(ulong dummy) |