diff options
Diffstat (limited to 'board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m.c')
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m.c b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m.c new file mode 100644 index 00000000000..66c3483adbf --- /dev/null +++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m.c @@ -0,0 +1,169 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include "spl_mtypes.h" + +static const struct dram_cfg_param ddr_ddrc_cfg_128mb[] = { + /* IOMUX */ + + /* DDR IO Type: */ + {0x020e04b4, 0x000C0000}, /* IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE */ + {0x020e04ac, 0x00000000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRPKE */ + + /* Clock: */ + {0x020e027c, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK_0 */ + + /* Address: */ + {0x020e0250, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_CAS */ + {0x020e024c, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RAS */ + {0x020e0490, 0x00000028}, /* IOMUXC_SW_PAD_CTL_GRP_ADDDS */ + + /* Control: */ + {0x020e0288, 0x000C0028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RESET */ + {0x020e0270, 0x00000000}, /* + * IOMUXC_SW_PAD_CTL_PAD_DRAM_SDBA2 - DSE can be configured + * using Group Control Register IOMUXC_SW_PAD_CTL_GRP_CTLDS + */ + + {0x020e0260, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDODT0 */ + {0x020e0264, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDODT1 */ + {0x020e04a0, 0x00000028}, /* IOMUXC_SW_PAD_CTL_GRP_CTLDS */ + + /* Data Strobes: */ + {0x020e0494, 0x00020000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL */ + {0x020e0280, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0 */ + {0x020e0284, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1 */ + + /* Data: */ + {0x020e04b0, 0x00020000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE */ + {0x020e0498, 0x00000028}, /* IOMUXC_SW_PAD_CTL_GRP_B0DS */ + {0x020e04a4, 0x00000028}, /* IOMUXC_SW_PAD_CTL_GRP_B1DS */ + + {0x020e0244, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0 */ + {0x020e0248, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1 */ + + /* + * ============================================================================= + * DDR Controller Registers + * ============================================================================= + * Manufacturer:ISSI + * Device Part Number:IS43TR16640BL-125JBLI + * Clock Freq.: 400MHz + * Density per CS in Gb: 1 + * Chip Selects used:1 + * Number of Banks:8 + * Row address: 13 + * Column address: 10 + * Data bus width16 + * ============================================================================= + */ + {0x021b001c, 0x00008000}, /* + * MMDC0_MDSCR, set the Configuration request bit + * during MMDC set up + */ + + /* + * ============================================================================= + * Calibration setup. + * ============================================================================= + */ + {0x021b0800, 0xA1390003}, /* + * DDR_PHY_P0_MPZQHWCTRL, enable both one-time & periodic + * HW ZQ calibration. + */ + + /* + * For target board, may need to run write leveling calibration to fine tune + * these settings. + */ + {0x021b080c, 0x00000000}, + + /* Read DQS Gating calibration */ + {0x021b083c, 0x41480148}, /* MPDGCTRL0 PHY0 */ + + /* Read calibration */ + {0x021b0848, 0x40403A3E}, /* MPRDDLCTL PHY0 */ + + /* Write calibration */ + {0x021b0850, 0x4040362E}, /* MPWRDLCTL PHY0 */ + + /* + * Read data bit delay: 3 is the recommended default value, although out of reset + * value is 0. + */ + {0x021b081c, 0x33333333}, /* MMDC_MPRDDQBY0DL */ + {0x021b0820, 0x33333333}, /* MMDC_MPRDDQBY1DL */ + + /* Write data bit delay: */ + {0x021b082c, 0xF3333333}, /* MMDC_MPWRDQBY0DL */ + {0x021b0830, 0xF3333333}, /* MMDC_MPWRDQBY1DL */ + + /* DQS&CLK Duty Cycle */ + {0x021b08c0, 0x00944009}, /* [MMDC_MPDCCR] MMDC Duty Cycle Control Register */ + + /* Complete calibration by forced measurement: */ + {0x021b08b8, 0x00000800}, /* DDR_PHY_P0_MPMUR0, frc_msr */ + + /* + * ============================================================================= + * Calibration setup end + * ============================================================================= + */ + + /* MMDC init: */ + {0x021b0004, 0x0002002D}, /* MMDC0_MDPDC */ + {0x021b0008, 0x1B333030}, /* MMDC0_MDOTC */ + {0x021b000c, 0x2B2F52F3}, /* MMDC0_MDCFG0 */ + {0x021b0010, 0xB66D0B63}, /* MMDC0_MDCFG1 */ + {0x021b0014, 0x01FF00DB}, /* MMDC0_MDCFG2 */ + + /* + * MDMISC: RALAT kept to the high level of 5. + * MDMISC: consider reducing RALAT if your 528MHz board design allow that. + * Lower RALAT benefits: + * a. better operation at low frequency, for LPDDR2 freq < 100MHz, change RALAT to 3 + * b. Small performance improvement + */ + {0x021b0018, 0x00211740}, /* MMDC0_MDMISC */ + {0x021b001c, 0x00008000}, /* + * MMDC0_MDSCR, set the Configuration request bit during + * MMDC set up + */ + {0x021b002c, 0x000026D2}, /* MMDC0_MDRWD */ + {0x021b0030, 0x002F1023}, /* MMDC0_MDOR */ + {0x021b0040, 0x00000043}, /* Chan0 CS0_END */ + {0x021b0000, 0x82180000}, /* MMDC0_MDCTL */ + + {0x021b0890, 0x00400000}, /* MPPDCMPR2 */ + + /* Mode register writes */ + {0x021b001c, 0x02808032}, /* MMDC0_MDSCR, MR2 write, CS0 */ + {0x021b001c, 0x00008033}, /* MMDC0_MDSCR, MR3 write, CS0 */ + {0x021b001c, 0x00048031}, /* MMDC0_MDSCR, MR1 write, CS0 */ + {0x021b001c, 0x15208030}, /* MMDC0_MDSCR, MR0write, CS0 */ + {0x021b001c, 0x04008040}, /* + * MMDC0_MDSCR, ZQ calibration command sent to device + * on CS0 + */ + + {0x021b0020, 0x00007800}, /* MMDC0_MDREF */ + + {0x021b0818, 0x00000227}, /* DDR_PHY_P0_MPODTCTRL */ + + {0x021b0004, 0x0002552D}, /* MMDC0_MDPDC now SDCTL power down enabled */ + + {0x021b0404, 0x00011006}, /* + * MMDC0_MAPSR ADOPT power down enabled, + * MMDC will enter automatically to self-refresh + * while the number of idle cycle reached. + */ + + {0x021b001c, 0x00000000}, /* + * MMDC0_MDSCR, clear this register (especially the + * configuration bit as initialization is complete) + */ +}; + +struct dram_timing_info bsh_dram_timing_128mb = { + .ddrc_cfg = ddr_ddrc_cfg_128mb, + .ddrc_cfg_num = ARRAY_SIZE(ddr_ddrc_cfg_128mb), +}; |