Add support for imx6ulz_smm_m2d, based on the M2 architecture.
Signed-off-by: Andrea Calabrese <[email protected]>
diff --git a/board/bsh/imx6ulz_smm_m2/Kconfig b/board/bsh/imx6ulz_smm_m2/Kconfig
index 20971aa4fe1..6c4321c3b5e 100644
--- a/board/bsh/imx6ulz_smm_m2/Kconfig
+++ b/board/bsh/imx6ulz_smm_m2/Kconfig
@@ -28,6 +28,12 @@ config BSH_M2B_MEMORY
If this option is enabled, U-Boot will be configured to support
imx6ulz bsh m2b revision memories.
+config BSH_M2D_MEMORY
+ bool "Enable for bsh m2d variant"
+ help
+ If this option is enabled, U-Boot will be configured to support
+ imx6ulz bsh m2d revision memories.
+
endchoice
endif
diff --git a/board/bsh/imx6ulz_smm_m2/MAINTAINERS
b/board/bsh/imx6ulz_smm_m2/MAINTAINERS
index a75cddd72f8..098b992b07a 100644
--- a/board/bsh/imx6ulz_smm_m2/MAINTAINERS
+++ b/board/bsh/imx6ulz_smm_m2/MAINTAINERS
@@ -5,3 +5,4 @@ F: board/bsh/imx6ulz_smm_m2/
F: include/configs/imx6ulz_smm_m2.h
F: configs/imx6ulz_smm_m2_defconfig
F: configs/imx6ulz_smm_m2b_defconfig
+F: configs/imx6ulz_smm_m2d_defconfig
diff --git a/board/bsh/imx6ulz_smm_m2/Makefile
b/board/bsh/imx6ulz_smm_m2/Makefile
index 5ab00a5ea75..81e47e3735e 100644
--- a/board/bsh/imx6ulz_smm_m2/Makefile
+++ b/board/bsh/imx6ulz_smm_m2/Makefile
@@ -5,3 +5,4 @@ obj-y := imx6ulz_smm_m2.o
obj-$(CONFIG_XPL_BUILD) += spl.o
obj-$(CONFIG_BSH_M2_MEMORY) += ddr3l_timing_512m.o ddr3l_timing_256m.o
ddr3l_timing_128m.o
obj-$(CONFIG_BSH_M2B_MEMORY) += ddr3l_timing_512m_m2b.o
ddr3l_timing_256m_m2b.o ddr3l_timing_128m_m2b.o
+obj-$(CONFIG_BSH_M2D_MEMORY) += ddr3l_timing_512m_m2d.o
ddr3l_timing_256m_m2d.o ddr3l_timing_128m_m2d.o
\ No newline at end of file
diff --git a/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m_m2d.c
b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m_m2d.c
new file mode 100644
index 00000000000..5910858a930
--- /dev/null
+++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m_m2d.c
@@ -0,0 +1,121 @@
+// 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_SDCLK0_P */
+
+ /* Control: */
+ {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 */
+ {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_ODT0 */
+ {0x020E0264, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT1 */
+ {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_P */
+ {0x020E0284, 0x00000028}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1_P */
+
+ /* 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:WINBOND */
+ /* Device Part Number:W631GU6RB-11 */
+ /* Clock Freq.: 400MHz */
+ /* Density per CS in Gb: 1 */
+ /* Chip Selects used:1 */
+ /* Total DRAM density (Gb)1 */
+ /* Number of Banks:8 */
+ /* Row address: 13 */
+ /* Column address: 10 */
+ /* Data bus width16 */
+ /*
============================================================================= */
+ {0x021B001C, 0x00008000}, /* [MMDC_MDSCR] MMDC Core Special Command
Register */
+
+ /* ====================================================== */
+ /* Calibrations: */
+ /* ====================================================== */
+ {0x021B0800, 0xA1390003}, /* DDR_PHY_P0_MPZQHWCTRL, enable both
one-time & periodic */
+ /* HW ZQ calibration. */
+
+ {0x021B080C, 0x00060002}, /* [MMDC_MPWLDECTRL0] MMDC PHY Write
Leveling Delay Control */
+ /* Register 0 */
+ {0x021B083C, 0x414C0150}, /* [MMDC_MPDGCTRL0] MMDC PHY Read DQS Gating
Control */
+ /* Register 0 */
+ {0x021B0848, 0x4040363E}, /* [MMDC_MPRDDLCTL] MMDC PHY Read
delay-lines Configuration */
+ /* Register */
+ {0x021B0850, 0x40402A28}, /* [MMDC_MPWRDLCTL] MMDC PHY Write
delay-lines Configuration */
+ /* Register */
+
+ {0x021B081C, 0x33333333}, /* [MMDC_MPRDDQBY0DL] MMDC PHY Read DQ Byte0
Delay Register */
+ {0x021B0820, 0x33333333}, /* [MMDC_MPRDDQBY1DL] MMDC PHY Read DQ Byte1
Delay Register */
+
+ {0x021B082C, 0xf3333333}, /* [MMDC_MPWRDQBY0DL] MMDC PHY Write DQ
Byte0 Delay Register */
+ {0x021B0830, 0xf3333333}, /* [MMDC_MPWRDQBY1DL] MMDC PHY Write DQ
Byte1 Delay Register */
+
+ {0x021B08C0, 0x00944009}, /* [MMDC_MPDCCR] MMDC Duty Cycle Control
Register */
+
+ /* Complete calibration by forced measurement: */
+ {0x021B08B8, 0x00000800}, /* DDR_PHY_P0_MPMUR0, frc_msr */
+
+ /* ====================================================== */
+ /* MMDC init: */
+ /* ====================================================== */
+ {0x021B0004, 0x0002002D}, /* MMDC0_MDPDC */
+ {0x021B0008, 0x1B333030}, /* MMDC0_MDOTC */
+ {0x021B000C, 0x2B2F52F3}, /* MMDC0_MDCFG0 */
+ {0x021B0010, 0xB66D0A63}, /* MMDC0_MDCFG1 */
+ {0x021B0014, 0x01FF00DB}, /* MMDC0_MDCFG2 */
+ {0x021B0018, 0x00201740}, /* MMDC0_MDMISC */
+ {0x021B002C, 0x000026D2}, /* MMDC0_MDRWD; recommend to maintain the
default values */
+ {0x021B0030, 0x002F1023}, /* MMDC0_MDOR */
+ {0x021B0040, 0x00000043}, /* CS0_END */
+ {0x021B0000, 0x82180000}, /* MMDC0_MDCTL */
+
+ /* Mode register writes for CS0 */
+ {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, MR0 write, CS0 */
+ {0x021B001C, 0x04008040}, /* MMDC0_MDSCR, ZQ calibration command sent
to device on CS0 */
+
+ /* Mode register writes for CS, commented out automatically if only
one chip select used */
+ /* {0x021B001C, 0x0200803A}, */
+ /* {0x021B001C, 0x0000803B}, */
+ /* {0x021B001C, 0x00048039}, */
+ /* {0x021B001C, 0x15208038}, */
+ /* {0x021B001C, 0x04008048}, */
+
+ /* final DDR setup, before operation start: */
+ {0x021B0020, 0x00000800}, /* MMDC0_MDREF */
+ {0x021B0818, 0x00000227}, /* DDR_PHY_P0_MPODTCTRL */
+ {0x021B0004, 0x0002556D}, /* MMDC0_MDPDC now SDCTL power down enabled
*/
+ {0x021B0404, 0x00011006}, /* MMDC0_MAPSR ADOPT power down enabled */
+ {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),
+ .dram_size = SZ_128M,
+};
diff --git a/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m_m2d.c
b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m_m2d.c
new file mode 100644
index 00000000000..e9f24f5afbb
--- /dev/null
+++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m_m2d.c
@@ -0,0 +1,122 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "spl_mtypes.h"
+
+static const struct dram_cfg_param ddr_ddrc_cfg_256mb[] = {
+ /* IOMUX */
+
+ /* DDR IO TYPE: */
+ {0x020E04B4, 0x000C0000}, /* IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE */
+ {0x020E04AC, 0x00000000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRPKE */
+
+ /* CLOCK: */
+ {0x020E027C, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK0_P */
+
+ /* Control: */
+ {0x020E0250, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_CAS */
+ {0x020E024C, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RAS */
+ {0x020E0490, 0x00000030}, /* IOMUXC_SW_PAD_CTL_GRP_ADDDS */
+ {0x020E0288, 0x000C0030}, /* 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, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT0 */
+ {0x020E0264, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT1 */
+ {0x020E04A0, 0x00000028}, /* IOMUXC_SW_PAD_CTL_GRP_CTLDS */
+
+ /* Data Strobes: */
+ {0x020E0494, 0x00020000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL */
+ {0x020E0280, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0_P */
+ {0x020E0284, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1_P */
+
+ /* Data: */
+ {0x020E04B0, 0x00020000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE */
+ {0x020E0498, 0x00000030}, /* IOMUXC_SW_PAD_CTL_GRP_B0DS */
+ {0x020E04A4, 0x00000030}, /* IOMUXC_SW_PAD_CTL_GRP_B1DS */
+ {0x020E0244, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0 */
+ {0x020E0248, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1 */
+
+ /*
============================================================================= */
+ /* DDR Controller Registers */
+ /*
============================================================================= */
+ /* Manufacturer:WINBOND */
+ /* Device Part Number:W632GU6RB-11 */
+ /* Clock Freq.: 400MHz */
+ /* Density per CS in Gb: 2 */
+ /* Chip Selects used:1 */
+ /* Total DRAM density (Gb)2 */
+ /* Number of Banks:8 */
+ /* Row address: 14 */
+ /* Column address: 10 */
+ /* Data bus width16 */
+ /*
============================================================================= */
+ {0x021B001C, 0x00008000}, /* [MMDC_MDSCR] MMDC Core Special Command
Register */
+
+ /* ====================================================== */
+ /* Calibrations: */
+ /* ====================================================== */
+ {0x021B0800, 0xA1390003}, /* DDR_PHY_P0_MPZQHWCTRL, enable both
one-time & periodic */
+ /* HW ZQ calibration. */
+
+ {0x021B080C, 0x00070005}, /* [MMDC_MPWLDECTRL0] MMDC PHY Write
Leveling Delay Control */
+ /* Register 0 */
+ {0x021B083C, 0x414C0150}, /* [MMDC_MPDGCTRL0] MMDC PHY Read DQS Gating
Control */
+ /* Register 0 */
+ {0x021B0848, 0x4040383E}, /* [MMDC_MPRDDLCTL] MMDC PHY Read
delay-lines Configuration */
+ /* Register */
+ {0x021B0850, 0x40402E2A}, /* [MMDC_MPWRDLCTL] MMDC PHY Write
delay-lines Configuration */
+ /* Register */
+
+ {0x021B081C, 0x33333333}, /* [MMDC_MPRDDQBY0DL] MMDC PHY Read DQ Byte0
Delay Register */
+ {0x021B0820, 0x33333333}, /* [MMDC_MPRDDQBY1DL] MMDC PHY Read DQ Byte1
Delay Register */
+
+ {0x021B082C, 0xf3333333}, /* [MMDC_MPWRDQBY0DL] MMDC PHY Write DQ
Byte0 Delay Register */
+ {0x021B0830, 0xf3333333}, /* [MMDC_MPWRDQBY1DL] MMDC PHY Write DQ
Byte1 Delay Register */
+
+ {0x021B08C0, 0x00944009}, /* [MMDC_MPDCCR] MMDC Duty Cycle Control
Register */
+
+ /* Complete calibration by forced measurement: */
+ {0x021B08B8, 0x00000800}, /* DDR_PHY_P0_MPMUR0, frc_msr */
+
+ /* ====================================================== */
+ /* MMDC init: */
+ /* ====================================================== */
+ {0x021B0004, 0x00020024}, /* MMDC0_MDPDC */
+ {0x021B0008, 0x1B333030}, /* MMDC0_MDOTC */
+ {0x021B000C, 0x3F4352D3}, /* MMDC0_MDCFG0 */
+ {0x021B0010, 0xB66D0A63}, /* MMDC0_MDCFG1 */
+ {0x021B0014, 0x01FF00DB}, /* MMDC0_MDCFG2 */
+ {0x021B0018, 0x00201740}, /* MMDC0_MDMISC */
+ {0x021B002C, 0x000026D2}, /* MMDC0_MDRWD; recommend to maintain the
default values */
+ {0x021B0030, 0x00431023}, /* MMDC0_MDOR */
+ {0x021B0040, 0x00000047}, /* CS0_END */
+ {0x021B0000, 0x83180000}, /* MMDC0_MDCTL */
+
+ /* Mode register writes for CS0 */
+ {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, MR0 write, CS0 */
+ {0x021B001C, 0x04008040}, /* MMDC0_MDSCR, ZQ calibration command sent
to device on CS0 */
+
+ /* Mode register writes for CS, commented out automatically */
+ /* if only one chip select used */
+ /* {0x021B001C, 0x0200803A}, */
+ /* {0x021B001C, 0x0000803B}, */
+ /* {0x021B001C, 0x00048039}, */
+ /* {0x021B001C, 0x15208038}, */
+ /* {0x021B001C, 0x04008048}, */
+
+ /* final DDR setup, before operation start: */
+ {0x021B0020, 0x00000800}, /* MMDC0_MDREF */
+ {0x021B0818, 0x00000227}, /* DDR_PHY_P0_MPODTCTRL */
+ {0x021B0004, 0x00025564}, /* MMDC0_MDPDC now SDCTL power down enabled
*/
+ {0x021B0404, 0x00011006}, /* MMDC0_MAPSR ADOPT power down enabled */
+ {0x021B001C, 0x00000000}, /* MMDC0_MDSCR, clear this register
(especially the */
+ /* configuration bit as initialization is
complete) */
+};
+
+struct dram_timing_info bsh_dram_timing_256mb = {
+ .ddrc_cfg = ddr_ddrc_cfg_256mb,
+ .ddrc_cfg_num = ARRAY_SIZE(ddr_ddrc_cfg_256mb),
+ .dram_size = SZ_256M,
+};
diff --git a/board/bsh/imx6ulz_smm_m2/ddr3l_timing_512m_m2d.c
b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_512m_m2d.c
new file mode 100644
index 00000000000..e767f9ed641
--- /dev/null
+++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_512m_m2d.c
@@ -0,0 +1,127 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "spl_mtypes.h"
+
+static const struct dram_cfg_param ddr_ddrc_cfg_512mb[] = {
+ /*
============================================================================= */
+ /* IOMUX */
+ /*
============================================================================= */
+ /* DDR IO TYPE: */
+ {0x020E04B4, 0x000C0000}, /* IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE */
+ {0x020E04AC, 0x00000000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRPKE */
+
+ /* CLOCK: */
+ {0x020E027C, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDCLK0_P */
+
+ /* Control: */
+ {0x020E0250, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_CAS */
+ {0x020E024C, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_RAS */
+ {0x020E0490, 0x00000030}, /* IOMUXC_SW_PAD_CTL_GRP_ADDDS */
+ {0x020E0288, 0x000C0030}, /* 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, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT0 */
+ {0x020E0264, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_ODT1 */
+ {0x020E04A0, 0x00000030}, /* IOMUXC_SW_PAD_CTL_GRP_CTLDS */
+
+ /* Data Strobes: */
+ {0x020E0494, 0x00020000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE_CTL */
+ {0x020E0280, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS0_P */
+ {0x020E0284, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_SDQS1_P */
+
+ /* Data: */
+ {0x020E04B0, 0x00020000}, /* IOMUXC_SW_PAD_CTL_GRP_DDRMODE */
+ {0x020E0498, 0x00000030}, /* IOMUXC_SW_PAD_CTL_GRP_B0DS */
+ {0x020E04A4, 0x00000030}, /* IOMUXC_SW_PAD_CTL_GRP_B1DS */
+ {0x020E0244, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM0 */
+ {0x020E0248, 0x00000030}, /* IOMUXC_SW_PAD_CTL_PAD_DRAM_DQM1 */
+
+ /*
============================================================================= */
+ /* DDR Controller Registers */
+ /*
============================================================================= */
+ /* Manufacturer 1:NANYA */
+ /* Device Part Number 1:NT5CC256M16ER-EKI */
+ /* Manufacturer 2:MICRON */
+ /* Device Part Number 2:MT41K256M16TW-107 */
+ /* Clock Freq.: 400MHz */
+ /* Density per CS in Gb: 4 */
+ /* Chip Selects used:1 */
+ /* Total DRAM density (Gb)4 */
+ /* Number of Banks:8 */
+ /* Row address: 15 */
+ /* Column address: 10 */
+ /* Data bus width16 */
+ /*
============================================================================= */
+ {0x021B001C, 0x00008000}, /* [MMDC_MDSCR] MMDC Core Special Command
Register */
+
+ /* ====================================================== */
+ /* Calibrations: */
+ /* ====================================================== */
+ {0x021B0800, 0xA1390003}, /* DDR_PHY_P0_MPZQHWCTRL, */
+ /* enable both one-time & periodic HW ZQ calibration. */
+
+ {0x021B080C, 0x00070004}, /* [MMDC_MPWLDECTRL0] MMDC PHY Write
Leveling */
+ /* Delay Control Register 0 */
+ {0x021B083C, 0x414C014C}, /* [MMDC_MPDGCTRL0] MMDC PHY Read DQS */
+ /* Gating Control Register 0 */
+ {0x021B0848, 0x40403A3E}, /* [MMDC_MPRDDLCTL] MMDC PHY Read
delay-lines */
+ /* Configuration Register */
+ {0x021B0850, 0x40402E28}, /* [MMDC_MPWRDLCTL] MMDC PHY Write
delay-lines */
+ /* Configuration Register */
+
+ {0x021B081C, 0x33333333}, /* [MMDC_MPRDDQBY0DL] MMDC PHY Read DQ Byte0
Delay Register */
+ {0x021B0820, 0x33333333}, /* [MMDC_MPRDDQBY1DL] MMDC PHY Read DQ Byte1
Delay Register */
+
+ {0x021B082C, 0xf3333333}, /* [MMDC_MPWRDQBY0DL] MMDC PHY Write DQ
Byte0 Delay Register */
+ {0x021B0830, 0xf3333333}, /* [MMDC_MPWRDQBY1DL] MMDC PHY Write DQ
Byte1 Delay Register */
+
+ {0x021B08C0, 0x00944009}, /* [MMDC_MPDCCR] MMDC Duty Cycle Control
Register */
+
+ /* Complete calibration by forced measurement: */
+ {0x021B08B8, 0x00000800}, /* DDR_PHY_P0_MPMUR0, frc_msr */
+
+ /* ====================================================== */
+ /* MMDC init: */
+ /* ====================================================== */
+ {0x021B0004, 0x0002002D}, /* MMDC0_MDPDC */
+ {0x021B0008, 0x1B333030}, /* MMDC0_MDOTC */
+ {0x021B000C, 0x616552F3}, /* MMDC0_MDCFG0 */
+ {0x021B0010, 0xB62C0A63}, /* MMDC0_MDCFG1 */
+ {0x021B0014, 0x01FF00DB}, /* MMDC0_MDCFG2 */
+ {0x021B0018, 0x00201740}, /* MMDC0_MDMISC */
+ {0x021B002C, 0x000026D2}, /* MMDC0_MDRWD; recommend to maintain the
default values */
+ {0x021B0030, 0x00651023}, /* MMDC0_MDOR */
+ {0x021B0040, 0x0000004F}, /* CS0_END */
+ {0x021B0000, 0x84180000}, /* MMDC0_MDCTL */
+
+ /* Mode register writes for CS0 */
+ {0x021B001C, 0x02008032}, /* MMDC0_MDSCR, MR2 write, CS0 */
+ {0x021B001C, 0x00008033}, /* MMDC0_MDSCR, MR3 write, CS0 */
+ {0x021B001C, 0x00048031}, /* MMDC0_MDSCR, MR1 write, CS0 */
+ {0x021B001C, 0x15208030}, /* MMDC0_MDSCR, MR0 write, CS0 */
+ {0x021B001C, 0x04008040}, /* MMDC0_MDSCR, ZQ calibration command sent
*/
+ /* to device on CS0 */
+
+ /* Mode register writes for CS, commented out automatically */
+ /* if only one chip select used */
+ /* {0x021B001C,0x0200803A}, */
+ /* {0x021B001C,0x0000803B}, */
+ /* {0x021B001C,0x00048039}, */
+ /* {0x021B001C,0x15208038}, */
+ /* {0x021B001C,0x04008048}, */
+
+ /* final DDR setup, before operation start: */
+ {0x021B0020, 0x00000800}, /* MMDC0_MDREF */
+ {0x021B0818, 0x00000227}, /* DDR_PHY_P0_MPODTCTRL */
+ {0x021B0004, 0x0002556D}, /* MMDC0_MDPDC now SDCTL power down enabled
*/
+ {0x021B0404, 0x00011006}, /* MMDC0_MAPSR ADOPT power down enabled */
+ {0x021B001C, 0x00000000}, /* MMDC0_MDSCR, clear this register */
+ /* (especially the configuration bit as initialization
is complete) */
+};
+
+struct dram_timing_info bsh_dram_timing_512mb = {
+ .ddrc_cfg = ddr_ddrc_cfg_512mb,
+ .ddrc_cfg_num = ARRAY_SIZE(ddr_ddrc_cfg_512mb),
+ .dram_size = SZ_512M,
+};
diff --git a/configs/imx6ulz_smm_m2d_defconfig
b/configs/imx6ulz_smm_m2d_defconfig
new file mode 100644
index 00000000000..b3f9efa4941
--- /dev/null
+++ b/configs/imx6ulz_smm_m2d_defconfig
@@ -0,0 +1,2 @@
+#include <configs/imx6ulz_smm_m2.config>
+CONFIG_BSH_M2D_MEMORY=y
diff --git a/doc/board/bsh/imx6ulz_bsh_smm_m2.rst
b/doc/board/bsh/imx6ulz_bsh_smm_m2.rst
index 0f391a17ade..0af41c09d20 100644
--- a/doc/board/bsh/imx6ulz_bsh_smm_m2.rst
+++ b/doc/board/bsh/imx6ulz_bsh_smm_m2.rst
@@ -1,7 +1,7 @@
.. SPDX-License-Identifier: GPL-2.0+
-How to Update U-Boot on imx6ulz_smm_m2 and imx6ulz_smm_m2b boards
-=================================================================
+How to Update U-Boot on imx6ulz_smm_m2, imx6ulz_smm_m2b and imx6ulz_smm_m2d
boards
+==================================================================================
Required software on the host PC:
@@ -23,6 +23,14 @@ Build U-Boot for m2b:
$ make imx6ulz_smm_m2b_defconfig
$ make
+Build U-Boot for m2d:
+
+.. code-block:: bash
+
+ $ make mrproper
+ $ make imx6ulz_smm_m2d_defconfig
+ $ make
+
This generates the SPL and u-boot-dtb.img binaries.
Loading U-Boot via USB Serial Download Protocol
--
2.48.1
