diff options
Diffstat (limited to 'board/bsh')
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/Kconfig | 21 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/MAINTAINERS | 1 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/Makefile | 3 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m.c | 170 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m_m2b.c | 152 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m.c | 169 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m_m2b.c | 137 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/ddr3l_timing_512m.c | 169 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/spl.c | 112 | ||||
| -rw-r--r-- | board/bsh/imx6ulz_smm_m2/spl_mtypes.h | 28 | ||||
| -rw-r--r-- | board/bsh/imx8mn_smm_s2/spl.c | 2 |
11 files changed, 896 insertions, 68 deletions
diff --git a/board/bsh/imx6ulz_smm_m2/Kconfig b/board/bsh/imx6ulz_smm_m2/Kconfig index e38df7ce5cb..20971aa4fe1 100644 --- a/board/bsh/imx6ulz_smm_m2/Kconfig +++ b/board/bsh/imx6ulz_smm_m2/Kconfig @@ -9,4 +9,25 @@ config SYS_VENDOR config SYS_CONFIG_NAME default "imx6ulz_smm_m2" +choice + prompt "Memory Type (M2/M2B) board" + default BSH_M2_MEMORY + help + Memory type setup. + Please choose correct memory model here. + +config BSH_M2_MEMORY + bool "Enable for bsh m2 variant" + help + If this option is enabled, U-Boot will be configured to support + imx6ulz bsh m2 revision memories. + +config BSH_M2B_MEMORY + bool "Enable for bsh m2b variant" + help + If this option is enabled, U-Boot will be configured to support + imx6ulz bsh m2b revision memories. + +endchoice + endif diff --git a/board/bsh/imx6ulz_smm_m2/MAINTAINERS b/board/bsh/imx6ulz_smm_m2/MAINTAINERS index 77a033c6cbb..a75cddd72f8 100644 --- a/board/bsh/imx6ulz_smm_m2/MAINTAINERS +++ b/board/bsh/imx6ulz_smm_m2/MAINTAINERS @@ -4,3 +4,4 @@ S: Maintained 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 diff --git a/board/bsh/imx6ulz_smm_m2/Makefile b/board/bsh/imx6ulz_smm_m2/Makefile index 59870419bdd..233bbff4c16 100644 --- a/board/bsh/imx6ulz_smm_m2/Makefile +++ b/board/bsh/imx6ulz_smm_m2/Makefile @@ -3,4 +3,5 @@ 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_256m_m2b.o ddr3l_timing_128m_m2b.o 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..f11654a8ceb --- /dev/null +++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m.c @@ -0,0 +1,170 @@ +// 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), + .dram_size = SZ_128M, +}; diff --git a/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m_m2b.c b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m_m2b.c new file mode 100644 index 00000000000..f989e24f567 --- /dev/null +++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_128m_m2b.c @@ -0,0 +1,152 @@ +// 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: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}, /* + * 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, 0x00060002}, + + /* Read DQS Gating calibration */ + {0x021b083c, 0x414c0150}, /* MPDGCTRL0 PHY0 */ + + /* Read calibration */ + {0x021b0848, 0x4040363e}, /* MPRDDLCTL PHY0 */ + + /* Write calibration */ + {0x021b0850, 0x40402a28}, /* 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 */ + + /* 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 */ + {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 + */ + + /* 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, + * 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), + .dram_size = SZ_128M, +}; diff --git a/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m.c b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m.c new file mode 100644 index 00000000000..5dfc9f5c70d --- /dev/null +++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m.c @@ -0,0 +1,169 @@ +// 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, 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: 2 + * Chip Selects used:1 + * Number of Banks:8 + * Row address: 14 + * 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, 0x00050005}, + + /* Read DQS Gating calibration */ + {0x021b083c, 0x01480144}, /* MPDGCTRL0 PHY0 */ + + /* Read calibration */ + {0x021b0848, 0x4040363A}, /* MPRDDLCTL PHY0 */ + + /* Write calibration */ + {0x021b0850, 0x40402E2C}, /* MPWRDLCTL PHY0 */ + + /* + * Read data bit delay: 3 is the reccommended 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, 0x3F435333}, /* MMDC0_MDCFG0 */ + {0x021b0010, 0xB68E0B63}, /* 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 performence improvment + */ + {0x021b0018, 0x00211740}, /* MMDC0_MDMISC */ + {0x021b001c, 0x00008000}, /* + * MMDC0_MDSCR, set the Configuration request bit during + * MMDC set up + */ + {0x021b002c, 0x000026D2}, /* MMDC0_MDRWD */ + {0x021b0030, 0x00431023}, /* MMDC0_MDOR */ + {0x021b0040, 0x00000047}, /* Chan0 CS0_END */ + {0x021b0000, 0x83180000}, /* 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_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_256m_m2b.c b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m_m2b.c new file mode 100644 index 00000000000..c44f632b928 --- /dev/null +++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_256m_m2b.c @@ -0,0 +1,137 @@ +// 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 */ + + /* Address: */ + {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 */ + + /* Control: */ + {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}, /* + * 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, 0x00070005}, + + /* Read DQS Gating calibration */ + {0x021b083c, 0x414c0150}, /* MPDGCTRL0 PHY0 */ + + /* Read calibration */ + {0x021b0848, 0x4040383e}, /* MMDC_MPRDDLCTL */ + + /* Write calibration */ + {0x021b0850, 0x40402e2a}, /* MMDC_MPWRDLCTL */ + + {0x021B081C, 0x33333333}, /* MMDC_MPRDDQBY0DL */ + {0x021B0820, 0x33333333}, /* MMDC_MPRDDQBY1DL */ + + {0x021B082C, 0xf3333333}, /* MMDC_MPWRDQBY0DL */ + {0x021B0830, 0xf3333333}, /* MMDC_MPWRDQBY1DL */ + + {0x021B08C0, 0x00944009}, /* MMDC_MPDCCR */ + + /* 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 */ + {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 */ + + /* 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.c b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_512m.c new file mode 100644 index 00000000000..4c2ffcd429d --- /dev/null +++ b/board/bsh/imx6ulz_smm_m2/ddr3l_timing_512m.c @@ -0,0 +1,169 @@ +// 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, 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: 2 + * Chip Selects used:1 + * Number of Banks:8 + * Row address: 14 + * 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, 0x01440140}, /* MPDGCTRL0 PHY0 */ + + /* Read calibration */ + {0x021b0848, 0x40403A3E}, /* MPRDDLCTL PHY0 */ + + /* Write calibration */ + {0x021b0850, 0x4040322A}, /* MPWRDLCTL PHY0 */ + + /* + * Read data bit delay: 3 is the reccommended 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, 0x3F435333}, /* MMDC0_MDCFG0 */ + {0x021b0010, 0xB68E0B63}, /* 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 performence improvment + */ + {0x021b0018, 0x00211740}, /* MMDC0_MDMISC */ + {0x021b001c, 0x00008000}, /* + * MMDC0_MDSCR set the Configuration request bit during + * MMDC set up + */ + {0x021b002c, 0x000026D2}, /* MMDC0_MDRWD */ + {0x021b0030, 0x00431023}, /* MMDC0_MDOR */ + {0x021b0040, 0x0000004F}, /* Chan0 CS0_END */ + {0x021b0000, 0x84180000}, /* 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_512mb = { + .ddrc_cfg = ddr_ddrc_cfg_512mb, + .ddrc_cfg_num = ARRAY_SIZE(ddr_ddrc_cfg_512mb), + .dram_size = SZ_512M, +}; diff --git a/board/bsh/imx6ulz_smm_m2/spl.c b/board/bsh/imx6ulz_smm_m2/spl.c index 724841b5745..7aea73f0f5d 100644 --- a/board/bsh/imx6ulz_smm_m2/spl.c +++ b/board/bsh/imx6ulz_smm_m2/spl.c @@ -13,10 +13,13 @@ #include <asm/gpio.h> #include <asm/mach-imx/iomux-v3.h> #include <asm/mach-imx/boot_mode.h> +#include <linux/delay.h> #include <linux/libfdt.h> #include <spl.h> #include <asm/arch/mx6-ddr.h> +#include "spl_mtypes.h" + #define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) @@ -31,69 +34,51 @@ static void setup_iomux_uart(void) imx_iomux_v3_setup_multiple_pads(uart4_pads, ARRAY_SIZE(uart4_pads)); } -static struct mx6ul_iomux_grp_regs mx6_grp_ioregs = { - .grp_addds = 0x00000028, - .grp_ddrmode_ctl = 0x00020000, - .grp_b0ds = 0x00000028, - .grp_ctlds = 0x00000028, - .grp_b1ds = 0x00000028, - .grp_ddrpke = 0x00000000, - .grp_ddrmode = 0x00020000, - .grp_ddr_type = 0x000c0000, -}; +static void ddr_cfg_write(const struct dram_timing_info *dram_timing_info) +{ + int i; + const struct dram_cfg_param *ddrc_cfg = dram_timing_info->ddrc_cfg; + const int ddrc_cfg_num = dram_timing_info->ddrc_cfg_num; + struct mmdc_p_regs *mmdc0 = (struct mmdc_p_regs *)MMDC_P0_BASE_ADDR; -static struct mx6ul_iomux_ddr_regs mx6_ddr_ioregs = { - .dram_dqm0 = 0x00000028, - .dram_dqm1 = 0x00000028, - .dram_ras = 0x00000028, - .dram_cas = 0x00000028, - .dram_odt0 = 0x00000028, - .dram_odt1 = 0x00000028, - .dram_sdba2 = 0x00000000, - .dram_sdclk_0 = 0x00000028, - .dram_sdqs0 = 0x00000028, - .dram_sdqs1 = 0x00000028, - .dram_reset = 0x000c0028, -}; + clrbits_le32(&mmdc0->mdctl, 1 << 31); /* clear SDE_0 */ + clrbits_le32(&mmdc0->mdctl, 1 << 30); /* clear SDE_1 */ -static struct mx6_mmdc_calibration mx6_mmcd_calib = { - .p0_mpwldectrl0 = 0x00000000, - .p0_mpwldectrl1 = 0x00100010, - .p0_mpdgctrl0 = 0x414c014c, - .p0_mpdgctrl1 = 0x00000000, - .p0_mprddlctl = 0x40403a42, - .p0_mpwrdlctl = 0x4040342e, -}; + for (i = 0; i < ddrc_cfg_num; i++) { + debug("Writing 0x%x to register 0x%x\n", ddrc_cfg->val, + ddrc_cfg->reg); + writel(ddrc_cfg->val, ddrc_cfg->reg); + ddrc_cfg++; + } +} -static struct mx6_ddr_sysinfo ddr_sysinfo = { - .dsize = 0, - .cs1_mirror = 0, - .cs_density = 32, - .ncs = 1, - .bi_on = 1, - .rtt_nom = 1, - .rtt_wr = 0, - .ralat = 5, - .walat = 1, - .mif3_mode = 3, - .rst_to_cke = 0x23, /* 33 cycles (JEDEC value for DDR3) - total of 500 us */ - .sde_to_rst = 0x10, /* 14 cycles (JEDEC value for DDR3) - total of 200 us */ - .refsel = 1, - .refr = 3, +static const struct dram_timing_info *board_dram_timing[] = { +#if defined(CONFIG_M2_MEMORY) + &bsh_dram_timing_512mb, +#endif + &bsh_dram_timing_256mb, + &bsh_dram_timing_128mb, }; -static struct mx6_ddr3_cfg mem_ddr = { - .mem_speed = 1333, - .density = 2, - .width = 16, - .banks = 8, - .rowaddr = 13, - .coladdr = 10, - .pagesz = 2, - .trcd = 1350, - .trcmin = 4950, - .trasmin = 3600, -}; +static void spl_dram_init(void) +{ + /* Configure memory to maximum supported size for detection */ + ddr_cfg_write(board_dram_timing[0]); + + /* Detect memory physically present */ + gd->ram_size = get_ram_size((void *)CFG_SYS_SDRAM_BASE, board_dram_timing[0]->dram_size); + + if (board_dram_timing[0]->dram_size == gd->ram_size) + return; + + for (size_t index = 1; index < ARRAY_SIZE(board_dram_timing); index++) { + if (board_dram_timing[index]->dram_size == gd->ram_size) { + udelay(1); + ddr_cfg_write(board_dram_timing[index]); + break; + } + } +} static void ccgr_init(void) { @@ -108,20 +93,17 @@ static void ccgr_init(void) writel(0xFFFFFFFF, &ccm->CCGR6); } -static void imx6ul_spl_dram_cfg(void) -{ - mx6ul_dram_iocfg(mem_ddr.width, &mx6_ddr_ioregs, &mx6_grp_ioregs); - mx6_dram_cfg(&ddr_sysinfo, &mx6_mmcd_calib, &mem_ddr); -} - void board_init_f(ulong dummy) { ccgr_init(); + + /* DDR initialization */ + spl_dram_init(); + arch_cpu_init(); timer_init(); setup_iomux_uart(); preloader_console_init(); - imx6ul_spl_dram_cfg(); } void reset_cpu(void) diff --git a/board/bsh/imx6ulz_smm_m2/spl_mtypes.h b/board/bsh/imx6ulz_smm_m2/spl_mtypes.h new file mode 100644 index 00000000000..06d6f2d76d8 --- /dev/null +++ b/board/bsh/imx6ulz_smm_m2/spl_mtypes.h @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright 2025 BSH Hausgeraete GmbH + * + * Written by: Simon Holesch <simon.holesch@bshg.com> + */ + +#ifndef SPL_MTYPES_H +#define SPL_MTYPES_H + +#include <spl.h> + +struct dram_cfg_param { + unsigned int reg; + unsigned int val; +}; + +struct dram_timing_info { + const struct dram_cfg_param *ddrc_cfg; + unsigned int ddrc_cfg_num; + size_t dram_size; +}; + +extern struct dram_timing_info bsh_dram_timing_128mb; +extern struct dram_timing_info bsh_dram_timing_256mb; +extern struct dram_timing_info bsh_dram_timing_512mb; + +#endif /* SPL_MTYPES_H */ diff --git a/board/bsh/imx8mn_smm_s2/spl.c b/board/bsh/imx8mn_smm_s2/spl.c index 5a77d28cb7e..d36ddd24c63 100644 --- a/board/bsh/imx8mn_smm_s2/spl.c +++ b/board/bsh/imx8mn_smm_s2/spl.c @@ -43,8 +43,6 @@ void spl_board_init(void) int board_early_init_f(void) { - init_uart_clk(3); - if (IS_ENABLED(CONFIG_NAND_MXS)) { init_nand_clk(); } |