diff options
| -rw-r--r-- | arch/arm/include/asm/arch-am33xx/ddr_defs.h | 17 | ||||
| -rw-r--r-- | board/ti/am335x/board.c | 39 |
2 files changed, 55 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-am33xx/ddr_defs.h b/arch/arm/include/asm/arch-am33xx/ddr_defs.h index 72156af5c..260cc3484 100644 --- a/arch/arm/include/asm/arch-am33xx/ddr_defs.h +++ b/arch/arm/include/asm/arch-am33xx/ddr_defs.h @@ -83,6 +83,23 @@ #define MT41J256M8HX15E_PHY_FIFO_WE 0x100 #define MT41J256M8HX15E_IOCTRL_VALUE 0x18B +/* Micron MT41K256M16HA-125E */ +#define MT41K256M16HA125E_EMIF_READ_LATENCY 0x100006 +#define MT41K256M16HA125E_EMIF_TIM1 0x0888A39B +#define MT41K256M16HA125E_EMIF_TIM2 0x26517FDA +#define MT41K256M16HA125E_EMIF_TIM3 0x501F84EF +#define MT41K256M16HA125E_EMIF_SDCFG 0x61C04BB2 +#define MT41K256M16HA125E_EMIF_SDREF 0x0000093B +#define MT41K256M16HA125E_ZQ_CFG 0x50074BE4 +#define MT41K256M16HA125E_DLL_LOCK_DIFF 0x1 +#define MT41K256M16HA125E_RATIO 0x40 +#define MT41K256M16HA125E_INVERT_CLKOUT 0x0 +#define MT41K256M16HA125E_RD_DQS 0x3C +#define MT41K256M16HA125E_WR_DQS 0x45 +#define MT41K256M16HA125E_PHY_WR_DATA 0x7F +#define MT41K256M16HA125E_PHY_FIFO_WE 0x9B +#define MT41K256M16HA125E_IOCTRL_VALUE 0x18B + /* Micron MT41J512M8RH-125 on EVM v1.5 */ #define MT41J512M8RH125_EMIF_READ_LATENCY 0x06 #define MT41J512M8RH125_EMIF_TIM1 0x0888A39B diff --git a/board/ti/am335x/board.c b/board/ti/am335x/board.c index d61d650ea..12620bb69 100644 --- a/board/ti/am335x/board.c +++ b/board/ti/am335x/board.c @@ -208,6 +208,14 @@ static const struct ddr_data ddr3_data = { .datadldiff0 = PHY_DLL_LOCK_DIFF, }; +static const struct ddr_data ddr3_beagleblack_data = { + .datardsratio0 = MT41K256M16HA125E_RD_DQS, + .datawdsratio0 = MT41K256M16HA125E_WR_DQS, + .datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE, + .datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA, + .datadldiff0 = PHY_DLL_LOCK_DIFF, +}; + static const struct ddr_data ddr3_evm_data = { .datardsratio0 = MT41J512M8RH125_RD_DQS, .datawdsratio0 = MT41J512M8RH125_WR_DQS, @@ -230,6 +238,20 @@ static const struct cmd_control ddr3_cmd_ctrl_data = { .cmd2iclkout = MT41J128MJT125_INVERT_CLKOUT, }; +static const struct cmd_control ddr3_beagleblack_cmd_ctrl_data = { + .cmd0csratio = MT41K256M16HA125E_RATIO, + .cmd0dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, + .cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT, + + .cmd1csratio = MT41K256M16HA125E_RATIO, + .cmd1dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, + .cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT, + + .cmd2csratio = MT41K256M16HA125E_RATIO, + .cmd2dldiff = MT41K256M16HA125E_DLL_LOCK_DIFF, + .cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT, +}; + static const struct cmd_control ddr3_evm_cmd_ctrl_data = { .cmd0csratio = MT41J512M8RH125_RATIO, .cmd0dldiff = MT41J512M8RH125_DLL_LOCK_DIFF, @@ -255,6 +277,16 @@ static struct emif_regs ddr3_emif_reg_data = { PHY_EN_DYN_PWRDN, }; +static struct emif_regs ddr3_beagleblack_emif_reg_data = { + .sdram_config = MT41K256M16HA125E_EMIF_SDCFG, + .ref_ctrl = MT41K256M16HA125E_EMIF_SDREF, + .sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1, + .sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2, + .sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3, + .zq_config = MT41K256M16HA125E_ZQ_CFG, + .emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY, +}; + static struct emif_regs ddr3_evm_emif_reg_data = { .sdram_config = MT41J512M8RH125_EMIF_SDCFG, .ref_ctrl = MT41J512M8RH125_EMIF_SDREF, @@ -343,9 +375,14 @@ void s_init(void) gpio_direction_output(GPIO_DDR_VTT_EN, 1); } - if (board_is_evm_sk() || board_is_bone_lt()) + if (board_is_evm_sk()) config_ddr(303, MT41J128MJT125_IOCTRL_VALUE, &ddr3_data, &ddr3_cmd_ctrl_data, &ddr3_emif_reg_data, 0); + else if (board_is_bone_lt()) + config_ddr(303, MT41K256M16HA125E_IOCTRL_VALUE, + &ddr3_beagleblack_data, + &ddr3_beagleblack_cmd_ctrl_data, + &ddr3_beagleblack_emif_reg_data, 0); else if (board_is_evm_15_or_later()) config_ddr(303, MT41J512M8RH125_IOCTRL_VALUE, &ddr3_evm_data, &ddr3_evm_cmd_ctrl_data, &ddr3_evm_emif_reg_data, 0); |