void config_ddr(const struct ddr_data *data, const struct cmd_control *ctrl, const struct emif_regs *regs, const struct dmm_lisa_map_regs *lisa_regs, int nrs) { int i; enable_emif_clocks(); for (i = 0; i < nrs; i++) ddr_init_settings(ctrl, i); enable_dmm_clocks(); /* Program the DMM to for non-interleaved configuration */ config_dmm(lisa_regs); /* Program EMIF CFG Registers */ for (i = 0; i < nrs; i++) { set_sdram_timings(regs, i); config_sdram(regs, i); } udelay(1000); for (i = 0; i < nrs; i++) ddr3_sw_levelling(data, i); udelay(50000); /* Some delay needed */ }
void config_ddr(short ddr_type) { int ddr_pll, ioctrl_val; const struct emif_regs *emif_regs; const struct ddr_data *ddr_data; const struct cmd_control *cmd_ctrl_data; if (ddr_type == EMIF_REG_SDRAM_TYPE_DDR2) { ddr_pll = 266; cmd_ctrl_data = &ddr2_cmd_ctrl_data; ddr_data = &ddr2_data; ioctrl_val = DDR2_IOCTRL_VALUE; emif_regs = &ddr2_emif_reg_data; } else if (ddr_type == EMIF_REG_SDRAM_TYPE_DDR3) { ddr_pll = 303; ioctrl_val = DDR3_IOCTRL_VALUE; cmd_ctrl_data = &ddr3_cmd_ctrl_data; if (board_is_evm_15_or_later()) { ddr_data = &ddr3_evm_data; emif_regs = &ddr3_evm_emif_reg_data; } else { ddr_data = &ddr3_data; emif_regs = &ddr3_emif_reg_data; } } else { puts("Unknown memory type"); hang(); } enable_emif_clocks(); ddr_pll_config(ddr_pll); config_vtp(); config_cmd_ctrl(cmd_ctrl_data); config_ddr_data(0, ddr_data); config_ddr_data(1, ddr_data); config_io_ctrl(ioctrl_val); /* Set CKE to be controlled by EMIF/DDR PHY */ writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl); /* Program EMIF instance */ config_ddr_phy(emif_regs); set_sdram_timings(emif_regs); config_sdram(emif_regs); }
void config_ddr(unsigned int pll, const struct ctrl_ioregs *ioregs, const struct ddr_data *data, const struct cmd_control *ctrl, const struct emif_regs *regs, int nr) { ddr_pll_config(pll); #ifndef CONFIG_TI816X config_vtp(nr); #endif config_cmd_ctrl(ctrl, nr); config_ddr_data(data, nr); #ifdef CONFIG_AM33XX config_io_ctrl(ioregs); /* Set CKE to be controlled by EMIF/DDR PHY */ writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl); #endif #ifdef CONFIG_AM43XX writel(readl(&cm_device->cm_dll_ctrl) & ~0x1, &cm_device->cm_dll_ctrl); while ((readl(&cm_device->cm_dll_ctrl) & CM_DLL_READYST) == 0) ; config_io_ctrl(ioregs); /* Set CKE to be controlled by EMIF/DDR PHY */ writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl); /* Allow EMIF to control DDR_RESET */ writel(0x00000000, &ddrctrl->ddrioctrl); #endif /* Program EMIF instance */ config_ddr_phy(regs, nr); set_sdram_timings(regs, nr); if (get_emif_rev(EMIF1_BASE) == EMIF_4D5) config_sdram_emif4d5(regs, nr); else config_sdram(regs, nr); }
void config_ddr(unsigned int pll, unsigned int ioctrl, const struct ddr_data *data, const struct cmd_control *ctrl, const struct emif_regs *regs) { enable_emif_clocks(); ddr_pll_config(pll); config_vtp(); config_cmd_ctrl(ctrl); config_ddr_data(0, data); config_ddr_data(1, data); config_io_ctrl(ioctrl); /* Set CKE to be controlled by EMIF/DDR PHY */ writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl); /* Program EMIF instance */ config_ddr_phy(regs); set_sdram_timings(regs); config_sdram(regs); }