static struct ddr_cmdtctrl *ioctrl_reg = {
(struct ddr_cmdtctrl *)DDR_CONTROL_BASE_ADDR};
+static inline u32 get_mr(int nr, u32 cs, u32 mr_addr)
+{
+ u32 mr;
+
+ mr_addr |= cs << EMIF_REG_CS_SHIFT;
+ writel(mr_addr, &emif_reg[nr]->emif_lpddr2_mode_reg_cfg);
+
+ mr = readl(&emif_reg[nr]->emif_lpddr2_mode_reg_data);
+ debug("get_mr: EMIF1 cs %d mr %08x val 0x%x\n", cs, mr_addr, mr);
+ if (((mr & 0x0000ff00) >> 8) == (mr & 0xff) &&
+ ((mr & 0x00ff0000) >> 16) == (mr & 0xff) &&
+ ((mr & 0xff000000) >> 24) == (mr & 0xff))
+ return mr & 0xff;
+ else
+ return mr;
+}
+
+static inline void set_mr(int nr, u32 cs, u32 mr_addr, u32 mr_val)
+{
+ mr_addr |= cs << EMIF_REG_CS_SHIFT;
+ writel(mr_addr, &emif_reg[nr]->emif_lpddr2_mode_reg_cfg);
+ writel(mr_val, &emif_reg[nr]->emif_lpddr2_mode_reg_data);
+}
+
+static void configure_mr(int nr, u32 cs)
+{
+ u32 mr_addr;
+
+ while (get_mr(nr, cs, LPDDR2_MR0) & LPDDR2_MR0_DAI_MASK)
+ ;
+ set_mr(nr, cs, LPDDR2_MR10, 0x56);
+
+ set_mr(nr, cs, LPDDR2_MR1, 0x43);
+ set_mr(nr, cs, LPDDR2_MR2, 0x2);
+
+ mr_addr = LPDDR2_MR2 | EMIF_REG_REFRESH_EN_MASK;
+ set_mr(nr, cs, mr_addr, 0x2);
+}
+
+/*
+ * Configure EMIF4D5 registers and MR registers
+ */
+void config_sdram_emif4d5(const struct emif_regs *regs, int nr)
+{
+ writel(0xA0, &emif_reg[nr]->emif_pwr_mgmt_ctrl);
+ writel(0xA0, &emif_reg[nr]->emif_pwr_mgmt_ctrl_shdw);
+ writel(0x1, &emif_reg[nr]->emif_iodft_tlgc);
+ writel(regs->zq_config, &emif_reg[nr]->emif_zq_config);
+
+ writel(regs->temp_alert_config, &emif_reg[nr]->emif_temp_alert_config);
+ writel(regs->emif_rd_wr_lvl_rmp_win,
+ &emif_reg[nr]->emif_rd_wr_lvl_rmp_win);
+ writel(regs->emif_rd_wr_lvl_rmp_ctl,
+ &emif_reg[nr]->emif_rd_wr_lvl_rmp_ctl);
+ writel(regs->emif_rd_wr_lvl_ctl, &emif_reg[nr]->emif_rd_wr_lvl_ctl);
+ writel(regs->emif_rd_wr_exec_thresh,
+ &emif_reg[nr]->emif_rd_wr_exec_thresh);
+
+ writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl);
+ writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config);
+ writel(regs->sdram_config, &cstat->secure_emif_sdram_config);
+
+ if (emif_sdram_type() == EMIF_SDRAM_TYPE_LPDDR2) {
+ configure_mr(nr, 0);
+ configure_mr(nr, 1);
+ }
+}
+
/**
* Configure SDRAM
*/
writel(regs->sdram_tim3, &emif_reg[nr]->emif_sdram_tim_3_shdw);
}
+void __weak emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size)
+{
+}
+
+/*
+ * Configure EXT PHY registers
+ */
+static void ext_phy_settings(const struct emif_regs *regs, int nr)
+{
+ u32 *ext_phy_ctrl_base = 0;
+ u32 *emif_ext_phy_ctrl_base = 0;
+ const u32 *ext_phy_ctrl_const_regs;
+ u32 i = 0;
+ u32 size;
+
+ ext_phy_ctrl_base = (u32 *)&(regs->emif_ddr_ext_phy_ctrl_1);
+ emif_ext_phy_ctrl_base =
+ (u32 *)&(emif_reg[nr]->emif_ddr_ext_phy_ctrl_1);
+
+ /* Configure external phy control timing registers */
+ for (i = 0; i < EMIF_EXT_PHY_CTRL_TIMING_REG; i++) {
+ writel(*ext_phy_ctrl_base, emif_ext_phy_ctrl_base++);
+ /* Update shadow registers */
+ writel(*ext_phy_ctrl_base++, emif_ext_phy_ctrl_base++);
+ }
+
+ /*
+ * external phy 6-24 registers do not change with
+ * ddr frequency
+ */
+ emif_get_ext_phy_ctrl_const_regs(&ext_phy_ctrl_const_regs, &size);
+
+ if (!size)
+ return;
+
+ for (i = 0; i < size; i++) {
+ writel(ext_phy_ctrl_const_regs[i], emif_ext_phy_ctrl_base++);
+ /* Update shadow registers */
+ writel(ext_phy_ctrl_const_regs[i], emif_ext_phy_ctrl_base++);
+ }
+}
+
/**
* Configure DDR PHY
*/
void config_ddr_phy(const struct emif_regs *regs, int nr)
{
+ /*
+ * disable initialization and refreshes for now until we
+ * finish programming EMIF regs.
+ */
+ setbits_le32(&emif_reg[nr]->emif_sdram_ref_ctrl,
+ EMIF_REG_INITREF_DIS_MASK);
+
writel(regs->emif_ddr_phy_ctlr_1,
&emif_reg[nr]->emif_ddr_phy_ctrl_1);
writel(regs->emif_ddr_phy_ctlr_1,
&emif_reg[nr]->emif_ddr_phy_ctrl_1_shdw);
+
+ if (get_emif_rev((u32)emif_reg[nr]) == EMIF_4D5)
+ ext_phy_settings(regs, nr);
}
/**
*/
void config_cmd_ctrl(const struct cmd_control *cmd, int nr)
{
+ if (!cmd)
+ return;
+
writel(cmd->cmd0csratio, &ddr_cmd_reg[nr]->cm0csratio);
- writel(cmd->cmd0dldiff, &ddr_cmd_reg[nr]->cm0dldiff);
writel(cmd->cmd0iclkout, &ddr_cmd_reg[nr]->cm0iclkout);
writel(cmd->cmd1csratio, &ddr_cmd_reg[nr]->cm1csratio);
- writel(cmd->cmd1dldiff, &ddr_cmd_reg[nr]->cm1dldiff);
writel(cmd->cmd1iclkout, &ddr_cmd_reg[nr]->cm1iclkout);
writel(cmd->cmd2csratio, &ddr_cmd_reg[nr]->cm2csratio);
- writel(cmd->cmd2dldiff, &ddr_cmd_reg[nr]->cm2dldiff);
writel(cmd->cmd2iclkout, &ddr_cmd_reg[nr]->cm2iclkout);
}
{
int i;
+ if (!data)
+ return;
+
for (i = 0; i < DDR_DATA_REGS_NR; i++) {
writel(data->datardsratio0,
&(ddr_data_reg[nr]+i)->dt0rdsratio0);
&(ddr_data_reg[nr]+i)->dt0fwsratio0);
writel(data->datawrsratio0,
&(ddr_data_reg[nr]+i)->dt0wrsratio0);
- writel(data->datauserank0delay,
- &(ddr_data_reg[nr]+i)->dt0rdelays0);
- writel(data->datadldiff0,
- &(ddr_data_reg[nr]+i)->dt0dldiff0);
}
}
-void config_io_ctrl(unsigned long val)
+void config_io_ctrl(const struct ctrl_ioregs *ioregs)
{
- writel(val, &ioctrl_reg->cm0ioctl);
- writel(val, &ioctrl_reg->cm1ioctl);
- writel(val, &ioctrl_reg->cm2ioctl);
- writel(val, &ioctrl_reg->dt0ioctl);
- writel(val, &ioctrl_reg->dt1ioctl);
+ if (!ioregs)
+ return;
+
+ writel(ioregs->cm0ioctl, &ioctrl_reg->cm0ioctl);
+ writel(ioregs->cm1ioctl, &ioctrl_reg->cm1ioctl);
+ writel(ioregs->cm2ioctl, &ioctrl_reg->cm2ioctl);
+ writel(ioregs->dt0ioctl, &ioctrl_reg->dt0ioctl);
+ writel(ioregs->dt1ioctl, &ioctrl_reg->dt1ioctl);
+#ifdef CONFIG_AM43XX
+ writel(ioregs->dt2ioctrl, &ioctrl_reg->dt2ioctrl);
+ writel(ioregs->dt3ioctrl, &ioctrl_reg->dt3ioctrl);
+ writel(ioregs->emif_sdram_config_ext,
+ &ioctrl_reg->emif_sdram_config_ext);
+#endif
}
projects / karo-tx-uboot.git / blobdiff