68 	struct ram_info info;  member
94 static void ast2500_ddr_phy_init_process(struct dram_info *info)  in ast2500_ddr_phy_init_process()  argument
96 	struct ast2500_sdrammc_regs *regs = info->regs;  in ast2500_ddr_phy_init_process()
99 	writel(0x4040, &info->phy->phy[51]);  in ast2500_ddr_phy_init_process()
108 static void ast2500_sdrammc_set_vref(struct dram_info *info, u32 vref)  in ast2500_sdrammc_set_vref()  argument
110 	writel(0, &info->regs->phy_ctrl[0]);  in ast2500_sdrammc_set_vref()
111 	writel((vref << 8) | 0x6, &info->phy->phy[48]);  in ast2500_sdrammc_set_vref()
112 	ast2500_ddr_phy_init_process(info);  in ast2500_sdrammc_set_vref()
115 static int ast2500_ddr_cbr_test(struct dram_info *info)  in ast2500_ddr_cbr_test()  argument
117 	struct ast2500_sdrammc_regs *regs = info->regs;  in ast2500_ddr_cbr_test()
155 static int ast2500_sdrammc_ddr4_calibrate_vref(struct dram_info *info)  in ast2500_sdrammc_ddr4_calibrate_vref()  argument
165 		ast2500_sdrammc_set_vref(info, i);  in ast2500_sdrammc_ddr4_calibrate_vref()
166 		res = ast2500_ddr_cbr_test(info);  in ast2500_sdrammc_ddr4_calibrate_vref()
178 	ast2500_sdrammc_set_vref(info, (vref_min + vref_max + 1) / 2);  in ast2500_sdrammc_ddr4_calibrate_vref()
183 static size_t ast2500_sdrammc_get_vga_mem_size(struct dram_info *info)  in ast2500_sdrammc_get_vga_mem_size()  argument
186 	u32 vga_hwconf = (readl(&info->scu->hwstrap) & SCU_HWSTRAP_VGAMEM_MASK)  in ast2500_sdrammc_get_vga_mem_size()
197 static void ast2500_sdrammc_calc_size(struct dram_info *info)  in ast2500_sdrammc_calc_size()  argument
228 	clrsetbits_le32(&info->regs->ac_timing[1],  in ast2500_sdrammc_calc_size()
233 	info->info.base = CONFIG_SYS_SDRAM_BASE;  in ast2500_sdrammc_calc_size()
234 	info->info.size = ram_size - ast2500_sdrammc_get_vga_mem_size(info);  in ast2500_sdrammc_calc_size()
235 	clrsetbits_le32(&info->regs->config,  in ast2500_sdrammc_calc_size()
241 static int ast2500_sdrammc_init_ddr4(struct dram_info *info)  in ast2500_sdrammc_init_ddr4()  argument
256 	writel(conf, &info->regs->config);  in ast2500_sdrammc_init_ddr4()
258 		writel(ddr4_ac_timing[i], &info->regs->ac_timing[i]);  in ast2500_sdrammc_init_ddr4()
260 	writel(DDR4_MR46_MODE, &info->regs->mr46_mode_setting);  in ast2500_sdrammc_init_ddr4()
261 	writel(DDR4_MR5_MODE, &info->regs->mr5_mode_setting);  in ast2500_sdrammc_init_ddr4()
262 	writel(DDR4_MR02_MODE, &info->regs->mr02_mode_setting);  in ast2500_sdrammc_init_ddr4()
263 	writel(DDR4_MR13_MODE, &info->regs->mr13_mode_setting);  in ast2500_sdrammc_init_ddr4()
267 		       &info->phy->phy[ddr4_phy_config.index[i]]);  in ast2500_sdrammc_init_ddr4()
270 	writel(power_control, &info->regs->power_control);  in ast2500_sdrammc_init_ddr4()
272 	ast2500_ddr_phy_init_process(info);  in ast2500_sdrammc_init_ddr4()
274 	ret = ast2500_sdrammc_ddr4_calibrate_vref(info);  in ast2500_sdrammc_init_ddr4()
282 	       &info->regs->refresh_timing);  in ast2500_sdrammc_init_ddr4()
284 	setbits_le32(&info->regs->power_control,  in ast2500_sdrammc_init_ddr4()
287 	ast2500_sdrammc_calc_size(info);  in ast2500_sdrammc_init_ddr4()
289 	setbits_le32(&info->regs->config, SDRAM_CONF_CACHE_INIT_EN);  in ast2500_sdrammc_init_ddr4()
290 	while (!(readl(&info->regs->config) & SDRAM_CONF_CACHE_INIT_DONE))  in ast2500_sdrammc_init_ddr4()
292 	setbits_le32(&info->regs->config, SDRAM_CONF_CACHE_EN);  in ast2500_sdrammc_init_ddr4()
294 	writel(SDRAM_MISC_DDR4_TREFRESH, &info->regs->misc_control);  in ast2500_sdrammc_init_ddr4()
310 	       | SDRAM_REQ_MEMCHECK, &info->regs->req_limit_mask);  in ast2500_sdrammc_init_ddr4()
315 static void ast2500_sdrammc_unlock(struct dram_info *info)  in ast2500_sdrammc_unlock()  argument
317 	writel(SDRAM_UNLOCK_KEY, &info->regs->protection_key);  in ast2500_sdrammc_unlock()
318 	while (!readl(&info->regs->protection_key))  in ast2500_sdrammc_unlock()
322 static void ast2500_sdrammc_lock(struct dram_info *info)  in ast2500_sdrammc_lock()  argument
324 	writel(~SDRAM_UNLOCK_KEY, &info->regs->protection_key);  in ast2500_sdrammc_lock()
325 	while (readl(&info->regs->protection_key))  in ast2500_sdrammc_lock()
413 static int ast2500_sdrammc_get_info(struct udevice *dev, struct ram_info *info)  in ast2500_sdrammc_get_info()  argument
417 	*info = priv->info;  in ast2500_sdrammc_get_info()