// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /* * (C) Copyright 2019 Rockchip Electronics Co., Ltd. */ #include #include #include #include #include #include #include struct dram_info { struct ram_info info; struct rk3308_grf *grf; }; static int rk3308_dmc_probe(struct udevice *dev) { struct dram_info *priv = dev_get_priv(dev); priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); priv->info.base = CFG_SYS_SDRAM_BASE; priv->info.size = rockchip_sdram_size((phys_addr_t)&priv->grf->os_reg2); return 0; } static int rk3308_dmc_get_info(struct udevice *dev, struct ram_info *info) { struct dram_info *priv = dev_get_priv(dev); *info = priv->info; return 0; } static struct ram_ops rk3308_dmc_ops = { .get_info = rk3308_dmc_get_info, }; static const struct udevice_id rk3308_dmc_ids[] = { { .compatible = "rockchip,rk3308-dmc" }, { } }; U_BOOT_DRIVER(dmc_rk3308) = { .name = "rockchip_rk3308_dmc", .id = UCLASS_RAM, .of_match = rk3308_dmc_ids, .ops = &rk3308_dmc_ops, .probe = rk3308_dmc_probe, .priv_auto = sizeof(struct dram_info), };