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- // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
- /*
- * (C) Copyright 2017 Rockchip Electronics Co., Ltd.
- */
- #include <common.h>
- #include <dm.h>
- #include <ram.h>
- #include <syscon.h>
- #include <asm/arch-rockchip/clock.h>
- #include <asm/arch-rockchip/grf_rk3128.h>
- #include <asm/arch-rockchip/sdram_common.h>
- struct dram_info {
- struct ram_info info;
- struct rk3128_grf *grf;
- };
- static int rk3128_dmc_probe(struct udevice *dev)
- {
- struct dram_info *priv = dev_get_priv(dev);
- priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
- debug("%s: grf=%p\n", __func__, priv->grf);
- priv->info.base = CONFIG_SYS_SDRAM_BASE;
- priv->info.size = rockchip_sdram_size(
- (phys_addr_t)&priv->grf->os_reg[1]);
- return 0;
- }
- static int rk3128_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 rk3128_dmc_ops = {
- .get_info = rk3128_dmc_get_info,
- };
- static const struct udevice_id rk3128_dmc_ids[] = {
- { .compatible = "rockchip,rk3128-dmc" },
- { }
- };
- U_BOOT_DRIVER(dmc_rk3128) = {
- .name = "rockchip_rk3128_dmc",
- .id = UCLASS_RAM,
- .of_match = rk3128_dmc_ids,
- .ops = &rk3128_dmc_ops,
- .probe = rk3128_dmc_probe,
- .priv_auto_alloc_size = sizeof(struct dram_info),
- };
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