projects / thirdparty / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d467752 JC |
1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* | |
| 3 | * (C) Copyright 2021 Rockchip Electronics Co., Ltd. | |
| 4 | */ | |
| 5 | ||
| d678a59d | 6 | #include <common.h> |
| 2d467752 JC |
7 | #include <dm.h> |
| 8 | #include <ram.h> | |
| 9 | #include <syscon.h> | |
| 10 | #include <asm/arch-rockchip/clock.h> | |
| 11 | #include <asm/arch-rockchip/grf_rk3568.h> | |
| 12 | #include <asm/arch-rockchip/sdram.h> | |
| 13 | ||
| 14 | struct dram_info { | |
| 15 | struct ram_info info; | |
| 16 | struct rk3568_pmugrf *pmugrf; | |
| 17 | }; | |
| 18 | ||
| 19 | static int rk3568_dmc_probe(struct udevice *dev) | |
| 20 | { | |
| 21 | struct dram_info *priv = dev_get_priv(dev); | |
| 22 | ||
| 23 | priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF); | |
| aa6e94de | 24 | priv->info.base = CFG_SYS_SDRAM_BASE; |
| 2d467752 JC |
25 | priv->info.size = |
| 26 | rockchip_sdram_size((phys_addr_t)&priv->pmugrf->pmu_os_reg2); | |
| 27 | ||
| 28 | return 0; | |
| 29 | } | |
| 30 | ||
| 31 | static int rk3568_dmc_get_info(struct udevice *dev, struct ram_info *info) | |
| 32 | { | |
| 33 | struct dram_info *priv = dev_get_priv(dev); | |
| 34 | ||
| 35 | *info = priv->info; | |
| 36 | ||
| 37 | return 0; | |
| 38 | } | |
| 39 | ||
| 40 | static struct ram_ops rk3568_dmc_ops = { | |
| 41 | .get_info = rk3568_dmc_get_info, | |
| 42 | }; | |
| 43 | ||
| 44 | static const struct udevice_id rk3568_dmc_ids[] = { | |
| 45 | { .compatible = "rockchip,rk3568-dmc" }, | |
| 46 | { } | |
| 47 | }; | |
| 48 | ||
| 49 | U_BOOT_DRIVER(dmc_rk3568) = { | |
| 50 | .name = "rockchip_rk3568_dmc", | |
| 51 | .id = UCLASS_RAM, | |
| 52 | .of_match = rk3568_dmc_ids, | |
| 53 | .ops = &rk3568_dmc_ops, | |
| 54 | .probe = rk3568_dmc_probe, | |
| 55 | .priv_auto = sizeof(struct dram_info), | |
| 56 | }; |