diff options
| author | Tom Rini <trini@konsulko.com> | 2017-12-01 19:08:30 -0500 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-12-01 19:08:30 -0500 |
| commit | 02907004294d981fff9a7305ad9c6d8a0138f205 (patch) | |
| tree | c093c150990b48a03d950bb533cf008f404be761 /drivers/ram | |
| parent | 9804d88630cdb22f5f0ace05ac05942928410fd9 (diff) | |
| parent | 4fc495e9e2e497afee383294a6ee9212e9a8bd73 (diff) | |
Merge git://git.denx.de/u-boot-rockchip
Diffstat (limited to 'drivers/ram')
| -rw-r--r-- | drivers/ram/rockchip/Makefile | 1 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3128.c | 59 |
2 files changed, 60 insertions, 0 deletions
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile index 45b5fe7247..1a1e5578ca 100644 --- a/drivers/ram/rockchip/Makefile +++ b/drivers/ram/rockchip/Makefile @@ -5,6 +5,7 @@ # obj-$(CONFIG_ROCKCHIP_RK3368) = dmc-rk3368.o +obj-$(CONFIG_ROCKCHIP_RK3128) = sdram_rk3128.o obj-$(CONFIG_ROCKCHIP_RK3188) = sdram_rk3188.o obj-$(CONFIG_ROCKCHIP_RK322X) = sdram_rk322x.o obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o diff --git a/drivers/ram/rockchip/sdram_rk3128.c b/drivers/ram/rockchip/sdram_rk3128.c new file mode 100644 index 0000000000..a33127f4b0 --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3128.c @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2017 Rockchip Electronics Co., Ltd. + * + * SPDX-License-Identifier: GPL-2.0 + */ + +#include <common.h> +#include <dm.h> +#include <ram.h> +#include <syscon.h> +#include <asm/arch/clock.h> +#include <asm/arch/grf_rk3128.h> +#include <asm/arch/sdram_common.h> + +DECLARE_GLOBAL_DATA_PTR; +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), +}; |