diff options
| author | Kever Yang <kever.yang@rock-chips.com> | 2017-09-27 16:11:33 +0800 |
|---|---|---|
| committer | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-10-01 00:33:31 +0200 |
| commit | f0768491db98249b3f54f16dd99a1d8dcdea9f2a (patch) | |
| tree | 2e65f62498804ab36211b599c92b101fffd24057 /drivers | |
| parent | c9eb7bca4b77523fb4a870208351af81a7f0ee67 (diff) | |
rockchip: rk3328: move sdram driver to driver/ram
Since we have CONFIG_RAM framwork and its driver folder, move the driver
into it.
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ram/rockchip/Makefile | 1 | ||||
| -rw-r--r-- | drivers/ram/rockchip/sdram_rk3328.c | 60 |
2 files changed, 61 insertions, 0 deletions
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile index 95aae4846b..6c78eff7fa 100644 --- a/drivers/ram/rockchip/Makefile +++ b/drivers/ram/rockchip/Makefile @@ -7,4 +7,5 @@ obj-$(CONFIG_ROCKCHIP_RK3368) = dmc-rk3368.o obj-$(CONFIG_ROCKCHIP_RK3188) = sdram_rk3188.o obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o +obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o obj-$(CONFIG_ROCKCHIP_RK3399) = sdram_rk3399.o diff --git a/drivers/ram/rockchip/sdram_rk3328.c b/drivers/ram/rockchip/sdram_rk3328.c new file mode 100644 index 0000000000..9637a35e23 --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3328.c @@ -0,0 +1,60 @@ +/* + * (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_rk3328.h> +#include <asm/arch/sdram_common.h> + +DECLARE_GLOBAL_DATA_PTR; +struct dram_info { + struct ram_info info; + struct rk3328_grf_regs *grf; +}; + +static int rk3328_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[2]); + + return 0; +} + +static int rk3328_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 rk3328_dmc_ops = { + .get_info = rk3328_dmc_get_info, +}; + + +static const struct udevice_id rk3328_dmc_ids[] = { + { .compatible = "rockchip,rk3328-dmc" }, + { } +}; + +U_BOOT_DRIVER(dmc_rk3328) = { + .name = "rockchip_rk3328_dmc", + .id = UCLASS_RAM, + .of_match = rk3328_dmc_ids, + .ops = &rk3328_dmc_ops, + .probe = rk3328_dmc_probe, + .priv_auto_alloc_size = sizeof(struct dram_info), +}; |