| Message ID | 20191030081629.8812-1-andy.yan@rock-chips.com |
|---|---|
| State | Changes Requested |
| Delegated to: | Kever Yang |
| Headers | show |
| Series | Add support for RK3308 SOC | expand |
On 2019/10/30 下午4:16, Andy Yan wrote: > A dm based dram driver for rk3308 u-boot > to get capacity. > > Signed-off-by: Andy Yan <andy.yan@rock-chips.com> Reviewed-by: Kever Yang<kever.yang@rock-chips.com> Thanks, - Kever > --- > > Changes in v2: None > > drivers/ram/rockchip/Makefile | 1 + > drivers/ram/rockchip/sdram_rk3308.c | 55 +++++++++++++++++++++++++++++ > 2 files changed, 56 insertions(+) > create mode 100644 drivers/ram/rockchip/sdram_rk3308.c > > diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile > index feb1f82d00..1adca32dcb 100644 > --- a/drivers/ram/rockchip/Makefile > +++ b/drivers/ram/rockchip/Makefile > @@ -9,5 +9,6 @@ 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 > +obj-$(CONFIG_ROCKCHIP_RK3308) = sdram_rk3308.o > obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o > obj-$(CONFIG_RAM_RK3399) += sdram_rk3399.o > diff --git a/drivers/ram/rockchip/sdram_rk3308.c b/drivers/ram/rockchip/sdram_rk3308.c > new file mode 100644 > index 0000000000..43d44cce62 > --- /dev/null > +++ b/drivers/ram/rockchip/sdram_rk3308.c > @@ -0,0 +1,55 @@ > +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause > +/* > + * (C) Copyright 2019 Rockchip Electronics Co., Ltd. > + */ > + > +#include <common.h> > +#include <dm.h> > +#include <ram.h> > +#include <syscon.h> > +#include <asm/arch/grf_rk3308.h> > +#include <asm/arch-rockchip/clock.h> > +#include <asm/arch-rockchip/sdram_common.h> > + > +struct dram_info { > + struct ram_info info; > + struct rk3308_grf *grf; > +}; > + > +static int rk3308_dmc_probe(struct udevice *dev) > +{ > + struct dram_info *priv = dev_get_priv(dev); > + > + priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); > + priv->info.base = CONFIG_SYS_SDRAM_BASE; > + priv->info.size = rockchip_sdram_size((phys_addr_t)&priv->grf->os_reg2); > + > + return 0; > +} > + > +static int rk3308_dmc_get_info(struct udevice *dev, struct ram_info *info) > +{ > + struct dram_info *priv = dev_get_priv(dev); > + > + *info = priv->info; > + > + return 0; > +} > + > +static struct ram_ops rk3308_dmc_ops = { > + .get_info = rk3308_dmc_get_info, > +}; > + > +static const struct udevice_id rk3308_dmc_ids[] = { > + { .compatible = "rockchip,rk3308-dmc" }, > + { } > +}; > + > +U_BOOT_DRIVER(dmc_rk3308) = { > + .name = "rockchip_rk3308_dmc", > + .id = UCLASS_RAM, > + .of_match = rk3308_dmc_ids, > + .ops = &rk3308_dmc_ops, > + .probe = rk3308_dmc_probe, > + .priv_auto_alloc_size = sizeof(struct dram_info), > +};
diff --git a/drivers/ram/rockchip/Makefile b/drivers/ram/rockchip/Makefile index feb1f82d00..1adca32dcb 100644 --- a/drivers/ram/rockchip/Makefile +++ b/drivers/ram/rockchip/Makefile @@ -9,5 +9,6 @@ obj-$(CONFIG_ROCKCHIP_RK3128) = sdram_rk3128.o obj-$(CONFIG_ROCKCHIP_RK3188) = sdram_rk3188.o obj-$(CONFIG_ROCKCHIP_RK322X) = sdram_rk322x.o obj-$(CONFIG_ROCKCHIP_RK3288) = sdram_rk3288.o +obj-$(CONFIG_ROCKCHIP_RK3308) = sdram_rk3308.o obj-$(CONFIG_ROCKCHIP_RK3328) = sdram_rk3328.o obj-$(CONFIG_RAM_RK3399) += sdram_rk3399.o diff --git a/drivers/ram/rockchip/sdram_rk3308.c b/drivers/ram/rockchip/sdram_rk3308.c new file mode 100644 index 0000000000..43d44cce62 --- /dev/null +++ b/drivers/ram/rockchip/sdram_rk3308.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause +/* + * (C) Copyright 2019 Rockchip Electronics Co., Ltd. + */ + +#include <common.h> +#include <dm.h> +#include <ram.h> +#include <syscon.h> +#include <asm/arch/grf_rk3308.h> +#include <asm/arch-rockchip/clock.h> +#include <asm/arch-rockchip/sdram_common.h> + +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 = CONFIG_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_alloc_size = sizeof(struct dram_info), +};
A dm based dram driver for rk3308 u-boot to get capacity. Signed-off-by: Andy Yan <andy.yan@rock-chips.com> --- Changes in v2: None drivers/ram/rockchip/Makefile | 1 + drivers/ram/rockchip/sdram_rk3308.c | 55 +++++++++++++++++++++++++++++ 2 files changed, 56 insertions(+) create mode 100644 drivers/ram/rockchip/sdram_rk3308.c