[U-Boot] [PATCH v3 06/57] ram: rk3399: Add column enc macro
Kever Yang
kever.yang at rock-chips.com
Tue Jul 16 12:59:13 UTC 2019
On 2019/7/16 下午7:56, Jagan Teki wrote:
> Add simplified and meaningful macro for column.
>
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> Signed-off-by: YouMin Chen <cym at rock-chips.com>
Reviewed-by: Kever Yang <Kever.yang at rock-chips.com>
Thanks,
- Kever
> ---
> arch/arm/include/asm/arch-rockchip/sdram_common.h | 1 +
> drivers/ram/rockchip/sdram_rk3399.c | 3 +--
> 2 files changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
> index db9e30126f..e7f15a7cf9 100644
> --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
> +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
> @@ -83,6 +83,7 @@ struct sdram_base_params {
> SYS_REG_RANK_SHIFT(ch))
> #define SYS_REG_COL_SHIFT(ch) (9 + (ch) * 16)
> #define SYS_REG_COL_MASK 3
> +#define SYS_REG_ENC_COL(n, ch) (((n) - 9) << SYS_REG_COL_SHIFT(ch))
> #define SYS_REG_BK_SHIFT(ch) (8 + (ch) * 16)
> #define SYS_REG_BK_MASK 1
> #define SYS_REG_CS0_ROW_SHIFT(ch) (6 + (ch) * 16)
> diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
> index c2390a771c..f6a83f2acf 100644
> --- a/drivers/ram/rockchip/sdram_rk3399.c
> +++ b/drivers/ram/rockchip/sdram_rk3399.c
> @@ -1092,8 +1092,7 @@ static void dram_all_config(struct dram_info *dram,
> sys_reg |= SYS_REG_ENC_ROW_3_4(info->cap_info.row_3_4, channel);
> sys_reg |= SYS_REG_ENC_CHINFO(channel);
> sys_reg |= SYS_REG_ENC_RANK(info->cap_info.rank, channel);
> - sys_reg |= (info->cap_info.col - 9) <<
> - SYS_REG_COL_SHIFT(channel);
> + sys_reg |= SYS_REG_ENC_COL(info->cap_info.col, channel);
> sys_reg |= info->cap_info.bk == 3 ? 0 : 1 <<
> SYS_REG_BK_SHIFT(channel);
> sys_reg |= (info->cap_info.cs0_row - 13) <<
More information about the U-Boot
mailing list