Add simplified and meaningful macro for dbw.
Signed-off-by: Jagan Teki jagan@amarulasolutions.com Signed-off-by: YouMin Chen cym@rock-chips.com --- arch/arm/include/asm/arch-rockchip/sdram_common.h | 1 + drivers/ram/rockchip/sdram_rk3399.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h index 8a71e8ad87..3b0557cb6d 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -57,6 +57,7 @@ #define SYS_REG_BW_MASK 3 #define SYS_REG_DBW_SHIFT(ch) ((ch) * 16) #define SYS_REG_DBW_MASK 3 +#define SYS_REG_ENC_DBW(n, ch) ((2 >> (n)) << SYS_REG_DBW_SHIFT(ch))
/* Get sdram size decode from reg */ size_t rockchip_sdram_size(phys_addr_t reg); diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index 2614fef407..4047b4b7e3 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1031,7 +1031,7 @@ static void dram_all_config(struct dram_info *dram, sys_reg |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(channel); sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(channel); - sys_reg |= (2 >> info->dbw) << SYS_REG_DBW_SHIFT(channel); + sys_reg |= SYS_REG_ENC_DBW(info->dbw, channel);
ddr_msch_regs = dram->chan[channel].msch; noc_timing = &sdram_params->ch[channel].noc_timings;