From b713e0291ba90847058678ae2752f08f238c8fe3 Mon Sep 17 00:00:00 2001 From: Jagan Teki Date: Tue, 16 Jul 2019 17:27:04 +0530 Subject: [PATCH] ram: rk3399: Add ddr version enc macro Add dram config macro for handling ddr version number. Signed-off-by: Jagan Teki Signed-off-by: YouMin Chen Reviewed-by: Kever Yang --- arch/arm/include/asm/arch-rockchip/sdram_common.h | 2 ++ drivers/ram/rockchip/sdram_rk3399.c | 1 + 2 files changed, 3 insertions(+) diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h index f5c99fea8b..8027b53636 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -66,6 +66,7 @@ struct sdram_base_params { * [1:0] dbw_ch0 */ #define SYS_REG_DDRTYPE_SHIFT 13 +#define DDR_SYS_REG_VERSION 2 #define SYS_REG_DDRTYPE_MASK 7 #define SYS_REG_NUM_CH_SHIFT 12 #define SYS_REG_NUM_CH_MASK 1 @@ -99,6 +100,7 @@ struct sdram_base_params { #define SYS_REG_DBW_MASK 3 #define SYS_REG_ENC_DBW(n, ch) ((2 >> (n)) << SYS_REG_DBW_SHIFT(ch)) +#define SYS_REG_ENC_VERSION(n) ((n) << 28) #define SYS_REG_ENC_CS0_ROW(n, os_reg2, os_reg3, ch) do { \ (os_reg2) |= (((n) - 13) & 0x3) << (6 + 16 * (ch)); \ (os_reg3) |= ((((n) - 13) & 0x4) >> 2) << \ diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index fed9f94840..750219921b 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -1102,6 +1102,7 @@ static void dram_all_config(struct dram_info *dram, SYS_REG_ENC_CS1_ROW(info->cap_info.cs1_row, sys_reg2, sys_reg3, channel); sys_reg3 |= SYS_REG_ENC_CS1_COL(info->cap_info.col, channel); + sys_reg3 |= SYS_REG_ENC_VERSION(DDR_SYS_REG_VERSION); ddr_msch_regs = dram->chan[channel].msch; noc_timing = ¶ms->ch[channel].noc_timings; -- 2.39.5