DDR chip capacity is computed based on GRF split in some Rockchip SoC's like PX30 and RV1126.
Add split argument in ddr print info so-that the respective ddr driver will pass the grf split.
Signed-off-by: YouMin Chen cym@rock-chips.com Signed-off-by: Jagan Teki jagan@edgeble.ai Reviewed-by: Kever Yang kever.yang@rock-chips.com --- Changes for v3: - collect Kever r-b Changes for v2: - none
arch/arm/include/asm/arch-rockchip/sdram_common.h | 2 +- drivers/ram/rockchip/sdram_common.c | 6 ++++-- drivers/ram/rockchip/sdram_px30.c | 2 +- drivers/ram/rockchip/sdram_rk3328.c | 2 +- drivers/ram/rockchip/sdram_rk3399.c | 2 +- 5 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h index 5efa6e9445..a14b37cbc5 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram_common.h +++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h @@ -116,7 +116,7 @@ struct sdram_base_params {
void sdram_print_dram_type(unsigned char dramtype); void sdram_print_ddr_info(struct sdram_cap_info *cap_info, - struct sdram_base_params *base); + struct sdram_base_params *base, u32 split); void sdram_print_stride(unsigned int stride);
void sdram_org_config(struct sdram_cap_info *cap_info, diff --git a/drivers/ram/rockchip/sdram_common.c b/drivers/ram/rockchip/sdram_common.c index b3e7421d08..1c3236746a 100644 --- a/drivers/ram/rockchip/sdram_common.c +++ b/drivers/ram/rockchip/sdram_common.c @@ -36,7 +36,7 @@ void sdram_print_dram_type(unsigned char dramtype) }
void sdram_print_ddr_info(struct sdram_cap_info *cap_info, - struct sdram_base_params *base) + struct sdram_base_params *base, u32 split) { u64 cap; u32 bg; @@ -83,6 +83,8 @@ void sdram_print_ddr_info(struct sdram_cap_info *cap_info, cap = sdram_get_cs_cap(cap_info, 3, base->dramtype); if (cap_info->row_3_4) cap = cap * 3 / 4; + else if (split) + cap = cap / 2 + (split << 24) / 2;
printascii(" Size="); printdec(cap >> 20); @@ -123,7 +125,7 @@ inline void sdram_print_dram_type(unsigned char dramtype) }
inline void sdram_print_ddr_info(struct sdram_cap_info *cap_info, - struct sdram_base_params *base) + struct sdram_base_params *base, u32 split) { }
diff --git a/drivers/ram/rockchip/sdram_px30.c b/drivers/ram/rockchip/sdram_px30.c index 357fe2432a..a003893538 100644 --- a/drivers/ram/rockchip/sdram_px30.c +++ b/drivers/ram/rockchip/sdram_px30.c @@ -711,7 +711,7 @@ int sdram_init(void) if (ret) goto error;
- sdram_print_ddr_info(&sdram_params->ch.cap_info, &sdram_params->base); + sdram_print_ddr_info(&sdram_params->ch.cap_info, &sdram_params->base, 0);
printascii("out\n"); return ret; diff --git a/drivers/ram/rockchip/sdram_rk3328.c b/drivers/ram/rockchip/sdram_rk3328.c index 9c6798f816..efe0049ead 100644 --- a/drivers/ram/rockchip/sdram_rk3328.c +++ b/drivers/ram/rockchip/sdram_rk3328.c @@ -506,7 +506,7 @@ static int sdram_init_detect(struct dram_info *dram, writel(sys_reg3, &dram->grf->os_reg[3]); }
- sdram_print_ddr_info(&sdram_params->ch.cap_info, &sdram_params->base); + sdram_print_ddr_info(&sdram_params->ch.cap_info, &sdram_params->base, 0);
return 0; } diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c index ce49a91393..1cb67cf14a 100644 --- a/drivers/ram/rockchip/sdram_rk3399.c +++ b/drivers/ram/rockchip/sdram_rk3399.c @@ -2986,7 +2986,7 @@ static int sdram_init(struct dram_info *dram, continue; }
- sdram_print_ddr_info(cap_info, ¶ms->base); + sdram_print_ddr_info(cap_info, ¶ms->base, 0); set_memory_map(chan, channel, params); cap_info->ddrconfig = calculate_ddrconfig(params, channel);