[U-Boot] [PATCH v2 23/99] ram: rk3399: Update cs0_row to use sys_reg3
Jagan Teki
jagan at amarulasolutions.com
Mon Jun 17 07:31:36 UTC 2019
cs0_row can handle the pmu via sys_reg2 and sys_reg3 while
configuring the dram instead of just sys_reg2.
So, update cs0_row macro to make use of both sys_reg2,
sys_reg3.
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
Signed-off-by: YouMin Chen <cym at rock-chips.com>
---
arch/arm/include/asm/arch-rockchip/sdram_common.h | 8 ++++++--
drivers/ram/rockchip/sdram_rk3399.c | 4 +++-
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/arch/arm/include/asm/arch-rockchip/sdram_common.h b/arch/arm/include/asm/arch-rockchip/sdram_common.h
index c2374c0f83..4fe7d60daf 100644
--- a/arch/arm/include/asm/arch-rockchip/sdram_common.h
+++ b/arch/arm/include/asm/arch-rockchip/sdram_common.h
@@ -52,8 +52,6 @@
SYS_REG_BK_SHIFT(ch))
#define SYS_REG_CS0_ROW_SHIFT(ch) (6 + (ch) * 16)
#define SYS_REG_CS0_ROW_MASK 3
-#define SYS_REG_ENC_CS0_ROW(n, ch) (((n) - 13) << \
- SYS_REG_CS0_ROW_SHIFT(ch))
#define SYS_REG_CS1_ROW_SHIFT(ch) (4 + (ch) * 16)
#define SYS_REG_CS1_ROW_MASK 3
#define SYS_REG_ENC_CS1_ROW(n, ch) (((n) - 13) << \
@@ -65,6 +63,12 @@
#define SYS_REG_DBW_MASK 3
#define SYS_REG_ENC_DBW(n, ch) ((2 >> (n)) << SYS_REG_DBW_SHIFT(ch))
+#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) << \
+ (5 + 2 * (ch)); \
+ } while (0)
+
/* 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 bb673a862e..40cc31601c 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -1005,6 +1005,7 @@ static void dram_all_config(struct dram_info *dram,
const struct rk3399_sdram_params *params)
{
u32 sys_reg2 = 0;
+ u32 sys_reg3 = 0;
unsigned int channel, idx;
sys_reg2 |= SYS_REG_ENC_DDRTYPE(params->base.dramtype);
@@ -1025,10 +1026,10 @@ static void dram_all_config(struct dram_info *dram,
sys_reg2 |= SYS_REG_ENC_RANK(info->rank, channel);
sys_reg2 |= SYS_REG_ENC_COL(info->col, channel);
sys_reg2 |= SYS_REG_ENC_BK(info->bk, channel);
- sys_reg2 |= SYS_REG_ENC_CS0_ROW(info->cs0_row, channel);
sys_reg2 |= SYS_REG_ENC_CS1_ROW(info->cs1_row, channel);
sys_reg2 |= SYS_REG_ENC_BW(info->bw, channel);
sys_reg2 |= SYS_REG_ENC_DBW(info->dbw, channel);
+ SYS_REG_ENC_CS0_ROW(info->cs0_row, sys_reg2, sys_reg3, channel);
ddr_msch_regs = dram->chan[channel].msch;
noc_timing = ¶ms->ch[channel].noc_timings;
@@ -1050,6 +1051,7 @@ static void dram_all_config(struct dram_info *dram,
}
writel(sys_reg2, &dram->pmugrf->os_reg2);
+ writel(sys_reg3, &dram->pmugrf->os_reg3);
rk_clrsetreg(&dram->pmusgrf->soc_con4, 0x1f << 10,
params->base.stride << 10);
--
2.18.0.321.gffc6fa0e3
More information about the U-Boot
mailing list