[U-Boot] [PATCH v3 05/22] rockchip: sdram: update the sys_reg to sys_reg2

[Kever Yang]

We are using sys_reg2 and sys_reg3 as ddr cap info, sync the variable
name to what we real use to avoid confuse people.

Signed-off-by: YouMin Chen <cym at rock-chips.com>
Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

Changes in v3: None
Changes in v2: None

 arch/arm/mach-rockchip/sdram.c | 32 ++++++++++++++++----------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/arch/arm/mach-rockchip/sdram.c b/arch/arm/mach-rockchip/sdram.c
index 8e5a572dba..af00a6b637 100644
--- a/arch/arm/mach-rockchip/sdram.c
+++ b/arch/arm/mach-rockchip/sdram.c
@@ -83,60 +83,60 @@ size_t rockchip_sdram_size(phys_addr_t reg)
 	u32 cs1_col = 0;
 	u32 bg = 0;
 	u32 dbw, dram_type;
-	u32 sys_reg = readl(reg);
+	u32 sys_reg2 = readl(reg);
 	u32 sys_reg3 = readl(reg + 4);
-	u32 ch_num = 1 + ((sys_reg >> SYS_REG_NUM_CH_SHIFT)
+	u32 ch_num = 1 + ((sys_reg2 >> SYS_REG_NUM_CH_SHIFT)
 		       & SYS_REG_NUM_CH_MASK);
 
-	dram_type = (sys_reg >> SYS_REG_DDRTYPE_SHIFT) & SYS_REG_DDRTYPE_MASK;
-	debug("%s %x %x\n", __func__, (u32)reg, sys_reg);
+	dram_type = (sys_reg2 >> SYS_REG_DDRTYPE_SHIFT) & SYS_REG_DDRTYPE_MASK;
+	debug("%s %x %x\n", __func__, (u32)reg, sys_reg2);
 	for (ch = 0; ch < ch_num; ch++) {
-		rank = 1 + (sys_reg >> SYS_REG_RANK_SHIFT(ch) &
+		rank = 1 + (sys_reg2 >> SYS_REG_RANK_SHIFT(ch) &
 			SYS_REG_RANK_MASK);
-		cs0_col = 9 + (sys_reg >> SYS_REG_COL_SHIFT(ch) &
+		cs0_col = 9 + (sys_reg2 >> SYS_REG_COL_SHIFT(ch) &
 			  SYS_REG_COL_MASK);
 		cs1_col = cs0_col;
-		bk = 3 - ((sys_reg >> SYS_REG_BK_SHIFT(ch)) & SYS_REG_BK_MASK);
+		bk = 3 - ((sys_reg2 >> SYS_REG_BK_SHIFT(ch)) & SYS_REG_BK_MASK);
 		if ((sys_reg3 >> SYS_REG_VERSION_SHIFT &
 		     SYS_REG_VERSION_MASK) == 0x2) {
 			cs1_col = 9 + (sys_reg3 >> SYS_REG_CS1_COL_SHIFT(ch) &
 				  SYS_REG_CS1_COL_MASK);
 			if (((sys_reg3 >> SYS_REG_EXTEND_CS0_ROW_SHIFT(ch) &
-			    SYS_REG_EXTEND_CS0_ROW_MASK) << 2) + (sys_reg >>
+			    SYS_REG_EXTEND_CS0_ROW_MASK) << 2) + (sys_reg2 >>
 			    SYS_REG_CS0_ROW_SHIFT(ch) &
 			    SYS_REG_CS0_ROW_MASK) == 7)
 				cs0_row = 12;
 			else
-				cs0_row = 13 + (sys_reg >>
+				cs0_row = 13 + (sys_reg2 >>
 					  SYS_REG_CS0_ROW_SHIFT(ch) &
 					  SYS_REG_CS0_ROW_MASK) +
 					  ((sys_reg3 >>
 					  SYS_REG_EXTEND_CS0_ROW_SHIFT(ch) &
 					  SYS_REG_EXTEND_CS0_ROW_MASK) << 2);
 			if (((sys_reg3 >> SYS_REG_EXTEND_CS1_ROW_SHIFT(ch) &
-			    SYS_REG_EXTEND_CS1_ROW_MASK) << 2) + (sys_reg >>
+			    SYS_REG_EXTEND_CS1_ROW_MASK) << 2) + (sys_reg2 >>
 			    SYS_REG_CS1_ROW_SHIFT(ch) &
 			    SYS_REG_CS1_ROW_MASK) == 7)
 				cs1_row = 12;
 			else
-				cs1_row = 13 + (sys_reg >>
+				cs1_row = 13 + (sys_reg2 >>
 					  SYS_REG_CS1_ROW_SHIFT(ch) &
 					  SYS_REG_CS1_ROW_MASK) +
 					  ((sys_reg3 >>
 					  SYS_REG_EXTEND_CS1_ROW_SHIFT(ch) &
 					  SYS_REG_EXTEND_CS1_ROW_MASK) << 2);
 		} else {
-			cs0_row = 13 + (sys_reg >> SYS_REG_CS0_ROW_SHIFT(ch) &
+			cs0_row = 13 + (sys_reg2 >> SYS_REG_CS0_ROW_SHIFT(ch) &
 				SYS_REG_CS0_ROW_MASK);
-			cs1_row = 13 + (sys_reg >> SYS_REG_CS1_ROW_SHIFT(ch) &
+			cs1_row = 13 + (sys_reg2 >> SYS_REG_CS1_ROW_SHIFT(ch) &
 				SYS_REG_CS1_ROW_MASK);
 		}
-		bw = (2 >> ((sys_reg >> SYS_REG_BW_SHIFT(ch)) &
+		bw = (2 >> ((sys_reg2 >> SYS_REG_BW_SHIFT(ch)) &
 			SYS_REG_BW_MASK));
-		row_3_4 = sys_reg >> SYS_REG_ROW_3_4_SHIFT(ch) &
+		row_3_4 = sys_reg2 >> SYS_REG_ROW_3_4_SHIFT(ch) &
 			SYS_REG_ROW_3_4_MASK;
 		if (dram_type == DDR4) {
-			dbw = (sys_reg >> SYS_REG_DBW_SHIFT(ch)) &
+			dbw = (sys_reg2 >> SYS_REG_DBW_SHIFT(ch)) &
 				SYS_REG_DBW_MASK;
 			bg = (dbw == 2) ? 2 : 1;
 		}
-- 
2.17.1