am33xx: Clean up unused DDR defines, prefix more with 'DDR2'

- Remove a handful of unused defines.
- Prefix more values with 'DDR2' as DDR3 will require different values.

Signed-off-by: Tom Rini <trini@ti.com>

arch/arm/cpu/armv7/am33xx/emif4.c

@@ -112,22 +112,22 @@ static void config_emif_ddr2(void)
 	struct sdram_timing tmg;
 	struct ddr_phy_control phyc;
 
-	/*Program EMIF0 CFG Registers*/
-	phyc.reg = EMIF_READ_LATENCY;
-	phyc.reg_sh = EMIF_READ_LATENCY;
-	phyc.reg2 = EMIF_READ_LATENCY;
-
-	tmg.time1 = EMIF_TIM1;
-	tmg.time1_sh = EMIF_TIM1;
-	tmg.time2 = EMIF_TIM2;
-	tmg.time2_sh = EMIF_TIM2;
-	tmg.time3 = EMIF_TIM3;
-	tmg.time3_sh = EMIF_TIM3;
-
-	cfg.sdrcr = EMIF_SDCFG;
-	cfg.sdrcr2 = EMIF_SDCFG;
-	cfg.refresh = EMIF_SDREF;
-	cfg.refresh_sh = EMIF_SDREF;
+	/* Program EMIF0 CFG Registers */
+	phyc.reg = DDR2_EMIF_READ_LATENCY;
+	phyc.reg_sh = DDR2_EMIF_READ_LATENCY;
+	phyc.reg2 = DDR2_EMIF_READ_LATENCY;
+
+	tmg.time1 = DDR2_EMIF_TIM1;
+	tmg.time1_sh = DDR2_EMIF_TIM1;
+	tmg.time2 = DDR2_EMIF_TIM2;
+	tmg.time2_sh = DDR2_EMIF_TIM2;
+	tmg.time3 = DDR2_EMIF_TIM3;
+	tmg.time3_sh = DDR2_EMIF_TIM3;
+
+	cfg.sdrcr = DDR2_EMIF_SDCFG;
+	cfg.sdrcr2 = DDR2_EMIF_SDCFG;
+	cfg.refresh = DDR2_EMIF_SDREF;
+	cfg.refresh_sh = DDR2_EMIF_SDREF;
 
 	/* Program EMIF instance */
 	ret = config_ddr_phy(&phyc);
@@ -159,14 +159,14 @@ void config_ddr(short ddr_type)
 		config_ddr_data(0, &ddr2_data);
 		config_ddr_data(1, &ddr2_data);
 
-		writel(PHY_RANK0_DELAY, &ddrregs->dt0rdelays0);
-		writel(PHY_RANK0_DELAY, &ddrregs->dt1rdelays0);
+		writel(DDR2_PHY_RANK0_DELAY, &ddrregs->dt0rdelays0);
+		writel(DDR2_PHY_RANK0_DELAY, &ddrregs->dt1rdelays0);
 
-		ioctrl.cmd1ctl = DDR_IOCTRL_VALUE;
-		ioctrl.cmd2ctl = DDR_IOCTRL_VALUE;
-		ioctrl.cmd3ctl = DDR_IOCTRL_VALUE;
-		ioctrl.data1ctl = DDR_IOCTRL_VALUE;
-		ioctrl.data2ctl = DDR_IOCTRL_VALUE;
+		ioctrl.cmd1ctl = DDR2_IOCTRL_VALUE;
+		ioctrl.cmd2ctl = DDR2_IOCTRL_VALUE;
+		ioctrl.cmd3ctl = DDR2_IOCTRL_VALUE;
+		ioctrl.data1ctl = DDR2_IOCTRL_VALUE;
+		ioctrl.data2ctl = DDR2_IOCTRL_VALUE;
 
 		config_io_ctrl(&ioctrl);
 

arch/arm/include/asm/arch-am33xx/ddr_defs.h

@@ -22,38 +22,30 @@
 #include <asm/arch/hardware.h>
 
 /* AM335X EMIF Register values */
-#define EMIF_SDMGT		0x80000000
-#define EMIF_SDRAM		0x00004650
-#define EMIF_PHYCFG		0x2
-#define DDR_PHY_RESET		(0x1 << 10)
-#define DDR_FUNCTIONAL_MODE_EN	0x1
-#define DDR_PHY_READY		(0x1 << 2)
 #define VTP_CTRL_READY		(0x1 << 5)
 #define VTP_CTRL_ENABLE		(0x1 << 6)
-#define VTP_CTRL_LOCK_EN	(0x1 << 4)
 #define VTP_CTRL_START_EN	(0x1)
-#define DDR2_RATIO		0x80
 #define CMD_FORCE		0x00
 #define CMD_DELAY		0x00
+#define PHY_DLL_LOCK_DIFF	0x0
 
-#define EMIF_READ_LATENCY	0x05
-#define EMIF_TIM1		0x0666B3D6
-#define EMIF_TIM2		0x143731DA
-#define EMIF_TIM3		0x00000347
-#define EMIF_SDCFG		0x43805332
-#define EMIF_SDREF		0x0000081a
+#define DDR2_EMIF_READ_LATENCY	0x05
+#define DDR2_EMIF_TIM1		0x0666B3D6
+#define DDR2_EMIF_TIM2		0x143731DA
+#define DDR2_EMIF_TIM3		0x00000347
+#define DDR2_EMIF_SDCFG		0x43805332
+#define DDR2_EMIF_SDREF		0x0000081a
 #define DDR2_DLL_LOCK_DIFF	0x0
-#define DDR2_RD_DQS		0x12
-#define DDR2_PHY_FIFO_WE	0x80
-
+#define DDR2_RATIO		0x80
 #define DDR2_INVERT_CLKOUT	0x00
+#define DDR2_RD_DQS		0x12
 #define DDR2_WR_DQS		0x00
 #define DDR2_PHY_WRLVL		0x00
 #define DDR2_PHY_GATELVL	0x00
 #define DDR2_PHY_WR_DATA	0x40
-#define PHY_RANK0_DELAY		0x01
-#define PHY_DLL_LOCK_DIFF	0x0
-#define DDR_IOCTRL_VALUE	0x18B
+#define DDR2_PHY_FIFO_WE	0x80
+#define DDR2_PHY_RANK0_DELAY	0x1
+#define DDR2_IOCTRL_VALUE	0x18B
 
 /**
  * Encapsulates DDR PHY control and corresponding shadow registers.