[U-Boot] [PATCH v2 13/23] sunxi: H3: add and rename some DRAM contoller registers

[Andre Przywara <andre.przywara@arm.com>]

From: Jens Kuske <jenskuske@gmail.com>

The IOCR registers got renamed to BDLR to match the public
documentation of similar controllers.

Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
 arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h | 43 ++++++++++++++-----------
 arch/arm/mach-sunxi/dram_sun8i_h3.c             | 34 +++++++++----------
 2 files changed, 41 insertions(+), 36 deletions(-)

diff --git a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h b/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
index d0f2b8a..867fd12 100644
--- a/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
+++ b/arch/arm/include/asm/arch-sunxi/dram_sun8i_h3.h
@@ -81,7 +81,7 @@ struct sunxi_mctl_ctl_reg {
 	u32 rfshtmg;		/* 0x90 refresh timing */
 	u32 rfshctl1;		/* 0x94 */
 	u32 pwrtmg;		/* 0x98 */
-	u8  res3[0x20];		/* 0x9c */
+	u8 res3[0x20];		/* 0x9c */
 	u32 dqsgmr;		/* 0xbc */
 	u32 dtcr;		/* 0xc0 */
 	u32 dtar[4];		/* 0xc4 */
@@ -106,20 +106,23 @@ struct sunxi_mctl_ctl_reg {
 	u32 perfhpr[2];		/* 0x1c4 */
 	u32 perflpr[2];		/* 0x1cc */
 	u32 perfwr[2];		/* 0x1d4 */
-	u8 res8[0x2c];		/* 0x1dc */
-	u32 aciocr;		/* 0x208 */
-	u8 res9[0xf4];		/* 0x20c */
+	u8 res8[0x24];		/* 0x1dc */
+	u32 acmdlr;		/* 0x200 AC master delay line register */
+	u32 aclcdlr;		/* 0x204 AC local calibrated delay line register */
+	u32 aciocr;		/* 0x208 AC I/O configuration register */
+	u8 res9[0x4];		/* 0x20c */
+	u32 acbdlr[31];		/* 0x210 AC bit delay line registers */
+	u8 res10[0x74];		/* 0x28c */
 	struct {		/* 0x300 DATX8 modules*/
-		u32 mdlr;		/* 0x00 */
-		u32 lcdlr[3];		/* 0x04 */
-		u32 iocr[11];		/* 0x10 IO configuration register */
-		u32 bdlr6;		/* 0x3c */
-		u32 gtr;		/* 0x40 */
-		u32 gcr;		/* 0x44 */
-		u32 gsr[3];		/* 0x48 */
+		u32 mdlr;		/* 0x00 master delay line register */
+		u32 lcdlr[3];		/* 0x04 local calibrated delay line registers */
+		u32 bdlr[12];		/* 0x10 bit delay line registers */
+		u32 gtr;		/* 0x40 general timing register */
+		u32 gcr;		/* 0x44 general configuration register */
+		u32 gsr[3];		/* 0x48 general status registers */
 		u8 res0[0x2c];		/* 0x54 */
-	} datx[4];
-	u8 res10[0x388];	/* 0x500 */
+	} dx[4];
+	u8 res11[0x388];	/* 0x500 */
 	u32 upd2;		/* 0x888 */
 };
 
@@ -174,12 +177,14 @@ struct sunxi_mctl_ctl_reg {
 
 #define ZQCR_PWRDOWN	(0x1 << 31)	/* ZQ power down */
 
-#define DATX_IOCR_DQ(x)	(x)		/* DQ0-7 IOCR index */
-#define DATX_IOCR_DM	(8)		/* DM IOCR index */
-#define DATX_IOCR_DQS	(9)		/* DQS IOCR index */
-#define DATX_IOCR_DQSN	(10)		/* DQSN IOCR index */
+#define ACBDLR_WRITE_DELAY(x)	((x) << 8)
 
-#define DATX_IOCR_WRITE_DELAY(x)	((x) << 8)
-#define DATX_IOCR_READ_DELAY(x)		((x) << 0)
+#define DXBDLR_DQ(x)	(x)		/* DQ0-7 BDLR index */
+#define DXBDLR_DM	(8)		/* DM BDLR index */
+#define DXBDLR_DQS	(9)		/* DQS BDLR index */
+#define DXBDLR_DQSN	(10)		/* DQSN BDLR index */
+
+#define DXBDLR_WRITE_DELAY(x)	((x) << 8)
+#define DXBDLR_READ_DELAY(x)	((x) << 0)
 
 #endif /* _SUNXI_DRAM_SUN8I_H3_H */
diff --git a/arch/arm/mach-sunxi/dram_sun8i_h3.c b/arch/arm/mach-sunxi/dram_sun8i_h3.c
index b08b8e6..3dd6803 100644
--- a/arch/arm/mach-sunxi/dram_sun8i_h3.c
+++ b/arch/arm/mach-sunxi/dram_sun8i_h3.c
@@ -72,21 +72,21 @@ static void mctl_dq_delay(u32 read, u32 write)
 	u32 val;
 
 	for (i = 0; i < 4; i++) {
-		val = DATX_IOCR_WRITE_DELAY((write >> (i * 4)) & 0xf) |
-		      DATX_IOCR_READ_DELAY(((read >> (i * 4)) & 0xf) * 2);
+		val = DXBDLR_WRITE_DELAY((write >> (i * 4)) & 0xf) |
+		      DXBDLR_READ_DELAY(((read >> (i * 4)) & 0xf) * 2);
 
-		for (j = DATX_IOCR_DQ(0); j <= DATX_IOCR_DM; j++)
-			writel(val, &mctl_ctl->datx[i].iocr[j]);
+		for (j = DXBDLR_DQ(0); j <= DXBDLR_DM; j++)
+			writel(val, &mctl_ctl->dx[i].bdlr[j]);
 	}
 
 	clrbits_le32(&mctl_ctl->pgcr[0], 1 << 26);
 
 	for (i = 0; i < 4; i++) {
-		val = DATX_IOCR_WRITE_DELAY((write >> (16 + i * 4)) & 0xf) |
-		      DATX_IOCR_READ_DELAY((read >> (16 + i * 4)) & 0xf);
+		val = DXBDLR_WRITE_DELAY((write >> (16 + i * 4)) & 0xf) |
+		      DXBDLR_READ_DELAY((read >> (16 + i * 4)) & 0xf);
 
-		writel(val, &mctl_ctl->datx[i].iocr[DATX_IOCR_DQS]);
-		writel(val, &mctl_ctl->datx[i].iocr[DATX_IOCR_DQSN]);
+		writel(val, &mctl_ctl->dx[i].bdlr[DXBDLR_DQS]);
+		writel(val, &mctl_ctl->dx[i].bdlr[DXBDLR_DQSN]);
 	}
 
 	setbits_le32(&mctl_ctl->pgcr[0], 1 << 26);
@@ -344,7 +344,7 @@ static int mctl_channel_init(struct dram_para *para)
 
 	/* set dramc odt */
 	for (i = 0; i < 4; i++)
-		clrsetbits_le32(&mctl_ctl->datx[i].gcr, (0x3 << 4) |
+		clrsetbits_le32(&mctl_ctl->dx[i].gcr, (0x3 << 4) |
 				(0x1 << 1) | (0x3 << 2) | (0x3 << 12) |
 				(0x3 << 14),
 				IS_ENABLED(CONFIG_DRAM_ODT_EN) ? 0x0 : 0x2);
@@ -364,8 +364,8 @@ static int mctl_channel_init(struct dram_para *para)
 
 	/* set half DQ */
 	if (para->bus_width != 32) {
-		writel(0x0, &mctl_ctl->datx[2].gcr);
-		writel(0x0, &mctl_ctl->datx[3].gcr);
+		writel(0x0, &mctl_ctl->dx[2].gcr);
+		writel(0x0, &mctl_ctl->dx[3].gcr);
 	}
 
 	/* data training configuration */
@@ -386,17 +386,17 @@ static int mctl_channel_init(struct dram_para *para)
 	/* detect ranks and bus width */
 	if (readl(&mctl_ctl->pgsr[0]) & (0xfe << 20)) {
 		/* only one rank */
-		if (((readl(&mctl_ctl->datx[0].gsr[0]) >> 24) & 0x2) ||
-		    ((readl(&mctl_ctl->datx[1].gsr[0]) >> 24) & 0x2)) {
+		if (((readl(&mctl_ctl->dx[0].gsr[0]) >> 24) & 0x2) ||
+		    ((readl(&mctl_ctl->dx[1].gsr[0]) >> 24) & 0x2)) {
 			clrsetbits_le32(&mctl_ctl->dtcr, 0xf << 24, 0x1 << 24);
 			para->dual_rank = 0;
 		}
 
 		/* only half DQ width */
-		if (((readl(&mctl_ctl->datx[2].gsr[0]) >> 24) & 0x1) ||
-		    ((readl(&mctl_ctl->datx[3].gsr[0]) >> 24) & 0x1)) {
-			writel(0x0, &mctl_ctl->datx[2].gcr);
-			writel(0x0, &mctl_ctl->datx[3].gcr);
+		if (((readl(&mctl_ctl->dx[2].gsr[0]) >> 24) & 0x1) ||
+		    ((readl(&mctl_ctl->dx[3].gsr[0]) >> 24) & 0x1)) {
+			writel(0x0, &mctl_ctl->dx[2].gcr);
+			writel(0x0, &mctl_ctl->dx[3].gcr);
 			para->bus_width = 16;
 		}
 
-- 
2.8.2