driver/ddr/fsl: Add general MMDC driver and reuse common MMDC driver for ls1012a

This general MMDC driver adds basic support for Freescale MMDC
(Multi Mode DDR Controller). Currently MMDC is integrated on ARMv8
LS1012A SoC for DDR3L, there will be a update to this driver to
support more flexible configuration if new features (DDR4, multiple
controllers/chip selections, etc) are implimented in future.

Meantime, reuse common MMDC driver for LS1012ARDB/LS1012AQDS/
LS1012AFRDM.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>

1 files changed, 47 insertions, 48 deletions

diff --git a/include/fsl_mmdc.h b/include/fsl_mmdc.h
index a939d89d6bc..1d09ff4cb1b 100644
--- a/include/fsl_mmdc.h
+++ b/include/fsl_mmdc.h
@@ -7,63 +7,39 @@
 #ifndef FSL_MMDC_H
 #define FSL_MMDC_H
 
-#define CONFIG_SYS_MMDC_CORE_ODT_TIMING		0x12554000
-#define CONFIG_SYS_MMDC_CORE_TIMING_CFG_0	0xbabf7954
-#define CONFIG_SYS_MMDC_CORE_TIMING_CFG_1	0xff328f64
-#define CONFIG_SYS_MMDC_CORE_TIMING_CFG_2	0x01ff00db
-
-#define CONFIG_SYS_MMDC_CORE_MISC		0x00001680
-#define CONFIG_SYS_MMDC_PHY_MEASURE_UNIT	0x00000800
-#define CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY	0x00002000
-#define CONFIG_SYS_MMDC_PHY_ODT_CTRL		0x0000022a
-
-#define CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY	0x00bf1023
-
-#define CONFIG_SYS_MMDC_CORE_ADDR_PARTITION	0x0000007f
-
-#define CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL		0xa1390003
-
-#define	FORCE_ZQ_AUTO_CALIBRATION		(0x1 << 16)
-
-/* PHY Write Leveling Configuration and Error Status (MPWLGCR) */
-#define WR_LVL_HW_EN				0x00000001
+/* PHY Write Leveling Configuration and Error Status Register (MPWLGCR) */
+#define MPWLGCR_HW_WL_EN		(1 << 0)
 
 /* PHY Pre-defined Compare and CA delay-line Configuration (MPPDCMPR2) */
-#define MPR_COMPARE_EN				0x00000001
+#define MPPDCMPR2_MPR_COMPARE_EN	(1 << 0)
 
-#define CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG	0x40404040
 
 /* MMDC PHY Read DQS gating control register 0 (MPDGCTRL0) */
-#define AUTO_RD_DQS_GATING_CALIBRATION_EN	0x10000000
+#define AUTO_RD_DQS_GATING_CALIBRATION_EN	(1 << 28)
 
 /* MMDC PHY Read Delay HW Calibration Control Register (MPRDDLHWCTL) */
-#define AUTO_RD_CALIBRATION_EN			0x00000010
-
-#define CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL	0x00030035
+#define MPRDDLHWCTL_AUTO_RD_CALIBRATION_EN	(1 << 4)
 
-#define CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT	0x00001067
+/* MMDC Core Power Saving Control and Status Register (MMDC_MAPSR) */
+#define MMDC_MAPSR_PWR_SAV_CTRL_STAT	0x00001067
 
-#define CONFIG_SYS_MMDC_CORE_REFRESH_CTL	0x0f3c8000
-
-#define START_REFRESH				0x00000001
+/* MMDC Core Refresh Control Register (MMDC_MDREF) */
+#define MDREF_START_REFRESH	(1 << 0)
 
 /* MMDC Core Special Command Register (MDSCR) */
-#define CMD_ADDR_MSB_MR_OP(x)   (x << 24)
-
-#define  CMD_ADDR_LSB_MR_ADDR(x)    (x << 16)
-
-#define DISABLE_CFG_REQ		0x0
-#define CONFIGURATION_REQ	(0x1  << 15)
-#define WL_EN			(0x1  << 9)
-
-#define	CMD_NORMAL		(0x0 << 4)
-#define	CMD_PRECHARGE		(0x1 << 4)
-#define	CMD_AUTO_REFRESH	(0x2 << 4)
-#define	CMD_LOAD_MODE_REG	(0x3 << 4)
-#define	CMD_ZQ_CALIBRATION	(0x4 << 4)
-#define	CMD_PRECHARGE_BANK_OPEN	(0x5 << 4)
-#define	CMD_MRR			(0x6 << 4)
-
+#define CMD_ADDR_MSB_MR_OP(x)	(x << 24)
+#define CMD_ADDR_LSB_MR_ADDR(x) (x << 16)
+#define MDSCR_DISABLE_CFG_REQ   (0 << 15)
+#define MDSCR_ENABLE_CON_REQ	(1 << 15)
+#define MDSCR_CON_ACK		(1 << 14)
+#define MDSCR_WL_EN		(1 << 9)
+#define	CMD_NORMAL		(0 << 4)
+#define	CMD_PRECHARGE		(1 << 4)
+#define	CMD_AUTO_REFRESH	(2 << 4)
+#define	CMD_LOAD_MODE_REG	(3 << 4)
+#define	CMD_ZQ_CALIBRATION	(4 << 4)
+#define	CMD_PRECHARGE_BANK_OPEN	(5 << 4)
+#define	CMD_MRR			(6 << 4)
 #define CMD_BANK_ADDR_0		0x0
 #define CMD_BANK_ADDR_1		0x1
 #define CMD_BANK_ADDR_2		0x2
@@ -73,8 +49,22 @@
 #define CMD_BANK_ADDR_6		0x6
 #define CMD_BANK_ADDR_7		0x7
 
+/* MMDC Core Control Register (MDCTL) */
+#define MDCTL_SDE0		(1 << 31)
+#define MDCTL_SDE1		(1 << 30)
+
+/* MMDC PHY ZQ HW control register (MMDC_MPZQHWCTRL) */
+#define MPZQHWCTRL_ZQ_HW_FORCE	(1 << 16)
+
+/* MMDC PHY Measure Unit Register (MMDC_MPMUR0) */
+#define MMDC_MPMUR0_FRC_MSR	(1 << 11)
+
+/* MMDC PHY Read delay-lines Configuration Register (MMDC_MPRDDLCTL) */
+/* default 64 for a quarter cycle delay */
+#define MMDC_MPRDDLCTL_DEFAULT_DELAY	0x40404040
+
 /* MMDC Registers */
-struct mmdc_p_regs {
+struct mmdc_regs {
 	u32 mdctl;
 	u32 mdpdc;
 	u32 mdotc;
@@ -120,7 +110,10 @@ struct mmdc_p_regs {
 	u32 mprddqby1dl;
 	u32 mprddqby2dl;
 	u32 mprddqby3dl;
-	u32 res5[4];
+	u32 mpwrdqby0dl;
+	u32 mpwrdqby1dl;
+	u32 mpwrdqby2dl;
+	u32 mpwrdqby3dl;
 	u32 mpdgctrl0;
 	u32 mpdgctrl1;
 	u32 mpdgdlst0;
@@ -157,4 +150,10 @@ struct mmdc_p_regs {
 	u32 mpdccr;
 };
 
+void mmdc_init(void);
+
+#if !defined(CONFIG_MMDC_MDCTL)
+#error Must configure board-specific timing CONFIG_MMDC_* in <board>.h for MMDC
+#endif
+
 #endif /* FSL_MMDC_H */