#define _DDR_DEFS_H
#include <asm/arch/hardware.h>
+#include <asm/emif.h>
/* AM335X EMIF Register values */
#define VTP_CTRL_READY (0x1 << 5)
#define VTP_CTRL_ENABLE (0x1 << 6)
#define VTP_CTRL_START_EN (0x1)
-#define CMD_FORCE 0x00
-#define CMD_DELAY 0x00
#define PHY_DLL_LOCK_DIFF 0x0
#define DDR_CKE_CTRL_NORMAL 0x1
#define DDR2_PHY_RANK0_DELAY 0x1
#define DDR2_IOCTRL_VALUE 0x18B
-/**
- * Encapsulates DDR PHY control and corresponding shadow registers.
- */
-struct ddr_phy_control {
- unsigned long reg;
- unsigned long reg_sh;
- unsigned long reg2;
-};
-
-/**
- * Encapsulates SDRAM timing and corresponding shadow registers.
- */
-struct sdram_timing {
- unsigned long time1;
- unsigned long time1_sh;
- unsigned long time2;
- unsigned long time2_sh;
- unsigned long time3;
- unsigned long time3_sh;
-};
-
-/**
- * Encapsulates SDRAM configuration.
- * (Includes refresh control registers) */
-struct sdram_config {
- unsigned long sdrcr;
- unsigned long sdrcr2;
- unsigned long refresh;
- unsigned long refresh_sh;
-};
+/* Micron MT41J128M16JT-125 */
+#define DDR3_EMIF_READ_LATENCY 0x06
+#define DDR3_EMIF_TIM1 0x0888A39B
+#define DDR3_EMIF_TIM2 0x26337FDA
+#define DDR3_EMIF_TIM3 0x501F830F
+#define DDR3_EMIF_SDCFG 0x61C04AB2
+#define DDR3_EMIF_SDREF 0x0000093B
+#define DDR3_ZQ_CFG 0x50074BE4
+#define DDR3_DLL_LOCK_DIFF 0x1
+#define DDR3_RATIO 0x40
+#define DDR3_INVERT_CLKOUT 0x1
+#define DDR3_RD_DQS 0x3B
+#define DDR3_WR_DQS 0x85
+#define DDR3_PHY_WR_DATA 0xC1
+#define DDR3_PHY_FIFO_WE 0x100
+#define DDR3_IOCTRL_VALUE 0x18B
/**
* Configure SDRAM
*/
-int config_sdram(struct sdram_config *cfg);
+void config_sdram(const struct emif_regs *regs);
/**
* Set SDRAM timings
*/
-int set_sdram_timings(struct sdram_timing *val);
+void set_sdram_timings(const struct emif_regs *regs);
/**
* Configure DDR PHY
*/
-int config_ddr_phy(struct ddr_phy_control *cfg);
+void config_ddr_phy(const struct emif_regs *regs);
/**
* This structure represents the DDR registers on AM33XX devices.
+ * We make use of DDR_PHY_BASE_ADDR2 to address the DATA1 registers that
+ * correspond to DATA1 registers defined here.
*/
struct ddr_regs {
unsigned int resv0[7];
unsigned int cm0csratio; /* offset 0x01C */
- unsigned int cm0csforce; /* offset 0x020 */
- unsigned int cm0csdelay; /* offset 0x024 */
+ unsigned int resv1[2];
unsigned int cm0dldiff; /* offset 0x028 */
unsigned int cm0iclkout; /* offset 0x02C */
- unsigned int resv1[8];
+ unsigned int resv2[8];
unsigned int cm1csratio; /* offset 0x050 */
- unsigned int cm1csforce; /* offset 0x054 */
- unsigned int cm1csdelay; /* offset 0x058 */
+ unsigned int resv3[2];
unsigned int cm1dldiff; /* offset 0x05C */
unsigned int cm1iclkout; /* offset 0x060 */
- unsigned int resv2[8];
+ unsigned int resv4[8];
unsigned int cm2csratio; /* offset 0x084 */
- unsigned int cm2csforce; /* offset 0x088 */
- unsigned int cm2csdelay; /* offset 0x08C */
+ unsigned int resv5[2];
unsigned int cm2dldiff; /* offset 0x090 */
unsigned int cm2iclkout; /* offset 0x094 */
- unsigned int resv3[12];
+ unsigned int resv6[12];
unsigned int dt0rdsratio0; /* offset 0x0C8 */
- unsigned int dt0rdsratio1; /* offset 0x0CC */
- unsigned int resv4[3];
+ unsigned int resv7[4];
unsigned int dt0wdsratio0; /* offset 0x0DC */
- unsigned int dt0wdsratio1; /* offset 0x0E0 */
- unsigned int resv5[3];
+ unsigned int resv8[4];
unsigned int dt0wiratio0; /* offset 0x0F0 */
- unsigned int dt0wiratio1; /* offset 0x0F4 */
+ unsigned int resv9;
+ unsigned int dt0wimode0; /* offset 0x0F8 */
unsigned int dt0giratio0; /* offset 0x0FC */
- unsigned int dt0giratio1; /* offset 0x100 */
- unsigned int resv6[1];
+ unsigned int resv10;
+ unsigned int dt0gimode0; /* offset 0x104 */
unsigned int dt0fwsratio0; /* offset 0x108 */
- unsigned int dt0fwsratio1; /* offset 0x10C */
- unsigned int resv7[4];
+ unsigned int resv11[4];
+ unsigned int dt0dqoffset; /* offset 0x11C */
unsigned int dt0wrsratio0; /* offset 0x120 */
- unsigned int dt0wrsratio1; /* offset 0x124 */
- unsigned int resv8[3];
+ unsigned int resv12[4];
unsigned int dt0rdelays0; /* offset 0x134 */
unsigned int dt0dldiff0; /* offset 0x138 */
- unsigned int resv9[39];
- unsigned int dt1rdelays0; /* offset 0x1D8 */
};
/**
*/
struct ddr_data {
unsigned long datardsratio0;
- unsigned long datardsratio1;
unsigned long datawdsratio0;
- unsigned long datawdsratio1;
unsigned long datawiratio0;
- unsigned long datawiratio1;
unsigned long datagiratio0;
- unsigned long datagiratio1;
unsigned long datafwsratio0;
- unsigned long datafwsratio1;
unsigned long datawrsratio0;
- unsigned long datawrsratio1;
+ unsigned long datauserank0delay;
unsigned long datadldiff0;
};
/**
* Configure DDR CMD control registers
*/
-int config_cmd_ctrl(const struct cmd_control *cmd);
+void config_cmd_ctrl(const struct cmd_control *cmd);
/**
* Configure DDR DATA registers
*/
-int config_ddr_data(int data_macrono, const struct ddr_data *data);
+void config_ddr_data(int data_macrono, const struct ddr_data *data);
/**
* This structure represents the DDR io control on AM33XX devices.
unsigned int dt1ioctl;
};
-/**
- * Encapsulates DDR CMD & DATA io control registers.
- */
-struct ddr_ioctrl {
- unsigned long cmd1ctl;
- unsigned long cmd2ctl;
- unsigned long cmd3ctl;
- unsigned long data1ctl;
- unsigned long data2ctl;
-};
-
/**
* Configure DDR io control registers
*/
-int config_io_ctrl(struct ddr_ioctrl *ioctrl);
+void config_io_ctrl(unsigned long val);
struct ddr_ctrl {
unsigned int ddrioctrl;