#include <Library/DebugLib.h>\r
#include <Drivers/PL341Dmc.h>\r
\r
-//\r
-// DMC Configuration Register Map\r
-//\r
-#define DMC_STATUS_REG 0x00\r
-#define DMC_COMMAND_REG 0x04\r
-#define DMC_DIRECT_CMD_REG 0x08\r
-#define DMC_MEMORY_CONFIG_REG 0x0C\r
-#define DMC_REFRESH_PRD_REG 0x10\r
-#define DMC_CAS_LATENCY_REG 0x14\r
-#define DMC_WRITE_LATENCY_REG 0x18\r
-#define DMC_T_MRD_REG 0x1C\r
-#define DMC_T_RAS_REG 0x20\r
-#define DMC_T_RC_REG 0x24\r
-#define DMC_T_RCD_REG 0x28\r
-#define DMC_T_RFC_REG 0x2C\r
-#define DMC_T_RP_REG 0x30\r
-#define DMC_T_RRD_REG 0x34\r
-#define DMC_T_WR_REG 0x38\r
-#define DMC_T_WTR_REG 0x3C\r
-#define DMC_T_XP_REG 0x40\r
-#define DMC_T_XSR_REG 0x44\r
-#define DMC_T_ESR_REG 0x48\r
-#define DMC_MEMORY_CFG2_REG 0x4C\r
-#define DMC_MEMORY_CFG3_REG 0x50\r
-#define DMC_T_FAW_REG 0x54\r
-\r
-// Returns the state of the memory controller:\r
-#define DMC_STATUS_CONFIG 0x0\r
-#define DMC_STATUS_READY 0x1\r
-#define DMC_STATUS_PAUSED 0x2\r
-#define DMC_STATUS_LOWPOWER 0x3\r
-\r
-// Changes the state of the memory controller:\r
-#define DMC_COMMAND_GO 0x0\r
-#define DMC_COMMAND_SLEEP 0x1\r
-#define DMC_COMMAND_WAKEUP 0x2\r
-#define DMC_COMMAND_PAUSE 0x3\r
-#define DMC_COMMAND_CONFIGURE 0x4\r
-#define DMC_COMMAND_ACTIVEPAUSE 0x7\r
-\r
-// Determines the command required\r
-#define DMC_DIRECT_CMD_MEMCMD_PRECHARGEALL 0x0\r
-#define DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH (0x1 << 18)\r
-#define DMC_DIRECT_CMD_MEMCMD_MODEREG (0x2 << 18)\r
-#define DMC_DIRECT_CMD_MEMCMD_EXTMODEREG (0x2 << 18)\r
-#define DMC_DIRECT_CMD_MEMCMD_NOP (0x3 << 18)\r
-#define DMC_DIRECT_CMD_MEMCMD_DPD (0x1 << 22)\r
-#define DMC_DIRECT_CMD_BANKADDR(n) ((n & 0x3) << 16)\r
-#define DMC_DIRECT_CMD_CHIP_ADDR(n) ((n & 0x3) << 20)\r
-\r
-\r
-//\r
-// AXI ID configuration register map\r
-//\r
-#define DMC_ID_0_CFG_REG 0x100\r
-#define DMC_ID_1_CFG_REG 0x104\r
-#define DMC_ID_2_CFG_REG 0x108\r
-#define DMC_ID_3_CFG_REG 0x10C\r
-#define DMC_ID_4_CFG_REG 0x110\r
-#define DMC_ID_5_CFG_REG 0x114\r
-#define DMC_ID_6_CFG_REG 0x118\r
-#define DMC_ID_7_CFG_REG 0x11C\r
-#define DMC_ID_8_CFG_REG 0x120\r
-#define DMC_ID_9_CFG_REG 0x124\r
-#define DMC_ID_10_CFG_REG 0x128\r
-#define DMC_ID_11_CFG_REG 0x12C\r
-#define DMC_ID_12_CFG_REG 0x130\r
-#define DMC_ID_13_CFG_REG 0x134\r
-#define DMC_ID_14_CFG_REG 0x138\r
-#define DMC_ID_15_CFG_REG 0x13C\r
-\r
-// Set the QoS\r
-#define DMC_ID_CFG_QOS_DISABLE 0\r
-#define DMC_ID_CFG_QOS_ENABLE 1\r
-#define DMC_ID_CFG_QOS_MIN 2\r
-\r
-\r
-//\r
-// Chip configuration register map\r
-//\r
-#define DMC_CHIP_0_CFG_REG 0x200\r
-#define DMC_CHIP_1_CFG_REG 0x204\r
-#define DMC_CHIP_2_CFG_REG 0x208\r
-#define DMC_CHIP_3_CFG_REG 0x20C\r
-\r
-//\r
-// User Defined Pins\r
-//\r
-#define DMC_USER_STATUS_REG 0x300\r
-#define DMC_USER_0_CFG_REG 0x304\r
-#define DMC_USER_1_CFG_REG 0x308\r
-#define DMC_FEATURE_CRTL_REG 0x30C\r
-#define DMC_USER_2_CFG_REG 0x310\r
-\r
-\r
-//\r
-// PHY Register Settings\r
-//\r
-#define TC_UIOLHNC_MASK 0x000003C0\r
-#define TC_UIOLHNC_SHIFT 0x6\r
-#define TC_UIOLHPC_MASK 0x0000003F\r
-#define TC_UIOLHPC_SHIFT 0x2\r
-#define TC_UIOHOCT_MASK 0x2\r
-#define TC_UIOHOCT_SHIFT 0x1\r
-#define TC_UIOHSTOP_SHIFT 0x0\r
-#define TC_UIOLHXC_VALUE 0x4 \r
-\r
-//\r
-// Extended Mode Register settings\r
-//\r
-#define DDR_EMR_OCD_MASK 0x0000380\r
-#define DDR_EMR_OCD_SHIFT 0x7\r
-#define DDR_EMR_RTT_MASK 0x00000044 // DDR2 Device RTT (ODT) settings\r
-#define DDR_EMR_RTT_SHIFT 0x2 \r
-#define DDR_EMR_ODS_MASK 0x00000002 // DDR2 Output Drive Strength\r
-#define DDR_EMR_ODS_SHIFT 0x0001\r
-// Termination Values:\r
-#define DDR_EMR_RTT_50 0x00000044 // DDR2 50 Ohm termination\r
-#define DDR_EMR_RTT_75R 0x00000004 // DDR2 75 Ohm termination\r
-#define DDR_EMR_RTT_150 0x00000040 // DDR2 150 Ohm termination\r
-// Output Drive Strength Values:\r
-#define DDR_EMR_ODS_FULL 0x0 // DDR2 Full Drive Strength\r
-#define DDR_EMR_ODS_HALF 0x1 // DDR2 Half Drive Strength\r
-// OCD values\r
-#define DDR_EMR_OCD_DEFAULT 0x7\r
-#define DDR_EMR_OCD_NS 0x0\r
-\r
-#define DDR_EMR_ODS_VAL DDR_EMR_ODS_FULL\r
+// Macros for writing to DDR2 controller.\r
+#define DmcWriteReg(reg,val) MmioWrite32(DmcBase + reg, val)\r
+#define DmcReadReg(reg) MmioRead32(DmcBase + reg)\r
\r
+// Macros for writing/reading to DDR2 PHY controller\r
+#define DmcPhyWriteReg(reg,val) MmioWrite32(DmcPhyBase + reg, val)\r
+#define DmcPhyReadReg(reg) MmioRead32(DmcPhyBase + reg)\r
+\r
+// Initialise PL341 Dynamic Memory Controller\r
+VOID\r
+PL341DmcInit (\r
+ IN PL341_DMC_CONFIG *DmcConfig\r
+ )\r
+{\r
+ UINTN DmcBase;\r
+ UINTN Index;\r
+ UINT32 Chip;\r
+\r
+ DmcBase = DmcConfig->base;\r
+\r
+ // Set config mode\r
+ DmcWriteReg(DMC_COMMAND_REG, DMC_COMMAND_CONFIGURE);\r
+\r
+ //\r
+ // Setup the QoS AXI ID bits\r
+ //\r
+ if (DmcConfig->HasQos) {\r
+ // CLCD AXIID = 000\r
+ DmcWriteReg(DMC_ID_0_CFG_REG, DMC_ID_CFG_QOS_ENABLE | DMC_ID_CFG_QOS_MIN);\r
+\r
+ // Default disable QoS\r
+ DmcWriteReg(DMC_ID_1_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_2_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_3_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_4_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_5_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_6_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_7_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_8_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_9_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_10_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_11_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_12_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_13_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_14_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ DmcWriteReg(DMC_ID_15_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
+ }\r
\r
+ //\r
+ // Initialise memory controlller\r
+ //\r
+ DmcWriteReg(DMC_REFRESH_PRD_REG, DmcConfig->refresh_prd);\r
+ DmcWriteReg(DMC_CAS_LATENCY_REG, DmcConfig->cas_latency);\r
+ DmcWriteReg(DMC_WRITE_LATENCY_REG, DmcConfig->write_latency);\r
+ DmcWriteReg(DMC_T_MRD_REG, DmcConfig->t_mrd);\r
+ DmcWriteReg(DMC_T_RAS_REG, DmcConfig->t_ras);\r
+ DmcWriteReg(DMC_T_RC_REG, DmcConfig->t_rc);\r
+ DmcWriteReg(DMC_T_RCD_REG, DmcConfig->t_rcd);\r
+ DmcWriteReg(DMC_T_RFC_REG, DmcConfig->t_rfc);\r
+ DmcWriteReg(DMC_T_RP_REG, DmcConfig->t_rp);\r
+ DmcWriteReg(DMC_T_RRD_REG, DmcConfig->t_rrd);\r
+ DmcWriteReg(DMC_T_WR_REG, DmcConfig->t_wr);\r
+ DmcWriteReg(DMC_T_WTR_REG, DmcConfig->t_wtr);\r
+ DmcWriteReg(DMC_T_XP_REG, DmcConfig->t_xp);\r
+ DmcWriteReg(DMC_T_XSR_REG, DmcConfig->t_xsr);\r
+ DmcWriteReg(DMC_T_ESR_REG, DmcConfig->t_esr);\r
+ DmcWriteReg(DMC_T_FAW_REG, DmcConfig->t_faw);\r
+ DmcWriteReg(DMC_T_WRLAT_DIFF, DmcConfig->t_wdata_en);\r
+ DmcWriteReg(DMC_T_RDATA_EN, DmcConfig->t_data_en);\r
+\r
+ //\r
+ // Initialise PL341 Mem Config Registers\r
+ //\r
+\r
+ // Set PL341 Memory Config\r
+ DmcWriteReg(DMC_MEMORY_CONFIG_REG, DmcConfig->MemoryCfg);\r
+\r
+ // Set PL341 Memory Config 2\r
+ DmcWriteReg(DMC_MEMORY_CFG2_REG, DmcConfig->MemoryCfg2);\r
+\r
+ // Set PL341 Chip Select <n>\r
+ DmcWriteReg(DMC_CHIP_0_CFG_REG, DmcConfig->ChipCfg0);\r
+ DmcWriteReg(DMC_CHIP_1_CFG_REG, DmcConfig->ChipCfg1);\r
+ DmcWriteReg(DMC_CHIP_2_CFG_REG, DmcConfig->ChipCfg2);\r
+ DmcWriteReg(DMC_CHIP_3_CFG_REG, DmcConfig->ChipCfg3);\r
+\r
+ // Delay\r
+ for (Index = 0; Index < 10; Index++) {\r
+ DmcReadReg(DMC_STATUS_REG);\r
+ }\r
\r
-#define DmcWriteReg(reg,val) MmioWrite32(DmcBase + reg, val)\r
-#define DmcReadReg(reg) MmioRead32(DmcBase + reg)\r
+ // Set PL341 Memory Config 3\r
+ DmcWriteReg(DMC_MEMORY_CFG3_REG, DmcConfig->MemoryCfg3);\r
\r
-// Initialize PL341 Dynamic Memory Controller\r
-VOID PL341DmcInit(struct pl341_dmc_config *config) {\r
- UINTN DmcBase = config->base;\r
- UINT32 i, chip, val32;\r
+ if (DmcConfig->IsUserCfg) {\r
+ //\r
+ // Set Test Chip PHY Registers via PL341 User Config Reg\r
+ // Note that user_cfgX registers are Write Only\r
+ //\r
+ // DLL Freq set = 250MHz - 266MHz\r
+ //\r
+ DmcWriteReg(DMC_USER_0_CFG_REG, DmcConfig->User0Cfg);\r
\r
- // Set config mode\r
- DmcWriteReg(DMC_COMMAND_REG, DMC_COMMAND_CONFIGURE);\r
+ // user_config2\r
+ // ------------\r
+ // Set defaults before calibrating the DDR2 buffer impendence\r
+ // - Disable ODT\r
+ // - Default drive strengths\r
+ DmcWriteReg(DMC_USER_2_CFG_REG, 0x40000198);\r
\r
//\r
- // Setup the QoS AXI ID bits \r
+ // Auto calibrate the DDR2 buffers impendence\r
//\r
+ while (!(DmcReadReg(DMC_USER_STATUS_REG) & 0x100));\r
\r
- if (config->has_qos) {\r
- // CLCD AXIID = 000\r
- DmcWriteReg(DMC_ID_0_CFG_REG, DMC_ID_CFG_QOS_ENABLE | DMC_ID_CFG_QOS_MIN);\r
-\r
- // Default disable QoS\r
- DmcWriteReg(DMC_ID_1_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_2_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_3_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_4_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_5_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_6_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_7_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_8_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_9_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_10_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_11_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_12_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_13_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_14_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- DmcWriteReg(DMC_ID_15_CFG_REG, DMC_ID_CFG_QOS_DISABLE);\r
- }\r
+ // Set the output driven strength\r
+ DmcWriteReg(DMC_USER_2_CFG_REG, 0x40800000 | DmcConfig->User2Cfg);\r
\r
//\r
- // Initialise memory controlller\r
+ // Set PL341 Feature Control Register\r
//\r
- DmcWriteReg(DMC_REFRESH_PRD_REG, config->refresh_prd);\r
- DmcWriteReg(DMC_CAS_LATENCY_REG, config->cas_latency);\r
- DmcWriteReg(DMC_WRITE_LATENCY_REG, config->write_latency);\r
- DmcWriteReg(DMC_T_MRD_REG, config->t_mrd);\r
- DmcWriteReg(DMC_T_RAS_REG, config->t_ras);\r
- DmcWriteReg(DMC_T_RC_REG, config->t_rc);\r
- DmcWriteReg(DMC_T_RCD_REG, config->t_rcd);\r
- DmcWriteReg(DMC_T_RFC_REG, config->t_rfc);\r
- DmcWriteReg(DMC_T_RP_REG, config->t_rp);\r
- DmcWriteReg(DMC_T_RRD_REG, config->t_rrd);\r
- DmcWriteReg(DMC_T_WR_REG, config->t_wr);\r
- DmcWriteReg(DMC_T_WTR_REG, config->t_wtr);\r
- DmcWriteReg(DMC_T_XP_REG, config->t_xp);\r
- DmcWriteReg(DMC_T_XSR_REG, config->t_xsr);\r
- DmcWriteReg(DMC_T_ESR_REG, config->t_esr);\r
- DmcWriteReg(DMC_T_FAW_REG, config->t_faw);\r
-\r
- // =======================================================================\r
- // Initialise PL341 Mem Config Registers\r
- // =======================================================================\r
-\r
- // |======================================\r
- // | Set PL341 Memory Config\r
- // |======================================\r
- DmcWriteReg(DMC_MEMORY_CONFIG_REG, config->memory_cfg);\r
-\r
- // |======================================\r
- // | Set PL341 Memory Config 2\r
- // |======================================\r
- DmcWriteReg(DMC_MEMORY_CFG2_REG, config->memory_cfg2);\r
-\r
- // |======================================\r
- // | Set PL341 Chip Select <n>\r
- // |======================================\r
- DmcWriteReg(DMC_CHIP_0_CFG_REG, config->chip_cfg0);\r
- DmcWriteReg(DMC_CHIP_1_CFG_REG, config->chip_cfg1);\r
- DmcWriteReg(DMC_CHIP_2_CFG_REG, config->chip_cfg2);\r
- DmcWriteReg(DMC_CHIP_3_CFG_REG, config->chip_cfg3);\r
-\r
- // |======================================\r
- // | Set PL341 Memory Config 3 \r
- // |======================================\r
- DmcWriteReg(DMC_MEMORY_CFG3_REG, config->memory_cfg3);\r
-\r
- // |========================================================\r
- // |Set Test Chip PHY Registers via PL341 User Config Reg\r
- // |Note that user_cfgX registers are Write Only\r
- // |\r
- // |DLL Freq set = 250MHz - 266MHz\r
- // |======================================================== \r
- DmcWriteReg(DMC_USER_0_CFG_REG, 0x7C924924);\r
- \r
- // user_config2\r
- // ------------\r
- // Set defaults before calibrating the DDR2 buffer impendence\r
- // -Disable ODT\r
- // -Default drive strengths\r
- DmcWriteReg(DMC_USER_2_CFG_REG, 0x40000198);\r
- \r
- // |=======================================================\r
- // |Auto calibrate the DDR2 buffers impendence \r
- // |=======================================================\r
- val32 = DmcReadReg(DMC_USER_STATUS_REG);\r
- while (!(val32 & 0x100)) {\r
- val32 = DmcReadReg(DMC_USER_STATUS_REG);\r
+ // Disable early BRESP - use to optimise CLCD performance\r
+ DmcWriteReg(DMC_FEATURE_CRTL_REG, 0x00000001);\r
}\r
\r
- // Set the output driven strength\r
- DmcWriteReg(DMC_USER_2_CFG_REG, 0x40800000 | \r
- (TC_UIOLHXC_VALUE << TC_UIOLHNC_SHIFT) | \r
- (TC_UIOLHXC_VALUE << TC_UIOLHPC_SHIFT) |\r
- (0x1 << TC_UIOHOCT_SHIFT) | \r
- (0x1 << TC_UIOHSTOP_SHIFT));\r
-\r
- // |======================================\r
- // | Set PL341 Feature Control Register \r
- // |======================================\r
- // | Disable early BRESP - use to optimise CLCD performance\r
- DmcWriteReg(DMC_FEATURE_CRTL_REG, 0x00000001);\r
- \r
- //=================\r
- // Config memories\r
- //=================\r
-\r
- for (chip = 0; chip <= config-> max_chip; chip++) {\r
- // send nop\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | DMC_DIRECT_CMD_MEMCMD_NOP);\r
- // pre-charge all\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | DMC_DIRECT_CMD_MEMCMD_PRECHARGEALL);\r
-\r
- // delay\r
- for (i = 0; i < 10; i++) {\r
- val32 = DmcReadReg(DMC_STATUS_REG);\r
- }\r
+ //\r
+ // Config memories\r
+ //\r
+ for (Chip = 0; Chip < DmcConfig->MaxChip; Chip++) {\r
+ // Send nop\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_NOP);\r
\r
- // set (EMR2) extended mode register 2\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, \r
- DMC_DIRECT_CMD_CHIP_ADDR(chip) | \r
- DMC_DIRECT_CMD_BANKADDR(2) | \r
- DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);\r
- // set (EMR3) extended mode register 3\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, \r
- DMC_DIRECT_CMD_CHIP_ADDR(chip) | \r
- DMC_DIRECT_CMD_BANKADDR(3) | \r
- DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);\r
-\r
- // =================================\r
- // set (EMR) Extended Mode Register\r
- // ==================================\r
- // Put into OCD default state\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, \r
- DMC_DIRECT_CMD_CHIP_ADDR(chip) | \r
- DMC_DIRECT_CMD_BANKADDR(1) | \r
- DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);\r
-\r
- // =========================================================== \r
- // set (MR) mode register - With DLL reset\r
- // ===========================================================\r
- // Burst Length = 4 (010)\r
- // Burst Type = Seq (0)\r
- // Latency = 4 (100)\r
- // Test mode = Off (0)\r
- // DLL reset = Yes (1)\r
- // Wr Recovery = 4 (011) \r
- // PD = Normal (0)\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | 0x00080742);\r
- \r
- // pre-charge all \r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | DMC_DIRECT_CMD_MEMCMD_PRECHARGEALL);\r
- // auto-refresh \r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH);\r
- // auto-refresh \r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH);\r
-\r
- // delay\r
- for (i = 0; i < 10; i++) {\r
- val32 = DmcReadReg(DMC_STATUS_REG);\r
- }\r
+ // Pre-charge all\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_PRECHARGEALL);\r
\r
- // =========================================================== \r
- // set (MR) mode register - Without DLL reset\r
- // ===========================================================\r
- // auto-refresh\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH);\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | 0x00080642);\r
+ // Delay\r
+ for (Index = 0; Index < 10; Index++) {\r
+ DmcReadReg(DMC_STATUS_REG);\r
+ }\r
\r
- // delay\r
- for (i = 0; i < 10; i++) {\r
- val32 = DmcReadReg(DMC_STATUS_REG);\r
- }\r
+ // Set (EMR2) extended mode register 2\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG,\r
+ DMC_DIRECT_CMD_CHIP_ADDR(Chip) |\r
+ DMC_DIRECT_CMD_BANKADDR(2) |\r
+ DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);\r
\r
- // ====================================================== \r
- // set (EMR) extended mode register - Enable OCD defaults\r
- // ====================================================== \r
- val32 = 0; //NOP\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | 0x00090000 |\r
- (DDR_EMR_OCD_DEFAULT << DDR_EMR_OCD_SHIFT) | \r
- DDR_EMR_RTT_75R | \r
- (DDR_EMR_ODS_VAL << DDR_EMR_ODS_MASK));\r
-\r
- // delay\r
- for (i = 0; i < 10; i++) {\r
- val32 = DmcReadReg(DMC_STATUS_REG);\r
- }\r
+ // Set (EMR3) extended mode register 3\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG,\r
+ DMC_DIRECT_CMD_CHIP_ADDR(Chip) |\r
+ DMC_DIRECT_CMD_BANKADDR(3) |\r
+ DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);\r
\r
- // Set (EMR) extended mode register - OCD Exit\r
- val32 = 0; //NOP\r
- DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(chip) | 0x00090000 | \r
- (DDR_EMR_OCD_NS << DDR_EMR_OCD_SHIFT) | \r
- DDR_EMR_RTT_75R |\r
- (DDR_EMR_ODS_VAL << DDR_EMR_ODS_MASK));\r
+ //\r
+ // Set (EMR) Extended Mode Register\r
+ //\r
+ // Put into OCD default state\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG,DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_BANKADDR(1) | DMC_DIRECT_CMD_MEMCMD_EXTMODEREG);\r
+\r
+ //\r
+ // Set (MR) mode register - With DLL reset\r
+ //\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_EXTMODEREG | DmcConfig->ModeReg | DDR2_MR_DLL_RESET);\r
+\r
+ // Pre-charge all\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_PRECHARGEALL);\r
+ // Auto-refresh\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH);\r
+ // Auto-refresh\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_AUTOREFRESH);\r
+\r
+ //\r
+ // Set (MR) mode register - Without DLL reset\r
+ //\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | DMC_DIRECT_CMD_MEMCMD_EXTMODEREG | DmcConfig->ModeReg);\r
\r
+ // Delay\r
+ for (Index = 0; Index < 10; Index++) {\r
+ DmcReadReg(DMC_STATUS_REG);\r
}\r
\r
- //---------------------------------------- \r
- // go command\r
- DmcWriteReg(DMC_COMMAND_REG, DMC_COMMAND_GO);\r
+ //\r
+ // Set (EMR) extended mode register - Enable OCD defaults\r
+ //\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | (0x00090000) |\r
+ (1 << DDR_MODESET_SHFT) | (DDR_EMR_OCD_DEFAULT << DDR_EMR_OCD_SHIFT) | DmcConfig->ExtModeReg);\r
\r
- // wait for ready\r
- val32 = DmcReadReg(DMC_STATUS_REG);\r
- while (!(val32 & DMC_STATUS_READY)) {\r
- val32 = DmcReadReg(DMC_STATUS_REG);\r
+ // Delay\r
+ for (Index = 0; Index < 10; Index++) {\r
+ DmcReadReg(DMC_STATUS_REG);\r
}\r
+\r
+ // Set (EMR) extended mode register - OCD Exit\r
+ DmcWriteReg(DMC_DIRECT_CMD_REG, DMC_DIRECT_CMD_CHIP_ADDR(Chip) | (0x00090000) |\r
+ (1 << DDR_MODESET_SHFT) | (DDR_EMR_OCD_NS << DDR_EMR_OCD_SHIFT) | DmcConfig->ExtModeReg);\r
+ }\r
+\r
+ // Move DDR2 Controller to Ready state by issueing GO command\r
+ DmcWriteReg(DMC_COMMAND_REG, DMC_COMMAND_GO);\r
+\r
+ // wait for ready\r
+ while (!(DmcReadReg(DMC_STATUS_REG) & DMC_STATUS_READY));\r
+\r
}\r
projects / mirror_edk2.git / blobdiff