Changeset 186

Timestamp:

11.11.2008 22:17:44 (2 months ago)

Author:

seb

Message:

Small improvements

Files:

• boards/xilinx-ml401/rtl/setup.v (modified) (1 diff)
• boards/xilinx-ml401/synthesis/Makefile (modified) (1 diff)
• boards/xilinx-ml401/test/Makefile (modified) (1 diff)
• software/bios/main.c (modified) (3 diffs)
• software/include/hw/hpdmc.h (added)

boards/xilinx-ml401/rtl/setup.v

@@ -28 +28 @@
-//`define ENABLE_GPIO
-//`define ENABLE_ACEUSB
-//
+
-//`define ENABLE_INTC
-//`define ENABLE_TIMER

boards/xilinx-ml401/synthesis/Makefile

@@ -48 +48 @@
-SYNCLEAN+=system.map system_summary.xml timing.twr
-SYNCLEAN+=system-routed* system_usage* system.ngc param.opt netlist.lst
-
+xst 
-SYNCLEAN+=xlnx_auto_0.ise system_par.xrpt smartpreview.twr system.ngc_xst.xrpt
-SYNCLEAN+=system_ngdbuild.xrpt system_map.xrpt xlnx_auto_0_xdb _impactbatch.log

boards/xilinx-ml401/test/Makefile

@@ -54 +54 @@
-
-clean:
-
+ system
-
-.PHONY: clean cversim isim

software/bios/main.c

@@ -22 +22 @@
-#include <hw/board.h>
-#include <hw/uart.h>
+#include <hw/hpdmc.h>
-#include <libc.h>
-#include <console.h>
@@ -230 +231 @@
-}
-
+static void ddrinit()
+{
+        volatile unsigned int i;
+        
+        printf("Initializing DDRAM\n");
+        CSR_HPDMC_SYSTEM = 0x07;        /* Bring CKE high */
+        for(i=0;i<2;i++);
+        CSR_HPDMC_BYPASS = 0x400B;      /* Precharge All */
+        for(i=0;i<2;i++);
+        CSR_HPDMC_BYPASS = 0x2000F;     /* Load Extended Mode Register */
+        for(i=0;i<2;i++);
+        CSR_HPDMC_BYPASS = 0x123F;      /* Load Mode Register */
+        for(i=0;i<200;i++);
+        CSR_HPDMC_BYPASS = 0x400B;      /* Precharge All */
+        for(i=0;i<2;i++);
+        CSR_HPDMC_BYPASS = 0xD;         /* Auto Refresh */
+        for(i=0;i<8;i++);
+        CSR_HPDMC_BYPASS = 0xD;         /* Auto Refresh */
+        for(i=0;i<8;i++);
+        CSR_HPDMC_BYPASS = 0x23F;       /* Load Mode Register, Enable DLL */
+        for(i=0;i<200;i++);
+        CSR_HPDMC_SYSTEM = 0x04;        /* Leave Bypass mode and bring up hardware controller */
+        printf("DDRAM intialization complete\n");
+}
+
-static void do_command(char *c)
-{
@@ -242 +268 @@
-        else if(strcmp(token, "serialboot") == 0) serialboot();
-        else if(strcmp(token, "cfboot") == 0) cfboot(get_token(&c));
+        else if(strcmp(token, "ddrinit") == 0) ddrinit();
-        else if(strcmp(token, "") != 0)
-                printf("Command not found\n");