Merge pull request #1543 from martin-frbg/mips32

Fix MIPS32 build and add MIPS 1004K cpu (MT7621 SOC)

Makefile.prebuild

@@ -17,6 +17,10 @@ ifdef CPUIDEMU
 EXFLAGS = -DCPUIDEMU -DVENDOR=99
 endif
 
+ifeq ($(TARGET), 1004K)
+TARGET_FLAGS = -mips32r2
+endif
+
 ifeq ($(TARGET), P5600)
 TARGET_FLAGS = -mips32r5
 endif

Makefile.system

@@ -564,6 +564,11 @@ CCOMMON_OPT += -march=mips64
 FCOMMON_OPT += -march=mips64
 endif
 
+ifeq ($(CORE), 1004K)
+CCOMMON_OPT += -mips32r2   $(MSA_FLAGS)
+FCOMMON_OPT += -mips32r2   $(MSA_FLAGS)
+endif
+
 ifeq ($(CORE), P5600)
 CCOMMON_OPT += -mips32r5 -mnan=2008 -mtune=p5600  $(MSA_FLAGS)
 FCOMMON_OPT += -mips32r5 -mnan=2008 -mtune=p5600  $(MSA_FLAGS)

TargetList.txt

@@ -56,6 +56,7 @@ CELL
 
 3.MIPS CPU:
 P5600
+1004K
 
 4.MIPS64 CPU:
 SICORTEX

cpuid_mips.c

@@ -72,10 +72,12 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define CPU_UNKNOWN     0
 #define CPU_P5600       1
+#define CPU_1004K	2
 
 static char *cpuname[] = {
   "UNKOWN",
-  "P5600"
+  "P5600",
+  "1004K"
 };
 
 int detect(void){
@@ -90,7 +92,7 @@ int detect(void){
     if (!strncmp("cpu", buffer, 3)){
 	p = strchr(buffer, ':') + 2;
 #if 0
-	fprintf(stderr, "%s\n", p);
+	fprintf(stderr, "%s \n", p);
 #endif
 	break;
       }
@@ -99,43 +101,13 @@ int detect(void){
   fclose(infile);
 
   if(p != NULL){
-  if (strstr(p, "Loongson-3A")){
+  if (strstr(p, "5600")) {
-    return CPU_LOONGSON3A;
+    return CPU_P5600;
-  }else if(strstr(p, "Loongson-3B")){
+  } else if (strstr(p, "1004K")) {
-    return CPU_LOONGSON3B;
+    return CPU_1004K;
-  }else if (strstr(p, "Loongson-3")){
+  } else  
-    infile = fopen("/proc/cpuinfo", "r");
-    p = (char *)NULL;
-    while (fgets(buffer, sizeof(buffer), infile)){
-      if (!strncmp("system type", buffer, 11)){
-	p = strchr(buffer, ':') + 2;
-	break;
-      }
-    }
-    fclose(infile);
-    if (strstr(p, "loongson3a"))
-      return CPU_LOONGSON3A;
-  }else{
     return CPU_UNKNOWN;
   }
-  }
-  //Check model name for Loongson3
-  infile = fopen("/proc/cpuinfo", "r");
-  p = (char *)NULL;
-  while (fgets(buffer, sizeof(buffer), infile)){
-    if (!strncmp("model name", buffer, 10)){
-      p = strchr(buffer, ':') + 2;
-      break;
-    }
-  }
-  fclose(infile);
-  if(p != NULL){
-  if (strstr(p, "Loongson-3A")){
-    return CPU_LOONGSON3A;
-  }else if(strstr(p, "Loongson-3B")){
-    return CPU_LOONGSON3B;
-  }
-  }
 #endif
     return CPU_UNKNOWN;
 }
@@ -149,7 +121,7 @@ void get_architecture(void){
 }
 
 void get_subarchitecture(void){
-  if(detect()==CPU_P5600){
+  if(detect()==CPU_P5600|| detect()==CPU_1004K){
     printf("P5600");
   }else{
     printf("UNKNOWN");
@@ -170,6 +142,14 @@ void get_cpuconfig(void){
     printf("#define DTB_DEFAULT_ENTRIES 64\n");
     printf("#define DTB_SIZE 4096\n");
     printf("#define L2_ASSOCIATIVE 8\n");
+  } else if (detect()==CPU_1004K) {
+    printf("#define MIPS1004K\n");
+    printf("#define L1_DATA_SIZE 32768\n");
+    printf("#define L1_DATA_LINESIZE 32\n");
+    printf("#define L2_SIZE 26144\n");
+    printf("#define DTB_DEFAULT_ENTRIES 8\n");
+    printf("#define DTB_SIZE 4096\n");
+    printf("#define L2_ASSOCIATIVE 4\n");
   }else{
     printf("#define UNKNOWN\n");
   }
@@ -178,6 +158,8 @@ void get_cpuconfig(void){
 void get_libname(void){
   if(detect()==CPU_P5600) {
     printf("p5600\n");
+  } else if (detect()==CPU_1004K) {
+    printf("1004K\n");
   }else{
     printf("mips\n");
   }

kernel/Makefile.L3

@@ -20,6 +20,10 @@ ifeq ($(ARCH), arm64)
 USE_TRMM = 1
 endif
 
+ifeq ($(ARCH), mips)
+USE_TRMM = 1
+endif
+
 ifeq ($(TARGET), LOONGSON3B)
 USE_TRMM = 1
 endif

kernel/mips/KERNEL.1004K

@@ -0,0 +1 @@
+include $(KERNELDIR)/KERNEL.P5600

param.h

@@ -2291,7 +2291,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define SYMV_P	16
 #endif
 
-#if defined(P5600) || defined(I6400) || defined(P6600) || defined(I6500)
+#if defined(P5600) || defined(MIPS1004K) || defined(I6400) || defined(P6600) || defined(I6500)
 #define SNUMOPT  2
 #define DNUMOPT  2