soc/software/bios/sdram: improve sdrlevel readibility

diff --git a/litex/soc/software/bios/sdram.c b/litex/soc/software/bios/sdram.c
index ad63bf84d476d155f0a5fad0cb2ad70f87cf2546..eb8dda036b55bde56fd212e819ac6ab93fed2a7d 100644 (file)
--- a/litex/soc/software/bios/sdram.c
+++ b/litex/soc/software/bios/sdram.c
@@ -762,7 +762,7 @@ int memtest(void)
 #ifdef CSR_DDRPHY_BASE
 int sdrlevel(void)
 {
-       int i, j;
+       int module;
        int bitslip;
        int score;
        int best_score;
@@ -784,14 +784,14 @@ int sdrlevel(void)
 #endif
 
        printf("Read leveling:\n");
-       for(i=0; i<NBMODULES; i++) {
+       for(module=0; module<NBMODULES; module++) {
                /* scan possible read windows */
                best_score = 0;
                best_bitslip = 0;
                for(bitslip=0; bitslip<ERR_DDRPHY_BITSLIP; bitslip++) {
                        /* compute score */
-                       score = read_level_scan(i, bitslip);
-                       read_level(i);
+                       score = read_level_scan(module, bitslip);
+                       read_level(module);
                        printf("\n");
                        if (score > best_score) {
                                best_bitslip = bitslip;
@@ -801,17 +801,17 @@ int sdrlevel(void)
                        if (bitslip == ERR_DDRPHY_BITSLIP-1)
                                break;
                        /* increment bitslip */
-                       read_bitslip_inc(i);
+                       read_bitslip_inc(module);
                }
 
                /* select best read window */
-               printf("best: m%d, b%d ", i, best_bitslip);
-               read_bitslip_rst(i);
-               for (j=0; j<best_bitslip; j++)
-                       read_bitslip_inc(i);
+               printf("best: m%d, b%d ", module, best_bitslip);
+               read_bitslip_rst(module);
+               for (bitslip=0; bitslip<best_bitslip; bitslip++)
+                       read_bitslip_inc(module);
 
                /* re-do leveling on best read window*/
-               read_level(i);
+               read_level(module);
                printf("\n");
        }