software/bios: display SDRAM databits and freq.

diff --git a/litex/soc/software/bios/main.c b/litex/soc/software/bios/main.c
index b1c57e93fb7c21731d2ae097236a6c3aad42c45b..28a893b9b8cdf82b29bfbe432a3e547a385d9978 100644 (file)
--- a/litex/soc/software/bios/main.c
+++ b/litex/soc/software/bios/main.c
@@ -100,22 +100,29 @@ int main(int i, char **c)
        printf(" LiteX git sha1: "LITEX_GIT_SHA1"\n");
        printf("\n");
        printf("--=============== \e[1mSoC\e[0m ==================--\n");
-       printf("\e[1mCPU\e[0m:       %s @ %dMHz\n",
+       printf("\e[1mCPU\e[0m:\t\t%s @ %dMHz\n",
                CONFIG_CPU_HUMAN_NAME,
                CONFIG_CLOCK_FREQUENCY/1000000);
-       printf("\e[1mBUS\e[0m:       %s %d-bit @ %dGiB\n",
+       printf("\e[1mBUS\e[0m:\t\t%s %d-bit @ %dGiB\n",
                CONFIG_BUS_STANDARD,
                CONFIG_BUS_DATA_WIDTH,
                (1 << (CONFIG_BUS_ADDRESS_WIDTH - 30)));
-       printf("\e[1mCSR\e[0m:       %d-bit data\n",
+       printf("\e[1mCSR\e[0m:\t\t%d-bit data\n",
                CONFIG_CSR_DATA_WIDTH);
-       printf("\e[1mROM\e[0m:       %dKiB\n", ROM_SIZE/1024);
-       printf("\e[1mSRAM\e[0m:      %dKiB\n", SRAM_SIZE/1024);
+       printf("\e[1mROM\e[0m:\t\t%dKiB\n", ROM_SIZE/1024);
+       printf("\e[1mSRAM\e[0m:\t\t%dKiB\n", SRAM_SIZE/1024);
 #ifdef CONFIG_L2_SIZE
-       printf("\e[1mL2\e[0m:        %dKiB\n", CONFIG_L2_SIZE/1024);
+       printf("\e[1mL2\e[0m:\t\t%dKiB\n", CONFIG_L2_SIZE/1024);
 #endif
 #ifdef MAIN_RAM_SIZE
-       printf("\e[1mMAIN-RAM\e[0m:  %dKiB\n", MAIN_RAM_SIZE/1024);
+#ifdef CSR_SDRAM_BASE
+       printf("\e[1mSDRAM\e[0m:\t\t%dKiB %d-bit @ %dMHz\n",
+               MAIN_RAM_SIZE/1024,
+               sdrdatabits(),
+               sdrfreq()/1000000);
+#else
+       printf("\e[1mMAIN-RAM\e[0m:\t%dKiB \n", MAIN_RAM_SIZE/1024);
+#endif
 #endif
        printf("\n");
 

diff --git a/litex/soc/software/liblitedram/sdram.c b/litex/soc/software/liblitedram/sdram.c
index 0970a4c9a5adf69a476823cb383b8e668fc0b334..7946a9d16f82afc5eb65e5c4ed2c5dc151f931ba 100644 (file)
--- a/litex/soc/software/liblitedram/sdram.c
+++ b/litex/soc/software/liblitedram/sdram.c
@@ -42,6 +42,14 @@ __attribute__((unused)) static void cdelay(int i)
 
 #define DFII_PIX_DATA_BYTES DFII_PIX_DATA_SIZE*CSR_DATA_BYTES
 
+int sdrdatabits(void) {
+       return SDRAM_PHY_DATABITS;
+}
+
+int sdrfreq(void) {
+       return SDRAM_PHY_XDR*SDRAM_PHY_PHASES*CONFIG_CLOCK_FREQUENCY;
+}
+
 void sdrsw(void)
 {
        sdram_dfii_control_write(DFII_CONTROL_CKE|DFII_CONTROL_ODT|DFII_CONTROL_RESET_N);

diff --git a/litex/soc/software/liblitedram/sdram.h b/litex/soc/software/liblitedram/sdram.h
index 087d01013482be3fe24ec8aed1222d144cf04dcd..dbde558fa6eddbb8dc88c72b1240a9698514928d 100644 (file)
--- a/litex/soc/software/liblitedram/sdram.h
+++ b/litex/soc/software/liblitedram/sdram.h
@@ -3,6 +3,9 @@
 
 #include <generated/csr.h>
 
+int sdrdatabits(void);
+int sdrfreq(void);
+
 void sdrsw(void);
 void sdrhw(void);
 void sdrrow(unsigned int row);