From: Sebastien Bourdeauducq <sb@m-labs.hk>
Date: Fri, 23 May 2014 19:31:26 +0000 (+0200)
Subject: bios: remove references to 'DDR' SDRAM, as we also support SDR SDRAM
X-Git-Tag: 24jan2021_ls180~2709
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=dc2024f54d7709dcc6ee7c385e804541dba1cde6;p=litex.git

bios: remove references to 'DDR' SDRAM, as we also support SDR SDRAM
---

diff --git a/software/bios/main.c b/software/bios/main.c
index 7bd0d085..01c2e0ec 100644
--- a/software/bios/main.c
+++ b/software/bios/main.c
@@ -375,13 +375,13 @@ static void do_command(char *c)
 #endif
 	
 #ifdef DFII_BASE
-	else if(strcmp(token, "ddrrow") == 0) ddrrow(get_token(&c));
-	else if(strcmp(token, "ddrsw") == 0) ddrsw();
-	else if(strcmp(token, "ddrhw") == 0) ddrhw();
-	else if(strcmp(token, "ddrrd") == 0) ddrrd(get_token(&c));
-	else if(strcmp(token, "ddrwr") == 0) ddrwr(get_token(&c));
+	else if(strcmp(token, "sdrrow") == 0) sdrrow(get_token(&c));
+	else if(strcmp(token, "sdrsw") == 0) sdrsw();
+	else if(strcmp(token, "sdrhw") == 0) sdrhw();
+	else if(strcmp(token, "sdrrd") == 0) sdrrd(get_token(&c));
+	else if(strcmp(token, "sdrwr") == 0) sdrwr(get_token(&c));
 	else if(strcmp(token, "memtest") == 0) memtest();
-	else if(strcmp(token, "ddrinit") == 0) ddrinit();
+	else if(strcmp(token, "sdrinit") == 0) sdrinit();
 #endif
 	
 	else if(strcmp(token, "dfs") == 0) dfs(get_token(&c));
@@ -505,7 +505,7 @@ static void boot_sequence(void)
 int main(int i, char **c)
 {
 	char buffer[64];
-	int ddr_ok;
+	int sdr_ok;
 
 	irq_setmask(0);
 	irq_setie(1);
@@ -519,11 +519,11 @@ int main(int i, char **c)
 	ethreset();
 #endif
 #ifdef DFII_BASE
-	ddr_ok = ddrinit();
+	sdr_ok = sdrinit();
 #else
-	ddr_ok = 1;
+	sdr_ok = 1;
 #endif
-	if(ddr_ok)
+	if(sdr_ok)
 		boot_sequence();
 	else
 		printf("Memory initialization failed\n");
diff --git a/software/bios/sdram.c b/software/bios/sdram.c
index afa72864..1f862a63 100644
--- a/software/bios/sdram.c
+++ b/software/bios/sdram.c
@@ -24,19 +24,19 @@ static void cdelay(int i)
 	}
 }
 
-void ddrsw(void)
+void sdrsw(void)
 {
 	dfii_control_write(DFII_CONTROL_CKE);
-	printf("DDR now under software control\n");
+	printf("SDRAM now under software control\n");
 }
 
-void ddrhw(void)
+void sdrhw(void)
 {
 	dfii_control_write(DFII_CONTROL_SEL|DFII_CONTROL_CKE);
-	printf("DDR now under hardware control\n");
+	printf("SDRAM now under hardware control\n");
 }
 
-void ddrrow(char *_row)
+void sdrrow(char *_row)
 {
 	char *c;
 	unsigned int row;
@@ -61,14 +61,14 @@ void ddrrow(char *_row)
 	}
 }
 
-void ddrrd(char *startaddr)
+void sdrrd(char *startaddr)
 {
 	char *c;
 	unsigned int addr;
 	int i;
 
 	if(*startaddr == 0) {
-		printf("ddrrd <address>\n");
+		printf("sdrrd <address>\n");
 		return;
 	}
 	addr = strtoul(startaddr, &c, 0);
@@ -82,6 +82,7 @@ void ddrrd(char *startaddr)
 	command_prd(DFII_COMMAND_CAS|DFII_COMMAND_CS|DFII_COMMAND_RDDATA);
 	cdelay(15);
 	
+	// FIXME
 	for(i=0;i<8;i++)
 		printf("%02x", MMPTR(0xe0001038+4*i));
 	for(i=0;i<8;i++)
@@ -89,14 +90,14 @@ void ddrrd(char *startaddr)
 	printf("\n");
 }
 
-void ddrwr(char *startaddr)
+void sdrwr(char *startaddr)
 {
 	char *c;
 	unsigned int addr;
 	int i;
 
 	if(*startaddr == 0) {
-		printf("ddrrd <address>\n");
+		printf("sdrrd <address>\n");
 		return;
 	}
 	addr = strtoul(startaddr, &c, 0);
@@ -105,6 +106,7 @@ void ddrwr(char *startaddr)
 		return;
 	}
 	
+	// FIXME
 	for(i=0;i<8;i++) {
 		MMPTR(0xe0001018+4*i) = i;
 		MMPTR(0xe000106c+4*i) = 0xf0 + i;
@@ -154,9 +156,9 @@ int memtest(void)
 	}
 }
 
-int ddrinit(void)
+int sdrinit(void)
 {
-	printf("Initializing DDR SDRAM...\n");
+	printf("Initializing SDRAM...\n");
 	
 	init_sequence();
 	dfii_control_write(DFII_CONTROL_SEL|DFII_CONTROL_CKE);
diff --git a/software/bios/sdram.h b/software/bios/sdram.h
index e32df186..e2fa919f 100644
--- a/software/bios/sdram.h
+++ b/software/bios/sdram.h
@@ -1,13 +1,13 @@
 #ifndef __SDRAM_H
 #define __SDRAM_H
 
-void ddrsw(void);
-void ddrhw(void);
-void ddrrow(char *_row);
-void ddrrd(char *startaddr);
-void ddrwr(char *startaddr);
+void sdrsw(void);
+void sdrhw(void);
+void sdrrow(char *_row);
+void sdrrd(char *startaddr);
+void sdrwr(char *startaddr);
 int memtest_silent(void);
 int memtest(void);
-int ddrinit(void);
+int sdrinit(void);
 
 #endif /* __SDRAM_H */