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bios: remove references to 'DDR' SDRAM, as we also support SDR SDRAM
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sbourdeauducq committed May 23, 2014
1 parent e9b49eb commit dc2024f
Showing 3 changed files with 29 additions and 27 deletions.
20 changes: 10 additions & 10 deletions software/bios/main.c
Original file line number Diff line number Diff line change
@@ -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");
24 changes: 13 additions & 11 deletions software/bios/sdram.c
Original file line number Diff line number Diff line change
@@ -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);
@@ -82,21 +82,22 @@ 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++)
printf("%02x", MMPTR(0xe000108c+4*i));
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);
12 changes: 6 additions & 6 deletions software/bios/sdram.h
Original file line number Diff line number Diff line change
@@ -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 */

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