40x_spd_sdram.c: Fix GCC 4.6 build warnings
Fix:
40x_spd_sdram.c: In function 'spd_sdram':
40x_spd_sdram.c:137:6: warning: variable 'sdram0_b3cr' set but not used [-Wunused-but-set-variable]
40x_spd_sdram.c:136:6: warning: variable 'sdram0_b2cr' set but not used [-Wunused-but-set-variable]
40x_spd_sdram.c:129:6: warning: variable 'sdram0_ecccfg' set but not used [-Wunused-but-set-variable]
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
index a31b17e..48aa753 100644
--- a/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
+++ b/arch/powerpc/cpu/ppc4xx/40x_spd_sdram.c
@@ -116,26 +116,25 @@
{
int tmp,row,col;
int total_size,bank_size,bank_code;
- int ecc_on;
int mode;
int bank_cnt;
int sdram0_pmit=0x07c00000;
+ int sdram0_b0cr;
+ int sdram0_b1cr = 0;
#ifndef CONFIG_405EP /* not on PPC405EP */
+ int sdram0_b2cr = 0;
+ int sdram0_b3cr = 0;
int sdram0_besr0 = -1;
int sdram0_besr1 = -1;
int sdram0_eccesr = -1;
-#endif
int sdram0_ecccfg;
+ int ecc_on;
+#endif
int sdram0_rtr=0;
int sdram0_tr=0;
- int sdram0_b0cr;
- int sdram0_b1cr;
- int sdram0_b2cr;
- int sdram0_b3cr;
-
int sdram0_cfg=0;
int t_rp;
@@ -295,6 +294,7 @@
if (bank_cnt > 4) /* we only have 4 banks to work with */
SPD_ERR("SDRAM - unsupported module rows for this width\n");
+#ifndef CONFIG_405EP /* not on PPC405EP */
/* now check for ECC ability of module. We only support ECC
* on 32 bit wide devices with 8 bit ECC.
*/
@@ -305,6 +305,7 @@
sdram0_ecccfg = 0;
ecc_on = 0;
}
+#endif
/*------------------------------------------------------------------
* calculate total size
@@ -378,9 +379,6 @@
* using the calculated values, compute the bank
* config register values.
* -------------------------------------------------------------------*/
- sdram0_b1cr = 0;
- sdram0_b2cr = 0;
- sdram0_b3cr = 0;
/* compute the size of each bank */
bank_size = total_size / bank_cnt;
@@ -444,8 +442,10 @@
/* SDRAM have a power on delay, 500 micro should do */
udelay(500);
sdram0_cfg = SDRAM0_CFG_DCE | SDRAM0_CFG_BRPF(1) | SDRAM0_CFG_ECCDD | SDRAM0_CFG_EMDULR;
+#ifndef CONFIG_405EP /* not on PPC405EP */
if (ecc_on)
sdram0_cfg |= SDRAM0_CFG_MEMCHK;
+#endif
mtsdram(SDRAM0_CFG, sdram0_cfg);
return (total_size);