mpc83xx: spd_sdram: fix ddr sdram base address assignment bug

The spd_dram code shifts the base address, then masks 20 bits, but
forgets to shift the base address back. Fix this by just masking the
base address correctly.

Found this bug while trying to relocate a DDR memory at the base != 0.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

board/freescale/mpc8313erdb/sdram.c

@@ -64,7 +64,7 @@ static long fixed_sdram(void)
 	volatile immap_t *im = (volatile immap_t *)CFG_IMMR;
 	u32 msize_log2 = __ilog2(msize);
 
-	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE >> 12;
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
 	im->sysconf.ddrcdr = CFG_DDRCDR_VALUE;
 

board/freescale/mpc8315erdb/sdram.c

@@ -60,7 +60,7 @@ static long fixed_sdram(void)
 	u32 msize = CFG_DDR_SIZE * 1024 * 1024;
 	u32 msize_log2 = __ilog2(msize);
 
-	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE >> 12;
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE  & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
 	im->sysconf.ddrcdr = CFG_DDRCDR_VALUE;
 

board/freescale/mpc8349emds/mpc8349emds.c

@@ -109,7 +109,7 @@ int fixed_sdram(void)
 			return -1;
 		}
 	}
-	im->sysconf.ddrlaw[0].bar = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
 
 #if (CFG_DDR_SIZE != 256)

board/freescale/mpc8349itx/mpc8349itx.c

@@ -55,7 +55,7 @@ int fixed_sdram(void)
 
 	im->sysconf.ddrlaw[0].ar =
 	    LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
-	im->sysconf.ddrlaw[0].bar = (CFG_DDR_SDRAM_BASE >> 12) & 0xfffff;
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 
 	/* Only one CS0 for DDR */
 	im->ddr.csbnds[0].csbnds = 0x0000000f;

board/freescale/mpc837xemds/mpc837xemds.c

@@ -108,7 +108,7 @@ int fixed_sdram(void)
 	u32 msize = CFG_DDR_SIZE * 1024 * 1024;
 	u32 msize_log2 = __ilog2(msize);
 
-	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE >> 12;
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
 
 #if (CFG_DDR_SIZE != 512)

board/freescale/mpc837xerdb/mpc837xerdb.c

@@ -96,7 +96,7 @@ int fixed_sdram(void)
 	u32 msize = CFG_DDR_SIZE * 1024 * 1024;
 	u32 msize_log2 = __ilog2(msize);
 
-	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE >> 12;
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LBLAWAR_EN | (msize_log2 - 1);
 
 	im->sysconf.ddrcdr = CFG_DDRCDR_VALUE;

board/matrix_vision/mvblm7/mvblm7.c

@@ -50,7 +50,7 @@ int fixed_sdram(void)
 		if (ddr_size & 1)
 			return -1;
 	}
-	im->sysconf.ddrlaw[0].bar = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) &
 		LAWAR_SIZE);
 

board/sbc8349/sbc8349.c

@@ -101,7 +101,7 @@ int fixed_sdram(void)
 			return -1;
 		}
 	}
-	im->sysconf.ddrlaw[0].bar = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
+	im->sysconf.ddrlaw[0].bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 	im->sysconf.ddrlaw[0].ar = LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE);
 
 #if (CFG_DDR_SIZE != 256)

cpu/mpc83xx/spd_sdram.c

@@ -274,7 +274,7 @@ long int spd_sdram()
 	/*
 	 * Set up LAWBAR for all of DDR.
 	 */
-	ecm->bar = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
+	ecm->bar = CFG_DDR_SDRAM_BASE & 0xfffff000;
 	ecm->ar  = (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & law_size));
 	debug("DDR:bar=0x%08x\n", ecm->bar);
 	debug("DDR:ar=0x%08x\n", ecm->ar);