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-rw-r--r--board/amcc/sequoia/sdram.c21
-rw-r--r--include/ppc440.h16
-rw-r--r--nand_spl/board/amcc/sequoia/Makefile6
3 files changed, 26 insertions, 17 deletions
diff --git a/board/amcc/sequoia/sdram.c b/board/amcc/sequoia/sdram.c
index 77f1438..f8b837e 100644
--- a/board/amcc/sequoia/sdram.c
+++ b/board/amcc/sequoia/sdram.c
@@ -6,7 +6,7 @@
* Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
* Robert Snyder, AMCC/IBM, rob.snyder@fr.ibm.com
*
- * (C) Copyright 2006
+ * (C) Copyright 2006-2007
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* This program is free software; you can redistribute it and/or
@@ -379,16 +379,18 @@ void denali_core_search_data_eye(unsigned long memory_size)
long int initdram (int board_type)
{
#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+ ulong speed = get_bus_freq(0);
+
mtsdram(DDR0_02, 0x00000000);
mtsdram(DDR0_00, 0x0000190A);
mtsdram(DDR0_01, 0x01000000);
mtsdram(DDR0_03, 0x02030602);
- mtsdram(DDR0_04, 0x13030300);
- mtsdram(DDR0_05, 0x0202050E);
- mtsdram(DDR0_06, 0x0104C823);
+ mtsdram(DDR0_04, 0x0A020200);
+ mtsdram(DDR0_05, 0x02020308);
+ mtsdram(DDR0_06, 0x0102C812);
mtsdram(DDR0_07, 0x000D0100);
- mtsdram(DDR0_08, 0x02360001);
+ mtsdram(DDR0_08, 0x02430001);
mtsdram(DDR0_09, 0x00011D5F);
mtsdram(DDR0_10, 0x00000300);
mtsdram(DDR0_11, 0x0027C800);
@@ -402,13 +404,16 @@ long int initdram (int board_type)
mtsdram(DDR0_22, 0x00267F0B);
mtsdram(DDR0_23, 0x00000000);
mtsdram(DDR0_24, 0x01010002);
- mtsdram(DDR0_26, 0x5B260181);
+ if (speed > 133333333)
+ mtsdram(DDR0_26, 0x5B26050C);
+ else
+ mtsdram(DDR0_26, 0x5B260408);
mtsdram(DDR0_27, 0x0000682B);
mtsdram(DDR0_28, 0x00000000);
mtsdram(DDR0_31, 0x00000000);
mtsdram(DDR0_42, 0x01000006);
- mtsdram(DDR0_43, 0x050A0200);
- mtsdram(DDR0_44, 0x00000005);
+ mtsdram(DDR0_43, 0x030A0200);
+ mtsdram(DDR0_44, 0x00000003);
mtsdram(DDR0_02, 0x00000001);
wait_for_dlllock();
diff --git a/include/ppc440.h b/include/ppc440.h
index 1c7f11c..25e338f 100644
--- a/include/ppc440.h
+++ b/include/ppc440.h
@@ -3293,26 +3293,26 @@ typedef struct { unsigned long add; /* gpio core base address */
/*
* Macros for accessing the indirect EBC registers
*/
-#define mtebc(reg, data) { mtdcr(ebccfga,reg);mtdcr(ebccfgd,data); }
-#define mfebc(reg, data) { mtdcr(ebccfga,reg);data = mfdcr(ebccfgd); }
+#define mtebc(reg, data) do { mtdcr(ebccfga,reg);mtdcr(ebccfgd,data); } while (0)
+#define mfebc(reg, data) do { mtdcr(ebccfga,reg);data = mfdcr(ebccfgd); } while (0)
/*
* Macros for accessing the indirect SDRAM controller registers
*/
-#define mtsdram(reg, data) { mtdcr(memcfga,reg);mtdcr(memcfgd,data); }
-#define mfsdram(reg, data) { mtdcr(memcfga,reg);data = mfdcr(memcfgd); }
+#define mtsdram(reg, data) do { mtdcr(memcfga,reg);mtdcr(memcfgd,data); } while (0)
+#define mfsdram(reg, data) do { mtdcr(memcfga,reg);data = mfdcr(memcfgd); } while (0)
/*
* Macros for accessing the indirect clocking controller registers
*/
-#define mtclk(reg, data) { mtdcr(clkcfga,reg);mtdcr(clkcfgd,data); }
-#define mfclk(reg, data) { mtdcr(clkcfga,reg);data = mfdcr(clkcfgd); }
+#define mtclk(reg, data) do { mtdcr(clkcfga,reg);mtdcr(clkcfgd,data); } while (0)
+#define mfclk(reg, data) do { mtdcr(clkcfga,reg);data = mfdcr(clkcfgd); } while (0)
/*
* Macros for accessing the sdr controller registers
*/
-#define mtsdr(reg, data) { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data); }
-#define mfsdr(reg, data) { mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd); }
+#define mtsdr(reg, data) do { mtdcr(sdrcfga,reg);mtdcr(sdrcfgd,data); } while (0)
+#define mfsdr(reg, data) do { mtdcr(sdrcfga,reg);data = mfdcr(sdrcfgd); } while (0)
#ifndef __ASSEMBLY__
diff --git a/nand_spl/board/amcc/sequoia/Makefile b/nand_spl/board/amcc/sequoia/Makefile
index b42da8c..510999d 100644
--- a/nand_spl/board/amcc/sequoia/Makefile
+++ b/nand_spl/board/amcc/sequoia/Makefile
@@ -30,7 +30,7 @@ AFLAGS += -DCONFIG_NAND_SPL
CFLAGS += -DCONFIG_NAND_SPL
SOBJS = start.o init.o resetvec.o
-COBJS = nand_boot.o ndfc.o sdram.o
+COBJS = nand_boot.o ndfc.o sdram.o speed.o
SRCS := $(addprefix $(obj),$(SOBJS:.o=.S) $(COBJS:.o=.c))
OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
@@ -69,6 +69,10 @@ $(obj)start.S:
@rm -f $(obj)start.S
ln -s $(SRCTREE)/cpu/ppc4xx/start.S $(obj)start.S
+$(obj)speed.c:
+ @rm -f $(obj)speed.c
+ ln -s $(SRCTREE)/cpu/ppc4xx/speed.c $(obj)speed.c
+
# from board directory
$(obj)init.S:
@rm -f $(obj)init.S