6 files changed, 44 insertions, 52 deletions

diff --git a/board/esd/plu405/plu405.c b/board/esd/plu405/plu405.c
index 1841cda0bb..fcffdf67c0 100644
--- a/board/esd/plu405/plu405.c
+++ b/board/esd/plu405/plu405.c
@@ -26,6 +26,7 @@
 #include <asm/io.h>
 #include <command.h>
 #include <malloc.h>
+#include <sja1000.h>
 
 #undef FPGA_DEBUG
 
@@ -198,6 +199,13 @@ int misc_init_r(void)
 	out_8((void *)DUART1_BA + 1, fctr); /* write FCTR */
 	out_8((void *)DUART1_BA + 3, 0);    /* write LCR */
 
+	/*
+	 * Init magnetic couplers
+	 */
+	if (!getenv("noinitcoupler")) {
+		init_coupler(CAN0_BA);
+		init_coupler(CAN1_BA);
+	}
 	return 0;
 }
 
diff --git a/board/esd/vom405/vom405.c b/board/esd/vom405/vom405.c
index fb48022659..de350369c1 100644
--- a/board/esd/vom405/vom405.c
+++ b/board/esd/vom405/vom405.c
@@ -26,11 +26,40 @@
 #include <asm/io.h>
 #include <command.h>
 #include <malloc.h>
+#include <sja1000.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
 extern void lxt971_no_sleep(void);
 
+/*
+ * generate a short spike on the CAN tx line
+ * to bring the couplers in sync
+ */
+void init_coupler(u32 addr)
+{
+	struct sja1000_basic_s *ctrl = (struct sja1000_basic_s *)addr;
+
+	/* reset */
+	out_8(&ctrl->cr, CR_RR);
+
+	/* dominant */
+	out_8(&ctrl->btr0, 0x00); /* btr setup is required */
+	out_8(&ctrl->btr1, 0x14); /* we use 1Mbit/s */
+	out_8(&ctrl->oc, OC_TP1 | OC_TN1 | OC_POL1 |
+	      OC_TP0 | OC_TN0 | OC_POL0 | OC_MODE1);
+	out_8(&ctrl->cr, 0x00);
+
+	/* delay */
+	in_8(&ctrl->cr);
+	in_8(&ctrl->cr);
+	in_8(&ctrl->cr);
+	in_8(&ctrl->cr);
+
+	/* reset */
+	out_8(&ctrl->cr, CR_RR);
+}
+
 int board_early_init_f (void)
 {
 	/*
@@ -77,6 +106,12 @@ int misc_init_r (void)
 	gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
 	gd->bd->bi_flashoffset = 0;
 
+	/*
+	 * Init magnetic coupler
+	 */
+	if (!getenv("noinitcoupler"))
+		init_coupler(CAN_BA);
+
 	return (0);
 }
 
diff --git a/board/freescale/mpc8260ads/mpc8260ads.c b/board/freescale/mpc8260ads/mpc8260ads.c
index 49a88bbdd1..be55626104 100644
--- a/board/freescale/mpc8260ads/mpc8260ads.c
+++ b/board/freescale/mpc8260ads/mpc8260ads.c
@@ -550,24 +550,11 @@ void pci_init_board(void)
 #endif
 
 #if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
-void ft_blob_update(void *blob, bd_t *bd)
-{
-	int ret;
-
-	ret = fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
-
-	if (ret < 0) {
-		printf("ft_blob_update(): cannot set /memory/reg "
-			"property err:%s\n", fdt_strerror(ret));
-	}
-}
-
 void ft_board_setup(void *blob, bd_t *bd)
 {
 	ft_cpu_setup(blob, bd);
 #ifdef CONFIG_PCI
 	ft_pci_setup(blob, bd);
 #endif
-	ft_blob_update(blob, bd);
 }
 #endif
diff --git a/board/ids8247/ids8247.c b/board/ids8247/ids8247.c
index 79fe9da5ba..d621833cc1 100644
--- a/board/ids8247/ids8247.c
+++ b/board/ids8247/ids8247.c
@@ -400,24 +400,8 @@ int board_nand_init(struct nand_chip *nand)
 #endif	/* CONFIG_CMD_NAND */
 
 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
-/*
- * update "memory" property in the blob
- */
-void ft_blob_update(void *blob, bd_t *bd)
-{
-	int ret;
-
-	ret = fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize);
-
-	if (ret < 0) {
-		printf("ft_blob_update(): cannot set /memory/reg "
-			"property err:%s\n", fdt_strerror(ret));
-	}
-}
-
 void ft_board_setup(void *blob, bd_t *bd)
 {
 	ft_cpu_setup( blob, bd);
-	ft_blob_update(blob, bd);
 }
 #endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */
diff --git a/board/keymile/mgcoge/mgcoge.c b/board/keymile/mgcoge/mgcoge.c
index b16a01ccc5..932a80547f 100644
--- a/board/keymile/mgcoge/mgcoge.c
+++ b/board/keymile/mgcoge/mgcoge.c
@@ -312,11 +312,10 @@ int hush_init_var (void)
 
 #if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT)
 /*
- * update "memory" property in the blob
+ * update "flash" property in the blob
  */
 void ft_blob_update (void *blob, bd_t *bd)
 {
-	ulong memory_data[2] = {0};
 	ulong *flash_data = NULL;
 	ulong	flash_reg[6] = {0};
 	flash_info_t	*info;
@@ -324,11 +323,6 @@ void ft_blob_update (void *blob, bd_t *bd)
 	int	size;
 	int	i = 0;
 
-	memory_data[0] = cpu_to_be32 (bd->bi_memstart);
-	memory_data[1] = cpu_to_be32 (bd->bi_memsize);
-	fdt_set_node_and_value (blob, "/memory", "reg", memory_data,
-				sizeof (memory_data));
-
 	len = fdt_get_node_and_value (blob, "/localbus", "ranges",
 					(void *)&flash_data);
 
diff --git a/board/muas3001/muas3001.c b/board/muas3001/muas3001.c
index 36caed813d..e0a7f32fd9 100644
--- a/board/muas3001/muas3001.c
+++ b/board/muas3001/muas3001.c
@@ -308,25 +308,9 @@ int board_early_init_r (void)
 void ft_blob_update (void *blob, bd_t *bd)
 {
 	int ret, nodeoffset = 0;
-	ulong memory_data[2] = {0};
 	ulong flash_data[4] = {0};
 	ulong	speed = 0;
 
-	memory_data[0] = cpu_to_be32 (bd->bi_memstart);
-	memory_data[1] = cpu_to_be32 (bd->bi_memsize);
-
-	nodeoffset = fdt_path_offset (blob, "/memory");
-	if (nodeoffset >= 0) {
-		ret = fdt_setprop (blob, nodeoffset, "reg", memory_data,
-					sizeof(memory_data));
-	if (ret < 0)
-		printf ("ft_blob_update): cannot set /memory/reg "
-			"property err:%s\n", fdt_strerror (ret));
-	} else {
-		/* memory node is required in dts */
-		printf ("ft_blob_update(): cannot find /memory node "
-			"err:%s\n", fdt_strerror(nodeoffset));
-	}
 	/* update Flash addr, size */
 	flash_data[2] = cpu_to_be32 (CONFIG_SYS_FLASH_BASE);
 	flash_data[3] = cpu_to_be32 (CONFIG_SYS_FLASH_SIZE);