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* Patch by Steven Scholz, 07 Apr 2005:
Add i2c_reg_write() and i2c_reg_write() for at91rm9200 I2C

* Patch by Steven Scholz, 07 Apr 2005:
Fix compiler warning in altera.c

* Patch by Ladislav Michl, 06 Apr 2005:
Fix voiceblue configuration.

wdenk 20 年之前
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共有 4 个文件被更改,包括 37 次插入15 次删除
  1. 9 0
      CHANGELOG
  2. 1 0
      common/altera.c
  3. 15 0
      cpu/arm920t/at91rm9200/i2c.c
  4. 12 15
      include/configs/voiceblue.h

+ 9 - 0
CHANGELOG

@@ -2,6 +2,15 @@
 Changes for U-Boot 1.1.3:
 ======================================================================
 
+* Patch by Steven Scholz, 07 Apr 2005:
+  Add i2c_reg_write() and i2c_reg_write() for at91rm9200 I2C
+
+* Patch by Steven Scholz, 07 Apr 2005:
+  Fix compiler warning in altera.c
+
+* Patch by Ladislav Michl, 06 Apr 2005:
+  Fix voiceblue configuration.
+
 * Patch by Stefan Roese, 06 Apr 2005:
   Updates for OCOTEA board:
   - Changed U-Boot size from 512kByte to 256kByte

+ 1 - 0
common/altera.c

@@ -158,6 +158,7 @@ int altera_info( Altera_desc *desc )
 				/* Add new family types here */
 			default:
 				/* we don't need a message here - we give one up above */
+				break;
 			}
 		} else {
 			printf ("No Device Function Table.\n");

+ 15 - 0
cpu/arm920t/at91rm9200/i2c.c

@@ -189,4 +189,19 @@ i2c_init(int speed, int slaveaddr)
 	debug ("Found AT91 i2c\n");
 	return;
 }
+
+uchar i2c_reg_read(uchar i2c_addr, uchar reg)
+{
+	char buf;
+
+	i2c_read(i2c_addr, reg, 1, &buf, 1);
+
+	return(buf);
+}
+
+void i2c_reg_write(uchar i2c_addr, uchar reg, uchar val)
+{
+	i2c_write(i2c_addr, reg, 1, &val, 1);
+}
+
 #endif /* CONFIG_HARD_I2C */

+ 12 - 15
include/configs/voiceblue.h

@@ -98,20 +98,17 @@
 #endif
 
 /*
- * Size of malloc() pool
+ * Size of malloc() pool and stack
  */
 #define CFG_GBL_DATA_SIZE	128	/* size in bytes reserved for initial data */
 #ifdef VOICEBLUE_SMALL_FLASH
 #define CFG_MALLOC_LEN		(SZ_64K - CFG_GBL_DATA_SIZE)
+#define CONFIG_STACKSIZE	SZ_8K
 #else
-#define CFG_MALLOC_LEN		(SZ_4M - CFG_GBL_DATA_SIZE)
+#define CFG_MALLOC_LEN		SZ_4M
+#define CONFIG_STACKSIZE	SZ_1M
 #endif
 
-/*
- * The stack size is set up in start.S using the settings below
- */
-#define CONFIG_STACKSIZE	SZ_8K	/* regular stack */
-
 /*
  * Hardware drivers
  */
@@ -163,7 +160,7 @@
 #ifdef VOICEBLUE_SMALL_FLASH
 #define CONFIG_BOOTDELAY	0
 #undef  CONFIG_BOOTARGS		/* the preboot command will set bootargs*/
-#define CFG_AUTOLOAD		"n"	/* No autoload */
+#define CFG_AUTOLOAD		"n"	/* no autoload */
 #define CONFIG_PREBOOT		"run setup"
 #define	CONFIG_EXTRA_ENV_SETTINGS				\
 	"setup=setenv bootargs console=ttyS0,$(baudrate) "	\
@@ -172,8 +169,8 @@
 		"cp.b 10400000 c000000 $(filesize)\0"
 #else
 #define CONFIG_BOOTDELAY	3
-#undef  CONFIG_BOOTARGS		/* the boot command will set bootargs*/
-#define CFG_AUTOLOAD		"n"	/* No autoload */
+#undef  CONFIG_BOOTARGS		/* boot command will set bootargs */
+#define CFG_AUTOLOAD		"n"	/* no autoload */
 #define CONFIG_BOOTCOMMAND	"run nboot"
 #define CONFIG_PREBOOT		"run setup"
 #define	CONFIG_EXTRA_ENV_SETTINGS				\
@@ -188,11 +185,11 @@
 	"fi\0"							\
 	"setup=setenv bootargs console=ttyS0,$baudrate "	\
 		"mtdparts=$mtdparts\0"				\
-	"nfsargs=setenv bootargs $bootargs "			\
-		"root=/dev/nfs ip=dhcp; run setpart\0"			\
-	"flashargs=setenv bootargs $bootargs "			\
-		"root=/dev/mtdblock$partition "			\
-		"rootfstype=jffs2; run setpart\0"				\
+	"nfsargs=run setpart; setenv bootargs $bootargs "	\
+		"root=/dev/nfs ip=dhcp\0"			\
+	"flashargs=run setpart; setenv bootargs $bootargs "	\
+		"root=/dev/mtdblock$partition ro "		\
+		"rootfstype=jffs2\0"				\
 	"nboot=run nfsargs; bootp; tftp; bootm\0"		\
 	"fboot=run flashargs; fsload /boot/uImage; bootm\0"
 #endif