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authorLuotao Fu <l.fu@pengutronix.de>2007-11-14 18:58:33 +0100
committerWolfgang Denk <wd@denx.de>2007-11-17 01:55:57 +0100
commitfd329e6f05bbdfe6bd71b0e09f0c76d3b0a025a5 (patch)
tree9a27e8a3db2f2f0e7a74e170d81b2344b94b77a8
parent429c180edad038f91c989cb14b478228092e7054 (diff)
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Fix the i2c frequency and default address in rsdproto board
rsdproto board support has wrong I2C frequency and wrong return value handling. Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
-rw-r--r--board/rsdproto/rsdproto.c4
-rw-r--r--include/configs/rsdproto.h4
2 files changed, 4 insertions, 4 deletions
diff --git a/board/rsdproto/rsdproto.c b/board/rsdproto/rsdproto.c
index bf4fd53..312d4b8 100644
--- a/board/rsdproto/rsdproto.c
+++ b/board/rsdproto/rsdproto.c
@@ -210,7 +210,7 @@ void read_RS5C372_time (struct tm *timedate)
#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
- if (i2c_read (RS5C372_PPC_I2C_ADR, 0, 1, buffer, sizeof (buffer))) {
+ if (! i2c_read (RS5C372_PPC_I2C_ADR, 0, 1, buffer, sizeof (buffer))) {
timedate->tm_sec = BCD_TO_BIN (buffer[0]);
timedate->tm_min = BCD_TO_BIN (buffer[1]);
timedate->tm_hour = BCD_TO_BIN (buffer[2]);
@@ -231,7 +231,7 @@ int read_LM84_temp (int address)
unsigned char buffer[8];
/*int rc;*/
- if (i2c_read (address, 0, 1, buffer, 1)) {
+ if (! i2c_read (address, 0, 1, buffer, 1)) {
return (int) buffer[0];
} else {
/*printf("i2c error %02x\n", rc); */
diff --git a/include/configs/rsdproto.h b/include/configs/rsdproto.h
index 814082c..40a05fa 100644
--- a/include/configs/rsdproto.h
+++ b/include/configs/rsdproto.h
@@ -92,8 +92,8 @@
/* enable I2C */
#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
-#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
-#define CFG_I2C_SLAVE 0x7F
+#define CFG_I2C_SPEED 50000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE 0x30
/* system clock rate (CLKIN) - equal to the 60x and local bus speed */