From fd329e6f05bbdfe6bd71b0e09f0c76d3b0a025a5 Mon Sep 17 00:00:00 2001
From: Luotao Fu <l.fu@pengutronix.de>
Date: Wed, 14 Nov 2007 18:58:33 +0100
Subject: [PATCH] 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>
---
board/rsdproto/rsdproto.c | 4 ++--
include/configs/rsdproto.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/board/rsdproto/rsdproto.c b/board/rsdproto/rsdproto.c
index bf4fd5305f9..312d4b8605d 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 814082ccc63..40a05fa5e89 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 */
--
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