i2c: IHS I2C master driver
IHS I2C master support was merely a hack in the osd driver.
Now it is a proper u-boot I2C framework driver, supporting the
v2.00 master features.
Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
diff --git a/include/configs/dlvision-10g.h b/include/configs/dlvision-10g.h
index 7877897..05a97bf 100644
--- a/include/configs/dlvision-10g.h
+++ b/include/configs/dlvision-10g.h
@@ -99,7 +99,18 @@
*/
#define CONFIG_SYS_I2C_PPC4XX_SPEED_0 100000
+#define CONFIG_SYS_I2C_IHS
+#define CONFIG_SYS_I2C_IHS_CH0
+#define CONFIG_SYS_I2C_IHS_SPEED_0 50000
+#define CONFIG_SYS_I2C_IHS_SLAVE_0 0x7F
+#define CONFIG_SYS_I2C_IHS_CH1
+#define CONFIG_SYS_I2C_IHS_SPEED_1 50000
+#define CONFIG_SYS_I2C_IHS_SLAVE_1 0x7F
+
+#define CONFIG_SYS_SPD_BUS_NUM 2
+
/* Temp sensor/hwmon/dtt */
+#define CONFIG_SYS_DTT_BUS_NUM 2
#define CONFIG_DTT_LM63 1 /* National LM63 */
#define CONFIG_DTT_SENSORS { 0x4c, 0x4e, 0x18 } /* Sensor addresses */
#define CONFIG_DTT_PWM_LOOKUPTABLE \
diff --git a/include/configs/iocon.h b/include/configs/iocon.h
index 5636f38..36b4b55 100644
--- a/include/configs/iocon.h
+++ b/include/configs/iocon.h
@@ -99,12 +99,27 @@
#define CONFIG_SYS_I2C_PPC4XX_CH0
#define CONFIG_SYS_I2C_PPC4XX_SPEED_0 400000
#define CONFIG_SYS_I2C_PPC4XX_SLAVE_0 0x7F
+#define CONFIG_SYS_I2C_IHS
#define CONFIG_SYS_I2C_SPEED 400000
+#define CONFIG_SYS_SPD_BUS_NUM 4
#define CONFIG_PCA953X /* NXP PCA9554 */
#define CONFIG_PCA9698 /* NXP PCA9698 */
+#define CONFIG_SYS_I2C_IHS_CH0
+#define CONFIG_SYS_I2C_IHS_SPEED_0 50000
+#define CONFIG_SYS_I2C_IHS_SLAVE_0 0x7F
+#define CONFIG_SYS_I2C_IHS_CH1
+#define CONFIG_SYS_I2C_IHS_SPEED_1 50000
+#define CONFIG_SYS_I2C_IHS_SLAVE_1 0x7F
+#define CONFIG_SYS_I2C_IHS_CH2
+#define CONFIG_SYS_I2C_IHS_SPEED_2 50000
+#define CONFIG_SYS_I2C_IHS_SLAVE_2 0x7F
+#define CONFIG_SYS_I2C_IHS_CH3
+#define CONFIG_SYS_I2C_IHS_SPEED_3 50000
+#define CONFIG_SYS_I2C_IHS_SLAVE_3 0x7F
+
/*
* Software (bit-bang) I2C driver configuration
*/
@@ -121,9 +136,9 @@
#define CONFIG_SYS_I2C_SOFT_SPEED_4 50000
#define CONFIG_SYS_I2C_SOFT_SLAVE_4 0x7F
-#define CONFIG_SYS_ICS8N3QV01_I2C {1, 2, 3, 4}
-#define CONFIG_SYS_CH7301_I2C {1, 2, 3, 4}
-#define CONFIG_SYS_DP501_I2C {1, 2, 3, 4}
+#define CONFIG_SYS_ICS8N3QV01_I2C {5, 6, 7, 8}
+#define CONFIG_SYS_CH7301_I2C {5, 6, 7, 8}
+#define CONFIG_SYS_DP501_I2C {0, 1, 2, 3}
#ifndef __ASSEMBLY__
void fpga_gpio_set(unsigned int bus, int pin);
@@ -148,8 +163,6 @@
fpga_gpio_set(I2C_ADAP_HWNR, 0x0020); \
else \
fpga_gpio_clear(I2C_ADAP_HWNR, 0x0020); \
- while (!!fpga_gpio_get(I2C_ADAP_HWNR, 0x0020) != !!bit) \
- ; \
} while (0)
#define I2C_DELAY udelay(25) /* 1/4 I2C clock duration */
diff --git a/include/gdsys_fpga.h b/include/gdsys_fpga.h
index 85ddbcb..276a01e 100644
--- a/include/gdsys_fpga.h
+++ b/include/gdsys_fpga.h
@@ -43,10 +43,12 @@
};
struct ihs_i2c {
- u16 write_mailbox;
+ u16 interrupt_status;
+ u16 interrupt_enable;
u16 write_mailbox_ext;
- u16 read_mailbox;
+ u16 write_mailbox;
u16 read_mailbox_ext;
+ u16 read_mailbox;
};
struct ihs_osd {
@@ -84,7 +86,6 @@
#endif
#ifdef CONFIG_IO64
-
struct ihs_fpga_channel {
u16 status_int;
u16 config_int;
@@ -121,9 +122,9 @@
u16 reserved_0[6]; /* 0x0008 */
struct ihs_gpio gpio; /* 0x0014 */
u16 mpc3w_control; /* 0x001a */
- u16 reserved_1[19]; /* 0x001c */
- u16 videocontrol; /* 0x0042 */
- u16 reserved_2[14]; /* 0x0044 */
+ u16 reserved_1[18]; /* 0x001c */
+ struct ihs_i2c i2c; /* 0x0040 */
+ u16 reserved_2[10]; /* 0x004c */
u16 mc_int; /* 0x0060 */
u16 mc_int_en; /* 0x0062 */
u16 mc_status; /* 0x0064 */
@@ -150,15 +151,13 @@
u16 fpga_features; /* 0x0006 */
u16 reserved_0[10]; /* 0x0008 */
u16 extended_interrupt; /* 0x001c */
- u16 reserved_1[9]; /* 0x001e */
- struct ihs_i2c i2c; /* 0x0030 */
- u16 reserved_2[16]; /* 0x0038 */
+ u16 reserved_1[29]; /* 0x001e */
u16 mpc3w_control; /* 0x0058 */
- u16 reserved_3[34]; /* 0x005a */
- u16 videocontrol; /* 0x009e */
- u16 reserved_4[176]; /* 0x00a0 */
+ u16 reserved_2[3]; /* 0x005a */
+ struct ihs_i2c i2c; /* 0x0060 */
+ u16 reserved_3[205]; /* 0x0066 */
struct ihs_osd osd; /* 0x0200 */
- u16 reserved_5[761]; /* 0x020e */
+ u16 reserved_4[761]; /* 0x020e */
u16 videomem[31736]; /* 0x0800 */
};
#endif