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i2c: IHS I2C master driver

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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>
This commit is contained in:
Dirk Eibach
2014-07-03 09:28:18 +02:00
committed by Tom Rini
parent edfe9fea7c
commit b46226bdb5
6 changed files with 261 additions and 18 deletions
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25
include/gdsys_fpga.h
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@ -43,10 +43,12 @@ struct ihs_gpio {
};
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 @@ struct ihs_fpga {
#endif
#ifdef CONFIG_IO64
struct ihs_fpga_channel {
u16 status_int;
u16 config_int;
@ -121,9 +122,9 @@ struct ihs_fpga {
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 @@ struct ihs_fpga {
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