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[ig4] add ACPI Device HID for AMD platforms

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Added ACPI Device HID AMDI0010 for the designware I2C controllers in
future AMD platforms. Also, when verifying component version check for
minimal value instead of exact match.

PR:		230641
Submitted by:	Rajesh <rajfbsd@gmail.com>
Reviewed by:	cem, gonzo
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D16670
This commit is contained in:
Oleksandr Tymoshenko 2018-08-20 18:50:56 +00:00
parent 951de5548b
commit 5747fe4fb9
3 changed files with 3 additions and 4 deletions
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1
sys/dev/ichiic/ig4_acpi.c
View File

@ -60,6 +60,7 @@ static char *ig4iic_ids[] = {
"80860F41",
"808622C1",
"AMDI0510",
"AMDI0010",
"APMC0D0F",
NULL
};

2
sys/dev/ichiic/ig4_iic.c
View File

@ -563,7 +563,7 @@ ig4iic_attach(ig4iic_softc_t *sc)
if (sc->version == IG4_HASWELL || sc->version == IG4_ATOM) {
v = reg_read(sc, IG4_REG_COMP_VER);
if (v != IG4_COMP_VER) {
if (v < IG4_COMP_MIN_VER) {
error = ENXIO;
goto done;
}

4
sys/dev/ichiic/ig4_reg.h
View File

@ -73,7 +73,6 @@
* SDA_HOLD 0x00000001
* SDA_SETUP 0x00000064
* COMP_PARAM1 0x00FFFF6E
* COMP_VER 0x3131352A
*/
#define IG4_REG_CTL 0x0000 /* RW Control Register */
@ -552,11 +551,10 @@
/*
* COMP_VER - (RO) Component Version Register 22.2.36
* Default Value 0x3131352A
*
* Contains the chip version number. All 32 bits.
*/
#define IG4_COMP_VER 0x3131352A
#define IG4_COMP_MIN_VER 0x3131352A
/*
* COMP_TYPE - (RO) (linux) Endian and bus width probe