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ec/lenovo/pmh7: Dump revision and ID 

Dump PMH7 revision and ID for diagnostic purposes.

Tested on Lenovo T430: PMH7: ID 05 Revision 12

Change-Id: I60d15a8f740aeb974a79b27507e974a730cec174
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/20807
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>
This commit is contained in:
Patrick Rudolph 2017-07-28 17:34:49 +02:00
parent 5661945c3b
commit 3b0f5426af
2 changed files with 7 additions and 0 deletions
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4
src/ec/lenovo/pmh7/pmh7.c
View File

@ -121,6 +121,10 @@ static void enable_dev(struct device *dev)
if (get_option(&val, "trackpoint") != CB_SUCCESS)
val = 1;
pmh7_trackpoint_enable(val);
printk(BIOS_INFO, "PMH7: ID %02x Revision %02x\n",
pmh7_register_read(EC_LENOVO_PMH7_REG_ID),
pmh7_register_read(EC_LENOVO_PMH7_REG_REV));
}
struct chip_operations ec_lenovo_pmh7_ops = {

3
src/ec/lenovo/pmh7/pmh7.h
View File

@ -22,6 +22,9 @@
#define EC_LENOVO_PMH7_ADDR (EC_LENOVO_PMH7_BASE + 0x0c)
#define EC_LENOVO_PMH7_DATA (EC_LENOVO_PMH7_BASE + 0x0e)
#define EC_LENOVO_PMH7_REG_ID 0xc2
#define EC_LENOVO_PMH7_REG_REV 0xc3
void pmh7_register_set_bit(int reg, int bit);
void pmh7_register_clear_bit(int reg, int bit);
char pmh7_register_read(int reg);