diff options
| -rw-r--r-- | src/mainboard/dell/optiplex_9010/sch5545_ec.c | 44 |
1 files changed, 24 insertions, 20 deletions
diff --git a/src/mainboard/dell/optiplex_9010/sch5545_ec.c b/src/mainboard/dell/optiplex_9010/sch5545_ec.c index fa78a98b73..9aa0038cc3 100644 --- a/src/mainboard/dell/optiplex_9010/sch5545_ec.c +++ b/src/mainboard/dell/optiplex_9010/sch5545_ec.c @@ -548,17 +548,17 @@ static uint8_t get_chassis_type(void) switch (chassis_id) { case 0x0: case 0x4: - return 5; + return 5; /* MT */ case 0x8: - return 4; + return 4; /* DT */ case 0x3: case 0xb: - return 3; + return 3; /* USFF */ case 0x1: case 0x9: case 0x5: case 0xd: - return 6; + return 6; /* SFF */ default: printk(BIOS_DEBUG, "Unknown chassis ID %x\n", chassis_id); break; @@ -640,7 +640,7 @@ void sch5545_ec_hwm_init(void *unused) ec_hwm_init_late(ec_hwm_chassis4, ARRAY_SIZE(ec_hwm_chassis4)); break; case 5: - ec_hwm_init_late(ec_hwm_chassis6, ARRAY_SIZE(ec_hwm_chassis5)); + ec_hwm_init_late(ec_hwm_chassis5, ARRAY_SIZE(ec_hwm_chassis5)); break; case 6: ec_hwm_init_late(ec_hwm_chassis6, ARRAY_SIZE(ec_hwm_chassis6)); @@ -673,21 +673,25 @@ void sch5545_ec_hwm_init(void *unused) ec_read_write_reg(EC_HWM_LDN, 0x00b8, &val, READ_OP); if (chassis_type == 4 || chassis_type == 5) { - ec_read_write_reg(EC_HWM_LDN, 0x00a0, &val, READ_OP); - val &= 0xfb; - ec_read_write_reg(EC_HWM_LDN, 0x00a0, &val, WRITE_OP); - ec_read_write_reg(EC_HWM_LDN, 0x00a1, &val, READ_OP); - val &= 0xfb; - ec_read_write_reg(EC_HWM_LDN, 0x00a1, &val, WRITE_OP); - ec_read_write_reg(EC_HWM_LDN, 0x00a2, &val, READ_OP); - val &= 0xfb; - ec_read_write_reg(EC_HWM_LDN, 0x00a2, &val, WRITE_OP); - val = 0x99; - ec_read_write_reg(EC_HWM_LDN, 0x008a, &val, WRITE_OP); - val = 0x47; - ec_read_write_reg(EC_HWM_LDN, 0x008b, &val, WRITE_OP); - val = 0x91; - ec_read_write_reg(EC_HWM_LDN, 0x008c, &val, WRITE_OP); + ec_read_write_reg(EC_HWM_LDN, 0x0027, &val, READ_OP); + if (val == 0) { + printk(BIOS_INFO, "Applying HWM fix-up for MT/DT chassis\n"); + ec_read_write_reg(EC_HWM_LDN, 0x00a0, &val, READ_OP); + val &= 0xfb; + ec_read_write_reg(EC_HWM_LDN, 0x00a0, &val, WRITE_OP); + ec_read_write_reg(EC_HWM_LDN, 0x00a1, &val, READ_OP); + val &= 0xfb; + ec_read_write_reg(EC_HWM_LDN, 0x00a1, &val, WRITE_OP); + ec_read_write_reg(EC_HWM_LDN, 0x00a2, &val, READ_OP); + val &= 0xfb; + ec_read_write_reg(EC_HWM_LDN, 0x00a2, &val, WRITE_OP); + val = 0x99; + ec_read_write_reg(EC_HWM_LDN, 0x008a, &val, WRITE_OP); + val = 0x47; + ec_read_write_reg(EC_HWM_LDN, 0x008b, &val, WRITE_OP); + val = 0x91; + ec_read_write_reg(EC_HWM_LDN, 0x008c, &val, WRITE_OP); + } } ec_read_write_reg(EC_HWM_LDN, 0x0049, &val, READ_OP); |