brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-10-01 17:10:42 +09:00
Code Issues Projects Releases Wiki Activity

board: ti: am43xx: take care of all OPPs

Browse Source 
Make sure that all OPPs are checked on
scale_vcores(). While at that also fix 600MHz
VDD_MPU voltage according to AM437x Data Manual
available at [1].

Table 5-3 on that document, lists all valid
voltages per frequency.

[1] http://www.ti.com/lit/ds/symlink/am4379.pdf

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2014-12-22 16:26:15 -06:00 committed by Tom Rini
parent 8465d6a71a
commit d5c082a32d
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
board/ti/am43xx/board.c
View File

@ -385,9 +385,18 @@ void scale_vcores(void)
case 1000:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1330MV;
break;
case 800:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1260MV;
break;
case 720:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1200MV;
break;
case 600:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_1100MV;
break;
case 300:
mpu_vdd = TPS65218_DCDC_VOLT_SEL_0950MV;
break;
default:
puts("Unknown MPU clock, not scaling\n");
return;