andrius
/
arm-trusted-firmware
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

rcar_gen3: drivers: qos: D3: Drop MD pin check 

The DBSC_SCFCTST2 is always written with the same value, no matter
what the MD pin value is, drop the entire check and just write the
register with the one and only possible value.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Change-Id: I44d48ad59293562539a0c1d8ffd66333714e041e
This commit is contained in:
Marek Vasut 2019-06-14 00:54:01 +02:00
parent 37a1f24287
commit 377ccb7fb5
1 changed files with 2 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/staging/renesas/rcar/qos/D3/qos_init_d3.c
View File

@ -18,8 +18,6 @@
static void dbsc_setting(void)
{
uint32_t md=0;
/* Register write enable */
io_write_32(DBSC_DBSYSCNT0, 0x00001234U);
@ -30,18 +28,8 @@ static void dbsc_setting(void)
io_write_32(DBSC_DBSCHSZ0, 0x00000001);
io_write_32(DBSC_DBSCHRW0, 0x22421111);
md = (*((volatile uint32_t*)RST_MODEMR) & 0x00080000) >> 19;
switch (md) {
case 0x0: //MD19=0 : DDR3L-1600, 4GByte(1GByte x4)
/* DDR1600 */
io_write_32(DBSC_SCFCTST2, 0x012F1123);
break;
default: //MD19=1 : DDR3L-1856, 4GByte(1GByte x4)
/* DDR1856 */
io_write_32(DBSC_SCFCTST2, 0x012F1123);
break;
}
/* DDR3 */
io_write_32(DBSC_SCFCTST2, 0x012F1123);
/* QoS Settings */
io_write_32(DBSC_DBSCHQOS00, 0x00000F00);