From 126cb4f54ae2e5956052e54aff8da28f9ca26601 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Fri, 14 Jun 2019 01:58:56 +0200 Subject: [PATCH] rcar_gen3: drivers: qos: M3N: 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 Change-Id: Icd3e12f814d4fdcddaec2d1415f0bbf92169284b --- .../renesas/rcar/qos/M3N/qos_init_m3n_v10.c | 24 ++----------------- 1 file changed, 2 insertions(+), 22 deletions(-) diff --git a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c index cf6d0ad2..2d489f1f 100644 --- a/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c +++ b/drivers/staging/renesas/rcar/qos/M3N/qos_init_m3n_v10.c @@ -56,8 +56,6 @@ static void dbsc_setting(void) { - uint32_t md = 0; - /* Register write enable */ io_write_32(DBSC_DBSYSCNT0, 0x00001234U); @@ -68,26 +66,8 @@ static void dbsc_setting(void) io_write_32(DBSC_DBSCHSZ0, 0x00000001); io_write_32(DBSC_DBSCHRW0, 0x22421111); - md = (*((volatile uint32_t *)RST_MODEMR) & 0x000A0000) >> 17; - - switch (md) { - case 0x0: - /* DDR3200 */ - io_write_32(DBSC_SCFCTST2, 0x012F1123); - break; - case 0x1: /* MD19=0,MD17=1 : LPDDR4-3000, 4GByte(1GByte x4) */ - /* DDR2800 */ - io_write_32(DBSC_SCFCTST2, 0x012F1123); - break; - case 0x4: /* MD19=1,MD17=0 : LPDDR4-2400, 4GByte(1GByte x4) */ - /* DDR2400 */ - io_write_32(DBSC_SCFCTST2, 0x012F1123); - break; - default: /* MD19=1,MD17=1 : LPDDR4-1600, 4GByte(1GByte x4) */ - /* DDR1600 */ - io_write_32(DBSC_SCFCTST2, 0x012F1123); - break; - } + /* DDR3 */ + io_write_32(DBSC_SCFCTST2, 0x012F1123); /* QoS Settings */ io_write_32(DBSC_DBSCHQOS00, 0x00000F00); -- 2.30.2