rcar_gen3: drivers: qos: H3: 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: I4d8926eb3c44c61ec777c05c581ce8247f13daa6
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@ -20,8 +20,6 @@
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static void dbsc_setting(void)
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{
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uint32_t md = 0;
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/* BUFCAM settings */
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/* DBSC_DBCAM0CNF0 not set */
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io_write_32(DBSC_DBCAM0CNF1, 0x00044218);
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@ -32,26 +30,8 @@ static void dbsc_setting(void)
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io_write_32(DBSC_DBSCHSZ0, 0x00000001);
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io_write_32(DBSC_DBSCHRW0, 0x22421111);
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md = (*((volatile uint32_t *)RST_MODEMR) & 0x000A0000) >> 17;
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switch (md) {
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case 0x0:
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/* DDR3200 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123);
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break;
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case 0x1: /* MD19=0,MD17=1 : LPDDR4-3000, 4GByte(1GByte x4) */
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/* DDR2800 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123);
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break;
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case 0x4: /* MD19=1,MD17=0 : LPDDR4-2400, 4GByte(1GByte x4) */
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/* DDR2400 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123);
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break;
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default: /* MD19=1,MD17=1 : LPDDR4-1600, 4GByte(1GByte x4) */
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/* DDR1600 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123);
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break;
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}
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/* DDR3 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123);
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/* QoS Settings */
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io_write_32(DBSC_DBSCHQOS00, 0x0000F000);
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@ -57,8 +57,6 @@
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static void dbsc_setting(void)
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{
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uint32_t md = 0;
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/* Register write enable */
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io_write_32(DBSC_DBSYSCNT0, 0x00001234U);
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@ -70,26 +68,8 @@ static void dbsc_setting(void)
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io_write_32(DBSC_DBSCHSZ0, 0x00000001U);
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io_write_32(DBSC_DBSCHRW0, 0x22421111U);
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md = (*((volatile uint32_t *)RST_MODEMR) & 0x000A0000) >> 17;
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switch (md) {
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case 0x0:
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/* DDR3200 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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case 0x1: /* MD19=0,MD17=1 : LPDDR4-3000, 4GByte(1GByte x4) */
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/* DDR2800 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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case 0x4: /* MD19=1,MD17=0 : LPDDR4-2400, 4GByte(1GByte x4) */
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/* DDR2400 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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default: /* MD19=1,MD17=1 : LPDDR4-1600, 4GByte(1GByte x4) */
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/* DDR1600 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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}
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/* DDR3 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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/* QoS Settings */
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io_write_32(DBSC_DBSCHQOS00, 0x00000F00U);
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@ -57,8 +57,6 @@
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static void dbsc_setting(void)
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{
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uint32_t md = 0;
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/* Register write enable */
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io_write_32(DBSC_DBSYSCNT0, 0x00001234U);
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@ -70,26 +68,8 @@ static void dbsc_setting(void)
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io_write_32(DBSC_DBSCHSZ0, 0x00000001U);
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io_write_32(DBSC_DBSCHRW0, 0x22421111U);
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md = (*((volatile uint32_t *)RST_MODEMR) & 0x000A0000) >> 17;
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switch (md) {
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case 0x0:
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/* DDR3200 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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case 0x1: /* MD19=0,MD17=1 : LPDDR4-3000, 4GByte(1GByte x4) */
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/* DDR2800 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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case 0x4: /* MD19=1,MD17=0 : LPDDR4-2400, 4GByte(1GByte x4) */
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/* DDR2400 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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default: /* MD19=1,MD17=1 : LPDDR4-1600, 4GByte(1GByte x4) */
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/* DDR1600 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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}
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/* DDR3 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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/* QoS Settings */
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io_write_32(DBSC_DBSCHQOS00, 0x00000F00U);
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@ -57,8 +57,6 @@
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static void dbsc_setting(void)
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{
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uint32_t md = 0;
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/* Register write enable */
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io_write_32(DBSC_DBSYSCNT0, 0x00001234U);
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@ -70,26 +68,8 @@ static void dbsc_setting(void)
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io_write_32(DBSC_DBSCHSZ0, 0x00000001U);
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io_write_32(DBSC_DBSCHRW0, 0x22421111U);
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md = (*((volatile uint32_t *)RST_MODEMR) & 0x000A0000) >> 17;
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switch (md) {
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case 0x0:
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/* DDR3200 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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case 0x1: /* MD19=0,MD17=1 : LPDDR4-3000, 4GByte(1GByte x4) */
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/* DDR2800 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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case 0x4: /* MD19=1,MD17=0 : LPDDR4-2400, 4GByte(1GByte x4) */
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/* DDR2400 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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default: /* MD19=1,MD17=1 : LPDDR4-1600, 4GByte(1GByte x4) */
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/* DDR1600 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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break;
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}
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/* DDR3 */
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io_write_32(DBSC_SCFCTST2, 0x012F1123U);
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/* QoS Settings */
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io_write_32(DBSC_DBSCHQOS00, 0x00000F00U);
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