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liugang-gavinArto Kinnunen
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Arto Kinnunen
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targets:evkbimxrt1050: Adjust the SEMC re-order rules
Update the BMCR0, BMCR1 registers to adjust the SEMC re-order rules. This can improve the SDRAM stability under multiple AXI masters system. Signed-off-by: Gavin Liu <gang.liu@nxp.com>
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targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/xip/evkbimxrt1050_sdram_ini_dcd.c

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -239,9 +239,9 @@ const uint8_t dcd_data[] = {
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/* #1.95, command: write_value, address: SEMC_MCR, value: 0x10000004, size: 4 */
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0x40, 0x2F, 0x00, 0x00, 0x10, 0x00, 0x00, 0x04,
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/* #1.96, command: write_value, address: SEMC_BMCR0, value: 0x30524, size: 4 */
242-
0x40, 0x2F, 0x00, 0x08, 0x00, 0x03, 0x05, 0x24,
242+
0x40, 0x2F, 0x00, 0x08, 0x00, 0x00, 0x00, 0x81,
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/* #1.97, command: write_value, address: SEMC_BMCR1, value: 0x6030524, size: 4 */
244-
0x40, 0x2F, 0x00, 0x0C, 0x06, 0x03, 0x05, 0x24,
244+
0x40, 0x2F, 0x00, 0x0C, 0x00, 0x00, 0x00, 0x81,
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/* #1.98, command: write_value, address: SEMC_BR0, value: 0x8000001B, size: 4 */
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0x40, 0x2F, 0x00, 0x10, 0x80, 0x00, 0x00, 0x1B,
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/* #1.99, command: write_value, address: SEMC_BR1, value: 0x8200001B, size: 4 */

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