diff options
Diffstat (limited to 'board/compulab/imx8mm-cl-iot-gate/ddr/ddr.c')
| -rw-r--r-- | board/compulab/imx8mm-cl-iot-gate/ddr/ddr.c | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/board/compulab/imx8mm-cl-iot-gate/ddr/ddr.c b/board/compulab/imx8mm-cl-iot-gate/ddr/ddr.c index 5b93491..b230478 100644 --- a/board/compulab/imx8mm-cl-iot-gate/ddr/ddr.c +++ b/board/compulab/imx8mm-cl-iot-gate/ddr/ddr.c @@ -24,33 +24,6 @@ #include <linux/delay.h> -static unsigned int lpddr4_mr_read(unsigned int mr_rank, unsigned int mr_addr) -{ - unsigned int tmp; - - reg32_write(DRC_PERF_MON_MRR0_DAT(0), 0x1); - do { - tmp = reg32_read(DDRC_MRSTAT(0)); - } while (tmp & 0x1); - - reg32_write(DDRC_MRCTRL0(0), (mr_rank << 4) | 0x1); - reg32_write(DDRC_MRCTRL1(0), (mr_addr << 8)); - reg32setbit(DDRC_MRCTRL0(0), 31); - do { - tmp = reg32_read(DRC_PERF_MON_MRR0_DAT(0)); - } while ((tmp & 0x8) == 0); - tmp = reg32_read(DRC_PERF_MON_MRR1_DAT(0)); - reg32_write(DRC_PERF_MON_MRR0_DAT(0), 0x4); - while (tmp) { //try to find a significant byte in the word - if (tmp & 0xff) { - tmp &= 0xff; - break; - } - tmp >>= 8; - } - return tmp; -} - struct lpddr4_desc { char name[16]; unsigned int id; |