diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ddr/altera/sequencer.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 5ea53ad..6c6bd90 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -2316,15 +2316,15 @@ static void center_dq_windows(const int write, int *left_edge, int *right_edge, const int min_index, const int test_bgn, int *dq_margin, int *dqs_margin) { - const u32 delay_max = write ? iocfg->io_out1_delay_max : + const s32 delay_max = write ? iocfg->io_out1_delay_max : iocfg->io_in_delay_max; - const u32 per_dqs = write ? rwcfg->mem_dq_per_write_dqs : + const s32 per_dqs = write ? rwcfg->mem_dq_per_write_dqs : rwcfg->mem_dq_per_read_dqs; - const u32 delay_off = write ? SCC_MGR_IO_OUT1_DELAY_OFFSET : + const s32 delay_off = write ? SCC_MGR_IO_OUT1_DELAY_OFFSET : SCC_MGR_IO_IN_DELAY_OFFSET; - const u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | delay_off; + const s32 addr = SDR_PHYGRP_SCCGRP_ADDRESS | delay_off; - u32 temp_dq_io_delay1, temp_dq_io_delay2; + s32 temp_dq_io_delay1; int shift_dq, i, p; /* Initialize data for export structures */ @@ -2342,11 +2342,10 @@ static void center_dq_windows(const int write, int *left_edge, int *right_edge, "vfifo_center: before: shift_dq[%u]=%d\n", i, shift_dq); - temp_dq_io_delay1 = readl(addr + (p << 2)); - temp_dq_io_delay2 = readl(addr + (i << 2)); + temp_dq_io_delay1 = readl(addr + (i << 2)); if (shift_dq + temp_dq_io_delay1 > delay_max) - shift_dq = delay_max - temp_dq_io_delay2; + shift_dq = delay_max - temp_dq_io_delay1; else if (shift_dq + temp_dq_io_delay1 < 0) shift_dq = -temp_dq_io_delay1; |