summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/ddr/altera/sequencer.c15
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;