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ddr: altera: Clean up rw_mgr_mem_calibrate_read_test() part 4

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Clean up the inner loop a bit. No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2015-07-19 07:57:28 +02:00
parent 7ce23bb6ef
commit ba522c769e
1 changed files with 11 additions and 9 deletions
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20
drivers/ddr/altera/sequencer.c
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@ -1234,25 +1234,27 @@ rw_mgr_mem_calibrate_read_test(const u32 rank_bgn, const u32 group,
tmp_bit_chk = 0;
for (vg = RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS - 1; vg >= 0;
vg--) {
/* reset the fifos to get pointers to known state */
/* Reset the FIFOs to get pointers to known state. */
writel(0, &phy_mgr_cmd->fifo_reset);
writel(0, SDR_PHYGRP_RWMGRGRP_ADDRESS |
RW_MGR_RESET_READ_DATAPATH_OFFSET);
tmp_bit_chk = tmp_bit_chk << (RW_MGR_MEM_DQ_PER_READ_DQS
/ RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS);
if (all_groups)
addr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_ALL_GROUPS_OFFSET;
else
addr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET;
if (all_groups) {
addr = SDR_PHYGRP_RWMGRGRP_ADDRESS |
RW_MGR_RUN_ALL_GROUPS_OFFSET;
} else {
addr = SDR_PHYGRP_RWMGRGRP_ADDRESS |
RW_MGR_RUN_SINGLE_GROUP_OFFSET;
}
writel(RW_MGR_READ_B2B, addr +
((group * RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS +
vg) << 2));
base_rw_mgr = readl(SDR_PHYGRP_RWMGRGRP_ADDRESS);
tmp_bit_chk = tmp_bit_chk | (correct_mask_vg & ~(base_rw_mgr));
tmp_bit_chk <<= RW_MGR_MEM_DQ_PER_READ_DQS /
RW_MGR_MEM_VIRTUAL_GROUPS_PER_READ_DQS;
tmp_bit_chk |= correct_mask_vg & ~(base_rw_mgr);
}
*bit_chk &= tmp_bit_chk;