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ddr: altera: Clean up rw_mgr_mem_calibrate_write_test_issue()

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Brief clean, add kerneldoc.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2015-07-21 06:00:36 +02:00
parent 4a82854b07
commit 8371c2ee68
1 changed files with 18 additions and 13 deletions

31
drivers/ddr/altera/sequencer.c
View file

@ -1032,19 +1032,23 @@ static void rw_mgr_mem_handoff(void)
*/ */
} }
/*
* issue write test command. /**
* two variants are provided. one that just tests a write pattern and * rw_mgr_mem_calibrate_write_test_issue() - Issue write test command
* another that tests datamask functionality. * @group: Write Group
* @use_dm: Use DM
*
* Issue write test command. Two variants are provided, one that just tests
* a write pattern and another that tests datamask functionality.
*/ */
static void rw_mgr_mem_calibrate_write_test_issue(uint32_t group, static void rw_mgr_mem_calibrate_write_test_issue(u32 group,
uint32_t test_dm) u32 test_dm)
{ {
uint32_t mcc_instruction; const u32 quick_write_mode =
uint32_t quick_write_mode = (((STATIC_CALIB_STEPS) & CALIB_SKIP_WRITES) && (STATIC_CALIB_STEPS & CALIB_SKIP_WRITES) &&
ENABLE_SUPER_QUICK_CALIBRATION); ENABLE_SUPER_QUICK_CALIBRATION;
uint32_t rw_wl_nop_cycles; u32 mcc_instruction;
uint32_t addr; u32 rw_wl_nop_cycles;
/* /*
* Set counter and jump addresses for the right * Set counter and jump addresses for the right
@ -1164,8 +1168,9 @@ static void rw_mgr_mem_calibrate_write_test_issue(uint32_t group,
&sdr_rw_load_jump_mgr_regs->load_jump_add1); &sdr_rw_load_jump_mgr_regs->load_jump_add1);
} }
addr = SDR_PHYGRP_RWMGRGRP_ADDRESS | RW_MGR_RUN_SINGLE_GROUP_OFFSET; writel(mcc_instruction, (SDR_PHYGRP_RWMGRGRP_ADDRESS |
writel(mcc_instruction, addr + (group << 2)); RW_MGR_RUN_SINGLE_GROUP_OFFSET) +
(group << 2));
} }
/** /**