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ddr: altera: Clean up scc_mgr_set_hhp_extras()

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Minor coding style cleanup for this function. Furthermore, move
ad-hoc debug_cond() calls from the only location from where this
function is invoked into this actual function.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut 2015-07-19 01:32:55 +02:00
parent 3267524960
commit 37a37ca7f8
1 changed files with 22 additions and 15 deletions
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37
drivers/ddr/altera/sequencer.c
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@ -453,21 +453,33 @@ static void scc_mgr_set_oct_out1_delay(const u32 write_group, const u32 delay)
scc_mgr_set(SCC_MGR_OCT_OUT1_DELAY_OFFSET, base + i, delay);
}
/**
* scc_mgr_set_hhp_extras() - Set HHP extras.
*
* Load the fixed setting in the SCC manager HHP extras.
*/
static void scc_mgr_set_hhp_extras(void)
{
/*
* Load the fixed setting in the SCC manager
* bits: 0:0 = 1'b1 - dqs bypass
* bits: 1:1 = 1'b1 - dq bypass
* bits: 4:2 = 3'b001 - rfifo_mode
* bits: 6:5 = 2'b01 - rfifo clock_select
* bits: 7:7 = 1'b0 - separate gating from ungating setting
* bits: 8:8 = 1'b0 - separate OE from Output delay setting
* bits: 0:0 = 1'b1 - DQS bypass
* bits: 1:1 = 1'b1 - DQ bypass
* bits: 4:2 = 3'b001 - rfifo_mode
* bits: 6:5 = 2'b01 - rfifo clock_select
* bits: 7:7 = 1'b0 - separate gating from ungating setting
* bits: 8:8 = 1'b0 - separate OE from Output delay setting
*/
uint32_t value = (0<<8) | (0<<7) | (1<<5) | (1<<2) | (1<<1) | (1<<0);
uint32_t addr = SDR_PHYGRP_SCCGRP_ADDRESS | SCC_MGR_HHP_GLOBALS_OFFSET;
const u32 value = (0 << 8) | (0 << 7) | (1 << 5) |
(1 << 2) | (1 << 1) | (1 << 0);
const u32 addr = SDR_PHYGRP_SCCGRP_ADDRESS |
SCC_MGR_HHP_GLOBALS_OFFSET |
SCC_MGR_HHP_EXTRAS_OFFSET;
writel(value, addr + SCC_MGR_HHP_EXTRAS_OFFSET);
debug_cond(DLEVEL == 1, "%s:%d Setting HHP Extras\n",
__func__, __LINE__);
writel(value, addr);
debug_cond(DLEVEL == 1, "%s:%d Done Setting HHP Extras\n",
__func__, __LINE__);
}
/*
@ -516,13 +528,8 @@ static void scc_mgr_zero_all(void)
static void scc_set_bypass_mode(const u32 write_group)
{
/* Only needed once to set all groups, pins, DQ, DQS, DM. */
if (write_group == 0) {
debug_cond(DLEVEL == 1, "%s:%d Setting HHP Extras\n", __func__,
__LINE__);
if (write_group == 0)
scc_mgr_set_hhp_extras();
debug_cond(DLEVEL == 1, "%s:%d Done Setting HHP Extras\n",
__func__, __LINE__);
}
/* Multicast to all DQ enables. */
writel(0xff, &sdr_scc_mgr->dq_ena);