[U-Boot] [PATCH 061/172] ddr: altera: Shuffle around scc_mgr_set_*all_ranks()

Marek Vasut
2015-07-27T20:50:24Z

Shuffle the code around a bit, but without any functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
---
drivers/ddr/altera/sequencer.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c
index 4bdc3a7..1718ebf 100644
--- a/drivers/ddr/altera/sequencer.c
+++ b/drivers/ddr/altera/sequencer.c
@@ -365,10 +365,11 @@ static void scc_mgr_set_dqs_en_phase_all_ranks(uint32_t read_group,
uint32_t phase)
{
uint32_t r;
- uint32_t update_scan_chains;

for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
r += NUM_RANKS_PER_SHADOW_REG) {
+ scc_mgr_set_dqs_en_phase(read_group, phase);
+
/*
* USER although the h/w doesn't support different phases per
* shadow register, for simplicity our scc manager modeling
@@ -377,11 +378,8 @@ static void scc_mgr_set_dqs_en_phase_all_ranks(uint32_t read_group,
* for efficiency, the scan chain update should occur only
* once to sr0.
*/
- update_scan_chains = (r == 0) ? 1 : 0;
-
- scc_mgr_set_dqs_en_phase(read_group, phase);

- if (update_scan_chains) {
+ if (r == 0) {
writel(read_group, &sdr_scc_mgr->dqs_ena);
writel(0, &sdr_scc_mgr->update);
}
@@ -392,10 +390,11 @@ static void scc_mgr_set_dqdqs_output_phase_all_ranks(uint32_t write_group,
uint32_t phase)
{
uint32_t r;
- uint32_t update_scan_chains;

for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS;
r += NUM_RANKS_PER_SHADOW_REG) {
+ scc_mgr_set_dqdqs_output_phase(write_group, phase);
+
/*
* USER although the h/w doesn't support different phases per
* shadow register, for simplicity our scc manager modeling
@@ -404,11 +403,8 @@ static void scc_mgr_set_dqdqs_output_phase_all_ranks(uint32_t write_group,
* for efficiency, the scan chain update should occur only
* once to sr0.
*/
- update_scan_chains = (r == 0) ? 1 : 0;

- scc_mgr_set_dqdqs_output_phase(write_group, phase);
-
- if (update_scan_chains) {
+ if (r == 0) {
writel(write_group, &sdr_scc_mgr->dqs_ena);
writel(0, &sdr_scc_mgr->update);
}
@@ -424,7 +420,6 @@ static void scc_mgr_set_dqs_en_delay_all_ranks(uint32_t read_group,
r += NUM_RANKS_PER_SHADOW_REG) {
scc_mgr_set_dqs_en_delay(read_group, delay);

- writel(read_group, &sdr_scc_mgr->dqs_ena);
/*
* In shadow register mode, the T11 settings are stored in
* registers in the core, which are updated by the DQS_ENA
@@ -433,6 +428,8 @@ static void scc_mgr_set_dqs_en_delay_all_ranks(uint32_t read_group,
* select_shadow_regs_for_update with update_scan_chains
* set to 0.
*/
+
+ writel(read_group, &sdr_scc_mgr->dqs_ena);
writel(0, &sdr_scc_mgr->update);
}
/*
--
2.1.4