diff options
| author | Marek Vasut <marex@denx.de> | 2015-07-26 10:54:15 +0200 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2015-08-08 14:14:15 +0200 |
| commit | 51cea0b6c0ef4989ee666dc99665b55dd02891ee (patch) | |
| tree | 383dd37a88565529915c7a57d0cec8ed12ded9d1 /drivers/ddr | |
| parent | 080bf64ef1b3bcf8703a3bc4a8474314ea7c0071 (diff) | |
| download | talos-obmc-uboot-51cea0b6c0ef4989ee666dc99665b55dd02891ee.tar.gz talos-obmc-uboot-51cea0b6c0ef4989ee666dc99665b55dd02891ee.zip | |
ddr: altera: Minor clean up of mem_skip_calibrate()
Perform minor coding style cleanup of the mem_skip_calibrate() function,
clean up comments and add kerneldoc. No functional change.
Signed-off-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'drivers/ddr')
| -rw-r--r-- | drivers/ddr/altera/sequencer.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/ddr/altera/sequencer.c b/drivers/ddr/altera/sequencer.c index 56ca6f377c..874868d38d 100644 --- a/drivers/ddr/altera/sequencer.c +++ b/drivers/ddr/altera/sequencer.c @@ -3169,7 +3169,11 @@ static void mem_init_latency(void) writel(wlat, &phy_mgr_cfg->afi_wlat); } -/* Set VFIFO and LFIFO to instant-on settings in skip calibration mode */ +/** + * @mem_skip_calibrate() - Set VFIFO and LFIFO to instant-on settings + * + * Set VFIFO and LFIFO to instant-on settings in skip calibration mode. + */ static void mem_skip_calibrate(void) { uint32_t vfifo_offset; @@ -3178,7 +3182,7 @@ static void mem_skip_calibrate(void) debug("%s:%d\n", __func__, __LINE__); /* Need to update every shadow register set used by the interface */ for (r = 0; r < RW_MGR_MEM_NUMBER_OF_RANKS; - r += NUM_RANKS_PER_SHADOW_REG) { + r += NUM_RANKS_PER_SHADOW_REG) { /* * Set output phase alignment settings appropriate for * skip calibration. @@ -3215,8 +3219,8 @@ static void mem_skip_calibrate(void) * * (1.25 * IO_DLL_CHAIN_LENGTH - 2) */ - scc_mgr_set_dqdqs_output_phase(i, (1.25 * - IO_DLL_CHAIN_LENGTH - 2)); + scc_mgr_set_dqdqs_output_phase(i, + 1.25 * IO_DLL_CHAIN_LENGTH - 2); } writel(0xff, &sdr_scc_mgr->dqs_ena); writel(0xff, &sdr_scc_mgr->dqs_io_ena); @@ -3242,14 +3246,13 @@ static void mem_skip_calibrate(void) * in sequencer. */ vfifo_offset = CALIB_VFIFO_OFFSET; - for (j = 0; j < vfifo_offset; j++) { + for (j = 0; j < vfifo_offset; j++) writel(0xff, &phy_mgr_cmd->inc_vfifo_hard_phy); - } writel(0, &phy_mgr_cmd->fifo_reset); /* - * For ACV with hard lfifo, we get the skip-cal setting from - * generation-time constant. + * For Arria V and Cyclone V with hard LFIFO, we get the skip-cal + * setting from generation-time constant. */ gbl->curr_read_lat = CALIB_LFIFO_OFFSET; writel(gbl->curr_read_lat, &phy_mgr_cfg->phy_rlat); |
