aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorMarek Vasut2019-03-05 18:37:02 +0100
committerMarek Vasut2019-03-09 17:59:13 +0100
commit71fc4825f72cc8f9a066e0a23d71e86242738561 (patch)
tree320012410fbc7a749ea74a458a507e91ff42e391
parent532a54e65278564ac16878cda7146d247d8b3193 (diff)
ddr: socfpga: Fix IO in Arria10 DDR driver
The Altera Arria10 DDR driver was using constants in a few places instead of reading registers associated with those constants, fix this. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Chin Liang See <chin.liang.see@intel.com> Cc: Dinh Nguyen <dinguyen@kernel.org> Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com> Cc: Tien Fong Chee <tien.fong.chee@intel.com>
-rw-r--r--drivers/ddr/altera/sdram_arria10.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ddr/altera/sdram_arria10.c b/drivers/ddr/altera/sdram_arria10.c
index 29ea7492f30..6724eb29f1e 100644
--- a/drivers/ddr/altera/sdram_arria10.c
+++ b/drivers/ddr/altera/sdram_arria10.c
@@ -304,7 +304,7 @@ static void sdram_mmr_init(void)
* bit[9:6] = Minor Release #
* bit[14:10] = Major Release #
*/
- if ((socfpga_io48_mmr_base->niosreserve1 >> 6) & 0x1FF) {
+ if ((readl(&socfpga_io48_mmr_base->niosreserve1) >> 6) & 0x1FF) {
update_value = readl(&socfpga_io48_mmr_base->niosreserve0);
writel(((update_value & 0xFF) >> 5),
&socfpga_ecc_hmc_base->ddrioctrl);
@@ -394,7 +394,7 @@ static void sdram_mmr_init(void)
caltim0_cfg_act_to_rdwr -
(ctrlcfg0_cfg_ctrl_burst_len >> 2));
- io48_value = ((((socfpga_io48_mmr_base->dramtiming0 &
+ io48_value = ((((readl(&socfpga_io48_mmr_base->dramtiming0) &
ALT_IO48_DRAMTIME_MEM_READ_LATENCY_MASK) + 2 + 15 +
(ctrlcfg0_cfg_ctrl_burst_len >> 1)) >> 1) -
/* Up to here was in memory cycles so divide by 2 */
@@ -424,7 +424,7 @@ static void sdram_mmr_init(void)
&socfpga_noc_ddr_scheduler_base->ddr_t_main_scheduler_ddrmode);
/* Configure the read latency [0xFFD12414] */
- writel(((socfpga_io48_mmr_base->dramtiming0 &
+ writel(((readl(&socfpga_io48_mmr_base->dramtiming0) &
ALT_IO48_DRAMTIME_MEM_READ_LATENCY_MASK) >> 1) +
DDR_READ_LATENCY_DELAY,
&socfpga_noc_ddr_scheduler_base->