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authorAlex Leibovich <alexl@marvell.com>2021-02-19 17:11:11 +0100
committerStefan Roese <sr@denx.de>2021-02-26 10:22:29 +0100
commit5d88723ca4de4c71ad4f18c98241431ff158c479 (patch)
treec7dafe010642df13276314968da9fe618ff25c1f
parentab7dda724f4a646ab68f928570496d2bef032793 (diff)
downloadu-boot-5d88723ca4de4c71ad4f18c98241431ff158c479.tar.gz
ddr: marvell: a38x: add ddr32 support
commit 32800667b375ebd1f82120da0f3479b1cf52d96d upstream. Required changes made for 32bit ddr support. An update is made to the topology map, according to bus_act_mask, set in the dram_port.c Signed-off-by: Alex Leibovich <alexl@marvell.com> Reviewed-by: Nadav Haklai <Nadav.Haklai@cavium.com> Reviewed-by: Kostya Porotchkin <Kostya.Porotchkin@cavium.com> Signed-off-by: Marek BehĂșn <marek.behun@nic.cz> Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
-rw-r--r--drivers/ddr/marvell/a38x/mv_ddr_topology.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/ddr/marvell/a38x/mv_ddr_topology.c b/drivers/ddr/marvell/a38x/mv_ddr_topology.c
index 09840b1e70..f2cd7c0ef3 100644
--- a/drivers/ddr/marvell/a38x/mv_ddr_topology.c
+++ b/drivers/ddr/marvell/a38x/mv_ddr_topology.c
@@ -144,6 +144,9 @@ unsigned short mv_ddr_bus_bit_mask_get(void)
unsigned int octets_per_if_num = ddr3_tip_dev_attr_get(0, MV_ATTR_OCTET_PER_INTERFACE);
if (tm->cfg_src == MV_DDR_CFG_SPD) {
+ if (tm->bus_act_mask == BUS_MASK_32BIT)
+ tm->spd_data.byte_fields.byte_13.all_bits = MV_DDR_PRI_BUS_WIDTH_32;
+
enum mv_ddr_pri_bus_width pri_bus_width = mv_ddr_spd_pri_bus_width_get(&tm->spd_data);
enum mv_ddr_bus_width_ext bus_width_ext = mv_ddr_spd_bus_width_ext_get(&tm->spd_data);
@@ -151,7 +154,7 @@ unsigned short mv_ddr_bus_bit_mask_get(void)
case MV_DDR_PRI_BUS_WIDTH_16:
pri_and_ext_bus_width = BUS_MASK_16BIT;
break;
- case MV_DDR_PRI_BUS_WIDTH_32:
+ case MV_DDR_PRI_BUS_WIDTH_32: /*each bit represents byte, so 0xf-is means 4 bytes-32 bit*/
pri_and_ext_bus_width = BUS_MASK_32BIT;
break;
case MV_DDR_PRI_BUS_WIDTH_64: