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| author | Alex Leibovich <alexl@marvell.com> | 2021-02-19 17:11:12 +0100 |
|---|---|---|
| committer | Stefan Roese <sr@denx.de> | 2021-02-26 10:22:29 +0100 |
| commit | 1dbd0bd599de8cb105c2dbd8aa2361fe2f353702 (patch) | |
| tree | 0c65c310fdd584d6568789df9138a1ef47af6758 /drivers/ddr | |
| parent | 5d88723ca4de4c71ad4f18c98241431ff158c479 (diff) | |
| download | u-boot-1dbd0bd599de8cb105c2dbd8aa2361fe2f353702.zip u-boot-1dbd0bd599de8cb105c2dbd8aa2361fe2f353702.tar.gz u-boot-1dbd0bd599de8cb105c2dbd8aa2361fe2f353702.tar.bz2 | |
ddr: marvell: a38x: add ddr 32bit ECC support
commit 61a8910998d7b553e80f600ebe8147a8b98f0945 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: Kostya Porotchkin <Kostya.Porotchkin@cavium.com>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Diffstat (limited to 'drivers/ddr')
| -rw-r--r-- | drivers/ddr/marvell/a38x/mv_ddr_spd.c | 5 | ||||
| -rw-r--r-- | drivers/ddr/marvell/a38x/mv_ddr_spd.h | 1 | ||||
| -rw-r--r-- | drivers/ddr/marvell/a38x/mv_ddr_topology.c | 6 |
3 files changed, 11 insertions, 1 deletions
diff --git a/drivers/ddr/marvell/a38x/mv_ddr_spd.c b/drivers/ddr/marvell/a38x/mv_ddr_spd.c index 04dbfe9..cb90d30 100644 --- a/drivers/ddr/marvell/a38x/mv_ddr_spd.c +++ b/drivers/ddr/marvell/a38x/mv_ddr_spd.c @@ -217,6 +217,11 @@ enum mv_ddr_die_capacity mv_ddr_spd_die_capacity_get(union mv_ddr_spd_data *spd_ return ret_val; } +void mv_ddr_spd_die_capacity_user_get(union mv_ddr_spd_data *spd_data, enum mv_ddr_die_capacity capacity) +{ + spd_data->byte_fields.byte_4.bit_fields.die_capacity = capacity; +} + unsigned char mv_ddr_spd_mem_mirror_get(union mv_ddr_spd_data *spd_data) { unsigned char mem_mirror = spd_data->byte_fields.byte_131.bit_fields.rank_1_mapping; diff --git a/drivers/ddr/marvell/a38x/mv_ddr_spd.h b/drivers/ddr/marvell/a38x/mv_ddr_spd.h index b4bfef3..ee35377 100644 --- a/drivers/ddr/marvell/a38x/mv_ddr_spd.h +++ b/drivers/ddr/marvell/a38x/mv_ddr_spd.h @@ -277,6 +277,7 @@ union mv_ddr_spd_data { int mv_ddr_spd_timing_calc(union mv_ddr_spd_data *spd_data, unsigned int timing_data[]); enum mv_ddr_dev_width mv_ddr_spd_dev_width_get(union mv_ddr_spd_data *spd_data); enum mv_ddr_die_capacity mv_ddr_spd_die_capacity_get(union mv_ddr_spd_data *spd_data); +void mv_ddr_spd_die_capacity_user_get(union mv_ddr_spd_data *spd_data, enum mv_ddr_die_capacity capacity); unsigned char mv_ddr_spd_mem_mirror_get(union mv_ddr_spd_data *spd_data); unsigned char mv_ddr_spd_cs_bit_mask_get(union mv_ddr_spd_data *spd_data); unsigned char mv_ddr_spd_dev_type_get(union mv_ddr_spd_data *spd_data); diff --git a/drivers/ddr/marvell/a38x/mv_ddr_topology.c b/drivers/ddr/marvell/a38x/mv_ddr_topology.c index f2cd7c0..0cbe8d3 100644 --- a/drivers/ddr/marvell/a38x/mv_ddr_topology.c +++ b/drivers/ddr/marvell/a38x/mv_ddr_topology.c @@ -74,6 +74,10 @@ int mv_ddr_topology_map_update(void) /* update device width in topology map */ iface_params->bus_width = mv_ddr_spd_dev_width_get(&tm->spd_data); + /* overwrite SPD configuration, with what the user set */ + if (tm->bus_act_mask == MV_DDR_32BIT_ECC_PUP8_BUS_MASK) + mv_ddr_spd_die_capacity_user_get(&tm->spd_data, tm->interface_params[0].memory_size); + /* update die capacity in topology map */ iface_params->memory_size = mv_ddr_spd_die_capacity_get(&tm->spd_data); @@ -144,7 +148,7 @@ 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) + if (tm->bus_act_mask == MV_DDR_32BIT_ECC_PUP8_BUS_MASK) 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); |