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ddr: marvell: a38x: add ddr32 support

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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 Behún <marek.behun@nic.cz>
Tested-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
This commit is contained in:
Alex Leibovich 2021-02-19 17:11:11 +01:00 committed by Stefan Roese
parent ab7dda724f
commit 5d88723ca4
1 changed files with 4 additions and 1 deletions
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5
drivers/ddr/marvell/a38x/mv_ddr_topology.c
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@ -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: