From: Alex Leibovich Date: Fri, 19 Feb 2021 16:11:11 +0000 (+0100) Subject: ddr: marvell: a38x: add ddr32 support X-Git-Url: http://git.dujemihanovic.xyz/%7B%7B%20%24style.Permalink%20%7D%7D?a=commitdiff_plain;h=5d88723ca4de4c71ad4f18c98241431ff158c479;p=u-boot.git 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 Reviewed-by: Nadav Haklai Reviewed-by: Kostya Porotchkin Signed-off-by: Marek Behún Tested-by: Chris Packham --- 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: