From 32e7a6baef2bcaacd5e2ca2d788072a487c5e311 Mon Sep 17 00:00:00 2001 From: Moti Buskila Date: Fri, 19 Feb 2021 17:11:19 +0100 Subject: [PATCH] ddr: marvell: a38x: add support for twin-die combined memory device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit commit 6285efb8a118940877522c4c07bd7c64569b4f5f upstream. the twin-die combined memory device should be treatened as X8 device and not as X16 one Signed-off-by: Moti Buskila Reviewed-by: Kostya Porotchkin [ - the default value for twin_die_combined is set to NOT_COMBINED for all boards, as this was default behaviour prior this change ] Signed-off-by: Marek Behún Tested-by: Chris Packham --- board/CZ.NIC/turris_omnia/turris_omnia.c | 2 ++ board/Marvell/db-88f6820-amc/db-88f6820-amc.c | 1 + board/Marvell/db-88f6820-gp/db-88f6820-gp.c | 1 + board/alliedtelesis/x530/x530.c | 1 + board/gdsys/a38x/controlcenterdc.c | 1 + board/kobol/helios4/helios4.c | 1 + board/solidrun/clearfog/clearfog.c | 1 + drivers/ddr/marvell/a38x/ddr_topology_def.h | 12 ++++++++++++ drivers/ddr/marvell/a38x/mv_ddr_topology.c | 6 +++++- 9 files changed, 25 insertions(+), 1 deletion(-) diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c index 0353d58a36..1d3cefe703 100644 --- a/board/CZ.NIC/turris_omnia/turris_omnia.c +++ b/board/CZ.NIC/turris_omnia/turris_omnia.c @@ -286,6 +286,7 @@ static struct mv_ddr_topology_map board_topology_map_1g = { MV_DDR_TIM_2T} }, /* timing */ BUS_MASK_32BIT, /* Busses mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0} /* timing parameters */ }; @@ -308,6 +309,7 @@ static struct mv_ddr_topology_map board_topology_map_2g = { MV_DDR_TIM_2T} }, /* timing */ BUS_MASK_32BIT, /* Busses mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0} /* timing parameters */ }; diff --git a/board/Marvell/db-88f6820-amc/db-88f6820-amc.c b/board/Marvell/db-88f6820-amc/db-88f6820-amc.c index 163a1b3de9..122c63d11f 100644 --- a/board/Marvell/db-88f6820-amc/db-88f6820-amc.c +++ b/board/Marvell/db-88f6820-amc/db-88f6820-amc.c @@ -73,6 +73,7 @@ static struct mv_ddr_topology_map board_topology_map = { MV_DDR_TIM_DEFAULT} }, /* timing */ BUS_MASK_32BIT, /* Busses mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0} /* timing parameters */ }; diff --git a/board/Marvell/db-88f6820-gp/db-88f6820-gp.c b/board/Marvell/db-88f6820-gp/db-88f6820-gp.c index 06307e582c..1edc1cb651 100644 --- a/board/Marvell/db-88f6820-gp/db-88f6820-gp.c +++ b/board/Marvell/db-88f6820-gp/db-88f6820-gp.c @@ -94,6 +94,7 @@ static struct mv_ddr_topology_map board_topology_map = { MV_DDR_TIM_DEFAULT} }, /* timing */ BUS_MASK_32BIT, /* Busses mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0} /* timing parameters */ }; diff --git a/board/alliedtelesis/x530/x530.c b/board/alliedtelesis/x530/x530.c index d602092d73..7bcfa828d7 100644 --- a/board/alliedtelesis/x530/x530.c +++ b/board/alliedtelesis/x530/x530.c @@ -68,6 +68,7 @@ static struct mv_ddr_topology_map board_topology_map = { MV_DDR_TIM_2T} }, /* timing */ BUS_MASK_32BIT_ECC, /* subphys mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0}, /* timing parameters */ { {0} }, /* electrical configuration */ diff --git a/board/gdsys/a38x/controlcenterdc.c b/board/gdsys/a38x/controlcenterdc.c index ba57a27218..4f1dc3b431 100644 --- a/board/gdsys/a38x/controlcenterdc.c +++ b/board/gdsys/a38x/controlcenterdc.c @@ -71,6 +71,7 @@ static struct mv_ddr_topology_map ddr_topology_map = { MV_DDR_TIM_DEFAULT} }, /* timing */ BUS_MASK_32BIT, /* Busses mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0} /* timing parameters */ diff --git a/board/kobol/helios4/helios4.c b/board/kobol/helios4/helios4.c index adb091ce4f..9c5b687b3e 100644 --- a/board/kobol/helios4/helios4.c +++ b/board/kobol/helios4/helios4.c @@ -71,6 +71,7 @@ static struct mv_ddr_topology_map board_topology_map = { MV_DDR_TIM_DEFAULT} }, /* timing */ BUS_MASK_32BIT_ECC, /* Busses mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0} /* timing parameters */ }; diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c index 7b2accf01d..c920cf8d6b 100644 --- a/board/solidrun/clearfog/clearfog.c +++ b/board/solidrun/clearfog/clearfog.c @@ -142,6 +142,7 @@ static struct mv_ddr_topology_map board_topology_map = { MV_DDR_TIM_DEFAULT} }, /* timing */ BUS_MASK_32BIT, /* Busses mask */ MV_DDR_CFG_DEFAULT, /* ddr configuration data source */ + NOT_COMBINED, /* ddr twin-die combined */ { {0} }, /* raw spd data */ {0}, /* timing parameters */ { {0} }, /* electrical configuration */ diff --git a/drivers/ddr/marvell/a38x/ddr_topology_def.h b/drivers/ddr/marvell/a38x/ddr_topology_def.h index 3991fec272..461f091472 100644 --- a/drivers/ddr/marvell/a38x/ddr_topology_def.h +++ b/drivers/ddr/marvell/a38x/ddr_topology_def.h @@ -14,6 +14,11 @@ #define MV_DDR_MAX_BUS_NUM 9 #define MV_DDR_MAX_IFACE_NUM 1 +enum mv_ddr_twin_die { + COMBINED, + NOT_COMBINED, +}; + struct bus_params { /* Chip Select (CS) bitmask (bits 0-CS0, bit 1- CS1 ...) */ u8 cs_bitmask; @@ -47,6 +52,9 @@ struct if_params { /* The DDR frequency for each interfaces */ enum mv_ddr_freq memory_freq; + /* ddr twin-die */ + enum mv_ddr_twin_die twin_die_combined; + /* * delay CAS Write Latency * - 0 for using default value (jedec suggested) @@ -113,6 +121,9 @@ struct mv_ddr_topology_map { /* source of ddr configuration data */ enum mv_ddr_cfg_src cfg_src; + /* ddr twin-die */ + enum mv_ddr_twin_die twin_die_combined; + /* raw spd data */ union mv_ddr_spd_data spd_data; @@ -193,6 +204,7 @@ struct mv_ddr_iface { /* ddr interface topology map */ struct mv_ddr_topology_map tm; + }; struct mv_ddr_iface *mv_ddr_iface_get(void); diff --git a/drivers/ddr/marvell/a38x/mv_ddr_topology.c b/drivers/ddr/marvell/a38x/mv_ddr_topology.c index c4c3ab72b2..2db6283c23 100644 --- a/drivers/ddr/marvell/a38x/mv_ddr_topology.c +++ b/drivers/ddr/marvell/a38x/mv_ddr_topology.c @@ -127,6 +127,11 @@ int mv_ddr_topology_map_update(void) speed_bin_index = iface_params->speed_bin_index; freq = iface_params->memory_freq; + if (tm->twin_die_combined == COMBINED) { + iface_params->bus_width = MV_DDR_DEV_WIDTH_8BIT; + iface_params->memory_size -= 1; + } + if (iface_params->cas_l == 0) iface_params->cas_l = mv_ddr_cl_val_get(speed_bin_index, freq); @@ -281,7 +286,6 @@ unsigned long long mv_ddr_mem_sz_per_cs_get(void) mem_sz_per_cs = (unsigned long long)mem_size[iface_params->memory_size] * (unsigned long long)sphys / (unsigned long long)sphys_per_dunit; - return mem_sz_per_cs; }