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authorFurquan Shaikh <furquan@google.com>2020-12-31 22:50:14 -0800
committerFurquan Shaikh <furquan@google.com>2021-01-25 19:14:19 +0000
commita1c247b55dfc182b365ac0630fc615277017631e (patch)
tree9b5c198f570b726e9bbe70cce9a14ddb910f2f42 /src/soc/intel/alderlake/meminit.c
parent13d6a4647d3c46db88a295bfa6cf45608ada8a9d (diff)
soc/intel/adl and mb/intel/adlrvp: Use the newly added meminit block driver
This change uses the newly added meminit block driver and updates ADL SoC and mainboard code accordingly. BUG=b:172978729 Change-Id: Ibcc4ee685cdd70eac99f12a5b5d79fdbaf2b3cf6 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/49043 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Meera Ravindranath <meera.ravindranath@intel.com> Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com> Reviewed-by: Subrata Banik <subrata.banik@intel.com>
Diffstat (limited to 'src/soc/intel/alderlake/meminit.c')
-rw-r--r--src/soc/intel/alderlake/meminit.c365
1 files changed, 210 insertions, 155 deletions
diff --git a/src/soc/intel/alderlake/meminit.c b/src/soc/intel/alderlake/meminit.c
index 8473ad8a48..5b65ef063f 100644
--- a/src/soc/intel/alderlake/meminit.c
+++ b/src/soc/intel/alderlake/meminit.c
@@ -1,185 +1,240 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
-#include <assert.h>
#include <console/console.h>
#include <fsp/util.h>
#include <soc/meminit.h>
-#include <spd_bin.h>
#include <string.h>
-enum dimm_enable_options {
- ENABLE_BOTH_DIMMS = 0,
- DISABLE_DIMM0 = 1,
- DISABLE_DIMM1 = 2,
- DISABLE_BOTH_DIMMS = 3
-};
+#define LPX_PHYSICAL_CH_WIDTH 16
+#define LPX_CHANNELS CHANNEL_COUNT(LPX_PHYSICAL_CH_WIDTH)
-static void spd_read_from_cbfs(const struct spd_info *spd_info,
- uintptr_t *spd_data_ptr, size_t *spd_data_len)
-{
- struct region_device spd_rdev;
- size_t spd_index = spd_info->spd_spec.spd_index;
+#define DDR4_PHYSICAL_CH_WIDTH 64
+#define DDR4_CHANNELS CHANNEL_COUNT(DDR4_PHYSICAL_CH_WIDTH)
- printk(BIOS_DEBUG, "SPD INDEX = %lu\n", spd_index);
- if (get_spd_cbfs_rdev(&spd_rdev, spd_index) < 0)
- die("spd.bin not found or incorrect index\n");
+#define DDR5_PHYSICAL_CH_WIDTH 32
+#define DDR5_CHANNELS CHANNEL_COUNT(DDR5_PHYSICAL_CH_WIDTH)
- *spd_data_len = region_device_sz(&spd_rdev);
+static void meminit_lp4x(FSP_M_CONFIG *mem_cfg)
+{
+ mem_cfg->DqPinsInterleaved = 0;
+}
- /* Memory leak is ok since we have memory mapped boot media */
- assert(CONFIG(BOOT_DEVICE_MEMORY_MAPPED));
+static void meminit_lp5x(FSP_M_CONFIG *mem_cfg, const struct mem_lp5x_config *lp5x_config)
+{
+ mem_cfg->DqPinsInterleaved = 0;
+ mem_cfg->Lp5CccConfig = lp5x_config->ccc_config;
+}
- *spd_data_ptr = (uintptr_t)rdev_mmap_full(&spd_rdev);
+static void meminit_ddr(FSP_M_CONFIG *mem_cfg, const struct mem_ddr_config *ddr_config)
+{
+ mem_cfg->DqPinsInterleaved = ddr_config->dq_pins_interleaved;
+ memcpy(&mem_cfg->RcompResistor, ddr_config->rcomp_resistor,
+ sizeof(mem_cfg->RcompResistor));
+ memcpy(&mem_cfg->RcompTarget, ddr_config->rcomp_targets, sizeof(mem_cfg->RcompTarget));
}
-static void get_spd_data(const struct spd_info *spd_info,
- uintptr_t *spd_data_ptr, size_t *spd_data_len)
+static const struct soc_mem_cfg soc_mem_cfg[] = {
+ [MEM_TYPE_DDR4] = {
+ .num_phys_channels = DDR4_CHANNELS,
+ .phys_to_mrc_map = {
+ [0] = 0,
+ [1] = 4,
+ },
+ .md_phy_masks = {
+ /*
+ * Only physical channel 0 is populated in case of half-populated
+ * configuration.
+ */
+ .half_channel = BIT(0),
+ /* In mixed topologies, channel 1 is always memory-down. */
+ .mixed_topo = BIT(1),
+ },
+ },
+ [MEM_TYPE_DDR5] = {
+ .num_phys_channels = DDR5_CHANNELS,
+ .phys_to_mrc_map = {
+ [0] = 0,
+ [1] = 1,
+ [2] = 4,
+ [3] = 5,
+ },
+ .md_phy_masks = {
+ /*
+ * Physical channels 0 and 1 are populated in case of
+ * half-populated configurations.
+ */
+ .half_channel = BIT(0) | BIT(1),
+ /* In mixed topologies, channels 2 and 3 are always memory-down. */
+ .mixed_topo = BIT(2) | BIT(3),
+ },
+ },
+ [MEM_TYPE_LP4X] = {
+ .num_phys_channels = LPX_CHANNELS,
+ .phys_to_mrc_map = {
+ [0] = 0,
+ [1] = 1,
+ [2] = 2,
+ [3] = 3,
+ [4] = 4,
+ [5] = 5,
+ [6] = 6,
+ [7] = 7,
+ },
+ .md_phy_masks = {
+ /*
+ * Physical channels 0, 1, 2 and 3 are populated in case of
+ * half-populated configurations.
+ */
+ .half_channel = BIT(0) | BIT(1) | BIT(2) | BIT(3),
+ /* LP4x does not support mixed topologies. */
+ },
+ },
+ [MEM_TYPE_LP5X] = {
+ .num_phys_channels = LPX_CHANNELS,
+ .phys_to_mrc_map = {
+ [0] = 0,
+ [1] = 1,
+ [2] = 2,
+ [3] = 3,
+ [4] = 4,
+ [5] = 5,
+ [6] = 6,
+ [7] = 7,
+ },
+ .md_phy_masks = {
+ /*
+ * Physical channels 0, 1, 2 and 3 are populated in case of
+ * half-populated configurations.
+ */
+ .half_channel = BIT(0) | BIT(1) | BIT(2) | BIT(3),
+ /* LP5x does not support mixed topologies. */
+ },
+ },
+};
+
+static void mem_init_spd_upds(FSP_M_CONFIG *mem_cfg, const struct mem_channel_data *data)
{
- if (spd_info->read_type == READ_SPD_MEMPTR) {
- *spd_data_ptr = spd_info->spd_spec.spd_data_ptr_info.spd_data_ptr;
- *spd_data_len = spd_info->spd_spec.spd_data_ptr_info.spd_data_len;
- return;
+ uint32_t *spd_upds[MRC_CHANNELS][CONFIG_DIMMS_PER_CHANNEL] = {
+ [0] = { &mem_cfg->MemorySpdPtr00, &mem_cfg->MemorySpdPtr01, },
+ [1] = { &mem_cfg->MemorySpdPtr02, &mem_cfg->MemorySpdPtr03, },
+ [2] = { &mem_cfg->MemorySpdPtr04, &mem_cfg->MemorySpdPtr05, },
+ [3] = { &mem_cfg->MemorySpdPtr06, &mem_cfg->MemorySpdPtr07, },
+ [4] = { &mem_cfg->MemorySpdPtr08, &mem_cfg->MemorySpdPtr09, },
+ [5] = { &mem_cfg->MemorySpdPtr10, &mem_cfg->MemorySpdPtr11, },
+ [6] = { &mem_cfg->MemorySpdPtr12, &mem_cfg->MemorySpdPtr13, },
+ [7] = { &mem_cfg->MemorySpdPtr14, &mem_cfg->MemorySpdPtr15, },
+ };
+ uint8_t *disable_dimm_upds[MRC_CHANNELS] = {
+ &mem_cfg->DisableDimmMc0Ch0,
+ &mem_cfg->DisableDimmMc0Ch1,
+ &mem_cfg->DisableDimmMc0Ch2,
+ &mem_cfg->DisableDimmMc0Ch3,
+ &mem_cfg->DisableDimmMc1Ch0,
+ &mem_cfg->DisableDimmMc1Ch1,
+ &mem_cfg->DisableDimmMc1Ch2,
+ &mem_cfg->DisableDimmMc1Ch3,
+ };
+ size_t ch, dimm;
+
+ mem_cfg->MemorySpdDataLen = data->spd_len;
+
+ for (ch = 0; ch < MRC_CHANNELS; ch++) {
+ uint8_t *disable_dimm_ptr = disable_dimm_upds[ch];
+ *disable_dimm_ptr = 0;
+
+ for (dimm = 0; dimm < CONFIG_DIMMS_PER_CHANNEL; dimm++) {
+ uint32_t *spd_ptr = spd_upds[ch][dimm];
+
+ *spd_ptr = data->spd[ch][dimm];
+ if (!*spd_ptr)
+ *disable_dimm_ptr |= BIT(dimm);
+ }
}
+}
- if (spd_info->read_type == READ_SPD_CBFS) {
- spd_read_from_cbfs(spd_info, spd_data_ptr, spd_data_len);
- return;
+static void mem_init_dq_dqs_upds(void *upds[MRC_CHANNELS], const void *map, size_t upd_size,
+ const struct mem_channel_data *data, bool auto_detect)
+{
+ size_t i;
+
+ for (i = 0; i < MRC_CHANNELS; i++, map += upd_size) {
+ if (auto_detect ||
+ !channel_is_populated(i, MRC_CHANNELS, data->ch_population_flags))
+ memset(upds[i], 0, upd_size);
+ else
+ memcpy(upds[i], map, upd_size);
}
}
-static void meminit_dq_dqs_map(FSP_M_CONFIG *mem_cfg,
- const struct mb_cfg *board_cfg,
- bool half_populated)
+static void mem_init_dq_upds(FSP_M_CONFIG *mem_cfg, const struct mem_channel_data *data,
+ const struct mb_cfg *mb_cfg, bool auto_detect)
{
- memcpy(&mem_cfg->RcompResistor, &board_cfg->rcomp_resistor,
- sizeof(mem_cfg->RcompResistor));
-
- memcpy(&mem_cfg->RcompTarget, &board_cfg->rcomp_targets,
- sizeof(mem_cfg->RcompTarget));
-
- memcpy(&mem_cfg->DqMapCpu2DramCh0, &board_cfg->dq_map[DDR_CH0],
- sizeof(board_cfg->dq_map[DDR_CH0]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh0, &board_cfg->dqs_map[DDR_CH0],
- sizeof(board_cfg->dqs_map[DDR_CH0]));
-
- memcpy(&mem_cfg->DqMapCpu2DramCh1, &board_cfg->dq_map[DDR_CH1],
- sizeof(board_cfg->dq_map[DDR_CH1]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh1, &board_cfg->dqs_map[DDR_CH1],
- sizeof(board_cfg->dqs_map[DDR_CH1]));
-
- memcpy(&mem_cfg->DqMapCpu2DramCh2, &board_cfg->dq_map[DDR_CH2],
- sizeof(board_cfg->dq_map[DDR_CH2]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh2, &board_cfg->dqs_map[DDR_CH2],
- sizeof(board_cfg->dqs_map[DDR_CH2]));
-
- memcpy(&mem_cfg->DqMapCpu2DramCh3, &board_cfg->dq_map[DDR_CH3],
- sizeof(board_cfg->dq_map[DDR_CH3]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh3, &board_cfg->dqs_map[DDR_CH3],
- sizeof(board_cfg->dqs_map[DDR_CH3]));
-
- if (half_populated)
- return;
-
- memcpy(&mem_cfg->DqMapCpu2DramCh4, &board_cfg->dq_map[DDR_CH4],
- sizeof(board_cfg->dq_map[DDR_CH4]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh4, &board_cfg->dqs_map[DDR_CH4],
- sizeof(board_cfg->dqs_map[DDR_CH4]));
-
- memcpy(&mem_cfg->DqMapCpu2DramCh5, &board_cfg->dq_map[DDR_CH5],
- sizeof(board_cfg->dq_map[DDR_CH5]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh5, &board_cfg->dqs_map[DDR_CH5],
- sizeof(board_cfg->dqs_map[DDR_CH5]));
-
- memcpy(&mem_cfg->DqMapCpu2DramCh6, &board_cfg->dq_map[DDR_CH6],
- sizeof(board_cfg->dq_map[DDR_CH6]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh6, &board_cfg->dqs_map[DDR_CH6],
- sizeof(board_cfg->dqs_map[DDR_CH6]));
-
- memcpy(&mem_cfg->DqMapCpu2DramCh7, &board_cfg->dq_map[DDR_CH7],
- sizeof(board_cfg->dq_map[DDR_CH7]));
- memcpy(&mem_cfg->DqsMapCpu2DramCh7, &board_cfg->dqs_map[DDR_CH7],
- sizeof(board_cfg->dqs_map[DDR_CH7]));
+ void *dq_upds[MRC_CHANNELS] = {
+ &mem_cfg->DqMapCpu2DramCh0,
+ &mem_cfg->DqMapCpu2DramCh1,
+ &mem_cfg->DqMapCpu2DramCh2,
+ &mem_cfg->DqMapCpu2DramCh3,
+ &mem_cfg->DqMapCpu2DramCh4,
+ &mem_cfg->DqMapCpu2DramCh5,
+ &mem_cfg->DqMapCpu2DramCh6,
+ &mem_cfg->DqMapCpu2DramCh7,
+ };
+
+ const size_t upd_size = sizeof(mem_cfg->DqMapCpu2DramCh0);
+
+ _Static_assert(upd_size == CONFIG_MRC_CHANNEL_WIDTH, "Incorrect DQ UPD size!");
+
+ mem_init_dq_dqs_upds(dq_upds, mb_cfg->dq_map, upd_size, data, auto_detect);
}
-static void meminit_channels(FSP_M_CONFIG *mem_cfg,
- const struct mb_cfg *board_cfg,
- uintptr_t spd_data_ptr,
- bool half_populated)
+static void mem_init_dqs_upds(FSP_M_CONFIG *mem_cfg, const struct mem_channel_data *data,
+ const struct mb_cfg *mb_cfg, bool auto_detect)
{
- uint8_t dimm_cfg = DISABLE_DIMM1; /* Use only DIMM0 */
-
- /* Channel 0 */
- mem_cfg->DisableDimmMc0Ch0 = dimm_cfg;
- mem_cfg->MemorySpdPtr00 = spd_data_ptr;
- mem_cfg->MemorySpdPtr01 = 0;
-
- /* Channel 1 */
- mem_cfg->DisableDimmMc0Ch1 = dimm_cfg;
- mem_cfg->MemorySpdPtr02 = spd_data_ptr;
- mem_cfg->MemorySpdPtr03 = 0;
-
- /* Channel 2 */
- mem_cfg->DisableDimmMc0Ch2 = dimm_cfg;
- mem_cfg->MemorySpdPtr04 = spd_data_ptr;
- mem_cfg->MemorySpdPtr05 = 0;
-
- /* Channel 3 */
- mem_cfg->DisableDimmMc0Ch3 = dimm_cfg;
- mem_cfg->MemorySpdPtr06 = spd_data_ptr;
- mem_cfg->MemorySpdPtr07 = 0;
-
- if (half_populated) {
- printk(BIOS_INFO, "%s: DRAM half-populated\n", __func__);
- dimm_cfg = DISABLE_BOTH_DIMMS;
- spd_data_ptr = 0;
- }
-
- /* Channel 4 */
- mem_cfg->DisableDimmMc1Ch0 = dimm_cfg;
- mem_cfg->MemorySpdPtr08 = spd_data_ptr;
- mem_cfg->MemorySpdPtr09 = 0;
-
- /* Channel 5 */
- mem_cfg->DisableDimmMc1Ch1 = dimm_cfg;
- mem_cfg->MemorySpdPtr10 = spd_data_ptr;
- mem_cfg->MemorySpdPtr11 = 0;
-
- /* Channel 6 */
- mem_cfg->DisableDimmMc1Ch2 = dimm_cfg;
- mem_cfg->MemorySpdPtr12 = spd_data_ptr;
- mem_cfg->MemorySpdPtr13 = 0;
-
- /* Channel 7 */
- mem_cfg->DisableDimmMc1Ch3 = dimm_cfg;
- mem_cfg->MemorySpdPtr14 = spd_data_ptr;
- mem_cfg->MemorySpdPtr15 = 0;
-
- meminit_dq_dqs_map(mem_cfg, board_cfg, half_populated);
+ void *dqs_upds[MRC_CHANNELS] = {
+ &mem_cfg->DqsMapCpu2DramCh0,
+ &mem_cfg->DqsMapCpu2DramCh1,
+ &mem_cfg->DqsMapCpu2DramCh2,
+ &mem_cfg->DqsMapCpu2DramCh3,
+ &mem_cfg->DqsMapCpu2DramCh4,
+ &mem_cfg->DqsMapCpu2DramCh5,
+ &mem_cfg->DqsMapCpu2DramCh6,
+ &mem_cfg->DqsMapCpu2DramCh7,
+ };
+
+ const size_t upd_size = sizeof(mem_cfg->DqsMapCpu2DramCh0);
+
+ _Static_assert(upd_size == CONFIG_MRC_CHANNEL_WIDTH / 8, "Incorrect DQS UPD size!");
+
+ mem_init_dq_dqs_upds(dqs_upds, mb_cfg->dqs_map, upd_size, data, auto_detect);
}
-/* Initialize onboard memory configurations for lpddr4x */
-void memcfg_init(FSP_M_CONFIG *mem_cfg,
- const struct mb_cfg *board_cfg,
- const struct spd_info *spd_info,
- bool half_populated)
+void memcfg_init(FSP_M_CONFIG *mem_cfg, const struct mb_cfg *mb_cfg,
+ const struct mem_spd *spd_info, bool half_populated)
{
- if (spd_info->read_type == READ_SMBUS) {
- for (int i = 0; i < NUM_DIMM_SLOT; i++)
- mem_cfg->SpdAddressTable[i] = spd_info->spd_spec.spd_smbus_address[i];
- meminit_dq_dqs_map(mem_cfg, board_cfg, half_populated);
- } else {
- size_t spd_data_len = 0;
- uintptr_t spd_data_ptr = 0;
-
- memset(&mem_cfg->SpdAddressTable, 0, sizeof(mem_cfg->SpdAddressTable));
- get_spd_data(spd_info, &spd_data_ptr, &spd_data_len);
-
- mem_cfg->MemorySpdDataLen = spd_data_len;
- meminit_channels(mem_cfg, board_cfg, spd_data_ptr, half_populated);
+ struct mem_channel_data data;
+ bool dq_dqs_auto_detect = false;
+
+ mem_cfg->ECT = mb_cfg->ect;
+ mem_cfg->UserBd = mb_cfg->UserBd;
+
+ switch (mb_cfg->type) {
+ case MEM_TYPE_DDR4:
+ case MEM_TYPE_DDR5:
+ meminit_ddr(mem_cfg, &mb_cfg->ddr_config);
+ dq_dqs_auto_detect = true;
+ break;
+ case MEM_TYPE_LP4X:
+ meminit_lp4x(mem_cfg);
+ break;
+ case MEM_TYPE_LP5X:
+ meminit_lp5x(mem_cfg, &mb_cfg->lp5x_config);
+ break;
+ default:
+ die("Unsupported memory type(%d)\n", mb_cfg->type);
}
- mem_cfg->Lp5CccConfig = board_cfg->lp5_ccc_config;
- mem_cfg->ECT = board_cfg->ect;
- mem_cfg->UserBd = board_cfg->UserBd;
- mem_cfg->DqPinsInterleaved = board_cfg->dq_pins_interleaved;
+ mem_populate_channel_data(&soc_mem_cfg[mb_cfg->type], spd_info, half_populated, &data);
+ mem_init_spd_upds(mem_cfg, &data);
+ mem_init_dq_upds(mem_cfg, &data, mb_cfg, dq_dqs_auto_detect);
+ mem_init_dqs_upds(mem_cfg, &data, mb_cfg, dq_dqs_auto_detect);
}