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Diffstat (limited to 'drivers/ras/amd/atl/map.c')
-rw-r--r--drivers/ras/amd/atl/map.c682
1 files changed, 682 insertions, 0 deletions
diff --git a/drivers/ras/amd/atl/map.c b/drivers/ras/amd/atl/map.c
new file mode 100644
index 0000000000..8b908e8d74
--- /dev/null
+++ b/drivers/ras/amd/atl/map.c
@@ -0,0 +1,682 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * AMD Address Translation Library
+ *
+ * map.c : Functions to read and decode DRAM address maps
+ *
+ * Copyright (c) 2023, Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Author: Yazen Ghannam <Yazen.Ghannam@amd.com>
+ */
+
+#include "internal.h"
+
+static int df2_get_intlv_mode(struct addr_ctx *ctx)
+{
+ ctx->map.intlv_mode = FIELD_GET(DF2_INTLV_NUM_CHAN, ctx->map.base);
+
+ if (ctx->map.intlv_mode == 8)
+ ctx->map.intlv_mode = DF2_2CHAN_HASH;
+
+ if (ctx->map.intlv_mode != NONE &&
+ ctx->map.intlv_mode != NOHASH_2CHAN &&
+ ctx->map.intlv_mode != DF2_2CHAN_HASH)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int df3_get_intlv_mode(struct addr_ctx *ctx)
+{
+ ctx->map.intlv_mode = FIELD_GET(DF3_INTLV_NUM_CHAN, ctx->map.base);
+ return 0;
+}
+
+static int df3p5_get_intlv_mode(struct addr_ctx *ctx)
+{
+ ctx->map.intlv_mode = FIELD_GET(DF3p5_INTLV_NUM_CHAN, ctx->map.base);
+
+ if (ctx->map.intlv_mode == DF3_6CHAN)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int df4_get_intlv_mode(struct addr_ctx *ctx)
+{
+ ctx->map.intlv_mode = FIELD_GET(DF4_INTLV_NUM_CHAN, ctx->map.intlv);
+
+ if (ctx->map.intlv_mode == DF3_COD4_2CHAN_HASH ||
+ ctx->map.intlv_mode == DF3_COD2_4CHAN_HASH ||
+ ctx->map.intlv_mode == DF3_COD1_8CHAN_HASH ||
+ ctx->map.intlv_mode == DF3_6CHAN)
+ return -EINVAL;
+
+ return 0;
+}
+
+static int df4p5_get_intlv_mode(struct addr_ctx *ctx)
+{
+ ctx->map.intlv_mode = FIELD_GET(DF4p5_INTLV_NUM_CHAN, ctx->map.intlv);
+
+ if (ctx->map.intlv_mode <= NOHASH_32CHAN)
+ return 0;
+
+ if (ctx->map.intlv_mode >= MI3_HASH_8CHAN &&
+ ctx->map.intlv_mode <= MI3_HASH_32CHAN)
+ return 0;
+
+ /*
+ * Modes matching the ranges above are returned as-is.
+ *
+ * All other modes are "fixed up" by adding 20h to make a unique value.
+ */
+ ctx->map.intlv_mode += 0x20;
+
+ return 0;
+}
+
+static int get_intlv_mode(struct addr_ctx *ctx)
+{
+ int ret;
+
+ switch (df_cfg.rev) {
+ case DF2:
+ ret = df2_get_intlv_mode(ctx);
+ break;
+ case DF3:
+ ret = df3_get_intlv_mode(ctx);
+ break;
+ case DF3p5:
+ ret = df3p5_get_intlv_mode(ctx);
+ break;
+ case DF4:
+ ret = df4_get_intlv_mode(ctx);
+ break;
+ case DF4p5:
+ ret = df4p5_get_intlv_mode(ctx);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ if (ret)
+ atl_debug_on_bad_df_rev();
+
+ return ret;
+}
+
+static u64 get_hi_addr_offset(u32 reg_dram_offset)
+{
+ u8 shift = DF_DRAM_BASE_LIMIT_LSB;
+ u64 hi_addr_offset;
+
+ switch (df_cfg.rev) {
+ case DF2:
+ hi_addr_offset = FIELD_GET(DF2_HI_ADDR_OFFSET, reg_dram_offset);
+ break;
+ case DF3:
+ case DF3p5:
+ hi_addr_offset = FIELD_GET(DF3_HI_ADDR_OFFSET, reg_dram_offset);
+ break;
+ case DF4:
+ case DF4p5:
+ hi_addr_offset = FIELD_GET(DF4_HI_ADDR_OFFSET, reg_dram_offset);
+ break;
+ default:
+ hi_addr_offset = 0;
+ atl_debug_on_bad_df_rev();
+ }
+
+ if (df_cfg.rev == DF4p5 && df_cfg.flags.heterogeneous)
+ shift = MI300_DRAM_LIMIT_LSB;
+
+ return hi_addr_offset << shift;
+}
+
+/*
+ * Returns: 0 if offset is disabled.
+ * 1 if offset is enabled.
+ * -EINVAL on error.
+ */
+static int get_dram_offset(struct addr_ctx *ctx, u64 *norm_offset)
+{
+ u32 reg_dram_offset;
+ u8 map_num;
+
+ /* Should not be called for map 0. */
+ if (!ctx->map.num) {
+ atl_debug(ctx, "Trying to find DRAM offset for map 0");
+ return -EINVAL;
+ }
+
+ /*
+ * DramOffset registers don't exist for map 0, so the base register
+ * actually refers to map 1.
+ * Adjust the map_num for the register offsets.
+ */
+ map_num = ctx->map.num - 1;
+
+ if (df_cfg.rev >= DF4) {
+ /* Read D18F7x140 (DramOffset) */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x140 + (4 * map_num),
+ ctx->inst_id, &reg_dram_offset))
+ return -EINVAL;
+
+ } else {
+ /* Read D18F0x1B4 (DramOffset) */
+ if (df_indirect_read_instance(ctx->node_id, 0, 0x1B4 + (4 * map_num),
+ ctx->inst_id, &reg_dram_offset))
+ return -EINVAL;
+ }
+
+ if (!FIELD_GET(DF_HI_ADDR_OFFSET_EN, reg_dram_offset))
+ return 0;
+
+ *norm_offset = get_hi_addr_offset(reg_dram_offset);
+
+ return 1;
+}
+
+static int df3_6ch_get_dram_addr_map(struct addr_ctx *ctx)
+{
+ u16 dst_fabric_id = FIELD_GET(DF3_DST_FABRIC_ID, ctx->map.limit);
+ u8 i, j, shift = 4, mask = 0xF;
+ u32 reg, offset = 0x60;
+ u16 dst_node_id;
+
+ /* Get Socket 1 register. */
+ if (dst_fabric_id & df_cfg.socket_id_mask)
+ offset = 0x68;
+
+ /* Read D18F0x06{0,8} (DF::Skt0CsTargetRemap0)/(DF::Skt0CsTargetRemap1) */
+ if (df_indirect_read_broadcast(ctx->node_id, 0, offset, &reg))
+ return -EINVAL;
+
+ /* Save 8 remap entries. */
+ for (i = 0, j = 0; i < 8; i++, j++)
+ ctx->map.remap_array[i] = (reg >> (j * shift)) & mask;
+
+ dst_node_id = dst_fabric_id & df_cfg.node_id_mask;
+ dst_node_id >>= df_cfg.node_id_shift;
+
+ /* Read D18F2x090 (DF::Np2ChannelConfig) */
+ if (df_indirect_read_broadcast(dst_node_id, 2, 0x90, &reg))
+ return -EINVAL;
+
+ ctx->map.np2_bits = FIELD_GET(DF_LOG2_ADDR_64K_SPACE0, reg);
+ return 0;
+}
+
+static int df2_get_dram_addr_map(struct addr_ctx *ctx)
+{
+ /* Read D18F0x110 (DramBaseAddress). */
+ if (df_indirect_read_instance(ctx->node_id, 0, 0x110 + (8 * ctx->map.num),
+ ctx->inst_id, &ctx->map.base))
+ return -EINVAL;
+
+ /* Read D18F0x114 (DramLimitAddress). */
+ if (df_indirect_read_instance(ctx->node_id, 0, 0x114 + (8 * ctx->map.num),
+ ctx->inst_id, &ctx->map.limit))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int df3_get_dram_addr_map(struct addr_ctx *ctx)
+{
+ if (df2_get_dram_addr_map(ctx))
+ return -EINVAL;
+
+ /* Read D18F0x3F8 (DfGlobalCtl). */
+ if (df_indirect_read_instance(ctx->node_id, 0, 0x3F8,
+ ctx->inst_id, &ctx->map.ctl))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int df4_get_dram_addr_map(struct addr_ctx *ctx)
+{
+ u8 remap_sel, i, j, shift = 4, mask = 0xF;
+ u32 remap_reg;
+
+ /* Read D18F7xE00 (DramBaseAddress). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0xE00 + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.base))
+ return -EINVAL;
+
+ /* Read D18F7xE04 (DramLimitAddress). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0xE04 + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.limit))
+ return -EINVAL;
+
+ /* Read D18F7xE08 (DramAddressCtl). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0xE08 + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.ctl))
+ return -EINVAL;
+
+ /* Read D18F7xE0C (DramAddressIntlv). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0xE0C + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.intlv))
+ return -EINVAL;
+
+ /* Check if Remap Enable bit is valid. */
+ if (!FIELD_GET(DF4_REMAP_EN, ctx->map.ctl))
+ return 0;
+
+ /* Fill with bogus values, because '0' is a valid value. */
+ memset(&ctx->map.remap_array, 0xFF, sizeof(ctx->map.remap_array));
+
+ /* Get Remap registers. */
+ remap_sel = FIELD_GET(DF4_REMAP_SEL, ctx->map.ctl);
+
+ /* Read D18F7x180 (CsTargetRemap0A). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x180 + (8 * remap_sel),
+ ctx->inst_id, &remap_reg))
+ return -EINVAL;
+
+ /* Save first 8 remap entries. */
+ for (i = 0, j = 0; i < 8; i++, j++)
+ ctx->map.remap_array[i] = (remap_reg >> (j * shift)) & mask;
+
+ /* Read D18F7x184 (CsTargetRemap0B). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x184 + (8 * remap_sel),
+ ctx->inst_id, &remap_reg))
+ return -EINVAL;
+
+ /* Save next 8 remap entries. */
+ for (i = 8, j = 0; i < 16; i++, j++)
+ ctx->map.remap_array[i] = (remap_reg >> (j * shift)) & mask;
+
+ return 0;
+}
+
+static int df4p5_get_dram_addr_map(struct addr_ctx *ctx)
+{
+ u8 remap_sel, i, j, shift = 5, mask = 0x1F;
+ u32 remap_reg;
+
+ /* Read D18F7x200 (DramBaseAddress). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x200 + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.base))
+ return -EINVAL;
+
+ /* Read D18F7x204 (DramLimitAddress). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x204 + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.limit))
+ return -EINVAL;
+
+ /* Read D18F7x208 (DramAddressCtl). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x208 + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.ctl))
+ return -EINVAL;
+
+ /* Read D18F7x20C (DramAddressIntlv). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x20C + (16 * ctx->map.num),
+ ctx->inst_id, &ctx->map.intlv))
+ return -EINVAL;
+
+ /* Check if Remap Enable bit is valid. */
+ if (!FIELD_GET(DF4_REMAP_EN, ctx->map.ctl))
+ return 0;
+
+ /* Fill with bogus values, because '0' is a valid value. */
+ memset(&ctx->map.remap_array, 0xFF, sizeof(ctx->map.remap_array));
+
+ /* Get Remap registers. */
+ remap_sel = FIELD_GET(DF4p5_REMAP_SEL, ctx->map.ctl);
+
+ /* Read D18F7x180 (CsTargetRemap0A). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x180 + (24 * remap_sel),
+ ctx->inst_id, &remap_reg))
+ return -EINVAL;
+
+ /* Save first 6 remap entries. */
+ for (i = 0, j = 0; i < 6; i++, j++)
+ ctx->map.remap_array[i] = (remap_reg >> (j * shift)) & mask;
+
+ /* Read D18F7x184 (CsTargetRemap0B). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x184 + (24 * remap_sel),
+ ctx->inst_id, &remap_reg))
+ return -EINVAL;
+
+ /* Save next 6 remap entries. */
+ for (i = 6, j = 0; i < 12; i++, j++)
+ ctx->map.remap_array[i] = (remap_reg >> (j * shift)) & mask;
+
+ /* Read D18F7x188 (CsTargetRemap0C). */
+ if (df_indirect_read_instance(ctx->node_id, 7, 0x188 + (24 * remap_sel),
+ ctx->inst_id, &remap_reg))
+ return -EINVAL;
+
+ /* Save next 6 remap entries. */
+ for (i = 12, j = 0; i < 18; i++, j++)
+ ctx->map.remap_array[i] = (remap_reg >> (j * shift)) & mask;
+
+ return 0;
+}
+
+static int get_dram_addr_map(struct addr_ctx *ctx)
+{
+ switch (df_cfg.rev) {
+ case DF2: return df2_get_dram_addr_map(ctx);
+ case DF3:
+ case DF3p5: return df3_get_dram_addr_map(ctx);
+ case DF4: return df4_get_dram_addr_map(ctx);
+ case DF4p5: return df4p5_get_dram_addr_map(ctx);
+ default:
+ atl_debug_on_bad_df_rev();
+ return -EINVAL;
+ }
+}
+
+static int get_coh_st_fabric_id(struct addr_ctx *ctx)
+{
+ u32 reg;
+
+ /*
+ * On MI300 systems, the Coherent Station Fabric ID is derived
+ * later. And it does not depend on the register value.
+ */
+ if (df_cfg.rev == DF4p5 && df_cfg.flags.heterogeneous)
+ return 0;
+
+ /* Read D18F0x50 (FabricBlockInstanceInformation3). */
+ if (df_indirect_read_instance(ctx->node_id, 0, 0x50, ctx->inst_id, &reg))
+ return -EINVAL;
+
+ if (df_cfg.rev < DF4p5)
+ ctx->coh_st_fabric_id = FIELD_GET(DF2_COH_ST_FABRIC_ID, reg);
+ else
+ ctx->coh_st_fabric_id = FIELD_GET(DF4p5_COH_ST_FABRIC_ID, reg);
+
+ return 0;
+}
+
+static int find_normalized_offset(struct addr_ctx *ctx, u64 *norm_offset)
+{
+ u64 last_offset = 0;
+ int ret;
+
+ for (ctx->map.num = 1; ctx->map.num < df_cfg.num_coh_st_maps; ctx->map.num++) {
+ ret = get_dram_offset(ctx, norm_offset);
+ if (ret < 0)
+ return ret;
+
+ /* Continue search if this map's offset is not enabled. */
+ if (!ret)
+ continue;
+
+ /* Enabled offsets should never be 0. */
+ if (*norm_offset == 0) {
+ atl_debug(ctx, "Enabled map %u offset is 0", ctx->map.num);
+ return -EINVAL;
+ }
+
+ /* Offsets should always increase from one map to the next. */
+ if (*norm_offset <= last_offset) {
+ atl_debug(ctx, "Map %u offset (0x%016llx) <= previous (0x%016llx)",
+ ctx->map.num, *norm_offset, last_offset);
+ return -EINVAL;
+ }
+
+ /* Match if this map's offset is less than the current calculated address. */
+ if (ctx->ret_addr >= *norm_offset)
+ break;
+
+ last_offset = *norm_offset;
+ }
+
+ /*
+ * Finished search without finding a match.
+ * Reset to map 0 and no offset.
+ */
+ if (ctx->map.num >= df_cfg.num_coh_st_maps) {
+ ctx->map.num = 0;
+ *norm_offset = 0;
+ }
+
+ return 0;
+}
+
+static bool valid_map(struct addr_ctx *ctx)
+{
+ if (df_cfg.rev >= DF4)
+ return FIELD_GET(DF_ADDR_RANGE_VAL, ctx->map.ctl);
+ else
+ return FIELD_GET(DF_ADDR_RANGE_VAL, ctx->map.base);
+}
+
+static int get_address_map_common(struct addr_ctx *ctx)
+{
+ u64 norm_offset = 0;
+
+ if (get_coh_st_fabric_id(ctx))
+ return -EINVAL;
+
+ if (find_normalized_offset(ctx, &norm_offset))
+ return -EINVAL;
+
+ if (get_dram_addr_map(ctx))
+ return -EINVAL;
+
+ if (!valid_map(ctx))
+ return -EINVAL;
+
+ ctx->ret_addr -= norm_offset;
+
+ return 0;
+}
+
+static u8 get_num_intlv_chan(struct addr_ctx *ctx)
+{
+ switch (ctx->map.intlv_mode) {
+ case NONE:
+ return 1;
+ case NOHASH_2CHAN:
+ case DF2_2CHAN_HASH:
+ case DF3_COD4_2CHAN_HASH:
+ case DF4_NPS4_2CHAN_HASH:
+ case DF4p5_NPS4_2CHAN_1K_HASH:
+ case DF4p5_NPS4_2CHAN_2K_HASH:
+ return 2;
+ case DF4_NPS4_3CHAN_HASH:
+ case DF4p5_NPS4_3CHAN_1K_HASH:
+ case DF4p5_NPS4_3CHAN_2K_HASH:
+ return 3;
+ case NOHASH_4CHAN:
+ case DF3_COD2_4CHAN_HASH:
+ case DF4_NPS2_4CHAN_HASH:
+ case DF4p5_NPS2_4CHAN_1K_HASH:
+ case DF4p5_NPS2_4CHAN_2K_HASH:
+ return 4;
+ case DF4_NPS2_5CHAN_HASH:
+ case DF4p5_NPS2_5CHAN_1K_HASH:
+ case DF4p5_NPS2_5CHAN_2K_HASH:
+ return 5;
+ case DF3_6CHAN:
+ case DF4_NPS2_6CHAN_HASH:
+ case DF4p5_NPS2_6CHAN_1K_HASH:
+ case DF4p5_NPS2_6CHAN_2K_HASH:
+ return 6;
+ case NOHASH_8CHAN:
+ case DF3_COD1_8CHAN_HASH:
+ case DF4_NPS1_8CHAN_HASH:
+ case MI3_HASH_8CHAN:
+ case DF4p5_NPS1_8CHAN_1K_HASH:
+ case DF4p5_NPS1_8CHAN_2K_HASH:
+ return 8;
+ case DF4_NPS1_10CHAN_HASH:
+ case DF4p5_NPS1_10CHAN_1K_HASH:
+ case DF4p5_NPS1_10CHAN_2K_HASH:
+ return 10;
+ case DF4_NPS1_12CHAN_HASH:
+ case DF4p5_NPS1_12CHAN_1K_HASH:
+ case DF4p5_NPS1_12CHAN_2K_HASH:
+ return 12;
+ case NOHASH_16CHAN:
+ case MI3_HASH_16CHAN:
+ case DF4p5_NPS1_16CHAN_1K_HASH:
+ case DF4p5_NPS1_16CHAN_2K_HASH:
+ return 16;
+ case DF4p5_NPS0_24CHAN_1K_HASH:
+ case DF4p5_NPS0_24CHAN_2K_HASH:
+ return 24;
+ case NOHASH_32CHAN:
+ case MI3_HASH_32CHAN:
+ return 32;
+ default:
+ atl_debug_on_bad_intlv_mode(ctx);
+ return 0;
+ }
+}
+
+static void calculate_intlv_bits(struct addr_ctx *ctx)
+{
+ ctx->map.num_intlv_chan = get_num_intlv_chan(ctx);
+
+ ctx->map.total_intlv_chan = ctx->map.num_intlv_chan;
+ ctx->map.total_intlv_chan *= ctx->map.num_intlv_dies;
+ ctx->map.total_intlv_chan *= ctx->map.num_intlv_sockets;
+
+ /*
+ * Get the number of bits needed to cover this many channels.
+ * order_base_2() rounds up automatically.
+ */
+ ctx->map.total_intlv_bits = order_base_2(ctx->map.total_intlv_chan);
+}
+
+static u8 get_intlv_bit_pos(struct addr_ctx *ctx)
+{
+ u8 addr_sel = 0;
+
+ switch (df_cfg.rev) {
+ case DF2:
+ addr_sel = FIELD_GET(DF2_INTLV_ADDR_SEL, ctx->map.base);
+ break;
+ case DF3:
+ case DF3p5:
+ addr_sel = FIELD_GET(DF3_INTLV_ADDR_SEL, ctx->map.base);
+ break;
+ case DF4:
+ case DF4p5:
+ addr_sel = FIELD_GET(DF4_INTLV_ADDR_SEL, ctx->map.intlv);
+ break;
+ default:
+ atl_debug_on_bad_df_rev();
+ break;
+ }
+
+ /* Add '8' to get the 'interleave bit position'. */
+ return addr_sel + 8;
+}
+
+static u8 get_num_intlv_dies(struct addr_ctx *ctx)
+{
+ u8 dies = 0;
+
+ switch (df_cfg.rev) {
+ case DF2:
+ dies = FIELD_GET(DF2_INTLV_NUM_DIES, ctx->map.limit);
+ break;
+ case DF3:
+ dies = FIELD_GET(DF3_INTLV_NUM_DIES, ctx->map.base);
+ break;
+ case DF3p5:
+ dies = FIELD_GET(DF3p5_INTLV_NUM_DIES, ctx->map.base);
+ break;
+ case DF4:
+ case DF4p5:
+ dies = FIELD_GET(DF4_INTLV_NUM_DIES, ctx->map.intlv);
+ break;
+ default:
+ atl_debug_on_bad_df_rev();
+ break;
+ }
+
+ /* Register value is log2, e.g. 0 -> 1 die, 1 -> 2 dies, etc. */
+ return 1 << dies;
+}
+
+static u8 get_num_intlv_sockets(struct addr_ctx *ctx)
+{
+ u8 sockets = 0;
+
+ switch (df_cfg.rev) {
+ case DF2:
+ sockets = FIELD_GET(DF2_INTLV_NUM_SOCKETS, ctx->map.limit);
+ break;
+ case DF3:
+ case DF3p5:
+ sockets = FIELD_GET(DF2_INTLV_NUM_SOCKETS, ctx->map.base);
+ break;
+ case DF4:
+ case DF4p5:
+ sockets = FIELD_GET(DF4_INTLV_NUM_SOCKETS, ctx->map.intlv);
+ break;
+ default:
+ atl_debug_on_bad_df_rev();
+ break;
+ }
+
+ /* Register value is log2, e.g. 0 -> 1 sockets, 1 -> 2 sockets, etc. */
+ return 1 << sockets;
+}
+
+static int get_global_map_data(struct addr_ctx *ctx)
+{
+ if (get_intlv_mode(ctx))
+ return -EINVAL;
+
+ if (ctx->map.intlv_mode == DF3_6CHAN &&
+ df3_6ch_get_dram_addr_map(ctx))
+ return -EINVAL;
+
+ ctx->map.intlv_bit_pos = get_intlv_bit_pos(ctx);
+ ctx->map.num_intlv_dies = get_num_intlv_dies(ctx);
+ ctx->map.num_intlv_sockets = get_num_intlv_sockets(ctx);
+ calculate_intlv_bits(ctx);
+
+ return 0;
+}
+
+static void dump_address_map(struct dram_addr_map *map)
+{
+ u8 i;
+
+ pr_debug("intlv_mode=0x%x", map->intlv_mode);
+ pr_debug("num=0x%x", map->num);
+ pr_debug("base=0x%x", map->base);
+ pr_debug("limit=0x%x", map->limit);
+ pr_debug("ctl=0x%x", map->ctl);
+ pr_debug("intlv=0x%x", map->intlv);
+
+ for (i = 0; i < MAX_COH_ST_CHANNELS; i++)
+ pr_debug("remap_array[%u]=0x%x", i, map->remap_array[i]);
+
+ pr_debug("intlv_bit_pos=%u", map->intlv_bit_pos);
+ pr_debug("num_intlv_chan=%u", map->num_intlv_chan);
+ pr_debug("num_intlv_dies=%u", map->num_intlv_dies);
+ pr_debug("num_intlv_sockets=%u", map->num_intlv_sockets);
+ pr_debug("total_intlv_chan=%u", map->total_intlv_chan);
+ pr_debug("total_intlv_bits=%u", map->total_intlv_bits);
+}
+
+int get_address_map(struct addr_ctx *ctx)
+{
+ int ret;
+
+ ret = get_address_map_common(ctx);
+ if (ret)
+ return ret;
+
+ ret = get_global_map_data(ctx);
+ if (ret)
+ return ret;
+
+ dump_address_map(&ctx->map);
+
+ return ret;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 23:44:49 +0000