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-rw-r--r--src/mainboard/google/reef/romstage.c156
-rw-r--r--src/mainboard/google/reef/variants/baseboard/Makefile.inc1
-rw-r--r--src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h8
-rw-r--r--src/mainboard/google/reef/variants/baseboard/memory.c168
4 files changed, 181 insertions, 152 deletions
diff --git a/src/mainboard/google/reef/romstage.c b/src/mainboard/google/reef/romstage.c
index 6a7ed93557..0e9917fd53 100644
--- a/src/mainboard/google/reef/romstage.c
+++ b/src/mainboard/google/reef/romstage.c
@@ -13,165 +13,17 @@
* GNU General Public License for more details.
*/
-#include <gpio.h>
+#include <baseboard/variants.h>
#include <soc/meminit.h>
#include <soc/romstage.h>
-#include <variant/gpio.h>
-
-static const struct lpddr4_swizzle_cfg board_swizzle = {
- /* CH0_DQA[0:31] SoC pins -> U22 LPDDR4 module pins */
- .phys[LP4_PHYS_CH0A] = {
- /* DQA[0:7] pins of LPDDR4 module. */
- .dqs[LP4_DQS0] = { 6, 7, 5, 4, 3, 1, 0, 2 },
- /* DQA[8:15] pins of LPDDR4 module. */
- .dqs[LP4_DQS1] = { 12, 10, 11, 13, 14, 8, 9, 15 },
- /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS2] = { 16, 22, 23, 20, 18, 17, 19, 21 },
- /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS3] = { 30, 28, 29, 25, 24, 26, 27, 31 },
- },
- .phys[LP4_PHYS_CH0B] = {
- /* DQA[0:7] pins of LPDDR4 module. */
- .dqs[LP4_DQS0] = { 7, 3, 5, 2, 6, 0, 1, 4 },
- /* DQA[8:15] pins of LPDDR4 module. */
- .dqs[LP4_DQS1] = { 9, 14, 12, 13, 10, 11, 8, 15 },
- /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS2] = { 20, 22, 23, 16, 19, 17, 18, 21 },
- /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS3] = { 28, 24, 26, 27, 29, 30, 31, 25 },
- },
- .phys[LP4_PHYS_CH1A] = {
- /* DQA[0:7] pins of LPDDR4 module. */
- .dqs[LP4_DQS0] = { 2, 1, 6, 7, 5, 4, 3, 0 },
- /* DQA[8:15] pins of LPDDR4 module. */
- .dqs[LP4_DQS1] = { 11, 10, 8, 9, 12, 15, 13, 14 },
- /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS2] = { 17, 23, 19, 16, 21, 22, 20, 18 },
- /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS3] = { 31, 29, 26, 25, 28, 27, 24, 30 },
- },
- .phys[LP4_PHYS_CH1B] = {
- /* DQA[0:7] pins of LPDDR4 module. */
- .dqs[LP4_DQS0] = { 4, 3, 7, 5, 6, 1, 0, 2 },
- /* DQA[8:15] pins of LPDDR4 module. */
- .dqs[LP4_DQS1] = { 15, 9, 8, 11, 14, 13, 12, 10 },
- /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS2] = { 20, 23, 22, 21, 18, 19, 16, 17 },
- /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
- .dqs[LP4_DQS3] = { 25, 28, 30, 31, 26, 27, 24, 29 },
- },
-};
-
-/*
- * Proto boards didn't have a memory SKU id. The configuration pins use
- * an internal weak pullup with stronger pulldowns for the 0 bits. As
- * proto boards didn't use the memory SKU pins the SKU id reads as 4'b1111,
- * i.e. 15.
- */
-#define PROTO_SKU 15
-
-static const struct lpddr4_sku skus[] = {
- /*
- * K4F6E304HB-MGCJ - both logical channels While the parts
- * are listed at 16Gb there are 2 ranks per channel so indicate
- * the deneisty as 8Gb per rank.
- */
- [0] = {
- .speed = LP4_SPEED_2400,
- .ch0_rank_density = LP4_8Gb_DENSITY,
- .ch1_rank_density = LP4_8Gb_DENSITY,
- .ch0_dual_rank = 1,
- .ch1_dual_rank = 1,
- .part_num = "K4F6E304HB-MGCJ",
- },
- /* K4F8E304HB-MGCJ - both logical channels */
- [1] = {
- .speed = LP4_SPEED_2400,
- .ch0_rank_density = LP4_8Gb_DENSITY,
- .ch1_rank_density = LP4_8Gb_DENSITY,
- .part_num = "K4F8E304HB-MGCJ",
- },
- /*
- * MT53B512M32D2NP-062WT:C - both logical channels. While the parts
- * are listed at 16Gb there are 2 ranks per channel so indicate
- * the deneisty as 8Gb per rank.
- */
- [2] = {
- .speed = LP4_SPEED_2400,
- .ch0_rank_density = LP4_8Gb_DENSITY,
- .ch1_rank_density = LP4_8Gb_DENSITY,
- .ch0_dual_rank = 1,
- .ch1_dual_rank = 1,
- .part_num = "MT53B512M32D2NP",
- .disable_periodic_retraining = 1,
- },
- /* MT53B256M32D1NP-062 WT:C - both logical channels */
- [3] = {
- .speed = LP4_SPEED_2400,
- .ch0_rank_density = LP4_8Gb_DENSITY,
- .ch1_rank_density = LP4_8Gb_DENSITY,
- .part_num = "MT53B256M32D1NP",
- .disable_periodic_retraining = 1,
- },
- /*
- * H9HCNNNBPUMLHR-NLE - both logical channels. While the parts
- * are listed at 16Gb there are 2 ranks per channel so indicate the
- * density as 8Gb per rank.
- */
- [4] = {
- .speed = LP4_SPEED_2400,
- .ch0_rank_density = LP4_8Gb_DENSITY,
- .ch1_rank_density = LP4_8Gb_DENSITY,
- .ch0_dual_rank = 1,
- .ch1_dual_rank = 1,
- .part_num = "H9HCNNNBPUMLHR",
- },
- /* H9HCNNN8KUMLHR-NLE - both logical channels */
- [5] = {
- .speed = LP4_SPEED_2400,
- .ch0_rank_density = LP4_8Gb_DENSITY,
- .ch1_rank_density = LP4_8Gb_DENSITY,
- .part_num = "H9HCNNN8KUMLHR",
- },
- /* K4F8E304HB-MGCH - both logical channels */
- [PROTO_SKU] = {
- .speed = LP4_SPEED_2400,
- .ch0_rank_density = LP4_8Gb_DENSITY,
- .ch1_rank_density = LP4_8Gb_DENSITY,
- .part_num = "K4F8E304HB-MGCH",
- },
-};
-
-static const struct lpddr4_cfg lp4cfg = {
- .skus = skus,
- .num_skus = ARRAY_SIZE(skus),
- .swizzle_config = &board_swizzle,
-};
-
-static int get_mem_sku(void)
-{
- gpio_t pads[] = {
- [3] = MEM_CONFIG3, [2] = MEM_CONFIG2,
- [1] = MEM_CONFIG1, [0] = MEM_CONFIG0,
- };
-
- /*
- * Read memory SKU id with internal pullups enabled to handle
- * proto boards with no SKU id pins.
- */
- return gpio_pullup_base2_value(pads, ARRAY_SIZE(pads));
-}
void mainboard_memory_init_params(FSPM_UPD *memupd)
{
- int mem_sku = get_mem_sku();
-
- meminit_lpddr4_by_sku(&memupd->FspmConfig, &lp4cfg, mem_sku);
+ meminit_lpddr4_by_sku(&memupd->FspmConfig,
+ variant_lpddr4_config(), variant_memory_sku());
}
void mainboard_save_dimm_info(void)
{
- int mem_sku = get_mem_sku();
-
- save_lpddr4_dimm_info(&lp4cfg, mem_sku);
+ save_lpddr4_dimm_info(variant_lpddr4_config(), variant_memory_sku());
}
diff --git a/src/mainboard/google/reef/variants/baseboard/Makefile.inc b/src/mainboard/google/reef/variants/baseboard/Makefile.inc
index a2db09b814..f024c2a799 100644
--- a/src/mainboard/google/reef/variants/baseboard/Makefile.inc
+++ b/src/mainboard/google/reef/variants/baseboard/Makefile.inc
@@ -1,6 +1,7 @@
bootblock-y += gpio.c
romstage-y += boardid.c
+romstage-y += memory.c
ramstage-y += boardid.c
ramstage-y += gpio.c
diff --git a/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h b/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h
index e1883a49c2..84e6a30cf3 100644
--- a/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h
+++ b/src/mainboard/google/reef/variants/baseboard/include/baseboard/variants.h
@@ -17,6 +17,7 @@
#define BASEBOARD_VARIANTS_H
#include <soc/gpio.h>
+#include <soc/meminit.h>
#include <stdint.h>
#include <vendorcode/google/chromeos/chromeos.h>
@@ -29,6 +30,13 @@ const struct pad_config *variant_gpio_table(size_t *num);
const struct pad_config *variant_early_gpio_table(size_t *num);
const struct pad_config *variant_sleep_gpio_table(size_t *num);
+/* Baseboard default swizzle. Can be reused if swizzle is same. */
+extern const struct lpddr4_swizzle_cfg baseboard_lpddr4_swizzle;
+/* Return LPDDR4 configuration structure. */
+const struct lpddr4_cfg *variant_lpddr4_config(void);
+/* Return memory SKU for the board. */
+size_t variant_memory_sku(void);
+
/* Return ChromeOS gpio table and fill in number of entries. */
const struct cros_gpio *variant_cros_gpios(size_t *num);
diff --git a/src/mainboard/google/reef/variants/baseboard/memory.c b/src/mainboard/google/reef/variants/baseboard/memory.c
new file mode 100644
index 0000000000..a5b036437a
--- /dev/null
+++ b/src/mainboard/google/reef/variants/baseboard/memory.c
@@ -0,0 +1,168 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2016 Google Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <baseboard/variants.h>
+#include <gpio.h>
+#include <soc/meminit.h>
+#include <variant/gpio.h>
+
+const struct lpddr4_swizzle_cfg baseboard_lpddr4_swizzle = {
+ /* CH0_DQA[0:31] SoC pins -> U22 LPDDR4 module pins */
+ .phys[LP4_PHYS_CH0A] = {
+ /* DQA[0:7] pins of LPDDR4 module. */
+ .dqs[LP4_DQS0] = { 6, 7, 5, 4, 3, 1, 0, 2 },
+ /* DQA[8:15] pins of LPDDR4 module. */
+ .dqs[LP4_DQS1] = { 12, 10, 11, 13, 14, 8, 9, 15 },
+ /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS2] = { 16, 22, 23, 20, 18, 17, 19, 21 },
+ /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS3] = { 30, 28, 29, 25, 24, 26, 27, 31 },
+ },
+ .phys[LP4_PHYS_CH0B] = {
+ /* DQA[0:7] pins of LPDDR4 module. */
+ .dqs[LP4_DQS0] = { 7, 3, 5, 2, 6, 0, 1, 4 },
+ /* DQA[8:15] pins of LPDDR4 module. */
+ .dqs[LP4_DQS1] = { 9, 14, 12, 13, 10, 11, 8, 15 },
+ /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS2] = { 20, 22, 23, 16, 19, 17, 18, 21 },
+ /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS3] = { 28, 24, 26, 27, 29, 30, 31, 25 },
+ },
+ .phys[LP4_PHYS_CH1A] = {
+ /* DQA[0:7] pins of LPDDR4 module. */
+ .dqs[LP4_DQS0] = { 2, 1, 6, 7, 5, 4, 3, 0 },
+ /* DQA[8:15] pins of LPDDR4 module. */
+ .dqs[LP4_DQS1] = { 11, 10, 8, 9, 12, 15, 13, 14 },
+ /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS2] = { 17, 23, 19, 16, 21, 22, 20, 18 },
+ /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS3] = { 31, 29, 26, 25, 28, 27, 24, 30 },
+ },
+ .phys[LP4_PHYS_CH1B] = {
+ /* DQA[0:7] pins of LPDDR4 module. */
+ .dqs[LP4_DQS0] = { 4, 3, 7, 5, 6, 1, 0, 2 },
+ /* DQA[8:15] pins of LPDDR4 module. */
+ .dqs[LP4_DQS1] = { 15, 9, 8, 11, 14, 13, 12, 10 },
+ /* DQB[0:7] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS2] = { 20, 23, 22, 21, 18, 19, 16, 17 },
+ /* DQB[7:15] pins of LPDDR4 module with offset of 16. */
+ .dqs[LP4_DQS3] = { 25, 28, 30, 31, 26, 27, 24, 29 },
+ },
+};
+
+/*
+ * Proto boards didn't have a memory SKU id. The configuration pins use
+ * an internal weak pullup with stronger pulldowns for the 0 bits. As
+ * proto boards didn't use the memory SKU pins the SKU id reads as 4'b1111,
+ * i.e. 15.
+ */
+#define PROTO_SKU 15
+
+static const struct lpddr4_sku skus[] = {
+ /*
+ * K4F6E304HB-MGCJ - both logical channels While the parts
+ * are listed at 16Gb there are 2 ranks per channel so indicate
+ * the deneisty as 8Gb per rank.
+ */
+ [0] = {
+ .speed = LP4_SPEED_2400,
+ .ch0_rank_density = LP4_8Gb_DENSITY,
+ .ch1_rank_density = LP4_8Gb_DENSITY,
+ .ch0_dual_rank = 1,
+ .ch1_dual_rank = 1,
+ .part_num = "K4F6E304HB-MGCJ",
+ },
+ /* K4F8E304HB-MGCJ - both logical channels */
+ [1] = {
+ .speed = LP4_SPEED_2400,
+ .ch0_rank_density = LP4_8Gb_DENSITY,
+ .ch1_rank_density = LP4_8Gb_DENSITY,
+ .part_num = "K4F8E304HB-MGCJ",
+ },
+ /*
+ * MT53B512M32D2NP-062WT:C - both logical channels. While the parts
+ * are listed at 16Gb there are 2 ranks per channel so indicate
+ * the deneisty as 8Gb per rank.
+ */
+ [2] = {
+ .speed = LP4_SPEED_2400,
+ .ch0_rank_density = LP4_8Gb_DENSITY,
+ .ch1_rank_density = LP4_8Gb_DENSITY,
+ .ch0_dual_rank = 1,
+ .ch1_dual_rank = 1,
+ .part_num = "MT53B512M32D2NP",
+ .disable_periodic_retraining = 1,
+ },
+ /* MT53B256M32D1NP-062 WT:C - both logical channels */
+ [3] = {
+ .speed = LP4_SPEED_2400,
+ .ch0_rank_density = LP4_8Gb_DENSITY,
+ .ch1_rank_density = LP4_8Gb_DENSITY,
+ .part_num = "MT53B256M32D1NP",
+ .disable_periodic_retraining = 1,
+ },
+ /*
+ * H9HCNNNBPUMLHR-NLE - both logical channels. While the parts
+ * are listed at 16Gb there are 2 ranks per channel so indicate the
+ * density as 8Gb per rank.
+ */
+ [4] = {
+ .speed = LP4_SPEED_2400,
+ .ch0_rank_density = LP4_8Gb_DENSITY,
+ .ch1_rank_density = LP4_8Gb_DENSITY,
+ .ch0_dual_rank = 1,
+ .ch1_dual_rank = 1,
+ .part_num = "H9HCNNNBPUMLHR",
+ },
+ /* H9HCNNN8KUMLHR-NLE - both logical channels */
+ [5] = {
+ .speed = LP4_SPEED_2400,
+ .ch0_rank_density = LP4_8Gb_DENSITY,
+ .ch1_rank_density = LP4_8Gb_DENSITY,
+ .part_num = "H9HCNNN8KUMLHR",
+ },
+ /* K4F8E304HB-MGCH - both logical channels */
+ [PROTO_SKU] = {
+ .speed = LP4_SPEED_2400,
+ .ch0_rank_density = LP4_8Gb_DENSITY,
+ .ch1_rank_density = LP4_8Gb_DENSITY,
+ .part_num = "K4F8E304HB-MGCH",
+ },
+};
+
+static const struct lpddr4_cfg lp4cfg = {
+ .skus = skus,
+ .num_skus = ARRAY_SIZE(skus),
+ .swizzle_config = &baseboard_lpddr4_swizzle,
+};
+
+const struct lpddr4_cfg * __attribute__((weak)) variant_lpddr4_config(void)
+{
+ return &lp4cfg;
+}
+
+size_t __attribute__((weak)) variant_memory_sku(void)
+{
+ gpio_t pads[] = {
+ [3] = MEM_CONFIG3, [2] = MEM_CONFIG2,
+ [1] = MEM_CONFIG1, [0] = MEM_CONFIG0,
+ };
+
+ /*
+ * Read memory SKU id with internal pullups enabled to handle
+ * proto boards with no SKU id pins.
+ */
+ return gpio_pullup_base2_value(pads, ARRAY_SIZE(pads));
+}