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-rw-r--r--src/mainboard/intel/harcuvar/romstage.c144
1 files changed, 144 insertions, 0 deletions
diff --git a/src/mainboard/intel/harcuvar/romstage.c b/src/mainboard/intel/harcuvar/romstage.c
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+++ b/src/mainboard/intel/harcuvar/romstage.c
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2017 Intel Corp.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 "harcuvar_boardid.h"
+#include "gpio.h"
+#include "spd/spd.h"
+#include <console/console.h>
+#include <fsp/api.h>
+#include <fsp/soc_binding.h>
+#include <string.h>
+
+#if IS_ENABLED(CONFIG_ENABLE_FSP_MEMORY_DOWN)
+
+/*
+ * Define platform specific Memory Down Configure structure.
+ *
+ * If CONFIG_ENABLE_FSP_MEMORY_DOWN is enabled, the MEMORY_DOWN_CONFIG
+ * structure should be customized to match the design.
+ *
+ * .SlotState indicates the memory down state of the specific channel/DIMM.
+ *
+ * SlotState options:
+ *
+ * STATE_MEMORY_DOWN: Memory down.
+ * STATE_MEMORY_SLOT: Physical memory slot.
+ *
+ * .SpdDataLen should always be MAX_SPD_BYTES/512.
+ *
+ * .SpdDataPtr is pointing to the SPD data structure when memory modules
+ * are memory down.
+ *
+ * SpdDataPtr options:
+ *
+ * Non-NULL: Pointing to SPD data structure.
+ * NULL: Physical memory slot, no SPD data used.
+ *
+ * DIMM Mapping of SlotState & SpdDataPtr:
+ *
+ * {{CH0DIMM0, CH0DIMM1}, {CH1DIMM0, CH1DIMM1}}
+ *
+ * Sample: Channel 0 is memory down and channel 1 is physical slot.
+ *
+ * const MEMORY_DOWN_CONFIG mMemoryDownConfig = {
+ * .SlotState = {
+ * {STATE_MEMORY_DOWN, STATE_MEMORY_DOWN},
+ * {STATE_MEMORY_SLOT, STATE_MEMORY_SLOT}
+ * },
+ * .SpdDataLen = MAX_SPD_BYTES,
+ * .SpdDataPtr = {
+ * {(void *)CONFIG_SPD_LOC, (void *)CONFIG_SPD_LOC},
+ * {(void *)NULL, (void *)NULL}
+ * }
+ * }
+ */
+
+const MEMORY_DOWN_CONFIG mMemoryDownConfig = {
+ .SlotState = {
+ {STATE_MEMORY_SLOT, STATE_MEMORY_SLOT},
+ {STATE_MEMORY_SLOT, STATE_MEMORY_SLOT}
+ },
+ .SpdDataLen = MAX_SPD_BYTES,
+ .SpdDataPtr = {
+ {(void *)NULL, (void *)NULL},
+ {(void *)NULL, (void *)NULL}
+ }
+};
+
+#endif /* CONFIG_ENABLE_FSP_MEMORY_DOWN */
+
+void mainboard_config_gpios(void);
+void mainboard_memory_init_params(FSPM_UPD *mupd);
+
+/*
+* Configure GPIO depend on platform
+*/
+void mainboard_config_gpios(void)
+{
+ size_t num;
+ const struct pad_config *table;
+ uint8_t boardid = board_id();
+
+ /* Configure pads prior to SiliconInit() in case there's any
+ * dependencies during hardware initialization.
+ */
+ switch (boardid) {
+ case BoardIdHarcuvar:
+ table = harcuvar_gpio_table;
+ num = ARRAY_SIZE(harcuvar_gpio_table);
+ break;
+ default:
+ table = NULL;
+ num = 0;
+ break;
+ }
+
+ if ((!table) || (!num)) {
+ printk(BIOS_ERR, "ERROR: No valid GPIO table found!\n");
+ return;
+ }
+
+ printk(BIOS_INFO, "GPIO table: 0x%x, entry num: 0x%x!\n",
+ (uint32_t)table, (uint32_t)num);
+ gpio_configure_pads(table, num);
+}
+
+void mainboard_memory_init_params(FSPM_UPD *mupd)
+{
+#if IS_ENABLED(CONFIG_ENABLE_FSP_MEMORY_DOWN)
+ uint8_t *spd_data_ptr = NULL;
+
+ /* Get SPD data pointer */
+ spd_data_ptr = mainboard_find_spd_data();
+
+ if (spd_data_ptr != NULL) {
+ printk(BIOS_DEBUG, "Memory Down function is enabled!\n");
+
+ /* Enable Memory Down function, set Memory
+ * Down Configure structure pointer.
+ */
+ mupd->FspmConfig.PcdMemoryDown = 1;
+ mupd->FspmConfig.PcdMemoryDownConfigPtr =
+ (uint32_t)&mMemoryDownConfig;
+ } else {
+ printk(BIOS_DEBUG, "Memory Down function is disabled!\n");
+
+ /* Disable Memory Down function */
+ mupd->FspmConfig.PcdMemoryDown = 0;
+ mupd->FspmConfig.PcdMemoryDownConfigPtr = 0;
+ }
+#endif /* CONFIG_ENABLE_FSP_MEMORY_DOWN */
+}