<p>Tristan Hsieh has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/28438">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">google/kukui: Initialize DRAM from romstage<br><br>Add DRAM support for google kukui.<br><br>BUG=b:80501386<br>BRANCH=none<br>TEST=Boots correctly on Kukui<br><br>Change-Id: I1ed01404343745c883b22a648966327bdcabc5c2<br>Signed-off-by: Huayang Duan <huayang.duan@mediatek.com><br>---<br>M src/mainboard/google/kukui/Makefile.inc<br>M src/mainboard/google/kukui/romstage.c<br>A src/mainboard/google/kukui/sdram_configs.c<br>A src/mainboard/google/kukui/sdram_inf/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.inc<br>4 files changed, 53 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://review.coreboot.org:29418/coreboot refs/changes/38/28438/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/mainboard/google/kukui/Makefile.inc b/src/mainboard/google/kukui/Makefile.inc</span><br><span>index aa6bf11..e077358 100644</span><br><span>--- a/src/mainboard/google/kukui/Makefile.inc</span><br><span>+++ b/src/mainboard/google/kukui/Makefile.inc</span><br><span>@@ -9,6 +9,7 @@</span><br><span> romstage-y += chromeos.c</span><br><span> romstage-y += memlayout.ld</span><br><span> romstage-y += romstage.c</span><br><span style="color: hsl(120, 100%, 40%);">+romstage-y += sdram_configs.c</span><br><span> </span><br><span> ramstage-y += chromeos.c</span><br><span> ramstage-y += mainboard.c</span><br><span>diff --git a/src/mainboard/google/kukui/romstage.c b/src/mainboard/google/kukui/romstage.c</span><br><span>index 9eeaa68..7c5a70d 100644</span><br><span>--- a/src/mainboard/google/kukui/romstage.c</span><br><span>+++ b/src/mainboard/google/kukui/romstage.c</span><br><span>@@ -15,8 +15,10 @@</span><br><span> </span><br><span> #include <arch/stages.h></span><br><span> #include <soc/mmu_operations.h></span><br><span style="color: hsl(120, 100%, 40%);">+#include <soc/emi.h></span><br><span> </span><br><span> void platform_romstage_main(void)</span><br><span> {</span><br><span style="color: hsl(120, 100%, 40%);">+ mt_mem_init(get_sdram_config());</span><br><span> mtk_mmu_after_dram();</span><br><span> }</span><br><span>diff --git a/src/mainboard/google/kukui/sdram_configs.c b/src/mainboard/google/kukui/sdram_configs.c</span><br><span>new file mode 100644</span><br><span>index 0000000..00a38c4</span><br><span>--- /dev/null</span><br><span>+++ b/src/mainboard/google/kukui/sdram_configs.c</span><br><span>@@ -0,0 +1,25 @@</span><br><span style="color: hsl(120, 100%, 40%);">+/*</span><br><span style="color: hsl(120, 100%, 40%);">+ * This file is part of the coreboot project.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * Copyright 2017 MediaTek Inc.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * This program is free software; you can redistribute it and/or modify</span><br><span style="color: hsl(120, 100%, 40%);">+ * it under the terms of the GNU General Public License as published by</span><br><span style="color: hsl(120, 100%, 40%);">+ * the Free Software Foundation; version 2 of the License.</span><br><span style="color: hsl(120, 100%, 40%);">+ *</span><br><span style="color: hsl(120, 100%, 40%);">+ * This program is distributed in the hope that it will be useful,</span><br><span style="color: hsl(120, 100%, 40%);">+ * but WITHOUT ANY WARRANTY; without even the implied warranty of</span><br><span style="color: hsl(120, 100%, 40%);">+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span><br><span style="color: hsl(120, 100%, 40%);">+ * GNU General Public License for more details.</span><br><span style="color: hsl(120, 100%, 40%);">+ */</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+#include <soc/emi.h></span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+static const struct sdram_params sdram_configs[] = {</span><br><span style="color: hsl(120, 100%, 40%);">+#include "sdram_inf/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.inc"</span><br><span style="color: hsl(120, 100%, 40%);">+};</span><br><span style="color: hsl(120, 100%, 40%);">+</span><br><span style="color: hsl(120, 100%, 40%);">+const struct sdram_params *get_sdram_config(void)</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ return &sdram_configs[0];</span><br><span style="color: hsl(120, 100%, 40%);">+}</span><br><span>diff --git a/src/mainboard/google/kukui/sdram_inf/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.inc b/src/mainboard/google/kukui/sdram_inf/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.inc</span><br><span>new file mode 100644</span><br><span>index 0000000..13ac4b8</span><br><span>--- /dev/null</span><br><span>+++ b/src/mainboard/google/kukui/sdram_inf/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.inc</span><br><span>@@ -0,0 +1,25 @@</span><br><span style="color: hsl(120, 100%, 40%);">+{</span><br><span style="color: hsl(120, 100%, 40%);">+ .impedance = {</span><br><span style="color: hsl(120, 100%, 40%);">+ [ODT_OFF] = {0x7, 0x6, 0x0, 0xF},</span><br><span style="color: hsl(120, 100%, 40%);">+ [ODT_ON] = {0x9, 0x9, 0x0, 0xF}</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .wr_level = {</span><br><span style="color: hsl(120, 100%, 40%);">+ [CHANNEL_A] = {{0x22, 0x1b}, {0x22, 0x19}},</span><br><span style="color: hsl(120, 100%, 40%);">+ [CHANNEL_B] = {{0x24, 0x20}, {0x25, 0x20}}</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .cbt_cs = {</span><br><span style="color: hsl(120, 100%, 40%);">+ [CHANNEL_A] = {0x0, 0x0},</span><br><span style="color: hsl(120, 100%, 40%);">+ [CHANNEL_B] = {0x0, 0x0}</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .cbt_mr12 = {</span><br><span style="color: hsl(120, 100%, 40%);">+ [CHANNEL_A] = {0x52, 0x52},</span><br><span style="color: hsl(120, 100%, 40%);">+ [CHANNEL_B] = {0x52, 0x52}</span><br><span style="color: hsl(120, 100%, 40%);">+ },</span><br><span style="color: hsl(120, 100%, 40%);">+ .clk_delay = 0x0,</span><br><span style="color: hsl(120, 100%, 40%);">+ .dqs_delay = {0x1, -2},</span><br><span style="color: hsl(120, 100%, 40%);">+ .EMI_CONA_VAL = 0xF053F154,</span><br><span style="color: hsl(120, 100%, 40%);">+ .EMI_CONH_VAL = 0x44440003,</span><br><span style="color: hsl(120, 100%, 40%);">+ .EMI_CONF_VAL = 0x00421000,</span><br><span style="color: hsl(120, 100%, 40%);">+ .CHN_EMI_CONA_VAL = {0x0444F051, 0x0444F051},</span><br><span style="color: hsl(120, 100%, 40%);">+ .cbt_mode_extern = CBT_NORMAL_MODE,</span><br><span style="color: hsl(120, 100%, 40%);">+},</span><br><span></span><br></pre><p>To view, visit <a href="https://review.coreboot.org/28438">change 28438</a>. 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<div style="display:none"> Gerrit-Project: coreboot </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>
<div style="display:none"> Gerrit-Change-Id: I1ed01404343745c883b22a648966327bdcabc5c2 </div>
<div style="display:none"> Gerrit-Change-Number: 28438 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Tristan Hsieh <tristan.shieh@mediatek.com> </div>