warmboot: add ram config

exosphere/lp0fw/src/emc.c

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2018 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "utils.h"
+#include "lp0.h"
+#include "emc.h"
+#include "pmc.h"
+#include "timer.h"
+
+void emc_configure_pmacro_training(void) {
+    /* Set DISABLE_CFG_BYTEN for all N. */
+    EMC_PMACRO_CFG_PM_GLOBAL_0_0 = 0xFF0000;
+    
+    /* Set CHN_TRAINING_E_WRPTR for channel 0 + channel 1. */
+    EMC_PMACRO_TRAINING_CTRL_0_0 = 8;
+    EMC_PMACRO_TRAINING_CTRL_1_0 = 8;
+    
+    /* Clear DISABLE_CFG_BYTEN for all N. */
+    EMC_PMACRO_CFG_PM_GLOBAL_0_0 = 0x0;
+}