Push old Amlogic BL2 sourcesHEADmaster

1 files changed, 44 insertions, 0 deletions

diff --git a/plat/gxb/plat_init.c b/plat/gxb/plat_init.c
new file mode 100644
index 0000000..a19e1f7
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+++ b/plat/gxb/plat_init.c
@@ -0,0 +1,44 @@
+
+/*
+ * arch/arm/cpu/armv8/common/firmware/plat/gxb/plat_init.c
+ *
+ * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+*/
+
+#include <io.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <timer.h>
+#include <asm/arch/secure_apb.h>
+
+void pinmux_init(void) {
+	//detect sdio debug board
+	unsigned pinmux_2 = readl(P_PERIPHS_PIN_MUX_2);
+	// clear sdio pinmux
+	setbits_le32(P_PREG_PAD_GPIO2_O,0x3f<<20);
+	setbits_le32(P_PREG_PAD_GPIO2_EN_N,0x3f<<20);
+	clrbits_le32(P_PERIPHS_PIN_MUX_2,7<<12);  //clear sd d1~d3 pinmux
+	if (!(readl(P_PREG_PAD_GPIO2_I)&(1<<24))) {  //sd_d3 low, debug board in
+		clrbits_le32(P_AO_RTI_PIN_MUX_REG,3<<11);   //clear AO uart pinmux
+		setbits_le32(P_PERIPHS_PIN_MUX_8,3<<9);
+		serial_puts("\nsdio debug board detected ");
+	}
+	else{
+		writel(pinmux_2,P_PERIPHS_PIN_MUX_2);
+		serial_puts("\nno sdio debug board detected ");
+	}
+}
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