qca:ipq806x: Adding board support code for ipq806x

Added dts and initial board support for ipq806x.

Change-Id: I33992413905a0399ea3d6dfbd606c8e7ec30b6bf
Signed-off-by: Aditya Kumar Patra S <apatr@codeaurora.org>

arch/arm/cpu/armv7/qca/ipq806x/Kconfig

@@ -0,0 +1,3 @@
+config ARCH_IPQ806x
+	bool "QCA IPQ806x SPECIFIC IPs"
+

arch/arm/cpu/armv7/qca/ipq806x/Makefile

@@ -0,0 +1,4 @@
+ccflags-y += -I$(srctree)/board/qca/ipq806x/
+
+obj-y	+= clock.o
+obj-y	+= gpio.o

arch/arm/dts/ipq806x-ap148.dts

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. 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 version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+/dts-v1/;
+#include "ipq806x-soc.dtsi"
+/ {
+	model ="QCA, IPQ806x-AK01";
+	compatible = "qca,ipq806x", "qca,ipq806x-ak01";
+	machid = <0x00000000>;
+	aliases {
+		console = "/serial@16340000";
+	};
+};
+

arch/arm/dts/ipq806x-soc.dtsi

@@ -0,0 +1,34 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. 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 version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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 "skeleton.dtsi"
+
+/ {
+
+	serial@16340000 {
+		compatible = "qca,ipq-uartdm";
+		reg = <0x16340000 0x200>;
+		gsbi_base = <0x16300000>;
+		id = <2>;
+		bit_rate = <0xCC>;
+	};
+
+	timer {
+		gcnt_en = <0x0200A00C>;
+		gcnt_cnt = <0x0200A008>;
+		gpt_freq_hz = <32000>;
+		timer_load_val = <0x00FFFFFF 0xFFFFFFFF>;
+	};
+
+};
+

board/ipq806x/Kconfig

@@ -0,0 +1,15 @@
+if ARCH_IPQ806x
+
+config SYS_CPU
+	default "ipq806x"
+
+config SYS_BOARD
+	default "ipq806x"
+
+config SYS_VENDOR
+	default "qca"
+
+config SYS_CONFIG_NAME
+	default "ipq806x"
+
+endif

board/qca/ipq806x/Makefile

@@ -0,0 +1,3 @@
+
+obj-y   := ipq806x.o
+

board/qca/ipq806x/ipq806x.c

@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. 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 version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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 <common.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <environment.h>
+
+#include "ipq806x.h"
+#include "../common/qca_common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+qca_mmc mmc_host;
+
+void enable_caches(void)
+{
+	icache_enable();
+}
+
+void disable_caches(void)
+{
+	icache_disable();
+}
+
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+	gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
+	return 0;
+}
+
+unsigned long timer_read_counter(void)
+{
+	return 0;
+}
+
+void reset_cpu(unsigned long a)
+{
+	while(1);
+}
+void emmc_clock_config(int mode)
+{
+	/* TODO: To be filled */
+}
+int board_mmc_init(bd_t *bis)
+{
+	int ret;
+
+	mmc_host.base = MSM_SDC1_BASE;
+	mmc_host.clk_mode = MMC_IDENTIFY_MODE;
+	emmc_clock_config(mmc_host.clk_mode);
+
+	ret = qca_mmc_init(bis, &mmc_host);
+
+	return ret;
+}
+

board/qca/ipq806x/ipq806x.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2016, The Linux Foundation. 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 version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * 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.
+ */
+
+#ifndef _IPQ806X_H_
+#define _IPQ806X_H_
+
+#include <configs/ipq806x.h>
+#include <asm/u-boot.h>
+
+#endif /* _IPQ806X_H_ */