qca: ipq807x: Adding support for IPQ807x

Added config, dts and initial board support code for ipq807x

Change-Id: If624f806c65467900165781d9b32a6c060990418
Signed-off-by: Manoharan Vijaya Raghavan <mraghava@codeaurora.org>

arch/arm/Kconfig

@@ -421,6 +421,13 @@ config ARCH_EXYNOS
 	select DM_GPIO
 	select DM_KEYBOARD
 
+config ARCH_IPQ807x
+	bool "QCA, IPQ807x"
+	select DM
+	select DM_SERIAL
+	select CPU_V7
+	select SYS_GENERIC_BOARD
+
 config ARCH_S5PC1XX
 	bool "Samsung S5PC1XX"
 	select CPU_V7
@@ -808,6 +815,7 @@ source "board/gumstix/pepper/Kconfig"
 source "board/h2200/Kconfig"
 source "board/hisilicon/hikey/Kconfig"
 source "board/imx31_phycore/Kconfig"
+source "board/ipq807x/Kconfig"
 source "board/isee/igep0033/Kconfig"
 source "board/maxbcm/Kconfig"
 source "board/mpl/vcma9/Kconfig"

arch/arm/cpu/armv7/cache_v7.c

@@ -197,6 +197,7 @@ static void v7_dcache_maint_range(u32 start, u32 stop, u32 range_op)
 {
 	u32 line_len, ccsidr;
 
+	set_csselr(0, ARMV7_CSSELR_IND_DATA_UNIFIED);
 	ccsidr = get_ccsidr();
 	line_len = ((ccsidr & CCSIDR_LINE_SIZE_MASK) >>
 			CCSIDR_LINE_SIZE_OFFSET) + 2;

arch/arm/dts/Makefile

@@ -19,6 +19,9 @@ dtb-$(CONFIG_EXYNOS5) += exynos5250-arndale.dtb \
 	exynos5420-peach-pit.dtb \
 	exynos5800-peach-pi.dtb \
 	exynos5422-odroidxu3.dtb
+
+dtb-$(CONFIG_ARCH_IPQ807x) += ipq807x-hk01.dtb
+
 dtb-$(CONFIG_ARCH_ROCKCHIP) += \
 	rk3288-firefly.dtb \
 	rk3288-jerry.dtb \

arch/arm/dts/ipq807x-hk01.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 "ipq807x-hk01.dtsi"
+/ {
+	model ="QCA, IPQ807x-HK01";
+	compatible = "qca,ipq807x", "qca,ipq807x-hk01";
+
+	aliases {
+		console = "/serial@78b0000";
+	};
+};
+

arch/arm/dts/ipq807x-hk01.dtsi

@@ -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.
+ */
+
+#include "skeleton.dtsi"
+
+/ {
+
+	serial@78b0000 {
+		compatible = "qca,ipq-uartdm";
+		reg = <0x78b0000 0x200>;
+		id = <2>;
+	};
+};
+

board/ipq807x/Kconfig

@@ -0,0 +1,12 @@
+config SYS_CPU
+       default "ipq807x"
+
+config SYS_BOARD
+       default "ipq807x"
+
+config SYS_VENDOR
+       default "qca"
+
+config SYS_CONFIG_NAME
+       default "ipq807x"
+

board/qca/ipq807x/Makefile

@@ -0,0 +1,3 @@
+
+obj-y   := ipq807x.o
+

board/qca/ipq807x/ipq807x.c

@@ -0,0 +1,53 @@
+/*
+ * 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 "ipq807x.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+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);
+}

board/qca/ipq807x/ipq807x.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 _IPQ807X_H_
+#define _IPQ807X_H_
+
+#include <configs/ipq807x.h>
+#include <asm/u-boot.h>
+
+#endif /* _IPQ807X_H_ */

configs/ipq807x_defconfig

@@ -0,0 +1,300 @@
+CONFIG_ARM=y
+CONFIG_HAS_VBAR=y
+CONFIG_CPU_V7=y
+CONFIG_ARCH_IPQ807x=y
+CONFIG_SYS_MALLOC_F_LEN=0x400
+CONFIG_SYS_MALLOC_F=y
+CONFIG_DM_SERIAL=y
+CONFIG_DEFAULT_DEVICE_TREE=""
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_EXPERT=y
+CONFIG_SYS_MALLOC_CLEAR_ON_INIT=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+# CONFIG_FIT_SIGNATURE is not set
+CONFIG_SYS_EXTRA_OPTIONS=""
+CONFIG_SYS_PROMPT="IPQ807x# "
+
+#
+# Commands
+#
+
+#
+# Info commands
+#
+CONFIG_CMD_BDI=y
+CONFIG_CMD_CONSOLE=y
+
+#
+# Boot commands
+#
+# CONFIG_CMD_BOOTD is not set
+CONFIG_CMD_BOOTM=y
+CONFIG_CMD_GO=y
+# CONFIG_CMD_RUN is not set
+# CONFIG_CMD_IMI is not set
+# CONFIG_CMD_IMLS is not set
+# CONFIG_CMD_XIMG is not set
+
+#
+# Environment commands
+#
+CONFIG_CMD_EXPORTENV=y
+CONFIG_CMD_IMPORTENV=y
+CONFIG_CMD_EDITENV=y
+CONFIG_CMD_SAVEENV=y
+CONFIG_CMD_ENV_EXISTS=y
+
+#
+# Memory commands
+#
+CONFIG_CMD_MEMORY=y
+CONFIG_CMD_CRC32=y
+# CONFIG_LOOPW is not set
+# CONFIG_CMD_MEMTEST is not set
+# CONFIG_CMD_MX_CYCLIC is not set
+# CONFIG_CMD_MEMINFO is not set
+
+#
+# Device access commands
+#
+CONFIG_CMD_DM=y
+# CONFIG_CMD_DEMO is not set
+CONFIG_CMD_LOADB=y
+CONFIG_CMD_LOADS=y
+CONFIG_CMD_FLASH=y
+# CONFIG_CMD_NAND is not set
+# CONFIG_CMD_SF is not set
+# CONFIG_CMD_SPI is not set
+# CONFIG_CMD_I2C is not set
+# CONFIG_CMD_USB is not set
+CONFIG_CMD_FPGA=y
+
+#
+# Shell scripting commands
+#
+CONFIG_CMD_ECHO=y
+CONFIG_CMD_ITEST=y
+CONFIG_CMD_SOURCE=y
+CONFIG_CMD_SETEXPR=y
+
+#
+# Network commands
+#
+CONFIG_CMD_NET=y
+# CONFIG_CMD_TFTPPUT is not set
+# CONFIG_CMD_TFTPSRV is not set
+# CONFIG_CMD_RARP is not set
+# CONFIG_CMD_DHCP is not set
+CONFIG_CMD_NFS=y
+# CONFIG_CMD_PING is not set
+# CONFIG_CMD_CDP is not set
+# CONFIG_CMD_SNTP is not set
+# CONFIG_CMD_DNS is not set
+# CONFIG_CMD_LINK_LOCAL is not set
+
+#
+# Misc commands
+#
+# CONFIG_CMD_TIME is not set
+CONFIG_CMD_MISC=y
+# CONFIG_CMD_TIMER is not set
+
+#
+# Boot timing
+#
+# CONFIG_BOOTSTAGE is not set
+CONFIG_BOOTSTAGE_USER_COUNT=20
+CONFIG_BOOTSTAGE_STASH_ADDR=0
+CONFIG_BOOTSTAGE_STASH_SIZE=4096
+
+#
+# Power commands
+#
+
+#
+# Security commands
+#
+CONFIG_SUPPORT_OF_CONTROL=y
+
+#
+# Device Tree Control
+#
+CONFIG_OF_CONTROL=y
+CONFIG_OF_SEPARATE=y
+# CONFIG_OF_EMBED is not set
+CONFIG_NET=y
+# CONFIG_NET_RANDOM_ETHADDR is not set
+# CONFIG_NETCONSOLE is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_DM=y
+CONFIG_DM_WARN=y
+CONFIG_DM_DEVICE_REMOVE=y
+CONFIG_DM_STDIO=y
+CONFIG_DM_SEQ_ALIAS=y
+# CONFIG_REGMAP is not set
+# CONFIG_DEVRES is not set
+CONFIG_SIMPLE_BUS=y
+# CONFIG_CLK is not set
+# CONFIG_CPU is not set
+
+#
+# Hardware crypto devices
+#
+# CONFIG_FSL_CAAM is not set
+
+#
+# Demo for driver model
+#
+# CONFIG_DM_DEMO is not set
+
+#
+# DFU support
+#
+# CONFIG_DFU_TFTP is not set
+
+#
+# GPIO Support
+#
+# CONFIG_LPC32XX_GPIO is not set
+# CONFIG_VYBRID_GPIO is not set
+
+#
+# I2C support
+#
+# CONFIG_DM_I2C_COMPAT is not set
+# CONFIG_CROS_EC_KEYB is not set
+
+#
+# LED Support
+#
+# CONFIG_LED is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_CROS_EC is not set
+# CONFIG_FSL_SEC_MON is not set
+# CONFIG_PCA9551_LED is not set
+# CONFIG_RESET is not set
+
+#
+# MMC Host controller Support
+#
+# CONFIG_DM_MMC is not set
+
+#
+# NAND Device Support
+#
+# CONFIG_NAND_DENALI is not set
+# CONFIG_NAND_VF610_NFC is not set
+# CONFIG_NAND_PXA3XX is not set
+
+#
+# Generic NAND options
+#
+
+#
+# SPI Flash Support
+#
+# CONFIG_SPI_FLASH is not set
+# CONFIG_DM_ETH is not set
+# CONFIG_PHYLIB is not set
+# CONFIG_NETDEVICES is not set
+
+#
+# PCI
+#
+# CONFIG_DM_PCI is not set
+
+#
+# Pin controllers
+#
+# CONFIG_PINCTRL is not set
+
+#
+# Power
+#
+# CONFIG_DM_PMIC is not set
+# CONFIG_DM_REGULATOR is not set
+# CONFIG_RAM is not set
+
+#
+# Real Time Clock
+#
+# CONFIG_DM_RTC is not set
+
+#
+# Serial drivers
+#
+CONFIG_REQUIRE_SERIAL_CONSOLE=y
+# CONFIG_DEBUG_UART is not set
+
+#
+# Sound support
+#
+# CONFIG_SOUND is not set
+
+#
+# SPI Support
+#
+# CONFIG_FSL_ESPI is not set
+# CONFIG_TI_QSPI is not set
+# CONFIG_DM_THERMAL is not set
+
+#
+# TPM support
+#
+# CONFIG_USB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VIDEO_VESA is not set
+# CONFIG_VIDEO_LCD_ANX9804 is not set
+# CONFIG_VIDEO_LCD_SSD2828 is not set
+# CONFIG_DISPLAY_PORT is not set
+# CONFIG_VIDEO_TEGRA124 is not set
+# CONFIG_VIDEO_BRIDGE is not set
+# CONFIG_PHYS_TO_BUS is not set
+
+#
+# File systems
+#
+
+#
+# Library routines
+#
+# CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED is not set
+CONFIG_HAVE_PRIVATE_LIBGCC=y
+# CONFIG_USE_PRIVATE_LIBGCC is not set
+CONFIG_SYS_HZ=1000
+# CONFIG_SYS_VSNPRINTF is not set
+CONFIG_REGEX=y
+# CONFIG_LIB_RAND is not set
+# CONFIG_CMD_DHRYSTONE is not set
+# CONFIG_RSA is not set
+# CONFIG_TPM is not set
+
+#
+# Hashing Support
+#
+# CONFIG_SHA1 is not set
+# CONFIG_SHA256 is not set
+# CONFIG_SHA_HW_ACCEL is not set
+
+#
+# Compression Support
+#
+# CONFIG_LZ4 is not set
+# CONFIG_ERRNO_STR is not set
+# CONFIG_UNIT_TEST is not set

drivers/serial/Makefile

@@ -5,6 +5,7 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
+obj-$(CONFIG_ARCH_IPQ807x_SERIAL) += qcom_uart.o
 ifdef CONFIG_DM_SERIAL
 obj-y += serial-uclass.o
 obj-$(CONFIG_PL01X_SERIAL) += serial_pl01x.o

include/configs/ipq807x.h

@@ -0,0 +1,109 @@
+/*
+ * 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 _IPQCDP_H
+#define _IPQCDP_H
+
+#ifndef DO_DEPS_ONLY
+#include <generated/asm-offsets.h>
+#endif
+
+/*
+ * Disabled for actual chip.
+ * #define CONFIG_RUMI
+ */
+
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_CACHELINE_SIZE   64
+
+#define CONFIG_IPQ807X_UART
+#define CONFIG_NR_DRAM_BANKS            1
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+#define CONFIG_SYS_BOOTM_LEN  0x1000000
+
+#define CONFIG_ENV_SIZE 0x2000
+#define CONFIG_ENV_SIZE_MAX             (256 << 10) /* 256 KB */
+#define CONFIG_SYS_MALLOC_LEN           (CONFIG_ENV_SIZE_MAX + (256 << 10))
+
+#define CONFIG_ENV_IS_NOWHERE 1
+/*
+ * Size of malloc() pool
+ */
+
+#define CONFIG_SYS_TIMER_RATE 32768
+
+/*
+ * select serial console configuration
+ */
+#define CONFIG_CONS_INDEX               1
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_BAUDRATE                 115200
+#define CONFIG_SYS_BAUDRATE_TABLE       {4800, 9600, 19200, 38400, 57600,\
+								115200}
+
+#define CONFIG_SYS_CBSIZE               (512 * 2) /* Console I/O Buffer Size */
+
+/*
+
+          svc_sp     --> --------------
+          irq_sp     --> |            |
+	  fiq_sp     --> |            |
+	  bd         --> |            |
+          gd         --> |            |
+          pgt        --> |            |
+          malloc     --> |            |
+          text_base  --> |------------|
+*/
+
+#define CONFIG_SYS_INIT_SP_ADDR 	(CONFIG_SYS_TEXT_BASE -\
+			CONFIG_SYS_MALLOC_LEN - CONFIG_ENV_SIZE -\
+			GENERATED_BD_INFO_SIZE)
+
+#define CONFIG_SYS_MAXARGS              16
+#define CONFIG_SYS_PBSIZE               (CONFIG_SYS_CBSIZE + \
+						sizeof(CONFIG_SYS_PROMPT) + 16)
+
+#define CONFIG_SYS_SDRAM_BASE           0x80000000
+#define CONFIG_SYS_TEXT_BASE            0x87300000
+#define CONFIG_SYS_SDRAM_SIZE           0x10000000
+#define CONFIG_MAX_RAM_BANK_SIZE        CONFIG_SYS_SDRAM_SIZE
+#define CONFIG_SYS_LOAD_ADDR            (CONFIG_SYS_SDRAM_BASE + (64 << 20))
+
+/*
+ * U-Boot Env Configs
+ */
+#define CONFIG_OF_LIBFDT	1
+
+/* NSS firmware loaded using bootm */
+#define CONFIG_BOOTCOMMAND  "bootm"
+#define CONFIG_BOOTARGS "console=ttyMSM0,115200n8"
+
+#define CONFIG_BOOTDELAY	2
+
+
+#define CONFIG_CMD_BOOTZ
+
+/* L1 cache line size is 64 bytes, L2 cache line size is 128 bytes
+ * Cache flush and invalidation based on L1 cache, so the cache line
+ * size is configured to 64 */
+#define CONFIG_SYS_CACHELINE_SIZE  64
+/*#define CONFIG_SYS_DCACHE_OFF*/
+
+/* Enabling this flag will report any L2 errors.
+ * By default we are disabling it */
+/*#define CONFIG_IPQ_REPORT_L2ERR*/
+
+#endif /* _IPQCDP_H */
+