sunxi: add sun7i cpu, board and start of day support
This patch adds generic board, start of day and basic build system support for
the Allwinner A20 (sun7i) processor. This code will not been compiled until the
build is hooked up in a later patch. It has been split out to keep the patches
manageable.
Signed-off-by: Adam Sampson <ats@offog.org>
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Emilio López <emilio@elopez.com.ar>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Henrik Nordstrom <henrik@henriknordstrom.net>
Signed-off-by: Jens Kuske <jenskuske@gmail.com>
Signed-off-by: Luc Verhaegen <libv@skynet.be>
Signed-off-by: Luke Leighton <lkcl@lkcl.net>
Signed-off-by: Oliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Patrick Wood <patrickhwood@gmail.com>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Wills Wang <wills.wang.open@gmail.com>
Signed-off-by: Ian Campbell <ijc@hellion.org.uk>
Reviewed-by: Marek Vasut <marex@denx.de>
Cc: Tom Cubie <Mr.hipboi@gmail.com>
Reviewed-by: Tom Rini <trini@ti.com>
diff --git a/include/configs/sun7i.h b/include/configs/sun7i.h
new file mode 100644
index 0000000..9b693f7
--- /dev/null
+++ b/include/configs/sun7i.h
@@ -0,0 +1,24 @@
+/*
+ * (C) Copyright 2012-2013 Henrik Nordstrom <henrik@henriknordstrom.net>
+ * (C) Copyright 2013 Luke Kenneth Casson Leighton <lkcl@lkcl.net>
+ *
+ * Configuration settings for the Allwinner A20 (sun7i) CPU
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/*
+ * A20 specific configuration
+ */
+#define CONFIG_SUN7I /* sun7i SoC generation */
+
+#define CONFIG_SYS_PROMPT "sun7i# "
+
+/*
+ * Include common sunxi configuration where most the settings are
+ */
+#include <configs/sunxi-common.h>
+
+#endif /* __CONFIG_H */
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
new file mode 100644
index 0000000..3f7e314
--- /dev/null
+++ b/include/configs/sunxi-common.h
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2012-2012 Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * (C) Copyright 2007-2011
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * Configuration settings for the Allwinner sunxi series of boards.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _SUNXI_COMMON_CONFIG_H
+#define _SUNXI_COMMON_CONFIG_H
+
+/*
+ * High Level Configuration Options
+ */
+#define CONFIG_SUNXI /* sunxi family */
+
+#include <asm/arch/cpu.h> /* get chip and board defs */
+
+#define CONFIG_SYS_TEXT_BASE 0x4a000000
+
+/*
+ * Display CPU information
+ */
+#define CONFIG_DISPLAY_CPUINFO
+
+/* Serial & console */
+#define CONFIG_SYS_NS16550
+#define CONFIG_SYS_NS16550_SERIAL
+/* ns16550 reg in the low bits of cpu reg */
+#define CONFIG_SYS_NS16550_REG_SIZE -4
+#define CONFIG_SYS_NS16550_CLK 24000000
+#define CONFIG_SYS_NS16550_COM1 SUNXI_UART0_BASE
+#define CONFIG_SYS_NS16550_COM2 SUNXI_UART1_BASE
+#define CONFIG_SYS_NS16550_COM3 SUNXI_UART2_BASE
+#define CONFIG_SYS_NS16550_COM4 SUNXI_UART3_BASE
+
+/* DRAM Base */
+#define CONFIG_SYS_SDRAM_BASE 0x40000000
+#define CONFIG_SYS_INIT_RAM_ADDR 0x0
+#define CONFIG_SYS_INIT_RAM_SIZE 0x8000 /* 32 KiB */
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+ (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+ (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+#define CONFIG_NR_DRAM_BANKS 1
+#define PHYS_SDRAM_0 CONFIG_SYS_SDRAM_BASE
+#define PHYS_SDRAM_0_SIZE 0x80000000 /* 2 GiB */
+
+#define CONFIG_CMD_MEMORY
+#define CONFIG_CMD_SETEXPR
+
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_INITRD_TAG
+
+/* 4MB of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (4 << 20))
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_CMD_ECHO
+#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
+#define CONFIG_SYS_PBSIZE 384 /* Print Buffer Size */
+#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
+#define CONFIG_SYS_GENERIC_BOARD
+
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
+
+#define CONFIG_SYS_LOAD_ADDR 0x48000000 /* default load address */
+
+/* standalone support */
+#define CONFIG_STANDALONE_LOAD_ADDR 0x48000000
+
+#define CONFIG_SYS_HZ 1000
+
+/* baudrate */
+#define CONFIG_BAUDRATE 115200
+
+/* The stack sizes are set up in start.S using the settings below */
+#define CONFIG_STACKSIZE (256 << 10) /* 256 KiB */
+
+/* FLASH and environment organization */
+
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_SYS_MONITOR_LEN (512 << 10) /* 512 KiB */
+#define CONFIG_IDENT_STRING " Allwinner Technology"
+
+#define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+ "bootm_size=0x10000000\0"
+
+#define CONFIG_SYS_BOOT_GET_CMDLINE
+
+#include <config_cmd_default.h>
+
+#define CONFIG_FAT_WRITE /* enable write access */
+
+#define CONFIG_SPL_FRAMEWORK
+#define CONFIG_SPL_LIBCOMMON_SUPPORT
+#define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_LIBGENERIC_SUPPORT
+
+#define CONFIG_SPL
+#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/sunxi/u-boot-spl-fel.lds"
+#define CONFIG_SPL_START_S_PATH "arch/arm/cpu/armv7/sunxi"
+#define CONFIG_SPL_TEXT_BASE 0x2000
+#define CONFIG_SPL_MAX_SIZE 0x4000 /* 16 KiB */
+/* end of 32 KiB in sram */
+#define LOW_LEVEL_SRAM_STACK 0x00008000 /* End of sram */
+#define CONFIG_SPL_STACK LOW_LEVEL_SRAM_STACK
+#define CONFIG_SYS_SPL_MALLOC_START 0x4ff00000
+#define CONFIG_SYS_SPL_MALLOC_SIZE 0x00080000 /* 512 KiB */
+
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+
+#define CONFIG_CONS_INDEX 1 /* UART0 */
+
+#if !defined CONFIG_ENV_IS_IN_MMC && \
+ !defined CONFIG_ENV_IS_IN_NAND && \
+ !defined CONFIG_ENV_IS_IN_FAT && \
+ !defined CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_IS_NOWHERE
+#endif
+
+#ifndef CONFIG_SPL_BUILD
+#include <config_distro_defaults.h>
+#endif
+
+#endif /* _SUNXI_COMMON_CONFIG_H */