nds32: Support AE3XX platform.

Support Andestech AE3xx platform: serial, timer device tree flow.

Signed-off-by: rick <rick@andestech.com>
diff --git a/include/configs/adp-ae3xx.h b/include/configs/adp-ae3xx.h
new file mode 100644
index 0000000..edc742d
--- /dev/null
+++ b/include/configs/adp-ae3xx.h
@@ -0,0 +1,260 @@
+/*
+ * Copyright (C) 2011 Andes Technology Corporation
+ * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
+ * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include <asm/arch-ae3xx/ae3xx.h>
+
+/*
+ * CPU and Board Configuration Options
+ */
+#define CONFIG_USE_INTERRUPT
+
+#define CONFIG_SKIP_LOWLEVEL_INIT
+
+#define CONFIG_SKIP_TRUNOFF_WATCHDOG
+
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_PANIC_HANG
+
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_DCACHE_OFF
+
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_BOOTP_SERVERIP
+
+#ifdef CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_TEXT_BASE	0x00500000
+#ifdef CONFIG_OF_CONTROL
+#undef CONFIG_OF_SEPARATE
+#define CONFIG_OF_EMBED
+#endif
+#else
+
+#define CONFIG_SYS_TEXT_BASE	0x80000000
+#endif
+
+/*
+ * Timer
+ */
+#define CONFIG_SYS_CLK_FREQ	39062500
+#define VERSION_CLOCK		CONFIG_SYS_CLK_FREQ
+
+/*
+ * Use Externel CLOCK or PCLK
+ */
+#undef CONFIG_FTRTC010_EXTCLK
+
+#ifndef CONFIG_FTRTC010_EXTCLK
+#define CONFIG_FTRTC010_PCLK
+#endif
+
+#ifdef CONFIG_FTRTC010_EXTCLK
+#define TIMER_CLOCK	32768			/* CONFIG_FTRTC010_EXTCLK */
+#else
+#define TIMER_CLOCK	CONFIG_SYS_HZ		/* CONFIG_FTRTC010_PCLK */
+#endif
+
+#define TIMER_LOAD_VAL	0xffffffff
+
+/*
+ * Real Time Clock
+ */
+#define CONFIG_RTC_FTRTC010
+
+/*
+ * Real Time Clock Divider
+ * RTC_DIV_COUNT			(OSC_CLK/OSC_5MHZ)
+ */
+#define OSC_5MHZ			(5*1000000)
+#define OSC_CLK				(4*OSC_5MHZ)
+#define RTC_DIV_COUNT			(0.5)	/* Why?? */
+
+/*
+ * Serial console configuration
+ */
+
+/* FTUART is a high speed NS 16C550A compatible UART, addr: 0x99600000 */
+#define CONFIG_CONS_INDEX		1
+#define CONFIG_SYS_NS16550_SERIAL
+#define CONFIG_SYS_NS16550_COM1		CONFIG_FTUART010_02_BASE
+#ifndef CONFIG_DM_SERIAL
+#define CONFIG_SYS_NS16550_REG_SIZE	-4
+#endif
+#define CONFIG_SYS_NS16550_CLK		((18432000 * 20) / 25)	/* AG101P */
+
+/*
+ * Ethernet
+ */
+#define CONFIG_FTMAC100
+
+/*
+ * SD (MMC) controller
+ */
+#define CONFIG_FTSDC010
+#define CONFIG_FTSDC010_NUMBER		1
+#define CONFIG_FTSDC010_SDIO
+
+/*
+ * Miscellaneous configurable options
+ */
+#define CONFIG_SYS_LONGHELP			/* undef to save memory */
+#define CONFIG_SYS_CBSIZE	256		/* Console I/O Buffer Size */
+
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE	\
+	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* max number of command args */
+#define CONFIG_SYS_MAXARGS	16
+
+/* Boot Argument Buffer Size */
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+
+/*
+ * Size of malloc() pool
+ */
+/* 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough */
+#define CONFIG_SYS_MALLOC_LEN		(512 << 10)
+
+/*
+ * Physical Memory Map
+ */
+#define PHYS_SDRAM_0	0x00000000  /* SDRAM Bank #1 */
+
+#define PHYS_SDRAM_1 \
+	(PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)	/* SDRAM Bank #2 */
+
+#define CONFIG_NR_DRAM_BANKS	2		/* we have 2 bank of DRAM */
+
+#define PHYS_SDRAM_0_SIZE	0x20000000	/* 512 MB */
+#define PHYS_SDRAM_1_SIZE	0x20000000	/* 512 MB */
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_0
+
+#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + 0xA0000 - \
+					GENERATED_GBL_DATA_SIZE)
+
+/*
+ * Load address and memory test area should agree with
+ * arch/nds32/config.mk. Be careful not to overwrite U-Boot itself.
+ */
+#define CONFIG_SYS_LOAD_ADDR		0x300000
+
+/* memtest works on 63 MB in DRAM */
+#define CONFIG_SYS_MEMTEST_START	PHYS_SDRAM_0
+#define CONFIG_SYS_MEMTEST_END		(PHYS_SDRAM_0 + 0x03F00000)
+
+/*
+ * Static memory controller configuration
+ */
+#define CONFIG_FTSMC020
+
+#ifdef CONFIG_FTSMC020
+#include <faraday/ftsmc020.h>
+
+#define CONFIG_SYS_FTSMC020_CONFIGS	{			\
+	{ FTSMC020_BANK0_CONFIG, FTSMC020_BANK0_TIMING, },	\
+	{ FTSMC020_BANK1_CONFIG, FTSMC020_BANK1_TIMING, },	\
+}
+
+#ifndef CONFIG_SKIP_LOWLEVEL_INIT	/* FLASH is on BANK 0 */
+#define FTSMC020_BANK0_LOWLV_CONFIG	(FTSMC020_BANK_ENABLE	|	\
+					 FTSMC020_BANK_SIZE_32M	|	\
+					 FTSMC020_BANK_MBW_32)
+
+#define FTSMC020_BANK0_LOWLV_TIMING	(FTSMC020_TPR_RBE	|	\
+					 FTSMC020_TPR_AST(1)	|	\
+					 FTSMC020_TPR_CTW(1)	|	\
+					 FTSMC020_TPR_ATI(1)	|	\
+					 FTSMC020_TPR_AT2(1)	|	\
+					 FTSMC020_TPR_WTC(1)	|	\
+					 FTSMC020_TPR_AHT(1)	|	\
+					 FTSMC020_TPR_TRNA(1))
+#endif
+
+/*
+ * FLASH on ADP_AG101P is connected to BANK0
+ * Just disalbe the other BANK to avoid detection error.
+ */
+#define FTSMC020_BANK0_CONFIG	(FTSMC020_BANK_ENABLE             |	\
+				 FTSMC020_BANK_BASE(PHYS_FLASH_1) |	\
+				 FTSMC020_BANK_SIZE_32M           |	\
+				 FTSMC020_BANK_MBW_32)
+
+#define FTSMC020_BANK0_TIMING	(FTSMC020_TPR_AST(3)   |	\
+				 FTSMC020_TPR_CTW(3)   |	\
+				 FTSMC020_TPR_ATI(0xf) |	\
+				 FTSMC020_TPR_AT2(3)   |	\
+				 FTSMC020_TPR_WTC(3)   |	\
+				 FTSMC020_TPR_AHT(3)   |	\
+				 FTSMC020_TPR_TRNA(0xf))
+
+#define FTSMC020_BANK1_CONFIG	(0x00)
+#define FTSMC020_BANK1_TIMING	(0x00)
+#endif /* CONFIG_FTSMC020 */
+
+/*
+ * FLASH and environment organization
+ */
+/* use CFI framework */
+#define CONFIG_SYS_FLASH_CFI
+#define CONFIG_FLASH_CFI_DRIVER
+
+#define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
+#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
+#define CONFIG_SYS_CFI_FLASH_STATUS_POLL
+
+/* support JEDEC */
+#ifdef CONFIG_CFI_FLASH
+#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT	1
+#endif
+
+/* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
+#define PHYS_FLASH_1			0x88000000	/* BANK 0 */
+#define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
+#define CONFIG_SYS_FLASH_BANKS_LIST	{ PHYS_FLASH_1, }
+#define CONFIG_SYS_MONITOR_BASE		PHYS_FLASH_1
+
+#define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* TO for Flash Erase (ms) */
+#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* TO for Flash Write (ms) */
+
+/* max number of memory banks */
+/*
+ * There are 4 banks supported for this Controller,
+ * but we have only 1 bank connected to flash on board
+ */
+#ifndef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
+#define CONFIG_SYS_MAX_FLASH_BANKS	1
+#endif
+#define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
+
+/* max number of sectors on one chip */
+#define CONFIG_FLASH_SECTOR_SIZE	(0x10000*2)
+#define CONFIG_ENV_SECT_SIZE		CONFIG_FLASH_SECTOR_SIZE
+#define CONFIG_SYS_MAX_FLASH_SECT	512
+
+/* environments */
+#define CONFIG_ENV_IS_IN_FLASH
+#define CONFIG_ENV_ADDR			(CONFIG_SYS_MONITOR_BASE + 0x140000)
+#define CONFIG_ENV_SIZE			8192
+#define CONFIG_ENV_OVERWRITE
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 16 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+
+/* Initial Memory map for Linux*/
+#define CONFIG_SYS_BOOTMAPSZ	(64 << 20)
+/* Increase max gunzip size */
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)
+
+#endif	/* __CONFIG_H */
diff --git a/include/configs/adp-ag101p.h b/include/configs/adp-ag101p.h
index 106b591..bc122d3 100644
--- a/include/configs/adp-ag101p.h
+++ b/include/configs/adp-ag101p.h
@@ -20,12 +20,13 @@
 
 #define CONFIG_SKIP_LOWLEVEL_INIT
 
-/*
- * Definitions related to passing arguments to kernel.
- */
-#define CONFIG_CMDLINE_TAG			/* send commandline to Kernel */
-#define CONFIG_SETUP_MEMORY_TAGS	/* send memory definition to kernel */
-#define CONFIG_INITRD_TAG			/* send initrd params */
+#define CONFIG_CMDLINE_EDITING
+
+#define CONFIG_SYS_ICACHE_OFF
+#define CONFIG_SYS_DCACHE_OFF
+
+#define CONFIG_BOOTP_SEND_HOSTNAME
+#define CONFIG_BOOTP_SERVERIP
 
 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
 #define CONFIG_MEM_REMAP
@@ -99,7 +100,6 @@
  */
 #define CONFIG_FTMAC100
 
-
 /*
  * SD (MMC) controller
  */
@@ -352,7 +352,9 @@
  * There are 4 banks supported for this Controller,
  * but we have only 1 bank connected to flash on board
  */
+#ifndef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
 #define CONFIG_SYS_MAX_FLASH_BANKS	1
+#endif
 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
 
 /* max number of sectors on one chip */
@@ -366,4 +368,15 @@
 #define CONFIG_ENV_SIZE			8192
 #define CONFIG_ENV_OVERWRITE
 
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 16 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+
+/* Initial Memory map for Linux*/
+#define CONFIG_SYS_BOOTMAPSZ	(64 << 20)
+/* Increase max gunzip size */
+#define CONFIG_SYS_BOOTM_LEN	(64 << 20)
+
 #endif	/* __CONFIG_H */