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 */