1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (C) 2011 Andes Technology Corporation
4  * Shawn Lin, Andes Technology Corporation <nobuhiro@andestech.com>
5  * Macpaul Lin, Andes Technology Corporation <macpaul@andestech.com>
6  */
7 
8 #ifndef __CONFIG_H
9 #define __CONFIG_H
10 
11 #include <asm/arch-ae3xx/ae3xx.h>
12 
13 /*
14  * CPU and Board Configuration Options
15  */
16 #define CONFIG_USE_INTERRUPT
17 
18 #define CONFIG_SKIP_LOWLEVEL_INIT
19 
20 #define CONFIG_SKIP_TRUNOFF_WATCHDOG
21 
22 #define CONFIG_ARCH_MAP_SYSMEM
23 
24 #define CONFIG_BOOTP_SERVERIP
25 
26 #ifdef CONFIG_SKIP_LOWLEVEL_INIT
27 #ifdef CONFIG_OF_CONTROL
28 #undef CONFIG_OF_SEPARATE
29 #define CONFIG_OF_EMBED
30 #endif
31 #endif
32 
33 /*
34  * Timer
35  */
36 #define CONFIG_SYS_CLK_FREQ	39062500
37 #define VERSION_CLOCK		CONFIG_SYS_CLK_FREQ
38 
39 /*
40  * Use Externel CLOCK or PCLK
41  */
42 #undef CONFIG_FTRTC010_EXTCLK
43 
44 #ifndef CONFIG_FTRTC010_EXTCLK
45 #define CONFIG_FTRTC010_PCLK
46 #endif
47 
48 #ifdef CONFIG_FTRTC010_EXTCLK
49 #define TIMER_CLOCK	32768			/* CONFIG_FTRTC010_EXTCLK */
50 #else
51 #define TIMER_CLOCK	CONFIG_SYS_HZ		/* CONFIG_FTRTC010_PCLK */
52 #endif
53 
54 #define TIMER_LOAD_VAL	0xffffffff
55 
56 /*
57  * Real Time Clock
58  */
59 #define CONFIG_RTC_FTRTC010
60 
61 /*
62  * Real Time Clock Divider
63  * RTC_DIV_COUNT			(OSC_CLK/OSC_5MHZ)
64  */
65 #define OSC_5MHZ			(5*1000000)
66 #define OSC_CLK				(4*OSC_5MHZ)
67 #define RTC_DIV_COUNT			(0.5)	/* Why?? */
68 
69 /*
70  * Serial console configuration
71  */
72 
73 /* FTUART is a high speed NS 16C550A compatible UART, addr: 0x99600000 */
74 #define CONFIG_SYS_NS16550_SERIAL
75 #define CONFIG_SYS_NS16550_COM1		CONFIG_FTUART010_02_BASE
76 #ifndef CONFIG_DM_SERIAL
77 #define CONFIG_SYS_NS16550_REG_SIZE	-4
78 #endif
79 #define CONFIG_SYS_NS16550_CLK		((18432000 * 20) / 25)	/* AG101P */
80 
81 /*
82  * Miscellaneous configurable options
83  */
84 
85 /*
86  * Size of malloc() pool
87  */
88 /* 512kB is suggested, (CONFIG_ENV_SIZE + 128 * 1024) was not enough */
89 #define CONFIG_SYS_MALLOC_LEN		(512 << 10)
90 
91 /*
92  * Physical Memory Map
93  */
94 #define PHYS_SDRAM_0	0x00000000  /* SDRAM Bank #1 */
95 
96 #define PHYS_SDRAM_1 \
97 	(PHYS_SDRAM_0 + PHYS_SDRAM_0_SIZE)	/* SDRAM Bank #2 */
98 
99 #define PHYS_SDRAM_0_SIZE	0x20000000	/* 512 MB */
100 #define PHYS_SDRAM_1_SIZE	0x20000000	/* 512 MB */
101 
102 #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_0
103 
104 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + 0xA0000 - \
105 					GENERATED_GBL_DATA_SIZE)
106 
107 /*
108  * Load address and memory test area should agree with
109  * arch/nds32/config.mk. Be careful not to overwrite U-Boot itself.
110  */
111 #define CONFIG_SYS_LOAD_ADDR		0x300000
112 
113 /* memtest works on 63 MB in DRAM */
114 
115 /*
116  * Static memory controller configuration
117  */
118 #define CONFIG_FTSMC020
119 
120 #ifdef CONFIG_FTSMC020
121 #include <faraday/ftsmc020.h>
122 
123 #define CONFIG_SYS_FTSMC020_CONFIGS	{			\
124 	{ FTSMC020_BANK0_CONFIG, FTSMC020_BANK0_TIMING, },	\
125 	{ FTSMC020_BANK1_CONFIG, FTSMC020_BANK1_TIMING, },	\
126 }
127 
128 #ifndef CONFIG_SKIP_LOWLEVEL_INIT	/* FLASH is on BANK 0 */
129 #define FTSMC020_BANK0_LOWLV_CONFIG	(FTSMC020_BANK_ENABLE	|	\
130 					 FTSMC020_BANK_SIZE_32M	|	\
131 					 FTSMC020_BANK_MBW_32)
132 
133 #define FTSMC020_BANK0_LOWLV_TIMING	(FTSMC020_TPR_RBE	|	\
134 					 FTSMC020_TPR_AST(1)	|	\
135 					 FTSMC020_TPR_CTW(1)	|	\
136 					 FTSMC020_TPR_ATI(1)	|	\
137 					 FTSMC020_TPR_AT2(1)	|	\
138 					 FTSMC020_TPR_WTC(1)	|	\
139 					 FTSMC020_TPR_AHT(1)	|	\
140 					 FTSMC020_TPR_TRNA(1))
141 #endif
142 
143 /*
144  * FLASH on ADP_AG101P is connected to BANK0
145  * Just disalbe the other BANK to avoid detection error.
146  */
147 #define FTSMC020_BANK0_CONFIG	(FTSMC020_BANK_ENABLE             |	\
148 				 FTSMC020_BANK_BASE(PHYS_FLASH_1) |	\
149 				 FTSMC020_BANK_SIZE_32M           |	\
150 				 FTSMC020_BANK_MBW_32)
151 
152 #define FTSMC020_BANK0_TIMING	(FTSMC020_TPR_AST(3)   |	\
153 				 FTSMC020_TPR_CTW(3)   |	\
154 				 FTSMC020_TPR_ATI(0xf) |	\
155 				 FTSMC020_TPR_AT2(3)   |	\
156 				 FTSMC020_TPR_WTC(3)   |	\
157 				 FTSMC020_TPR_AHT(3)   |	\
158 				 FTSMC020_TPR_TRNA(0xf))
159 
160 #define FTSMC020_BANK1_CONFIG	(0x00)
161 #define FTSMC020_BANK1_TIMING	(0x00)
162 #endif /* CONFIG_FTSMC020 */
163 
164 /*
165  * FLASH and environment organization
166  */
167 /* use CFI framework */
168 
169 #define CONFIG_SYS_FLASH_CFI_WIDTH	FLASH_CFI_16BIT
170 #define CONFIG_SYS_CFI_FLASH_STATUS_POLL
171 
172 /* support JEDEC */
173 #ifdef CONFIG_CFI_FLASH
174 #define CONFIG_SYS_MAX_FLASH_BANKS_DETECT	1
175 #endif
176 
177 /* Do not use CONFIG_FLASH_CFI_LEGACY to detect on board flash */
178 #define PHYS_FLASH_1			0x88000000	/* BANK 0 */
179 #define CONFIG_SYS_FLASH_BASE		PHYS_FLASH_1
180 #define CONFIG_SYS_FLASH_BANKS_LIST	{ PHYS_FLASH_1, }
181 #define CONFIG_SYS_MONITOR_BASE		PHYS_FLASH_1
182 
183 #define CONFIG_SYS_FLASH_ERASE_TOUT	120000	/* TO for Flash Erase (ms) */
184 #define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* TO for Flash Write (ms) */
185 
186 /* max number of memory banks */
187 /*
188  * There are 4 banks supported for this Controller,
189  * but we have only 1 bank connected to flash on board
190  */
191 #ifndef CONFIG_SYS_MAX_FLASH_BANKS_DETECT
192 #define CONFIG_SYS_MAX_FLASH_BANKS	1
193 #endif
194 #define CONFIG_SYS_FLASH_BANKS_SIZES {0x4000000}
195 
196 /* max number of sectors on one chip */
197 #define CONFIG_FLASH_SECTOR_SIZE	(0x10000*2)
198 #define CONFIG_SYS_MAX_FLASH_SECT	512
199 
200 /* environments */
201 
202 
203 /* SPI FLASH */
204 
205 /*
206  * For booting Linux, the board info and command line data
207  * have to be in the first 16 MB of memory, since this is
208  * the maximum mapped by the Linux kernel during initialization.
209  */
210 
211 /* Initial Memory map for Linux*/
212 #define CONFIG_SYS_BOOTMAPSZ	(64 << 20)
213 /* Increase max gunzip size */
214 #define CONFIG_SYS_BOOTM_LEN	(64 << 20)
215 
216 #endif	/* __CONFIG_H */
217