1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * CI20 configuration
4  *
5  * Copyright (c) 2013 Imagination Technologies
6  * Author: Paul Burton <paul.burton@imgtec.com>
7  */
8 
9 #ifndef __CONFIG_CI20_H__
10 #define __CONFIG_CI20_H__
11 
12 #define CONFIG_SKIP_LOWLEVEL_INIT
13 
14 /* Ingenic JZ4780 clock configuration. */
15 #define CONFIG_SYS_HZ			1000
16 #define CONFIG_SYS_MHZ			1200
17 #define CONFIG_SYS_MIPS_TIMER_FREQ	(CONFIG_SYS_MHZ * 1000000)
18 
19 /* Memory configuration */
20 #define CONFIG_SYS_MONITOR_LEN		(512 * 1024)
21 #define CONFIG_SYS_MALLOC_LEN		(64 * 1024 * 1024)
22 #define CONFIG_SYS_BOOTPARAMS_LEN	(128 * 1024)
23 
24 #define CONFIG_SYS_SDRAM_BASE		0x80000000 /* cached (KSEG0) address */
25 #define CONFIG_SYS_INIT_SP_OFFSET	0x400000
26 #define CONFIG_SYS_LOAD_ADDR		0x81000000
27 #define CONFIG_LOADADDR			CONFIG_SYS_LOAD_ADDR
28 
29 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_TEXT_BASE
30 
31 /* NS16550-ish UARTs */
32 #define CONFIG_SYS_NS16550_CLK		48000000
33 #define CONFIG_SYS_CONSOLE_IS_IN_ENV
34 
35 /* Ethernet: davicom DM9000 */
36 #define CONFIG_DRIVER_DM9000		1
37 #define CONFIG_DM9000_BASE		0xb6000000
38 #define DM9000_IO			CONFIG_DM9000_BASE
39 #define DM9000_DATA			(CONFIG_DM9000_BASE + 2)
40 
41 #define CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
42 #define CONFIG_SYS_MAXARGS	32		/* Max number of command args */
43 #define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
44 						/* Boot argument buffer size */
45 #define CONFIG_VERSION_VARIABLE			/* U-BOOT version */
46 
47 /* Miscellaneous configuration options */
48 #define CONFIG_SYS_BOOTM_LEN		(64 << 20)
49 
50 /* SPL */
51 #define CONFIG_SPL_STACK		0xf4008000 /* only max. 2KB spare! */
52 
53 #define CONFIG_SPL_MAX_SIZE		((14 * 1024) - 0xa00)
54 
55 #define CONFIG_SPL_BSS_START_ADDR	0xf4004000
56 #define CONFIG_SPL_BSS_MAX_SIZE		0x00002000 /* 512KB, arbitrary */
57 
58 #define CONFIG_SPL_START_S_PATH		"arch/mips/mach-jz47xx"
59 
60 #define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x1c	/* 14 KiB offset */
61 
62 #endif /* __CONFIG_CI20_H__ */
63