xref: /openbmc/u-boot/include/configs/silk.h (revision f1b1f770)
1 /*
2  * include/configs/silk.h
3  *     This file is silk board configuration.
4  *
5  * Copyright (C) 2015 Renesas Electronics Corporation
6  * Copyright (C) 2015 Cogent Embedded, Inc.
7  *
8  * SPDX-License-Identifier: GPL-2.0
9  */
10 
11 #ifndef __SILK_H
12 #define __SILK_H
13 
14 #undef DEBUG
15 #define CONFIG_ARCH_RMOBILE_BOARD_STRING "Silk"
16 
17 #include "rcar-gen2-common.h"
18 
19 #define CONFIG_SYS_INIT_SP_ADDR		0x4f000000
20 #define STACK_AREA_SIZE			0x00100000
21 #define LOW_LEVEL_MERAM_STACK \
22 		(CONFIG_SYS_INIT_SP_ADDR + STACK_AREA_SIZE - 4)
23 
24 /* MEMORY */
25 #define RCAR_GEN2_SDRAM_BASE		0x40000000
26 #define RCAR_GEN2_SDRAM_SIZE		(1024u * 1024 * 1024)
27 #define RCAR_GEN2_UBOOT_SDRAM_SIZE	(512 * 1024 * 1024)
28 
29 /* FLASH */
30 #define CONFIG_SPI_FLASH_QUAD
31 
32 /* SH Ether */
33 #define CONFIG_SH_ETHER_USE_PORT	0
34 #define CONFIG_SH_ETHER_PHY_ADDR	0x1
35 #define CONFIG_SH_ETHER_PHY_MODE PHY_INTERFACE_MODE_RMII
36 #define CONFIG_SH_ETHER_CACHE_WRITEBACK
37 #define CONFIG_SH_ETHER_CACHE_INVALIDATE
38 #define CONFIG_SH_ETHER_ALIGNE_SIZE	64
39 #define CONFIG_BITBANGMII
40 #define CONFIG_BITBANGMII_MULTI
41 
42 /* Board Clock */
43 #define RMOBILE_XTAL_CLK	20000000u
44 #define CONFIG_SYS_CLK_FREQ	RMOBILE_XTAL_CLK
45 #define CONFIG_SH_TMU_CLK_FREQ	(CONFIG_SYS_CLK_FREQ / 2)
46 
47 #define CONFIG_SYS_TMU_CLK_DIV	4
48 
49 #define CONFIG_EXTRA_ENV_SETTINGS	\
50 	"fdt_high=0xffffffff\0"		\
51 	"initrd_high=0xffffffff\0"
52 
53 /* SPL support */
54 #define CONFIG_SPL_TEXT_BASE		0xe6300000
55 #define CONFIG_SPL_STACK		0xe6340000
56 #define CONFIG_SPL_MAX_SIZE		0x4000
57 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x140000
58 #ifdef CONFIG_SPL_BUILD
59 #define CONFIG_CONS_SCIF2
60 #define CONFIG_SH_SCIF_CLK_FREQ		65000000
61 #endif
62 
63 #endif /* __SILK_H */
64