[people/ms/u-boot.git] / include / configs / rpi-common.h

/*
 * (C) Copyright 2012,2015 Stephen Warren
 *
 * SPDX-License-Identifier:	GPL-2.0
 */

#ifndef _RPI_COMMON_H_
#define _RPI_COMMON_H_

#include <linux/sizes.h>

/* Architecture, CPU, etc.*/
#define CONFIG_SYS_GENERIC_BOARD
#define CONFIG_BCM2835
#define CONFIG_ARCH_CPU_INIT
#define CONFIG_SYS_DCACHE_OFF
/*
 * 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
 * so 2708 has historically been used rather than a dedicated 2835 ID.
 *
 * We don't define a machine type for bcm2709/bcm2836 since the RPi Foundation
 * chose to use someone else's previously registered machine ID (3139, MX51_GGC)
 * rather than obtaining a valid ID:-/
 */
#ifndef CONFIG_BCM2836
#define CONFIG_MACH_TYPE		MACH_TYPE_BCM2708
#endif

/* Memory layout */
#define CONFIG_NR_DRAM_BANKS		1
#define CONFIG_SYS_SDRAM_BASE		0x00000000
#define CONFIG_SYS_TEXT_BASE		0x00008000
#define CONFIG_SYS_UBOOT_BASE		CONFIG_SYS_TEXT_BASE
/*
 * The board really has 256M. However, the VC (VideoCore co-processor) shares
 * the RAM, and uses a configurable portion at the top. We tell U-Boot that a
 * smaller amount of RAM is present in order to avoid stomping on the area
 * the VC uses.
 */
#define CONFIG_SYS_SDRAM_SIZE		SZ_128M
#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + \
					 CONFIG_SYS_SDRAM_SIZE - \
					 GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_MALLOC_LEN		SZ_4M
#define CONFIG_SYS_MEMTEST_START	0x00100000
#define CONFIG_SYS_MEMTEST_END		0x00200000
#define CONFIG_LOADADDR			0x00200000

/* Flash */
#define CONFIG_SYS_NO_FLASH

/* Devices */
/* GPIO */
#define CONFIG_BCM2835_GPIO
/* LCD */
#define CONFIG_LCD
#define CONFIG_LCD_DT_SIMPLEFB
#define LCD_BPP				LCD_COLOR16
/*
 * Prevent allocation of RAM for FB; the real FB address is queried
 * dynamically from the VideoCore co-processor, and comes from RAM
 * not owned by the ARM CPU.
 */
#define CONFIG_FB_ADDR			0
#define CONFIG_VIDEO_BCM2835
#define CONFIG_SYS_WHITE_ON_BLACK

/* SD/MMC configuration */
#define CONFIG_GENERIC_MMC
#define CONFIG_MMC
#define CONFIG_SDHCI
#define CONFIG_MMC_SDHCI_IO_ACCESSORS
#define CONFIG_BCM2835_SDHCI

#define CONFIG_CMD_USB
#ifdef CONFIG_CMD_USB
#define CONFIG_USB_DWC2
#ifdef CONFIG_BCM2836
#define CONFIG_USB_DWC2_REG_ADDR 0x3f980000
#else
#define CONFIG_USB_DWC2_REG_ADDR 0x20980000
#endif
#define CONFIG_USB_STORAGE
#define CONFIG_USB_HOST_ETHER
#define CONFIG_USB_ETHER_SMSC95XX
#define CONFIG_MISC_INIT_R
#endif

/* Console UART */
#define CONFIG_PL01X_SERIAL
#define CONFIG_CONS_INDEX		0
#define CONFIG_BAUDRATE			115200

/* Console configuration */
#define CONFIG_SYS_CBSIZE		1024
#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE +		\
					 sizeof(CONFIG_SYS_PROMPT) + 16)

/* Environment */
#define CONFIG_ENV_SIZE			SZ_16K
#define CONFIG_ENV_IS_IN_FAT
#define FAT_ENV_INTERFACE		"mmc"
#define FAT_ENV_DEVICE_AND_PART		"0:1"
#define FAT_ENV_FILE			"uboot.env"
#define CONFIG_FAT_WRITE
#define CONFIG_ENV_VARS_UBOOT_CONFIG
#define CONFIG_SYS_LOAD_ADDR		0x1000000
#define CONFIG_CONSOLE_MUX
#define CONFIG_SYS_CONSOLE_IS_IN_ENV

/* Shell */
#define CONFIG_SYS_MAXARGS		8
#define CONFIG_SYS_PROMPT		"U-Boot> "
#define CONFIG_COMMAND_HISTORY

/* Commands */
#include <config_cmd_default.h>
#define CONFIG_CMD_GPIO
#define CONFIG_CMD_MMC
#define CONFIG_PARTITION_UUIDS
#define CONFIG_CMD_PART

/* Device tree support */
#define CONFIG_OF_BOARD_SETUP
/* ATAGs support for bootm/bootz */
#define CONFIG_SETUP_MEMORY_TAGS
#define CONFIG_CMDLINE_TAG
#define CONFIG_INITRD_TAG

#include <config_distro_defaults.h>

/* Some things don't make sense on this HW or yet */
#undef CONFIG_CMD_FPGA

/* Environment */
#define ENV_DEVICE_SETTINGS \
	"stdin=serial,lcd\0" \
	"stdout=serial,lcd\0" \
	"stderr=serial,lcd\0"

/*
 * Memory layout for where various images get loaded by boot scripts:
 *
 * scriptaddr can be pretty much anywhere that doesn't conflict with something
 *   else. Put it low in memory to avoid conflicts.
 *
 * pxefile_addr_r can be pretty much anywhere that doesn't conflict with
 *   something else. Put it low in memory to avoid conflicts.
 *
 * kernel_addr_r must be within the first 128M of RAM in order for the
 *   kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will
 *   decompress itself to 0x8000 after the start of RAM, kernel_addr_r
 *   should not overlap that area, or the kernel will have to copy itself
 *   somewhere else before decompression. Similarly, the address of any other
 *   data passed to the kernel shouldn't overlap the start of RAM. Pushing
 *   this up to 16M allows for a sizable kernel to be decompressed below the
 *   compressed load address.
 *
 * fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for
 *   the compressed kernel to be up to 16M too.
 *
 * ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows
 *   for the FDT/DTB to be up to 1M, which is hopefully plenty.
 */
#define ENV_MEM_LAYOUT_SETTINGS \
	"scriptaddr=0x00000000\0" \
	"pxefile_addr_r=0x00100000\0" \
	"kernel_addr_r=0x01000000\0" \
	"fdt_addr_r=0x02000000\0" \
	"ramdisk_addr_r=0x02100000\0" \

#define BOOT_TARGET_DEVICES(func) \
	func(MMC, mmc, 0) \
	func(USB, usb, 0) \
	func(PXE, pxe, na) \
	func(DHCP, dhcp, na)
#include <config_distro_bootcmd.h>

#define CONFIG_EXTRA_ENV_SETTINGS \
	ENV_DEVICE_SETTINGS \
	ENV_MEM_LAYOUT_SETTINGS \
	BOOTENV

#define CONFIG_BOOTDELAY 2

#endif
Commit	Line	Data
46414296 SW	1	/*
	2	* (C) Copyright 2012,2015 Stephen Warren
	3	*
	4	* SPDX-License-Identifier: GPL-2.0
	5	*/
	6
	7	#ifndef _RPI_COMMON_H_
	8	#define _RPI_COMMON_H_
	9
	10	#include <linux/sizes.h>
	11
	12	/* Architecture, CPU, etc.*/
	13	#define CONFIG_SYS_GENERIC_BOARD
	14	#define CONFIG_BCM2835
	15	#define CONFIG_ARCH_CPU_INIT
	16	#define CONFIG_SYS_DCACHE_OFF
	17	/*
	18	* 2835 is a SKU in a series for which the 2708 is the first or primary SoC,
	19	* so 2708 has historically been used rather than a dedicated 2835 ID.
	20	*
	21	* We don't define a machine type for bcm2709/bcm2836 since the RPi Foundation
	22	* chose to use someone else's previously registered machine ID (3139, MX51_GGC)
	23	* rather than obtaining a valid ID:-/
	24	*/
	25	#ifndef CONFIG_BCM2836
	26	#define CONFIG_MACH_TYPE MACH_TYPE_BCM2708
	27	#endif
	28
	29	/* Memory layout */
	30	#define CONFIG_NR_DRAM_BANKS 1
	31	#define CONFIG_SYS_SDRAM_BASE 0x00000000
	32	#define CONFIG_SYS_TEXT_BASE 0x00008000
	33	#define CONFIG_SYS_UBOOT_BASE CONFIG_SYS_TEXT_BASE
	34	/*
	35	* The board really has 256M. However, the VC (VideoCore co-processor) shares
	36	* the RAM, and uses a configurable portion at the top. We tell U-Boot that a
	37	* smaller amount of RAM is present in order to avoid stomping on the area
	38	* the VC uses.
	39	*/
	40	#define CONFIG_SYS_SDRAM_SIZE SZ_128M
	41	#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + \
	42	CONFIG_SYS_SDRAM_SIZE - \
	43	GENERATED_GBL_DATA_SIZE)
	44	#define CONFIG_SYS_MALLOC_LEN SZ_4M
	45	#define CONFIG_SYS_MEMTEST_START 0x00100000
	46	#define CONFIG_SYS_MEMTEST_END 0x00200000
	47	#define CONFIG_LOADADDR 0x00200000
	48
	49	/* Flash */
	50	#define CONFIG_SYS_NO_FLASH
	51
	52	/* Devices */
	53	/* GPIO */
	54	#define CONFIG_BCM2835_GPIO
	55	/* LCD */
	56	#define CONFIG_LCD
	57	#define CONFIG_LCD_DT_SIMPLEFB
	58	#define LCD_BPP LCD_COLOR16
	59	/*
	60	* Prevent allocation of RAM for FB; the real FB address is queried
	61	* dynamically from the VideoCore co-processor, and comes from RAM
	62	* not owned by the ARM CPU.
	63	*/
	64	#define CONFIG_FB_ADDR 0
65	#define CONFIG_VIDEO_BCM2835
66	#define CONFIG_SYS_WHITE_ON_BLACK
67
68	/* SD/MMC configuration */
69	#define CONFIG_GENERIC_MMC
70	#define CONFIG_MMC
71	#define CONFIG_SDHCI
72	#define CONFIG_MMC_SDHCI_IO_ACCESSORS
73	#define CONFIG_BCM2835_SDHCI
74
75	#define CONFIG_CMD_USB
76	#ifdef CONFIG_CMD_USB
77	#define CONFIG_USB_DWC2
78	#ifdef CONFIG_BCM2836
79	#define CONFIG_USB_DWC2_REG_ADDR 0x3f980000
80	#else
81	#define CONFIG_USB_DWC2_REG_ADDR 0x20980000
82	#endif
83	#define CONFIG_USB_STORAGE
84	#define CONFIG_USB_HOST_ETHER
85	#define CONFIG_USB_ETHER_SMSC95XX
86	#define CONFIG_MISC_INIT_R
87	#endif
88
89	/* Console UART */
90	#define CONFIG_PL01X_SERIAL
91	#define CONFIG_CONS_INDEX 0
92	#define CONFIG_BAUDRATE 115200
93
94	/* Console configuration */
95	#define CONFIG_SYS_CBSIZE 1024
96	#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
97	sizeof(CONFIG_SYS_PROMPT) + 16)
98
99	/* Environment */
100	#define CONFIG_ENV_SIZE SZ_16K
101	#define CONFIG_ENV_IS_IN_FAT
102	#define FAT_ENV_INTERFACE "mmc"
103	#define FAT_ENV_DEVICE_AND_PART "0:1"
104	#define FAT_ENV_FILE "uboot.env"
105	#define CONFIG_FAT_WRITE
106	#define CONFIG_ENV_VARS_UBOOT_CONFIG
107	#define CONFIG_SYS_LOAD_ADDR 0x1000000
108	#define CONFIG_CONSOLE_MUX
109	#define CONFIG_SYS_CONSOLE_IS_IN_ENV
110
111	/* Shell */
112	#define CONFIG_SYS_MAXARGS 8
113	#define CONFIG_SYS_PROMPT "U-Boot> "
114	#define CONFIG_COMMAND_HISTORY
115
116	/* Commands */
117	#include <config_cmd_default.h>
118	#define CONFIG_CMD_GPIO
119	#define CONFIG_CMD_MMC
120	#define CONFIG_PARTITION_UUIDS
121	#define CONFIG_CMD_PART
122
123	/* Device tree support */
124	#define CONFIG_OF_BOARD_SETUP
125	/* ATAGs support for bootm/bootz */
126	#define CONFIG_SETUP_MEMORY_TAGS
127	#define CONFIG_CMDLINE_TAG
128	#define CONFIG_INITRD_TAG
129
130	#include <config_distro_defaults.h>
131
132	/* Some things don't make sense on this HW or yet */
133	#undef CONFIG_CMD_FPGA
134
135	/* Environment */
136	#define ENV_DEVICE_SETTINGS \
137	"stdin=serial,lcd\0" \
138	"stdout=serial,lcd\0" \
139	"stderr=serial,lcd\0"
140
141	/*
142	* Memory layout for where various images get loaded by boot scripts:
143	*
144	* scriptaddr can be pretty much anywhere that doesn't conflict with something
145	* else. Put it low in memory to avoid conflicts.
146	*
147	* pxefile_addr_r can be pretty much anywhere that doesn't conflict with
148	* something else. Put it low in memory to avoid conflicts.
149	*
150	* kernel_addr_r must be within the first 128M of RAM in order for the
151	* kernel's CONFIG_AUTO_ZRELADDR option to work. Since the kernel will
152	* decompress itself to 0x8000 after the start of RAM, kernel_addr_r
153	* should not overlap that area, or the kernel will have to copy itself
154	* somewhere else before decompression. Similarly, the address of any other
155	* data passed to the kernel shouldn't overlap the start of RAM. Pushing
156	* this up to 16M allows for a sizable kernel to be decompressed below the
157	* compressed load address.
158	*
159	* fdt_addr_r simply shouldn't overlap anything else. Choosing 32M allows for
160	* the compressed kernel to be up to 16M too.
161	*
162	* ramdisk_addr_r simply shouldn't overlap anything else. Choosing 33M allows
163	* for the FDT/DTB to be up to 1M, which is hopefully plenty.
164	*/
165	#define ENV_MEM_LAYOUT_SETTINGS \
166	"scriptaddr=0x00000000\0" \
167	"pxefile_addr_r=0x00100000\0" \
168	"kernel_addr_r=0x01000000\0" \
169	"fdt_addr_r=0x02000000\0" \
170	"ramdisk_addr_r=0x02100000\0" \
171
172	#define BOOT_TARGET_DEVICES(func) \
173	func(MMC, mmc, 0) \
174	func(USB, usb, 0) \
175	func(PXE, pxe, na) \
176	func(DHCP, dhcp, na)
177	#include <config_distro_bootcmd.h>
178
179	#define CONFIG_EXTRA_ENV_SETTINGS \
180	ENV_DEVICE_SETTINGS \
181	ENV_MEM_LAYOUT_SETTINGS \
182	BOOTENV
183
184	#define CONFIG_BOOTDELAY 2
185
186	#endif