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1/*
2 * ti_armv7_common.h
3 *
4 * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com/
5 *
6 * SPDX-License-Identifier: GPL-2.0+
7 *
8 * The various ARMv7 SoCs from TI all share a number of IP blocks when
9 * implementing a given feature. Rather than define these in every
10 * board or even SoC common file, we define a common file to be re-used
11 * in all cases. While technically true that some of these details are
12 * configurable at the board design, they are common throughout SoC
13 * reference platforms as well as custom designs and become de facto
14 * standards.
15 */
16
17#ifndef __CONFIG_TI_ARMV7_COMMON_H__
18#define __CONFIG_TI_ARMV7_COMMON_H__
19
20/* Common define for many platforms. */
0dd54619 21#define CONFIG_SYS_GENERIC_BOARD
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22
23/*
24 * We typically do not contain NOR flash. In the cases where we do, we
25 * undefine this later.
26 */
27#define CONFIG_SYS_NO_FLASH
28
29/* Support both device trees and ATAGs. */
30#define CONFIG_OF_LIBFDT
31#define CONFIG_CMDLINE_TAG
32#define CONFIG_SETUP_MEMORY_TAGS
33#define CONFIG_INITRD_TAG
34
35/*
36 * Our DDR memory always starts at 0x80000000 and U-Boot shall have
37 * relocated itself to higher in memory by the time this value is used.
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38 * However, set this to a 32MB offset to allow for easier Linux kernel
39 * booting as the default is often used as the kernel load address.
87694558 40 */
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41#define CONFIG_SYS_LOAD_ADDR 0x82000000
42
43/*
44 * We setup defaults based on constraints from the Linux kernel, which should
45 * also be safe elsewhere. We have the default load at 32MB into DDR (for
46 * the kernel), FDT above 128MB (the maximum location for the end of the
47 * kernel), and the ramdisk 512KB above that (allowing for hopefully never
48 * seen large trees). We say all of this must be within the first 256MB
49 * as that will normally be within the kernel lowmem and thus visible via
50 * bootm_size and we only run on platforms with 256MB or more of memory.
51 */
52#define DEFAULT_LINUX_BOOT_ENV \
53 "loadaddr=0x82000000\0" \
54 "kernel_addr_r=0x82000000\0" \
55 "fdtaddr=0x88000000\0" \
56 "fdt_addr_r=0x88000000\0" \
57 "rdaddr=0x88080000\0" \
58 "ramdisk_addr_r=0x88080000\0" \
59 "bootm_size=0x10000000\0"
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60
61#define DEFAULT_MMC_TI_ARGS \
62 "mmcdev=0\0" \
63 "mmcrootfstype=ext4 rootwait\0" \
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64 "finduuid=part uuid mmc 0:2 uuid\0" \
65 "args_mmc=run finduuid;setenv bootargs console=${console} " \
85d17be3 66 "${optargs} " \
437bc42e 67 "root=PARTUUID=${uuid} rw " \
85d17be3 68 "rootfstype=${mmcrootfstype}\0"
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69
70/*
71 * Default to a quick boot delay.
72 */
73#define CONFIG_BOOTDELAY 1
74
75/*
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76 * DDR information. If the CONFIG_NR_DRAM_BANKS is not defined,
77 * we say (for simplicity) that we have 1 bank, always, even when
78 * we have more. We always start at 0x80000000, and we place the
79 * initial stack pointer in our SRAM. Otherwise, we can define
80 * CONFIG_NR_DRAM_BANKS before including this file.
87694558 81 */
c6a7fce1 82#ifndef CONFIG_NR_DRAM_BANKS
87694558 83#define CONFIG_NR_DRAM_BANKS 1
c6a7fce1 84#endif
87694558 85#define CONFIG_SYS_SDRAM_BASE 0x80000000
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86
87#ifndef CONFIG_SYS_INIT_SP_ADDR
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88#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
89 GENERATED_GBL_DATA_SIZE)
e07cff11 90#endif
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91
92/* Timer information. */
93#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
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94
95/* I2C IP block */
96#define CONFIG_I2C
1dd44e5a 97#define CONFIG_CMD_I2C
6789e84e 98#define CONFIG_SYS_I2C
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99
100/* MMC/SD IP block */
101#define CONFIG_MMC
102#define CONFIG_GENERIC_MMC
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103#define CONFIG_CMD_MMC
104
105/* McSPI IP block */
106#define CONFIG_SPI
0fedc4a5 107#define CONFIG_CMD_SPI
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108
109/* GPIO block */
a1665ed1 110#define CONFIG_CMD_GPIO
87694558 111
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112/*
113 * The following are general good-enough settings for U-Boot. We set a
114 * large malloc pool as we generally have a lot of DDR, and we opt for
115 * function over binary size in the main portion of U-Boot as this is
116 * generally easily constrained later if needed. We enable the config
117 * options that give us information in the environment about what board
118 * we are on so we do not need to rely on the command prompt. We set a
119 * console baudrate of 115200 and use the default baud rate table.
120 */
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121#ifdef CONFIG_DFU_MMC
122#define CONFIG_SYS_MALLOC_LEN ((16 << 20) + CONFIG_SYS_DFU_DATA_BUF_SIZE)
123#else
124#define CONFIG_SYS_MALLOC_LEN (16 << 20)
125#endif
87694558 126#define CONFIG_SYS_HUSH_PARSER
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127#define CONFIG_SYS_CONSOLE_INFO_QUIET
128#define CONFIG_BAUDRATE 115200
129#define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */
130#define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */
131
132/* As stated above, the following choices are optional. */
133#define CONFIG_SYS_LONGHELP
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134#define CONFIG_AUTO_COMPLETE
135#define CONFIG_CMDLINE_EDITING
87694558 136#define CONFIG_VERSION_VARIABLE
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137
138/* We set the max number of command args high to avoid HUSH bugs. */
139#define CONFIG_SYS_MAXARGS 64
140
141/* Console I/O Buffer Size */
142#define CONFIG_SYS_CBSIZE 512
143/* Print Buffer Size */
144#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
145 + sizeof(CONFIG_SYS_PROMPT) + 16)
146/* Boot Argument Buffer Size */
147#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
148
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149/*
150 * When we have SPI, NOR or NAND flash we expect to be making use of
151 * mtdparts, both for ease of use in U-Boot and for passing information
152 * on to the Linux kernel.
153 */
e07cff11 154#if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) || defined(CONFIG_NAND_DAVINCI)
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155#define CONFIG_MTD_DEVICE /* Required for mtdparts */
156#define CONFIG_CMD_MTDPARTS
157#endif
158
87694558 159#define CONFIG_CMD_ASKENV
87694558 160#define CONFIG_CMD_BOOTZ
6440b807 161#define CONFIG_SUPPORT_RAW_INITRD
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162
163/*
164 * Common filesystems support. When we have removable storage we
165 * enabled a number of useful commands and support.
166 */
167#if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
168#define CONFIG_DOS_PARTITION
169#define CONFIG_CMD_FAT
170#define CONFIG_FAT_WRITE
171#define CONFIG_CMD_EXT2
172#define CONFIG_CMD_EXT4
173#define CONFIG_CMD_FS_GENERIC
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174#define CONFIG_PARTITION_UUIDS
175#define CONFIG_CMD_PART
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176#endif
177
178/*
179 * Our platforms make use of SPL to initalize the hardware (primarily
180 * memory) enough for full U-Boot to be loaded. We also support Falcon
181 * Mode so that the Linux kernel can be booted directly from SPL
182 * instead, if desired. We make use of the general SPL framework found
183 * under common/spl/. Given our generally common memory map, we set a
184 * number of related defaults and sizes here.
185 */
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186#if !defined(CONFIG_NOR_BOOT) && \
187 !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
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188#define CONFIG_SPL_FRAMEWORK
189#define CONFIG_SPL_OS_BOOT
190
191/*
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192 * Place the image at the start of the ROM defined image space (per
193 * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
194 * downloaded image area. We initalize DRAM as soon as we can so that
195 * we can place stack, malloc and BSS there. We load U-Boot itself into
196 * memory at 0x80800000 for legacy reasons (to not conflict with older
197 * SPLs). We have our BSS be placed 2MiB after this, to allow for the
198 * default Linux kernel address of 0x80008000 to work with most sized
199 * kernels, in the Falcon Mode case. We have the SPL malloc pool at the
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200 * end of the BSS area. We suggest that the stack be placed at 32MiB after
201 * the start of DRAM to allow room for all of the above (handled in Kconfig).
87694558 202 */
df4dbb5d 203#ifndef CONFIG_SYS_TEXT_BASE
87694558 204#define CONFIG_SYS_TEXT_BASE 0x80800000
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205#endif
206#ifndef CONFIG_SPL_BSS_START_ADDR
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207#define CONFIG_SPL_BSS_START_ADDR 0x80a00000
208#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
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209#endif
210#ifndef CONFIG_SYS_SPL_MALLOC_START
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211#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
212 CONFIG_SPL_BSS_MAX_SIZE)
213#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
df4dbb5d 214#endif
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215
216/* RAW SD card / eMMC locations. */
217#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
218#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
219
220/* FAT sd card locations. */
e2ccdf89 221#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
205b4f33 222#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
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223
224#ifdef CONFIG_SPL_OS_BOOT
87694558 225/* FAT */
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226#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
227#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"
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228
229/* RAW SD card / eMMC */
230#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
231#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
232#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
233
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234/* spl export command */
235#define CONFIG_CMD_SPL
236#endif
237
238#ifdef CONFIG_MMC
a7142dd0 239#define CONFIG_SPL_LIBDISK_SUPPORT
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240#define CONFIG_SPL_MMC_SUPPORT
241#define CONFIG_SPL_FAT_SUPPORT
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242#define CONFIG_SPL_EXT_SUPPORT
243#endif
244
7f2f44da 245#define CONFIG_SYS_THUMB_BUILD
87694558 246
a7142dd0 247/* General parts of the framework, required. */
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248#define CONFIG_SPL_I2C_SUPPORT
249#define CONFIG_SPL_LIBCOMMON_SUPPORT
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250#define CONFIG_SPL_LIBGENERIC_SUPPORT
251#define CONFIG_SPL_SERIAL_SUPPORT
d6fc0cef 252#define CONFIG_SPL_POWER_SUPPORT
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253#define CONFIG_SPL_GPIO_SUPPORT
254#define CONFIG_SPL_BOARD_INIT
255
256#ifdef CONFIG_NAND
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257#define CONFIG_SPL_NAND_SUPPORT
258#define CONFIG_SPL_NAND_BASE
259#define CONFIG_SPL_NAND_DRIVERS
260#define CONFIG_SPL_NAND_ECC
6dd3b566 261#define CONFIG_SPL_MTD_SUPPORT
87694558 262#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
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263#endif
264#endif /* !CONFIG_NOR_BOOT */
265
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266/* Generic Environment Variables */
267
268#ifdef CONFIG_CMD_NET
269#define NETARGS \
270 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
271 "::off\0" \
272 "nfsopts=nolock\0" \
273 "rootpath=/export/rootfs\0" \
274 "netloadimage=tftp ${loadaddr} ${bootfile}\0" \
275 "netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
276 "netargs=setenv bootargs console=${console} " \
277 "${optargs} " \
278 "root=/dev/nfs " \
279 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
280 "ip=dhcp\0" \
281 "netboot=echo Booting from network ...; " \
282 "setenv autoload no; " \
283 "dhcp; " \
284 "run netloadimage; " \
285 "run netloadfdt; " \
286 "run netargs; " \
287 "bootz ${loadaddr} - ${fdtaddr}\0"
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288#else
289#define NETARGS ""
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290#endif
291
87694558 292#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */