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Tom Rini87694552013-08-09 11:22:17 -04001/*
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
Tom Rini87694552013-08-09 11:22:17 -040020/*
21 * We typically do not contain NOR flash. In the cases where we do, we
22 * undefine this later.
23 */
24#define CONFIG_SYS_NO_FLASH
25
26/* Support both device trees and ATAGs. */
Tom Rini87694552013-08-09 11:22:17 -040027#define CONFIG_CMDLINE_TAG
28#define CONFIG_SETUP_MEMORY_TAGS
29#define CONFIG_INITRD_TAG
30
31/*
32 * Our DDR memory always starts at 0x80000000 and U-Boot shall have
33 * relocated itself to higher in memory by the time this value is used.
Tom Rinifb3ad9b2014-03-28 15:03:29 -040034 * However, set this to a 32MB offset to allow for easier Linux kernel
35 * booting as the default is often used as the kernel load address.
Tom Rini87694552013-08-09 11:22:17 -040036 */
Tom Rinifb3ad9b2014-03-28 15:03:29 -040037#define CONFIG_SYS_LOAD_ADDR 0x82000000
38
39/*
40 * We setup defaults based on constraints from the Linux kernel, which should
41 * also be safe elsewhere. We have the default load at 32MB into DDR (for
42 * the kernel), FDT above 128MB (the maximum location for the end of the
43 * kernel), and the ramdisk 512KB above that (allowing for hopefully never
44 * seen large trees). We say all of this must be within the first 256MB
45 * as that will normally be within the kernel lowmem and thus visible via
46 * bootm_size and we only run on platforms with 256MB or more of memory.
47 */
48#define DEFAULT_LINUX_BOOT_ENV \
49 "loadaddr=0x82000000\0" \
50 "kernel_addr_r=0x82000000\0" \
51 "fdtaddr=0x88000000\0" \
52 "fdt_addr_r=0x88000000\0" \
53 "rdaddr=0x88080000\0" \
54 "ramdisk_addr_r=0x88080000\0" \
Sjoerd Simons7749b672015-08-28 15:01:55 +020055 "scriptaddr=0x80000000\0" \
56 "pxefile_addr_r=0x80100000\0" \
Tom Rinifb3ad9b2014-03-28 15:03:29 -040057 "bootm_size=0x10000000\0"
Tom Rini87694552013-08-09 11:22:17 -040058
Lokesh Vutla85d17be2015-08-28 13:35:07 +053059#define DEFAULT_MMC_TI_ARGS \
60 "mmcdev=0\0" \
61 "mmcrootfstype=ext4 rootwait\0" \
B, Ravi65eac4c2016-06-03 20:44:02 +053062 "finduuid=part uuid mmc ${bootpart} uuid\0" \
Lokesh Vutla437bc422015-08-28 13:35:08 +053063 "args_mmc=run finduuid;setenv bootargs console=${console} " \
Lokesh Vutla85d17be2015-08-28 13:35:07 +053064 "${optargs} " \
Lokesh Vutla437bc422015-08-28 13:35:08 +053065 "root=PARTUUID=${uuid} rw " \
Lokesh Vutla18c534b2016-03-09 15:39:35 +053066 "rootfstype=${mmcrootfstype}\0" \
67 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
68 "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
69 "source ${loadaddr}\0" \
70 "bootenvfile=uEnv.txt\0" \
71 "importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
72 "env import -t ${loadaddr} ${filesize}\0" \
73 "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenvfile}\0" \
74 "envboot=mmc dev ${mmcdev}; " \
75 "if mmc rescan; then " \
76 "echo SD/MMC found on device ${mmcdev};" \
77 "if run loadbootscript; then " \
78 "run bootscript;" \
79 "else " \
80 "if run loadbootenv; then " \
81 "echo Loaded env from ${bootenvfile};" \
82 "run importbootenv;" \
83 "fi;" \
84 "if test -n $uenvcmd; then " \
85 "echo Running uenvcmd ...;" \
86 "run uenvcmd;" \
87 "fi;" \
88 "fi;" \
89 "fi;\0" \
Lokesh Vutla85d17be2015-08-28 13:35:07 +053090
Tom Rini87694552013-08-09 11:22:17 -040091/*
Enric Balletbò i Serrac6a7fce2013-12-06 21:30:21 +010092 * DDR information. If the CONFIG_NR_DRAM_BANKS is not defined,
93 * we say (for simplicity) that we have 1 bank, always, even when
94 * we have more. We always start at 0x80000000, and we place the
95 * initial stack pointer in our SRAM. Otherwise, we can define
96 * CONFIG_NR_DRAM_BANKS before including this file.
Tom Rini87694552013-08-09 11:22:17 -040097 */
Enric Balletbò i Serrac6a7fce2013-12-06 21:30:21 +010098#ifndef CONFIG_NR_DRAM_BANKS
Tom Rini87694552013-08-09 11:22:17 -040099#define CONFIG_NR_DRAM_BANKS 1
Enric Balletbò i Serrac6a7fce2013-12-06 21:30:21 +0100100#endif
Tom Rini87694552013-08-09 11:22:17 -0400101#define CONFIG_SYS_SDRAM_BASE 0x80000000
Nishanth Menone07cff12015-07-22 18:05:45 -0500102
103#ifndef CONFIG_SYS_INIT_SP_ADDR
Tom Rini87694552013-08-09 11:22:17 -0400104#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
105 GENERATED_GBL_DATA_SIZE)
Nishanth Menone07cff12015-07-22 18:05:45 -0500106#endif
Tom Rini87694552013-08-09 11:22:17 -0400107
108/* Timer information. */
109#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
Tom Rini87694552013-08-09 11:22:17 -0400110
111/* I2C IP block */
112#define CONFIG_I2C
Heiko Schocher6789e842013-10-22 11:03:18 +0200113#define CONFIG_SYS_I2C
Tom Rini87694552013-08-09 11:22:17 -0400114
115/* MMC/SD IP block */
116#define CONFIG_MMC
117#define CONFIG_GENERIC_MMC
Tom Rini87694552013-08-09 11:22:17 -0400118
119/* McSPI IP block */
120#define CONFIG_SPI
Tom Rini87694552013-08-09 11:22:17 -0400121
122/* GPIO block */
Tom Rini87694552013-08-09 11:22:17 -0400123
124/*
Tom Rini87694552013-08-09 11:22:17 -0400125 * The following are general good-enough settings for U-Boot. We set a
126 * large malloc pool as we generally have a lot of DDR, and we opt for
127 * function over binary size in the main portion of U-Boot as this is
128 * generally easily constrained later if needed. We enable the config
129 * options that give us information in the environment about what board
130 * we are on so we do not need to rely on the command prompt. We set a
131 * console baudrate of 115200 and use the default baud rate table.
132 */
Przemyslaw Marczakb648a7892015-03-04 14:01:29 +0100133#ifdef CONFIG_DFU_MMC
134#define CONFIG_SYS_MALLOC_LEN ((16 << 20) + CONFIG_SYS_DFU_DATA_BUF_SIZE)
135#else
136#define CONFIG_SYS_MALLOC_LEN (16 << 20)
137#endif
Tom Rini1dd44e52013-08-20 08:53:49 -0400138#define CONFIG_SYS_CONSOLE_INFO_QUIET
139#define CONFIG_BAUDRATE 115200
140#define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */
141#define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */
142
143/* As stated above, the following choices are optional. */
144#define CONFIG_SYS_LONGHELP
Tom Rini87694552013-08-09 11:22:17 -0400145#define CONFIG_AUTO_COMPLETE
146#define CONFIG_CMDLINE_EDITING
Tom Rini87694552013-08-09 11:22:17 -0400147#define CONFIG_VERSION_VARIABLE
Tom Rini87694552013-08-09 11:22:17 -0400148
149/* We set the max number of command args high to avoid HUSH bugs. */
150#define CONFIG_SYS_MAXARGS 64
151
152/* Console I/O Buffer Size */
153#define CONFIG_SYS_CBSIZE 512
154/* Print Buffer Size */
155#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
156 + sizeof(CONFIG_SYS_PROMPT) + 16)
157/* Boot Argument Buffer Size */
158#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
159
Tom Rini87694552013-08-09 11:22:17 -0400160/*
161 * When we have SPI, NOR or NAND flash we expect to be making use of
162 * mtdparts, both for ease of use in U-Boot and for passing information
163 * on to the Linux kernel.
164 */
Nishanth Menone07cff12015-07-22 18:05:45 -0500165#if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) || defined(CONFIG_NAND_DAVINCI)
Tom Rini87694552013-08-09 11:22:17 -0400166#define CONFIG_MTD_DEVICE /* Required for mtdparts */
167#define CONFIG_CMD_MTDPARTS
168#endif
169
Guillaume GARDET6440b802014-11-03 14:26:17 +0100170#define CONFIG_SUPPORT_RAW_INITRD
Tom Rini87694552013-08-09 11:22:17 -0400171
172/*
173 * Common filesystems support. When we have removable storage we
174 * enabled a number of useful commands and support.
175 */
176#if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
177#define CONFIG_DOS_PARTITION
Tom Rini87694552013-08-09 11:22:17 -0400178#define CONFIG_FAT_WRITE
Nishanth Menon5b782e32014-12-18 14:32:14 -0600179#define CONFIG_PARTITION_UUIDS
180#define CONFIG_CMD_PART
Tom Rini87694552013-08-09 11:22:17 -0400181#endif
182
183/*
184 * Our platforms make use of SPL to initalize the hardware (primarily
185 * memory) enough for full U-Boot to be loaded. We also support Falcon
186 * Mode so that the Linux kernel can be booted directly from SPL
187 * instead, if desired. We make use of the general SPL framework found
188 * under common/spl/. Given our generally common memory map, we set a
189 * number of related defaults and sizes here.
190 */
Sourav Poddar7a5f71b2014-05-19 16:53:37 -0400191#if !defined(CONFIG_NOR_BOOT) && \
192 !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
Tom Rini87694552013-08-09 11:22:17 -0400193#define CONFIG_SPL_FRAMEWORK
194#define CONFIG_SPL_OS_BOOT
195
196/*
Tom Rini865813e2014-07-18 11:51:32 -0400197 * Place the image at the start of the ROM defined image space (per
198 * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
199 * downloaded image area. We initalize DRAM as soon as we can so that
200 * we can place stack, malloc and BSS there. We load U-Boot itself into
201 * memory at 0x80800000 for legacy reasons (to not conflict with older
202 * SPLs). We have our BSS be placed 2MiB after this, to allow for the
203 * default Linux kernel address of 0x80008000 to work with most sized
204 * kernels, in the Falcon Mode case. We have the SPL malloc pool at the
Simon Glass7ae83502015-03-03 08:03:02 -0700205 * end of the BSS area. We suggest that the stack be placed at 32MiB after
206 * the start of DRAM to allow room for all of the above (handled in Kconfig).
Tom Rini87694552013-08-09 11:22:17 -0400207 */
Tom Rinidf4dbb52014-04-03 15:17:15 -0400208#ifndef CONFIG_SYS_TEXT_BASE
Tom Rini87694552013-08-09 11:22:17 -0400209#define CONFIG_SYS_TEXT_BASE 0x80800000
Tom Rinidf4dbb52014-04-03 15:17:15 -0400210#endif
211#ifndef CONFIG_SPL_BSS_START_ADDR
Tom Rini87694552013-08-09 11:22:17 -0400212#define CONFIG_SPL_BSS_START_ADDR 0x80a00000
213#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
Tom Rinidf4dbb52014-04-03 15:17:15 -0400214#endif
215#ifndef CONFIG_SYS_SPL_MALLOC_START
Tom Rini87694552013-08-09 11:22:17 -0400216#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
217 CONFIG_SPL_BSS_MAX_SIZE)
218#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
Tom Rinidf4dbb52014-04-03 15:17:15 -0400219#endif
Tom Rini87694552013-08-09 11:22:17 -0400220
221/* RAW SD card / eMMC locations. */
Tom Rinif1883572016-05-02 08:49:53 -0400222#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
223#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
Tom Rini87694552013-08-09 11:22:17 -0400224
225/* FAT sd card locations. */
Paul Kocialkowskie2ccdf82014-11-08 23:14:55 +0100226#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
Guillaume GARDET205b4f32014-10-15 17:53:11 +0200227#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
Tom Rini87694552013-08-09 11:22:17 -0400228
229#ifdef CONFIG_SPL_OS_BOOT
Tom Rini87694552013-08-09 11:22:17 -0400230/* FAT */
Guillaume GARDET205b4f32014-10-15 17:53:11 +0200231#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
232#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"
Tom Rini87694552013-08-09 11:22:17 -0400233
234/* RAW SD card / eMMC */
235#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
236#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
237#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
238
Tom Rini87694552013-08-09 11:22:17 -0400239/* spl export command */
240#define CONFIG_CMD_SPL
241#endif
242
243#ifdef CONFIG_MMC
Tom Rinia7142dd2013-08-20 08:53:44 -0400244#define CONFIG_SPL_LIBDISK_SUPPORT
Tom Rini87694552013-08-09 11:22:17 -0400245#define CONFIG_SPL_MMC_SUPPORT
246#define CONFIG_SPL_FAT_SUPPORT
Guillaume GARDETbd2c4522015-06-16 15:00:09 +0200247#define CONFIG_SPL_EXT_SUPPORT
248#endif
249
Nishanth Menon7f2f44d2015-07-22 18:05:42 -0500250#define CONFIG_SYS_THUMB_BUILD
Tom Rini87694552013-08-09 11:22:17 -0400251
Tom Rinia7142dd2013-08-20 08:53:44 -0400252/* General parts of the framework, required. */
Tom Rini87694552013-08-09 11:22:17 -0400253#define CONFIG_SPL_I2C_SUPPORT
254#define CONFIG_SPL_LIBCOMMON_SUPPORT
Tom Rini87694552013-08-09 11:22:17 -0400255#define CONFIG_SPL_LIBGENERIC_SUPPORT
256#define CONFIG_SPL_SERIAL_SUPPORT
Paul Kocialkowskid6fc0ce2015-07-02 00:20:25 +0200257#define CONFIG_SPL_POWER_SUPPORT
Tom Rini87694552013-08-09 11:22:17 -0400258#define CONFIG_SPL_GPIO_SUPPORT
259#define CONFIG_SPL_BOARD_INIT
260
261#ifdef CONFIG_NAND
Tom Rini87694552013-08-09 11:22:17 -0400262#define CONFIG_SPL_NAND_SUPPORT
263#define CONFIG_SPL_NAND_BASE
264#define CONFIG_SPL_NAND_DRIVERS
265#define CONFIG_SPL_NAND_ECC
Tom Rini6dd3b562014-03-28 12:03:36 -0400266#define CONFIG_SPL_MTD_SUPPORT
Tom Rini87694552013-08-09 11:22:17 -0400267#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
Tom Rini87694552013-08-09 11:22:17 -0400268#endif
269#endif /* !CONFIG_NOR_BOOT */
270
Cooper Jr., Franklin23208662015-04-21 07:51:04 -0500271/* Generic Environment Variables */
272
273#ifdef CONFIG_CMD_NET
274#define NETARGS \
275 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
276 "::off\0" \
277 "nfsopts=nolock\0" \
278 "rootpath=/export/rootfs\0" \
279 "netloadimage=tftp ${loadaddr} ${bootfile}\0" \
280 "netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
281 "netargs=setenv bootargs console=${console} " \
282 "${optargs} " \
283 "root=/dev/nfs " \
284 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
285 "ip=dhcp\0" \
286 "netboot=echo Booting from network ...; " \
287 "setenv autoload no; " \
288 "dhcp; " \
289 "run netloadimage; " \
290 "run netloadfdt; " \
291 "run netargs; " \
292 "bootz ${loadaddr} - ${fdtaddr}\0"
Cooper Jr., Franklin60480f812015-06-10 08:54:02 -0500293#else
294#define NETARGS ""
Cooper Jr., Franklin23208662015-04-21 07:51:04 -0500295#endif
296
Matwey V. Kornilov755324c2015-10-29 21:54:15 +0300297#include <config_distro_defaults.h>
298
Tom Rini87694552013-08-09 11:22:17 -0400299#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */