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Tom Rinia2f4c912013-08-09 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 Rinia2f4c912013-08-09 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 Rinia2f4c912013-08-09 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 Rini96886f22014-03-28 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.
36 */
37#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.
Tom Rinia2f4c912013-08-09 11:22:17 -040047 */
Tom Rini96886f22014-03-28 15:03:29 -040048#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 Simons3a3b3d12015-08-28 15:01:55 +020055 "scriptaddr=0x80000000\0" \
56 "pxefile_addr_r=0x80100000\0" \
Lokesh Vutlaf01f8b32016-11-29 11:57:59 +053057 "bootm_size=0x10000000\0" \
58 "boot_fdt=try\0"
Tom Rinia2f4c912013-08-09 11:22:17 -040059
Lokesh Vutlab207c472015-08-28 13:35:07 +053060#define DEFAULT_MMC_TI_ARGS \
61 "mmcdev=0\0" \
62 "mmcrootfstype=ext4 rootwait\0" \
B, Ravi5e5b9de2016-06-03 20:44:02 +053063 "finduuid=part uuid mmc ${bootpart} uuid\0" \
Lokesh Vutla5c426e32015-08-28 13:35:08 +053064 "args_mmc=run finduuid;setenv bootargs console=${console} " \
Lokesh Vutlab207c472015-08-28 13:35:07 +053065 "${optargs} " \
Lokesh Vutla5c426e32015-08-28 13:35:08 +053066 "root=PARTUUID=${uuid} rw " \
Lokesh Vutlad6c5a552016-03-09 15:39:35 +053067 "rootfstype=${mmcrootfstype}\0" \
68 "loadbootscript=load mmc ${mmcdev} ${loadaddr} boot.scr\0" \
69 "bootscript=echo Running bootscript from mmc${mmcdev} ...; " \
70 "source ${loadaddr}\0" \
71 "bootenvfile=uEnv.txt\0" \
72 "importbootenv=echo Importing environment from mmc${mmcdev} ...; " \
73 "env import -t ${loadaddr} ${filesize}\0" \
74 "loadbootenv=fatload mmc ${mmcdev} ${loadaddr} ${bootenvfile}\0" \
Lokesh Vutlaf01f8b32016-11-29 11:57:59 +053075 "loadimage=load ${devtype} ${bootpart} ${loadaddr} ${bootdir}/${bootfile}\0" \
76 "loadfdt=load ${devtype} ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
Lokesh Vutlad6c5a552016-03-09 15:39:35 +053077 "envboot=mmc dev ${mmcdev}; " \
78 "if mmc rescan; then " \
79 "echo SD/MMC found on device ${mmcdev};" \
80 "if run loadbootscript; then " \
81 "run bootscript;" \
82 "else " \
83 "if run loadbootenv; then " \
84 "echo Loaded env from ${bootenvfile};" \
85 "run importbootenv;" \
86 "fi;" \
87 "if test -n $uenvcmd; then " \
88 "echo Running uenvcmd ...;" \
89 "run uenvcmd;" \
90 "fi;" \
91 "fi;" \
92 "fi;\0" \
Lokesh Vutlaf01f8b32016-11-29 11:57:59 +053093 "mmcloados=run args_mmc; " \
94 "if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
95 "if run loadfdt; then " \
96 "bootz ${loadaddr} - ${fdtaddr}; " \
97 "else " \
98 "if test ${boot_fdt} = try; then " \
99 "bootz; " \
100 "else " \
101 "echo WARN: Cannot load the DT; " \
102 "fi; " \
103 "fi; " \
104 "else " \
105 "bootz; " \
106 "fi;\0" \
107 "mmcboot=mmc dev ${mmcdev}; " \
108 "setenv devnum ${mmcdev}; " \
109 "setenv devtype mmc; " \
110 "if mmc rescan; then " \
111 "echo SD/MMC found on device ${mmcdev};" \
112 "if run loadimage; then " \
Lokesh Vutlac2913ac2016-11-29 11:58:00 +0530113 "if test ${boot_fit} -eq 1; then " \
114 "run loadfit; " \
115 "else " \
116 "run mmcloados;" \
117 "fi;" \
Lokesh Vutlaf01f8b32016-11-29 11:57:59 +0530118 "fi;" \
119 "fi;\0" \
Lokesh Vutlab207c472015-08-28 13:35:07 +0530120
Lokesh Vutlac2913ac2016-11-29 11:58:00 +0530121#define DEFAULT_FIT_TI_ARGS \
122 "boot_fit=0\0" \
123 "fit_loadaddr=0x88000000\0" \
124 "fit_bootfile=fitImage.itb\0" \
125 "update_to_fit=setenv loadaddr ${fit_loadaddr}; setenv bootfile ${fit_bootfile}\0" \
126 "args_fit=setenv bootargs console=${console} \0" \
127 "loadfit=run args_fit; bootm ${loadaddr}:kernel@1 " \
128 "${loadaddr}:ramdisk@1 ${loadaddr}:${fdtfile};\0" \
129
Tom Rinia2f4c912013-08-09 11:22:17 -0400130/*
Enric Balletbò i Serra07322c52013-12-06 21:30:21 +0100131 * DDR information. If the CONFIG_NR_DRAM_BANKS is not defined,
132 * we say (for simplicity) that we have 1 bank, always, even when
133 * we have more. We always start at 0x80000000, and we place the
134 * initial stack pointer in our SRAM. Otherwise, we can define
135 * CONFIG_NR_DRAM_BANKS before including this file.
Tom Rinia2f4c912013-08-09 11:22:17 -0400136 */
Enric Balletbò i Serra07322c52013-12-06 21:30:21 +0100137#ifndef CONFIG_NR_DRAM_BANKS
Tom Rinia2f4c912013-08-09 11:22:17 -0400138#define CONFIG_NR_DRAM_BANKS 1
Enric Balletbò i Serra07322c52013-12-06 21:30:21 +0100139#endif
Tom Rinia2f4c912013-08-09 11:22:17 -0400140#define CONFIG_SYS_SDRAM_BASE 0x80000000
Nishanth Menonb4471512015-07-22 18:05:45 -0500141
142#ifndef CONFIG_SYS_INIT_SP_ADDR
Tom Rinia2f4c912013-08-09 11:22:17 -0400143#define CONFIG_SYS_INIT_SP_ADDR (NON_SECURE_SRAM_END - \
144 GENERATED_GBL_DATA_SIZE)
Nishanth Menonb4471512015-07-22 18:05:45 -0500145#endif
Tom Rinia2f4c912013-08-09 11:22:17 -0400146
147/* Timer information. */
148#define CONFIG_SYS_PTV 2 /* Divisor: 2^(PTV+1) => 8 */
Tom Rinia2f4c912013-08-09 11:22:17 -0400149
Mugunthan V N71202842016-07-18 15:10:59 +0530150/*
151 * Disable DM_* for SPL build and can be re-enabled after adding
152 * DM support in SPL
153 */
154#ifdef CONFIG_SPL_BUILD
155#undef CONFIG_DM_I2C
156#endif
157
Tom Rinia2f4c912013-08-09 11:22:17 -0400158/* I2C IP block */
159#define CONFIG_I2C
Mugunthan V Nf2cc5c32016-07-18 15:11:02 +0530160#ifndef CONFIG_DM_I2C
Heiko Schocherf53f2b82013-10-22 11:03:18 +0200161#define CONFIG_SYS_I2C
Mugunthan V Nf2cc5c32016-07-18 15:11:02 +0530162#else
163/*
164 * Enable CONFIG_DM_I2C_COMPAT temporarily until all the i2c client
165 * devices are adopted to DM
166 */
167#define CONFIG_DM_I2C_COMPAT
168#endif
Tom Rinia2f4c912013-08-09 11:22:17 -0400169
170/* MMC/SD IP block */
171#define CONFIG_MMC
172#define CONFIG_GENERIC_MMC
Tom Rinia2f4c912013-08-09 11:22:17 -0400173
174/* McSPI IP block */
175#define CONFIG_SPI
Tom Rinia2f4c912013-08-09 11:22:17 -0400176
177/* GPIO block */
Tom Rinia2f4c912013-08-09 11:22:17 -0400178
179/*
Tom Rinia2f4c912013-08-09 11:22:17 -0400180 * The following are general good-enough settings for U-Boot. We set a
181 * large malloc pool as we generally have a lot of DDR, and we opt for
182 * function over binary size in the main portion of U-Boot as this is
183 * generally easily constrained later if needed. We enable the config
184 * options that give us information in the environment about what board
185 * we are on so we do not need to rely on the command prompt. We set a
186 * console baudrate of 115200 and use the default baud rate table.
187 */
Tom Rinibc3a5572016-09-19 13:05:34 -0400188#define CONFIG_SYS_MALLOC_LEN SZ_32M
Tom Rinic5e96362013-08-20 08:53:49 -0400189#define CONFIG_BAUDRATE 115200
190#define CONFIG_ENV_VARS_UBOOT_CONFIG /* Strongly encouraged */
191#define CONFIG_ENV_OVERWRITE /* Overwrite ethaddr / serial# */
192
193/* As stated above, the following choices are optional. */
194#define CONFIG_SYS_LONGHELP
Tom Rinia2f4c912013-08-09 11:22:17 -0400195#define CONFIG_AUTO_COMPLETE
196#define CONFIG_CMDLINE_EDITING
Tom Rinia2f4c912013-08-09 11:22:17 -0400197
198/* We set the max number of command args high to avoid HUSH bugs. */
199#define CONFIG_SYS_MAXARGS 64
200
201/* Console I/O Buffer Size */
202#define CONFIG_SYS_CBSIZE 512
203/* Print Buffer Size */
204#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE \
205 + sizeof(CONFIG_SYS_PROMPT) + 16)
206/* Boot Argument Buffer Size */
207#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE
208
Tom Rinia2f4c912013-08-09 11:22:17 -0400209/*
210 * When we have SPI, NOR or NAND flash we expect to be making use of
211 * mtdparts, both for ease of use in U-Boot and for passing information
212 * on to the Linux kernel.
213 */
Nishanth Menonb4471512015-07-22 18:05:45 -0500214#if defined(CONFIG_SPI_BOOT) || defined(CONFIG_NOR) || defined(CONFIG_NAND) || defined(CONFIG_NAND_DAVINCI)
Tom Rinia2f4c912013-08-09 11:22:17 -0400215#define CONFIG_MTD_DEVICE /* Required for mtdparts */
216#define CONFIG_CMD_MTDPARTS
217#endif
218
Guillaume GARDETaf02aa12014-11-03 14:26:17 +0100219#define CONFIG_SUPPORT_RAW_INITRD
Tom Rinia2f4c912013-08-09 11:22:17 -0400220
221/*
222 * Common filesystems support. When we have removable storage we
223 * enabled a number of useful commands and support.
224 */
225#if defined(CONFIG_MMC) || defined(CONFIG_USB_STORAGE)
226#define CONFIG_DOS_PARTITION
Tom Rinia2f4c912013-08-09 11:22:17 -0400227#define CONFIG_FAT_WRITE
Nishanth Menon53e42b72014-12-18 14:32:14 -0600228#define CONFIG_PARTITION_UUIDS
229#define CONFIG_CMD_PART
Tom Rinia2f4c912013-08-09 11:22:17 -0400230#endif
231
232/*
233 * Our platforms make use of SPL to initalize the hardware (primarily
Andrew F. Davise2f61e72016-08-30 14:06:28 -0500234 * memory) enough for full U-Boot to be loaded. We make use of the general
235 * SPL framework found under common/spl/. Given our generally common memory
236 * map, we set a number of related defaults and sizes here.
Tom Rinia2f4c912013-08-09 11:22:17 -0400237 */
Sourav Poddar5248bba2014-05-19 16:53:37 -0400238#if !defined(CONFIG_NOR_BOOT) && \
239 !(defined(CONFIG_QSPI_BOOT) && defined(CONFIG_AM43XX))
Tom Rinia2f4c912013-08-09 11:22:17 -0400240#define CONFIG_SPL_FRAMEWORK
Andrew F. Davise2f61e72016-08-30 14:06:28 -0500241
242/*
243 * We also support Falcon Mode so that the Linux kernel can be booted
244 * directly from SPL. This is not currently available on HS devices.
245 */
Tom Rinia2f4c912013-08-09 11:22:17 -0400246
247/*
Tom Rinibe737992014-07-18 11:51:32 -0400248 * Place the image at the start of the ROM defined image space (per
249 * CONFIG_SPL_TEXT_BASE and we limit our size to the ROM-defined
Tom Rinicfff4aa2016-08-26 13:30:43 -0400250 * downloaded image area minus 1KiB for scratch space. We initalize DRAM as
251 * soon as we can so that we can place stack, malloc and BSS there. We load
252 * U-Boot itself into memory at 0x80800000 for legacy reasons (to not conflict
253 * with older SPLs). We have our BSS be placed 2MiB after this, to allow for
254 * the default Linux kernel address of 0x80008000 to work with most sized
255 * kernels, in the Falcon Mode case. We have the SPL malloc pool at the end
256 * of the BSS area. We suggest that the stack be placed at 32MiB after the
257 * start of DRAM to allow room for all of the above (handled in Kconfig).
Tom Rinia2f4c912013-08-09 11:22:17 -0400258 */
Tom Rinie10247f2014-04-03 15:17:15 -0400259#ifndef CONFIG_SYS_TEXT_BASE
Tom Rinia2f4c912013-08-09 11:22:17 -0400260#define CONFIG_SYS_TEXT_BASE 0x80800000
Tom Rinie10247f2014-04-03 15:17:15 -0400261#endif
262#ifndef CONFIG_SPL_BSS_START_ADDR
Tom Rinia2f4c912013-08-09 11:22:17 -0400263#define CONFIG_SPL_BSS_START_ADDR 0x80a00000
264#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 /* 512 KB */
Tom Rinie10247f2014-04-03 15:17:15 -0400265#endif
266#ifndef CONFIG_SYS_SPL_MALLOC_START
Tom Rinia2f4c912013-08-09 11:22:17 -0400267#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \
268 CONFIG_SPL_BSS_MAX_SIZE)
Tom Rinibc3a5572016-09-19 13:05:34 -0400269#define CONFIG_SYS_SPL_MALLOC_SIZE SZ_8M
Tom Rinie10247f2014-04-03 15:17:15 -0400270#endif
Tom Rinicfff4aa2016-08-26 13:30:43 -0400271#ifndef CONFIG_SPL_MAX_SIZE
272#define CONFIG_SPL_MAX_SIZE (SRAM_SCRATCH_SPACE_ADDR - \
273 CONFIG_SPL_TEXT_BASE)
274#endif
275
Tom Rinia2f4c912013-08-09 11:22:17 -0400276
Tom Rinia2f4c912013-08-09 11:22:17 -0400277/* FAT sd card locations. */
Paul Kocialkowski341e8cd2014-11-08 23:14:55 +0100278#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1
Guillaume GARDET602a16c2014-10-15 17:53:11 +0200279#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img"
Tom Rinia2f4c912013-08-09 11:22:17 -0400280
281#ifdef CONFIG_SPL_OS_BOOT
Tom Rinia2f4c912013-08-09 11:22:17 -0400282/* FAT */
Guillaume GARDET602a16c2014-10-15 17:53:11 +0200283#define CONFIG_SPL_FS_LOAD_KERNEL_NAME "uImage"
284#define CONFIG_SPL_FS_LOAD_ARGS_NAME "args"
Tom Rinia2f4c912013-08-09 11:22:17 -0400285
286/* RAW SD card / eMMC */
287#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0x900 /* address 0x120000 */
288#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0x80 /* address 0x10000 */
289#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0x80 /* 64KiB */
290
Tom Rinia2f4c912013-08-09 11:22:17 -0400291/* spl export command */
292#define CONFIG_CMD_SPL
293#endif
294
Nishanth Menon657f11c2015-07-22 18:05:42 -0500295#define CONFIG_SYS_THUMB_BUILD
Tom Rinia2f4c912013-08-09 11:22:17 -0400296
Tom Rinif48e5ee2013-08-20 08:53:44 -0400297/* General parts of the framework, required. */
Tom Rinia2f4c912013-08-09 11:22:17 -0400298#define CONFIG_SPL_BOARD_INIT
299
300#ifdef CONFIG_NAND
Tom Rinia2f4c912013-08-09 11:22:17 -0400301#define CONFIG_SPL_NAND_BASE
302#define CONFIG_SPL_NAND_DRIVERS
303#define CONFIG_SPL_NAND_ECC
Tom Rinia2f4c912013-08-09 11:22:17 -0400304#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
Tom Rinia2f4c912013-08-09 11:22:17 -0400305#endif
306#endif /* !CONFIG_NOR_BOOT */
307
Cooper Jr., Franklin07610ab2015-04-21 07:51:04 -0500308/* Generic Environment Variables */
309
310#ifdef CONFIG_CMD_NET
311#define NETARGS \
312 "static_ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}" \
313 "::off\0" \
314 "nfsopts=nolock\0" \
315 "rootpath=/export/rootfs\0" \
316 "netloadimage=tftp ${loadaddr} ${bootfile}\0" \
317 "netloadfdt=tftp ${fdtaddr} ${fdtfile}\0" \
318 "netargs=setenv bootargs console=${console} " \
319 "${optargs} " \
320 "root=/dev/nfs " \
321 "nfsroot=${serverip}:${rootpath},${nfsopts} rw " \
322 "ip=dhcp\0" \
323 "netboot=echo Booting from network ...; " \
324 "setenv autoload no; " \
325 "dhcp; " \
326 "run netloadimage; " \
327 "run netloadfdt; " \
328 "run netargs; " \
329 "bootz ${loadaddr} - ${fdtaddr}\0"
Cooper Jr., Franklindcee9cf2015-06-10 08:54:02 -0500330#else
331#define NETARGS ""
Cooper Jr., Franklin07610ab2015-04-21 07:51:04 -0500332#endif
333
Matwey V. Kornilov5c15b912015-10-29 21:54:15 +0300334#include <config_distro_defaults.h>
335
Tom Rinia2f4c912013-08-09 11:22:17 -0400336#endif /* __CONFIG_TI_ARMV7_COMMON_H__ */