2 * (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
4 * Authors: Igor Grinberg <grinberg@compulab.co.il>
6 * SPDX-License-Identifier: GPL-2.0+
10 #include <bmp_layout.h>
17 #include <spi_flash.h>
21 DECLARE_GLOBAL_DATA_PTR
;
23 #ifdef CONFIG_SPI_FLASH
24 static struct spi_flash
*sf
;
25 static int splash_sf_read_raw(u32 bmp_load_addr
, int offset
, size_t read_size
)
28 sf
= spi_flash_probe(CONFIG_SF_DEFAULT_BUS
,
30 CONFIG_SF_DEFAULT_SPEED
,
31 CONFIG_SF_DEFAULT_MODE
);
36 return spi_flash_read(sf
, offset
, read_size
, (void *)bmp_load_addr
);
39 static int splash_sf_read_raw(u32 bmp_load_addr
, int offset
, size_t read_size
)
41 debug("%s: sf support not available\n", __func__
);
46 #ifdef CONFIG_CMD_NAND
47 static int splash_nand_read_raw(u32 bmp_load_addr
, int offset
, size_t read_size
)
49 return nand_read_skip_bad(nand_info
[nand_curr_device
], offset
,
51 nand_info
[nand_curr_device
]->size
,
52 (u_char
*)bmp_load_addr
);
55 static int splash_nand_read_raw(u32 bmp_load_addr
, int offset
, size_t read_size
)
57 debug("%s: nand support not available\n", __func__
);
62 static int splash_storage_read_raw(struct splash_location
*location
,
63 u32 bmp_load_addr
, size_t read_size
)
70 offset
= location
->offset
;
71 switch (location
->storage
) {
72 case SPLASH_STORAGE_NAND
:
73 return splash_nand_read_raw(bmp_load_addr
, offset
, read_size
);
74 case SPLASH_STORAGE_SF
:
75 return splash_sf_read_raw(bmp_load_addr
, offset
, read_size
);
77 printf("Unknown splash location\n");
83 static int splash_load_raw(struct splash_location
*location
, u32 bmp_load_addr
)
85 struct bmp_header
*bmp_hdr
;
87 size_t bmp_size
, bmp_header_size
= sizeof(struct bmp_header
);
89 if (bmp_load_addr
+ bmp_header_size
>= gd
->start_addr_sp
)
90 goto splash_address_too_high
;
92 res
= splash_storage_read_raw(location
, bmp_load_addr
, bmp_header_size
);
96 bmp_hdr
= (struct bmp_header
*)bmp_load_addr
;
97 bmp_size
= le32_to_cpu(bmp_hdr
->file_size
);
99 if (bmp_load_addr
+ bmp_size
>= gd
->start_addr_sp
)
100 goto splash_address_too_high
;
102 return splash_storage_read_raw(location
, bmp_load_addr
, bmp_size
);
104 splash_address_too_high
:
105 printf("Error: splashimage address too high. Data overwrites U-Boot and/or placed beyond DRAM boundaries.\n");
110 static int splash_select_fs_dev(struct splash_location
*location
)
114 switch (location
->storage
) {
115 case SPLASH_STORAGE_MMC
:
116 res
= fs_set_blk_dev("mmc", location
->devpart
, FS_TYPE_ANY
);
118 case SPLASH_STORAGE_USB
:
119 res
= fs_set_blk_dev("usb", location
->devpart
, FS_TYPE_ANY
);
121 case SPLASH_STORAGE_SATA
:
122 res
= fs_set_blk_dev("sata", location
->devpart
, FS_TYPE_ANY
);
124 case SPLASH_STORAGE_NAND
:
125 if (location
->ubivol
!= NULL
)
126 res
= fs_set_blk_dev("ubi", NULL
, FS_TYPE_UBIFS
);
131 printf("Error: unsupported location storage.\n");
136 printf("Error: could not access storage.\n");
141 #ifdef CONFIG_USB_STORAGE
142 static int splash_init_usb(void)
150 #ifndef CONFIG_DM_USB
151 err
= usb_stor_scan(1) < 0 ? -ENODEV
: 0;
157 static inline int splash_init_usb(void)
159 printf("Cannot load splash image: no USB support\n");
164 #ifdef CONFIG_CMD_SATA
165 static int splash_init_sata(void)
167 return sata_initialize();
170 static inline int splash_init_sata(void)
172 printf("Cannot load splash image: no SATA support\n");
177 #ifdef CONFIG_CMD_UBIFS
178 static int splash_mount_ubifs(struct splash_location
*location
)
183 sprintf(cmd
, "ubi part %s", location
->mtdpart
);
184 res
= run_command(cmd
, 0);
188 sprintf(cmd
, "ubifsmount %s", location
->ubivol
);
189 res
= run_command(cmd
, 0);
194 static inline int splash_umount_ubifs(void)
196 return run_command("ubifsumount", 0);
199 static inline int splash_mount_ubifs(struct splash_location
*location
)
201 printf("Cannot load splash image: no UBIFS support\n");
205 static inline int splash_umount_ubifs(void)
207 printf("Cannot unmount UBIFS: no UBIFS support\n");
212 #define SPLASH_SOURCE_DEFAULT_FILE_NAME "splash.bmp"
214 static int splash_load_fs(struct splash_location
*location
, u32 bmp_load_addr
)
220 splash_file
= getenv("splashfile");
222 splash_file
= SPLASH_SOURCE_DEFAULT_FILE_NAME
;
224 if (location
->storage
== SPLASH_STORAGE_USB
)
225 res
= splash_init_usb();
227 if (location
->storage
== SPLASH_STORAGE_SATA
)
228 res
= splash_init_sata();
230 if (location
->ubivol
!= NULL
)
231 res
= splash_mount_ubifs(location
);
236 res
= splash_select_fs_dev(location
);
240 res
= fs_size(splash_file
, &bmp_size
);
242 printf("Error (%d): cannot determine file size\n", res
);
246 if (bmp_load_addr
+ bmp_size
>= gd
->start_addr_sp
) {
247 printf("Error: splashimage address too high. Data overwrites U-Boot and/or placed beyond DRAM boundaries.\n");
252 splash_select_fs_dev(location
);
253 res
= fs_read(splash_file
, bmp_load_addr
, 0, 0, NULL
);
256 if (location
->ubivol
!= NULL
)
257 splash_umount_ubifs();
263 * select_splash_location - return the splash location based on board support
264 * and env variable "splashsource".
266 * @locations: An array of supported splash locations.
267 * @size: Size of splash_locations array.
269 * @return: If a null set of splash locations is given, or
270 * splashsource env variable is set to unsupported value
272 * If splashsource env variable is not defined
273 * return the first entry in splash_locations as default.
274 * If splashsource env variable contains a supported value
275 * return the location selected by splashsource.
277 static struct splash_location
*select_splash_location(
278 struct splash_location
*locations
, uint size
)
281 char *env_splashsource
;
283 if (!locations
|| size
== 0)
286 env_splashsource
= getenv("splashsource");
287 if (env_splashsource
== NULL
)
288 return &locations
[0];
290 for (i
= 0; i
< size
; i
++) {
291 if (!strcmp(locations
[i
].name
, env_splashsource
))
292 return &locations
[i
];
295 printf("splashsource env variable set to unsupported value\n");
300 * splash_source_load - load splash image from a supported location.
302 * Select a splash image location based on the value of splashsource environment
303 * variable and the board supported splash source locations, and load a
304 * splashimage to the address pointed to by splashimage environment variable.
306 * @locations: An array of supported splash locations.
307 * @size: Size of splash_locations array.
309 * @return: 0 on success, negative value on failure.
311 int splash_source_load(struct splash_location
*locations
, uint size
)
313 struct splash_location
*splash_location
;
314 char *env_splashimage_value
;
317 env_splashimage_value
= getenv("splashimage");
318 if (env_splashimage_value
== NULL
)
321 bmp_load_addr
= simple_strtoul(env_splashimage_value
, 0, 16);
322 if (bmp_load_addr
== 0) {
323 printf("Error: bad splashimage address specified\n");
327 splash_location
= select_splash_location(locations
, size
);
328 if (!splash_location
)
331 if (splash_location
->flags
& SPLASH_STORAGE_RAW
)
332 return splash_load_raw(splash_location
, bmp_load_addr
);
333 else if (splash_location
->flags
& SPLASH_STORAGE_FS
)
334 return splash_load_fs(splash_location
, bmp_load_addr
);