2014-11-03 09:32:20 +00:00
|
|
|
/*
|
|
|
|
* (C) Copyright 2014 CompuLab, Ltd. <www.compulab.co.il>
|
|
|
|
*
|
|
|
|
* Authors: Igor Grinberg <grinberg@compulab.co.il>
|
|
|
|
*
|
|
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
|
|
*/
|
|
|
|
|
|
|
|
#include <common.h>
|
|
|
|
#include <nand.h>
|
2015-01-14 08:42:49 +00:00
|
|
|
#include <errno.h>
|
2015-01-14 08:42:54 +00:00
|
|
|
#include <splash.h>
|
2015-01-14 08:42:52 +00:00
|
|
|
#include <spi_flash.h>
|
|
|
|
#include <spi.h>
|
2015-10-29 09:54:42 +00:00
|
|
|
#include <usb.h>
|
2015-10-29 09:54:43 +00:00
|
|
|
#include <sata.h>
|
2014-11-03 09:32:20 +00:00
|
|
|
#include <bmp_layout.h>
|
2015-10-29 09:54:41 +00:00
|
|
|
#include <fs.h>
|
2014-11-03 09:32:20 +00:00
|
|
|
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
|
2015-01-14 08:42:52 +00:00
|
|
|
#ifdef CONFIG_SPI_FLASH
|
|
|
|
static struct spi_flash *sf;
|
2015-10-29 09:54:40 +00:00
|
|
|
static int splash_sf_read_raw(u32 bmp_load_addr, int offset, size_t read_size)
|
2015-01-14 08:42:52 +00:00
|
|
|
{
|
|
|
|
if (!sf) {
|
|
|
|
sf = spi_flash_probe(CONFIG_SF_DEFAULT_BUS,
|
|
|
|
CONFIG_SF_DEFAULT_CS,
|
|
|
|
CONFIG_SF_DEFAULT_SPEED,
|
|
|
|
CONFIG_SF_DEFAULT_MODE);
|
|
|
|
if (!sf)
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
return spi_flash_read(sf, offset, read_size, (void *)bmp_load_addr);
|
|
|
|
}
|
|
|
|
#else
|
2015-10-29 09:54:40 +00:00
|
|
|
static int splash_sf_read_raw(u32 bmp_load_addr, int offset, size_t read_size)
|
2015-01-14 08:42:52 +00:00
|
|
|
{
|
|
|
|
debug("%s: sf support not available\n", __func__);
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2014-11-03 09:32:20 +00:00
|
|
|
#ifdef CONFIG_CMD_NAND
|
2015-10-29 09:54:40 +00:00
|
|
|
static int splash_nand_read_raw(u32 bmp_load_addr, int offset, size_t read_size)
|
2015-01-14 08:42:50 +00:00
|
|
|
{
|
2016-05-30 18:57:55 +00:00
|
|
|
return nand_read_skip_bad(nand_info[nand_curr_device], offset,
|
2015-01-14 08:42:50 +00:00
|
|
|
&read_size, NULL,
|
2016-05-30 18:57:55 +00:00
|
|
|
nand_info[nand_curr_device]->size,
|
2015-01-14 08:42:50 +00:00
|
|
|
(u_char *)bmp_load_addr);
|
|
|
|
}
|
|
|
|
#else
|
2015-10-29 09:54:40 +00:00
|
|
|
static int splash_nand_read_raw(u32 bmp_load_addr, int offset, size_t read_size)
|
2015-01-14 08:42:50 +00:00
|
|
|
{
|
|
|
|
debug("%s: nand support not available\n", __func__);
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2015-10-29 09:54:40 +00:00
|
|
|
static int splash_storage_read_raw(struct splash_location *location,
|
2015-01-14 08:42:51 +00:00
|
|
|
u32 bmp_load_addr, size_t read_size)
|
2015-01-14 08:42:50 +00:00
|
|
|
{
|
2015-01-14 08:42:51 +00:00
|
|
|
u32 offset;
|
|
|
|
|
|
|
|
if (!location)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
offset = location->offset;
|
|
|
|
switch (location->storage) {
|
|
|
|
case SPLASH_STORAGE_NAND:
|
2015-10-29 09:54:40 +00:00
|
|
|
return splash_nand_read_raw(bmp_load_addr, offset, read_size);
|
2015-01-14 08:42:52 +00:00
|
|
|
case SPLASH_STORAGE_SF:
|
2015-10-29 09:54:40 +00:00
|
|
|
return splash_sf_read_raw(bmp_load_addr, offset, read_size);
|
2015-01-14 08:42:51 +00:00
|
|
|
default:
|
|
|
|
printf("Unknown splash location\n");
|
|
|
|
}
|
|
|
|
|
|
|
|
return -EINVAL;
|
2015-01-14 08:42:50 +00:00
|
|
|
}
|
|
|
|
|
2015-01-14 08:42:51 +00:00
|
|
|
static int splash_load_raw(struct splash_location *location, u32 bmp_load_addr)
|
2014-11-03 09:32:20 +00:00
|
|
|
{
|
|
|
|
struct bmp_header *bmp_hdr;
|
|
|
|
int res;
|
|
|
|
size_t bmp_size, bmp_header_size = sizeof(struct bmp_header);
|
|
|
|
|
|
|
|
if (bmp_load_addr + bmp_header_size >= gd->start_addr_sp)
|
|
|
|
goto splash_address_too_high;
|
|
|
|
|
2015-10-29 09:54:40 +00:00
|
|
|
res = splash_storage_read_raw(location, bmp_load_addr, bmp_header_size);
|
2014-11-03 09:32:20 +00:00
|
|
|
if (res < 0)
|
|
|
|
return res;
|
|
|
|
|
|
|
|
bmp_hdr = (struct bmp_header *)bmp_load_addr;
|
|
|
|
bmp_size = le32_to_cpu(bmp_hdr->file_size);
|
|
|
|
|
|
|
|
if (bmp_load_addr + bmp_size >= gd->start_addr_sp)
|
|
|
|
goto splash_address_too_high;
|
|
|
|
|
2015-10-29 09:54:40 +00:00
|
|
|
return splash_storage_read_raw(location, bmp_load_addr, bmp_size);
|
2014-11-03 09:32:20 +00:00
|
|
|
|
|
|
|
splash_address_too_high:
|
2015-01-14 08:42:54 +00:00
|
|
|
printf("Error: splashimage address too high. Data overwrites U-Boot and/or placed beyond DRAM boundaries.\n");
|
2014-11-03 09:32:20 +00:00
|
|
|
|
2015-01-14 08:42:49 +00:00
|
|
|
return -EFAULT;
|
2014-11-03 09:32:20 +00:00
|
|
|
}
|
|
|
|
|
2015-10-29 09:54:41 +00:00
|
|
|
static int splash_select_fs_dev(struct splash_location *location)
|
|
|
|
{
|
|
|
|
int res;
|
|
|
|
|
|
|
|
switch (location->storage) {
|
|
|
|
case SPLASH_STORAGE_MMC:
|
|
|
|
res = fs_set_blk_dev("mmc", location->devpart, FS_TYPE_ANY);
|
|
|
|
break;
|
2015-10-29 09:54:42 +00:00
|
|
|
case SPLASH_STORAGE_USB:
|
|
|
|
res = fs_set_blk_dev("usb", location->devpart, FS_TYPE_ANY);
|
|
|
|
break;
|
2015-10-29 09:54:43 +00:00
|
|
|
case SPLASH_STORAGE_SATA:
|
|
|
|
res = fs_set_blk_dev("sata", location->devpart, FS_TYPE_ANY);
|
|
|
|
break;
|
2016-06-07 07:38:37 +00:00
|
|
|
case SPLASH_STORAGE_NAND:
|
|
|
|
if (location->ubivol != NULL)
|
|
|
|
res = fs_set_blk_dev("ubi", NULL, FS_TYPE_UBIFS);
|
|
|
|
else
|
|
|
|
res = -ENODEV;
|
|
|
|
break;
|
2015-10-29 09:54:41 +00:00
|
|
|
default:
|
|
|
|
printf("Error: unsupported location storage.\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (res)
|
|
|
|
printf("Error: could not access storage.\n");
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
2015-10-29 09:54:42 +00:00
|
|
|
#ifdef CONFIG_USB_STORAGE
|
|
|
|
static int splash_init_usb(void)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = usb_init();
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
return usb_stor_scan(1) < 0 ? -ENODEV : 0;
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
static inline int splash_init_usb(void)
|
|
|
|
{
|
|
|
|
printf("Cannot load splash image: no USB support\n");
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2015-10-29 09:54:43 +00:00
|
|
|
#ifdef CONFIG_CMD_SATA
|
|
|
|
static int splash_init_sata(void)
|
|
|
|
{
|
|
|
|
return sata_initialize();
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
static inline int splash_init_sata(void)
|
|
|
|
{
|
|
|
|
printf("Cannot load splash image: no SATA support\n");
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2016-06-07 07:38:37 +00:00
|
|
|
#ifdef CONFIG_CMD_UBIFS
|
|
|
|
static int splash_mount_ubifs(struct splash_location *location)
|
|
|
|
{
|
|
|
|
int res;
|
|
|
|
char cmd[32];
|
|
|
|
|
|
|
|
sprintf(cmd, "ubi part %s", location->mtdpart);
|
|
|
|
res = run_command(cmd, 0);
|
|
|
|
if (res)
|
|
|
|
return res;
|
|
|
|
|
|
|
|
sprintf(cmd, "ubifsmount %s", location->ubivol);
|
|
|
|
res = run_command(cmd, 0);
|
|
|
|
|
|
|
|
return res;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int splash_umount_ubifs(void)
|
|
|
|
{
|
|
|
|
return run_command("ubifsumount", 0);
|
|
|
|
}
|
|
|
|
#else
|
|
|
|
static inline int splash_mount_ubifs(struct splash_location *location)
|
|
|
|
{
|
|
|
|
printf("Cannot load splash image: no UBIFS support\n");
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int splash_umount_ubifs(void)
|
|
|
|
{
|
|
|
|
printf("Cannot unmount UBIFS: no UBIFS support\n");
|
|
|
|
return -ENOSYS;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
2015-10-29 09:54:41 +00:00
|
|
|
#define SPLASH_SOURCE_DEFAULT_FILE_NAME "splash.bmp"
|
|
|
|
|
|
|
|
static int splash_load_fs(struct splash_location *location, u32 bmp_load_addr)
|
|
|
|
{
|
2015-10-29 09:54:42 +00:00
|
|
|
int res = 0;
|
2015-10-29 09:54:41 +00:00
|
|
|
loff_t bmp_size;
|
|
|
|
char *splash_file;
|
|
|
|
|
|
|
|
splash_file = getenv("splashfile");
|
|
|
|
if (!splash_file)
|
|
|
|
splash_file = SPLASH_SOURCE_DEFAULT_FILE_NAME;
|
|
|
|
|
2015-10-29 09:54:42 +00:00
|
|
|
if (location->storage == SPLASH_STORAGE_USB)
|
|
|
|
res = splash_init_usb();
|
|
|
|
|
2015-10-29 09:54:43 +00:00
|
|
|
if (location->storage == SPLASH_STORAGE_SATA)
|
|
|
|
res = splash_init_sata();
|
|
|
|
|
2016-06-07 07:38:37 +00:00
|
|
|
if (location->ubivol != NULL)
|
|
|
|
res = splash_mount_ubifs(location);
|
|
|
|
|
2015-10-29 09:54:42 +00:00
|
|
|
if (res)
|
|
|
|
return res;
|
|
|
|
|
2015-10-29 09:54:41 +00:00
|
|
|
res = splash_select_fs_dev(location);
|
|
|
|
if (res)
|
2016-06-07 07:38:37 +00:00
|
|
|
goto out;
|
2015-10-29 09:54:41 +00:00
|
|
|
|
|
|
|
res = fs_size(splash_file, &bmp_size);
|
|
|
|
if (res) {
|
|
|
|
printf("Error (%d): cannot determine file size\n", res);
|
2016-06-07 07:38:37 +00:00
|
|
|
goto out;
|
2015-10-29 09:54:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
if (bmp_load_addr + bmp_size >= gd->start_addr_sp) {
|
|
|
|
printf("Error: splashimage address too high. Data overwrites U-Boot and/or placed beyond DRAM boundaries.\n");
|
2016-06-07 07:38:37 +00:00
|
|
|
res = -EFAULT;
|
|
|
|
goto out;
|
2015-10-29 09:54:41 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
splash_select_fs_dev(location);
|
2016-06-07 07:38:37 +00:00
|
|
|
res = fs_read(splash_file, bmp_load_addr, 0, 0, NULL);
|
|
|
|
|
|
|
|
out:
|
|
|
|
if (location->ubivol != NULL)
|
|
|
|
splash_umount_ubifs();
|
|
|
|
|
|
|
|
return res;
|
2015-10-29 09:54:41 +00:00
|
|
|
}
|
|
|
|
|
2015-01-14 08:42:51 +00:00
|
|
|
/**
|
|
|
|
* select_splash_location - return the splash location based on board support
|
|
|
|
* and env variable "splashsource".
|
|
|
|
*
|
|
|
|
* @locations: An array of supported splash locations.
|
|
|
|
* @size: Size of splash_locations array.
|
|
|
|
*
|
|
|
|
* @return: If a null set of splash locations is given, or
|
|
|
|
* splashsource env variable is set to unsupported value
|
|
|
|
* return NULL.
|
|
|
|
* If splashsource env variable is not defined
|
|
|
|
* return the first entry in splash_locations as default.
|
|
|
|
* If splashsource env variable contains a supported value
|
|
|
|
* return the location selected by splashsource.
|
|
|
|
*/
|
|
|
|
static struct splash_location *select_splash_location(
|
|
|
|
struct splash_location *locations, uint size)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
char *env_splashsource;
|
|
|
|
|
|
|
|
if (!locations || size == 0)
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
env_splashsource = getenv("splashsource");
|
|
|
|
if (env_splashsource == NULL)
|
|
|
|
return &locations[0];
|
|
|
|
|
|
|
|
for (i = 0; i < size; i++) {
|
|
|
|
if (!strcmp(locations[i].name, env_splashsource))
|
|
|
|
return &locations[i];
|
|
|
|
}
|
|
|
|
|
|
|
|
printf("splashsource env variable set to unsupported value\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
2015-01-14 08:42:54 +00:00
|
|
|
/**
|
|
|
|
* splash_source_load - load splash image from a supported location.
|
|
|
|
*
|
|
|
|
* Select a splash image location based on the value of splashsource environment
|
|
|
|
* variable and the board supported splash source locations, and load a
|
|
|
|
* splashimage to the address pointed to by splashimage environment variable.
|
|
|
|
*
|
|
|
|
* @locations: An array of supported splash locations.
|
|
|
|
* @size: Size of splash_locations array.
|
|
|
|
*
|
|
|
|
* @return: 0 on success, negative value on failure.
|
|
|
|
*/
|
|
|
|
int splash_source_load(struct splash_location *locations, uint size)
|
2014-11-03 09:32:20 +00:00
|
|
|
{
|
2015-01-14 08:42:51 +00:00
|
|
|
struct splash_location *splash_location;
|
2014-11-03 09:32:20 +00:00
|
|
|
char *env_splashimage_value;
|
|
|
|
u32 bmp_load_addr;
|
|
|
|
|
|
|
|
env_splashimage_value = getenv("splashimage");
|
|
|
|
if (env_splashimage_value == NULL)
|
2015-01-14 08:42:49 +00:00
|
|
|
return -ENOENT;
|
2014-11-03 09:32:20 +00:00
|
|
|
|
|
|
|
bmp_load_addr = simple_strtoul(env_splashimage_value, 0, 16);
|
|
|
|
if (bmp_load_addr == 0) {
|
|
|
|
printf("Error: bad splashimage address specified\n");
|
2015-01-14 08:42:49 +00:00
|
|
|
return -EFAULT;
|
2014-11-03 09:32:20 +00:00
|
|
|
}
|
|
|
|
|
2015-01-14 08:42:51 +00:00
|
|
|
splash_location = select_splash_location(locations, size);
|
|
|
|
if (!splash_location)
|
|
|
|
return -EINVAL;
|
|
|
|
|
2015-10-29 09:54:41 +00:00
|
|
|
if (splash_location->flags & SPLASH_STORAGE_RAW)
|
|
|
|
return splash_load_raw(splash_location, bmp_load_addr);
|
|
|
|
else if (splash_location->flags & SPLASH_STORAGE_FS)
|
|
|
|
return splash_load_fs(splash_location, bmp_load_addr);
|
|
|
|
|
|
|
|
return -EINVAL;
|
2014-11-03 09:32:20 +00:00
|
|
|
}
|