u-boot/board/compulab/common/splash.c
Igor Grinberg f4a40f05f5 omap3: cm-t35: extract the splash code from board
The splash screen loading code can be reused by other compulab boards.
For now extract it to a common location for further reuse.

This also switches the splash code dependency from CONFIG_LCD to
CONFIG_SPLASH_SCREEN as it should normally be.

In addition this patch fixes the accidental dependency of the
get_board_mem_timings() function on CONFIG_LCD, by just moving the
splash code and leaving the above function intact.

Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
Reviewed-by: Tom Rini <trini@ti.com>
2014-11-06 11:04:40 -05:00

72 lines
1.7 KiB
C

/*
* (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>
#include <bmp_layout.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_CMD_NAND
static int splash_load_from_nand(u32 bmp_load_addr, int nand_offset)
{
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;
res = nand_read_skip_bad(&nand_info[nand_curr_device],
nand_offset, &bmp_header_size,
NULL, nand_info[nand_curr_device].size,
(u_char *)bmp_load_addr);
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;
return nand_read_skip_bad(&nand_info[nand_curr_device],
nand_offset, &bmp_size,
NULL, nand_info[nand_curr_device].size,
(u_char *)bmp_load_addr);
splash_address_too_high:
printf("Error: splashimage address too high. Data overwrites U-Boot "
"and/or placed beyond DRAM boundaries.\n");
return -1;
}
#else
static inline int splash_load_from_nand(u32 bmp_load_addr, int nand_offset)
{
return -1;
}
#endif /* CONFIG_CMD_NAND */
int cl_splash_screen_prepare(int nand_offset)
{
char *env_splashimage_value;
u32 bmp_load_addr;
env_splashimage_value = getenv("splashimage");
if (env_splashimage_value == NULL)
return -1;
bmp_load_addr = simple_strtoul(env_splashimage_value, 0, 16);
if (bmp_load_addr == 0) {
printf("Error: bad splashimage address specified\n");
return -1;
}
return splash_load_from_nand(bmp_load_addr, nand_offset);
}