Hardware
/
litex
mirror of https://github.com/enjoy-digital/litex.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

software/bios/boot: move f_mount to copy_image_from_sdcard_to_ram and force mount.

This commit is contained in:
Florent Kermarrec 2020-06-10 11:46:18 +02:00
parent 59a048b666
commit 75225e5e33
1 changed files with 31 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

49
litex/soc/software/bios/boot.c
View File

@ -554,34 +554,51 @@ void romboot(void)
static int copy_image_from_sdcard_to_ram(const char * filename, unsigned int ram_address)
{
FRESULT fr;
FATFS fs;
FIL file;
uint32_t br;
uint32_t offset;
uint32_t length;
fr = f_mount(&fs, "", 1);
if (fr != FR_OK)
return 0;
fr = f_open(&file, filename, FA_READ);
if (fr == FR_OK){
printf("Copying %d bytes from %s to 0x%08x...\n", f_size(&file), filename, ram_address);
init_progression_bar(f_size(&file));
offset = 0;
for (;;) {
fr = f_read(&file, (void *) ram_address + offset, 0x8000, &br);
if (br == 0) break;
offset += br;
show_progress(offset);
}
show_progress(offset);
printf("\n");
} else {
if (fr != FR_OK) {
printf("%s file not found.\n", filename);
f_mount(0, "", 0);
return 0;
}
length = f_size(&file);
printf("Copying %d bytes from %s to 0x%08x...\n", length, filename, ram_address);
init_progression_bar(length);
offset = 0;
for (;;) {
fr = f_read(&file, (void*) ram_address + offset, 0x8000, &br);
if (fr != FR_OK) {
printf("file read error.\n");
f_close(&file);
f_mount(0, "", 0);
return 0;
}
if (br == 0)
break;
offset += br;
show_progress(offset);
}
show_progress(offset);
printf("\n");
f_close(&file);
f_mount(0, "", 0);
return 1;
}
void sdcardboot(void)
{
FATFS FatFs;
uint32_t result;
printf("Booting from SDCard...\n");
@ -603,7 +620,6 @@ void sdcardboot(void)
/* Copy files to RAM */
#if defined(CONFIG_CPU_TYPE_VEXRISCV) && defined(CONFIG_CPU_VARIANT_LINUX)
printf("Loading Linux images from SDCard to RAM...\n");
f_mount(&FatFs, "", 0);
result = copy_image_from_sdcard_to_ram("rv32.dtb", MAIN_RAM_BASE + DEVICE_TREE_IMAGE_RAM_OFFSET);
if (result)
result &= copy_image_from_sdcard_to_ram("emulator.bin", MAIN_RAM_BASE + EMULATOR_IMAGE_RAM_OFFSET);
@ -611,14 +627,11 @@ void sdcardboot(void)
result &= copy_image_from_sdcard_to_ram("Image", MAIN_RAM_BASE + KERNEL_IMAGE_RAM_OFFSET);
if (result)
result &= copy_image_from_sdcard_to_ram("rootfs.cpio", MAIN_RAM_BASE + ROOTFS_IMAGE_RAM_OFFSET);
f_mount(0, "", 0);
if (result)
boot(0, 0, 0, MAIN_RAM_BASE + EMULATOR_IMAGE_RAM_OFFSET);
printf("Unable to load all Linux images, falling back to boot.bin...\n");
#endif
f_mount(&FatFs, "", 0);
result = copy_image_from_sdcard_to_ram("boot.bin", MAIN_RAM_BASE);
f_mount(0, "", 0);
if(result)
boot(0, 0, 0, MAIN_RAM_BASE);
else