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

Make booting from SD-Card to behave same as from SPI flash

This commit is contained in:
rprinz08 2020-05-15 12:07:52 +02:00
parent 3391398a5f
commit 3f649077b1
1 changed files with 25 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
litex/soc/software/bios/boot.c
View File

@ -512,19 +512,34 @@ void spisdcardboot(void)
return;
}
#if defined(CONFIG_CPU_TYPE_VEXRISCV) && defined(CONFIG_CPU_VARIANT_LINUX)
if(spi_sdcard_readFile("IMAGE","",MAIN_RAM_BASE+KERNEL_IMAGE_RAM_OFFSET)==0) return;
if(spi_sdcard_readFile("ROOTFS~1","CPI",MAIN_RAM_BASE+ROOTFS_IMAGE_RAM_OFFSET)==0) return;
if(spi_sdcard_readFile("RV32","DTB",MAIN_RAM_BASE+DEVICE_TREE_IMAGE_RAM_OFFSET)==0) return;
if(spi_sdcard_readFile("EMULATOR","BIN",MAIN_RAM_BASE+EMULATOR_IMAGE_RAM_OFFSET)==0) return;
unsigned int result;
boot(0,0,0,MAIN_RAM_BASE + EMULATOR_IMAGE_RAM_OFFSET);
#else
if(spi_sdcard_readFile("BOOT","BIN",MAIN_RAM_BASE)==0) {
printf("SD Card SPI boot failed\n");
#if defined(CONFIG_CPU_TYPE_VEXRISCV) && defined(CONFIG_CPU_VARIANT_LINUX)
result = spi_sdcard_readFile("IMAGE", "",
MAIN_RAM_BASE + KERNEL_IMAGE_RAM_OFFSET);
if(result)
result &= spi_sdcard_readFile("ROOTFS~1", "CPI",
MAIN_RAM_BASE + ROOTFS_IMAGE_RAM_OFFSET);
if(result)
result &= spi_sdcard_readFile("RV32", "DTB",
MAIN_RAM_BASE + DEVICE_TREE_IMAGE_RAM_OFFSET);
if(result)
result &= spi_sdcard_readFile("EMULATOR", "BIN",
MAIN_RAM_BASE + EMULATOR_IMAGE_RAM_OFFSET);
if(result) {
boot(0, 0, 0, MAIN_RAM_BASE + EMULATOR_IMAGE_RAM_OFFSET);
return;
}
boot(0, 0, 0, MAIN_RAM_BASE);
#endif
result = spi_sdcard_readFile("BOOT", "BIN", MAIN_RAM_BASE);
if(result)
boot(0, 0, 0, MAIN_RAM_BASE);
else
printf("SD Card SPI boot failed\n");
}
#endif