From: Jami Kettunen jami.kettunen@protonmail.com
Linux mainline kernel device tree files[1] are named: - jh7110-starfive-visionfive-2-v1.2a - jh7110-starfive-visionfive-2-v1.3b
which should be selected accordingly by U-Boot to have a proper extlinux experience with fdtdir set by the distribution.
[1] https://github.com/torvalds/linux/tree/master/arch/riscv/boot/dts/starfive
Signed-off-by: Jami Kettunen jami.kettunen@protonmail.com --- .../visionfive2/starfive_visionfive2.c | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/board/starfive/visionfive2/starfive_visionfive2.c b/board/starfive/visionfive2/starfive_visionfive2.c index d609262b67..9244d4654b 100644 --- a/board/starfive/visionfive2/starfive_visionfive2.c +++ b/board/starfive/visionfive2/starfive_visionfive2.c @@ -10,6 +10,8 @@ #include <cpu_func.h> #include <dm.h> #include <linux/bitops.h> +#include <asm/arch-jh7110/eeprom.h> +#include <env.h>
#define JH7110_L2_PREFETCHER_BASE_ADDR 0x2030000 #define JH7110_L2_PREFETCHER_HART_OFFSET 0x2000 @@ -41,6 +43,29 @@ int board_init(void) return 0; }
+int misc_init_r(void) +{ + u8 rev; + const char *linux_dtb_file; + + rev = get_pcb_revision_from_eeprom(); + switch (rev) { + case 'a': + case 'A': + linux_dtb_file = "starfive/jh7110-starfive-visionfive-2-v1.2a.dtb"; + break; + + case 'b': + case 'B': + default: + linux_dtb_file = "starfive/jh7110-starfive-visionfive-2-v1.3b.dtb"; + break; + }; + + env_set("fdtfile", linux_dtb_file); + return 0; +} + void *board_fdt_blob_setup(int *err) { *err = 0;