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riscv: set fdtfile on Milk-V Mars

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Set environment variable fdtfile to the correct value for the Milk-V Mars
board.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Leo Yu-Chi Liang <ycliang@andestech.com>
This commit is contained in:
Heinrich Schuchardt 2024-04-02 10:49:09 +02:00 committed by Leo Yu-Chi Liang
parent 90e9dcd709
commit 0a8b83fb30
1 changed files with 29 additions and 12 deletions
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41
board/starfive/visionfive2/starfive_visionfive2.c
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@ -9,6 +9,7 @@
#include <dm.h>
#include <fdt_support.h>
#include <env.h>
#include <log.h>
#include <asm/arch/eeprom.h>
#include <asm/io.h>
#include <asm/sections.h>
@ -17,6 +18,8 @@
DECLARE_GLOBAL_DATA_PTR;
#define JH7110_L2_PREFETCHER_BASE_ADDR 0x2030000
#define JH7110_L2_PREFETCHER_HART_OFFSET 0x2000
#define FDTFILE_MILK_V_MARS \
"starfive/jh7110-milkv-mars.dtb"
#define FDTFILE_VISIONFIVE2_1_2A \
"starfive/jh7110-starfive-visionfive-2-v1.2a.dtb"
#define FDTFILE_VISIONFIVE2_1_3B \
@ -48,24 +51,38 @@ static void set_fdtfile(void)
{
u8 version;
const char *fdtfile;
const char *product_id;
fdtfile = env_get("fdtfile");
if (fdtfile)
return;
version = get_pcb_revision_from_eeprom();
switch (version) {
case 'a':
case 'A':
fdtfile = FDTFILE_VISIONFIVE2_1_2A;
break;
product_id = get_product_id_from_eeprom();
if (!product_id) {
log_err("Can't read EEPROM\n");
return;
}
if (!strncmp(product_id, "MARS", 4)) {
fdtfile = FDTFILE_MILK_V_MARS;
} else if (!strncmp(product_id, "VF7110", 6)) {
version = get_pcb_revision_from_eeprom();
case 'b':
case 'B':
default:
fdtfile = FDTFILE_VISIONFIVE2_1_3B;
break;
};
switch (version) {
case 'a':
case 'A':
fdtfile = FDTFILE_VISIONFIVE2_1_2A;
break;
case 'b':
case 'B':
default:
fdtfile = FDTFILE_VISIONFIVE2_1_3B;
break;
}
} else {
log_err("Unknown product\n");
return;
}
env_set("fdtfile", fdtfile);
}