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- add sm efuse write support and cmd for read/write efuse

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- add JetHub D1 eth mac generation with manufacturer OUI
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Merge tag 'u-boot-amlogic-20211102' of https://source.denx.de/u-boot/custodians/u-boot-amlogic

- add sm efuse write support and cmd for read/write efuse
- add JetHub D1 eth mac generation with manufacturer OUI
This commit is contained in:
Tom Rini 2021-11-02 08:56:42 -04:00
commit b8bfe05282
6 changed files with 125 additions and 3 deletions
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68
arch/arm/mach-meson/sm.c
View File

@ -68,6 +68,26 @@ ssize_t meson_sm_read_efuse(uintptr_t offset, void *buffer, size_t size)
return regs.regs[0];
}
ssize_t meson_sm_write_efuse(uintptr_t offset, void *buffer, size_t size)
{
struct pt_regs regs;
meson_init_shmem();
memcpy(shmem_input, buffer, size);
regs.regs[0] = FN_EFUSE_WRITE;
regs.regs[1] = offset;
regs.regs[2] = size;
smc_call(&regs);
if (regs.regs[0] == 0)
return -1;
return 0;
}
#define SM_CHIP_ID_LENGTH 119
#define SM_CHIP_ID_OFFSET 4
#define SM_CHIP_ID_SIZE 12
@ -187,9 +207,53 @@ static int do_sm_reboot_reason(struct cmd_tbl *cmdtp, int flag, int argc,
return CMD_RET_SUCCESS;
}
static int do_efuse_read(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
ulong address, offset, size;
int ret;
if (argc < 4)
return CMD_RET_USAGE;
offset = simple_strtoul(argv[1], NULL, 0);
size = simple_strtoul(argv[2], NULL, 0);
address = simple_strtoul(argv[3], NULL, 0);
ret = meson_sm_read_efuse(offset, (void *)address, size);
if (ret)
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
}
static int do_efuse_write(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
ulong address, offset, size;
int ret;
if (argc < 4)
return CMD_RET_USAGE;
offset = simple_strtoul(argv[1], NULL, 0);
size = simple_strtoul(argv[2], NULL, 0);
address = simple_strtoul(argv[3], NULL, 0);
ret = meson_sm_write_efuse(offset, (void *)address, size);
if (ret)
return CMD_RET_FAILURE;
return CMD_RET_SUCCESS;
}
static struct cmd_tbl cmd_sm_sub[] = {
U_BOOT_CMD_MKENT(serial, 2, 1, do_sm_serial, "", ""),
U_BOOT_CMD_MKENT(reboot_reason, 1, 1, do_sm_reboot_reason, "", ""),
U_BOOT_CMD_MKENT(efuseread, 4, 1, do_efuse_read, "", ""),
U_BOOT_CMD_MKENT(efusewrite, 4, 0, do_efuse_write, "", ""),
};
static int do_sm(struct cmd_tbl *cmdtp, int flag, int argc,
@ -216,5 +280,7 @@ U_BOOT_CMD(
sm, 5, 0, do_sm,
"Secure Monitor Control",
"serial <address> - read chip unique id to memory address\n"
"sm reboot_reason [name] - get reboot reason and store to to environment"
"sm reboot_reason [name] - get reboot reason and store to to environment\n"
"sm efuseread <offset> <size> <address> - read efuse to memory address\n"
"sm efusewrite <offset> <size> <address> - write into efuse from memory address"
);

8
board/amlogic/jethub-j100/MAINTAINERS Normal file
View File

@ -0,0 +1,8 @@
JetHome JetHub
M: Vyacheslav Bocharov <adeep@lexina.in>
S: Maintained
L: u-boot-amlogic@groups.io
F: board/amlogic/jethub-j100/
F: configs/jethub_j100_defconfig
F: doc/board/amlogic/jethub-j100.rst
F: include/configs/jethub.h

6
board/amlogic/jethub-j100/Makefile Normal file
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@ -0,0 +1,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
# (C) Copyright 2021 Vyacheslav Bocharov
# Author: Vyacheslav Bocharov <adeep@lexina.in>
obj-y := jethub-j100.o

42
board/amlogic/jethub-j100/jethub-j100.c Normal file
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@ -0,0 +1,42 @@
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2021 Vyacheslav Bocharov
* Author: Vyacheslav Bocharov <adeep@lexina.in>
*/
#include <common.h>
#include <dm.h>
#include <init.h>
#include <net.h>
#include <asm/io.h>
#include <asm/arch/axg.h>
#include <asm/arch/sm.h>
#include <asm/arch/eth.h>
#include <asm/arch/mem.h>
#include <u-boot/crc.h>
int misc_init_r(void)
{
u8 mac_addr[ARP_HLEN];
char serial[SM_SERIAL_SIZE];
u32 sid;
if (!meson_sm_get_serial(serial, SM_SERIAL_SIZE)) {
sid = crc32(0, (unsigned char *)serial, SM_SERIAL_SIZE);
/* Ensure the NIC specific bytes of the mac are not all 0 */
if ((sid & 0xffff) == 0)
sid |= 0x800000;
/* OUI registered MAC address */
mac_addr[0] = 0x10;
mac_addr[1] = 0x27;
mac_addr[2] = 0xBE;
mac_addr[3] = (sid >> 16) & 0xff;
mac_addr[4] = (sid >> 8) & 0xff;
mac_addr[5] = (sid >> 0) & 0xff;
eth_env_set_enetaddr("ethaddr", mac_addr);
}
return 0;
}

3
board/amlogic/jethub-j80/MAINTAINERS
View File

@ -4,6 +4,5 @@ S: Maintained
L: u-boot-amlogic@groups.io
F: board/amlogic/jethub-j80/
F: configs/jethub_j80_defconfig
F: configs/jethub_j100_defconfig
F: doc/board/amlogic/jethub-j80.rst
F: doc/board/amlogic/jethub-j100.rst
F: include/configs/jethub.h

1
configs/jethub_j100_defconfig
View File

@ -1,4 +1,5 @@
CONFIG_ARM=y
CONFIG_SYS_BOARD="jethub-j100"
CONFIG_SYS_CONFIG_NAME="jethub"
CONFIG_ARCH_MESON=y
CONFIG_SYS_TEXT_BASE=0x01000000