From 541c536fa416775ea2094f43b3241e12a49720c8 Mon Sep 17 00:00:00 2001 From: "Ye.Li" Date: Wed, 11 Jun 2014 15:40:59 +0800 Subject: ENGR00315894-56 CMD: Add new command "bootaux" to boot auxiliary core To boot a auxiliary core in asymmetric multicore system, introduce the new command "bootaux" to do it. Example of boot auxliary core from 0x70000000 where stores the boot head information that should be parsed by each core. "bootaux 0x70000000" Signed-off-by: Ye.Li (cherry picked from commit fd00c322d058e02953a336517547174edaf2c573) Signed-off-by: Peng Fan --- common/Makefile | 1 + common/cmd_bootaux.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 43 insertions(+) create mode 100644 common/cmd_bootaux.c (limited to 'common') diff --git a/common/Makefile b/common/Makefile index 252fbf1..ac7edba 100644 --- a/common/Makefile +++ b/common/Makefile @@ -209,6 +209,7 @@ obj-$(CONFIG_UPDATE_TFTP) += update.o obj-$(CONFIG_USB_KEYBOARD) += usb_kbd.o obj-$(CONFIG_CMD_DFU) += cmd_dfu.o obj-$(CONFIG_CMD_GPT) += cmd_gpt.o +obj-$(CONFIG_CMD_BOOTAUX) += cmd_bootaux.o endif ifdef CONFIG_SPL_BUILD diff --git a/common/cmd_bootaux.c b/common/cmd_bootaux.c new file mode 100644 index 0000000..188cb73 --- /dev/null +++ b/common/cmd_bootaux.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include + +/* Allow for arch specific config before we boot */ +static int __arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) +{ + /* please define platform specific arch_auxiliary_core_up() */ + return CMD_RET_FAILURE; +} +int arch_auxiliary_core_up(u32 core_id, u32 boot_private_data) + __attribute__((weak, alias("__arch_auxiliary_core_up"))); + +int do_bootaux(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + ulong addr; + int ret; + + if (argc < 2) + return CMD_RET_USAGE; + + addr = simple_strtoul(argv[1], NULL, 16); + + printf("## Starting auxiliary core at 0x%08lX ...\n", addr); + + ret = arch_auxiliary_core_up(0, addr); + if (ret) + return CMD_RET_FAILURE; + + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD( + bootaux, CONFIG_SYS_MAXARGS, 1, do_bootaux, + "Start auxiliary core", + "" +); -- cgit v1.1