mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-13 23:02:59 +00:00
65cc0e2a65
The rest of the unmigrated CONFIG symbols in the CONFIG_SYS namespace do not easily transition to Kconfig. In many cases they likely should come from the device tree instead. Move these out of CONFIG namespace and in to CFG namespace. Signed-off-by: Tom Rini <trini@konsulko.com> Reviewed-by: Simon Glass <sjg@chromium.org>
160 lines
4 KiB
C
160 lines
4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright 2015 Freescale Semiconductor, Inc.
|
|
* Copyright 2022 NXP
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <env.h>
|
|
#include <init.h>
|
|
#include <fsl_validate.h>
|
|
#include <fsl_secboot_err.h>
|
|
#include <fsl_sfp.h>
|
|
#include <log.h>
|
|
#include <dm/root.h>
|
|
#include <asm/fsl_secure_boot.h>
|
|
|
|
#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_FRAMEWORK)
|
|
#include <spl.h>
|
|
#endif
|
|
|
|
#ifdef CONFIG_FSL_CORENET
|
|
#include <asm/fsl_pamu.h>
|
|
#endif
|
|
|
|
#ifdef CONFIG_ARCH_LS1021A
|
|
#include <asm/arch/immap_ls102xa.h>
|
|
#endif
|
|
|
|
#if defined(CONFIG_MPC85xx)
|
|
#define CONFIG_DCFG_ADDR CFG_SYS_MPC85xx_GUTS_ADDR
|
|
#else
|
|
#define CONFIG_DCFG_ADDR CFG_SYS_FSL_GUTS_ADDR
|
|
#endif
|
|
|
|
#ifdef CONFIG_SYS_FSL_CCSR_GUR_LE
|
|
#define gur_in32(a) in_le32(a)
|
|
#else
|
|
#define gur_in32(a) in_be32(a)
|
|
#endif
|
|
|
|
/* Check the Boot Mode. If Secure, return 1 else return 0 */
|
|
int fsl_check_boot_mode_secure(void)
|
|
{
|
|
uint32_t val;
|
|
struct ccsr_sfp_regs *sfp_regs = (void *)(CFG_SYS_SFP_ADDR);
|
|
struct ccsr_gur __iomem *gur = (void *)(CONFIG_DCFG_ADDR);
|
|
|
|
val = sfp_in32(&sfp_regs->ospr) & ITS_MASK;
|
|
if (val == ITS_MASK)
|
|
return 1;
|
|
|
|
#if defined(CONFIG_FSL_CORENET) || !defined(CONFIG_MPC85xx)
|
|
/* For PBL based platforms check the SB_EN bit in RCWSR */
|
|
val = gur_in32(&gur->rcwsr[RCW_SB_EN_REG_INDEX - 1]) & RCW_SB_EN_MASK;
|
|
if (val == RCW_SB_EN_MASK)
|
|
return 1;
|
|
#endif
|
|
|
|
#if defined(CONFIG_MPC85xx) && !defined(CONFIG_FSL_CORENET)
|
|
/* For Non-PBL Platforms, check the Device Status register 2*/
|
|
val = gur_in32(&gur->pordevsr2) & MPC85xx_PORDEVSR2_SBC_MASK;
|
|
if (val != MPC85xx_PORDEVSR2_SBC_MASK)
|
|
return 1;
|
|
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
#ifndef CONFIG_SPL_BUILD
|
|
int fsl_setenv_chain_of_trust(void)
|
|
{
|
|
/* Check Boot Mode
|
|
* If Boot Mode is Non-Secure, no changes are required
|
|
*/
|
|
if (fsl_check_boot_mode_secure() == 0)
|
|
return 0;
|
|
|
|
/* If Boot mode is Secure, set the environment variables
|
|
* bootdelay = 0 (To disable Boot Prompt)
|
|
* bootcmd = CHAIN_BOOT_CMD (Validate and execute Boot script)
|
|
*/
|
|
env_set("bootdelay", "-2");
|
|
|
|
#ifdef CONFIG_ARM
|
|
env_set("secureboot", "y");
|
|
#else
|
|
env_set("bootcmd", CHAIN_BOOT_CMD);
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_SPL_BUILD
|
|
void spl_validate_uboot(uint32_t hdr_addr, uintptr_t img_addr)
|
|
{
|
|
int res;
|
|
|
|
/*
|
|
* Check Boot Mode
|
|
* If Boot Mode is Non-Secure, skip validation
|
|
*/
|
|
if (fsl_check_boot_mode_secure() == 0)
|
|
return;
|
|
|
|
printf("SPL: Validating U-Boot image\n");
|
|
|
|
#ifdef CONFIG_ADDR_MAP
|
|
init_addr_map();
|
|
#endif
|
|
|
|
#ifdef CONFIG_FSL_CORENET
|
|
if (pamu_init() < 0)
|
|
fsl_secboot_handle_error(ERROR_ESBC_PAMU_INIT);
|
|
#endif
|
|
|
|
/*
|
|
* dm_init_and_scan() is called as part of common SPL framework, so no
|
|
* need to call it again but in case of powerpc platforms which currently
|
|
* do not use common SPL framework, so need to call this function here.
|
|
*/
|
|
#if defined(CONFIG_SPL_DM) && (!defined(CONFIG_SPL_FRAMEWORK))
|
|
dm_init_and_scan(true);
|
|
#endif
|
|
res = fsl_secboot_validate(hdr_addr, CONFIG_SPL_UBOOT_KEY_HASH,
|
|
&img_addr);
|
|
|
|
if (res == 0)
|
|
printf("SPL: Validation of U-boot successful\n");
|
|
}
|
|
|
|
#ifdef CONFIG_SPL_FRAMEWORK
|
|
/* Override weak funtion defined in SPL framework to enable validation
|
|
* of main u-boot image before jumping to u-boot image.
|
|
*/
|
|
void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
|
|
{
|
|
typedef void __noreturn (*image_entry_noargs_t)(void);
|
|
uint32_t hdr_addr;
|
|
|
|
image_entry_noargs_t image_entry =
|
|
(image_entry_noargs_t)(unsigned long)spl_image->entry_point;
|
|
|
|
hdr_addr = (spl_image->entry_point + spl_image->size -
|
|
CONFIG_U_BOOT_HDR_SIZE);
|
|
spl_validate_uboot(hdr_addr, (uintptr_t)spl_image->entry_point);
|
|
/*
|
|
* In case of failure in validation, spl_validate_uboot would
|
|
* not return back in case of Production environment with ITS=1.
|
|
* Thus U-Boot will not start.
|
|
* In Development environment (ITS=0 and SB_EN=1), the function
|
|
* may return back in case of non-fatal failures.
|
|
*/
|
|
|
|
debug("image entry point: 0x%lX\n", spl_image->entry_point);
|
|
image_entry();
|
|
}
|
|
#endif /* ifdef CONFIG_SPL_FRAMEWORK */
|
|
#endif /* ifdef CONFIG_SPL_BUILD */
|