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Merge pull request #1303 from soby-mathew/sm/fix_juno_fwu

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Juno: Fixes for firmware update
This commit is contained in:
davidcunado-arm 2018-03-08 11:33:41 +00:00 • committed by GitHub
commit 16b05e94a2
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 24 additions and 72 deletions
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4
plat/arm/board/common/board_css_common.c
View file

@ -14,7 +14,7 @@
#ifdef IMAGE_BL1
const mmap_region_t plat_arm_mmap[] = {
ARM_MAP_SHARED_RAM,
V2M_MAP_FLASH0_RO,
V2M_MAP_FLASH0_RW,
V2M_MAP_IOFPGA,
CSS_MAP_DEVICE,
SOC_CSS_MAP_DEVICE,
@ -28,7 +28,7 @@ const mmap_region_t plat_arm_mmap[] = {
#ifdef IMAGE_BL2
const mmap_region_t plat_arm_mmap[] = {
ARM_MAP_SHARED_RAM,
V2M_MAP_FLASH0_RO,
V2M_MAP_FLASH0_RW,
#ifdef PLAT_ARM_MEM_PROT_ADDR
ARM_V2M_MAP_MEM_PROTECT,
#endif

13
plat/arm/board/fvp/fvp_bl1_setup.c
View file

@ -30,16 +30,3 @@ void bl1_early_platform_setup(void)
*/
fvp_interconnect_enable();
}
/*******************************************************************************
* The following function checks if Firmware update is needed,
* by checking if TOC in FIP image is valid or not.
******************************************************************************/
unsigned int bl1_plat_get_next_image_id(void)
{
if (!arm_io_is_toc_valid())
return NS_BL1U_IMAGE_ID;
return BL2_IMAGE_ID;
}

2
plat/arm/board/fvp/platform.mk
View file

@ -124,7 +124,6 @@ BL1_SOURCES += drivers/io/io_semihosting.c \
lib/semihosting/${ARCH}/semihosting_call.S \
plat/arm/board/fvp/${ARCH}/fvp_helpers.S \
plat/arm/board/fvp/fvp_bl1_setup.c \
plat/arm/board/fvp/fvp_err.c \
plat/arm/board/fvp/fvp_io_storage.c \
plat/arm/board/fvp/fvp_trusted_boot.c \
${FVP_CPU_LIBS} \
@ -135,7 +134,6 @@ BL2_SOURCES += drivers/io/io_semihosting.c \
lib/semihosting/semihosting.c \
lib/semihosting/${ARCH}/semihosting_call.S \
plat/arm/board/fvp/fvp_bl2_setup.c \
plat/arm/board/fvp/fvp_err.c \
plat/arm/board/fvp/fvp_io_storage.c \
plat/arm/board/fvp/fvp_trusted_boot.c \
${FVP_SECURITY_SOURCES}

23
plat/arm/board/juno/juno_bl1_setup.c
View file

@ -12,31 +12,8 @@
#include <tbbr_img_def.h>
#include <v2m_def.h>
#define RESET_REASON_WDOG_RESET (0x2)
void juno_reset_to_aarch32_state(void);
/*******************************************************************************
* The following function checks if Firmware update is needed,
* by checking if TOC in FIP image is valid or watchdog reset happened.
******************************************************************************/
unsigned int bl1_plat_get_next_image_id(void)
{
unsigned int *reset_flags_ptr = (unsigned int *)SSC_GPRETN;
unsigned int *nv_flags_ptr = (unsigned int *)
(V2M_SYSREGS_BASE + V2M_SYS_NVFLAGS);
/*
* Check if TOC is invalid or watchdog reset happened.
*/
if ((arm_io_is_toc_valid() != 1) ||
((*reset_flags_ptr & RESET_REASON_WDOG_RESET) &&
((*nv_flags_ptr == -EAUTH) || (*nv_flags_ptr == -ENOENT))))
return NS_BL1U_IMAGE_ID;
return BL2_IMAGE_ID;
}
/*******************************************************************************
* On JUNO update the arg2 with address of SCP_BL2U image info.
******************************************************************************/

27
plat/arm/board/juno/juno_err.c
View file

@ -1,27 +0,0 @@
/*
* Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <arch_helpers.h>
#include <errno.h>
#include <platform.h>
#include <v2m_def.h>
#define V2M_SYS_NVFLAGS_ADDR (V2M_SYSREGS_BASE + V2M_SYS_NVFLAGS)
/*
* Juno error handler
*/
void plat_error_handler(int err)
{
uint32_t *flags_ptr = (uint32_t *)V2M_SYS_NVFLAGS_ADDR;
/* Propagate the err code in the NV-flags register */
*flags_ptr = err;
/* Loop until the watchdog resets the system */
for (;;)
wfi();
}

4
plat/arm/board/juno/platform.mk
View file

@ -49,12 +49,10 @@ BL1_SOURCES += lib/cpus/aarch64/cortex_a53.S \
lib/cpus/aarch64/cortex_a57.S \
lib/cpus/aarch64/cortex_a72.S \
plat/arm/board/juno/juno_bl1_setup.c \
plat/arm/board/juno/juno_err.c \
${JUNO_INTERCONNECT_SOURCES} \
${JUNO_SECURITY_SOURCES}
BL2_SOURCES += plat/arm/board/juno/juno_err.c \
plat/arm/board/juno/juno_bl2_setup.c \
BL2_SOURCES += plat/arm/board/juno/juno_bl2_setup.c \
${JUNO_SECURITY_SOURCES}
BL2U_SOURCES += ${JUNO_SECURITY_SOURCES}

12
plat/arm/common/arm_bl1_setup.c
View file

@ -145,3 +145,15 @@ void bl1_plat_prepare_exit(entry_point_info_t *ep_info)
sev();
#endif
}
/*******************************************************************************
* The following function checks if Firmware update is needed,
* by checking if TOC in FIP image is valid or not.
******************************************************************************/
unsigned int bl1_plat_get_next_image_id(void)
{
if (!arm_io_is_toc_valid())
return NS_BL1U_IMAGE_ID;
return BL2_IMAGE_ID;
}

2
plat/arm/common/arm_bl2u_setup.c
View file

@ -8,6 +8,7 @@
#include <arm_def.h>
#include <bl_common.h>
#include <console.h>
#include <generic_delay_timer.h>
#include <plat_arm.h>
#include <platform_def.h>
#include <platform.h>
@ -37,6 +38,7 @@ void arm_bl2u_early_platform_setup(meminfo_t *mem_layout, void *plat_info)
/* Initialize the console to provide early debug support */
console_init(PLAT_ARM_BOOT_UART_BASE, PLAT_ARM_BOOT_UART_CLK_IN_HZ,
ARM_CONSOLE_BAUDRATE);
generic_delay_timer_init();
}
/*******************************************************************************

2
plat/arm/common/arm_common.mk
View file

@ -137,6 +137,7 @@ BL1_SOURCES += drivers/arm/sp805/sp805.c \
drivers/io/io_storage.c \
plat/arm/common/arm_bl1_setup.c \
plat/arm/common/arm_dyn_cfg.c \
plat/arm/common/arm_err.c \
plat/arm/common/arm_io_storage.c
ifdef EL3_PAYLOAD_BASE
# Need the arm_program_trusted_mailbox() function to release secondary CPUs from
@ -150,6 +151,7 @@ BL2_SOURCES += drivers/delay_timer/delay_timer.c \
drivers/io/io_memmap.c \
drivers/io/io_storage.c \
plat/arm/common/arm_bl2_setup.c \
plat/arm/common/arm_err.c \
plat/arm/common/arm_io_storage.c
# Add `libfdt` and Arm common helpers required for Dynamic Config

7
plat/arm/board/fvp/fvp_err.c → plat/arm/common/arm_err.c
View file

@ -6,6 +6,7 @@
#include <arch_helpers.h>
#include <board_arm_def.h>
#include <console.h>
#include <debug.h>
#include <errno.h>
#include <norflash.h>
@ -13,7 +14,7 @@
#include <stdint.h>
/*
* FVP error handler
* ARM common implementation for error handler
*/
void plat_error_handler(int err)
{
@ -26,7 +27,7 @@ void plat_error_handler(int err)
INFO("Erasing FIP ToC from flash...\n");
nor_unlock(PLAT_ARM_FIP_BASE);
ret = nor_word_program(PLAT_ARM_FIP_BASE, 0);
if (ret) {
if (ret != 0) {
ERROR("Cannot erase ToC\n");
} else {
INFO("Done\n");
@ -37,6 +38,8 @@ void plat_error_handler(int err)
break;
}
(void)console_flush();
/* Loop until the watchdog resets the system */
for (;;)
wfi();