hikey*: Add LOAD_IMAGE_V2 support

Signed-off-by: Victor Chong <victor.chong@linaro.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
This commit is contained in:
Victor Chong 2017-08-17 15:21:10 +09:00
parent a87a1fb3ed
commit 2de0c5cc4f
15 changed files with 751 additions and 26 deletions

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@ -58,13 +58,35 @@ meminfo_t *bl1_plat_sec_mem_layout(void)
return &bl1_tzram_layout;
}
#if LOAD_IMAGE_V2
/*******************************************************************************
* Function that takes a memory layout into which BL2 has been loaded and
* populates a new memory layout for BL2 that ensures that BL1's data sections
* resident in secure RAM are not visible to BL2.
******************************************************************************/
void bl1_init_bl2_mem_layout(const meminfo_t *bl1_mem_layout,
meminfo_t *bl2_mem_layout)
{
assert(bl1_mem_layout != NULL);
assert(bl2_mem_layout != NULL);
/*
* Cannot remove BL1 RW data from the scope of memory visible to BL2
* like arm platforms because they overlap in hikey
*/
bl2_mem_layout->total_base = BL2_BASE;
bl2_mem_layout->total_size = BL32_SRAM_LIMIT - BL2_BASE;
flush_dcache_range((unsigned long)bl2_mem_layout, sizeof(meminfo_t));
}
#endif /* LOAD_IMAGE_V2 */
/*
* Perform any BL1 specific platform actions.
*/
void bl1_early_platform_setup(void)
{
const size_t bl1_size = BL1_RAM_LIMIT - BL1_RAM_BASE;
/* Initialize the console to provide early debug support */
console_init(CONSOLE_BASE, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE);
@ -72,16 +94,18 @@ void bl1_early_platform_setup(void)
bl1_tzram_layout.total_base = BL1_RW_BASE;
bl1_tzram_layout.total_size = BL1_RW_SIZE;
#if !LOAD_IMAGE_V2
/* Calculate how much RAM BL1 is using and how much remains free */
bl1_tzram_layout.free_base = BL1_RW_BASE;
bl1_tzram_layout.free_size = BL1_RW_SIZE;
reserve_mem(&bl1_tzram_layout.free_base,
&bl1_tzram_layout.free_size,
BL1_RAM_BASE,
bl1_size);
BL1_RAM_LIMIT - BL1_RAM_BASE); /* bl1_size */
#endif
INFO("BL1: 0x%lx - 0x%lx [size = %lu]\n", BL1_RAM_BASE, BL1_RAM_LIMIT,
bl1_size);
BL1_RAM_LIMIT - BL1_RAM_BASE); /* bl1_size */
}
/*

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@ -0,0 +1,128 @@
/*
* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <bl_common.h>
#include <desc_image_load.h>
#include <platform.h>
#include <platform_def.h>
/*******************************************************************************
* Following descriptor provides BL image/ep information that gets used
* by BL2 to load the images and also subset of this information is
* passed to next BL image. The image loading sequence is managed by
* populating the images in required loading order. The image execution
* sequence is managed by populating the `next_handoff_image_id` with
* the next executable image id.
******************************************************************************/
static bl_mem_params_node_t bl2_mem_params_descs[] = {
#ifdef SCP_BL2_BASE
/* Fill SCP_BL2 related information if it exists */
{
.image_id = SCP_BL2_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY,
VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE),
SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
VERSION_2, image_info_t, 0),
.image_info.image_base = SCP_BL2_BASE,
.image_info.image_max_size = SCP_BL2_SIZE,
.next_handoff_image_id = INVALID_IMAGE_ID,
},
#endif /* SCP_BL2_BASE */
#ifdef EL3_PAYLOAD_BASE
/* Fill EL3 payload related information (BL31 is EL3 payload)*/
{
.image_id = BL31_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t,
SECURE | EXECUTABLE | EP_FIRST_EXE),
.ep_info.pc = EL3_PAYLOAD_BASE,
.ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
DISABLE_ALL_EXCEPTIONS),
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t,
IMAGE_ATTRIB_PLAT_SETUP | IMAGE_ATTRIB_SKIP_LOADING),
.next_handoff_image_id = INVALID_IMAGE_ID,
},
#else /* EL3_PAYLOAD_BASE */
/* Fill BL31 related information */
{
.image_id = BL31_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t,
SECURE | EXECUTABLE | EP_FIRST_EXE),
.ep_info.pc = BL31_BASE,
.ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
DISABLE_ALL_EXCEPTIONS),
#if DEBUG
.ep_info.args.arg1 = HIKEY_BL31_PLAT_PARAM_VAL,
#endif
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP),
.image_info.image_base = BL31_BASE,
.image_info.image_max_size = BL31_LIMIT - BL31_BASE,
# ifdef BL32_BASE
.next_handoff_image_id = BL32_IMAGE_ID,
# else
.next_handoff_image_id = BL33_IMAGE_ID,
# endif
},
# ifdef BL32_BASE
/* Fill BL32 related information */
{
.image_id = BL32_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t, SECURE | EXECUTABLE),
.ep_info.pc = BL32_BASE,
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, 0),
.image_info.image_base = BL32_BASE,
.image_info.image_max_size = BL32_LIMIT - BL32_BASE,
.next_handoff_image_id = BL33_IMAGE_ID,
},
# endif /* BL32_BASE */
/* Fill BL33 related information */
{
.image_id = BL33_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE),
# ifdef PRELOADED_BL33_BASE
.ep_info.pc = PRELOADED_BL33_BASE,
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING),
# else
.ep_info.pc = HIKEY_NS_IMAGE_OFFSET,
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, 0),
.image_info.image_base = HIKEY_NS_IMAGE_OFFSET,
.image_info.image_max_size = 0x200000 /* 2MB */,
# endif /* PRELOADED_BL33_BASE */
.next_handoff_image_id = INVALID_IMAGE_ID,
}
#endif /* EL3_PAYLOAD_BASE */
};
REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)

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@ -9,6 +9,7 @@
#include <bl_common.h>
#include <console.h>
#include <debug.h>
#include <desc_image_load.h>
#include <dw_mmc.h>
#include <emmc.h>
#include <errno.h>
@ -44,6 +45,13 @@
static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
#if !LOAD_IMAGE_V2
/*******************************************************************************
* This structure represents the superset of information that is passed to
* BL31, e.g. while passing control to it from BL2, bl31_params
* and other platform specific params
******************************************************************************/
typedef struct bl2_to_bl31_params_mem {
bl31_params_t bl31_params;
image_info_t bl31_image_info;
@ -68,8 +76,17 @@ void bl2_plat_get_scp_bl2_meminfo(meminfo_t *scp_bl2_meminfo)
scp_bl2_meminfo->free_base = SCP_BL2_BASE;
scp_bl2_meminfo->free_size = SCP_BL2_SIZE;
}
#endif /* LOAD_IMAGE_V2 */
/*******************************************************************************
* Transfer SCP_BL2 from Trusted RAM using the SCP Download protocol.
* Return 0 on success, -1 otherwise.
******************************************************************************/
#if LOAD_IMAGE_V2
int plat_hikey_bl2_handle_scp_bl2(image_info_t *scp_bl2_image_info)
#else
int bl2_plat_handle_scp_bl2(struct image_info *scp_bl2_image_info)
#endif
{
/* Enable MCU SRAM */
hisi_mcu_enable_sram();
@ -87,6 +104,103 @@ int bl2_plat_handle_scp_bl2(struct image_info *scp_bl2_image_info)
return 0;
}
/*******************************************************************************
* Gets SPSR for BL32 entry
******************************************************************************/
uint32_t hikey_get_spsr_for_bl32_entry(void)
{
/*
* The Secure Payload Dispatcher service is responsible for
* setting the SPSR prior to entry into the BL3-2 image.
*/
return 0;
}
/*******************************************************************************
* Gets SPSR for BL33 entry
******************************************************************************/
#ifndef AARCH32
uint32_t hikey_get_spsr_for_bl33_entry(void)
{
unsigned int mode;
uint32_t spsr;
/* Figure out what mode we enter the non-secure world in */
mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1;
/*
* TODO: Consider the possibility of specifying the SPSR in
* the FIP ToC and allowing the platform to have a say as
* well.
*/
spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
#else
uint32_t hikey_get_spsr_for_bl33_entry(void)
{
unsigned int hyp_status, mode, spsr;
hyp_status = GET_VIRT_EXT(read_id_pfr1());
mode = (hyp_status) ? MODE32_hyp : MODE32_svc;
/*
* TODO: Consider the possibility of specifying the SPSR in
* the FIP ToC and allowing the platform to have a say as
* well.
*/
spsr = SPSR_MODE32(mode, plat_get_ns_image_entrypoint() & 0x1,
SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
#endif /* AARCH32 */
#if LOAD_IMAGE_V2
int hikey_bl2_handle_post_image_load(unsigned int image_id)
{
int err = 0;
bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
assert(bl_mem_params);
switch (image_id) {
#ifdef AARCH64
case BL32_IMAGE_ID:
bl_mem_params->ep_info.spsr = hikey_get_spsr_for_bl32_entry();
break;
#endif
case BL33_IMAGE_ID:
/* BL33 expects to receive the primary CPU MPID (through r0) */
bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr();
bl_mem_params->ep_info.spsr = hikey_get_spsr_for_bl33_entry();
break;
#ifdef SCP_BL2_BASE
case SCP_BL2_IMAGE_ID:
/* The subsequent handling of SCP_BL2 is platform specific */
err = plat_hikey_bl2_handle_scp_bl2(&bl_mem_params->image_info);
if (err) {
WARN("Failure in platform-specific handling of SCP_BL2 image.\n");
}
break;
#endif
}
return err;
}
/*******************************************************************************
* This function can be used by the platforms to update/use image
* information for given `image_id`.
******************************************************************************/
int bl2_plat_handle_post_image_load(unsigned int image_id)
{
return hikey_bl2_handle_post_image_load(image_id);
}
#else /* LOAD_IMAGE_V2 */
bl31_params_t *bl2_plat_get_bl31_params(void)
{
bl31_params_t *bl2_to_bl31_params = NULL;
@ -133,6 +247,10 @@ bl31_params_t *bl2_plat_get_bl31_params(void)
struct entry_point_info *bl2_plat_get_bl31_ep_info(void)
{
#if DEBUG
bl31_params_mem.bl31_ep_info.args.arg1 = HIKEY_BL31_PLAT_PARAM_VAL;
#endif
return &bl31_params_mem.bl31_ep_info;
}
@ -217,6 +335,7 @@ void bl2_plat_get_bl33_meminfo(meminfo_t *bl33_meminfo)
bl33_meminfo->free_base = DDR_BASE;
bl33_meminfo->free_size = DDR_SIZE;
}
#endif /* LOAD_IMAGE_V2 */
static void reset_dwmmc_clk(void)
{

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@ -81,8 +81,13 @@ entry_point_info_t *bl31_plat_get_next_image_ep_info(unsigned int type)
return NULL;
}
#if LOAD_IMAGE_V2
void bl31_early_platform_setup(void *from_bl2,
void *plat_params_from_bl2)
#else
void bl31_early_platform_setup(bl31_params_t *from_bl2,
void *plat_params_from_bl2)
#endif
{
/* Initialize the console to provide early debug support */
console_init(CONSOLE_BASE, PL011_UART_CLK_IN_HZ, PL011_BAUDRATE);
@ -91,12 +96,50 @@ void bl31_early_platform_setup(bl31_params_t *from_bl2,
cci_init(CCI400_BASE, cci_map, ARRAY_SIZE(cci_map));
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
#if LOAD_IMAGE_V2
/*
* Check params passed from BL2 should not be NULL,
*/
bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2;
assert(params_from_bl2 != NULL);
assert(params_from_bl2->h.type == PARAM_BL_PARAMS);
assert(params_from_bl2->h.version >= VERSION_2);
bl_params_node_t *bl_params = params_from_bl2->head;
/*
* Copy BL33 and BL32 (if present), entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
while (bl_params) {
if (bl_params->image_id == BL32_IMAGE_ID)
bl32_ep_info = *bl_params->ep_info;
if (bl_params->image_id == BL33_IMAGE_ID)
bl33_ep_info = *bl_params->ep_info;
bl_params = bl_params->next_params_info;
}
if (bl33_ep_info.pc == 0)
panic();
#else /* LOAD_IMAGE_V2 */
/*
* Check params passed from BL2 should not be NULL,
*/
assert(from_bl2 != NULL);
assert(from_bl2->h.type == PARAM_BL31);
assert(from_bl2->h.version >= VERSION_1);
/*
* Copy BL3-2 and BL3-3 entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
bl32_ep_info = *from_bl2->bl32_ep_info;
bl33_ep_info = *from_bl2->bl33_ep_info;
#endif /* LOAD_IMAGE_V2 */
}
void bl31_plat_arch_setup(void)

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@ -0,0 +1,34 @@
/*
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <bl_common.h>
#include <desc_image_load.h>
#include <platform.h>
/*******************************************************************************
* This function flushes the data structures so that they are visible
* in memory for the next BL image.
******************************************************************************/
void plat_flush_next_bl_params(void)
{
flush_bl_params_desc();
}
/*******************************************************************************
* This function returns the list of loadable images.
******************************************************************************/
bl_load_info_t *plat_get_bl_image_load_info(void)
{
return get_bl_load_info_from_mem_params_desc();
}
/*******************************************************************************
* This function returns the list of executable images.
******************************************************************************/
bl_params_t *plat_get_next_bl_params(void)
{
return get_next_bl_params_from_mem_params_desc();
}

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@ -10,6 +10,9 @@
#include <arch.h>
#include "../hikey_def.h"
/* Special value used to verify platform parameters from BL2 to BL3-1 */
#define HIKEY_BL31_PLAT_PARAM_VAL 0x0f1e2d3c4b5a6978ULL
/*
* Generic platform constants
*/
@ -94,7 +97,7 @@
/*
* BL31 specific defines.
*/
#define BL31_BASE BL2_LIMIT
#define BL31_BASE BL2_LIMIT /* 0xf985_8000 */
#define BL31_LIMIT 0xF9898000
/*

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@ -4,6 +4,9 @@
# SPDX-License-Identifier: BSD-3-Clause
#
# Enable version2 of image loading
LOAD_IMAGE_V2 := 1
# On Hikey, the TSP can execute from TZC secure area in DRAM (default)
# or SRAM.
HIKEY_TSP_RAM_LOCATION := dram
@ -70,6 +73,12 @@ BL2_SOURCES += drivers/arm/sp804/sp804_delay_timer.c \
plat/hisilicon/hikey/hisi_dvfs.c \
plat/hisilicon/hikey/hisi_mcu.c
ifeq (${LOAD_IMAGE_V2},1)
BL2_SOURCES += plat/hisilicon/hikey/hikey_bl2_mem_params_desc.c \
plat/hisilicon/hikey/hikey_image_load.c \
common/desc_image_load.c
endif
HIKEY_GIC_SOURCES := drivers/arm/gic/common/gic_common.c \
drivers/arm/gic/v2/gicv2_main.c \
drivers/arm/gic/v2/gicv2_helpers.c \

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@ -74,12 +74,35 @@ meminfo_t *bl1_plat_sec_mem_layout(void)
return &bl1_tzram_layout;
}
#if LOAD_IMAGE_V2
/*******************************************************************************
* Function that takes a memory layout into which BL2 has been loaded and
* populates a new memory layout for BL2 that ensures that BL1's data sections
* resident in secure RAM are not visible to BL2.
******************************************************************************/
void bl1_init_bl2_mem_layout(const meminfo_t *bl1_mem_layout,
meminfo_t *bl2_mem_layout)
{
assert(bl1_mem_layout != NULL);
assert(bl2_mem_layout != NULL);
/*
* Cannot remove BL1 RW data from the scope of memory visible to BL2
* like arm platforms because they overlap in hikey960
*/
bl2_mem_layout->total_base = BL2_BASE;
bl2_mem_layout->total_size = NS_BL1U_LIMIT - BL2_BASE;
flush_dcache_range((unsigned long)bl2_mem_layout, sizeof(meminfo_t));
}
#endif /* LOAD_IMAGE_V2 */
/*
* Perform any BL1 specific platform actions.
*/
void bl1_early_platform_setup(void)
{
const size_t bl1_size = BL1_RAM_LIMIT - BL1_RAM_BASE;
unsigned int id, uart_base;
generic_delay_timer_init();
@ -95,16 +118,18 @@ void bl1_early_platform_setup(void)
bl1_tzram_layout.total_base = BL1_RW_BASE;
bl1_tzram_layout.total_size = BL1_RW_SIZE;
#if !LOAD_IMAGE_V2
/* Calculate how much RAM BL1 is using and how much remains free */
bl1_tzram_layout.free_base = BL1_RW_BASE;
bl1_tzram_layout.free_size = BL1_RW_SIZE;
reserve_mem(&bl1_tzram_layout.free_base,
&bl1_tzram_layout.free_size,
BL1_RAM_BASE,
bl1_size);
BL1_RAM_LIMIT - BL1_RAM_BASE); /* bl1_size */
#endif /* LOAD_IMAGE_V2 */
INFO("BL1: 0x%lx - 0x%lx [size = %lu]\n", BL1_RAM_BASE, BL1_RAM_LIMIT,
bl1_size);
BL1_RAM_LIMIT - BL1_RAM_BASE); /* bl1_size */
}
/*

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@ -0,0 +1,128 @@
/*
* Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <bl_common.h>
#include <desc_image_load.h>
#include <platform.h>
#include <platform_def.h>
/*******************************************************************************
* Following descriptor provides BL image/ep information that gets used
* by BL2 to load the images and also subset of this information is
* passed to next BL image. The image loading sequence is managed by
* populating the images in required loading order. The image execution
* sequence is managed by populating the `next_handoff_image_id` with
* the next executable image id.
******************************************************************************/
static bl_mem_params_node_t bl2_mem_params_descs[] = {
#ifdef SCP_BL2_BASE
/* Fill SCP_BL2 related information if it exists */
{
.image_id = SCP_BL2_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_IMAGE_BINARY,
VERSION_2, entry_point_info_t, SECURE | NON_EXECUTABLE),
SET_STATIC_PARAM_HEAD(image_info, PARAM_IMAGE_BINARY,
VERSION_2, image_info_t, 0),
.image_info.image_base = SCP_BL2_BASE,
.image_info.image_max_size = SCP_BL2_SIZE,
.next_handoff_image_id = INVALID_IMAGE_ID,
},
#endif /* SCP_BL2_BASE */
#ifdef EL3_PAYLOAD_BASE
/* Fill EL3 payload related information (BL31 is EL3 payload)*/
{
.image_id = BL31_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t,
SECURE | EXECUTABLE | EP_FIRST_EXE),
.ep_info.pc = EL3_PAYLOAD_BASE,
.ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
DISABLE_ALL_EXCEPTIONS),
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t,
IMAGE_ATTRIB_PLAT_SETUP | IMAGE_ATTRIB_SKIP_LOADING),
.next_handoff_image_id = INVALID_IMAGE_ID,
},
#else /* EL3_PAYLOAD_BASE */
/* Fill BL31 related information */
{
.image_id = BL31_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t,
SECURE | EXECUTABLE | EP_FIRST_EXE),
.ep_info.pc = BL31_BASE,
.ep_info.spsr = SPSR_64(MODE_EL3, MODE_SP_ELX,
DISABLE_ALL_EXCEPTIONS),
#if DEBUG
.ep_info.args.arg1 = HIKEY960_BL31_PLAT_PARAM_VAL,
#endif
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, IMAGE_ATTRIB_PLAT_SETUP),
.image_info.image_base = BL31_BASE,
.image_info.image_max_size = BL31_LIMIT - BL31_BASE,
# ifdef BL32_BASE
.next_handoff_image_id = BL32_IMAGE_ID,
# else
.next_handoff_image_id = BL33_IMAGE_ID,
# endif
},
# ifdef BL32_BASE
/* Fill BL32 related information */
{
.image_id = BL32_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t, SECURE | EXECUTABLE),
.ep_info.pc = BL32_BASE,
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, 0),
.image_info.image_base = BL32_BASE,
.image_info.image_max_size = BL32_LIMIT - BL32_BASE,
.next_handoff_image_id = BL33_IMAGE_ID,
},
# endif /* BL32_BASE */
/* Fill BL33 related information */
{
.image_id = BL33_IMAGE_ID,
SET_STATIC_PARAM_HEAD(ep_info, PARAM_EP,
VERSION_2, entry_point_info_t, NON_SECURE | EXECUTABLE),
# ifdef PRELOADED_BL33_BASE
.ep_info.pc = PRELOADED_BL33_BASE,
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, IMAGE_ATTRIB_SKIP_LOADING),
# else
.ep_info.pc = NS_BL1U_BASE,
SET_STATIC_PARAM_HEAD(image_info, PARAM_EP,
VERSION_2, image_info_t, 0),
.image_info.image_base = NS_BL1U_BASE,
.image_info.image_max_size = 0x200000 /* 2MB */,
# endif /* PRELOADED_BL33_BASE */
.next_handoff_image_id = INVALID_IMAGE_ID,
}
#endif /* EL3_PAYLOAD_BASE */
};
REGISTER_BL_IMAGE_DESCS(bl2_mem_params_descs)

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@ -9,6 +9,7 @@
#include <bl_common.h>
#include <console.h>
#include <debug.h>
#include <desc_image_load.h>
#include <errno.h>
#include <generic_delay_timer.h>
#include <hi3660.h>
@ -41,6 +42,13 @@
static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
#if !LOAD_IMAGE_V2
/*******************************************************************************
* This structure represents the superset of information that is passed to
* BL31, e.g. while passing control to it from BL2, bl31_params
* and other platform specific params
******************************************************************************/
typedef struct bl2_to_bl31_params_mem {
bl31_params_t bl31_params;
image_info_t bl31_image_info;
@ -108,28 +116,29 @@ bl31_params_t *bl2_plat_get_bl31_params(void)
******************************************************************************/
void bl2_plat_get_scp_bl2_meminfo(meminfo_t *scp_bl2_meminfo)
{
ufs_params_t ufs_params;
memset(&ufs_params, 0, sizeof(ufs_params_t));
ufs_params.reg_base = UFS_REG_BASE;
ufs_params.desc_base = HIKEY960_UFS_DESC_BASE;
ufs_params.desc_size = HIKEY960_UFS_DESC_SIZE;
ufs_params.flags = UFS_FLAGS_SKIPINIT;
ufs_init(NULL, &ufs_params);
hikey960_init_ufs();
hikey960_io_setup();
*scp_bl2_meminfo = bl2_tzram_layout;
}
#endif /* LOAD_IMAGE_V2 */
extern int load_lpm3(void);
/*******************************************************************************
* Transfer SCP_BL2 from Trusted RAM using the SCP Download protocol.
* Return 0 on success, -1 otherwise.
******************************************************************************/
#if LOAD_IMAGE_V2
int plat_hikey960_bl2_handle_scp_bl2(image_info_t *scp_bl2_image_info)
#else
int bl2_plat_handle_scp_bl2(image_info_t *scp_bl2_image_info)
#endif
{
int i;
int *buf;
assert(scp_bl2_image_info->image_size < SCP_MEM_SIZE);
assert(scp_bl2_image_info->image_size < SCP_BL2_SIZE);
INFO("BL2: Initiating SCP_BL2 transfer to SCP\n");
@ -152,10 +161,6 @@ int bl2_plat_handle_scp_bl2(image_info_t *scp_bl2_image_info)
INFO("BL2: SCP_BL2 0x%x 0x%x 0x%x 0x%x\n",
buf[i], buf[i+1], buf[i+2], buf[i+3]);
memcpy((void *)SCP_MEM_BASE,
(void *)scp_bl2_image_info->image_base,
scp_bl2_image_info->image_size);
INFO("BL2: SCP_BL2 transferred to SCP\n");
load_lpm3();
@ -164,8 +169,121 @@ int bl2_plat_handle_scp_bl2(image_info_t *scp_bl2_image_info)
return 0;
}
void hikey960_init_ufs(void)
{
ufs_params_t ufs_params;
memset(&ufs_params, 0, sizeof(ufs_params_t));
ufs_params.reg_base = UFS_REG_BASE;
ufs_params.desc_base = HIKEY960_UFS_DESC_BASE;
ufs_params.desc_size = HIKEY960_UFS_DESC_SIZE;
ufs_params.flags = UFS_FLAGS_SKIPINIT;
ufs_init(NULL, &ufs_params);
}
/*******************************************************************************
* Gets SPSR for BL32 entry
******************************************************************************/
uint32_t hikey960_get_spsr_for_bl32_entry(void)
{
/*
* The Secure Payload Dispatcher service is responsible for
* setting the SPSR prior to entry into the BL3-2 image.
*/
return 0;
}
/*******************************************************************************
* Gets SPSR for BL33 entry
******************************************************************************/
#ifndef AARCH32
uint32_t hikey960_get_spsr_for_bl33_entry(void)
{
unsigned int mode;
uint32_t spsr;
/* Figure out what mode we enter the non-secure world in */
mode = EL_IMPLEMENTED(2) ? MODE_EL2 : MODE_EL1;
/*
* TODO: Consider the possibility of specifying the SPSR in
* the FIP ToC and allowing the platform to have a say as
* well.
*/
spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
#else
uint32_t hikey960_get_spsr_for_bl33_entry(void)
{
unsigned int hyp_status, mode, spsr;
hyp_status = GET_VIRT_EXT(read_id_pfr1());
mode = (hyp_status) ? MODE32_hyp : MODE32_svc;
/*
* TODO: Consider the possibility of specifying the SPSR in
* the FIP ToC and allowing the platform to have a say as
* well.
*/
spsr = SPSR_MODE32(mode, plat_get_ns_image_entrypoint() & 0x1,
SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS);
return spsr;
}
#endif /* AARCH32 */
#if LOAD_IMAGE_V2
int hikey960_bl2_handle_post_image_load(unsigned int image_id)
{
int err = 0;
bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
assert(bl_mem_params);
switch (image_id) {
#ifdef AARCH64
case BL32_IMAGE_ID:
bl_mem_params->ep_info.spsr = hikey960_get_spsr_for_bl32_entry();
break;
#endif
case BL33_IMAGE_ID:
/* BL33 expects to receive the primary CPU MPID (through r0) */
bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr();
bl_mem_params->ep_info.spsr = hikey960_get_spsr_for_bl33_entry();
break;
#ifdef SCP_BL2_BASE
case SCP_BL2_IMAGE_ID:
/* The subsequent handling of SCP_BL2 is platform specific */
err = plat_hikey960_bl2_handle_scp_bl2(&bl_mem_params->image_info);
if (err) {
WARN("Failure in platform-specific handling of SCP_BL2 image.\n");
}
break;
#endif
}
return err;
}
/*******************************************************************************
* This function can be used by the platforms to update/use image
* information for given `image_id`.
******************************************************************************/
int bl2_plat_handle_post_image_load(unsigned int image_id)
{
return hikey960_bl2_handle_post_image_load(image_id);
}
#else /* LOAD_IMAGE_V2 */
struct entry_point_info *bl2_plat_get_bl31_ep_info(void)
{
#if DEBUG
bl31_params_mem.bl31_ep_info.args.arg1 = HIKEY960_BL31_PLAT_PARAM_VAL;
#endif
return &bl31_params_mem.bl31_ep_info;
}
@ -250,6 +368,7 @@ void bl2_plat_get_bl33_meminfo(meminfo_t *bl33_meminfo)
bl33_meminfo->free_base = DDR_BASE;
bl33_meminfo->free_size = DDR_SIZE;
}
#endif /* LOAD_IMAGE_V2 */
void bl2_early_platform_setup(meminfo_t *mem_layout)
{

View File

@ -76,8 +76,13 @@ entry_point_info_t *bl31_plat_get_next_image_ep_info(unsigned int type)
return NULL;
}
#if LOAD_IMAGE_V2
void bl31_early_platform_setup(void *from_bl2,
void *plat_params_from_bl2)
#else
void bl31_early_platform_setup(bl31_params_t *from_bl2,
void *plat_params_from_bl2)
#endif
{
unsigned int id, uart_base;
@ -95,12 +100,50 @@ void bl31_early_platform_setup(bl31_params_t *from_bl2,
cci_init(CCI400_REG_BASE, cci_map, ARRAY_SIZE(cci_map));
cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
#if LOAD_IMAGE_V2
/*
* Check params passed from BL2 should not be NULL,
*/
bl_params_t *params_from_bl2 = (bl_params_t *)from_bl2;
assert(params_from_bl2 != NULL);
assert(params_from_bl2->h.type == PARAM_BL_PARAMS);
assert(params_from_bl2->h.version >= VERSION_2);
bl_params_node_t *bl_params = params_from_bl2->head;
/*
* Copy BL33 and BL32 (if present), entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
while (bl_params) {
if (bl_params->image_id == BL32_IMAGE_ID)
bl32_ep_info = *bl_params->ep_info;
if (bl_params->image_id == BL33_IMAGE_ID)
bl33_ep_info = *bl_params->ep_info;
bl_params = bl_params->next_params_info;
}
if (bl33_ep_info.pc == 0)
panic();
#else /* LOAD_IMAGE_V2 */
/*
* Check params passed from BL2 should not be NULL,
*/
assert(from_bl2 != NULL);
assert(from_bl2->h.type == PARAM_BL31);
assert(from_bl2->h.version >= VERSION_1);
/*
* Copy BL3-2 and BL3-3 entry point information.
* They are stored in Secure RAM, in BL2's address space.
*/
bl32_ep_info = *from_bl2->bl32_ep_info;
bl33_ep_info = *from_bl2->bl33_ep_info;
#endif /* LOAD_IMAGE_V2 */
}
void bl31_plat_arch_setup(void)

View File

@ -0,0 +1,40 @@
/*
* Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <bl_common.h>
#include <desc_image_load.h>
#include <platform.h>
#include "hikey960_private.h"
/*******************************************************************************
* This function flushes the data structures so that they are visible
* in memory for the next BL image.
******************************************************************************/
void plat_flush_next_bl_params(void)
{
flush_bl_params_desc();
}
/*******************************************************************************
* This function returns the list of loadable images.
******************************************************************************/
bl_load_info_t *plat_get_bl_image_load_info(void)
{
/* Required before loading scp_bl2 */
hikey960_init_ufs();
hikey960_io_setup();
return get_bl_load_info_from_mem_params_desc();
}
/*******************************************************************************
* This function returns the list of executable images.
******************************************************************************/
bl_params_t *plat_get_next_bl_params(void)
{
return get_next_bl_params_from_mem_params_desc();
}

View File

@ -24,6 +24,7 @@ void hikey960_init_mmu_el3(unsigned long total_base,
unsigned long ro_limit,
unsigned long coh_start,
unsigned long coh_limit);
void hikey960_init_ufs(void);
void hikey960_io_setup(void);
int hikey960_read_boardid(unsigned int *id);
void set_retention_ticks(unsigned int val);

View File

@ -10,6 +10,8 @@
#include <arch.h>
#include "../hikey960_def.h"
/* Special value used to verify platform parameters from BL2 to BL3-1 */
#define HIKEY960_BL31_PLAT_PARAM_VAL 0x0f1e2d3c4b5a6978ULL
/*
* Generic platform constants
@ -91,10 +93,8 @@
#define HIKEY960_NS_IMAGE_OFFSET (0x1AC18000) /* offset in l-loader */
#define HIKEY960_NS_TMP_OFFSET (0x1AE00000)
#define SCP_BL2_BASE BL31_BASE /* 1AC5_8000 */
#define SCP_MEM_BASE (0x89C80000)
#define SCP_MEM_SIZE (0x00040000)
#define SCP_BL2_BASE (0x89C80000)
#define SCP_BL2_SIZE (0x00040000)
/*
* Platform specific page table and MMU setup constants

View File

@ -4,6 +4,9 @@
# SPDX-License-Identifier: BSD-3-Clause
#
# Enable version2 of image loading
LOAD_IMAGE_V2 := 1
# On Hikey960, the TSP can execute from TZC secure area in DRAM.
HIKEY960_TSP_RAM_LOCATION := dram
ifeq (${HIKEY960_TSP_RAM_LOCATION}, dram)
@ -61,6 +64,12 @@ BL2_SOURCES += drivers/io/io_block.c \
plat/hisilicon/hikey960/hikey960_io_storage.c \
plat/hisilicon/hikey960/hikey960_mcu_load.c
ifeq (${LOAD_IMAGE_V2},1)
BL2_SOURCES += plat/hisilicon/hikey960/hikey960_bl2_mem_params_desc.c \
plat/hisilicon/hikey960/hikey960_image_load.c \
common/desc_image_load.c
endif
BL31_SOURCES += drivers/arm/cci/cci.c \
lib/cpus/aarch64/cortex_a53.S \
lib/cpus/aarch64/cortex_a72.S \