mirror of
https://github.com/ARM-software/arm-trusted-firmware.git
synced 2025-05-06 11:08:54 +00:00
6c07a9273b
This patch makes changes required to get the morello platform working with the tip of TF-A. Change-Id: I095006615c9959bba49fcc75b52e1de7d7486309 Signed-off-by: Chandni Cherukuri <chandni.cherukuri@arm.com>
131 lines
3.4 KiB
C
131 lines
3.4 KiB
C
/*
|
|
* Copyright (c) 2020, Arm Limited. All rights reserved.
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#include <common/debug.h>
|
|
#include <drivers/arm/css/css_mhu_doorbell.h>
|
|
#include <drivers/arm/css/scmi.h>
|
|
#include <drivers/arm/css/sds.h>
|
|
#include <plat/arm/common/plat_arm.h>
|
|
|
|
#include "morello_def.h"
|
|
#include <platform_def.h>
|
|
|
|
/*
|
|
* Platform information structure stored in SDS.
|
|
* This structure holds information about platform's DDR
|
|
* size which is an information about multichip setup
|
|
* - multichip mode
|
|
* - slave_count
|
|
* - Local DDR size in GB, DDR memory in master board
|
|
* - Remote DDR size in GB, DDR memory in slave board
|
|
*/
|
|
struct morello_plat_info {
|
|
bool multichip_mode;
|
|
uint8_t slave_count;
|
|
uint8_t local_ddr_size;
|
|
uint8_t remote_ddr_size;
|
|
} __packed;
|
|
|
|
/*
|
|
* BL33 image information structure stored in SDS.
|
|
* This structure holds the source & destination addresses and
|
|
* the size of the BL33 image which will be loaded by BL31.
|
|
*/
|
|
struct morello_bl33_info {
|
|
uint32_t bl33_src_addr;
|
|
uint32_t bl33_dst_addr;
|
|
uint32_t bl33_size;
|
|
};
|
|
|
|
static scmi_channel_plat_info_t morello_scmi_plat_info = {
|
|
.scmi_mbx_mem = MORELLO_SCMI_PAYLOAD_BASE,
|
|
.db_reg_addr = PLAT_CSS_MHU_BASE + CSS_SCMI_MHU_DB_REG_OFF,
|
|
.db_preserve_mask = 0xfffffffe,
|
|
.db_modify_mask = 0x1,
|
|
.ring_doorbell = &mhu_ring_doorbell
|
|
};
|
|
|
|
scmi_channel_plat_info_t *plat_css_get_scmi_info(int channel_id)
|
|
{
|
|
return &morello_scmi_plat_info;
|
|
}
|
|
|
|
const plat_psci_ops_t *plat_arm_psci_override_pm_ops(plat_psci_ops_t *ops)
|
|
{
|
|
return css_scmi_override_pm_ops(ops);
|
|
}
|
|
|
|
static void copy_bl33(uint32_t src, uint32_t dst, uint32_t size)
|
|
{
|
|
unsigned int i;
|
|
|
|
INFO("Copying BL33 to DDR memory...\n");
|
|
for (i = 0U; i < size; (i = i + 8U))
|
|
mmio_write_64((dst + i), mmio_read_64(src + i));
|
|
|
|
for (i = 0U; i < size; (i = i + 8U)) {
|
|
if (mmio_read_64(src + i) != mmio_read_64(dst + i)) {
|
|
ERROR("Copy failed!\n");
|
|
panic();
|
|
}
|
|
}
|
|
INFO("done\n");
|
|
}
|
|
|
|
void bl31_platform_setup(void)
|
|
{
|
|
int ret;
|
|
struct morello_plat_info plat_info;
|
|
struct morello_bl33_info bl33_info;
|
|
|
|
ret = sds_init();
|
|
if (ret != SDS_OK) {
|
|
ERROR("SDS initialization failed. ret:%d\n", ret);
|
|
panic();
|
|
}
|
|
|
|
ret = sds_struct_read(MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
|
|
MORELLO_SDS_PLATFORM_INFO_OFFSET,
|
|
&plat_info,
|
|
MORELLO_SDS_PLATFORM_INFO_SIZE,
|
|
SDS_ACCESS_MODE_NON_CACHED);
|
|
if (ret != SDS_OK) {
|
|
ERROR("Error getting platform info from SDS. ret:%d\n", ret);
|
|
panic();
|
|
}
|
|
|
|
/* Validate plat_info SDS */
|
|
if ((plat_info.local_ddr_size == 0U)
|
|
|| (plat_info.local_ddr_size > MORELLO_MAX_DDR_CAPACITY_GB)
|
|
|| (plat_info.remote_ddr_size > MORELLO_MAX_DDR_CAPACITY_GB)
|
|
|| (plat_info.slave_count > MORELLO_MAX_SLAVE_COUNT)) {
|
|
ERROR("platform info SDS is corrupted\n");
|
|
panic();
|
|
}
|
|
|
|
arm_bl31_platform_setup();
|
|
|
|
ret = sds_struct_read(MORELLO_SDS_BL33_INFO_STRUCT_ID,
|
|
MORELLO_SDS_BL33_INFO_OFFSET,
|
|
&bl33_info,
|
|
MORELLO_SDS_BL33_INFO_SIZE,
|
|
SDS_ACCESS_MODE_NON_CACHED);
|
|
if (ret != SDS_OK) {
|
|
ERROR("Error getting BL33 info from SDS. ret:%d\n", ret);
|
|
panic();
|
|
}
|
|
copy_bl33(bl33_info.bl33_src_addr,
|
|
bl33_info.bl33_dst_addr,
|
|
bl33_info.bl33_size);
|
|
/*
|
|
* Pass platform information to BL33. This method is followed as
|
|
* currently there is no BL1/BL2 involved in boot flow of MORELLO.
|
|
* When TBBR is implemented for MORELLO, this method should be removed
|
|
* and platform information should be passed to BL33 using NT_FW_CONFIG
|
|
* passing mechanism.
|
|
*/
|
|
mmio_write_32(MORELLO_PLATFORM_INFO_BASE, *(uint32_t *)&plat_info);
|
|
}
|