M7350/bootable/bootloader/lk/platform/msm_shared/board.c

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2024-09-09 08:52:07 +00:00
/* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <debug.h>
#include <board.h>
#include <smem.h>
#include <baseband.h>
static struct board_data board = {UNKNOWN,
0,
HW_PLATFORM_UNKNOWN,
HW_PLATFORM_SUBTYPE_UNKNOWN,
LINUX_MACHTYPE_UNKNOWN,
BASEBAND_MSM,
{{PMIC_IS_INVALID, 0}, {PMIC_IS_INVALID, 0}, {PMIC_IS_INVALID, 0}},
};
static void platform_detect()
{
struct smem_board_info_v6 board_info_v6;
struct smem_board_info_v7 board_info_v7;
struct smem_board_info_v8 board_info_v8;
unsigned int board_info_len = 0;
unsigned ret = 0;
unsigned format = 0;
uint8_t i;
ret = smem_read_alloc_entry_offset(SMEM_BOARD_INFO_LOCATION,
&format, sizeof(format), 0);
if (ret)
return;
if (format == 6)
{
board_info_len = sizeof(board_info_v6);
ret = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION,
&board_info_v6,
board_info_len);
if (ret)
return;
board.platform = board_info_v6.board_info_v3.msm_id;
board.platform_version = board_info_v6.board_info_v3.msm_version;
board.platform_hw = board_info_v6.board_info_v3.hw_platform;
board.platform_subtype = board_info_v6.platform_subtype;
}
else if (format == 7)
{
board_info_len = sizeof(board_info_v7);
ret = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION,
&board_info_v7,
board_info_len);
if (ret)
return;
board.platform = board_info_v7.board_info_v3.msm_id;
board.platform_version = board_info_v7.board_info_v3.msm_version;
board.platform_hw = board_info_v7.board_info_v3.hw_platform;
board.platform_subtype = board_info_v7.platform_subtype;
board.pmic_info[0].pmic_type = board_info_v7.pmic_type;
board.pmic_info[0].pmic_version = board_info_v7.pmic_version;
}
else if (format == 8)
{
board_info_len = sizeof(board_info_v8);
ret = smem_read_alloc_entry(SMEM_BOARD_INFO_LOCATION,
&board_info_v8,
board_info_len);
if (ret)
return;
board.platform = board_info_v8.board_info_v3.msm_id;
board.platform_version = board_info_v8.board_info_v3.msm_version;
board.platform_hw = board_info_v8.board_info_v3.hw_platform;
board.platform_subtype = board_info_v8.platform_subtype;
for (i = 0; i < SMEM_V8_SMEM_MAX_PMIC_DEVICES; i++) {
board.pmic_info[i].pmic_type = board_info_v8.pmic_info[i].pmic_type;
board.pmic_info[i].pmic_version = board_info_v8.pmic_info[i].pmic_version;
}
}
else
{
dprintf(CRITICAL, "Unsupported board info format\n");
ASSERT(0);
}
}
void board_init()
{
platform_detect();
target_detect(&board);
target_baseband_detect(&board);
}
uint32_t board_platform_id(void)
{
return board.platform;
}
uint32_t board_target_id()
{
return board.target;
}
uint32_t board_baseband()
{
return board.baseband;
}
uint32_t board_hardware_id()
{
return board.platform_hw;
}
uint8_t board_pmic_info(struct board_pmic_data *info, uint8_t num_ent)
{
uint8_t i;
for (i = 0; i < num_ent && i < SMEM_MAX_PMIC_DEVICES; i++) {
info->pmic_type = board.pmic_info[i].pmic_type;
info->pmic_version = board.pmic_info[i].pmic_version;
info++;
}
return (i--);
}
uint32_t board_soc_version()
{
return board.platform_version;
}