224 lines
6.1 KiB
C
224 lines
6.1 KiB
C
/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <debug.h>
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#include <board.h>
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#include <platform.h>
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#include <target.h>
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#include <smem.h>
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#include <baseband.h>
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#include <lib/ptable.h>
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#include <qpic_nand.h>
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#include <ctype.h>
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#include <string.h>
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#include <pm8x41.h>
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#include <reg.h>
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#include <platform/timer.h>
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extern void smem_ptable_init(void);
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extern void smem_add_modem_partitions(struct ptable *flash_ptable);
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static struct ptable flash_ptable;
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/* PMIC config data */
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#define PMIC_ARB_CHANNEL_NUM 0
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#define PMIC_ARB_OWNER_ID 0
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/* NANDc BAM pipe numbers */
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#define DATA_CONSUMER_PIPE 0
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#define DATA_PRODUCER_PIPE 1
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#define CMD_PIPE 2
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/* NANDc BAM pipe groups */
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#define DATA_PRODUCER_PIPE_GRP 0
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#define DATA_CONSUMER_PIPE_GRP 0
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#define CMD_PIPE_GRP 1
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/* NANDc EE */
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#define QPIC_NAND_EE 0
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/* NANDc max desc length. */
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#define QPIC_NAND_MAX_DESC_LEN 0x7FFF
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#define LAST_NAND_PTN_LEN_PATTERN 0xFFFFFFFF
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struct qpic_nand_init_config config;
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void update_ptable_names(void)
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{
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uint32_t ptn_index;
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struct ptentry *ptentry_ptr = flash_ptable.parts;
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struct ptentry *boot_ptn;
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unsigned i;
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uint32_t len;
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/* Change all names to lower case. */
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for (ptn_index = 0; ptn_index != (uint32_t)flash_ptable.count; ptn_index++)
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{
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len = strlen(ptentry_ptr[ptn_index].name);
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for (i = 0; i < len; i++)
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{
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if (isupper(ptentry_ptr[ptn_index].name[i]))
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{
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ptentry_ptr[ptn_index].name[i] = tolower(ptentry_ptr[ptn_index].name[i]);
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}
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}
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/* SBL fills in the last partition length as 0xFFFFFFFF.
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* Update the length field based on the number of blocks on the flash.
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*/
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if ((uint32_t)(ptentry_ptr[ptn_index].length) == LAST_NAND_PTN_LEN_PATTERN)
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{
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ptentry_ptr[ptn_index].length = flash_num_blocks() - ptentry_ptr[ptn_index].start;
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}
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}
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/* Rename apps ptn to boot. */
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boot_ptn = ptable_find(&flash_ptable, "apps");
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strcpy(boot_ptn->name, "boot");
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/* Rename appsbl ptn to aboot. */
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boot_ptn = ptable_find(&flash_ptable, "appsbl");
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strcpy(boot_ptn->name, "aboot");
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}
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void target_early_init(void)
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{
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#if WITH_DEBUG_UART
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uart_dm_init(3, 0, MSM_UART2_BASE);
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#endif
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}
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/* init */
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void target_init(void)
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{
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dprintf(INFO, "target_init()\n");
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spmi_init(PMIC_ARB_CHANNEL_NUM, PMIC_ARB_OWNER_ID);
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config.pipes.read_pipe = DATA_PRODUCER_PIPE;
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config.pipes.write_pipe = DATA_CONSUMER_PIPE;
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config.pipes.cmd_pipe = CMD_PIPE;
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config.pipes.read_pipe_grp = DATA_PRODUCER_PIPE_GRP;
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config.pipes.write_pipe_grp = DATA_CONSUMER_PIPE_GRP;
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config.pipes.cmd_pipe_grp = CMD_PIPE_GRP;
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config.bam_base = MSM_NAND_BAM_BASE;
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config.nand_base = MSM_NAND_BASE;
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config.ee = QPIC_NAND_EE;
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config.max_desc_len = QPIC_NAND_MAX_DESC_LEN;
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qpic_nand_init(&config);
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ptable_init(&flash_ptable);
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smem_ptable_init();
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smem_add_modem_partitions(&flash_ptable);
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update_ptable_names();
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flash_set_ptable(&flash_ptable);
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}
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/* reboot */
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void reboot_device(unsigned reboot_reason)
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{
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uint32_t version = board_soc_version();
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/* Write the reboot reason */
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if(version >= 0x20000)
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writel(reboot_reason, RESTART_REASON_ADDR_V2);
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else
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writel(reboot_reason, RESTART_REASON_ADDR);
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/* Configure PMIC for warm reset */
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/* PM 8019 v1 aligns with PM8941 v2.
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* This call should be based on the pmic version
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* when PM8019 v2 is available.
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*/
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pm8x41_v2_reset_configure(PON_PSHOLD_WARM_RESET);
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/* Drop PS_HOLD for MSM */
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writel(0x00, MPM2_MPM_PS_HOLD);
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mdelay(5000);
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dprintf(CRITICAL, "Rebooting failed\n");
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return;
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}
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/* Identify the current target */
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void target_detect(struct board_data *board)
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{
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/* This property is filled as part of board.c */
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}
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unsigned board_machtype(void)
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{
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return board_target_id();
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}
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/* Identify the baseband being used */
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void target_baseband_detect(struct board_data *board)
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{
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/* Check for baseband variants. Default to MSM */
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if (board->platform_subtype == HW_PLATFORM_SUBTYPE_UNKNOWN)
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{
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board->baseband = BASEBAND_MSM;
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}
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else
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{
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dprintf(CRITICAL, "Could not identify baseband id (%d)\n",
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board->platform_subtype);
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ASSERT(0);
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}
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}
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unsigned check_reboot_mode(void)
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{
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unsigned restart_reason = 0;
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uint32_t version = board_soc_version();
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/* Read reboot reason and scrub it */
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if(version >= 0x20000) {
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restart_reason = readl(RESTART_REASON_ADDR_V2);
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writel(0x00, RESTART_REASON_ADDR_V2);
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}
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else {
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restart_reason = readl(RESTART_REASON_ADDR);
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writel(0x00, RESTART_REASON_ADDR);
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}
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return restart_reason;
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}
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