420 lines
9.5 KiB
C
420 lines
9.5 KiB
C
/*
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* linux/arch/arm/mach-omap2/board-rx51-flash.c
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*
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* Copyright (C) 2008-2009 Nokia
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/input.h>
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#include <linux/spi/spi.h>
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#include <linux/i2c.h>
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#include <linux/i2c/twl4030.h>
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/regulator/machine.h>
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#include <linux/gpio.h>
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#include <mach/mcspi.h>
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#include <mach/mux.h>
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#include <mach/board.h>
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#include <mach/common.h>
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#include <mach/dma.h>
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#include <mach/gpmc.h>
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#include <mach/keypad.h>
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#include <mach/onenand.h>
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#include <mach/gpmc-smc91x.h>
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#include "mmc-twl4030.h"
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#define SYSTEM_REV_B_USES_VAUX3 0x1699
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#define SYSTEM_REV_S_USES_VAUX3 0x8
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static int rx51_keymap[] = {
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KEY(0, 0, KEY_Q),
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KEY(0, 1, KEY_W),
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KEY(0, 2, KEY_E),
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KEY(0, 3, KEY_R),
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KEY(0, 4, KEY_T),
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KEY(0, 5, KEY_Y),
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KEY(0, 6, KEY_U),
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KEY(0, 7, KEY_I),
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KEY(1, 0, KEY_O),
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KEY(1, 1, KEY_D),
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KEY(1, 2, KEY_DOT),
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KEY(1, 3, KEY_V),
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KEY(1, 4, KEY_DOWN),
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KEY(2, 0, KEY_P),
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KEY(2, 1, KEY_F),
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KEY(2, 2, KEY_UP),
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KEY(2, 3, KEY_B),
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KEY(2, 4, KEY_RIGHT),
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KEY(3, 0, KEY_COMMA),
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KEY(3, 1, KEY_G),
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KEY(3, 2, KEY_ENTER),
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KEY(3, 3, KEY_N),
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KEY(4, 0, KEY_BACKSPACE),
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KEY(4, 1, KEY_H),
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KEY(4, 3, KEY_M),
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KEY(4, 4, KEY_LEFTCTRL),
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KEY(5, 1, KEY_J),
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KEY(5, 2, KEY_Z),
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KEY(5, 3, KEY_SPACE),
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KEY(5, 4, KEY_LEFTSHIFT),
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KEY(6, 0, KEY_A),
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KEY(6, 1, KEY_K),
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KEY(6, 2, KEY_X),
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KEY(6, 3, KEY_SPACE),
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KEY(6, 4, KEY_FN),
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KEY(7, 0, KEY_S),
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KEY(7, 1, KEY_L),
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KEY(7, 2, KEY_C),
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KEY(7, 3, KEY_LEFT),
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KEY(0xff, 0, KEY_F6),
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KEY(0xff, 1, KEY_F7),
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KEY(0xff, 2, KEY_F8),
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KEY(0xff, 4, KEY_F9),
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KEY(0xff, 5, KEY_F10),
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};
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static struct twl4030_keypad_data rx51_kp_data = {
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.rows = 8,
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.cols = 8,
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.keymap = rx51_keymap,
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.keymapsize = ARRAY_SIZE(rx51_keymap),
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.rep = 1,
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};
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static struct twl4030_madc_platform_data rx51_madc_data = {
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.irq_line = 1,
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};
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static struct twl4030_hsmmc_info mmc[] = {
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{
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.name = "external",
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.mmc = 1,
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.wires = 4,
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.cover_only = true,
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.gpio_cd = 160,
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.gpio_wp = -EINVAL,
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},
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{
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.name = "internal",
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.mmc = 2,
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.wires = 8,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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},
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{} /* Terminator */
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};
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static struct regulator_consumer_supply rx51_vmmc1_supply = {
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.supply = "vmmc",
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};
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static struct regulator_consumer_supply rx51_vmmc2_supply = {
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.supply = "vmmc",
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};
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static struct regulator_consumer_supply rx51_vsim_supply = {
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.supply = "vmmc_aux",
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};
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static struct regulator_init_data rx51_vaux1 = {
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.constraints = {
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.name = "V28",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data rx51_vaux2 = {
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.constraints = {
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.name = "VCSI",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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/* VAUX3 - adds more power to VIO_18 rail */
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static struct regulator_init_data rx51_vaux3_cam = {
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.constraints = {
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.name = "VCAM_DIG_18",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data rx51_vaux3_mmc = {
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.constraints = {
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.name = "VMMC2_30",
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.min_uV = 2800000,
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.max_uV = 3000000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &rx51_vmmc2_supply,
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};
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static struct regulator_init_data rx51_vaux4 = {
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.constraints = {
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.name = "VCAM_ANA_28",
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.min_uV = 2800000,
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.max_uV = 2800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static struct regulator_init_data rx51_vmmc1 = {
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.constraints = {
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.min_uV = 1850000,
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.max_uV = 3150000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &rx51_vmmc1_supply,
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};
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static struct regulator_init_data rx51_vmmc2 = {
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.constraints = {
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.name = "VMMC2_30",
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.min_uV = 1850000,
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.max_uV = 3150000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &rx51_vmmc2_supply,
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};
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static struct regulator_init_data rx51_vsim = {
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.constraints = {
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.name = "VMMC2_IO_18",
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.min_uV = 1800000,
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.max_uV = 1800000,
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.apply_uV = true,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &rx51_vsim_supply,
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};
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static struct regulator_init_data rx51_vdac = {
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.constraints = {
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.min_uV = 1800000,
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.max_uV = 1800000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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};
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static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
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{
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/* FIXME this gpio setup is just a placeholder for now */
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gpio_request(gpio + 6, "backlight_pwm");
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gpio_direction_output(gpio + 6, 0);
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gpio_request(gpio + 7, "speaker_en");
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gpio_direction_output(gpio + 7, 1);
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/* set up MMC adapters, linking their regulators to them */
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twl4030_mmc_init(mmc);
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rx51_vmmc1_supply.dev = mmc[0].dev;
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rx51_vmmc2_supply.dev = mmc[1].dev;
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rx51_vsim_supply.dev = mmc[1].dev;
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return 0;
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}
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static struct twl4030_gpio_platform_data rx51_gpio_data = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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.irq_base = TWL4030_GPIO_IRQ_BASE,
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.irq_end = TWL4030_GPIO_IRQ_END,
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.pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3)
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| BIT(4) | BIT(5)
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| BIT(8) | BIT(9) | BIT(10) | BIT(11)
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| BIT(12) | BIT(13) | BIT(14) | BIT(15)
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| BIT(16) | BIT(17) ,
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.setup = rx51_twlgpio_setup,
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};
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static struct twl4030_usb_data rx51_usb_data = {
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.usb_mode = T2_USB_MODE_ULPI,
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};
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static struct twl4030_platform_data rx51_twldata = {
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.irq_base = TWL4030_IRQ_BASE,
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.irq_end = TWL4030_IRQ_END,
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/* platform_data for children goes here */
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.gpio = &rx51_gpio_data,
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.keypad = &rx51_kp_data,
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.madc = &rx51_madc_data,
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.usb = &rx51_usb_data,
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.vaux1 = &rx51_vaux1,
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.vaux2 = &rx51_vaux2,
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.vaux4 = &rx51_vaux4,
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.vmmc1 = &rx51_vmmc1,
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.vsim = &rx51_vsim,
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.vdac = &rx51_vdac,
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};
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static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
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{
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I2C_BOARD_INFO("twl5030", 0x48),
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.flags = I2C_CLIENT_WAKE,
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.irq = INT_34XX_SYS_NIRQ,
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.platform_data = &rx51_twldata,
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},
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};
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static int __init rx51_i2c_init(void)
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{
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if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
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system_rev >= SYSTEM_REV_B_USES_VAUX3)
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rx51_twldata.vaux3 = &rx51_vaux3_mmc;
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else {
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rx51_twldata.vaux3 = &rx51_vaux3_cam;
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rx51_twldata.vmmc2 = &rx51_vmmc2;
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}
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omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
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ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
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omap_register_i2c_bus(2, 100, NULL, 0);
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omap_register_i2c_bus(3, 400, NULL, 0);
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return 0;
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}
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#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
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defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
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static struct mtd_partition onenand_partitions[] = {
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{
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.name = "bootloader",
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.offset = 0,
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.size = 0x20000,
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.mask_flags = MTD_WRITEABLE, /* Force read-only */
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},
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{
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.name = "config",
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.offset = MTDPART_OFS_APPEND,
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.size = 0x60000,
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},
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{
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.name = "log",
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.offset = MTDPART_OFS_APPEND,
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.size = 0x40000,
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},
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 0x200000,
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},
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{
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.name = "initfs",
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.offset = MTDPART_OFS_APPEND,
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.size = 0x200000,
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},
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct omap_onenand_platform_data board_onenand_data = {
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.cs = 0,
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.gpio_irq = 65,
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.parts = onenand_partitions,
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.nr_parts = ARRAY_SIZE(onenand_partitions),
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.flags = ONENAND_SYNC_READWRITE,
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};
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static void __init board_onenand_init(void)
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{
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gpmc_onenand_init(&board_onenand_data);
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}
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#else
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static inline void board_onenand_init(void)
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{
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}
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#endif
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#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
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static struct omap_smc91x_platform_data board_smc91x_data = {
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.cs = 1,
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.gpio_irq = 54,
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.gpio_pwrdwn = 86,
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.gpio_reset = 164,
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.flags = GPMC_TIMINGS_SMC91C96 | IORESOURCE_IRQ_HIGHLEVEL,
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};
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static void __init board_smc91x_init(void)
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{
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omap_cfg_reg(U8_34XX_GPIO54_DOWN);
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omap_cfg_reg(G25_34XX_GPIO86_OUT);
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omap_cfg_reg(H19_34XX_GPIO164_OUT);
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gpmc_smc91x_init(&board_smc91x_data);
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}
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#else
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static inline void board_smc91x_init(void)
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{
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}
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#endif
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void __init rx51_peripherals_init(void)
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{
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rx51_i2c_init();
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board_onenand_init();
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board_smc91x_init();
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}
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