diff options
Diffstat (limited to 'arch/arm/mach-mxs/mach-mx28evk.c')
| -rw-r--r-- | arch/arm/mach-mxs/mach-mx28evk.c | 477 | 
1 files changed, 0 insertions, 477 deletions
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c deleted file mode 100644 index dafd48e86c8..00000000000 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ /dev/null @@ -1,477 +0,0 @@ -/* - * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the - * GNU General Public License for more details. - */ - -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <linux/leds.h> -#include <linux/clk.h> -#include <linux/i2c.h> -#include <linux/regulator/machine.h> -#include <linux/regulator/fixed.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> - -#include <mach/common.h> -#include <mach/iomux-mx28.h> -#include <mach/digctl.h> - -#include "devices-mx28.h" - -#define MX28EVK_FLEXCAN_SWITCH	MXS_GPIO_NR(2, 13) -#define MX28EVK_FEC_PHY_POWER	MXS_GPIO_NR(2, 15) -#define MX28EVK_GPIO_LED	MXS_GPIO_NR(3, 5) -#define MX28EVK_BL_ENABLE	MXS_GPIO_NR(3, 18) -#define MX28EVK_LCD_ENABLE	MXS_GPIO_NR(3, 30) -#define MX28EVK_FEC_PHY_RESET	MXS_GPIO_NR(4, 13) - -#define MX28EVK_MMC0_WRITE_PROTECT	MXS_GPIO_NR(2, 12) -#define MX28EVK_MMC1_WRITE_PROTECT	MXS_GPIO_NR(0, 28) -#define MX28EVK_MMC0_SLOT_POWER		MXS_GPIO_NR(3, 28) -#define MX28EVK_MMC1_SLOT_POWER		MXS_GPIO_NR(3, 29) - -static const iomux_cfg_t mx28evk_pads[] __initconst = { -	/* duart */ -	MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL, -	MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL, - -	/* auart0 */ -	MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL, -	MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL, -	MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL, -	MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL, -	/* auart3 */ -	MX28_PAD_AUART3_RX__AUART3_RX | MXS_PAD_CTRL, -	MX28_PAD_AUART3_TX__AUART3_TX | MXS_PAD_CTRL, -	MX28_PAD_AUART3_CTS__AUART3_CTS | MXS_PAD_CTRL, -	MX28_PAD_AUART3_RTS__AUART3_RTS | MXS_PAD_CTRL, - -#define MXS_PAD_FEC	(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP) -	/* fec0 */ -	MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC, -	MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC, -	MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC, -	MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC, -	MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC, -	MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC, -	MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC, -	MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC, -	MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC, -	/* fec1 */ -	MX28_PAD_ENET0_CRS__ENET1_RX_EN | MXS_PAD_FEC, -	MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MXS_PAD_FEC, -	MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MXS_PAD_FEC, -	MX28_PAD_ENET0_COL__ENET1_TX_EN | MXS_PAD_FEC, -	MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MXS_PAD_FEC, -	MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MXS_PAD_FEC, -	/* phy power line */ -	MX28_PAD_SSP1_DATA3__GPIO_2_15 | MXS_PAD_CTRL, -	/* phy reset line */ -	MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | MXS_PAD_CTRL, - -	/* flexcan0 */ -	MX28_PAD_GPMI_RDY2__CAN0_TX, -	MX28_PAD_GPMI_RDY3__CAN0_RX, -	/* flexcan1 */ -	MX28_PAD_GPMI_CE2N__CAN1_TX, -	MX28_PAD_GPMI_CE3N__CAN1_RX, -	/* transceiver power control */ -	MX28_PAD_SSP1_CMD__GPIO_2_13, - -	/* mxsfb (lcdif) */ -	MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL, -	MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL, -	MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL, -	MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL, -	MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL, -	MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL, -	/* LCD panel enable */ -	MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL, -	/* backlight control */ -	MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL, -	/* mmc0 */ -	MX28_PAD_SSP0_DATA0__SSP0_D0 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DATA1__SSP0_D1 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DATA2__SSP0_D2 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DATA3__SSP0_D3 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DATA4__SSP0_D4 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DATA5__SSP0_D5 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DATA6__SSP0_D6 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DATA7__SSP0_D7 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_CMD__SSP0_CMD | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SSP0_DETECT__SSP0_CARD_DETECT | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), -	MX28_PAD_SSP0_SCK__SSP0_SCK | -		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), -	/* write protect */ -	MX28_PAD_SSP1_SCK__GPIO_2_12 | -		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), -	/* slot power enable */ -	MX28_PAD_PWM3__GPIO_3_28 | -		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), - -	/* mmc1 */ -	MX28_PAD_GPMI_D00__SSP1_D0 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_D01__SSP1_D1 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_D02__SSP1_D2 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_D03__SSP1_D3 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_D04__SSP1_D4 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_D05__SSP1_D5 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_D06__SSP1_D6 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_D07__SSP1_D7 | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_RDY1__SSP1_CMD | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_GPMI_RDY0__SSP1_CARD_DETECT | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), -	MX28_PAD_GPMI_WRN__SSP1_SCK | -		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), -	/* write protect */ -	MX28_PAD_GPMI_RESETN__GPIO_0_28 | -		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), -	/* slot power enable */ -	MX28_PAD_PWM4__GPIO_3_29 | -		(MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), - -	/* led */ -	MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL, - -	/* I2C */ -	MX28_PAD_I2C0_SCL__I2C0_SCL | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_I2C0_SDA__I2C0_SDA | -		(MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), - -	/* saif0 & saif1 */ -	MX28_PAD_SAIF0_MCLK__SAIF0_MCLK | -		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK | -		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK | -		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 | -		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -	MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 | -		(MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), -}; - -/* led */ -static const struct gpio_led mx28evk_leds[] __initconst = { -	{ -		.name = "GPIO-LED", -		.default_trigger = "heartbeat", -		.gpio = MX28EVK_GPIO_LED, -	}, -}; - -static const struct gpio_led_platform_data mx28evk_led_data __initconst = { -	.leds = mx28evk_leds, -	.num_leds = ARRAY_SIZE(mx28evk_leds), -}; - -/* fec */ -static void __init mx28evk_fec_reset(void) -{ -	struct clk *clk; - -	/* Enable fec phy clock */ -	clk = clk_get_sys("enet_out", NULL); -	if (!IS_ERR(clk)) -		clk_prepare_enable(clk); - -	gpio_set_value(MX28EVK_FEC_PHY_RESET, 0); -	mdelay(1); -	gpio_set_value(MX28EVK_FEC_PHY_RESET, 1); -} - -static struct fec_platform_data mx28_fec_pdata[] __initdata = { -	{ -		/* fec0 */ -		.phy = PHY_INTERFACE_MODE_RMII, -	}, { -		/* fec1 */ -		.phy = PHY_INTERFACE_MODE_RMII, -	}, -}; - -static int __init mx28evk_fec_get_mac(void) -{ -	int i; -	u32 val; -	const u32 *ocotp = mxs_get_ocotp(); - -	if (!ocotp) -		return -ETIMEDOUT; - -	/* -	 * OCOTP only stores the last 4 octets for each mac address, -	 * so hard-code Freescale OUI (00:04:9f) here. -	 */ -	for (i = 0; i < 2; i++) { -		val = ocotp[i]; -		mx28_fec_pdata[i].mac[0] = 0x00; -		mx28_fec_pdata[i].mac[1] = 0x04; -		mx28_fec_pdata[i].mac[2] = 0x9f; -		mx28_fec_pdata[i].mac[3] = (val >> 16) & 0xff; -		mx28_fec_pdata[i].mac[4] = (val >> 8) & 0xff; -		mx28_fec_pdata[i].mac[5] = (val >> 0) & 0xff; -	} - -	return 0; -} - -/* - * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers - */ -static int flexcan0_en, flexcan1_en; - -static void mx28evk_flexcan_switch(void) -{ -	if (flexcan0_en || flexcan1_en) -		gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1); -	else -		gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0); -} - -static void mx28evk_flexcan0_switch(int enable) -{ -	flexcan0_en = enable; -	mx28evk_flexcan_switch(); -} - -static void mx28evk_flexcan1_switch(int enable) -{ -	flexcan1_en = enable; -	mx28evk_flexcan_switch(); -} - -static const struct flexcan_platform_data -		mx28evk_flexcan_pdata[] __initconst = { -	{ -		.transceiver_switch = mx28evk_flexcan0_switch, -	}, { -		.transceiver_switch = mx28evk_flexcan1_switch, -	} -}; - -/* mxsfb (lcdif) */ -static struct fb_videomode mx28evk_video_modes[] = { -	{ -		.name		= "Seiko-43WVF1G", -		.refresh	= 60, -		.xres		= 800, -		.yres		= 480, -		.pixclock	= 29851, /* picosecond (33.5 MHz) */ -		.left_margin	= 89, -		.right_margin	= 164, -		.upper_margin	= 23, -		.lower_margin	= 10, -		.hsync_len	= 10, -		.vsync_len	= 10, -		.sync		= FB_SYNC_DATA_ENABLE_HIGH_ACT | -				  FB_SYNC_DOTCLK_FAILING_ACT, -	}, -}; - -static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = { -	.mode_list	= mx28evk_video_modes, -	.mode_count	= ARRAY_SIZE(mx28evk_video_modes), -	.default_bpp	= 32, -	.ld_intf_width	= STMLCDIF_24BIT, -}; - -static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = { -	{ -		/* mmc0 */ -		.wp_gpio = MX28EVK_MMC0_WRITE_PROTECT, -		.flags = SLOTF_8_BIT_CAPABLE, -	}, { -		/* mmc1 */ -		.wp_gpio = MX28EVK_MMC1_WRITE_PROTECT, -		.flags = SLOTF_8_BIT_CAPABLE, -	}, -}; - -static struct i2c_board_info mxs_i2c0_board_info[] __initdata = { -	{ -		I2C_BOARD_INFO("sgtl5000", 0x0a), -	}, -}; - -#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE) -static struct regulator_consumer_supply mx28evk_audio_consumer_supplies[] = { -	REGULATOR_SUPPLY("VDDA", "0-000a"), -	REGULATOR_SUPPLY("VDDIO", "0-000a"), -}; - -static struct regulator_init_data mx28evk_vdd_reg_init_data = { -	.constraints	= { -		.name	= "3V3", -		.always_on = 1, -	}, -	.consumer_supplies = mx28evk_audio_consumer_supplies, -	.num_consumer_supplies = ARRAY_SIZE(mx28evk_audio_consumer_supplies), -}; - -static struct fixed_voltage_config mx28evk_vdd_pdata = { -	.supply_name	= "board-3V3", -	.microvolts	= 3300000, -	.gpio		= -EINVAL, -	.enabled_at_boot = 1, -	.init_data	= &mx28evk_vdd_reg_init_data, -}; -static struct platform_device mx28evk_voltage_regulator = { -	.name		= "reg-fixed-voltage", -	.id		= -1, -	.num_resources	= 0, -	.dev		= { -		.platform_data	= &mx28evk_vdd_pdata, -	}, -}; -static void __init mx28evk_add_regulators(void) -{ -	platform_device_register(&mx28evk_voltage_regulator); -} -#else -static void __init mx28evk_add_regulators(void) {} -#endif - -static const struct gpio mx28evk_gpios[] __initconst = { -	{ MX28EVK_LCD_ENABLE, GPIOF_OUT_INIT_HIGH, "lcd-enable" }, -	{ MX28EVK_BL_ENABLE, GPIOF_OUT_INIT_HIGH, "bl-enable" }, -	{ MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT, "flexcan-switch" }, -	{ MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power" }, -	{ MX28EVK_MMC1_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc1-slot-power" }, -	{ MX28EVK_FEC_PHY_POWER, GPIOF_OUT_INIT_LOW, "fec-phy-power" }, -	{ MX28EVK_FEC_PHY_RESET, GPIOF_DIR_OUT, "fec-phy-reset" }, -}; - -static const struct mxs_saif_platform_data -			mx28evk_mxs_saif_pdata[] __initconst = { -	/* working on EXTMSTR0 mode (saif0 master, saif1 slave) */ -	{ -		.master_mode = 1, -		.master_id = 0, -	}, { -		.master_mode = 0, -		.master_id = 0, -	}, -}; - -static void __init mx28evk_init(void) -{ -	int ret; - -	mx28_soc_init(); - -	mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads)); - -	mx28_add_duart(); -	mx28_add_auart0(); -	mx28_add_auart3(); - -	if (mx28evk_fec_get_mac()) -		pr_warn("%s: failed on fec mac setup\n", __func__); - -	ret = gpio_request_array(mx28evk_gpios, ARRAY_SIZE(mx28evk_gpios)); -	if (ret) -		pr_err("One or more GPIOs failed to be requested: %d\n", ret); - -	mx28evk_fec_reset(); -	mx28_add_fec(0, &mx28_fec_pdata[0]); -	mx28_add_fec(1, &mx28_fec_pdata[1]); - -	mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]); -	mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]); - -	mx28_add_mxsfb(&mx28evk_mxsfb_pdata); - -	mxs_saif_clkmux_select(MXS_DIGCTL_SAIF_CLKMUX_EXTMSTR0); -	mx28_add_saif(0, &mx28evk_mxs_saif_pdata[0]); -	mx28_add_saif(1, &mx28evk_mxs_saif_pdata[1]); - -	mx28_add_mxs_i2c(0); -	i2c_register_board_info(0, mxs_i2c0_board_info, -				ARRAY_SIZE(mxs_i2c0_board_info)); - -	mx28evk_add_regulators(); - -	mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0, -			NULL, 0); - -	mx28_add_mxs_mmc(0, &mx28evk_mmc_pdata[0]); -	mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); - -	mx28_add_rtc_stmp3xxx(); - -	gpio_led_register_device(0, &mx28evk_led_data); -} - -static void __init mx28evk_timer_init(void) -{ -	mx28_clocks_init(); -} - -static struct sys_timer mx28evk_timer = { -	.init	= mx28evk_timer_init, -}; - -MACHINE_START(MX28EVK, "Freescale MX28 EVK") -	/* Maintainer: Freescale Semiconductor, Inc. */ -	.map_io		= mx28_map_io, -	.init_irq	= mx28_init_irq, -	.timer		= &mx28evk_timer, -	.init_machine	= mx28evk_init, -	.restart	= mxs_restart, -MACHINE_END  |