path: root/include/configs/ls2080aqds.h

/*
 * Copyright 2015 Freescale Semiconductor
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef __LS2_QDS_H
#define __LS2_QDS_H

#include "ls2080a_common.h"

#ifndef __ASSEMBLY__
unsigned long get_board_sys_clk(void);
unsigned long get_board_ddr_clk(void);
#endif

#define CONFIG_SYS_FSL_CLK

#ifdef CONFIG_FSL_QSPI
#define CONFIG_SYS_NO_FLASH
#undef CONFIG_CMD_IMLS
#define CONFIG_QIXIS_I2C_ACCESS
#define CONFIG_SYS_I2C_EARLY_INIT
#define CONFIG_SYS_I2C_IFDR_DIV		0x7e
#endif

#define CONFIG_SYS_I2C_FPGA_ADDR	0x66
#define CONFIG_SYS_CLK_FREQ		get_board_sys_clk()
#define CONFIG_DDR_CLK_FREQ		get_board_ddr_clk()
#define COUNTER_FREQUENCY_REAL		(CONFIG_SYS_CLK_FREQ/4)

#define CONFIG_DDR_SPD
#define CONFIG_DDR_ECC
#define CONFIG_ECC_INIT_VIA_DDRCONTROLLER
#define CONFIG_MEM_INIT_VALUE		0xdeadbeef
#define SPD_EEPROM_ADDRESS1	0x51
#define SPD_EEPROM_ADDRESS2	0x52
#define SPD_EEPROM_ADDRESS3	0x53
#define SPD_EEPROM_ADDRESS4	0x54
#define SPD_EEPROM_ADDRESS5	0x55
#define SPD_EEPROM_ADDRESS6	0x56	/* dummy address */
#define SPD_EEPROM_ADDRESS	SPD_EEPROM_ADDRESS1
#define CONFIG_SYS_SPD_BUS_NUM	0	/* SPD on I2C bus 0 */
#define CONFIG_DIMM_SLOTS_PER_CTLR		2
#define CONFIG_CHIP_SELECTS_PER_CTRL		4
#ifdef CONFIG_SYS_FSL_HAS_DP_DDR
#define CONFIG_DP_DDR_DIMM_SLOTS_PER_CTLR	1
#endif
#define CONFIG_FSL_DDR_BIST	/* enable built-in memory test */

/* SATA */
#define CONFIG_LIBATA
#define CONFIG_SCSI_AHCI
#define CONFIG_SCSI_AHCI_PLAT
#define CONFIG_SCSI
#define CONFIG_DOS_PARTITION
#define CONFIG_BOARD_LATE_INIT

#define CONFIG_SYS_SATA1			AHCI_BASE_ADDR1
#define CONFIG_SYS_SATA2			AHCI_BASE_ADDR2

#define CONFIG_SYS_SCSI_MAX_SCSI_ID		1
#define CONFIG_SYS_SCSI_MAX_LUN			1
#define CONFIG_SYS_SCSI_MAX_DEVICE		(CONFIG_SYS_SCSI_MAX_SCSI_ID * \
						CONFIG_SYS_SCSI_MAX_LUN)

/* undefined CONFIG_FSL_DDR_SYNC_REFRESH for simulator */

#define CONFIG_SYS_NOR0_CSPR_EXT	(0x0)
#define CONFIG_SYS_NOR_AMASK		IFC_AMASK(128*1024*1024)
#define CONFIG_SYS_NOR_AMASK_EARLY	IFC_AMASK(64*1024*1024)

#define CONFIG_SYS_NOR0_CSPR					\
	(CSPR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS)		| \
	CSPR_PORT_SIZE_16					| \
	CSPR_MSEL_NOR						| \
	CSPR_V)
#define CONFIG_SYS_NOR0_CSPR_EARLY				\
	(CSPR_PHYS_ADDR(CONFIG_SYS_FLASH_BASE_PHYS_EARLY)	| \
	CSPR_PORT_SIZE_16					| \
	CSPR_MSEL_NOR						| \
	CSPR_V)
#define CONFIG_SYS_NOR1_CSPR					\
	(CSPR_PHYS_ADDR(CONFIG_SYS_FLASH1_BASE_PHYS)		| \
	CSPR_PORT_SIZE_16					| \
	CSPR_MSEL_NOR						| \
	CSPR_V)
#define CONFIG_SYS_NOR1_CSPR_EARLY				\
	(CSPR_PHYS_ADDR(CONFIG_SYS_FLASH1_BASE_PHYS_EARLY)	| \
	CSPR_PORT_SIZE_16					| \
	CSPR_MSEL_NOR						| \
	CSPR_V)
#define CONFIG_SYS_NOR_CSOR	CSOR_NOR_ADM_SHIFT(12)
#define CONFIG_SYS_NOR_FTIM0	(FTIM0_NOR_TACSE(0x4) | \
				FTIM0_NOR_TEADC(0x5) | \
				FTIM0_NOR_TEAHC(0x5))
#define CONFIG_SYS_NOR_FTIM1	(FTIM1_NOR_TACO(0x35) | \
				FTIM1_NOR_TRAD_NOR(0x1a) |\
				FTIM1_NOR_TSEQRAD_NOR(0x13))
#define CONFIG_SYS_NOR_FTIM2	(FTIM2_NOR_TCS(0x4) | \
				FTIM2_NOR_TCH(0x4) | \
				FTIM2_NOR_TWPH(0x0E) | \
				FTIM2_NOR_TWP(0x1c))
#define CONFIG_SYS_NOR_FTIM3	0x04000000
#define CONFIG_SYS_IFC_CCR	0x01000000

#ifndef CONFIG_SYS_NO_FLASH
#define CONFIG_FLASH_CFI_DRIVER
#define CONFIG_SYS_FLASH_CFI
#define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
#define CONFIG_SYS_FLASH_QUIET_TEST
#define CONFIG_FLASH_SHOW_PROGRESS	45 /* count down from 45/5: 9..1 */

#define CONFIG_SYS_MAX_FLASH_BANKS	2	/* number of banks */
#define CONFIG_SYS_MAX_FLASH_SECT	1024	/* sectors per device */
#define CONFIG_SYS_FLASH_ERASE_TOUT	60000	/* Flash Erase Timeout (ms) */
#define CONFIG_SYS_FLASH_WRITE_TOUT	500	/* Flash Write Timeout (ms) */

#define CONFIG_SYS_FLASH_EMPTY_INFO
#define CONFIG_SYS_FLASH_BANKS_LIST	{ CONFIG_SYS_FLASH_BASE,\
					 CONFIG_SYS_FLASH_BASE + 0x40000000}
#endif

#define CONFIG_NAND_FSL_IFC
#define CONFIG_SYS_NAND_MAX_ECCPOS	256
#define CONFIG_SYS_NAND_MAX_OOBFREE	2

#define CONFIG_SYS_NAND_CSPR_EXT	(0x0)
#define CONFIG_SYS_NAND_CSPR	(CSPR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
				| CSPR_PORT_SIZE_8 /* Port Size = 8 bit */ \
				| CSPR_MSEL_NAND	/* MSEL = NAND */ \
				| CSPR_V)
#define CONFIG_SYS_NAND_AMASK	IFC_AMASK(64 * 1024)

#define CONFIG_SYS_NAND_CSOR    (CSOR_NAND_ECC_ENC_EN   /* ECC on encode */ \
				| CSOR_NAND_ECC_DEC_EN  /* ECC on decode */ \
				| CSOR_NAND_ECC_MODE_4  /* 4-bit ECC */ \
				| CSOR_NAND_RAL_3	/* RAL = 3Byes */ \
				| CSOR_NAND_PGS_2K	/* Page Size = 2K */ \
				| CSOR_NAND_SPRZ_64/* Spare size = 64 */ \
				| CSOR_NAND_PB(64))	/*Pages Per Block = 64*/

#define CONFIG_SYS_NAND_ONFI_DETECTION

/* ONFI NAND Flash mode0 Timing Params */
#define CONFIG_SYS_NAND_FTIM0		(FTIM0_NAND_TCCST(0x07) | \
					FTIM0_NAND_TWP(0x18)   | \
					FTIM0_NAND_TWCHT(0x07) | \
					FTIM0_NAND_TWH(0x0a))
#define CONFIG_SYS_NAND_FTIM1		(FTIM1_NAND_TADLE(0x32) | \
					FTIM1_NAND_TWBE(0x39)  | \
					FTIM1_NAND_TRR(0x0e)   | \
					FTIM1_NAND_TRP(0x18))
#define CONFIG_SYS_NAND_FTIM2		(FTIM2_NAND_TRAD(0x0f) | \
					FTIM2_NAND_TREH(0x0a) | \
					FTIM2_NAND_TWHRE(0x1e))
#define CONFIG_SYS_NAND_FTIM3		0x0

#define CONFIG_SYS_NAND_BASE_LIST	{ CONFIG_SYS_NAND_BASE }
#define CONFIG_SYS_MAX_NAND_DEVICE	1
#define CONFIG_MTD_NAND_VERIFY_WRITE
#define CONFIG_CMD_NAND

#define CONFIG_SYS_NAND_BLOCK_SIZE	(128 * 1024)

#define CONFIG_FSL_QIXIS	/* use common QIXIS code */
#define QIXIS_LBMAP_SWITCH		0x06
#define QIXIS_LBMAP_MASK		0x0f
#define QIXIS_LBMAP_SHIFT		0
#define QIXIS_LBMAP_DFLTBANK		0x00
#define QIXIS_LBMAP_ALTBANK		0x04
#define QIXIS_LBMAP_NAND		0x09
#define QIXIS_LBMAP_QSPI		0x0f
#define QIXIS_RST_CTL_RESET		0x31
#define QIXIS_RCFG_CTL_RECONFIG_IDLE	0x20
#define QIXIS_RCFG_CTL_RECONFIG_START	0x21
#define QIXIS_RCFG_CTL_WATCHDOG_ENBLE	0x08
#define QIXIS_RCW_SRC_NAND		0x107
#define QIXIS_RCW_SRC_QSPI		0x62
#define	QIXIS_RST_FORCE_MEM		0x01

#define CONFIG_SYS_CSPR3_EXT	(0x0)
#define CONFIG_SYS_CSPR3	(CSPR_PHYS_ADDR(QIXIS_BASE_PHYS_EARLY) \
				| CSPR_PORT_SIZE_8 \
				| CSPR_MSEL_GPCM \
				| CSPR_V)
#define CONFIG_SYS_CSPR3_FINAL	(CSPR_PHYS_ADDR(QIXIS_BASE_PHYS) \
				| CSPR_PORT_SIZE_8 \
				| CSPR_MSEL_GPCM \
				| CSPR_V)

#define CONFIG_SYS_AMASK3	IFC_AMASK(64*1024)
#define CONFIG_SYS_CSOR3	CSOR_GPCM_ADM_SHIFT(12)
/* QIXIS Timing parameters for IFC CS3 */
#define CONFIG_SYS_CS3_FTIM0		(FTIM0_GPCM_TACSE(0x0e) | \
					FTIM0_GPCM_TEADC(0x0e) | \
					FTIM0_GPCM_TEAHC(0x0e))
#define CONFIG_SYS_CS3_FTIM1		(FTIM1_GPCM_TACO(0xff) | \
					FTIM1_GPCM_TRAD(0x3f))
#define CONFIG_SYS_CS3_FTIM2		(FTIM2_GPCM_TCS(0xf) | \
					FTIM2_GPCM_TCH(0xf) | \
					FTIM2_GPCM_TWP(0x3E))
#define CONFIG_SYS_CS3_FTIM3		0x0

#if defined(CONFIG_SPL) && defined(CONFIG_NAND)
#define CONFIG_SYS_CSPR1_EXT		CONFIG_SYS_NOR0_CSPR_EXT
#define CONFIG_SYS_CSPR1		CONFIG_SYS_NOR0_CSPR_EARLY
#define CONFIG_SYS_CSPR1_FINAL		CONFIG_SYS_NOR0_CSPR
#define CONFIG_SYS_AMASK1		CONFIG_SYS_NOR_AMASK
#define CONFIG_SYS_CSOR1		CONFIG_SYS_NOR_CSOR
#define CONFIG_SYS_CS1_FTIM0		CONFIG_SYS_NOR_FTIM0
#define CONFIG_SYS_CS1_FTIM1		CONFIG_SYS_NOR_FTIM1
#define CONFIG_SYS_CS1_FTIM2		CONFIG_SYS_NOR_FTIM2
#define CONFIG_SYS_CS1_FTIM3		CONFIG_SYS_NOR_FTIM3
#define CONFIG_SYS_CSPR2_EXT		CONFIG_SYS_NOR0_CSPR_EXT
#define CONFIG_SYS_CSPR2		CONFIG_SYS_NOR1_CSPR_EARLY
#define CONFIG_SYS_CSPR2_FINAL		CONFIG_SYS_NOR1_CSPR
#define CONFIG_SYS_AMASK2		CONFIG_SYS_NOR_AMASK_EARLY
#define CONFIG_SYS_AMASK2_FINAL		CONFIG_SYS_NOR_AMASK
#define CONFIG_SYS_CSOR2		CONFIG_SYS_NOR_CSOR
#define CONFIG_SYS_CS2_FTIM0		CONFIG_SYS_NOR_FTIM0
#define CONFIG_SYS_CS2_FTIM1		CONFIG_SYS_NOR_FTIM1
#define CONFIG_SYS_CS2_FTIM2		CONFIG_SYS_NOR_FTIM2
#define CONFIG_SYS_CS2_FTIM3		CONFIG_SYS_NOR_FTIM3
#define CONFIG_SYS_CSPR0_EXT		CONFIG_SYS_NAND_CSPR_EXT
#define CONFIG_SYS_CSPR0		CONFIG_SYS_NAND_CSPR
#define CONFIG_SYS_AMASK0		CONFIG_SYS_NAND_AMASK
#define CONFIG_SYS_CSOR0		CONFIG_SYS_NAND_CSOR
#define CONFIG_SYS_CS0_FTIM0		CONFIG_SYS_NAND_FTIM0
#define CONFIG_SYS_CS0_FTIM1		CONFIG_SYS_NAND_FTIM1
#define CONFIG_SYS_CS0_FTIM2		CONFIG_SYS_NAND_FTIM2
#define CONFIG_SYS_CS0_FTIM3		CONFIG_SYS_NAND_FTIM3

#define CONFIG_ENV_IS_IN_NAND
#define CONFIG_ENV_OFFSET		(896 * 1024)
#define CONFIG_ENV_SECT_SIZE		0x20000
#define CONFIG_ENV_SIZE			0x2000
#define CONFIG_SPL_PAD_TO		0x20000
#define CONFIG_SYS_NAND_U_BOOT_OFFS	(256 * 1024)
#define CONFIG_SYS_NAND_U_BOOT_SIZE	(640 * 1024)
#else
#define CONFIG_SYS_CSPR0_EXT		CONFIG_SYS_NOR0_CSPR_EXT
#define CONFIG_SYS_CSPR0		CONFIG_SYS_NOR0_CSPR_EARLY
#define CONFIG_SYS_CSPR0_FINAL		CONFIG_SYS_NOR0_CSPR
#define CONFIG_SYS_AMASK0		CONFIG_SYS_NOR_AMASK
#define CONFIG_SYS_CSOR0		CONFIG_SYS_NOR_CSOR
#define CONFIG_SYS_CS0_FTIM0		CONFIG_SYS_NOR_FTIM0
#define CONFIG_SYS_CS0_FTIM1		CONFIG_SYS_NOR_FTIM1
#define CONFIG_SYS_CS0_FTIM2		CONFIG_SYS_NOR_FTIM2
#define CONFIG_SYS_CS0_FTIM3		CONFIG_SYS_NOR_FTIM3
#define CONFIG_SYS_CSPR1_EXT		CONFIG_SYS_NOR0_CSPR_EXT
#define CONFIG_SYS_CSPR1		CONFIG_SYS_NOR1_CSPR_EARLY
#define CONFIG_SYS_CSPR1_FINAL		CONFIG_SYS_NOR1_CSPR
#define CONFIG_SYS_AMASK1		CONFIG_SYS_NOR_AMASK_EARLY
#define CONFIG_SYS_AMASK1_FINAL		CONFIG_SYS_NOR_AMASK
#define CONFIG_SYS_CSOR1		CONFIG_SYS_NOR_CSOR
#define CONFIG_SYS_CS1_FTIM0		CONFIG_SYS_NOR_FTIM0
#define CONFIG_SYS_CS1_FTIM1		CONFIG_SYS_NOR_FTIM1
#define CONFIG_SYS_CS1_FTIM2		CONFIG_SYS_NOR_FTIM2
#define CONFIG_SYS_CS1_FTIM3		CONFIG_SYS_NOR_FTIM3
#define CONFIG_SYS_CSPR2_EXT		CONFIG_SYS_NAND_CSPR_EXT
#define CONFIG_SYS_CSPR2		CONFIG_SYS_NAND_CSPR
#define CONFIG_SYS_AMASK2		CONFIG_SYS_NAND_AMASK
#define CONFIG_SYS_CSOR2		CONFIG_SYS_NAND_CSOR
#define CONFIG_SYS_CS2_FTIM0		CONFIG_SYS_NAND_FTIM0
#define CONFIG_SYS_CS2_FTIM1		CONFIG_SYS_NAND_FTIM1
#define CONFIG_SYS_CS2_FTIM2		CONFIG_SYS_NAND_FTIM2
#define CONFIG_SYS_CS2_FTIM3		CONFIG_SYS_NAND_FTIM3

#if defined(CONFIG_QSPI_BOOT)
#define CONFIG_SYS_TEXT_BASE		0x20010000
#define CONFIG_ENV_IS_IN_SPI_FLASH
#define CONFIG_ENV_SIZE			0x2000          /* 8KB */
#define CONFIG_ENV_OFFSET		0x100000        /* 1MB */
#define CONFIG_ENV_SECT_SIZE		0x10000
#else
#define CONFIG_ENV_IS_IN_FLASH
#define CONFIG_ENV_ADDR			(CONFIG_SYS_FLASH_BASE + 0x200000)
#define CONFIG_ENV_SECT_SIZE		0x20000
#define CONFIG_ENV_SIZE			0x2000
#endif
#endif

/* Debug Server firmware */
#define CONFIG_SYS_DEBUG_SERVER_FW_IN_NOR
#define CONFIG_SYS_DEBUG_SERVER_FW_ADDR	0x580D00000ULL

#define CONFIG_SYS_LS_MC_BOOT_TIMEOUT_MS 5000

/*
 * I2C
 */
#define I2C_MUX_PCA_ADDR		0x77
#define I2C_MUX_PCA_ADDR_PRI		0x77 /* Primary Mux*/

/* I2C bus multiplexer */
#define I2C_MUX_CH_DEFAULT      0x8

/* SPI */
#if defined(CONFIG_FSL_QSPI) || defined(CONFIG_FSL_DSPI)
#define CONFIG_SPI_FLASH

#ifdef CONFIG_FSL_DSPI
#define CONFIG_SPI_FLASH_STMICRO
#define CONFIG_SPI_FLASH_SST
#define CONFIG_SPI_FLASH_EON
#endif

#ifdef CONFIG_FSL_QSPI
#define CONFIG_SPI_FLASH_SPANSION
#define FSL_QSPI_FLASH_SIZE		(1 << 26) /* 64MB */
#define FSL_QSPI_FLASH_NUM		4
#endif
/*
 * Verify QSPI when boot from NAND, QIXIS brdcfg9 need configure.
 * If boot from on-board NAND, ISO1 = 1, ISO2 = 0, IBOOT = 0
 * If boot from IFCCard NAND, ISO1 = 0, ISO2 = 0, IBOOT = 1
 */
#define FSL_QIXIS_BRDCFG9_QSPI		0x1

#endif

/*
 * MMC
 */
#ifdef CONFIG_MMC
#define CONFIG_ESDHC_DETECT_QUIRK ((readb(QIXIS_BASE + QIXIS_STAT_PRES1) & \
	QIXIS_SDID_MASK) != QIXIS_ESDHC_NO_ADAPTER)
#endif

/*
 * RTC configuration
 */
#define RTC
#define CONFIG_RTC_DS3231               1
#define CONFIG_SYS_I2C_RTC_ADDR         0x68
#define CONFIG_CMD_DATE

/* EEPROM */
#define CONFIG_ID_EEPROM
#define CONFIG_CMD_EEPROM
#define CONFIG_SYS_I2C_EEPROM_NXID
#define CONFIG_SYS_EEPROM_BUS_NUM	0
#define CONFIG_SYS_I2C_EEPROM_ADDR	0x57
#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	1
#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 3
#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5

#define CONFIG_FSL_MEMAC
#define CONFIG_PCIE_LAYERSCAPE	/* Use common FSL Layerscape PCIe code */

#ifdef CONFIG_PCI
#define CONFIG_PCI_SCAN_SHOW
#define CONFIG_CMD_PCI
#endif

/*  MMC  */
#ifdef CONFIG_MMC
#define CONFIG_FSL_ESDHC
#define CONFIG_SYS_FSL_MMC_HAS_CAPBLT_VS33
#define CONFIG_GENERIC_MMC
#define CONFIG_DOS_PARTITION
#endif

/* Initial environment variables */
#undef CONFIG_EXTRA_ENV_SETTINGS
#define CONFIG_EXTRA_ENV_SETTINGS		\
	"hwconfig=fsl_ddr:bank_intlv=auto\0"	\
	"loadaddr=0x80100000\0"			\
	"kernel_addr=0x100000\0"		\
	"ramdisk_addr=0x800000\0"		\
	"ramdisk_size=0x2000000\0"		\
	"fdt_high=0xa0000000\0"			\
	"initrd_high=0xffffffffffffffff\0"	\
	"kernel_start=0x581100000\0"		\
	"kernel_load=0xa0000000\0"		\
	"kernel_size=0x2800000\0"		\
	"mcinitcmd=fsl_mc start mc 0x580300000"	\
	" 0x580800000 \0"

#ifdef CONFIG_FSL_MC_ENET
#define CONFIG_FSL_MEMAC
#define	CONFIG_PHYLIB
#define CONFIG_PHYLIB_10G
#define CONFIG_PHY_VITESSE
#define CONFIG_PHY_REALTEK
#define CONFIG_PHY_TERANETICS
#define SGMII_CARD_PORT1_PHY_ADDR 0x1C
#define SGMII_CARD_PORT2_PHY_ADDR 0x1d
#define SGMII_CARD_PORT3_PHY_ADDR 0x1E
#define SGMII_CARD_PORT4_PHY_ADDR 0x1F

#define XQSGMII_CARD_PHY1_PORT0_ADDR 0x0
#define XQSGMII_CARD_PHY1_PORT1_ADDR 0x1
#define XQSGMII_CARD_PHY1_PORT2_ADDR 0x2
#define XQSGMII_CARD_PHY1_PORT3_ADDR 0x3
#define XQSGMII_CARD_PHY2_PORT0_ADDR 0x4
#define XQSGMII_CARD_PHY2_PORT1_ADDR 0x5
#define XQSGMII_CARD_PHY2_PORT2_ADDR 0x6
#define XQSGMII_CARD_PHY2_PORT3_ADDR 0x7
#define XQSGMII_CARD_PHY3_PORT0_ADDR 0x8
#define XQSGMII_CARD_PHY3_PORT1_ADDR 0x9
#define XQSGMII_CARD_PHY3_PORT2_ADDR 0xa
#define XQSGMII_CARD_PHY3_PORT3_ADDR 0xb
#define XQSGMII_CARD_PHY4_PORT0_ADDR 0xc
#define XQSGMII_CARD_PHY4_PORT1_ADDR 0xd
#define XQSGMII_CARD_PHY4_PORT2_ADDR 0xe
#define XQSGMII_CARD_PHY4_PORT3_ADDR 0xf

#define CONFIG_MII		/* MII PHY management */
#define CONFIG_ETHPRIME		"DPMAC1@xgmii"
#define CONFIG_PHY_GIGE		/* Include GbE speed/duplex detection */

#endif

/*
 * USB
 */
#define CONFIG_HAS_FSL_XHCI_USB
#define CONFIG_USB_XHCI_FSL
#define CONFIG_USB_MAX_CONTROLLER_COUNT		2
#define CONFIG_SYS_USB_XHCI_MAX_ROOT_PORTS	2

#include <asm/fsl_secure_boot.h>

#endif /* __LS2_QDS_H */