618 lines
20 KiB
C
618 lines
20 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* R8A66597 HCD (Host Controller Driver) for u-boot
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*
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* Copyright (C) 2008 Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
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*/
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#ifndef __R8A66597_H__
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#define __R8A66597_H__
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#include <linux/bitops.h>
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#define SYSCFG0 0x00
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#define SYSCFG1 0x02
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#define SYSSTS0 0x04
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#define SYSSTS1 0x06
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#define DVSTCTR0 0x08
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#define DVSTCTR1 0x0A
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#define TESTMODE 0x0C
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#define PINCFG 0x0E
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#define DMA0CFG 0x10
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#define DMA1CFG 0x12
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#define CFIFO 0x14
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#define D0FIFO 0x18
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#define D1FIFO 0x1C
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#define CFIFOSEL 0x20
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#define CFIFOCTR 0x22
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#define CFIFOSIE 0x24
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#define D0FIFOSEL 0x28
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#define D0FIFOCTR 0x2A
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#define D1FIFOSEL 0x2C
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#define D1FIFOCTR 0x2E
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#define INTENB0 0x30
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#define INTENB1 0x32
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#define INTENB2 0x34
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#define BRDYENB 0x36
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#define NRDYENB 0x38
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#define BEMPENB 0x3A
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#define SOFCFG 0x3C
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#define INTSTS0 0x40
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#define INTSTS1 0x42
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#define INTSTS2 0x44
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#define BRDYSTS 0x46
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#define NRDYSTS 0x48
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#define BEMPSTS 0x4A
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#define FRMNUM 0x4C
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#define UFRMNUM 0x4E
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#define USBADDR 0x50
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#define USBREQ 0x54
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#define USBVAL 0x56
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#define USBINDX 0x58
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#define USBLENG 0x5A
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#define DCPCFG 0x5C
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#define DCPMAXP 0x5E
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#define DCPCTR 0x60
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#define PIPESEL 0x64
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#define PIPECFG 0x68
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#define PIPEBUF 0x6A
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#define PIPEMAXP 0x6C
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#define PIPEPERI 0x6E
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#define PIPE1CTR 0x70
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#define PIPE2CTR 0x72
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#define PIPE3CTR 0x74
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#define PIPE4CTR 0x76
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#define PIPE5CTR 0x78
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#define PIPE6CTR 0x7A
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#define PIPE7CTR 0x7C
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#define PIPE8CTR 0x7E
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#define PIPE9CTR 0x80
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#define PIPE1TRE 0x90
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#define PIPE1TRN 0x92
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#define PIPE2TRE 0x94
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#define PIPE2TRN 0x96
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#define PIPE3TRE 0x98
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#define PIPE3TRN 0x9A
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#define PIPE4TRE 0x9C
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#define PIPE4TRN 0x9E
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#define PIPE5TRE 0xA0
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#define PIPE5TRN 0xA2
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#define DEVADD0 0xD0
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#define DEVADD1 0xD2
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#define DEVADD2 0xD4
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#define DEVADD3 0xD6
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#define DEVADD4 0xD8
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#define DEVADD5 0xDA
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#define DEVADD6 0xDC
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#define DEVADD7 0xDE
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#define DEVADD8 0xE0
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#define DEVADD9 0xE2
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#define DEVADDA 0xE4
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#define SUSPMODE0 0x102 /* RZ/A only */
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/* System Configuration Control Register */
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#define HSE 0x0080 /* b7: Hi-speed enable */
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#define DCFM 0x0040 /* b6: Controller function select */
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#define DRPD 0x0020 /* b5: D+/- pull down control */
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#define DPRPU 0x0010 /* b4: D+ pull up control */
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#define XTAL 0x0004 /* b2: Crystal selection */
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#define XTAL12 0x0004 /* 12MHz */
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#define XTAL48 0x0000 /* 48MHz */
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#define UPLLE 0x0002 /* b1: internal PLL control */
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#define USBE 0x0001 /* b0: USB module operation enable */
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/* System Configuration Status Register */
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#define OVCBIT 0x8000 /* b15-14: Over-current bit */
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#define OVCMON 0xC000 /* b15-14: Over-current monitor */
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#define SOFEA 0x0020 /* b5: SOF monitor */
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#define IDMON 0x0004 /* b3: ID-pin monitor */
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#define LNST 0x0003 /* b1-0: D+, D- line status */
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#define SE1 0x0003 /* SE1 */
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#define FS_KSTS 0x0002 /* Full-Speed K State */
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#define FS_JSTS 0x0001 /* Full-Speed J State */
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#define LS_JSTS 0x0002 /* Low-Speed J State */
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#define LS_KSTS 0x0001 /* Low-Speed K State */
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#define SE0 0x0000 /* SE0 */
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/* Device State Control Register */
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#define EXTLP0 0x0400 /* b10: External port */
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#define VBOUT 0x0200 /* b9: VBUS output */
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#define WKUP 0x0100 /* b8: Remote wakeup */
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#define RWUPE 0x0080 /* b7: Remote wakeup sense */
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#define USBRST 0x0040 /* b6: USB reset enable */
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#define RESUME 0x0020 /* b5: Resume enable */
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#define UACT 0x0010 /* b4: USB bus enable */
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#define RHST 0x0007 /* b1-0: Reset handshake status */
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#define HSPROC 0x0004 /* HS handshake is processing */
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#define HSMODE 0x0003 /* Hi-Speed mode */
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#define FSMODE 0x0002 /* Full-Speed mode */
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#define LSMODE 0x0001 /* Low-Speed mode */
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#define UNDECID 0x0000 /* Undecided */
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/* Test Mode Register */
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#define UTST 0x000F /* b3-0: Test select */
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#define H_TST_PACKET 0x000C /* HOST TEST Packet */
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#define H_TST_SE0_NAK 0x000B /* HOST TEST SE0 NAK */
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#define H_TST_K 0x000A /* HOST TEST K */
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#define H_TST_J 0x0009 /* HOST TEST J */
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#define H_TST_NORMAL 0x0000 /* HOST Normal Mode */
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#define P_TST_PACKET 0x0004 /* PERI TEST Packet */
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#define P_TST_SE0_NAK 0x0003 /* PERI TEST SE0 NAK */
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#define P_TST_K 0x0002 /* PERI TEST K */
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#define P_TST_J 0x0001 /* PERI TEST J */
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#define P_TST_NORMAL 0x0000 /* PERI Normal Mode */
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/* Data Pin Configuration Register */
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#define LDRV 0x8000 /* b15: Drive Current Adjust */
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#define VIF1 0x0000 /* VIF = 1.8V */
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#define VIF3 0x8000 /* VIF = 3.3V */
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#define INTA 0x0001 /* b1: USB INT-pin active */
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/* DMAx Pin Configuration Register */
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#define DREQA 0x4000 /* b14: Dreq active select */
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#define BURST 0x2000 /* b13: Burst mode */
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#define DACKA 0x0400 /* b10: Dack active select */
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#define DFORM 0x0380 /* b9-7: DMA mode select */
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#define CPU_ADR_RD_WR 0x0000 /* Address + RD/WR mode (CPU bus) */
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#define CPU_DACK_RD_WR 0x0100 /* DACK + RD/WR mode (CPU bus) */
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#define CPU_DACK_ONLY 0x0180 /* DACK only mode (CPU bus) */
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#define SPLIT_DACK_ONLY 0x0200 /* DACK only mode (SPLIT bus) */
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#define DENDA 0x0040 /* b6: Dend active select */
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#define PKTM 0x0020 /* b5: Packet mode */
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#define DENDE 0x0010 /* b4: Dend enable */
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#define OBUS 0x0004 /* b2: OUTbus mode */
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/* CFIFO/DxFIFO Port Select Register */
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#define RCNT 0x8000 /* b15: Read count mode */
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#define REW 0x4000 /* b14: Buffer rewind */
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#define DCLRM 0x2000 /* b13: DMA buffer clear mode */
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#define DREQE 0x1000 /* b12: DREQ output enable */
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#define MBW 0x0800 /* b10: Maximum bit width for FIFO access */
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#define MBW_8 0x0000 /* 8bit */
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#define MBW_16 0x0400 /* 16bit */
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#define MBW_32 0x0800 /* 32bit */
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#define BIGEND 0x0100 /* b8: Big endian mode */
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#define BYTE_LITTLE 0x0000 /* little dendian */
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#define BYTE_BIG 0x0100 /* big endifan */
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#define ISEL 0x0020 /* b5: DCP FIFO port direction select */
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#define CURPIPE 0x000F /* b2-0: PIPE select */
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/* CFIFO/DxFIFO Port Control Register */
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#define BVAL 0x8000 /* b15: Buffer valid flag */
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#define BCLR 0x4000 /* b14: Buffer clear */
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#define FRDY 0x2000 /* b13: FIFO ready */
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#define DTLN 0x0FFF /* b11-0: FIFO received data length */
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/* Interrupt Enable Register 0 */
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#define VBSE 0x8000 /* b15: VBUS interrupt */
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#define RSME 0x4000 /* b14: Resume interrupt */
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#define SOFE 0x2000 /* b13: Frame update interrupt */
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#define DVSE 0x1000 /* b12: Device state transition interrupt */
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#define CTRE 0x0800 /* b11: Control transfer stage transition interrupt */
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#define BEMPE 0x0400 /* b10: Buffer empty interrupt */
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#define NRDYE 0x0200 /* b9: Buffer not ready interrupt */
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#define BRDYE 0x0100 /* b8: Buffer ready interrupt */
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/* Interrupt Enable Register 1 */
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#define OVRCRE 0x8000 /* b15: Over-current interrupt */
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#define BCHGE 0x4000 /* b14: USB us chenge interrupt */
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#define DTCHE 0x1000 /* b12: Detach sense interrupt */
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#define ATTCHE 0x0800 /* b11: Attach sense interrupt */
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#define EOFERRE 0x0040 /* b6: EOF error interrupt */
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#define SIGNE 0x0020 /* b5: SETUP IGNORE interrupt */
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#define SACKE 0x0010 /* b4: SETUP ACK interrupt */
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/* BRDY Interrupt Enable/Status Register */
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#define BRDY9 0x0200 /* b9: PIPE9 */
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#define BRDY8 0x0100 /* b8: PIPE8 */
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#define BRDY7 0x0080 /* b7: PIPE7 */
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#define BRDY6 0x0040 /* b6: PIPE6 */
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#define BRDY5 0x0020 /* b5: PIPE5 */
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#define BRDY4 0x0010 /* b4: PIPE4 */
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#define BRDY3 0x0008 /* b3: PIPE3 */
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#define BRDY2 0x0004 /* b2: PIPE2 */
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#define BRDY1 0x0002 /* b1: PIPE1 */
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#define BRDY0 0x0001 /* b1: PIPE0 */
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/* NRDY Interrupt Enable/Status Register */
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#define NRDY9 0x0200 /* b9: PIPE9 */
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#define NRDY8 0x0100 /* b8: PIPE8 */
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#define NRDY7 0x0080 /* b7: PIPE7 */
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#define NRDY6 0x0040 /* b6: PIPE6 */
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#define NRDY5 0x0020 /* b5: PIPE5 */
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#define NRDY4 0x0010 /* b4: PIPE4 */
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#define NRDY3 0x0008 /* b3: PIPE3 */
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#define NRDY2 0x0004 /* b2: PIPE2 */
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#define NRDY1 0x0002 /* b1: PIPE1 */
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#define NRDY0 0x0001 /* b1: PIPE0 */
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/* BEMP Interrupt Enable/Status Register */
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#define BEMP9 0x0200 /* b9: PIPE9 */
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#define BEMP8 0x0100 /* b8: PIPE8 */
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#define BEMP7 0x0080 /* b7: PIPE7 */
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#define BEMP6 0x0040 /* b6: PIPE6 */
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#define BEMP5 0x0020 /* b5: PIPE5 */
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#define BEMP4 0x0010 /* b4: PIPE4 */
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#define BEMP3 0x0008 /* b3: PIPE3 */
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#define BEMP2 0x0004 /* b2: PIPE2 */
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#define BEMP1 0x0002 /* b1: PIPE1 */
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#define BEMP0 0x0001 /* b0: PIPE0 */
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/* SOF Pin Configuration Register */
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#define TRNENSEL 0x0100 /* b8: Select transaction enable period */
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#define BRDYM 0x0040 /* b6: BRDY clear timing */
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#define INTL 0x0020 /* b5: Interrupt sense select */
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#define EDGESTS 0x0010 /* b4: */
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#define SOFMODE 0x000C /* b3-2: SOF pin select */
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#define SOF_125US 0x0008 /* SOF OUT 125us Frame Signal */
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#define SOF_1MS 0x0004 /* SOF OUT 1ms Frame Signal */
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#define SOF_DISABLE 0x0000 /* SOF OUT Disable */
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/* Interrupt Status Register 0 */
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#define VBINT 0x8000 /* b15: VBUS interrupt */
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#define RESM 0x4000 /* b14: Resume interrupt */
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#define SOFR 0x2000 /* b13: SOF frame update interrupt */
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#define DVST 0x1000 /* b12: Device state transition interrupt */
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#define CTRT 0x0800 /* b11: Control transfer stage transition interrupt */
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#define BEMP 0x0400 /* b10: Buffer empty interrupt */
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#define NRDY 0x0200 /* b9: Buffer not ready interrupt */
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#define BRDY 0x0100 /* b8: Buffer ready interrupt */
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#define VBSTS 0x0080 /* b7: VBUS input port */
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#define DVSQ 0x0070 /* b6-4: Device state */
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#define DS_SPD_CNFG 0x0070 /* Suspend Configured */
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#define DS_SPD_ADDR 0x0060 /* Suspend Address */
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#define DS_SPD_DFLT 0x0050 /* Suspend Default */
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#define DS_SPD_POWR 0x0040 /* Suspend Powered */
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#define DS_SUSP 0x0040 /* Suspend */
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#define DS_CNFG 0x0030 /* Configured */
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#define DS_ADDS 0x0020 /* Address */
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#define DS_DFLT 0x0010 /* Default */
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#define DS_POWR 0x0000 /* Powered */
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#define DVSQS 0x0030 /* b5-4: Device state */
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#define VALID 0x0008 /* b3: Setup packet detected flag */
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#define CTSQ 0x0007 /* b2-0: Control transfer stage */
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#define CS_SQER 0x0006 /* Sequence error */
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#define CS_WRND 0x0005 /* Control write nodata status stage */
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#define CS_WRSS 0x0004 /* Control write status stage */
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#define CS_WRDS 0x0003 /* Control write data stage */
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#define CS_RDSS 0x0002 /* Control read status stage */
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#define CS_RDDS 0x0001 /* Control read data stage */
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#define CS_IDST 0x0000 /* Idle or setup stage */
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/* Interrupt Status Register 1 */
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#define OVRCR 0x8000 /* b15: Over-current interrupt */
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#define BCHG 0x4000 /* b14: USB bus chenge interrupt */
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#define DTCH 0x1000 /* b12: Detach sense interrupt */
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#define ATTCH 0x0800 /* b11: Attach sense interrupt */
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#define EOFERR 0x0040 /* b6: EOF-error interrupt */
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#define SIGN 0x0020 /* b5: Setup ignore interrupt */
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#define SACK 0x0010 /* b4: Setup acknowledge interrupt */
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/* Frame Number Register */
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#define OVRN 0x8000 /* b15: Overrun error */
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#define CRCE 0x4000 /* b14: Received data error */
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#define FRNM 0x07FF /* b10-0: Frame number */
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/* Micro Frame Number Register */
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#define UFRNM 0x0007 /* b2-0: Micro frame number */
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/* Default Control Pipe Maxpacket Size Register */
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/* Pipe Maxpacket Size Register */
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#define DEVSEL 0xF000 /* b15-14: Device address select */
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#define MAXP 0x007F /* b6-0: Maxpacket size of default control pipe */
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/* Default Control Pipe Control Register */
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#define BSTS 0x8000 /* b15: Buffer status */
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#define SUREQ 0x4000 /* b14: Send USB request */
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#define CSCLR 0x2000 /* b13: complete-split status clear */
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#define CSSTS 0x1000 /* b12: complete-split status */
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#define SUREQCLR 0x0800 /* b11: stop setup request */
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#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
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#define SQSET 0x0080 /* b7: Sequence toggle bit set */
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#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
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#define PBUSY 0x0020 /* b5: pipe busy */
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#define PINGE 0x0010 /* b4: ping enable */
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#define CCPL 0x0004 /* b2: Enable control transfer complete */
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#define PID 0x0003 /* b1-0: Response PID */
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#define PID_STALL11 0x0003 /* STALL */
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#define PID_STALL 0x0002 /* STALL */
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#define PID_BUF 0x0001 /* BUF */
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#define PID_NAK 0x0000 /* NAK */
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/* Pipe Window Select Register */
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#define PIPENM 0x0007 /* b2-0: Pipe select */
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/* Pipe Configuration Register */
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#define R8A66597_TYP 0xC000 /* b15-14: Transfer type */
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#define R8A66597_ISO 0xC000 /* Isochronous */
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#define R8A66597_INT 0x8000 /* Interrupt */
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#define R8A66597_BULK 0x4000 /* Bulk */
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#define R8A66597_BFRE 0x0400 /* b10: Buffer ready interrupt mode select */
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#define R8A66597_DBLB 0x0200 /* b9: Double buffer mode select */
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#define R8A66597_CNTMD 0x0100 /* b8: Continuous transfer mode select */
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#define R8A66597_SHTNAK 0x0080 /* b7: Transfer end NAK */
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#define R8A66597_DIR 0x0010 /* b4: Transfer direction select */
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#define R8A66597_EPNUM 0x000F /* b3-0: Eendpoint number select */
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/* Pipe Buffer Configuration Register */
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#define BUFSIZE 0x7C00 /* b14-10: Pipe buffer size */
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#define BUFNMB 0x007F /* b6-0: Pipe buffer number */
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#define PIPE0BUF 256
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#define PIPExBUF 64
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/* Pipe Maxpacket Size Register */
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#define MXPS 0x07FF /* b10-0: Maxpacket size */
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/* Pipe Cycle Configuration Register */
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#define IFIS 0x1000 /* b12: Isochronous in-buffer flush mode select */
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#define IITV 0x0007 /* b2-0: Isochronous interval */
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/* Pipex Control Register */
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#define BSTS 0x8000 /* b15: Buffer status */
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#define INBUFM 0x4000 /* b14: IN buffer monitor (Only for PIPE1 to 5) */
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#define CSCLR 0x2000 /* b13: complete-split status clear */
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#define CSSTS 0x1000 /* b12: complete-split status */
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#define ATREPM 0x0400 /* b10: Auto repeat mode */
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#define ACLRM 0x0200 /* b9: Out buffer auto clear mode */
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#define SQCLR 0x0100 /* b8: Sequence toggle bit clear */
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#define SQSET 0x0080 /* b7: Sequence toggle bit set */
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#define SQMON 0x0040 /* b6: Sequence toggle bit monitor */
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#define PBUSY 0x0020 /* b5: pipe busy */
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#define PID 0x0003 /* b1-0: Response PID */
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/* PIPExTRE */
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#define TRENB 0x0200 /* b9: Transaction counter enable */
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#define TRCLR 0x0100 /* b8: Transaction counter clear */
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/* PIPExTRN */
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#define TRNCNT 0xFFFF /* b15-0: Transaction counter */
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/* DEVADDx */
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#define UPPHUB 0x7800
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#define HUBPORT 0x0700
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#define USBSPD 0x00C0
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#define RTPORT 0x0001
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/* Suspend Mode Register */
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#define SUSPM 0x4000 /* b14: Suspend */
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#define R8A66597_MAX_NUM_PIPE 10
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#define R8A66597_BUF_BSIZE 8
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#define R8A66597_MAX_DEVICE 10
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#define R8A66597_MAX_ROOT_HUB 2
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#define R8A66597_MAX_SAMPLING 5
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#define R8A66597_RH_POLL_TIME 10
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#define BULK_IN_PIPENUM 3
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#define BULK_IN_BUFNUM 8
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#define BULK_OUT_PIPENUM 4
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#define BULK_OUT_BUFNUM 40
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#define make_devsel(addr) ((addr) << 12)
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struct r8a66597 {
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unsigned long reg;
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unsigned short pipe_config; /* bit field */
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unsigned short port_status;
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unsigned short port_change;
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u16 speed; /* HSMODE or FSMODE or LSMODE */
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unsigned char rh_devnum;
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struct udevice *vbus_supply;
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};
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static inline u16 r8a66597_read(struct r8a66597 *r8a66597, unsigned long offset)
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{
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return readw(r8a66597->reg + offset);
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}
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static inline void r8a66597_read_fifo(struct r8a66597 *r8a66597,
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unsigned long offset, void *buf,
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int len)
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{
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int i;
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unsigned long fifoaddr = r8a66597->reg + offset;
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unsigned long count;
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unsigned long *p = buf;
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count = len / 4;
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for (i = 0; i < count; i++)
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p[i] = readl(r8a66597->reg + offset);
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if (len & 0x00000003) {
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unsigned long tmp = readl(fifoaddr);
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memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03);
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}
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}
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static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
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unsigned long offset)
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{
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writew(val, r8a66597->reg + offset);
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}
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static inline void r8a66597_write_fifo(struct r8a66597 *r8a66597,
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unsigned long offset, void *buf,
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int len)
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{
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int i;
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unsigned long fifoaddr = r8a66597->reg + offset;
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unsigned long count;
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unsigned char *pb;
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unsigned long *p = buf;
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count = len / 4;
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for (i = 0; i < count; i++)
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writel(p[i], fifoaddr);
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if (len & 0x00000003) {
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pb = (unsigned char *)buf + count * 4;
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for (i = 0; i < (len & 0x00000003); i++) {
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if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
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writeb(pb[i], fifoaddr + i);
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else
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writeb(pb[i], fifoaddr + 3 - i);
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}
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}
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}
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static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
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u16 val, u16 pat, unsigned long offset)
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{
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u16 tmp;
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tmp = r8a66597_read(r8a66597, offset);
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tmp = tmp & (~pat);
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tmp = tmp | val;
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r8a66597_write(r8a66597, tmp, offset);
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}
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#define r8a66597_bclr(r8a66597, val, offset) \
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r8a66597_mdfy(r8a66597, 0, val, offset)
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#define r8a66597_bset(r8a66597, val, offset) \
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r8a66597_mdfy(r8a66597, val, 0, offset)
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static inline unsigned long get_syscfg_reg(int port)
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{
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return port == 0 ? SYSCFG0 : SYSCFG1;
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}
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static inline unsigned long get_syssts_reg(int port)
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{
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return port == 0 ? SYSSTS0 : SYSSTS1;
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}
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static inline unsigned long get_dvstctr_reg(int port)
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{
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return port == 0 ? DVSTCTR0 : DVSTCTR1;
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}
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static inline unsigned long get_dmacfg_reg(int port)
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{
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return port == 0 ? DMA0CFG : DMA1CFG;
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}
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static inline unsigned long get_intenb_reg(int port)
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{
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return port == 0 ? INTENB1 : INTENB2;
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}
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static inline unsigned long get_intsts_reg(int port)
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{
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return port == 0 ? INTSTS1 : INTSTS2;
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}
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static inline u16 get_rh_usb_speed(struct r8a66597 *r8a66597, int port)
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{
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unsigned long dvstctr_reg = get_dvstctr_reg(port);
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return r8a66597_read(r8a66597, dvstctr_reg) & RHST;
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}
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static inline void r8a66597_port_power(struct r8a66597 *r8a66597, int port,
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int power)
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{
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unsigned long dvstctr_reg = get_dvstctr_reg(port);
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if (power)
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r8a66597_bset(r8a66597, VBOUT, dvstctr_reg);
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else
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r8a66597_bclr(r8a66597, VBOUT, dvstctr_reg);
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}
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#define get_pipectr_addr(pipenum) (PIPE1CTR + (pipenum - 1) * 2)
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#define get_pipetre_addr(pipenum) (PIPE1TRE + (pipenum - 1) * 4)
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#define get_pipetrn_addr(pipenum) (PIPE1TRN + (pipenum - 1) * 4)
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#define get_devadd_addr(address) (DEVADD0 + address * 2)
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/* USB HUB CONSTANTS (not OHCI-specific; see hub.h, based on usb_ohci.h) */
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/* destination of request */
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#define RH_INTERFACE 0x01
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#define RH_ENDPOINT 0x02
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#define RH_OTHER 0x03
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#define RH_CLASS 0x20
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#define RH_VENDOR 0x40
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/* Requests: bRequest << 8 | bmRequestType */
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#define RH_GET_STATUS 0x0080
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#define RH_CLEAR_FEATURE 0x0100
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#define RH_SET_FEATURE 0x0300
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#define RH_SET_ADDRESS 0x0500
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#define RH_GET_DESCRIPTOR 0x0680
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#define RH_SET_DESCRIPTOR 0x0700
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#define RH_GET_CONFIGURATION 0x0880
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#define RH_SET_CONFIGURATION 0x0900
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#define RH_GET_STATE 0x0280
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#define RH_GET_INTERFACE 0x0A80
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#define RH_SET_INTERFACE 0x0B00
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#define RH_SYNC_FRAME 0x0C80
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/* Our Vendor Specific Request */
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#define RH_SET_EP 0x2000
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/* Hub port features */
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#define RH_PORT_CONNECTION 0x00
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#define RH_PORT_ENABLE 0x01
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#define RH_PORT_SUSPEND 0x02
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#define RH_PORT_OVER_CURRENT 0x03
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#define RH_PORT_RESET 0x04
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#define RH_PORT_POWER 0x08
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#define RH_PORT_LOW_SPEED 0x09
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#define RH_C_PORT_CONNECTION 0x10
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#define RH_C_PORT_ENABLE 0x11
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#define RH_C_PORT_SUSPEND 0x12
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#define RH_C_PORT_OVER_CURRENT 0x13
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#define RH_C_PORT_RESET 0x14
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/* Hub features */
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#define RH_C_HUB_LOCAL_POWER 0x00
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#define RH_C_HUB_OVER_CURRENT 0x01
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#define RH_DEVICE_REMOTE_WAKEUP 0x00
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#define RH_ENDPOINT_STALL 0x01
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#define RH_ACK 0x01
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#define RH_REQ_ERR -1
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#define RH_NACK 0x00
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/* OHCI ROOT HUB REGISTER MASKS */
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/* roothub.portstatus [i] bits */
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#define RH_PS_CCS 0x00000001 /* current connect status */
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#define RH_PS_PES 0x00000002 /* port enable status*/
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#define RH_PS_PSS 0x00000004 /* port suspend status */
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#define RH_PS_POCI 0x00000008 /* port over current indicator */
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#define RH_PS_PRS 0x00000010 /* port reset status */
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#define RH_PS_PPS 0x00000100 /* port power status */
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#define RH_PS_LSDA 0x00000200 /* low speed device attached */
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#define RH_PS_CSC 0x00010000 /* connect status change */
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#define RH_PS_PESC 0x00020000 /* port enable status change */
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#define RH_PS_PSSC 0x00040000 /* port suspend status change */
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#define RH_PS_OCIC 0x00080000 /* over current indicator change */
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#define RH_PS_PRSC 0x00100000 /* port reset status change */
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/* roothub.status bits */
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#define RH_HS_LPS 0x00000001 /* local power status */
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#define RH_HS_OCI 0x00000002 /* over current indicator */
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#define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */
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#define RH_HS_LPSC 0x00010000 /* local power status change */
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#define RH_HS_OCIC 0x00020000 /* over current indicator change */
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#define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */
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/* roothub.b masks */
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#define RH_B_DR 0x0000ffff /* device removable flags */
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#define RH_B_PPCM 0xffff0000 /* port power control mask */
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/* roothub.a masks */
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#define RH_A_NDP (0xff << 0) /* number of downstream ports */
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#define RH_A_PSM BIT(8) /* power switching mode */
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#define RH_A_NPS BIT(9) /* no power switching */
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#define RH_A_DT BIT(10) /* device type (mbz) */
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#define RH_A_OCPM BIT(11) /* over current protection mode */
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#define RH_A_NOCP BIT(12) /* no over current protection */
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#define RH_A_POTPGT (0xff << 24) /* power on to power good time */
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#endif /* __R8A66597_H__ */
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