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|
/*
* sh_eth.h - Driver for Renesas SuperH ethernet controler.
*
* Copyright (C) 2008, 2011 Renesas Solutions Corp.
* Copyright (c) 2008, 2011 Nobuhiro Iwamatsu
* Copyright (c) 2007 Carlos Munoz <carlos@kenati.com>
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <netdev.h>
#include <asm/types.h>
#define SHETHER_NAME "sh_eth"
/* Malloc returns addresses in the P1 area (cacheable). However we need to
use area P2 (non-cacheable) */
#define ADDR_TO_P2(addr) ((((int)(addr) & ~0xe0000000) | 0xa0000000))
/* The ethernet controller needs to use physical addresses */
#if defined(CONFIG_SH_32BIT)
#define ADDR_TO_PHY(addr) ((((int)(addr) & ~0xe0000000) | 0x40000000))
#else
#define ADDR_TO_PHY(addr) ((int)(addr) & ~0xe0000000)
#endif
/* Number of supported ports */
#define MAX_PORT_NUM 2
/* Buffers must be big enough to hold the largest ethernet frame. Also, rx
buffers must be a multiple of 32 bytes */
#define MAX_BUF_SIZE (48 * 32)
/* The number of tx descriptors must be large enough to point to 5 or more
frames. If each frame uses 2 descriptors, at least 10 descriptors are needed.
We use one descriptor per frame */
#define NUM_TX_DESC 8
/* The size of the tx descriptor is determined by how much padding is used.
4, 20, or 52 bytes of padding can be used */
#define TX_DESC_PADDING 4
#define TX_DESC_SIZE (12 + TX_DESC_PADDING)
/* Tx descriptor. We always use 3 bytes of padding */
struct tx_desc_s {
volatile u32 td0;
u32 td1;
u32 td2; /* Buffer start */
u32 padding;
};
/* There is no limitation in the number of rx descriptors */
#define NUM_RX_DESC 8
/* The size of the rx descriptor is determined by how much padding is used.
4, 20, or 52 bytes of padding can be used */
#define RX_DESC_PADDING 4
#define RX_DESC_SIZE (12 + RX_DESC_PADDING)
/* Rx descriptor. We always use 4 bytes of padding */
struct rx_desc_s {
volatile u32 rd0;
volatile u32 rd1;
u32 rd2; /* Buffer start */
u32 padding;
};
struct sh_eth_info {
struct tx_desc_s *tx_desc_malloc;
struct tx_desc_s *tx_desc_base;
struct tx_desc_s *tx_desc_cur;
struct rx_desc_s *rx_desc_malloc;
struct rx_desc_s *rx_desc_base;
struct rx_desc_s *rx_desc_cur;
u8 *rx_buf_malloc;
u8 *rx_buf_base;
u8 mac_addr[6];
u8 phy_addr;
struct eth_device *dev;
struct phy_device *phydev;
};
struct sh_eth_dev {
int port;
struct sh_eth_info port_info[MAX_PORT_NUM];
};
/* Register Address */
#ifdef CONFIG_CPU_SH7763
#define BASE_IO_ADDR 0xfee00000
#define EDSR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000)
#define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010)
#define TDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0014)
#define TDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018)
#define TDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x001c)
#define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030)
#define RDFAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0034)
#define RDFXR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038)
#define RDFFR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x003c)
#define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0400)
#define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0408)
#define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0410)
#define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0428)
#define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0430)
#define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0438)
#define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0448)
#define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0450)
#define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0458)
#define RPADIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0460)
#define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0468)
#define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0500)
#define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0508)
#define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0518)
#define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0520)
#define PIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x052c)
#define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0554)
#define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0558)
#define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0564)
#define GECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05b0)
#define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c8)
#define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x05c0)
#elif defined(CONFIG_CPU_SH7757)
#define BASE_IO_ADDR 0xfef00000
#define TDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0018)
#define RDLAR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0020)
#define EDMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0000)
#define EDTRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0008)
#define EDRRR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0010)
#define EESR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0028)
#define EESIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0030)
#define TRSCER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0038)
#define TFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0048)
#define FDR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0050)
#define RMCR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0058)
#define FCFTR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0070)
#define ECMR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0100)
#define RFLR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0108)
#define ECSIPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0118)
#define PIR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0120)
#define APR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0154)
#define MPR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0158)
#define TPAUSER(port) (BASE_IO_ADDR + 0x800 * (port) + 0x0164)
#define MAHR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c0)
#define MALR(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01c8)
#define RTRATE(port) (BASE_IO_ADDR + 0x800 * (port) + 0x01fc)
#elif defined(CONFIG_CPU_SH7724)
#define BASE_IO_ADDR 0xA4600000
#define TDLAR(port) (BASE_IO_ADDR + 0x0018)
#define RDLAR(port) (BASE_IO_ADDR + 0x0020)
#define EDMR(port) (BASE_IO_ADDR + 0x0000)
#define EDTRR(port) (BASE_IO_ADDR + 0x0008)
#define EDRRR(port) (BASE_IO_ADDR + 0x0010)
#define EESR(port) (BASE_IO_ADDR + 0x0028)
#define EESIPR(port) (BASE_IO_ADDR + 0x0030)
#define TRSCER(port) (BASE_IO_ADDR + 0x0038)
#define TFTR(port) (BASE_IO_ADDR + 0x0048)
#define FDR(port) (BASE_IO_ADDR + 0x0050)
#define RMCR(port) (BASE_IO_ADDR + 0x0058)
#define FCFTR(port) (BASE_IO_ADDR + 0x0070)
#define ECMR(port) (BASE_IO_ADDR + 0x0100)
#define RFLR(port) (BASE_IO_ADDR + 0x0108)
#define ECSIPR(port) (BASE_IO_ADDR + 0x0118)
#define PIR(port) (BASE_IO_ADDR + 0x0120)
#define APR(port) (BASE_IO_ADDR + 0x0154)
#define MPR(port) (BASE_IO_ADDR + 0x0158)
#define TPAUSER(port) (BASE_IO_ADDR + 0x0164)
#define MAHR(port) (BASE_IO_ADDR + 0x01c0)
#define MALR(port) (BASE_IO_ADDR + 0x01c8)
#elif defined(CONFIG_CPU_SH7734)
#define BASE_IO_ADDR 0xFEE00000
#define EDSR(port) (BASE_IO_ADDR)
#define TDLAR(port) (BASE_IO_ADDR + 0x0010)
#define TDFAR(port) (BASE_IO_ADDR + 0x0014)
#define TDFXR(port) (BASE_IO_ADDR + 0x0018)
#define TDFFR(port) (BASE_IO_ADDR + 0x001c)
#define RDLAR(port) (BASE_IO_ADDR + 0x0030)
#define RDFAR(port) (BASE_IO_ADDR + 0x0034)
#define RDFXR(port) (BASE_IO_ADDR + 0x0038)
#define RDFFR(port) (BASE_IO_ADDR + 0x003c)
#define EDMR(port) (BASE_IO_ADDR + 0x0400)
#define EDTRR(port) (BASE_IO_ADDR + 0x0408)
#define EDRRR(port) (BASE_IO_ADDR + 0x0410)
#define EESR(port) (BASE_IO_ADDR + 0x0428)
#define EESIPR(port) (BASE_IO_ADDR + 0x0430)
#define TRSCER(port) (BASE_IO_ADDR + 0x0438)
#define TFTR(port) (BASE_IO_ADDR + 0x0448)
#define FDR(port) (BASE_IO_ADDR + 0x0450)
#define RMCR(port) (BASE_IO_ADDR + 0x0458)
#define RPADIR(port) (BASE_IO_ADDR + 0x0460)
#define FCFTR(port) (BASE_IO_ADDR + 0x0468)
#define ECMR(port) (BASE_IO_ADDR + 0x0500)
#define RFLR(port) (BASE_IO_ADDR + 0x0508)
#define ECSIPR(port) (BASE_IO_ADDR + 0x0518)
#define PIR(port) (BASE_IO_ADDR + 0x0520)
#define PIPR(port) (BASE_IO_ADDR + 0x052c)
#define APR(port) (BASE_IO_ADDR + 0x0554)
#define MPR(port) (BASE_IO_ADDR + 0x0558)
#define TPAUSER(port) (BASE_IO_ADDR + 0x0564)
#define GECMR(port) (BASE_IO_ADDR + 0x05b0)
#define MAHR(port) (BASE_IO_ADDR + 0x05C0)
#define MALR(port) (BASE_IO_ADDR + 0x05C8)
#define RMII_MII(port) (BASE_IO_ADDR + 0x0790)
#endif
/*
* Register's bits
* Copy from Linux driver source code
*/
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
/* EDSR */
enum EDSR_BIT {
EDSR_ENT = 0x01, EDSR_ENR = 0x02,
};
#define EDSR_ENALL (EDSR_ENT|EDSR_ENR)
#endif
/* EDMR */
enum DMAC_M_BIT {
EDMR_DL1 = 0x20, EDMR_DL0 = 0x10,
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
EDMR_SRST = 0x03, /* Receive/Send reset */
EMDR_DESC_R = 0x30, /* Descriptor reserve size */
EDMR_EL = 0x40, /* Litte endian */
#elif defined(CONFIG_CPU_SH7757) || defined(CONFIG_CPU_SH7724)
EDMR_SRST = 0x01,
EMDR_DESC_R = 0x30, /* Descriptor reserve size */
EDMR_EL = 0x40, /* Litte endian */
#else /* CONFIG_CPU_SH7763 */
EDMR_SRST = 0x01,
#endif
};
/* RFLR */
#define RFLR_RFL_MIN 0x05EE /* Recv Frame length 1518 byte */
/* EDTRR */
enum DMAC_T_BIT {
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
EDTRR_TRNS = 0x03,
#else
EDTRR_TRNS = 0x01,
#endif
};
/* GECMR */
enum GECMR_BIT {
GECMR_1000B = 0x01, GECMR_100B = 0x04, GECMR_10B = 0x00,
};
/* EDRRR*/
enum EDRRR_R_BIT {
EDRRR_R = 0x01,
};
/* TPAUSER */
enum TPAUSER_BIT {
TPAUSER_TPAUSE = 0x0000ffff,
TPAUSER_UNLIMITED = 0,
};
/* BCFR */
enum BCFR_BIT {
BCFR_RPAUSE = 0x0000ffff,
BCFR_UNLIMITED = 0,
};
/* PIR */
enum PIR_BIT {
PIR_MDI = 0x08, PIR_MDO = 0x04, PIR_MMD = 0x02, PIR_MDC = 0x01,
};
/* PSR */
enum PHY_STATUS_BIT { PHY_ST_LINK = 0x01, };
/* EESR */
enum EESR_BIT {
#if defined(CONFIG_CPU_SH7724) || defined(CONFIG_CPU_SH7757)
EESR_TWB = 0x40000000,
#else
EESR_TWB = 0xC0000000,
EESR_TC1 = 0x20000000,
EESR_TUC = 0x10000000,
EESR_ROC = 0x80000000,
#endif
EESR_TABT = 0x04000000,
EESR_RABT = 0x02000000, EESR_RFRMER = 0x01000000,
#if defined(CONFIG_CPU_SH7724) || defined(CONFIG_CPU_SH7757)
EESR_ADE = 0x00800000,
#endif
EESR_ECI = 0x00400000,
EESR_FTC = 0x00200000, EESR_TDE = 0x00100000,
EESR_TFE = 0x00080000, EESR_FRC = 0x00040000,
EESR_RDE = 0x00020000, EESR_RFE = 0x00010000,
#if defined(CONFIG_CPU_SH7724) || defined(CONFIG_CPU_SH7757)
EESR_CND = 0x00000800,
#endif
EESR_DLC = 0x00000400,
EESR_CD = 0x00000200, EESR_RTO = 0x00000100,
EESR_RMAF = 0x00000080, EESR_CEEF = 0x00000040,
EESR_CELF = 0x00000020, EESR_RRF = 0x00000010,
rESR_RTLF = 0x00000008, EESR_RTSF = 0x00000004,
EESR_PRE = 0x00000002, EESR_CERF = 0x00000001,
};
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
# define TX_CHECK (EESR_TC1 | EESR_FTC)
# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
| EESR_RFRMER | EESR_TFE | EESR_TDE | EESR_ECI)
# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_TDE | EESR_TFE)
#else
# define TX_CHECK (EESR_FTC | EESR_CND | EESR_DLC | EESR_CD | EESR_RTO)
# define EESR_ERR_CHECK (EESR_TWB | EESR_TABT | EESR_RABT | EESR_RDE \
| EESR_RFRMER | EESR_ADE | EESR_TFE | EESR_TDE | EESR_ECI)
# define TX_ERROR_CEHCK (EESR_TWB | EESR_TABT | EESR_ADE | EESR_TDE | EESR_TFE)
#endif
/* EESIPR */
enum DMAC_IM_BIT {
DMAC_M_TWB = 0x40000000, DMAC_M_TABT = 0x04000000,
DMAC_M_RABT = 0x02000000,
DMAC_M_RFRMER = 0x01000000, DMAC_M_ADF = 0x00800000,
DMAC_M_ECI = 0x00400000, DMAC_M_FTC = 0x00200000,
DMAC_M_TDE = 0x00100000, DMAC_M_TFE = 0x00080000,
DMAC_M_FRC = 0x00040000, DMAC_M_RDE = 0x00020000,
DMAC_M_RFE = 0x00010000, DMAC_M_TINT4 = 0x00000800,
DMAC_M_TINT3 = 0x00000400, DMAC_M_TINT2 = 0x00000200,
DMAC_M_TINT1 = 0x00000100, DMAC_M_RINT8 = 0x00000080,
DMAC_M_RINT5 = 0x00000010, DMAC_M_RINT4 = 0x00000008,
DMAC_M_RINT3 = 0x00000004, DMAC_M_RINT2 = 0x00000002,
DMAC_M_RINT1 = 0x00000001,
};
/* Receive descriptor bit */
enum RD_STS_BIT {
RD_RACT = 0x80000000, RD_RDLE = 0x40000000,
RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
RD_RFE = 0x08000000, RD_RFS10 = 0x00000200,
RD_RFS9 = 0x00000100, RD_RFS8 = 0x00000080,
RD_RFS7 = 0x00000040, RD_RFS6 = 0x00000020,
RD_RFS5 = 0x00000010, RD_RFS4 = 0x00000008,
RD_RFS3 = 0x00000004, RD_RFS2 = 0x00000002,
RD_RFS1 = 0x00000001,
};
#define RDF1ST RD_RFP1
#define RDFEND RD_RFP0
#define RD_RFP (RD_RFP1|RD_RFP0)
/* RDFFR*/
enum RDFFR_BIT {
RDFFR_RDLF = 0x01,
};
/* FCFTR */
enum FCFTR_BIT {
FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
FCFTR_RFF0 = 0x00010000, FCFTR_RFD2 = 0x00000004,
FCFTR_RFD1 = 0x00000002, FCFTR_RFD0 = 0x00000001,
};
#define FIFO_F_D_RFF (FCFTR_RFF2|FCFTR_RFF1|FCFTR_RFF0)
#define FIFO_F_D_RFD (FCFTR_RFD2|FCFTR_RFD1|FCFTR_RFD0)
/* Transfer descriptor bit */
enum TD_STS_BIT {
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7757) \
|| defined(CONFIG_CPU_SH7724) || defined(CONFIG_CPU_SH7734)
TD_TACT = 0x80000000,
#else
TD_TACT = 0x7fffffff,
#endif
TD_TDLE = 0x40000000, TD_TFP1 = 0x20000000,
TD_TFP0 = 0x10000000,
};
#define TDF1ST TD_TFP1
#define TDFEND TD_TFP0
#define TD_TFP (TD_TFP1|TD_TFP0)
/* RMCR */
enum RECV_RST_BIT { RMCR_RST = 0x01, };
/* ECMR */
enum FELIC_MODE_BIT {
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
ECMR_TRCCM=0x04000000, ECMR_RCSC= 0x00800000, ECMR_DPAD= 0x00200000,
ECMR_RZPF = 0x00100000,
#endif
ECMR_ZPF = 0x00080000, ECMR_PFR = 0x00040000, ECMR_RXF = 0x00020000,
ECMR_TXF = 0x00010000, ECMR_MCT = 0x00002000, ECMR_PRCEF = 0x00001000,
ECMR_PMDE = 0x00000200, ECMR_RE = 0x00000040, ECMR_TE = 0x00000020,
ECMR_ILB = 0x00000008, ECMR_ELB = 0x00000004, ECMR_DM = 0x00000002,
ECMR_PRM = 0x00000001,
#ifdef CONFIG_CPU_SH7724
ECMR_RTM = 0x00000010,
#endif
};
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
#define ECMR_CHG_DM (ECMR_TRCCM | ECMR_RZPF | ECMR_ZPF | ECMR_PFR | ECMR_RXF | \
ECMR_TXF | ECMR_MCT)
#elif CONFIG_CPU_SH7724 || CONFIG_CPU_SH7757
#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF)
#else
#define ECMR_CHG_DM (ECMR_ZPF | ECMR_PFR | ECMR_RXF | ECMR_TXF | ECMR_MCT)
#endif
/* ECSR */
enum ECSR_STATUS_BIT {
#if defined(CONFIG_CPU_SH7724) || defined(CONFIG_CPU_SH7757)
ECSR_BRCRX = 0x20, ECSR_PSRTO = 0x10,
#endif
ECSR_LCHNG = 0x04,
ECSR_MPD = 0x02, ECSR_ICD = 0x01,
};
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
# define ECSR_INIT (ECSR_ICD | ECSIPR_MPDIP)
#else
# define ECSR_INIT (ECSR_BRCRX | ECSR_PSRTO | \
ECSR_LCHNG | ECSR_ICD | ECSIPR_MPDIP)
#endif
/* ECSIPR */
enum ECSIPR_STATUS_MASK_BIT {
#if defined(CONFIG_CPU_SH7724) || defined(CONFIG_CPU_SH7757)
ECSIPR_BRCRXIP = 0x20,
ECSIPR_PSRTOIP = 0x10,
#elif defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
ECSIPR_PSRTOIP = 0x10,
ECSIPR_PHYIP = 0x08,
#endif
ECSIPR_LCHNGIP = 0x04,
ECSIPR_MPDIP = 0x02,
ECSIPR_ICDIP = 0x01,
};
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
# define ECSIPR_INIT (ECSIPR_LCHNGIP | ECSIPR_ICDIP | ECSIPR_MPDIP)
#else
# define ECSIPR_INIT (ECSIPR_BRCRXIP | ECSIPR_PSRTOIP | ECSIPR_LCHNGIP | \
ECSIPR_ICDIP | ECSIPR_MPDIP)
#endif
/* APR */
enum APR_BIT {
APR_AP = 0x00000004,
};
/* MPR */
enum MPR_BIT {
MPR_MP = 0x00000006,
};
/* TRSCER */
enum DESC_I_BIT {
DESC_I_TINT4 = 0x0800, DESC_I_TINT3 = 0x0400, DESC_I_TINT2 = 0x0200,
DESC_I_TINT1 = 0x0100, DESC_I_RINT8 = 0x0080, DESC_I_RINT5 = 0x0010,
DESC_I_RINT4 = 0x0008, DESC_I_RINT3 = 0x0004, DESC_I_RINT2 = 0x0002,
DESC_I_RINT1 = 0x0001,
};
/* RPADIR */
enum RPADIR_BIT {
RPADIR_PADS1 = 0x20000, RPADIR_PADS0 = 0x10000,
RPADIR_PADR = 0x0003f,
};
#if defined(CONFIG_CPU_SH7763) || defined(CONFIG_CPU_SH7734)
# define RPADIR_INIT (0x00)
#else
# define RPADIR_INIT (RPADIR_PADS1)
#endif
/* FDR */
enum FIFO_SIZE_BIT {
FIFO_SIZE_T = 0x00000700, FIFO_SIZE_R = 0x00000007,
};
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