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      1 /* SPDX-License-Identifier: GPL-2.0+ */
      2 /*
      3  * Faraday USB 2.0 OTG Controller
      4  *
      5  * (C) Copyright 2010 Faraday Technology
      6  * Dante Su <dantesu (at) faraday-tech.com>
      7  */
      8 
      9 #ifndef _FOTG210_H
     10 #define _FOTG210_H
     11 
     12 struct fotg210_regs {
     13 	/* USB Host Controller */
     14 	struct {
     15 		uint32_t data[4];
     16 	} hccr;			/* 0x00 - 0x0f: hccr */
     17 	struct {
     18 		uint32_t data[9];
     19 	} hcor;			/* 0x10 - 0x33: hcor */
     20 	uint32_t rsvd1[3];
     21 	uint32_t miscr;	/* 0x40: Miscellaneous Register */
     22 	uint32_t rsvd2[15];
     23 	/* USB OTG Controller */
     24 	uint32_t otgcsr;/* 0x80: OTG Control Status Register */
     25 	uint32_t otgisr;/* 0x84: OTG Interrupt Status Register */
     26 	uint32_t otgier;/* 0x88: OTG Interrupt Enable Register */
     27 	uint32_t rsvd3[13];
     28 	uint32_t isr;	/* 0xC0: Global Interrupt Status Register */
     29 	uint32_t imr;	/* 0xC4: Global Interrupt Mask Register */
     30 	uint32_t rsvd4[14];
     31 	/* USB Device Controller */
     32 	uint32_t dev_ctrl;/* 0x100: Device Control Register */
     33 	uint32_t dev_addr;/* 0x104: Device Address Register */
     34 	uint32_t dev_test;/* 0x108: Device Test Register */
     35 	uint32_t sof_fnr; /* 0x10c: SOF Frame Number Register */
     36 	uint32_t sof_mtr; /* 0x110: SOF Mask Timer Register */
     37 	uint32_t phy_tmsr;/* 0x114: PHY Test Mode Selector Register */
     38 	uint32_t rsvd5[2];
     39 	uint32_t cxfifo;/* 0x120: CX FIFO Register */
     40 	uint32_t idle;	/* 0x124: IDLE Counter Register */
     41 	uint32_t rsvd6[2];
     42 	uint32_t gimr;	/* 0x130: Group Interrupt Mask Register */
     43 	uint32_t gimr0; /* 0x134: Group Interrupt Mask Register 0 */
     44 	uint32_t gimr1; /* 0x138: Group Interrupt Mask Register 1 */
     45 	uint32_t gimr2; /* 0x13c: Group Interrupt Mask Register 2 */
     46 	uint32_t gisr;	/* 0x140: Group Interrupt Status Register */
     47 	uint32_t gisr0; /* 0x144: Group Interrupt Status Register 0 */
     48 	uint32_t gisr1; /* 0x148: Group Interrupt Status Register 1 */
     49 	uint32_t gisr2; /* 0x14c: Group Interrupt Status Register 2 */
     50 	uint32_t rxzlp; /* 0x150: Receive Zero-Length-Packet Register */
     51 	uint32_t txzlp; /* 0x154: Transfer Zero-Length-Packet Register */
     52 	uint32_t isoeasr;/* 0x158: ISOC Error/Abort Status Register */
     53 	uint32_t rsvd7[1];
     54 	uint32_t iep[8]; /* 0x160 - 0x17f: IN Endpoint Register */
     55 	uint32_t oep[8]; /* 0x180 - 0x19f: OUT Endpoint Register */
     56 	uint32_t epmap14;/* 0x1a0: Endpoint Map Register (EP1 ~ 4) */
     57 	uint32_t epmap58;/* 0x1a4: Endpoint Map Register (EP5 ~ 8) */
     58 	uint32_t fifomap;/* 0x1a8: FIFO Map Register */
     59 	uint32_t fifocfg; /* 0x1ac: FIFO Configuration Register */
     60 	uint32_t fifocsr[4];/* 0x1b0 - 0x1bf: FIFO Control Status Register */
     61 	uint32_t dma_fifo; /* 0x1c0: DMA Target FIFO Register */
     62 	uint32_t rsvd8[1];
     63 	uint32_t dma_ctrl; /* 0x1c8: DMA Control Register */
     64 	uint32_t dma_addr; /* 0x1cc: DMA Address Register */
     65 	uint32_t ep0_data; /* 0x1d0: EP0 Setup Packet PIO Register */
     66 };
     67 
     68 /* Miscellaneous Register */
     69 #define MISCR_SUSPEND  (1 << 6) /* Put transceiver in suspend mode */
     70 #define MISCR_EOF2(x)  (((x) & 0x3) << 4) /* EOF 2 Timing */
     71 #define MISCR_EOF1(x)  (((x) & 0x3) << 2) /* EOF 1 Timing */
     72 #define MISCR_ASST(x)  (((x) & 0x3) << 0) /* Async. Sched. Sleep Timer */
     73 
     74 /* OTG Control Status Register */
     75 #define OTGCSR_SPD_HIGH     (2 << 22) /* Speed of the attached device (host) */
     76 #define OTGCSR_SPD_LOW      (1 << 22)
     77 #define OTGCSR_SPD_FULL     (0 << 22)
     78 #define OTGCSR_SPD_MASK     (3 << 22)
     79 #define OTGCSR_SPD_SHIFT    22
     80 #define OTGCSR_SPD(x)       (((x) >> 22) & 0x03)
     81 #define OTGCSR_DEV_A        (0 << 21) /* Acts as A-device */
     82 #define OTGCSR_DEV_B        (1 << 21) /* Acts as B-device */
     83 #define OTGCSR_ROLE_H       (0 << 20) /* Acts as Host */
     84 #define OTGCSR_ROLE_D       (1 << 20) /* Acts as Device */
     85 #define OTGCSR_A_VBUS_VLD   (1 << 19) /* A-device VBUS Valid */
     86 #define OTGCSR_A_SESS_VLD   (1 << 18) /* A-device Session Valid */
     87 #define OTGCSR_B_SESS_VLD   (1 << 17) /* B-device Session Valid */
     88 #define OTGCSR_B_SESS_END   (1 << 16) /* B-device Session End */
     89 #define OTGCSR_HFT_LONG     (1 << 11) /* HDISCON noise filter = 270 us*/
     90 #define OTGCSR_HFT          (0 << 11) /* HDISCON noise filter = 135 us*/
     91 #define OTGCSR_VFT_LONG     (1 << 10) /* VBUS noise filter = 472 us*/
     92 #define OTGCSR_VFT          (0 << 10) /* VBUS noise filter = 135 us*/
     93 #define OTGCSR_IDFT_LONG    (1 << 9)  /* ID noise filter = 4 ms*/
     94 #define OTGCSR_IDFT         (0 << 9)  /* ID noise filter = 3 ms*/
     95 #define OTGCSR_A_SRPR_VBUS  (0 << 8)  /* A-device: SRP responds to VBUS */
     96 #define OTGCSR_A_SRPR_DATA  (1 << 8)  /* A-device: SRP responds to DATA-LINE */
     97 #define OTGCSR_A_SRP_EN     (1 << 7)  /* A-device SRP detection enabled */
     98 #define OTGCSR_A_HNP        (1 << 6)  /* Set role=A-device with HNP enabled */
     99 #define OTGCSR_A_BUSDROP    (1 << 5)  /* A-device drop bus (power-down) */
    100 #define OTGCSR_A_BUSREQ     (1 << 4)  /* A-device request bus */
    101 #define OTGCSR_B_VBUS_DISC  (1 << 2)  /* B-device discharges VBUS */
    102 #define OTGCSR_B_HNP        (1 << 1)  /* B-device enable HNP */
    103 #define OTGCSR_B_BUSREQ     (1 << 0)  /* B-device request bus */
    104 
    105 /* OTG Interrupt Status Register */
    106 #define OTGISR_APRM         (1 << 12) /* Mini-A plug removed */
    107 #define OTGISR_BPRM         (1 << 11) /* Mini-B plug removed */
    108 #define OTGISR_OVD          (1 << 10) /* over-current detected */
    109 #define OTGISR_IDCHG        (1 << 9)  /* ID(A/B) changed */
    110 #define OTGISR_RLCHG        (1 << 8)  /* Role(Host/Device) changed */
    111 #define OTGISR_BSESSEND     (1 << 6)  /* B-device Session End */
    112 #define OTGISR_AVBUSERR     (1 << 5)  /* A-device VBUS Error */
    113 #define OTGISR_ASRP         (1 << 4)  /* A-device SRP detected */
    114 #define OTGISR_BSRP         (1 << 0)  /* B-device SRP complete */
    115 
    116 /* OTG Interrupt Enable Register */
    117 #define OTGIER_APRM         (1 << 12) /* Mini-A plug removed */
    118 #define OTGIER_BPRM         (1 << 11) /* Mini-B plug removed */
    119 #define OTGIER_OVD          (1 << 10) /* over-current detected */
    120 #define OTGIER_IDCHG        (1 << 9)  /* ID(A/B) changed */
    121 #define OTGIER_RLCHG        (1 << 8)  /* Role(Host/Device) changed */
    122 #define OTGIER_BSESSEND     (1 << 6)  /* B-device Session End */
    123 #define OTGIER_AVBUSERR     (1 << 5)  /* A-device VBUS Error */
    124 #define OTGIER_ASRP         (1 << 4)  /* A-device SRP detected */
    125 #define OTGIER_BSRP         (1 << 0)  /* B-device SRP complete */
    126 
    127 /* Global Interrupt Status Register (W1C) */
    128 #define ISR_HOST            (1 << 2)  /* USB Host interrupt */
    129 #define ISR_OTG             (1 << 1)  /* USB OTG interrupt */
    130 #define ISR_DEV             (1 << 0)  /* USB Device interrupt */
    131 #define ISR_MASK            0x07
    132 
    133 /* Global Interrupt Mask Register */
    134 #define IMR_IRQLH           (1 << 3)  /* Interrupt triggered at level-high */
    135 #define IMR_IRQLL           (0 << 3)  /* Interrupt triggered at level-low */
    136 #define IMR_HOST            (1 << 2)  /* USB Host interrupt */
    137 #define IMR_OTG             (1 << 1)  /* USB OTG interrupt */
    138 #define IMR_DEV             (1 << 0)  /* USB Device interrupt */
    139 #define IMR_MASK            0x0f
    140 
    141 /* Device Control Register */
    142 #define DEVCTRL_FS_FORCED   (1 << 9)  /* Forced to be Full-Speed Mode */
    143 #define DEVCTRL_HS          (1 << 6)  /* High Speed Mode */
    144 #define DEVCTRL_FS          (0 << 6)  /* Full Speed Mode */
    145 #define DEVCTRL_EN          (1 << 5)  /* Chip Enable */
    146 #define DEVCTRL_RESET       (1 << 4)  /* Chip Software Reset */
    147 #define DEVCTRL_SUSPEND     (1 << 3)  /* Enter Suspend Mode */
    148 #define DEVCTRL_GIRQ_EN     (1 << 2)  /* Global Interrupt Enabled */
    149 #define DEVCTRL_HALFSPD     (1 << 1)  /* Half speed mode for FPGA test */
    150 #define DEVCTRL_RWAKEUP     (1 << 0)  /* Enable remote wake-up */
    151 
    152 /* Device Address Register */
    153 #define DEVADDR_CONF        (1 << 7)  /* SET_CONFIGURATION has been executed */
    154 #define DEVADDR_ADDR(x)     ((x) & 0x7f)
    155 #define DEVADDR_ADDR_MASK   0x7f
    156 
    157 /* Device Test Register */
    158 #define DEVTEST_NOSOF       (1 << 6)  /* Do not generate SOF */
    159 #define DEVTEST_TST_MODE    (1 << 5)  /* Enter Test Mode */
    160 #define DEVTEST_TST_NOTS    (1 << 4)  /* Do not toggle sequence */
    161 #define DEVTEST_TST_NOCRC   (1 << 3)  /* Do not append CRC */
    162 #define DEVTEST_TST_CLREA   (1 << 2)  /* Clear External Side Address */
    163 #define DEVTEST_TST_CXLP    (1 << 1)  /* EP0 loopback test */
    164 #define DEVTEST_TST_CLRFF   (1 << 0)  /* Clear FIFO */
    165 
    166 /* SOF Frame Number Register */
    167 #define SOFFNR_UFN(x)       (((x) >> 11) & 0x7) /* SOF Micro-Frame Number */
    168 #define SOFFNR_FNR(x)       ((x) & 0x7ff) /* SOF Frame Number */
    169 
    170 /* SOF Mask Timer Register */
    171 #define SOFMTR_TMR(x)       ((x) & 0xffff)
    172 
    173 /* PHY Test Mode Selector Register */
    174 #define PHYTMSR_TST_PKT     (1 << 4) /* Packet send test */
    175 #define PHYTMSR_TST_SE0NAK  (1 << 3) /* High-Speed quiescent state */
    176 #define PHYTMSR_TST_KSTA    (1 << 2) /* High-Speed K state */
    177 #define PHYTMSR_TST_JSTA    (1 << 1) /* High-Speed J state */
    178 #define PHYTMSR_UNPLUG      (1 << 0) /* Enable soft-detachment */
    179 
    180 /* CX FIFO Register */
    181 #define CXFIFO_BYTES(x)     (((x) >> 24) & 0x7f) /* CX/EP0 FIFO byte count */
    182 #define CXFIFO_FIFOE(x)     (1 << (((x) & 0x03) + 8)) /* EPx FIFO empty */
    183 #define CXFIFO_FIFOE_FIFO0  (1 << 8)
    184 #define CXFIFO_FIFOE_FIFO1  (1 << 9)
    185 #define CXFIFO_FIFOE_FIFO2  (1 << 10)
    186 #define CXFIFO_FIFOE_FIFO3  (1 << 11)
    187 #define CXFIFO_FIFOE_MASK   (0x0f << 8)
    188 #define CXFIFO_CXFIFOE      (1 << 5) /* CX FIFO empty */
    189 #define CXFIFO_CXFIFOF      (1 << 4) /* CX FIFO full */
    190 #define CXFIFO_CXFIFOCLR    (1 << 3) /* CX FIFO clear */
    191 #define CXFIFO_CXSTALL      (1 << 2) /* CX Stall */
    192 #define CXFIFO_TSTPKTFIN    (1 << 1) /* Test packet data transfer finished */
    193 #define CXFIFO_CXFIN        (1 << 0) /* CX data transfer finished */
    194 
    195 /* IDLE Counter Register */
    196 #define IDLE_MS(x)          ((x) & 0x07) /* PHY suspend delay = x ms */
    197 
    198 /* Group Interrupt Mask(Disable) Register */
    199 #define GIMR_GRP2           (1 << 2) /* Disable interrupt group 2 */
    200 #define GIMR_GRP1           (1 << 1) /* Disable interrupt group 1 */
    201 #define GIMR_GRP0           (1 << 0) /* Disable interrupt group 0 */
    202 #define GIMR_MASK           0x07
    203 
    204 /* Group Interrupt Mask(Disable) Register 0 (CX) */
    205 #define GIMR0_CXABORT       (1 << 5) /* CX command abort interrupt */
    206 #define GIMR0_CXERR         (1 << 4) /* CX command error interrupt */
    207 #define GIMR0_CXEND         (1 << 3) /* CX command end interrupt */
    208 #define GIMR0_CXOUT         (1 << 2) /* EP0-OUT packet interrupt */
    209 #define GIMR0_CXIN          (1 << 1) /* EP0-IN packet interrupt */
    210 #define GIMR0_CXSETUP       (1 << 0) /* EP0-SETUP packet interrupt */
    211 #define GIMR0_MASK          0x3f
    212 
    213 /* Group Interrupt Mask(Disable) Register 1 (FIFO) */
    214 #define GIMR1_FIFO_IN(x)    (1 << (((x) & 3) + 16))    /* FIFOx IN */
    215 #define GIMR1_FIFO_TX(x)    GIMR1_FIFO_IN(x)
    216 #define GIMR1_FIFO_OUT(x)   (1 << (((x) & 3) * 2))     /* FIFOx OUT */
    217 #define GIMR1_FIFO_SPK(x)   (1 << (((x) & 3) * 2 + 1)) /* FIFOx SHORT PACKET */
    218 #define GIMR1_FIFO_RX(x)    (GIMR1_FIFO_OUT(x) | GIMR1_FIFO_SPK(x))
    219 #define GIMR1_MASK          0xf00ff
    220 
    221 /* Group Interrupt Mask(Disable) Register 2 (Device) */
    222 #define GIMR2_WAKEUP        (1 << 10) /* Device waked up */
    223 #define GIMR2_IDLE          (1 << 9)  /* Device idle */
    224 #define GIMR2_DMAERR        (1 << 8)  /* DMA error */
    225 #define GIMR2_DMAFIN        (1 << 7)  /* DMA finished */
    226 #define GIMR2_ZLPRX         (1 << 6)  /* Zero-Length-Packet Rx Interrupt */
    227 #define GIMR2_ZLPTX         (1 << 5)  /* Zero-Length-Packet Tx Interrupt */
    228 #define GIMR2_ISOCABT       (1 << 4)  /* ISOC Abort Interrupt */
    229 #define GIMR2_ISOCERR       (1 << 3)  /* ISOC Error Interrupt */
    230 #define GIMR2_RESUME        (1 << 2)  /* Resume state change Interrupt */
    231 #define GIMR2_SUSPEND       (1 << 1)  /* Suspend state change Interrupt */
    232 #define GIMR2_RESET         (1 << 0)  /* Reset Interrupt */
    233 #define GIMR2_MASK          0x7ff
    234 
    235 /* Group Interrupt Status Register */
    236 #define GISR_GRP2           (1 << 2) /* Interrupt group 2 */
    237 #define GISR_GRP1           (1 << 1) /* Interrupt group 1 */
    238 #define GISR_GRP0           (1 << 0) /* Interrupt group 0 */
    239 
    240 /* Group Interrupt Status Register 0 (CX) */
    241 #define GISR0_CXABORT       (1 << 5) /* CX command abort interrupt */
    242 #define GISR0_CXERR         (1 << 4) /* CX command error interrupt */
    243 #define GISR0_CXEND         (1 << 3) /* CX command end interrupt */
    244 #define GISR0_CXOUT         (1 << 2) /* EP0-OUT packet interrupt */
    245 #define GISR0_CXIN          (1 << 1) /* EP0-IN packet interrupt */
    246 #define GISR0_CXSETUP       (1 << 0) /* EP0-SETUP packet interrupt */
    247 
    248 /* Group Interrupt Status Register 1 (FIFO) */
    249 #define GISR1_IN_FIFO(x)    (1 << (((x) & 0x03) + 16))    /* FIFOx IN */
    250 #define GISR1_OUT_FIFO(x)   (1 << (((x) & 0x03) * 2))     /* FIFOx OUT */
    251 #define GISR1_SPK_FIFO(x)   (1 << (((x) & 0x03) * 2 + 1)) /* FIFOx SPK */
    252 #define GISR1_RX_FIFO(x)    (3 << (((x) & 0x03) * 2))     /* FIFOx OUT/SPK */
    253 
    254 /* Group Interrupt Status Register 2 (Device) */
    255 #define GISR2_WAKEUP        (1 << 10) /* Device waked up */
    256 #define GISR2_IDLE          (1 << 9)  /* Device idle */
    257 #define GISR2_DMAERR        (1 << 8)  /* DMA error */
    258 #define GISR2_DMAFIN        (1 << 7)  /* DMA finished */
    259 #define GISR2_ZLPRX         (1 << 6)  /* Zero-Length-Packet Rx Interrupt */
    260 #define GISR2_ZLPTX         (1 << 5)  /* Zero-Length-Packet Tx Interrupt */
    261 #define GISR2_ISOCABT       (1 << 4)  /* ISOC Abort Interrupt */
    262 #define GISR2_ISOCERR       (1 << 3)  /* ISOC Error Interrupt */
    263 #define GISR2_RESUME        (1 << 2)  /* Resume state change Interrupt */
    264 #define GISR2_SUSPEND       (1 << 1)  /* Suspend state change Interrupt */
    265 #define GISR2_RESET         (1 << 0)  /* Reset Interrupt */
    266 
    267 /* Receive Zero-Length-Packet Register */
    268 #define RXZLP_EP(x)         (1 << ((x) - 1)) /* EPx ZLP rx interrupt */
    269 
    270 /* Transfer Zero-Length-Packet Register */
    271 #define TXZLP_EP(x)         (1 << ((x) - 1)) /* EPx ZLP tx interrupt */
    272 
    273 /* ISOC Error/Abort Status Register */
    274 #define ISOEASR_EP(x)       (0x10001 << ((x) - 1)) /* EPx ISOC Error/Abort */
    275 
    276 /* IN Endpoint Register */
    277 #define IEP_SENDZLP         (1 << 15)     /* Send Zero-Length-Packet */
    278 #define IEP_TNRHB(x)        (((x) & 0x03) << 13) \
    279 	/* Transaction Number for High-Bandwidth EP(ISOC) */
    280 #define IEP_RESET           (1 << 12)     /* Reset Toggle Sequence */
    281 #define IEP_STALL           (1 << 11)     /* Stall */
    282 #define IEP_MAXPS(x)        ((x) & 0x7ff) /* Max. packet size */
    283 
    284 /* OUT Endpoint Register */
    285 #define OEP_RESET           (1 << 12)     /* Reset Toggle Sequence */
    286 #define OEP_STALL           (1 << 11)     /* Stall */
    287 #define OEP_MAXPS(x)        ((x) & 0x7ff) /* Max. packet size */
    288 
    289 /* Endpoint Map Register (EP1 ~ EP4) */
    290 #define EPMAP14_SET_IN(ep, fifo) \
    291 	((fifo) & 3) << (((ep) - 1) << 3 + 0)
    292 #define EPMAP14_SET_OUT(ep, fifo) \
    293 	((fifo) & 3) << (((ep) - 1) << 3 + 4)
    294 #define EPMAP14_SET(ep, in, out) \
    295 	do { \
    296 		EPMAP14_SET_IN(ep, in); \
    297 		EPMAP14_SET_OUT(ep, out); \
    298 	} while (0)
    299 
    300 #define EPMAP14_DEFAULT     0x33221100 /* EP1->FIFO0, EP2->FIFO1... */
    301 
    302 /* Endpoint Map Register (EP5 ~ EP8) */
    303 #define EPMAP58_SET_IN(ep, fifo) \
    304 	((fifo) & 3) << (((ep) - 5) << 3 + 0)
    305 #define EPMAP58_SET_OUT(ep, fifo) \
    306 	((fifo) & 3) << (((ep) - 5) << 3 + 4)
    307 #define EPMAP58_SET(ep, in, out) \
    308 	do { \
    309 		EPMAP58_SET_IN(ep, in); \
    310 		EPMAP58_SET_OUT(ep, out); \
    311 	} while (0)
    312 
    313 #define EPMAP58_DEFAULT     0x00000000 /* All EPx->FIFO0 */
    314 
    315 /* FIFO Map Register */
    316 #define FIFOMAP_BIDIR       (2 << 4)
    317 #define FIFOMAP_IN          (1 << 4)
    318 #define FIFOMAP_OUT         (0 << 4)
    319 #define FIFOMAP_DIR_MASK    0x30
    320 #define FIFOMAP_EP(x)       ((x) & 0x0f)
    321 #define FIFOMAP_EP_MASK     0x0f
    322 #define FIFOMAP_CFG_MASK    0x3f
    323 #define FIFOMAP_DEFAULT     0x04030201 /* FIFO0->EP1, FIFO1->EP2... */
    324 #define FIFOMAP(fifo, cfg)  (((cfg) & 0x3f) << (((fifo) & 3) << 3))
    325 
    326 /* FIFO Configuration Register */
    327 #define FIFOCFG_EN          (1 << 5)
    328 #define FIFOCFG_BLKSZ_1024  (1 << 4)
    329 #define FIFOCFG_BLKSZ_512   (0 << 4)
    330 #define FIFOCFG_3BLK        (2 << 2)
    331 #define FIFOCFG_2BLK        (1 << 2)
    332 #define FIFOCFG_1BLK        (0 << 2)
    333 #define FIFOCFG_NBLK_MASK   3
    334 #define FIFOCFG_NBLK_SHIFT  2
    335 #define FIFOCFG_INTR        (3 << 0)
    336 #define FIFOCFG_BULK        (2 << 0)
    337 #define FIFOCFG_ISOC        (1 << 0)
    338 #define FIFOCFG_RSVD        (0 << 0)  /* Reserved */
    339 #define FIFOCFG_TYPE_MASK   3
    340 #define FIFOCFG_TYPE_SHIFT  0
    341 #define FIFOCFG_CFG_MASK    0x3f
    342 #define FIFOCFG(fifo, cfg)  (((cfg) & 0x3f) << (((fifo) & 3) << 3))
    343 
    344 /* FIFO Control Status Register */
    345 #define FIFOCSR_RESET       (1 << 12) /* FIFO Reset */
    346 #define FIFOCSR_BYTES(x)    ((x) & 0x7ff) /* Length(bytes) for OUT-EP/FIFO */
    347 
    348 /* DMA Target FIFO Register */
    349 #define DMAFIFO_CX          (1 << 4) /* DMA FIFO = CX FIFO */
    350 #define DMAFIFO_FIFO(x)     (1 << ((x) & 0x3)) /* DMA FIFO = FIFOx */
    351 
    352 /* DMA Control Register */
    353 #define DMACTRL_LEN(x)      (((x) & 0x1ffff) << 8) /* DMA length (Bytes) */
    354 #define DMACTRL_LEN_SHIFT   8
    355 #define DMACTRL_CLRFF       (1 << 4) /* Clear FIFO upon DMA abort */
    356 #define DMACTRL_ABORT       (1 << 3) /* DMA abort */
    357 #define DMACTRL_IO2IO       (1 << 2) /* IO to IO */
    358 #define DMACTRL_FIFO2MEM    (0 << 1) /* FIFO to Memory */
    359 #define DMACTRL_MEM2FIFO    (1 << 1) /* Memory to FIFO */
    360 #define DMACTRL_START       (1 << 0) /* DMA start */
    361 
    362 #endif
    363