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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-09-27 12:57:42 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-09-27 12:57:42 +0000 |
commit | bf10e8f01226f96e6927c7ff2f92a29b1f5ad5c9 (patch) | |
tree | 23121880aa3255fe51b4102c448e67e605d58e78 /nuttx/arch/arm/src/lpc214x/lpc214x_usbdev.h | |
parent | 53c90305748a8c184d0ef04c1a9b558aea4b55dc (diff) | |
download | px4-nuttx-bf10e8f01226f96e6927c7ff2f92a29b1f5ad5c9.tar.gz px4-nuttx-bf10e8f01226f96e6927c7ff2f92a29b1f5ad5c9.tar.bz2 px4-nuttx-bf10e8f01226f96e6927c7ff2f92a29b1f5ad5c9.zip |
Add DMA definitions
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@955 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lpc214x/lpc214x_usbdev.h')
-rw-r--r-- | nuttx/arch/arm/src/lpc214x/lpc214x_usbdev.h | 123 |
1 files changed, 93 insertions, 30 deletions
diff --git a/nuttx/arch/arm/src/lpc214x/lpc214x_usbdev.h b/nuttx/arch/arm/src/lpc214x/lpc214x_usbdev.h index d5089feb0..c98919138 100644 --- a/nuttx/arch/arm/src/lpc214x/lpc214x_usbdev.h +++ b/nuttx/arch/arm/src/lpc214x/lpc214x_usbdev.h @@ -47,7 +47,12 @@ * Definitions *******************************************************************************/ -/* USB Register definitions */ +/* USB RAM ********************************************************************/ + +#define LPC214X_USBDEV_RAMBASE (0x7fd00000) +#define LPC214X_USBDEV_RAMSIZE (8*1024) + +/* USB register address definitions ********************************************/ #define LPC214X_USBDEV_PLLCON (0xe01fc0a0) #define LPC214X_USBDEV_PLLCFG (0xe01fc0a4) @@ -60,6 +65,13 @@ #define LPC214X_USBDEV_DEVINTEN (0xe0090004) #define LPC214X_USBDEV_DEVINTCLR (0xe0090008) #define LPC214X_USBDEV_DEVINTSET (0xe009000c) +#define LPC214X_USBDEV_CMDCODE (0xe0090010) +#define LPC214X_USBDEV_CMDDATA (0xe0090014) +#define LPC214X_USBDEV_RXDATA (0xe0090018) +#define LPC214X_USBDEV_TXDATA (0xe009001c) +#define LPC214X_USBDEV_RXPLEN (0xe0090020) +#define LPC214X_USBDEV_TXPLEN (0xe0090024) +#define LPC214X_USBDEV_CTRL (0xe0090028) #define LPC214X_USBDEV_DEVINTPRI (0xe009002c) #define LPC214X_USBDEV_EPINTST (0xe0090030) #define LPC214X_USBDEV_EPINTEN (0xe0090034) @@ -69,22 +81,17 @@ #define LPC214X_USBDEV_REEP (0xe0090044) #define LPC214X_USBDEV_EPIND (0xe0090048) #define LPC214X_USBDEV_MAXPSIZE (0xe009004c) -#define LPC214X_USBDEV_RXDATA (0xe0090018) -#define LPC214X_USBDEV_RXPLEN (0xe0090020) -#define LPC214X_USBDEV_TXDATA (0xe009001c) -#define LPC214X_USBDEV_TXPLEN (0xe0090024) -#define LPC214X_USBDEV_CTRL (0xe0090028) -#define LPC214X_USBDEV_CMDCODE (0xe0090010) -#define LPC214X_USBDEV_CMDDATA (0xe0090014) #define LPC214X_USBDEV_DMARST (0xe0090050) #define LPC214X_USBDEV_DMARCLR (0xe0090054) #define LPC214X_USBDEV_DMARSET (0xe0090058) + #define LPC214X_USBDEV_UDCAH (0xe0090080) -#define LPC214X_USBDEV_EpDMASt (0xe0090084) +#define LPC214X_USBDEV_EPDMAST (0xe0090084) #define LPC214X_USBDEV_EPDMAEN (0xe0090088) #define LPC214X_USBDEV_EPDMADIS (0xe009008c) #define LPC214X_USBDEV_DMAINTST (0xe0090090) #define LPC214X_USBDEV_DMAINTEN (0xe0090094) + #define LPC214X_USBDEV_EOTINTST (0xe00900a0) #define LPC214X_USBDEV_EOTINTCLR (0xe00900a4) #define LPC214X_USBDEV_EOTINTSET (0xe00900a8) @@ -95,6 +102,8 @@ #define LPC214X_USBDEV_SYSERRINTCLR (0xe00900bc) #define LPC214X_USBDEV_SYSERRINTSET (0xe00900c0) +/* USB register bit definitions ************************************************/ + /* INTST bit definitions */ #define USBDEV_INTST_REQLP (0x00000001) @@ -157,7 +166,27 @@ #define USBDEV_DMAINST_SE (0x00000004) #define USBDEV_DMAINST_MASK (0x00000007) -/* Endpoints */ +/* Device Status Bits */ + +#define USBDEV_DEVSTATUS_CONNECT (0x00000001) /* Bit 0: Connected */ +#define USBDEV_DEVSTATUS_CONNCHG (0x00000002) /* Bit 1: Connect change */ +#define USBDEV_DEVSTATUS_SUSPEND (0x00000004) /* Bit 2: Suspend */ +#define USBDEV_DEVSTATUS_SUSPCHG (0x00000008) /* Bit 3: Suspend change */ +#define USBDEV_DEVSTATUS_RESET (0x00000002) /* Bit 4: Bus reset bit */ + +#define USBDEV_EPSTALL (0x00000001) +#define USBDEV_EPSTALLSTATUS (0x00000002) +#define USBDEV_EPSETUPPACKET (0x00000004) +#define USBDEV_EPPOSSTATUS (0x00000010) +#define USBDEV_EPCONDSTALL (0x00000080) + +/* USB Control register bit definitions */ + +#define LPC214X_USBCTRL_RDEN (0x00000001) +#define LPC214X_USBCTRL_WREN (0x00000002) +#define LPC214X_USBCTRL_EPMASK (0x0000003c) + +/* Endpoints *******************************************************************/ #define LPC214X_EP0_OUT 0 #define LPC214X_EP0_IN 1 @@ -195,11 +224,7 @@ #define LPC214X_EP15_IN 31 #define LPC214X_NUMEPS 32 -/* Mapping to more traditional endpoint numbers */ - -#define LPC214X_EP_LOG2PHYOUT(ep) ((ep)&0x0f)<<1)) -#define LPC214X_EP_LOG2PHYIN(ep) (LPC214X_EP_OUT(ep) + 1) -#define LPC214X_EP_LOG2PHY(ep) ((((ep)&0x0f)<<1)|(((ep)&0x80)>>7)) +/* Commands ********************************************************************/ /* USB Command Code Register -- Command phase values */ @@ -227,26 +252,64 @@ #define CMD_USB_EP_CLRBUFFER (0x00f2) #define CMD_USB_EP_VALIDATEBUFFER (0x00fa) -/* Device Status Bits */ +/* Command Data ****************************************************************/ -#define USBDEV_DEVSTATUS_CONNECT (0x00000001) /* Bit 0: Connected */ -#define USBDEV_DEVSTATUS_CONNCHG (0x00000002) /* Bit 1: Connect change */ -#define USBDEV_DEVSTATUS_SUSPEND (0x00000004) /* Bit 2: Suspend */ -#define USBDEV_DEVSTATUS_SUSPCHG (0x00000008) /* Bit 3: Suspend change */ -#define USBDEV_DEVSTATUS_RESET (0x00000002) /* Bit 4: Bus reset bit */ +/* DEV SETADDRESS command bits */ -#define USBDEV_EPSTALL (0x00000001) -#define USBDEV_EPSTALLSTATUS (0x00000002) -#define USBDEV_EPSETUPPACKET (0x00000004) -#define USBDEV_EPPOSSTATUS (0x00000010) -#define USBDEV_EPCONDSTALL (0x00000080) +#define CMD_USB_SETADDRESS_DEVEN (0x80) -/* USB Control register bit definitions */ +/* Command Responses ***********************************************************/ -#define LPC214X_USBCTRL_RDEN (0x00000001) -#define LPC214X_USBCTRL_WREN (0x00000002) +/* EP CLRBUFFER response */ + +#define CMD_USB_CLRBUFFER_PO (0x00000001) + +/* DMA *************************************************************************/ + +/* The DMA descriptor */ + +#define USB_DMADESC_NEXTDDPTR 0 /* Offset 0: Next USB descriptor in RAM */ +#define USB_DMADESC_CONFIG 1 /* Offset 1: DMA configuration info. */ +#define USB_DMADESC_STARTADDR 2 /* Offset 2: DMA start address */ +#define USB_DMADESC_STATUS 3 /* Offset 3: DMA status info (read only) */ +#define USB_DMADESC_ISOCSIZEADDR 4 /* Offset 4: Isoc. packet size address */ + +/* Bit settings for offset 1 */ + +#define USB_DMADESC_MODENORMAL (0x00000000) /* Bits 0-1=00: Mode normal */ +#define USB_DMADESC_MODEATLE (0x00000001) /* Bits 0-1=01: ATLE normal */ +#define USB_DMADESC_NEXTDDVALID (0x00000004) /* Bit 2=1: next descriptor valid */ +#define USB_DMADESC_ISCOEP (0x00000010) /* Bit 4=1: isoc endpoint */ +#define USB_DMADESC_PKTSIZEMASK (0x0000ffe0) /* Bits 5-15: packet size */ +#define USB_DMADESC_PKTSIZESHIFT (5) /* Bits 5-15: packet size */ +#define USB_DMADESC_BUFLENMASK (0xffff0000) /* Bits 16-31: buffer length */ +#define USB_DMADESC_BULENSHIFT (16) /* Bits 16-31: buffer length */ + +/* Bit settings for offset 3 (all must be initialized to zero) */ + +#define USB_DMADESC_STATUSMASK (0x0000001e) /* Bits 1-4: DMA status */ +#define USB_DMADESC_NOTSERVICED (0x00000000) +#define USB_DMADESC_BEINGSERVICED (0x00000002) +#define USB_DMADESC_NORMALCOMPLETION (0x00000004) +#define USB_DMADESC_DATAUNDERRUN (0x00000006) +#define USB_DMADESC_DATAOVERRUN (0x00000010) +#define USB_DMADESC_SYSTEMERROR (0x00000012) +#define USB_DMADESC_PKTVALID (0x00000020) /* Bit 5=1: Packet valid */ +#define USB_DMADESC_LSBEXTRACTED (0x00000040) /* Bit 6=1: LS byte extracted */ +#define USB_DMADESC_MSBEXTRACTED (0x00000080) /* Bit 7=1: MS byte extracted */ +#define USB_DMADESC_MSGLENPOSMASK (0x00003f00) /* Bits 8-13: Message length position */ +#define USB_DMADESC_MSGLENPOSSHIFT (8) /* Bits 8-13: Message length position */ +#define USB_DMADESC_DMACOUNTMASK (0xffff0000) /* Bits 16-31: DMA count */ +#define USB_DMADESC_DMACOUNTSHIFT (16) /* Bits 16-31: DMA count */ + +/* DMA packet size format */ + +#define USB_DMAPKTSIZE_PKTLENMASK (0x0000ffff) /* Bits 0-15: Packet length */ +#define USB_DMAPKTSIZE_PKTLENSHIFT (0) /* Bits 0-15: Packet length */ +#define USB_DMAPKTSIZE_PKTVALID (0x00010000) /* Bit 16=1: Packet valid */ +#define USB_DMAPKTSIZE_FRAMENOMASK (0xfffe0000) /* Bit 17-31: Frame number */ +#define USB_DMAPKTSIZE_FRAMENOSHIFT (17) /* Bit 17-31: Frame number */ -#define USBDEV_PACKETOVERWRITTEN (0x00000001) /******************************************************************************* * Private Types |