#ifndef _AMAZON_MEI_H #define _AMAZON_MEI_H ///////////////////////////////////////////////////////////////////////////////////////////////////////////// #include "amazon_mei_app.h" #define AMAZON_MEI_DEBUG_ON #define AMAZON_MEI_CMV_EXTRA #define AMAZON_MEI_MAJOR 106 /* ** Define where in ME Processor's memory map the Stratify chip lives */ #define MEI_SPACE_ACCESS 0xB0100C00 #define MAXSWAPSIZE 8 * 1024 //8k *(32bits) //#define AMAZON_ADSL_IMAGESIZE 16*1024 // 16k * (32bits) // Mailboxes #define MSG_LENGTH 16 // x16 bits #define YES_REPLY 1 #define NO_REPLY 0 #define CMV_TIMEOUT 100 //jiffies #define MIB_INTERVAL 10000 //msec /*** Bit definitions ***/ #define FALSE 0 #define TRUE 1 #define BIT0 1<<0 #define BIT1 1<<1 #define BIT2 1<<2 #define BIT3 1<<3 #define BIT4 1<<4 #define BIT5 1<<5 #define BIT6 1<<6 #define BIT7 1<<7 #define BIT8 1<<8 #define BIT9 1<<9 #define BIT10 1<<10 #define BIT11 1<<11 #define BIT12 1<<12 #define BIT13 1<<13 #define BIT14 1<<14 #define BIT15 1<<15 #define BIT16 1<<16 #define BIT17 1<<17 #define BIT18 1<<18 #define BIT19 1<<19 #define BIT20 1<<20 #define BIT21 1<<21 #define BIT22 1<<22 #define BIT23 1<<23 #define BIT24 1<<24 #define BIT25 1<<25 #define BIT26 1<<26 #define BIT27 1<<27 #define BIT28 1<<28 #define BIT29 1<<29 #define BIT30 1<<30 #define BIT31 1<<31 /*** Register address offsets, relative to MEI_SPACE_ADDRESS ***/ #define MEI_DATA_XFR (0x0000 + MEI_SPACE_ACCESS) #define MEI_VERSION (0x0200 + MEI_SPACE_ACCESS) #define ARC_GP_STAT (0x0204 + MEI_SPACE_ACCESS) #define MEI_XFR_ADDR (0x020C + MEI_SPACE_ACCESS) #define MEI_TO_ARC_INT (0x021C + MEI_SPACE_ACCESS) #define ARC_TO_MEI_INT (0x0220 + MEI_SPACE_ACCESS) #define ARC_TO_MEI_INT_MASK (0x0224 + MEI_SPACE_ACCESS) #define MEI_DEBUG_WAD (0x0228 + MEI_SPACE_ACCESS) #define MEI_DEBUG_RAD (0x022C + MEI_SPACE_ACCESS) #define MEI_DEBUG_DATA (0x0230 + MEI_SPACE_ACCESS) #define MEI_DEBUG_DEC (0x0234 + MEI_SPACE_ACCESS) #define MEI_CONTROL (0x0238 + MEI_SPACE_ACCESS) #define AT_CELLRDY_BC0 (0x023C + MEI_SPACE_ACCESS) #define AT_CELLRDY_BC1 (0x0240 + MEI_SPACE_ACCESS) #define AR_CELLRDY_BC0 (0x0244 + MEI_SPACE_ACCESS) #define AR_CELLRDY_BC1 (0x0248 + MEI_SPACE_ACCESS) #define AAI_ACCESS (0x024C + MEI_SPACE_ACCESS) #define AAITXCB0 (0x0300 + MEI_SPACE_ACCESS) #define AAITXCB1 (0x0304 + MEI_SPACE_ACCESS) #define AAIRXCB0 (0x0308 + MEI_SPACE_ACCESS) #define AAIRXCB1 (0x030C + MEI_SPACE_ACCESS) // MEI_TO_ARC_INTERRUPT Register definitions #define MEI_TO_ARC_INT1 BIT3 #define MEI_TO_ARC_INT0 BIT2 #define MEI_TO_ARC_CS_DONE BIT1 #define MEI_TO_ARC_MSGAV BIT0 // ARC_TO_MEI_INTERRUPT Register definitions #define ARC_TO_MEI_INT1 BIT8 #define ARC_TO_MEI_INT0 BIT7 #define ARC_TO_MEI_CS_REQ BIT6 #define ARC_TO_MEI_DBG_DONE BIT5 #define ARC_TO_MEI_MSGACK BIT4 #define ARC_TO_MEI_NO_ACCESS BIT3 #define ARC_TO_MEI_CHECK_AAITX BIT2 #define ARC_TO_MEI_CHECK_AAIRX BIT1 #define ARC_TO_MEI_MSGAV BIT0 // ARC_TO_MEI_INTERRUPT_MASK Register definitions #define GP_INT1_EN BIT8 #define GP_INT0_EN BIT7 #define CS_REQ_EN BIT6 #define DBG_DONE_EN BIT5 #define MSGACK_EN BIT4 #define NO_ACC_EN BIT3 #define AAITX_EN BIT2 #define AAIRX_EN BIT1 #define MSGAV_EN BIT0 // MEI_CONTROL Register definitions #define INT_LEVEL BIT2 #define SOFT_RESET BIT1 #define HOST_MSTR BIT0 // MEI_DEBUG_DECODE Register definitions #define MEI_DEBUG_DEC_MASK (0x3) #define MEI_DEBUG_DEC_AUX_MASK (0x0) #define MEI_DEBUG_DEC_DMP1_MASK (0x1) #define MEI_DEBUG_DEC_DMP2_MASK (0x2) #define MEI_DEBUG_DEC_CORE_MASK (0x3) // ARC_TO_MEI_MAILBOX[11] is a special location used to indicate // page swap requests. #define MEI_TO_ARC_MAILBOX (0x15FC0) #define MEI_TO_ARC_MAILBOXR (0x15FEC) #define ARC_TO_MEI_MAILBOX (0x15F90) #define ARC_MEI_MAILBOXR (0x15FBC) // Codeswap request messages are indicated by setting BIT31 #define OMB_CODESWAP_MESSAGE_MSG_TYPE_MASK (0x80000000) /* ** Swap page header */ // Page must be loaded at boot time if size field has BIT31 set #define BOOT_FLAG (BIT31) #define BOOT_FLAG_MASK ~BOOT_FLAG // Swap page header describes size in 32-bit words, load location, and image offset // for program and/or data segments typedef struct _arc_swp_page_hdr { u32 p_offset; // Offset bytes of progseg from beginning of image u32 p_dest; // Destination addr of progseg on processor u32 p_size; // Size in 32-bitwords of program segment u32 d_offset; // Offset bytes of dataseg from beginning of image u32 d_dest; // Destination addr of dataseg on processor u32 d_size; // Size in 32-bitwords of data segment }ARC_SWP_PAGE_HDR; /* ** Swap image header */ #define GET_PROG 0 // Flag used for program mem segment #define GET_DATA 1 // Flag used for data mem segment // Image header contains size of image, checksum for image, and count of // page headers. Following that are 'count' page headers followed by // the code and/or data segments to be loaded typedef struct _arc_img_hdr { u32 size; // Size of binary image in bytes u32 checksum; // Checksum for image u32 count; // Count of swp pages in image ARC_SWP_PAGE_HDR page[1]; // Should be "count" pages - '1' to make compiler happy }ARC_IMG_HDR; /* ** Native size for the Stratiphy interface is 32-bits. All reads and writes ** MUST be aligned on 32-bit boundaries. Trickery must be invoked to read word and/or ** byte data. Read routines are provided. Write routines are probably a bad idea, as the ** Arc has unrestrained, unseen access to the same memory, so a read-modify-write cycle ** could very well have unintended results. */ MEI_ERROR meiCMV(u16 *, int); // first arg is CMV to ARC, second to indicate whether need reply void meiLongwordWrite(u32 ul_address, u32 ul_data); void meiLongwordRead(u32 ul_address, u32 *pul_data); MEI_ERROR meiDMAWrite(u32 destaddr, u32 *databuff, u32 databuffsize); MEI_ERROR meiDebugWrite(u32 destaddr, u32 *databuff, u32 databuffsize); MEI_ERROR meiDMARead(u32 srcaddr, u32 *databuff, u32 databuffsize); MEI_ERROR meiDebugRead(u32 srcaddr, u32 *databuff, u32 databuffsize); void meiPollForDbgDone(void); void meiMailboxInterruptsDisable(void); void meiMailboxInterruptsEnable(void); MEI_ERROR meiMailboxWrite(u16 *msgsrcbuffer, u16 msgsize); MEI_ERROR meiMailboxRead(u16 *msgdestbuffer, u16 msgsize); int meiGetPage( u32 Page, u32 data, u32 MaxSize, u32 *Buffer, u32 *Dest); MEI_ERROR meiHaltArc(void); MEI_ERROR meiRunArc(void); MEI_ERROR meiDownloadBootCode(void); MEI_ERROR meiForceRebootAdslModem(void); void makeCMV(u8 opcode, u8 group, u16 address, u16 index, int size, u16 * data); #endif