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#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
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