diff options
| author | Jamie Lenehan <lenehan@twibble.org> | 2006-07-06 14:41:19 +0000 |
|---|---|---|
| committer | OpenEmbedded Project <openembedded-devel@lists.openembedded.org> | 2006-07-06 14:41:19 +0000 |
| commit | 4777a70d6665e319ae3723b5e75f67ed0f10997d (patch) | |
| tree | d3166fa743d0506deb0825d1027c22c1e48f897e /packages/linux/linux-titan-sh4 | |
| parent | 9bfbf27d78e0edd5f639c2eaee98f5e506ce7cc6 (diff) | |
linux/linux-titan-sh4: Upgrade the titan kernel from 2.6.16 to 2.6.17 now
that the sh tree has been upgraded to 2.6.17.
Diffstat (limited to 'packages/linux/linux-titan-sh4')
| -rw-r--r-- | packages/linux/linux-titan-sh4/.mtn2git_empty | 0 | ||||
| -rw-r--r-- | packages/linux/linux-titan-sh4/titan-flash.patch | 3157 |
2 files changed, 3157 insertions, 0 deletions
diff --git a/packages/linux/linux-titan-sh4/.mtn2git_empty b/packages/linux/linux-titan-sh4/.mtn2git_empty new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/packages/linux/linux-titan-sh4/.mtn2git_empty diff --git a/packages/linux/linux-titan-sh4/titan-flash.patch b/packages/linux/linux-titan-sh4/titan-flash.patch new file mode 100644 index 0000000000..fc633f3e05 --- /dev/null +++ b/packages/linux/linux-titan-sh4/titan-flash.patch @@ -0,0 +1,3157 @@ + +Add the driver for onboard flash. +The quality of this driver means that it has not been included in the +upstream CVS. +This implements the block device translation layer to match what the +onboard firmware implements. + +diff -duNr linux-2.6.16-orig/drivers/block/Kconfig linux-2.6.16/drivers/block/Kconfig +--- linux-2.6.16-orig/drivers/block/Kconfig 2006-06-29 16:12:57.000000000 +1000 ++++ linux-2.6.16/drivers/block/Kconfig 2006-06-29 16:13:27.000000000 +1000 +@@ -190,6 +190,13 @@ + To compile this driver as a module, choose M here: the + module will be called DAC960. + ++config BLK_SSFDC ++ tristate "SmartMedia(TM) Driver (sm)" ++ depends on SH_TITAN ++ help ++ Say Y here if you want the SmartMedia chip enabled. ++ Otherwise say N. ++ + config BLK_DEV_UMEM + tristate "Micro Memory MM5415 Battery Backed RAM support (EXPERIMENTAL)" + depends on PCI && EXPERIMENTAL +diff -duNr linux-2.6.16-orig/drivers/block/Makefile linux-2.6.16/drivers/block/Makefile +--- linux-2.6.16-orig/drivers/block/Makefile 2006-06-29 16:12:57.000000000 +1000 ++++ linux-2.6.16/drivers/block/Makefile 2006-06-29 16:13:27.000000000 +1000 +@@ -21,6 +21,7 @@ + obj-$(CONFIG_BLK_CPQ_DA) += cpqarray.o + obj-$(CONFIG_BLK_CPQ_CISS_DA) += cciss.o + obj-$(CONFIG_BLK_DEV_DAC960) += DAC960.o ++obj-$(CONFIG_BLK_SSFDC) += ssfdc.o + obj-$(CONFIG_CDROM_PKTCDVD) += pktcdvd.o + + obj-$(CONFIG_BLK_DEV_UMEM) += umem.o +diff -duNr linux-2.6.16-orig/drivers/block/ssfdc.c linux-2.6.16/drivers/block/ssfdc.c +--- linux-2.6.16-orig/drivers/block/ssfdc.c 1970-01-01 10:00:00.000000000 +1000 ++++ linux-2.6.16/drivers/block/ssfdc.c 2006-06-29 16:13:50.000000000 +1000 +@@ -0,0 +1,2742 @@ ++/* $id: $ ++ssfdc.c - Solid State Flopyy Disk Card ++ ++Original source curtesy of Toshiba Corporation. ++ ++Modification for use by Linux provided by Nimble Microsystems Inc. ++ ++TODO: ++ ++Modification History: ++ ++ March 2001 - Initial port of Toshiba sources by Bill Mann ++ May 2001 - Debug of staticly linked ssfdc driver, Bill Mann ++ Nov 2001 - Reimplementation using tasklets and timers. ++ May 2002 - Partition support added. ++ Oct 2003 - Port to kernel 2.6.0 ++ Mar 2004 - Stabilization refinements... ++ ++Overview: The kernel interfaces to the device via the "block_device_operations ++ ssfdc_fops", the device's request handling function ++ "do_ssfdc_request(request_queue_t * q)", or by the ioctl interface ssfdc_ioctl(). ++ ++ do_ssfdc_request() purpose is to kickstart ssfdc_thread via a wake_up call. ssfdc_thread ++ then processes requests from the queue. ++ ++ Blocks are mapped logically. So a sector read/write results in the determination ++ of the logical block address of the block containing the desired sector and the ++ corresponding physical block being accessed. Note the use of ReadBlock, WriteBlock, ++ and PhyBlock, Log2Phy[] etc. ++ ++ This driver implements a wear leveling strategy where sector writes to the ++ SmartMedia causes the block which is the target of the write to be copied into a ++ new block, the new data written and the old block erased. This makes the driver ++ more complicated than a straightforward sector read/write. ++ ++*/ ++ ++/* Section device headers */ ++#define DEBUG_SSFDC 0 ++#define DEBUG_SSFDC_STRUCT 0 ++#define DEBUG_SSFDC_REQUEST 0 ++#define DEBUG_SSFDC_READREDT 0 ++#define DEBUG_SSFDC_WRITE 0 ++#define DEBUG_SSFDC_WRITESECT 0 ++#define DEBUG_SSFDC_WRITEBLKS 0 ++#define DEBUG_SSFDC_READ 0 ++#define DEBUG_SSFDC_ADDR 0 ++#define DEBUG_SSFDC_ASSIGNRELEASE 0 ++#define SSFDC_READINGTASKLET 0 ++/* Edition Compilation Mode */ ++ ++#include <linux/module.h> ++ ++#include <asm/delay.h> ++#include <linux/sched.h> ++#include <linux/interrupt.h> ++ ++#include <linux/fs.h> ++#include <linux/hdreg.h> ++#include <linux/file.h> ++#include <linux/stat.h> ++#include <linux/time.h> ++#include <linux/errno.h> ++#include <linux/major.h> ++#include <linux/init.h> ++#include <linux/devfs_fs_kernel.h> ++#include <asm/uaccess.h> ++#include <asm/hardirq.h> ++#include <linux/bio.h> ++#include <linux/blkdev.h> ++#include <linux/slab.h> ++#include <linux/highmem.h> ++ ++#include "ssfdc.h" ++ ++#define SSFDC_MAJOR 240 ++ ++static int static_ssfdc_debug = 0; ++ ++static DECLARE_WAIT_QUEUE_HEAD(ssfdc_wait); ++ ++static struct gendisk *disks[MAX_SSFDC]; ++static ssfdc_dev *ssfdc[MAX_SSFDC]; ++ ++static int ssfdc_open(struct inode *i_node, struct file *fptr); ++static int ssfdc_getgeo(struct block_device *bdev, struct hd_geometry *geo); ++static int ssfdc_release(struct inode *i_node, struct file *fptr); ++static int ssfdc_ioctl(struct inode *i_node, struct file *fptr, unsigned cmd, unsigned long arg); ++static int ssfdc_revalidate(struct gendisk *disk); ++void do_ssfdc_request(request_queue_t * q); ++ ++static struct block_device_operations ssfdc_fops = { ++ .owner = THIS_MODULE, ++ .open = ssfdc_open, ++ .getgeo = ssfdc_getgeo, ++ .release = ssfdc_release, ++ .ioctl = ssfdc_ioctl, ++ // bjm out .revalidate_disk = ssfdc_revalidate, ++}; ++ ++ ++/*************************************************************************** ++ BIT Control Macro ++ ***************************************************************************/ ++static char BitData[] = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80 }; ++#define SetBit(a,b) (a[(unsigned char)((b)/8)]|= BitData[(b)%8]) ++#define ClrBit(a,b) (a[(unsigned char)((b)/8)]&=~BitData[(b)%8]) ++#define ChkBit(a,b) (a[(unsigned char)((b)/8)] & BitData[(b)%8]) ++ ++/***************************************************************************/ ++static int MediaReadSector(ssfdc_dev *, struct request *, char *, long,int); ++static int MediaWriteSector(ssfdc_dev *, struct request *, char *, long,int); ++ ++/***************************************************************************/ ++static int CheckLogCHS(ssfdc_dev *,unsigned int *,unsigned char *,unsigned char *); ++static int CheckMediaWP(ssfdc_dev *); ++static int ConvMediaAddr(ssfdc_dev *,long); ++static int IncMediaAddr(ssfdc_dev *); ++static int WriteReqInCurrBlk(ssfdc_dev *, long, int *); ++/******************************************/ ++/******************************************/ ++static int AssignWriteBlock(ssfdc_dev *, int); ++/******************************************/ ++/******************************************/ ++static int SetPhyFmtValue(ssfdc_dev *); ++static int SearchCIS(ssfdc_dev *,unsigned int *); ++static int MakeLogTable(ssfdc_dev *,unsigned int); ++/******************************************/ ++static int MarkFailPhyOneBlock(ssfdc_dev *); ++ ++static void _ReadSsfdcBuf(ssfdc_dev *, unsigned char *databuf,unsigned char *redundant); ++static void _WriteSsfdcBuf(ssfdc_dev *,unsigned char *,unsigned char *); ++static void _ReadSsfdcWord(ssfdc_dev *,unsigned int *); ++static void _ReadRedtSsfdcBuf(ssfdc_dev *, unsigned char *redundant); ++static void _WriteRedtSsfdcBuf(ssfdc_dev*, unsigned char *redundant); ++ ++/***************************************************************************/ ++static void _SetSsfdcCmd(ssfdc_dev *, unsigned char); ++static void _SetSsfdcAddr(ssfdc_dev *, unsigned char); ++static void _SetSsfdcBlock(ssfdc_dev *); ++static void _SetSsfdcChip(ssfdc_dev *); ++static void _SetSsfdcStandby(ssfdc_dev *); ++static int _CheckSsfdcBusy(ssfdc_dev *, unsigned int); ++static int _CheckSsfdcStatus(ssfdc_dev *); ++static void _ResetSsfdcErr(ssfdc_dev *psm); ++static unsigned char _CheckDevCode(unsigned char); ++void SsfdcReset(ssfdc_dev *); ++void CntReset(ssfdc_dev *); ++ ++static char BitCount(unsigned char); ++static char BitCountWord(unsigned int); ++ ++static void _WaitTimer(long int); ++typedef void (*timeout_fn)(unsigned long); ++static void ssfdc_rw_request(ssfdc_dev *psm, struct request *req); ++static int ssfdc_end_request(ssfdc_dev *psm, struct request *req, int status); ++static void ssfdc_terminate_request(ssfdc_dev *psm, struct request *req); ++static struct request *ssfdc_get_request(ssfdc_dev *psm); ++ ++/* debugging utils etc. */ ++ ++#if DEBUG_SSFDC ++static void dump_ssfdc_state(ssfdc_dev * psm); ++#endif ++ ++/* end of debugging utils etc. */ ++ ++/* our tasklets */ ++/* top level R/W initiation tasklet */ ++static void initxfer(unsigned long); ++#if 0 // use thread and not a tasklet ++DECLARE_TASKLET(initxfer_tasklet0, initxfer, 0); ++#ifdef CONFIG_SH_NIMBLE_MINI ++DECLARE_TASKLET(initxfer_tasklet1, initxfer, 1); ++#endif ++#endif ++ ++/* Sector Write Tasklets, This group includes a readcopy tasklet for block copies...*/ ++ ++/* Tasklet to read a sector into a temporary buffer for later write */ ++ ++/* power is turned on, and then left on for TIMER_ON_TIMEOUT */ ++// bjm debug struct timer_list mediachange_timer; ++// bjm debug static void mediachangetest(unsigned long); ++ ++// bjm out ++// bjm out struct timer_list waiting_timer; ++static void waiting_timeout(unsigned long); ++ ++/******************************************************************************/ ++static void trans_result \ ++ (unsigned char,unsigned char,unsigned char *,unsigned char *); ++static void calculate_ecc \ ++ (unsigned char *,unsigned char *,unsigned char *,unsigned char *,unsigned char *); ++static unsigned char correct_data \ ++ (unsigned char *,unsigned char *,unsigned char,unsigned char,unsigned char); ++ ++ /* CP0-CP5 code table */ ++static unsigned char ecctable[256] = { ++ 0x00,0x55,0x56,0x03,0x59,0x0C,0x0F,0x5A,0x5A,0x0F,0x0C,0x59,0x03,0x56,0x55,0x00, ++ 0x65,0x30,0x33,0x66,0x3C,0x69,0x6A,0x3F,0x3F,0x6A,0x69,0x3C,0x66,0x33,0x30,0x65, ++ 0x66,0x33,0x30,0x65,0x3F,0x6A,0x69,0x3C,0x3C,0x69,0x6A,0x3F,0x65,0x30,0x33,0x66, ++ 0x03,0x56,0x55,0x00,0x5A,0x0F,0x0C,0x59,0x59,0x0C,0x0F,0x5A,0x00,0x55,0x56,0x03, ++ 0x69,0x3C,0x3F,0x6A,0x30,0x65,0x66,0x33,0x33,0x66,0x65,0x30,0x6A,0x3F,0x3C,0x69, ++ 0x0C,0x59,0x5A,0x0F,0x55,0x00,0x03,0x56,0x56,0x03,0x00,0x55,0x0F,0x5A,0x59,0x0C, ++ 0x0F,0x5A,0x59,0x0C,0x56,0x03,0x00,0x55,0x55,0x00,0x03,0x56,0x0C,0x59,0x5A,0x0F, ++ 0x6A,0x3F,0x3C,0x69,0x33,0x66,0x65,0x30,0x30,0x65,0x66,0x33,0x69,0x3C,0x3F,0x6A, ++ 0x6A,0x3F,0x3C,0x69,0x33,0x66,0x65,0x30,0x30,0x65,0x66,0x33,0x69,0x3C,0x3F,0x6A, ++ 0x0F,0x5A,0x59,0x0C,0x56,0x03,0x00,0x55,0x55,0x00,0x03,0x56,0x0C,0x59,0x5A,0x0F, ++ 0x0C,0x59,0x5A,0x0F,0x55,0x00,0x03,0x56,0x56,0x03,0x00,0x55,0x0F,0x5A,0x59,0x0C, ++ 0x69,0x3C,0x3F,0x6A,0x30,0x65,0x66,0x33,0x33,0x66,0x65,0x30,0x6A,0x3F,0x3C,0x69, ++ 0x03,0x56,0x55,0x00,0x5A,0x0F,0x0C,0x59,0x59,0x0C,0x0F,0x5A,0x00,0x55,0x56,0x03, ++ 0x66,0x33,0x30,0x65,0x3F,0x6A,0x69,0x3C,0x3C,0x69,0x6A,0x3F,0x65,0x30,0x33,0x66, ++ 0x65,0x30,0x33,0x66,0x3C,0x69,0x6A,0x3F,0x3F,0x6A,0x69,0x3C,0x66,0x33,0x30,0x65, ++ 0x00,0x55,0x56,0x03,0x59,0x0C,0x0F,0x5A,0x5A,0x0F,0x0C,0x59,0x03,0x56,0x55,0x00 ++}; ++ ++#define BIT7 0x80 ++#define BIT6 0x40 ++#define BIT5 0x20 ++#define BIT4 0x10 ++#define BIT3 0x08 ++#define BIT2 0x04 ++#define BIT1 0x02 ++#define BIT0 0x01 ++ ++#define BIT1BIT0 0x03 ++#define BIT23 0x00800000L ++#define MASK_CPS 0x3f ++#define CORRECTABLE 0x00555554L ++ ++/* ++ Transfer result ++ LP14,12,10,... & LP15,13,11,... -> LP15,14,13,... & LP7,6,5,.. ++*/ ++static void trans_result(reg2,reg3,ecc1,ecc2) ++unsigned char reg2; /* LP14,LP12,LP10,... */ ++unsigned char reg3; /* LP15,LP13,LP11,... */ ++unsigned char *ecc1; /* LP15,LP14,LP13,... */ ++unsigned char *ecc2; /* LP07,LP06,LP05,... */ ++{ ++ unsigned char a; /* Working for reg2,reg3 */ ++ unsigned char b; /* Working for ecc1,ecc2 */ ++ unsigned char i; /* For counting */ ++ ++ a=BIT7; b=BIT7; /* 80h=10000000b */ ++ *ecc1=*ecc2=0; /* Clear ecc1,ecc2 */ ++ for(i=0; i<4; ++i) { ++ if ((reg3&a)!=0) *ecc1|=b; /* LP15,13,11,9 -> ecc1 */ ++ b=b>>1; /* Right shift */ ++ if ((reg2&a)!=0) *ecc1|=b; /* LP14,12,10,8 -> ecc1 */ ++ b=b>>1; /* Right shift */ ++ a=a>>1; /* Right shift */ ++ } ++ b=BIT7; /* 80h=10000000b */ ++ for(i=0; i<4; ++i) { ++ if ((reg3&a)!=0) *ecc2|=b; /* LP7,5,3,1 -> ecc2 */ ++ b=b>>1; /* Right shift */ ++ if ((reg2&a)!=0) *ecc2|=b; /* LP6,4,2,0 -> ecc2 */ ++ b=b>>1; /* Right shift */ ++ a=a>>1; /* Right shift */ ++ } ++} ++ ++ ++/* ++ Calculating ECC ++ data[0-255] -> ecc1,ecc2,ecc3 using CP0-CP5 code table[0-255] ++*/ ++static void calculate_ecc(table,data,ecc1,ecc2,ecc3) ++unsigned char *table; /* CP0-CP5 code table */ ++unsigned char *data; /* DATA */ ++unsigned char *ecc1; /* LP15,LP14,LP13,... */ ++unsigned char *ecc2; /* LP07,LP06,LP05,... */ ++unsigned char *ecc3; /* CP5,CP4,CP3,...,"1","1" */ ++{ ++ unsigned int i; /* For counting */ ++ unsigned char a; /* Working for table */ ++ unsigned char reg1; /* D-all,CP5,CP4,CP3,... */ ++ unsigned char reg2; /* LP14,LP12,L10,... */ ++ unsigned char reg3; /* LP15,LP13,L11,... */ ++ ++ reg1=reg2=reg3=0; /* Clear parameter */ ++ ++ for(i=0; i<256; ++i) { ++ a=table[data[i]]; /* Get CP0-CP5 code from table */ ++ reg1^=(a&MASK_CPS); /* XOR with a */ ++ if ((a&BIT6)!=0) { /* If D_all(all bit XOR) = 1 */ ++ reg3^=(unsigned char)i; /* XOR with counter */ ++ reg2^=~((unsigned char)i); /* XOR with inv. of counter */ ++ } ++ } ++ ++ /* Trans LP14,12,10,... & LP15,13,11,... -> LP15,14,13,... & LP7,6,5,.. */ ++ trans_result(reg2,reg3,ecc1,ecc2); ++ ++ *ecc1=~(*ecc1); *ecc2=~(*ecc2); /* Inv. ecc2 & ecc3 */ ++ *ecc3=((~reg1)<<2)|BIT1BIT0; /* Make TEL format */ ++} ++ ++static unsigned char correct_data(data,eccdata,ecc1,ecc2,ecc3) ++unsigned char *data; /* DATA */ ++unsigned char *eccdata; /* ECC DATA */ ++unsigned char ecc1; /* LP15,LP14,LP13,... */ ++unsigned char ecc2; /* LP07,LP06,LP05,... */ ++unsigned char ecc3; /* CP5,CP4,CP3,...,"1","1" */ ++{ ++ unsigned long l; /* Working to check d */ ++ unsigned long d; /* Result of comparison */ ++ unsigned int i; /* For counting */ ++ unsigned char d1,d2,d3; /* Result of comparison */ ++ unsigned char a; /* Working for add */ ++ unsigned char add; /* Byte address of cor. DATA */ ++ unsigned char b; /* Working for bit */ ++ unsigned char bit; /* Bit address of cor. DATA */ ++ ++ d1=ecc1^eccdata[1]; d2=ecc2^eccdata[0]; /* Compare LP's */ ++ d3=ecc3^eccdata[2]; /* Comapre CP's */ ++ d=((unsigned long)d1<<16) /* Result of comparison */ ++ +((unsigned long)d2<<8) ++ +(unsigned long)d3; ++ ++ if (d==0) return(0); /* If No error, return */ ++ if (((d^(d>>1))&CORRECTABLE)==CORRECTABLE) { /* If correctable */ ++ l=BIT23; ++ add=0; /* Clear parameter */ ++ a=BIT7; ++ for(i=0; i<8; ++i) { /* Checking 8 bit */ ++ if ((d&l)!=0) add|=a; /* Make byte address from LP's */ ++ l>>=2; a>>=1; /* Right Shift */ ++ } ++ bit=0; /* Clear parameter */ ++ b=BIT2; ++ for(i=0; i<3; ++i) { /* Checking 3 bit */ ++ if ((d&l)!=0) bit|=b; /* Make bit address from CP's */ ++ l>>=2; b>>=1; /* Right shift */ ++ } ++ b=BIT0; ++ data[add]^=(b<<bit); /* Put corrected data */ ++ return(1); ++ } ++ i=0; /* Clear count */ ++ d&=0x00ffffffL; /* Masking */ ++ while(d) { /* If d=0 finish counting */ ++ if (d&BIT0) ++i; /* Count number of 1 bit */ ++ d>>=1; /* Right shift */ ++ } ++ if (i==1) { /* If ECC error */ ++ eccdata[1]=ecc1; eccdata[0]=ecc2; /* Put right ECC code */ ++ eccdata[2]=ecc3; ++ return(2); ++ } ++ return(3); /* Uncorrectable error */ ++} ++/*************************************************************************** ++ Common Subroutine ++ ***************************************************************************/ ++char BitCount(unsigned char cdata) ++{ ++ char bitcount=0; ++ while(cdata) { ++ bitcount+=(cdata &0x01); ++ cdata /=2; ++ } ++ return(bitcount); ++} ++ ++char BitCountWord(unsigned int cdata) ++{ ++ char bitcount=0; ++ while(cdata) { ++ bitcount+=(cdata &0x01); ++ cdata /=2; ++ } ++ return(bitcount); ++} ++ ++/***************************************************************************/ ++void StringCopy(char *stringA, char *stringB, int count) ++{ ++ int i; ++ for(i=0; i<count; i++) ++ *stringA++ = *stringB++; ++} ++ ++int StringCmp(char *stringA, char *stringB, int count) ++{ ++ int i; ++ for (i=0;i<count;i++) ++ if (*stringA++ != *stringB++) return(ERROR); ++ return(SUCCESS); ++} ++/***************************************************************************/ ++int CheckDataBlank(unsigned char *redundant) ++{ ++ char i; ++ for(i=0; i<REDTSIZE; i++) ++ if(*redundant++!=0xFF) return(ERROR); ++ return(SUCCESS); ++} ++ ++int CheckFailBlock(unsigned char *redundant) ++{ ++ redundant+=REDT_BLOCK; ++ if(*redundant==0xFF) return(SUCCESS); ++ if(! *redundant) return(ERROR); ++ if(BitCount(*redundant)<7) return(ERROR); ++ return(SUCCESS); ++} ++ ++int CheckCisBlock(unsigned char *redundant) ++{ ++ if(! (*(redundant+REDT_ADDR1H)|*(redundant+REDT_ADDR1L))) ++ return(SUCCESS); ++ if(! (*(redundant+REDT_ADDR2H)|*(redundant+REDT_ADDR2L))) ++ return(SUCCESS); ++ return(ERROR); ++} ++ ++int CheckDataStatus(unsigned char *redundant) ++{ ++ redundant+=REDT_DATA; ++ if(*redundant==0xFF) return(SUCCESS); ++ if(! *redundant) return(ERROR); ++ if(BitCount(*redundant)<5) return(ERROR); ++ return(SUCCESS); ++} ++ ++int LoadLogBlockAddr(ssfdc_dev *psm) ++{ ++ unsigned int addr1,addr2; ++ addr1=*(psm->Redundant+REDT_ADDR1H)*0x100+*(psm->Redundant+REDT_ADDR1L); ++ addr2=*(psm->Redundant+REDT_ADDR2H)*0x100+*(psm->Redundant+REDT_ADDR2L); ++ if(addr1==addr2) ++ if((addr1 &0xF000)==0x1000) ++ { psm->LogBlock=(addr1 &0x0FFF)/2; return(SUCCESS); } ++ if(BitCountWord(addr1^addr2)>1) return(ERROR); ++ if((addr1 &0xF000)==0x1000) ++ if(! (BitCountWord(addr1) &0x0001)) ++ { psm->LogBlock=(addr1 &0x0FFF)/2; return(SUCCESS); } ++ if((addr2 &0xF000)==0x1000) ++ if(! (BitCountWord(addr2) &0x0001)) ++ { psm->LogBlock=(addr2 &0x0FFF)/2; return(SUCCESS); } ++ return(ERROR); ++} ++/***************************************************************************/ ++void ClrRedundantData(unsigned char *redundant) ++{ ++ char i; ++ for(i=0; i<REDTSIZE; i++) *(redundant+i)=0xFF; ++} ++ ++/***************************************************************************/ ++void SetLogBlockAddr(ssfdc_dev *psm, unsigned char *redundant) ++{ ++ unsigned int addr; ++ *(redundant+REDT_BLOCK)=0xFF; ++ *(redundant+REDT_DATA) =0xFF; ++ addr=psm->LogBlock*2+0x1000; ++ if((BitCountWord(addr)%2)) addr++; ++ *(redundant+REDT_ADDR1H)=*(redundant+REDT_ADDR2H)=addr/0x100; ++ *(redundant+REDT_ADDR1L)=*(redundant+REDT_ADDR2L)=(unsigned char)addr; ++} ++ ++void SetFailBlock(unsigned char *redundant) ++{ ++ char i; ++ for(i=0; i<REDTSIZE; i++) ++ *redundant++=((i==REDT_BLOCK)?0xF0:0xFF); ++} ++ ++void SetDataStatus(unsigned char *redundant) ++{ ++ redundant+=REDT_DATA; ++ *redundant=0x00; ++} ++ ++ ++/*************************************************************************** ++ NAND Memory (SmartMedia) Control Subroutine ++ ***************************************************************************/ ++static void _SetSsfdcCmd(ssfdc_dev *psm, unsigned char cmd) ++{ ++ _HwSetCmd(psm); ++ _HwOutData(psm,cmd); ++ _HwSetData(psm); ++} ++ ++static void _SetSsfdcAddr(ssfdc_dev *psm, unsigned char add) ++{ ++ unsigned int addr; ++ ++#if DEBUG_SSFDC_ADDR ++ printk(KERN_DEBUG "_SetSsfdcAddr() Zone %d LogBlock %d PhyBlock %d Sector %d\n", ++ psm->Zone,psm->LogBlock,psm->PhyBlock,psm->Sector); ++#endif ++ addr=(unsigned int)psm->Zone*psm->MaxBlocks+psm->PhyBlock; ++ addr=addr*(unsigned int)psm->MaxSectors+psm->Sector; ++ if((psm->Attribute &MPS)==PS256) /* for 256byte/page */ ++ addr=addr*2+(unsigned int)add; ++/*-----------------------------------------------*/ ++ _HwSetAddr(psm); ++ _HwOutData(psm,0x00); ++ _HwOutData(psm,(unsigned char)addr); ++ _HwOutData(psm,(unsigned char)(addr/0x0100)); ++ if((psm->Attribute &MADC)==AD4CYC) ++ _HwOutData(psm,(unsigned char)(psm->Zone/2)); /* Patch */ ++ _HwSetData(psm); ++} ++ ++static void _SetSsfdcBlock(ssfdc_dev *psm) ++{ ++ unsigned int addr; ++#if DEBUG_SSFDC_ASSIGNRELEASE ++ printk(KERN_DEBUG "_SetSsfdcBlock() set card addr to PhyBlock %d\n", psm->PhyBlock); ++#endif ++ addr=(unsigned int)psm->Zone*psm->MaxBlocks+psm->PhyBlock; ++ addr=addr*(unsigned int)psm->MaxSectors; ++ if((psm->Attribute &MPS)==PS256) /* for 256byte/page */ ++ addr=addr*2; ++/*-----------------------------------------------*/ ++ _HwSetAddr(psm); ++ _HwOutData(psm,(unsigned char)addr); ++ _HwOutData(psm,(unsigned char)(addr/0x0100)); ++ if((psm->Attribute &MADC)==AD4CYC) ++ _HwOutData(psm,(unsigned char)(psm->Zone/2)); /* Patch */ ++ _HwSetData(psm); ++} ++ ++static inline void _SetSsfdcStandby(ssfdc_dev *psm) ++{ ++ _HwSetStandby(psm); ++} ++ ++static int _CheckSsfdcStatus(ssfdc_dev *psm) ++{ ++ int status; ++ if((status=_HwInData(psm)) & WR_FAIL) { ++ printk(KERN_DEBUG "_CheckSsfdcStatus() error %x\n", status); ++ return(ERROR); ++ } ++ return(SUCCESS); ++} ++ ++static void _ResetSsfdcErr(ssfdc_dev *psm) ++{ ++ _HwSetCmd(psm); ++ _HwOutData(psm,SSFDC_RST_CHIP); ++ _HwSetData(psm); ++ while(1) { ++ udelay(30); ++ if(! _HwChkBusy(psm)) break; ++ } ++ _HwSetStandby(psm); ++} ++ ++static void waiting_timeout(unsigned long psm) ++{ ++ // enable the wakeup signal! ++ wake_up(&((ssfdc_dev *)psm)->thread_wq); ++} ++ ++/* ++ _CheckSsfdcBusy() ++ ++ set a timer in jiffies from int time x .1ms ++*/ ++ ++static int _CheckSsfdcBusy(ssfdc_dev *psm, unsigned int time) ++{ ++ unsigned long incr_div = 4; ++ unsigned long incr_us = time / incr_div, ++ jticks=time/(MSEC * JIFFY_TICK_MS); ++ unsigned long tick_retried=0, wrap_flag, expires; ++ ++ if (!jticks) { ++ // small delay first to test completion ++ do { ++ udelay(incr_us); ++ if (!_HwChkBusy(psm)) ++ return(SUCCESS); ++ } while (incr_div--); ++ return(ERROR); ++ } ++ ++ // Block the wakeup signal? ++ ++one_more_time: ++ expires = jiffies + jticks; ++ wrap_flag = ( expires < jiffies); ++ ++ do { ++ wait_event_interruptible_timeout(psm->thread_wq, 0, jticks); ++ if (!_HwChkBusy(psm)) { ++ return(SUCCESS); ++ } ++ } while (wrap_flag ? expires <= jiffies : expires >= jiffies); ++ ++#if 1 ++ // Is the chip not busy? If so its an ERROR ++ if (!_HwChkBusy(psm)) { ++ return(SUCCESS); ++ } ++ else { ++ // if we came back, give us one more tick/time ++ if (! tick_retried ) { ++ tick_retried = 1; ++ jticks = 0; ++ printk("."); ++ goto one_more_time; ++ } ++ return(ERROR); ++ } ++#endif ++} ++ ++static void _SetSsfdcChip(ssfdc_dev *psm) ++{ ++ _HwSetAddr(psm); ++ _HwOutData(psm,0x00); ++ _HwSetData(psm); ++} ++/*************************************************************************** ++ NAND Memory (SmartMedia) Buffer Data Xfer Subroutine ++ ***************************************************************************/ ++static void _ReadSsfdcBuf(ssfdc_dev *psm,unsigned char *databuf,unsigned char *redundant) ++{ ++ int i; ++ for(i=0x00;i<(((psm->Attribute &MPS)==PS256)?0x100:0x200);i++) ++ *databuf++ =_HwInData(psm); ++ for(i=0x00;i<(((psm->Attribute &MPS)==PS256)?0x08:0x10);i++) ++ *redundant++ =_HwInData(psm); ++} ++ ++static void _WriteSsfdcBuf(ssfdc_dev *psm, unsigned char *databuf,unsigned char *redundant) ++{ ++ int i; ++ for(i=0x00;i<(((psm->Attribute &MPS)==PS256)?0x100:0x200);i++) ++ _HwOutData(psm,*databuf++); ++ for(i=0x00;i<(((psm->Attribute &MPS)==PS256)?0x08:0x10);i++) ++ _HwOutData(psm,*redundant++); ++} ++ ++static void _ReadSsfdcWord(ssfdc_dev *psm, unsigned int *pdata) ++{ ++ *pdata =_HwInData(psm)*0x100; ++ *pdata|=(unsigned char)_HwInData(psm); ++} ++ ++static void _ReadRedtSsfdcBuf(ssfdc_dev *psm,unsigned char *redundant) ++{ ++ int i; ++ for(i=0x00;i<(((psm->Attribute &MPS)==PS256)?0x08:0x10);i++) ++ redundant[i] =_HwInData(psm); ++} ++ ++static void _WriteRedtSsfdcBuf(ssfdc_dev *psm, unsigned char *redundant) ++{ ++ char i; ++ for(i=0x00;i<(((psm->Attribute &MPS)==PS256)?0x08:0x10);i++) ++ _HwOutData(psm,*redundant++); ++} ++ ++/*************************************************************************** ++ Timer Control Subroutine ++ ***************************************************************************/ ++#define SHORT_DELAY 1 ++ ++ ++ ++ ++void _GetDateTime(char *date) ++{ ++} ++ ++/* ++_WaitTimer(long time) time is in ticks. ++*/ ++ ++static inline void _WaitTimer(long time) ++{ ++} ++ ++/*************************************************************************** ++ SmartMedia Function Command Subroutine ++ ***************************************************************************/ ++void SsfdcReset(ssfdc_dev *psm) ++{ ++ _SetSsfdcCmd(psm, SSFDC_RST_CHIP); ++ _CheckSsfdcBusy(psm,BUSY_RESET); ++ _SetSsfdcCmd(psm,SSFDC_READ); ++ _CheckSsfdcBusy(psm,BUSY_READ); ++ _SetSsfdcStandby(psm); ++} ++ ++void SsfdcWriteRedtMode(ssfdc_dev *psm) ++{ ++ _SetSsfdcCmd(psm,SSFDC_RST_CHIP); ++ _CheckSsfdcBusy(psm,BUSY_RESET); ++ _SetSsfdcCmd(psm,SSFDC_READ_REDT); ++ _CheckSsfdcBusy(psm,BUSY_READ); ++ _SetSsfdcStandby(psm); ++} ++ ++void SsfdcReadID(ssfdc_dev *psm, unsigned int *pid) ++{ ++ _SetSsfdcCmd(psm,SSFDC_READ_ID); ++ _SetSsfdcChip(psm); ++ _ReadSsfdcWord(psm,pid); ++ _SetSsfdcStandby(psm); ++} ++ ++int SsfdcCheckStatus(ssfdc_dev *psm) ++{ ++ _SetSsfdcCmd(psm,SSFDC_RDSTATUS); ++ if(_CheckSsfdcStatus(psm)) ++ { _SetSsfdcStandby(psm); return(ERROR); } ++ _SetSsfdcStandby(psm); ++ return(SUCCESS); ++} ++ ++int SsfdcReadSect(ssfdc_dev *psm, unsigned char *buf,unsigned char *redundant) ++{ ++#if DEBUG_SSFDC_READ ++ printk(KERN_DEBUG "SsfdcReadSect() - Zone %d LogBlock %d, PhyBlock %d, Sector %d\n", ++ psm->Zone, psm->LogBlock, psm->PhyBlock, psm->Sector); ++#endif ++ _SetSsfdcCmd(psm,SSFDC_READ); ++ _SetSsfdcAddr(psm, EVEN); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); return(ERROR); } ++ _ReadSsfdcBuf(psm,buf,redundant); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); return(ERROR); } ++ if((psm->Attribute &MPS)==PS256) { ++ _SetSsfdcCmd(psm,SSFDC_READ); ++ _SetSsfdcAddr(psm, ODD); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); return(ERROR); } ++ _ReadSsfdcBuf(psm,buf+0x100,redundant+0x08); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); return(ERROR); } ++ } ++ _SetSsfdcStandby(psm); ++ return(SUCCESS); ++} ++ ++int SsfdcWriteSect(ssfdc_dev *psm, unsigned char *buf, unsigned char *redundant) ++{ ++#if DEBUG_SSFDC_WRITESECT ++ printk(KERN_DEBUG "SsfdcWriteSect() - Zone %d LogBlock %d, PhyBlock %d, Sector %d\n", \ ++ psm->Zone, psm->LogBlock, psm->PhyBlock, psm->Sector); ++#endif ++ _SetSsfdcCmd(psm,SSFDC_WRDATA); ++ _SetSsfdcAddr(psm,EVEN); ++ _WriteSsfdcBuf(psm,buf,redundant); ++ _SetSsfdcCmd(psm,SSFDC_WRITE); ++ if(_CheckSsfdcBusy(psm,BUSY_PROG)) ++ { _ResetSsfdcErr(psm); ++#if DEBUG_SSFDC_WRITESECT ++ printk(KERN_DEBUG "SsfdcWriteSect() e 1\n"); ++#endif ++ return(ERROR); } ++ if((psm->Attribute &MPS)==PS256) { ++ _SetSsfdcCmd(psm,SSFDC_RDSTATUS); ++ if(_CheckSsfdcStatus(psm)) ++ { _SetSsfdcStandby(psm); return(SUCCESS); } ++ _SetSsfdcCmd(psm,SSFDC_WRDATA); ++ _SetSsfdcAddr(psm,ODD); ++ _WriteSsfdcBuf(psm,buf+0x100,redundant+0x08); ++ _SetSsfdcCmd(psm,SSFDC_WRITE); ++ if(_CheckSsfdcBusy(psm,BUSY_PROG)) ++ { _ResetSsfdcErr(psm); ++#if DEBUG_SSFDC_WRITESECT ++ printk(KERN_DEBUG "SsfdcWriteSect() e 2\n"); ++#endif ++ return(ERROR); } ++ } ++ _SetSsfdcStandby(psm); ++ return(SUCCESS); ++} ++ ++int SsfdcEraseBlock(ssfdc_dev *psm) ++{ ++ _SetSsfdcCmd(psm,SSFDC_ERASE1); ++ _SetSsfdcBlock(psm); ++ _SetSsfdcCmd(psm,SSFDC_ERASE2); ++ if(_CheckSsfdcBusy(psm,BUSY_ERASE) || SsfdcCheckStatus(psm)) { ++ _ResetSsfdcErr(psm); ++ return(ERROR); ++ } ++ _SetSsfdcStandby(psm); ++ return(SUCCESS); ++} ++ ++int SsfdcReadRedtData(ssfdc_dev *psm, unsigned char *redundant) ++{ ++#if DEBUG_SSFDC_READREDT ++ printk(KERN_DEBUG " +"); ++#endif ++ _SetSsfdcCmd(psm,SSFDC_READ_REDT); ++ _SetSsfdcAddr(psm,EVEN); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); ++#if DEBUG_SSFDC_READREDT ++ printk(KERN_DEBUG " e 1\n"); ++#endif ++ return(ERROR); } ++ _ReadRedtSsfdcBuf(psm, redundant); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); ++#if DEBUG_SSFDC_READREDT ++ printk(KERN_DEBUG " e 2\n"); ++#endif ++ return(ERROR); } ++ if((psm->Attribute &MPS)==PS256) { ++ _SetSsfdcCmd(psm,SSFDC_READ_REDT); ++ _SetSsfdcAddr(psm,ODD); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); ++#if DEBUG_SSFDC_READREDT ++ printk(KERN_DEBUG " e 3\n"); ++#endif ++ ++ return(ERROR); } ++ _ReadRedtSsfdcBuf(psm, redundant+0x08); ++ if(_CheckSsfdcBusy(psm,BUSY_READ)) ++ { _ResetSsfdcErr(psm); ++#if DEBUG_SSFDC_READREDT ++ printk(KERN_DEBUG " e 4\n"); ++#endif ++ return(ERROR); } ++ } ++ _SetSsfdcStandby(psm); ++#if DEBUG_SSFDC_READREDT ++ printk(KERN_DEBUG " -\n"); ++#endif ++ return(SUCCESS); ++} ++ ++int SsfdcWriteRedtData(ssfdc_dev *psm, unsigned char *redundant) ++{ ++ _SetSsfdcCmd(psm,SSFDC_WRDATA); ++ _SetSsfdcAddr(psm,EVEN); ++ _WriteRedtSsfdcBuf(psm,redundant); ++ _SetSsfdcCmd(psm,SSFDC_WRITE); ++ if(_CheckSsfdcBusy(psm,BUSY_PROG)) ++ { _ResetSsfdcErr(psm); return(ERROR); } ++ if((psm->Attribute &MPS)==PS256) { ++ _SetSsfdcCmd(psm,SSFDC_RDSTATUS); ++ if(_CheckSsfdcStatus(psm)) ++ { _SetSsfdcStandby(psm); return(SUCCESS); } ++ _SetSsfdcCmd(psm,SSFDC_WRDATA); ++ _SetSsfdcAddr(psm,ODD); ++ _WriteRedtSsfdcBuf(psm,redundant+0x08); ++ _SetSsfdcCmd(psm,SSFDC_WRITE); ++ if(_CheckSsfdcBusy(psm,BUSY_PROG)) ++ { _ResetSsfdcErr(psm); return(ERROR); } ++ } ++ _SetSsfdcStandby(psm); ++ return(SUCCESS); ++} ++ ++/*************************************************************************** ++ SmartMedia ID Code Check & Mode Set Subroutine ++ ***************************************************************************/ ++int SetSsfdcModel(ssfdc_dev *psm, unsigned char dcode) ++{ ++ switch(_CheckDevCode(dcode)) { ++ case SSFDC1MB: ++ psm->Model = SSFDC1MB; ++ psm->Attribute = FLASH | AD3CYC | BS16 | PS256; ++ psm->MaxZones = 1; ++ psm->MaxBlocks = 256; ++ psm->MaxLogBlocks = 250; ++ psm->MaxSectors = 8; ++ break; ++ case SSFDC2MB: ++ psm->Model = SSFDC2MB; ++ psm->Attribute = FLASH | AD3CYC | BS16 | PS256; ++ psm->MaxZones = 1; ++ psm->MaxBlocks = 512; ++ psm->MaxLogBlocks = 500; ++ psm->MaxSectors = 8; ++ break; ++ case SSFDC4MB: ++ psm->Model = SSFDC4MB; ++ psm->Attribute = FLASH | AD3CYC | BS16 | PS512; ++ psm->MaxZones = 1; ++ psm->MaxBlocks = 512; ++ psm->MaxLogBlocks = 500; ++ psm->MaxSectors = 16; ++ break; ++ case SSFDC8MB: ++ psm->Model = SSFDC8MB; ++ psm->Attribute = FLASH | AD3CYC | BS16 | PS512; ++ psm->MaxZones = 1; ++ psm->MaxBlocks = 1024; ++ psm->MaxLogBlocks = 1000; ++ psm->MaxSectors = 16; ++ break; ++ case SSFDC16MB: ++ psm->Model = SSFDC16MB; ++ psm->Attribute = FLASH | AD3CYC | BS32 | PS512; ++ psm->MaxZones = 1; ++ psm->MaxBlocks = 1024; ++ psm->MaxLogBlocks = 1000; ++ psm->MaxSectors = 32; ++ break; ++ case SSFDC32MB: ++ psm->Model = SSFDC32MB; ++ psm->Attribute = FLASH | AD3CYC | BS32 | PS512; ++ psm->MaxZones = 2; ++ psm->MaxBlocks = 1024; ++ psm->MaxLogBlocks = 1000; ++ psm->MaxSectors = 32; ++ break; ++ case SSFDC64MB: ++ psm->Model = SSFDC64MB; |
