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Diffstat (limited to 'common/cmd_fdc.c')
-rw-r--r--common/cmd_fdc.c117
1 files changed, 56 insertions, 61 deletions
diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c
index 66e0ef0..dfa3690 100644
--- a/common/cmd_fdc.c
+++ b/common/cmd_fdc.c
@@ -39,13 +39,6 @@
#define PRINTF(fmt,args...)
#endif
-#ifndef TRUE
-#define TRUE 1
-#endif
-#ifndef FALSE
-#define FALSE 0
-#endif
-
/*#if defined(CONFIG_CMD_DATE) */
/*#include <rtc.h> */
/*#endif */
@@ -214,9 +207,9 @@ int wait_for_fdc_int(void)
timeout--;
udelay(10);
if(timeout==0) /* timeout occured */
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}
/* reads a byte from the FIFO of the FDC and checks direction and RQM bit
@@ -244,7 +237,7 @@ int fdc_need_more_output(void)
c=(unsigned char)read_fdc_byte();
printf("Error: more output: %x\n",c);
}
- return TRUE;
+ return true;
}
@@ -260,10 +253,10 @@ int write_fdc_byte(unsigned char val)
udelay(10);
fdc_need_more_output();
if(timeout==0) /* timeout occured */
- return FALSE;
+ return false;
}
write_fdc_reg(FDC_FIFO,val);
- return TRUE;
+ return true;
}
/* sets up all FDC commands and issues it to the FDC. If
@@ -344,9 +337,9 @@ int fdc_issue_cmd(FDC_COMMAND_STRUCT *pCMD,FD_GEO_STRUCT *pFG)
}
for(i=0;i<pCMD->cmdlen;i++) {
/* PRINTF("write cmd%d = 0x%02X\n",i,pCMD->cmd[i]); */
- if(write_fdc_byte(pCMD->cmd[i])==FALSE) {
+ if (write_fdc_byte(pCMD->cmd[i]) == false) {
PRINTF("Error: timeout while issue cmd%d\n",i);
- return FALSE;
+ return false;
}
}
timeout=FDC_TIME_OUT;
@@ -355,12 +348,12 @@ int fdc_issue_cmd(FDC_COMMAND_STRUCT *pCMD,FD_GEO_STRUCT *pFG)
timeout--;
if(timeout==0) {
PRINTF(" timeout while reading result%d MSR=0x%02X\n",i,read_fdc_reg(FDC_MSR));
- return FALSE;
+ return false;
}
}
pCMD->result[i]=(unsigned char)read_fdc_byte();
}
- return TRUE;
+ return true;
}
/* selects the drive assigned in the cmd structur and
@@ -391,9 +384,10 @@ void stop_fdc_drive(FDC_COMMAND_STRUCT *pCMD)
int fdc_recalibrate(FDC_COMMAND_STRUCT *pCMD,FD_GEO_STRUCT *pFG)
{
pCMD->cmd[COMMAND]=FDC_CMD_RECALIBRATE;
- if(fdc_issue_cmd(pCMD,pFG)==FALSE)
- return FALSE;
- while(wait_for_fdc_int()!=TRUE);
+ if (fdc_issue_cmd(pCMD, pFG) == false)
+ return false;
+ while (wait_for_fdc_int() != true);
+
pCMD->cmd[COMMAND]=FDC_CMD_SENSE_INT;
return(fdc_issue_cmd(pCMD,pFG));
}
@@ -403,9 +397,10 @@ int fdc_recalibrate(FDC_COMMAND_STRUCT *pCMD,FD_GEO_STRUCT *pFG)
int fdc_seek(FDC_COMMAND_STRUCT *pCMD,FD_GEO_STRUCT *pFG)
{
pCMD->cmd[COMMAND]=FDC_CMD_SEEK;
- if(fdc_issue_cmd(pCMD,pFG)==FALSE)
- return FALSE;
- while(wait_for_fdc_int()!=TRUE);
+ if (fdc_issue_cmd(pCMD, pFG) == false)
+ return false;
+ while (wait_for_fdc_int() != true);
+
pCMD->cmd[COMMAND]=FDC_CMD_SENSE_INT;
return(fdc_issue_cmd(pCMD,pFG));
}
@@ -421,7 +416,7 @@ int fdc_terminate(FDC_COMMAND_STRUCT *pCMD)
for(i=0;i<7;i++) {
pCMD->result[i]=(unsigned char)read_fdc_byte();
}
- return TRUE;
+ return true;
}
/* reads data from FDC, seek commands are issued automatic */
@@ -440,18 +435,18 @@ int fdc_read_data(unsigned char *buffer, unsigned long blocks,FDC_COMMAND_STRUCT
retriesrw=0;
retriescal=0;
offset=0;
- if(fdc_seek(pCMD,pFG)==FALSE) {
+ if (fdc_seek(pCMD, pFG) == false) {
stop_fdc_drive(pCMD);
if (flags)
enable_interrupts();
- return FALSE;
+ return false;
}
if((pCMD->result[STATUS_0]&0x20)!=0x20) {
printf("Seek error Status: %02X\n",pCMD->result[STATUS_0]);
stop_fdc_drive(pCMD);
if (flags)
enable_interrupts();
- return FALSE;
+ return false;
}
/* now determine the next seek point */
/* lastblk=pCMD->blnr + blocks; */
@@ -466,11 +461,11 @@ int fdc_read_data(unsigned char *buffer, unsigned long blocks,FDC_COMMAND_STRUCT
retryrw:
len=sect_size * readblk;
pCMD->cmd[COMMAND]=FDC_CMD_READ;
- if(fdc_issue_cmd(pCMD,pFG)==FALSE) {
+ if (fdc_issue_cmd(pCMD, pFG) == false) {
stop_fdc_drive(pCMD);
if (flags)
enable_interrupts();
- return FALSE;
+ return false;
}
for (i=0;i<len;i++) {
timeout=FDC_TIME_OUT;
@@ -492,15 +487,15 @@ retryrw:
stop_fdc_drive(pCMD);
if (flags)
enable_interrupts();
- return FALSE;
+ return false;
}
else {
PRINTF(" trying to recalibrate Try %d\n",retriescal);
- if(fdc_recalibrate(pCMD,pFG)==FALSE) {
+ if (fdc_recalibrate(pCMD, pFG) == false) {
stop_fdc_drive(pCMD);
if (flags)
enable_interrupts();
- return FALSE;
+ return false;
}
retriesrw=0;
goto retrycal;
@@ -512,7 +507,7 @@ retryrw:
} /* else >FDC_RW_RETRIES */
}/* if output */
timeout--;
- }while(TRUE);
+ } while (true);
} /* for len */
/* the last sector of a track or all data has been read,
* we need to get the results */
@@ -530,22 +525,22 @@ retryrw:
readblk=blocks;
retrycal:
/* a seek is necessary */
- if(fdc_seek(pCMD,pFG)==FALSE) {
+ if (fdc_seek(pCMD, pFG) == false) {
stop_fdc_drive(pCMD);
if (flags)
enable_interrupts();
- return FALSE;
+ return false;
}
if((pCMD->result[STATUS_0]&0x20)!=0x20) {
PRINTF("Seek error Status: %02X\n",pCMD->result[STATUS_0]);
stop_fdc_drive(pCMD);
- return FALSE;
+ return false;
}
- }while(TRUE); /* start over */
+ } while (true); /* start over */
stop_fdc_drive(pCMD); /* switch off drive */
if (flags)
enable_interrupts();
- return TRUE;
+ return true;
}
/* Scan all drives and check if drive is present and disk is inserted */
@@ -559,20 +554,20 @@ int fdc_check_drive(FDC_COMMAND_STRUCT *pCMD, FD_GEO_STRUCT *pFG)
pCMD->drive=drives;
select_fdc_drive(pCMD);
pCMD->blnr=0; /* set to the 1st block */
- if(fdc_recalibrate(pCMD,pFG)==FALSE)
+ if (fdc_recalibrate(pCMD, pFG) == false)
continue;
if((pCMD->result[STATUS_0]&0x10)==0x10)
continue;
/* ok drive connected check for disk */
state|=(1<<drives);
pCMD->blnr=pFG->size; /* set to the last block */
- if(fdc_seek(pCMD,pFG)==FALSE)
+ if (fdc_seek(pCMD, pFG) == false)
continue;
pCMD->blnr=0; /* set to the 1st block */
- if(fdc_recalibrate(pCMD,pFG)==FALSE)
+ if (fdc_recalibrate(pCMD, pFG) == false)
continue;
pCMD->cmd[COMMAND]=FDC_CMD_READ_ID;
- if(fdc_issue_cmd(pCMD,pFG)==FALSE)
+ if (fdc_issue_cmd(pCMD, pFG) == false)
continue;
state|=(0x10<<drives);
}
@@ -584,7 +579,7 @@ int fdc_check_drive(FDC_COMMAND_STRUCT *pCMD, FD_GEO_STRUCT *pFG)
((state&(0x10<<i))==(0x10<<i)) ? pFG->name : "");
}
pCMD->flags=state;
- return TRUE;
+ return true;
}
@@ -611,9 +606,9 @@ int fdc_setup(int drive, FDC_COMMAND_STRUCT *pCMD, FD_GEO_STRUCT *pFG)
write_fdc_reg(FDC_CCR,pFG->rate);
/* then initialize the DSR */
write_fdc_reg(FDC_DSR,pFG->rate);
- if(wait_for_fdc_int()==FALSE) {
+ if (wait_for_fdc_int() == false) {
PRINTF("Time Out after writing CCR\n");
- return FALSE;
+ return false;
}
/* now issue sense Interrupt and status command
* assuming only one drive present (drive 0) */
@@ -621,7 +616,7 @@ int fdc_setup(int drive, FDC_COMMAND_STRUCT *pCMD, FD_GEO_STRUCT *pFG)
for(i=0;i<4;i++) {
/* issue sense interrupt for all 4 possible drives */
pCMD->cmd[COMMAND]=FDC_CMD_SENSE_INT;
- if(fdc_issue_cmd(pCMD,pFG)==FALSE) {
+ if (fdc_issue_cmd(pCMD, pFG) == false) {
PRINTF("Sense Interrupt for drive %d failed\n",i);
}
}
@@ -629,24 +624,24 @@ int fdc_setup(int drive, FDC_COMMAND_STRUCT *pCMD, FD_GEO_STRUCT *pFG)
pCMD->drive=drive;
select_fdc_drive(pCMD);
pCMD->cmd[COMMAND]=FDC_CMD_CONFIGURE;
- if(fdc_issue_cmd(pCMD,pFG)==FALSE) {
+ if (fdc_issue_cmd(pCMD, pFG) == false) {
PRINTF(" configure timeout\n");
stop_fdc_drive(pCMD);
- return FALSE;
+ return false;
}
/* issue specify command */
pCMD->cmd[COMMAND]=FDC_CMD_SPECIFY;
- if(fdc_issue_cmd(pCMD,pFG)==FALSE) {
+ if (fdc_issue_cmd(pCMD, pFG) == false) {
PRINTF(" specify timeout\n");
stop_fdc_drive(pCMD);
- return FALSE;
+ return false;
}
/* then, we clear the reset in the DOR */
/* fdc_check_drive(pCMD,pFG); */
/* write_fdc_reg(FDC_DOR,0x04); */
- return TRUE;
+ return true;
}
#if defined(CONFIG_CMD_FDOS)
@@ -664,30 +659,30 @@ int fdc_fdos_init (int drive)
FDC_COMMAND_STRUCT *pCMD = &cmd;
/* setup FDC and scan for drives */
- if(fdc_setup(drive,pCMD,pFG)==FALSE) {
+ if (fdc_setup(drive, pCMD, pFG) == false) {
printf("\n** Error in setup FDC **\n");
- return FALSE;
+ return false;
}
- if(fdc_check_drive(pCMD,pFG)==FALSE) {
+ if (fdc_check_drive(pCMD, pFG) == false) {
printf("\n** Error in check_drives **\n");
- return FALSE;
+ return false;
}
if((pCMD->flags&(1<<drive))==0) {
/* drive not available */
printf("\n** Drive %d not available **\n",drive);
- return FALSE;
+ return false;
}
if((pCMD->flags&(0x10<<drive))==0) {
/* no disk inserted */
printf("\n** No disk inserted in drive %d **\n",drive);
- return FALSE;
+ return false;
}
/* ok, we have a valid source */
pCMD->drive=drive;
/* read first block */
pCMD->blnr=0;
- return TRUE;
+ return true;
}
/**************************************************************************
* int fdc_fdos_seek
@@ -747,11 +742,11 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
return CMD_RET_USAGE;
}
/* setup FDC and scan for drives */
- if(fdc_setup(boot_drive,pCMD,pFG)==FALSE) {
+ if (fdc_setup(boot_drive, pCMD, pFG) == false) {
printf("\n** Error in setup FDC **\n");
return 1;
}
- if(fdc_check_drive(pCMD,pFG)==FALSE) {
+ if (fdc_check_drive(pCMD, pFG) == false) {
printf("\n** Error in check_drives **\n");
return 1;
}
@@ -769,7 +764,7 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
pCMD->drive=boot_drive;
/* read first block */
pCMD->blnr=0;
- if(fdc_read_data((unsigned char *)addr,1,pCMD,pFG)==FALSE) {
+ if (fdc_read_data((unsigned char *)addr, 1, pCMD, pFG) == false) {
printf("\nRead error:");
for(i=0;i<7;i++)
printf("result%d: 0x%02X\n",i,pCMD->result[i]);
@@ -801,7 +796,7 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
nrofblk++;
printf("Loading %ld Bytes (%d blocks) at 0x%08lx..\n",imsize,nrofblk,addr);
pCMD->blnr=0;
- if(fdc_read_data((unsigned char *)addr,nrofblk,pCMD,pFG)==FALSE) {
+ if (fdc_read_data((unsigned char *)addr, nrofblk, pCMD, pFG) == false) {
/* read image block */
printf("\nRead error:");
for(i=0;i<7;i++)
generated by cgit v1.1 at 2024-12-11 22:14:02 +0000