X-Git-Url: https://git.kernelconcepts.de/?p=karo-tx-uboot.git;a=blobdiff_plain;f=common%2Fcmd_fdc.c;h=dfa36901e6a88a9ffe3aa00edc37921d416050d8;hp=cdb050c255980577d460b4e2da15c5b30e804a2f;hb=8dc16cf9dd6196d99969d12741df186a61a2f9a3;hpb=aad813a342aca1a8127a283c64813e4ae4464d9c diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c index cdb050c255..dfa36901e6 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 */ /*#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;icmdlen;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)); } @@ -421,15 +416,15 @@ 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 */ int fdc_read_data(unsigned char *buffer, unsigned long blocks,FDC_COMMAND_STRUCT *pCMD, FD_GEO_STRUCT *pFG) { /* first seek to start address */ - unsigned long len,lastblk,readblk,i,timeout,ii,offset; - unsigned char pcn,c,retriesrw,retriescal; + unsigned long len,readblk,i,timeout,ii,offset; + unsigned char c,retriesrw,retriescal; unsigned char *bufferw; /* working buffer */ int sect_size; int flags; @@ -440,20 +435,21 @@ 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); - enable_interrupts(); - return FALSE; + if (flags) + enable_interrupts(); + return false; } if((pCMD->result[STATUS_0]&0x20)!=0x20) { printf("Seek error Status: %02X\n",pCMD->result[STATUS_0]); stop_fdc_drive(pCMD); - enable_interrupts(); - return FALSE; + if (flags) + enable_interrupts(); + return false; } - pcn=pCMD->result[STATUS_PCN]; /* current track */ /* now determine the next seek point */ - lastblk=pCMD->blnr + blocks; + /* lastblk=pCMD->blnr + blocks; */ /* readblk=(pFG->head*pFG->sect)-(pCMD->blnr%(pFG->head*pFG->sect)); */ readblk=pFG->sect-(pCMD->blnr%pFG->sect); PRINTF("1st nr of block possible read %ld start %ld\n",readblk,pCMD->blnr); @@ -465,10 +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); - enable_interrupts(); - return FALSE; + if (flags) + enable_interrupts(); + return false; } for (i=0;iFDC_RW_RETRIES) { if (retriescal++>FDC_CAL_RETRIES) { stop_fdc_drive(pCMD); - enable_interrupts(); - return FALSE; + if (flags) + enable_interrupts(); + 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); - enable_interrupts(); - return FALSE; + if (flags) + enable_interrupts(); + return false; } retriesrw=0; goto retrycal; @@ -508,7 +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 */ @@ -526,21 +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); - enable_interrupts(); - return FALSE; + if (flags) + enable_interrupts(); + 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; } - pcn=pCMD->result[STATUS_PCN]; /* current track */ - }while(TRUE); /* start over */ + } while (true); /* start over */ stop_fdc_drive(pCMD); /* switch off drive */ - enable_interrupts(); - return TRUE; + if (flags) + enable_interrupts(); + return true; } /* Scan all drives and check if drive is present and disk is inserted */ @@ -554,20 +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<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<name : ""); } pCMD->flags=state; - return TRUE; + return true; } @@ -606,9 +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) */ @@ -616,7 +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); } } @@ -624,24 +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) @@ -659,30 +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<flags&(0x10<drive=drive; /* read first block */ pCMD->blnr=0; - return TRUE; + return true; } /************************************************************************** * int fdc_fdos_seek @@ -721,8 +721,6 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) image_header_t *hdr; /* used for fdc boot */ unsigned char boot_drive; int i,nrofblk; - char *ep; - int rcode = 0; #if defined(CONFIG_FIT) const void *fit_hdr = NULL; #endif @@ -741,14 +739,14 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) boot_drive=simple_strtoul(argv[2], NULL, 10); break; default: - return cmd_usage(cmdtp); + 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; } @@ -766,7 +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]); @@ -798,7 +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++) @@ -823,19 +821,7 @@ int do_fdcboot (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) /* Loading ok, update default load address */ load_addr = addr; - /* Check if we should attempt an auto-start */ - if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) { - char *local_args[2]; - - local_args[0] = argv[0]; - local_args[1] = NULL; - - printf ("Automatic boot of image at addr 0x%08lX ...\n", addr); - - do_bootm (cmdtp, 0, 1, local_args); - rcode ++; - } - return rcode; + return bootm_maybe_autostart(cmdtp, argv[0]); } U_BOOT_CMD(