X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=common%2Fcmd_fdc.c;h=98b3c4c0014901444291c4bddd9e9282a38bf9ce;hb=015999584167b946dbc8f0c4fee96cc806dd10cc;hp=4fe410dd327d5a1b47d48615dd9dd1df9bf33a00;hpb=1086c5d6f8541460f0f10e4a302d8aac27e0e6e0;p=u-boot diff --git a/common/cmd_fdc.c b/common/cmd_fdc.c index 4fe410dd32..98b3c4c001 100644 --- a/common/cmd_fdc.c +++ b/common/cmd_fdc.c @@ -2,24 +2,7 @@ * (C) Copyright 2001 * Denis Peter, MPL AG, d.peter@mpl.ch. * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * + * SPDX-License-Identifier: GPL-2.0+ */ /* * Floppy Disk support @@ -39,13 +22,6 @@ #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 +190,9 @@ 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 +220,7 @@ 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 +236,10 @@ 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 +320,9 @@ 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 +331,12 @@ 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 +367,10 @@ 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 +380,10 @@ 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 +399,7 @@ 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 +418,18 @@ 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 +444,11 @@ 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;iFDC_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 +508,22 @@ 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 +537,20 @@ 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; } @@ -611,9 +589,9 @@ 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 +599,7 @@ 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 +607,24 @@ 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 +642,30 @@ 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 @@ -744,14 +722,14 @@ 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; } @@ -769,7 +747,7 @@ 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 +779,7 @@ 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++)