This driver is for a PowerPC board that will likely be removed soon. Rather than converting it to driver model, drop it.
Signed-off-by: Simon Glass sjg@chromium.org Reviewed-by: Bin Meng bmeng.cn@gmail.com ---
Changes in v2: None
README | 5 - board/mpl/pip405/README | 5 +- common/scsi.c | 9 +- configs/PIP405_defconfig | 1 - drivers/block/Makefile | 1 - drivers/block/sym53c8xx.c | 851 ------------------------------------------- include/configs/PIP405.h | 9 - scripts/config_whitelist.txt | 2 - 8 files changed, 3 insertions(+), 880 deletions(-) delete mode 100644 drivers/block/sym53c8xx.c
diff --git a/README b/README index 4259766f0a..6410b4269f 100644 --- a/README +++ b/README @@ -1050,16 +1050,11 @@ The following options need to be configured: Default is 32bit.
- SCSI Support: - At the moment only there is only support for the - SYM53C8XX SCSI controller; define - CONFIG_SCSI_SYM53C8XX to enable it. - CONFIG_SYS_SCSI_MAX_LUN [8], CONFIG_SYS_SCSI_MAX_SCSI_ID [7] and CONFIG_SYS_SCSI_MAX_DEVICE [CONFIG_SYS_SCSI_MAX_SCSI_ID * CONFIG_SYS_SCSI_MAX_LUN] can be adjusted to define the maximum numbers of LUNs, SCSI ID's and target devices. - CONFIG_SYS_SCSI_SYM53C8XX_CCF to fix clock timing (80Mhz)
The environment variable 'scsidevs' is set to the number of SCSI devices found during the last scan. diff --git a/board/mpl/pip405/README b/board/mpl/pip405/README index f039817b79..3983476d57 100644 --- a/board/mpl/pip405/README +++ b/board/mpl/pip405/README @@ -97,9 +97,8 @@ ATAPI support (experimental) ---------------------------- CONFIG_ATAPI enables ATAPI Support
-SCSI support (experimental) only SYM53C8xx supported ----------------------------------------------------- -CONFIG_SCSI_SYM53C8XX type of SCSI controller +SCSI support +------------ CONFIG_SYS_SCSI_MAX_LUN 8 number of supported LUNs CONFIG_SYS_SCSI_MAX_SCSI_ID 7 maximum SCSI ID (0..6) CONFIG_SYS_SCSI_MAX_DEVICE CONFIG_SYS_SCSI_MAX_SCSI_ID * CONFIG_SYS_SCSI_MAX_LUN diff --git a/common/scsi.c b/common/scsi.c index c456f5a717..4896fb9350 100644 --- a/common/scsi.c +++ b/common/scsi.c @@ -17,14 +17,7 @@ #ifdef CONFIG_SCSI_DEV_LIST #define SCSI_DEV_LIST CONFIG_SCSI_DEV_LIST #else -#ifdef CONFIG_SCSI_SYM53C8XX -#define SCSI_VEND_ID 0x1000 -#ifndef CONFIG_SCSI_DEV_ID -#define SCSI_DEV_ID 0x0001 -#else -#define SCSI_DEV_ID CONFIG_SCSI_DEV_ID -#endif -#elif defined CONFIG_SATA_ULI5288 +#ifdef CONFIG_SATA_ULI5288
#define SCSI_VEND_ID 0x10b9 #define SCSI_DEV_ID 0x5288 diff --git a/configs/PIP405_defconfig b/configs/PIP405_defconfig index 81083b46cc..07f1b54ae9 100644 --- a/configs/PIP405_defconfig +++ b/configs/PIP405_defconfig @@ -26,7 +26,6 @@ CONFIG_CMD_DATE=y CONFIG_CMD_FAT=y CONFIG_MAC_PARTITION=y CONFIG_ISO_PARTITION=y -CONFIG_SCSI=y # CONFIG_MMC is not set CONFIG_MTD_NOR_FLASH=y CONFIG_BAUDRATE=9600 diff --git a/drivers/block/Makefile b/drivers/block/Makefile index 06450966b1..2a4c9b8f9e 100644 --- a/drivers/block/Makefile +++ b/drivers/block/Makefile @@ -29,6 +29,5 @@ obj-$(CONFIG_SATA_SIL3114) += sata_sil3114.o obj-$(CONFIG_SATA_SIL) += sata_sil.o obj-$(CONFIG_IDE_SIL680) += sil680.o obj-$(CONFIG_SANDBOX) += sandbox.o sandbox_scsi.o sata_sandbox.o -obj-$(CONFIG_SCSI_SYM53C8XX) += sym53c8xx.o obj-$(CONFIG_SYSTEMACE) += systemace.o obj-$(CONFIG_BLOCK_CACHE) += blkcache.o diff --git a/drivers/block/sym53c8xx.c b/drivers/block/sym53c8xx.c deleted file mode 100644 index 50043e68af..0000000000 --- a/drivers/block/sym53c8xx.c +++ /dev/null @@ -1,851 +0,0 @@ -/* - * (C) Copyright 2001 - * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch. - * - * SPDX-License-Identifier: GPL-2.0+ - * partly derived from - * linux/drivers/scsi/sym53c8xx.c - * - */ - -/* - * SCSI support based on the chip sym53C810. - * - * 09-19-2001 Andreas Heppel, Sysgo RTS GmbH aheppel@sysgo.de - * The local version of this driver for the BAB750 board does not - * use interrupts but polls the chip instead (see the call of - * 'handle_scsi_int()' in 'scsi_issue()'. - */ - -#include <common.h> - -#include <command.h> -#include <pci.h> -#include <asm/processor.h> -#include <sym53c8xx.h> -#include <scsi.h> - -#undef SYM53C8XX_DEBUG - -#ifdef SYM53C8XX_DEBUG -#define PRINTF(fmt,args...) printf (fmt ,##args) -#else -#define PRINTF(fmt,args...) -#endif - -#if defined(CONFIG_SCSI) && defined(CONFIG_SCSI_SYM53C8XX) - -#undef SCSI_SINGLE_STEP -/* - * Single Step is only used for debug purposes - */ -#ifdef SCSI_SINGLE_STEP -static unsigned long start_script_select; -static unsigned long start_script_msgout; -static unsigned long start_script_msgin; -static unsigned long start_script_msg_ext; -static unsigned long start_script_cmd; -static unsigned long start_script_data_in; -static unsigned long start_script_data_out; -static unsigned long start_script_status; -static unsigned long start_script_complete; -static unsigned long start_script_error; -static unsigned long start_script_reselection; -static unsigned int len_script_select; -static unsigned int len_script_msgout; -static unsigned int len_script_msgin; -static unsigned int len_script_msg_ext; -static unsigned int len_script_cmd; -static unsigned int len_script_data_in; -static unsigned int len_script_data_out; -static unsigned int len_script_status; -static unsigned int len_script_complete; -static unsigned int len_script_error; -static unsigned int len_script_reselection; -#endif - - -static unsigned short scsi_int_mask; /* shadow register for SCSI related interrupts */ -static unsigned char script_int_mask; /* shadow register for SCRIPT related interrupts */ -static unsigned long script_select[8]; /* script for selection */ -static unsigned long script_msgout[8]; /* script for message out phase (NOT USED) */ -static unsigned long script_msgin[14]; /* script for message in phase */ -static unsigned long script_msg_ext[32]; /* script for message in phase when more than 1 byte message */ -static unsigned long script_cmd[18]; /* script for command phase */ -static unsigned long script_data_in[8]; /* script for data in phase */ -static unsigned long script_data_out[8]; /* script for data out phase */ -static unsigned long script_status[6]; /* script for status phase */ -static unsigned long script_complete[10]; /* script for complete */ -static unsigned long script_reselection[4]; /* script for reselection (NOT USED) */ -static unsigned long script_error[2]; /* script for error handling */ - -static unsigned long int_stat[3]; /* interrupt status */ -static unsigned long scsi_mem_addr; /* base memory address =SCSI_MEM_ADDRESS; */ - -#define bus_to_phys(a) pci_mem_to_phys(busdevfunc, (unsigned long) (a)) -#define phys_to_bus(a) pci_phys_to_mem(busdevfunc, (unsigned long) (a)) - -#define SCSI_MAX_RETRY 3 /* number of retries in scsi_issue() */ - -#define SCSI_MAX_RETRY_NOT_READY 10 /* number of retries when device is not ready */ -#define SCSI_NOT_READY_TIME_OUT 500 /* timeout per retry when not ready */ - -/********************************************************************************* - * forward declerations - */ - -void scsi_chip_init(void); -void handle_scsi_int(void); - - -/******************************************************************************** - * reports SCSI errors to the user - */ -void scsi_print_error (ccb * pccb) -{ - int i; - - printf ("SCSI Error: Target %d LUN %d Command %02X\n", pccb->target, - pccb->lun, pccb->cmd[0]); - printf (" CCB: "); - for (i = 0; i < pccb->cmdlen; i++) - printf ("%02X ", pccb->cmd[i]); - printf ("(len=%d)\n", pccb->cmdlen); - printf (" Cntrl: "); - switch (pccb->contr_stat) { - case SIR_COMPLETE: - printf ("Complete (no Error)\n"); - break; - case SIR_SEL_ATN_NO_MSG_OUT: - printf ("Selected with ATN no MSG out phase\n"); - break; - case SIR_CMD_OUT_ILL_PH: - printf ("Command out illegal phase\n"); - break; - case SIR_MSG_RECEIVED: - printf ("MSG received Error\n"); - break; - case SIR_DATA_IN_ERR: - printf ("Data in Error\n"); - break; - case SIR_DATA_OUT_ERR: - printf ("Data out Error\n"); - break; - case SIR_SCRIPT_ERROR: - printf ("Script Error\n"); - break; - case SIR_MSG_OUT_NO_CMD: - printf ("MSG out no Command phase\n"); - break; - case SIR_MSG_OVER7: - printf ("MSG in over 7 bytes\n"); - break; - case INT_ON_FY: - printf ("Interrupt on fly\n"); - break; - case SCSI_SEL_TIME_OUT: - printf ("SCSI Selection Timeout\n"); - break; - case SCSI_HNS_TIME_OUT: - printf ("SCSI Handshake Timeout\n"); - break; - case SCSI_MA_TIME_OUT: - printf ("SCSI Phase Error\n"); - break; - case SCSI_UNEXP_DIS: - printf ("SCSI unexpected disconnect\n"); - break; - default: - printf ("unknown status %lx\n", pccb->contr_stat); - break; - } - printf (" Sense: SK %x (", pccb->sense_buf[2] & 0x0f); - switch (pccb->sense_buf[2] & 0xf) { - case SENSE_NO_SENSE: - printf ("No Sense)"); - break; - case SENSE_RECOVERED_ERROR: - printf ("Recovered Error)"); - break; - case SENSE_NOT_READY: - printf ("Not Ready)"); - break; - case SENSE_MEDIUM_ERROR: - printf ("Medium Error)"); - break; - case SENSE_HARDWARE_ERROR: - printf ("Hardware Error)"); - break; - case SENSE_ILLEGAL_REQUEST: - printf ("Illegal request)"); - break; - case SENSE_UNIT_ATTENTION: - printf ("Unit Attention)"); - break; - case SENSE_DATA_PROTECT: - printf ("Data Protect)"); - break; - case SENSE_BLANK_CHECK: - printf ("Blank check)"); - break; - case SENSE_VENDOR_SPECIFIC: - printf ("Vendor specific)"); - break; - case SENSE_COPY_ABORTED: - printf ("Copy aborted)"); - break; - case SENSE_ABORTED_COMMAND: - printf ("Aborted Command)"); - break; - case SENSE_VOLUME_OVERFLOW: - printf ("Volume overflow)"); - break; - case SENSE_MISCOMPARE: - printf ("Misscompare\n"); - break; - default: - printf ("Illegal Sensecode\n"); - break; - } - printf (" ASC %x ASCQ %x\n", pccb->sense_buf[12], - pccb->sense_buf[13]); - printf (" Status: "); - switch (pccb->status) { - case S_GOOD: - printf ("Good\n"); - break; - case S_CHECK_COND: - printf ("Check condition\n"); - break; - case S_COND_MET: - printf ("Condition Met\n"); - break; - case S_BUSY: - printf ("Busy\n"); - break; - case S_INT: - printf ("Intermediate\n"); - break; - case S_INT_COND_MET: - printf ("Intermediate condition met\n"); - break; - case S_CONFLICT: - printf ("Reservation conflict\n"); - break; - case S_TERMINATED: - printf ("Command terminated\n"); - break; - case S_QUEUE_FULL: - printf ("Task set full\n"); - break; - default: - printf ("unknown: %02X\n", pccb->status); - break; - } - -} - - -/****************************************************************************** - * sets-up the SCSI controller - * the base memory address is retrieved via the pci_read_config_dword - */ -void scsi_low_level_init(int busdevfunc) -{ - unsigned int cmd; - unsigned int addr; - unsigned char vec; - - pci_read_config_byte(busdevfunc, PCI_INTERRUPT_LINE, &vec); - pci_read_config_dword(busdevfunc, PCI_BASE_ADDRESS_1, &addr); - - addr = bus_to_phys(addr & ~0xf); - - /* - * Enable bus mastering in case this has not been done, yet. - */ - pci_read_config_dword(busdevfunc, PCI_COMMAND, &cmd); - cmd |= PCI_COMMAND_MASTER; - pci_write_config_dword(busdevfunc, PCI_COMMAND, cmd); - - scsi_mem_addr = addr; - - scsi_chip_init(); - scsi_bus_reset(); -} - - -/************************************************************************************ - * Low level Part of SCSI Driver - */ - -/* - * big-endian -> little endian conversion for the script - */ -unsigned long swap_script(unsigned long val) -{ - return ((val >> 24) & 0xff) | ((val >> 8) & 0xff00) | - ((val << 8) & 0xff0000) | ((val << 24) & 0xff000000); -} - - -void scsi_write_byte(ulong offset,unsigned char val) -{ - out8(scsi_mem_addr+offset,val); -} - - -unsigned char scsi_read_byte(ulong offset) -{ - return(in8(scsi_mem_addr+offset)); -} - - -/******************************************************************************** - * interrupt handler - */ -void handle_scsi_int(void) -{ - unsigned char stat,stat1,stat2; - unsigned short sstat; - int i; -#ifdef SCSI_SINGLE_STEP - unsigned long tt; -#endif - stat=scsi_read_byte(ISTAT); - if((stat & DIP)==DIP) { /* DMA Interrupt pending */ - stat1=scsi_read_byte(DSTAT); -#ifdef SCSI_SINGLE_STEP - if((stat1 & SSI)==SSI) { - tt=in32r(scsi_mem_addr+DSP); - if(((tt)>=start_script_select) && ((tt)<start_script_select+len_script_select)) { - printf("select %d\n",(tt-start_script_select)>>2); - goto end_single; - } - if(((tt)>=start_script_msgout) && ((tt)<start_script_msgout+len_script_msgout)) { - printf("msgout %d\n",(tt-start_script_msgout)>>2); - goto end_single; - } - if(((tt)>=start_script_msgin) && ((tt)<start_script_msgin+len_script_msgin)) { - printf("msgin %d\n",(tt-start_script_msgin)>>2); - goto end_single; - } - if(((tt)>=start_script_msg_ext) && ((tt)<start_script_msg_ext+len_script_msg_ext)) { - printf("msgin_ext %d\n",(tt-start_script_msg_ext)>>2); - goto end_single; - } - if(((tt)>=start_script_cmd) && ((tt)<start_script_cmd+len_script_cmd)) { - printf("cmd %d\n",(tt-start_script_cmd)>>2); - goto end_single; - } - if(((tt)>=start_script_data_in) && ((tt)<start_script_data_in+len_script_data_in)) { - printf("data_in %d\n",(tt-start_script_data_in)>>2); - goto end_single; - } - if(((tt)>=start_script_data_out) && ((tt)<start_script_data_out+len_script_data_out)) { - printf("data_out %d\n",(tt-start_script_data_out)>>2); - goto end_single; - } - if(((tt)>=start_script_status) && ((tt)<start_script_status+len_script_status)) { - printf("status %d\n",(tt-start_script_status)>>2); - goto end_single; - } - if(((tt)>=start_script_complete) && ((tt)<start_script_complete+len_script_complete)) { - printf("complete %d\n",(tt-start_script_complete)>>2); - goto end_single; - } - if(((tt)>=start_script_error) && ((tt)<start_script_error+len_script_error)) { - printf("error %d\n",(tt-start_script_error)>>2); - goto end_single; - } - if(((tt)>=start_script_reselection) && ((tt)<start_script_reselection+len_script_reselection)) { - printf("reselection %d\n",(tt-start_script_reselection)>>2); - goto end_single; - } - printf("sc: %lx\n",tt); -end_single: - stat2=scsi_read_byte(DCNTL); - stat2|=STD; - scsi_write_byte(DCNTL,stat2); - } -#endif - if((stat1 & SIR)==SIR) /* script interrupt */ - { - int_stat[0]=in32(scsi_mem_addr+DSPS); - } - if((stat1 & DFE)==0) { /* fifo not epmty */ - scsi_write_byte(CTEST3,CLF); /* Clear DMA FIFO */ - stat2=scsi_read_byte(STEST3); - scsi_write_byte(STEST3,(stat2 | CSF)); /* Clear SCSI FIFO */ - } - } - if((stat & SIP)==SIP) { /* scsi interrupt */ - sstat = (unsigned short)scsi_read_byte(SIST+1); - sstat <<=8; - sstat |= (unsigned short)scsi_read_byte(SIST); - for(i=0;i<3;i++) { - if(int_stat[i]==0) - break; /* found an empty int status */ - } - int_stat[i]=SCSI_INT_STATE | sstat; - stat1=scsi_read_byte(DSTAT); - if((stat1 & DFE)==0) { /* fifo not epmty */ - scsi_write_byte(CTEST3,CLF); /* Clear DMA FIFO */ - stat2=scsi_read_byte(STEST3); - scsi_write_byte(STEST3,(stat2 | CSF)); /* Clear SCSI FIFO */ - } - } - if((stat & INTF)==INTF) { /* interrupt on Fly */ - scsi_write_byte(ISTAT,stat); /* clear it */ - for(i=0;i<3;i++) { - if(int_stat[i]==0) - break; /* found an empty int status */ - } - int_stat[i]=INT_ON_FY; - } -} - -void scsi_bus_reset(void) -{ - unsigned char t; - int i; - int end = CONFIG_SYS_SCSI_SPIN_UP_TIME*1000; - - t=scsi_read_byte(SCNTL1); - scsi_write_byte(SCNTL1,(t | CRST)); - udelay(50); - scsi_write_byte(SCNTL1,t); - - puts("waiting for devices to spin up"); - for(i=0;i<end;i++) { - udelay(1000); /* give the devices time to spin up */ - if (i % 1000 == 0) - putc('.'); - } - putc('\n'); - scsi_chip_init(); /* reinit the chip ...*/ - -} - -void scsi_int_enable(void) -{ - scsi_write_byte(SIEN,(unsigned char)scsi_int_mask); - scsi_write_byte(SIEN+1,(unsigned char)(scsi_int_mask>>8)); - scsi_write_byte(DIEN,script_int_mask); -} - -void scsi_write_dsp(unsigned long start) -{ -#ifdef SCSI_SINGLE_STEP - unsigned char t; -#endif - out32r(scsi_mem_addr + DSP,start); -#ifdef SCSI_SINGLE_STEP - t=scsi_read_byte(DCNTL); - t|=STD; - scsi_write_byte(DCNTL,t); -#endif -} - -/* only used for debug purposes */ -void scsi_print_script(void) -{ - printf("script_select @ 0x%08lX\n",(unsigned long)&script_select[0]); - printf("script_msgout @ 0x%08lX\n",(unsigned long)&script_msgout[0]); - printf("script_msgin @ 0x%08lX\n",(unsigned long)&script_msgin[0]); - printf("script_msgext @ 0x%08lX\n",(unsigned long)&script_msg_ext[0]); - printf("script_cmd @ 0x%08lX\n",(unsigned long)&script_cmd[0]); - printf("script_data_in @ 0x%08lX\n",(unsigned long)&script_data_in[0]); - printf("script_data_out @ 0x%08lX\n",(unsigned long)&script_data_out[0]); - printf("script_status @ 0x%08lX\n",(unsigned long)&script_status[0]); - printf("script_complete @ 0x%08lX\n",(unsigned long)&script_complete[0]); - printf("script_error @ 0x%08lX\n",(unsigned long)&script_error[0]); -} - - -void scsi_set_script(ccb *pccb) -{ - int busdevfunc = pccb->priv; - int i; - i=0; - script_select[i++]=swap_script(SCR_REG_REG(GPREG, SCR_AND, 0xfe)); - script_select[i++]=0; /* LED ON */ - script_select[i++]=swap_script(SCR_CLR(SCR_TRG)); /* select initiator mode */ - script_select[i++]=0; - /* script_select[i++]=swap_script(SCR_SEL_ABS_ATN | pccb->target << 16); */ - script_select[i++]=swap_script(SCR_SEL_ABS | pccb->target << 16); - script_select[i++]=swap_script(phys_to_bus(&script_cmd[4])); /* error handling */ - script_select[i++]=swap_script(SCR_JUMP); /* next section */ - /* script_select[i++]=swap_script((unsigned long)&script_msgout[0]); */ /* message out */ - script_select[i++]=swap_script(phys_to_bus(&script_cmd[0])); /* command out */ - -#ifdef SCSI_SINGLE_STEP - start_script_select=(unsigned long)&script_select[0]; - len_script_select=i*4; -#endif - - i=0; - script_msgout[i++]=swap_script(SCR_INT ^ IFFALSE (WHEN (SCR_MSG_OUT))); - script_msgout[i++]=SIR_SEL_ATN_NO_MSG_OUT; - script_msgout[i++]=swap_script( SCR_MOVE_ABS(1) ^ SCR_MSG_OUT); - script_msgout[i++]=swap_script(phys_to_bus(&pccb->msgout[0])); - script_msgout[i++]=swap_script(SCR_JUMP ^ IFTRUE (WHEN (SCR_COMMAND))); /* if Command phase */ - script_msgout[i++]=swap_script(phys_to_bus(&script_cmd[0])); /* switch to command */ - script_msgout[i++]=swap_script(SCR_INT); /* interrupt if not */ - script_msgout[i++]=SIR_MSG_OUT_NO_CMD; - -#ifdef SCSI_SINGLE_STEP - start_script_msgout=(unsigned long)&script_msgout[0]; - len_script_msgout=i*4; -#endif - i=0; - script_cmd[i++]=swap_script(SCR_MOVE_ABS(pccb->cmdlen) ^ SCR_COMMAND); - script_cmd[i++]=swap_script(phys_to_bus(&pccb->cmd[0])); - script_cmd[i++]=swap_script(SCR_JUMP ^ IFTRUE (WHEN (SCR_MSG_IN))); /* message in ? */ - script_cmd[i++]=swap_script(phys_to_bus(&script_msgin[0])); - script_cmd[i++]=swap_script(SCR_JUMP ^ IFTRUE (IF (SCR_DATA_OUT))); /* data out ? */ - script_cmd[i++]=swap_script(phys_to_bus(&script_data_out[0])); - script_cmd[i++]=swap_script(SCR_JUMP ^ IFTRUE (IF (SCR_DATA_IN))); /* data in ? */ - script_cmd[i++]=swap_script(phys_to_bus(&script_data_in[0])); - script_cmd[i++]=swap_script(SCR_JUMP ^ IFTRUE (IF (SCR_STATUS))); /* status ? */ - script_cmd[i++]=swap_script(phys_to_bus(&script_status[0])); - script_cmd[i++]=swap_script(SCR_JUMP ^ IFTRUE (IF (SCR_COMMAND))); /* command ? */ - script_cmd[i++]=swap_script(phys_to_bus(&script_cmd[0])); - script_cmd[i++]=swap_script(SCR_JUMP ^ IFTRUE (IF (SCR_MSG_OUT))); /* message out ? */ - script_cmd[i++]=swap_script(phys_to_bus(&script_msgout[0])); - script_cmd[i++]=swap_script(SCR_JUMP ^ IFTRUE (IF (SCR_MSG_IN))); /* just for error handling message in ? */ - script_cmd[i++]=swap_script(phys_to_bus(&script_msgin[0])); - script_cmd[i++]=swap_script(SCR_INT); /* interrupt if not */ - script_cmd[i++]=SIR_CMD_OUT_ILL_PH; -#ifdef SCSI_SINGLE_STEP - start_script_cmd=(unsigned long)&script_cmd[0]; - len_script_cmd=i*4; -#endif - i=0; - script_data_out[i++]=swap_script(SCR_MOVE_ABS(pccb->datalen)^ SCR_DATA_OUT); /* move */ - script_data_out[i++]=swap_script(phys_to_bus(pccb->pdata)); /* pointer to buffer */ - script_data_out[i++]=swap_script(SCR_JUMP ^ IFTRUE (WHEN (SCR_STATUS))); - script_data_out[i++]=swap_script(phys_to_bus(&script_status[0])); - script_data_out[i++]=swap_script(SCR_INT); - script_data_out[i++]=SIR_DATA_OUT_ERR; - -#ifdef SCSI_SINGLE_STEP - start_script_data_out=(unsigned long)&script_data_out[0]; - len_script_data_out=i*4; -#endif - i=0; - script_data_in[i++]=swap_script(SCR_MOVE_ABS(pccb->datalen)^ SCR_DATA_IN); /* move */ - script_data_in[i++]=swap_script(phys_to_bus(pccb->pdata)); /* pointer to buffer */ - script_data_in[i++]=swap_script(SCR_JUMP ^ IFTRUE (WHEN (SCR_STATUS))); - script_data_in[i++]=swap_script(phys_to_bus(&script_status[0])); - script_data_in[i++]=swap_script(SCR_INT); - script_data_in[i++]=SIR_DATA_IN_ERR; -#ifdef SCSI_SINGLE_STEP - start_script_data_in=(unsigned long)&script_data_in[0]; - len_script_data_in=i*4; -#endif - i=0; - script_msgin[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); - script_msgin[i++]=swap_script(phys_to_bus(&pccb->msgin[0])); - script_msgin[i++]=swap_script(SCR_JUMP ^ IFTRUE (DATA (M_COMPLETE))); - script_msgin[i++]=swap_script(phys_to_bus(&script_complete[0])); - script_msgin[i++]=swap_script(SCR_JUMP ^ IFTRUE (DATA (M_DISCONNECT))); - script_msgin[i++]=swap_script(phys_to_bus(&script_complete[0])); - script_msgin[i++]=swap_script(SCR_JUMP ^ IFTRUE (DATA (M_SAVE_DP))); - script_msgin[i++]=swap_script(phys_to_bus(&script_complete[0])); - script_msgin[i++]=swap_script(SCR_JUMP ^ IFTRUE (DATA (M_RESTORE_DP))); - script_msgin[i++]=swap_script(phys_to_bus(&script_complete[0])); - script_msgin[i++]=swap_script(SCR_JUMP ^ IFTRUE (DATA (M_EXTENDED))); - script_msgin[i++]=swap_script(phys_to_bus(&script_msg_ext[0])); - script_msgin[i++]=swap_script(SCR_INT); - script_msgin[i++]=SIR_MSG_RECEIVED; -#ifdef SCSI_SINGLE_STEP - start_script_msgin=(unsigned long)&script_msgin[0]; - len_script_msgin=i*4; -#endif - i=0; - script_msg_ext[i++]=swap_script(SCR_CLR (SCR_ACK)); /* clear ACK */ - script_msg_ext[i++]=0; - script_msg_ext[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); /* assuming this is the msg length */ - script_msg_ext[i++]=swap_script(phys_to_bus(&pccb->msgin[1])); - script_msg_ext[i++]=swap_script(SCR_JUMP ^ IFFALSE (IF (SCR_MSG_IN))); - script_msg_ext[i++]=swap_script(phys_to_bus(&script_complete[0])); /* no more bytes */ - script_msg_ext[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); /* next */ - script_msg_ext[i++]=swap_script(phys_to_bus(&pccb->msgin[2])); - script_msg_ext[i++]=swap_script(SCR_JUMP ^ IFFALSE (IF (SCR_MSG_IN))); - script_msg_ext[i++]=swap_script(phys_to_bus(&script_complete[0])); /* no more bytes */ - script_msg_ext[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); /* next */ - script_msg_ext[i++]=swap_script(phys_to_bus(&pccb->msgin[3])); - script_msg_ext[i++]=swap_script(SCR_JUMP ^ IFFALSE (IF (SCR_MSG_IN))); - script_msg_ext[i++]=swap_script(phys_to_bus(&script_complete[0])); /* no more bytes */ - script_msg_ext[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); /* next */ - script_msg_ext[i++]=swap_script(phys_to_bus(&pccb->msgin[4])); - script_msg_ext[i++]=swap_script(SCR_JUMP ^ IFFALSE (IF (SCR_MSG_IN))); - script_msg_ext[i++]=swap_script(phys_to_bus(&script_complete[0])); /* no more bytes */ - script_msg_ext[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); /* next */ - script_msg_ext[i++]=swap_script(phys_to_bus(&pccb->msgin[5])); - script_msg_ext[i++]=swap_script(SCR_JUMP ^ IFFALSE (IF (SCR_MSG_IN))); - script_msg_ext[i++]=swap_script(phys_to_bus(&script_complete[0])); /* no more bytes */ - script_msg_ext[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); /* next */ - script_msg_ext[i++]=swap_script(phys_to_bus(&pccb->msgin[6])); - script_msg_ext[i++]=swap_script(SCR_JUMP ^ IFFALSE (IF (SCR_MSG_IN))); - script_msg_ext[i++]=swap_script(phys_to_bus(&script_complete[0])); /* no more bytes */ - script_msg_ext[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_MSG_IN); /* next */ - script_msg_ext[i++]=swap_script(phys_to_bus(&pccb->msgin[7])); - script_msg_ext[i++]=swap_script(SCR_JUMP ^ IFFALSE (IF (SCR_MSG_IN))); - script_msg_ext[i++]=swap_script(phys_to_bus(&script_complete[0])); /* no more bytes */ - script_msg_ext[i++]=swap_script(SCR_INT); - script_msg_ext[i++]=SIR_MSG_OVER7; -#ifdef SCSI_SINGLE_STEP - start_script_msg_ext=(unsigned long)&script_msg_ext[0]; - len_script_msg_ext=i*4; -#endif - i=0; - script_status[i++]=swap_script(SCR_MOVE_ABS (1) ^ SCR_STATUS); - script_status[i++]=swap_script(phys_to_bus(&pccb->status)); - script_status[i++]=swap_script(SCR_JUMP ^ IFTRUE (WHEN (SCR_MSG_IN))); - script_status[i++]=swap_script(phys_to_bus(&script_msgin[0])); - script_status[i++]=swap_script(SCR_INT); - script_status[i++]=SIR_STATUS_ILL_PH; -#ifdef SCSI_SINGLE_STEP - start_script_status=(unsigned long)&script_status[0]; - len_script_status=i*4; -#endif - i=0; - script_complete[i++]=swap_script(SCR_REG_REG (SCNTL2, SCR_AND, 0x7f)); - script_complete[i++]=0; - script_complete[i++]=swap_script(SCR_CLR (SCR_ACK|SCR_ATN)); - script_complete[i++]=0; - script_complete[i++]=swap_script(SCR_WAIT_DISC); - script_complete[i++]=0; - script_complete[i++]=swap_script(SCR_REG_REG(GPREG, SCR_OR, 0x01)); - script_complete[i++]=0; /* LED OFF */ - script_complete[i++]=swap_script(SCR_INT); - script_complete[i++]=SIR_COMPLETE; -#ifdef SCSI_SINGLE_STEP - start_script_complete=(unsigned long)&script_complete[0]; - len_script_complete=i*4; -#endif - i=0; - script_error[i++]=swap_script(SCR_INT); /* interrupt if error */ - script_error[i++]=SIR_SCRIPT_ERROR; -#ifdef SCSI_SINGLE_STEP - start_script_error=(unsigned long)&script_error[0]; - len_script_error=i*4; -#endif - i=0; - script_reselection[i++]=swap_script(SCR_CLR (SCR_TRG)); /* target status */ - script_reselection[i++]=0; - script_reselection[i++]=swap_script(SCR_WAIT_RESEL); - script_reselection[i++]=swap_script(phys_to_bus(&script_select[0])); /* len = 4 */ -#ifdef SCSI_SINGLE_STEP - start_script_reselection=(unsigned long)&script_reselection[0]; - len_script_reselection=i*4; -#endif -} - - -void scsi_issue(ccb *pccb) -{ - int busdevfunc = pccb->priv; - int i; - unsigned short sstat; - int retrycnt; /* retry counter */ - for(i=0;i<3;i++) - int_stat[i]=0; /* delete all int status */ - /* struct pccb must be set-up correctly */ - retrycnt=0; - PRINTF("ID %d issue cmd %02X\n",pccb->target,pccb->cmd[0]); - pccb->trans_bytes=0; /* no bytes transferred yet */ - scsi_set_script(pccb); /* fill in SCRIPT */ - scsi_int_mask=STO | UDC | MA; /* | CMP; / * Interrupts which are enabled */ - script_int_mask=0xff; /* enable all Ints */ - scsi_int_enable(); - scsi_write_dsp(phys_to_bus(&script_select[0])); /* start script */ - /* now we have to wait for IRQs */ -retry: - /* - * This version of the driver is _not_ interrupt driven, - * but polls the chip's interrupt registers (ISTAT, DSTAT). - */ - while(int_stat[0]==0) - handle_scsi_int(); - - if(int_stat[0]==SIR_COMPLETE) { - if(pccb->msgin[0]==M_DISCONNECT) { - PRINTF("Wait for reselection\n"); - for(i=0;i<3;i++) - int_stat[i]=0; /* delete all int status */ - scsi_write_dsp(phys_to_bus(&script_reselection[0])); /* start reselection script */ - goto retry; - } - pccb->contr_stat=SIR_COMPLETE; - return; - } - if((int_stat[0] & SCSI_INT_STATE)==SCSI_INT_STATE) { /* scsi interrupt */ - sstat=(unsigned short)int_stat[0]; - if((sstat & STO)==STO) { /* selection timeout */ - pccb->contr_stat=SCSI_SEL_TIME_OUT; - scsi_write_byte(GPREG,0x01); - PRINTF("ID: %X Selection Timeout\n",pccb->target); - return; - } - if((sstat & UDC)==UDC) { /* unexpected disconnect */ - pccb->contr_stat=SCSI_UNEXP_DIS; - scsi_write_byte(GPREG,0x01); - PRINTF("ID: %X Unexpected Disconnect\n",pccb->target); - return; - } - if((sstat & RSL)==RSL) { /* reselection */ - pccb->contr_stat=SCSI_UNEXP_DIS; - scsi_write_byte(GPREG,0x01); - PRINTF("ID: %X Unexpected Disconnect\n",pccb->target); - return; - } - if(((sstat & MA)==MA)||((sstat & HTH)==HTH)) { /* phase missmatch */ - if(retrycnt<SCSI_MAX_RETRY) { - pccb->trans_bytes=pccb->datalen - - ((unsigned long)scsi_read_byte(DBC) | - ((unsigned long)scsi_read_byte(DBC+1)<<8) | - ((unsigned long)scsi_read_byte(DBC+2)<<16)); - for(i=0;i<3;i++) - int_stat[i]=0; /* delete all int status */ - retrycnt++; - PRINTF("ID: %X Phase Missmatch Retry %d Phase %02X transferred %lx\n", - pccb->target,retrycnt,scsi_read_byte(SBCL),pccb->trans_bytes); - scsi_write_dsp(phys_to_bus(&script_cmd[4])); /* start retry script */ - goto retry; - } - if((sstat & MA)==MA) - pccb->contr_stat=SCSI_MA_TIME_OUT; - else - pccb->contr_stat=SCSI_HNS_TIME_OUT; - PRINTF("Phase Missmatch stat %lx\n",pccb->contr_stat); - return; - } /* no phase int */ -/* if((sstat & CMP)==CMP) { - pccb->contr_stat=SIR_COMPLETE; - return; - } -*/ - PRINTF("SCSI INT %lX\n",int_stat[0]); - pccb->contr_stat=int_stat[0]; - return; - } /* end scsi int */ - PRINTF("SCRIPT INT %lX phase %02X\n",int_stat[0],scsi_read_byte(SBCL)); - pccb->contr_stat=int_stat[0]; - return; -} - -int scsi_exec(ccb *pccb) -{ - unsigned char tmpcmd[16],tmpstat; - int i,retrycnt,t; - unsigned long transbytes,datalen; - unsigned char *tmpptr; - retrycnt=0; -retry: - scsi_issue(pccb); - if(pccb->contr_stat!=SIR_COMPLETE) - return false; - if(pccb->status==S_GOOD) - return true; - if(pccb->status==S_CHECK_COND) { /* check condition */ - for(i=0;i<16;i++) - tmpcmd[i]=pccb->cmd[i]; - pccb->cmd[0]=SCSI_REQ_SENSE; - pccb->cmd[1]=pccb->lun<<5; - pccb->cmd[2]=0; - pccb->cmd[3]=0; - pccb->cmd[4]=14; - pccb->cmd[5]=0; - pccb->cmdlen=6; - pccb->msgout[0]=SCSI_IDENTIFY; - transbytes=pccb->trans_bytes; - tmpptr=pccb->pdata; - pccb->pdata = &pccb->sense_buf[0]; - datalen=pccb->datalen; - pccb->datalen=14; - tmpstat=pccb->status; - scsi_issue(pccb); - for(i=0;i<16;i++) - pccb->cmd[i]=tmpcmd[i]; - pccb->trans_bytes=transbytes; - pccb->pdata=tmpptr; - pccb->datalen=datalen; - pccb->status=tmpstat; - PRINTF("Request_sense sense key %x ASC %x ASCQ %x\n",pccb->sense_buf[2]&0x0f, - pccb->sense_buf[12],pccb->sense_buf[13]); - switch(pccb->sense_buf[2]&0xf) { - case SENSE_NO_SENSE: - case SENSE_RECOVERED_ERROR: - /* seems to be ok */ - return true; - break; - case SENSE_NOT_READY: - if((pccb->sense_buf[12]!=0x04)||(pccb->sense_buf[13]!=0x01)) { - /* if device is not in process of becoming ready */ - return false; - break; - } /* else fall through */ - case SENSE_UNIT_ATTENTION: - if(retrycnt<SCSI_MAX_RETRY_NOT_READY) { - PRINTF("Target %d not ready, retry %d\n",pccb->target,retrycnt); - for(t=0;t<SCSI_NOT_READY_TIME_OUT;t++) - udelay(1000); /* 1sec wait */ - retrycnt++; - goto retry; - } - PRINTF("Target %d not ready, %d retried\n",pccb->target,retrycnt); - return false; - default: - return false; - } - } - PRINTF("Status = %X\n",pccb->status); - return false; -} - - -void scsi_chip_init(void) -{ - /* first we issue a soft reset */ - scsi_write_byte(ISTAT,SRST); - udelay(1000); - scsi_write_byte(ISTAT,0); - /* setup chip */ - scsi_write_byte(SCNTL0,0xC0); /* full arbitration no start, no message, parity disabled, master */ - scsi_write_byte(SCNTL1,0x00); - scsi_write_byte(SCNTL2,0x00); -#ifndef CONFIG_SYS_SCSI_SYM53C8XX_CCF /* config value for none 40 MHz clocks */ - scsi_write_byte(SCNTL3,0x13); /* synchronous clock 40/4=10MHz, asynchronous 40MHz */ -#else - scsi_write_byte(SCNTL3,CONFIG_SYS_SCSI_SYM53C8XX_CCF); /* config value for none 40 MHz clocks */ -#endif - scsi_write_byte(SCID,0x47); /* ID=7, enable reselection */ - scsi_write_byte(SXFER,0x00); /* synchronous transfer period 10MHz, asynchronous */ - scsi_write_byte(SDID,0x00); /* targed SCSI ID = 0 */ - scsi_int_mask=0x0000; /* no Interrupt is enabled */ - script_int_mask=0x00; - scsi_int_enable(); - scsi_write_byte(GPREG,0x01); /* GPIO0 is LED (off) */ - scsi_write_byte(GPCNTL,0x0E); /* GPIO0 is Output */ - scsi_write_byte(STIME0,0x08); /* handshake timer disabled, selection timeout 512msec */ - scsi_write_byte(RESPID,0x80); /* repond only to the own ID (reselection) */ - scsi_write_byte(STEST1,0x00); /* not isolated, SCLK is used */ - scsi_write_byte(STEST2,0x00); /* no Lowlevel Mode? */ - scsi_write_byte(STEST3,0x80); /* enable tolerANT */ - scsi_write_byte(CTEST3,0x04); /* clear FIFO */ - scsi_write_byte(CTEST4,0x00); - scsi_write_byte(CTEST5,0x00); -#ifdef SCSI_SINGLE_STEP -/* scsi_write_byte(DCNTL,IRQM | SSM); */ - scsi_write_byte(DCNTL,IRQD | SSM); - scsi_write_byte(DMODE,MAN); -#else -/* scsi_write_byte(DCNTL,IRQM); */ - scsi_write_byte(DCNTL,IRQD); - scsi_write_byte(DMODE,0x00); -#endif -} -#endif diff --git a/include/configs/PIP405.h b/include/configs/PIP405.h index bfd1c3055b..d33a307525 100644 --- a/include/configs/PIP405.h +++ b/include/configs/PIP405.h @@ -255,15 +255,6 @@ ************************************************************/ #define CONFIG_ATAPI /* enable ATAPI Support */
-/************************************************************ - * SCSI support (experimental) only SYM53C8xx supported - ************************************************************/ -#define CONFIG_SCSI_SYM53C8XX -#define CONFIG_SYS_SCSI_MAX_LUN 8 /* number of supported LUNs */ -#define CONFIG_SYS_SCSI_MAX_SCSI_ID 7 /* maximum SCSI ID (0..6) */ -#define CONFIG_SYS_SCSI_MAX_DEVICE CONFIG_SYS_SCSI_MAX_SCSI_ID * CONFIG_SYS_SCSI_MAX_LUN /* maximum Target devices */ -#define CONFIG_SYS_SCSI_SPIN_UP_TIME 2 - /************************************************************ * Disk-On-Chip configuration ************************************************************/ diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt index b9db9f7817..5823f88406 100644 --- a/scripts/config_whitelist.txt +++ b/scripts/config_whitelist.txt @@ -2299,7 +2299,6 @@ CONFIG_SCSI_AHCI CONFIG_SCSI_AHCI_PLAT CONFIG_SCSI_DEV_ID CONFIG_SCSI_DEV_LIST -CONFIG_SCSI_SYM53C8XX CONFIG_SC_TIMER_CLK CONFIG_SDCARD CONFIG_SDRAM_BANK0 @@ -5422,7 +5421,6 @@ CONFIG_SYS_SCSI_MAX_DEVICE CONFIG_SYS_SCSI_MAX_LUN CONFIG_SYS_SCSI_MAX_SCSI_ID CONFIG_SYS_SCSI_SPIN_UP_TIME -CONFIG_SYS_SCSI_SYM53C8XX_CCF CONFIG_SYS_SDHC_CLK CONFIG_SYS_SDHC_CLK_2_PLL CONFIG_SYS_SDIO0