diff options
Diffstat (limited to 'board/mpl/pati/cmd_pati.c')
| -rw-r--r-- | board/mpl/pati/cmd_pati.c | 433 |
1 files changed, 0 insertions, 433 deletions
diff --git a/board/mpl/pati/cmd_pati.c b/board/mpl/pati/cmd_pati.c deleted file mode 100644 index fcae5e0de6..0000000000 --- a/board/mpl/pati/cmd_pati.c +++ /dev/null @@ -1,433 +0,0 @@ -/* - * (C) Copyright 2001 - * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch - * - * SPDX-License-Identifier: GPL-2.0+ - * - * Adapted for PATI - */ - -#include <common.h> -#include <command.h> -#define PLX9056_LOC -#include "plx9056.h" -#include "pati.h" -#include "pci_eeprom.h" - -extern void show_pld_regs(void); -extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); - -extern void user_led0(int led_on); -extern void user_led1(int led_on); - -/* ------------------------------------------------------------------------- */ -#if defined(CONFIG_SYS_PCI_CON_DEVICE) -extern void pci_con_disc(void); -extern void pci_con_connect(void); -#endif - -/****************************************************************************** - * Eeprom Support - ******************************************************************************/ -unsigned long get32(unsigned long addr) -{ - unsigned long *p=(unsigned long *)addr; - return *p; -} - -void set32(unsigned long addr,unsigned long data) -{ - unsigned long *p=(unsigned long *)addr; - *p=data; -} - -#define PCICFG_GET_REG(x) (get32((x) + PCI_CONFIG_BASE)) -#define PCICFG_SET_REG(x,y) (set32((x) + PCI_CONFIG_BASE,(y))) - - -/****************************************************************************** - * reload_pci_eeprom - ******************************************************************************/ - -static void reload_pci_eeprom(void) -{ - unsigned long reg; - /* Set Bit 29 and clear it again */ - reg=PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT); - udelay(1); - /* set it*/ - reg|=(1<<29); - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg); - /* EECLK @ 33MHz = 125kHz - * -> extra long load = 32 * 16bit = 512Bit @ 125kHz = 4.1msec - * use 20msec - */ - udelay(20000); /* wait 20ms */ - reg &= ~(1<<29); /* set it low */ - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg); - udelay(1); /* wait some time */ -} - -/****************************************************************************** - * clock_pci_eeprom - ******************************************************************************/ - -static void clock_pci_eeprom(void) -{ - unsigned long reg; - /* clock is low, data is valid */ - reg=PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT); - udelay(1); - /* set clck high */ - reg|=(1<<24); - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg); - udelay(1); /* wait some time */ - reg &= ~(1<<24); /* set clock low */ - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg); - udelay(1); /* wait some time */ -} - -/****************************************************************************** - * send_pci_eeprom_cmd - ******************************************************************************/ -static void send_pci_eeprom_cmd(unsigned long cmd, unsigned char len) -{ - unsigned long reg; - int i; - reg=PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT); - /* Clear all EEPROM bits */ - reg &= ~(0xF << 24); - /* Toggle EEPROM's Chip select to get it out of Shift Register Mode */ - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg); - udelay(1); /* wait some time */ - /* Enable EEPROM Chip Select */ - reg |= (1 << 25); - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg); - /* Send EEPROM command - one bit at a time */ - for (i = (int)(len-1); i >= 0; i--) { - /* Check if current bit is 0 or 1 */ - if (cmd & (1 << i)) - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,(reg | (1<<26))); - else - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg); - clock_pci_eeprom(); - } -} - -/****************************************************************************** - * write_pci_eeprom_offs - ******************************************************************************/ -static void write_pci_eeprom_offs(unsigned short offset, unsigned short value) -{ - unsigned long reg; - int bitpos, cmdshft, cmdlen, timeout; - /* we're using the Eeprom 93CS66 */ - cmdshft = 2; - cmdlen = EE66_CMD_LEN; - /* Send Write_Enable command to EEPROM */ - send_pci_eeprom_cmd((EE_WREN << cmdshft),cmdlen); - /* Send EEPROM Write command and offset to EEPROM */ - send_pci_eeprom_cmd((EE_WRITE << cmdshft) | (offset / 2),cmdlen); - reg=PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT); - /* Clear all EEPROM bits */ - reg &= ~(0xF << 24); - /* Make sure EEDO Input is disabled for some PLX chips */ - reg &= ~(1 << 31); - /* Enable EEPROM Chip Select */ - reg |= (1 << 25); - /* Write 16-bit value to EEPROM - one bit at a time */ - for (bitpos = 15; bitpos >= 0; bitpos--) { - /* Get bit value and shift into result */ - if (value & (1 << bitpos)) - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,(reg | (1<<26))); - else - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg ); - clock_pci_eeprom(); - } /* for */ - /* Deselect Chip */ - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg & ~(1 << 25)); - /* Re-select Chip */ - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg | (1 << 25)); - /* A small delay is needed to let EEPROM complete */ - timeout = 0; - do { - udelay(10); - reg=PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT); - timeout++; - } while (((reg & (1 << 27)) == 0) && timeout < 20000); - /* Send Write_Disable command to EEPROM */ - send_pci_eeprom_cmd((EE_WDS << cmdshft),cmdlen); - /* Clear Chip Select and all other EEPROM bits */ - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg & ~(0xF << 24)); -} - - -/****************************************************************************** - * read_pci_eeprom_offs - ******************************************************************************/ -static void read_pci_eeprom_offs(unsigned short offset, unsigned short *pvalue) -{ - unsigned long reg; - int bitpos, cmdshft, cmdlen; - /* we're using the Eeprom 93CS66 */ - cmdshft = 2; - cmdlen = EE66_CMD_LEN; - /* Send EEPROM read command and offset to EEPROM */ - send_pci_eeprom_cmd((EE_READ << cmdshft) | (offset / 2),cmdlen); - /* Set EEPROM write output bit */ - reg=PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT); - /* Set EEDO Input enable */ - reg |= (1 << 31); - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg | (1 << 26)); - /* Get 16-bit value from EEPROM - one bit at a time */ - for (bitpos = 0; bitpos < 16; bitpos++) { - clock_pci_eeprom(); - udelay(10); - reg=PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT); - /* Get bit value and shift into result */ - if (reg & (1 << 27)) - *pvalue = (unsigned short)((*pvalue << 1) | 1); - else - *pvalue = (unsigned short)(*pvalue << 1); - } - /* Clear EEDO Input enable */ - reg &= ~(1 << 31); - /* Clear Chip Select and all other EEPROM bits */ - PCICFG_SET_REG(PCI9056_EEPROM_CTRL_STAT,reg & ~(0xF << 24)); -} - - -/****************************************************************************** - * EEPROM read/writes -******************************************************************************/ - -#undef EEPROM_DBG -static int pati_pci_eeprom_erase(void) -{ - int i; - printf("Erasing EEPROM "); - for( i=0; i < PATI_EEPROM_LAST_OFFSET; i+=2) { - write_pci_eeprom_offs(i,0xffff); - if((i%0x10)) - printf("."); - } - printf("\nDone\n"); - return 0; -} - -static int pati_pci_eeprom_prg(void) -{ - int i; - i=0; - printf("Programming EEPROM "); - while(pati_eeprom[i].offset<0xffff) { - write_pci_eeprom_offs(pati_eeprom[i].offset,pati_eeprom[i].value); - #ifdef EEPROM_DBG - printf("0x%04X: 0x%04X\n",pati_eeprom[i].offset, pati_eeprom[i].value); - #else - if((i%0x10)) - printf("."); - #endif - i++; - } - printf("\nDone\n"); - return 0; -} - -static int pati_pci_eeprom_write(unsigned short offset, unsigned long addr, unsigned short size) -{ - int i; - unsigned short value; - unsigned short *buffer =(unsigned short *)addr; - if((offset + size) > PATI_EEPROM_LAST_OFFSET) { - size = PATI_EEPROM_LAST_OFFSET - offset; - } - printf("Write To EEPROM from 0x%lX to 0x%X 0x%X words\n", addr, offset, size/2); - for( i = offset; i< (offset + size); i+=2) { - value = *buffer++; - write_pci_eeprom_offs(i,value); - #ifdef EEPROM_DBG - printf("0x%04X: 0x%04X\n",i, value); - #else - if((i%0x10)) - printf("."); - #endif - } - printf("\nDone\n"); - return 0; -} - -static int pati_pci_eeprom_read(unsigned short offset, unsigned long addr, unsigned short size) -{ - int i; - unsigned short value = 0; - unsigned short *buffer =(unsigned short *)addr; - if((offset + size) > PATI_EEPROM_LAST_OFFSET) { - size = PATI_EEPROM_LAST_OFFSET - offset; - } - printf("Read from EEPROM from 0x%X to 0x%lX 0x%X words\n", offset, addr, size/2); - for( i = offset; i< (offset + size); i+=2) { - read_pci_eeprom_offs(i,&value); - *buffer++=value; - #ifdef EEPROM_DBG - printf("0x%04X: 0x%04X\n",i, value); - #else - if((i%0x10)) - printf("."); - #endif - } - printf("\nDone\n"); - return 0; -} - -/****************************************************************************** - * PCI Bridge Registers Dump -*******************************************************************************/ -static void display_pci_regs(void) -{ - printf(" PCI9056_SPACE0_RANGE %08lX\n",PCICFG_GET_REG(PCI9056_SPACE0_RANGE)); - printf(" PCI9056_SPACE0_REMAP %08lX\n",PCICFG_GET_REG(PCI9056_SPACE0_REMAP)); - printf(" PCI9056_LOCAL_DMA_ARBIT %08lX\n",PCICFG_GET_REG(PCI9056_LOCAL_DMA_ARBIT)); - printf(" PCI9056_ENDIAN_DESC %08lX\n",PCICFG_GET_REG(PCI9056_ENDIAN_DESC)); - printf(" PCI9056_EXP_ROM_RANGE %08lX\n",PCICFG_GET_REG(PCI9056_EXP_ROM_RANGE)); - printf(" PCI9056_EXP_ROM_REMAP %08lX\n",PCICFG_GET_REG(PCI9056_EXP_ROM_REMAP)); - printf(" PCI9056_SPACE0_ROM_DESC %08lX\n",PCICFG_GET_REG(PCI9056_SPACE0_ROM_DESC)); - printf(" PCI9056_DM_RANGE %08lX\n",PCICFG_GET_REG(PCI9056_DM_RANGE)); - printf(" PCI9056_DM_MEM_BASE %08lX\n",PCICFG_GET_REG(PCI9056_DM_MEM_BASE)); - printf(" PCI9056_DM_IO_BASE %08lX\n",PCICFG_GET_REG(PCI9056_DM_IO_BASE)); - printf(" PCI9056_DM_PCI_MEM_REMAP %08lX\n",PCICFG_GET_REG(PCI9056_DM_PCI_MEM_REMAP)); - printf(" PCI9056_DM_PCI_IO_CONFIG %08lX\n",PCICFG_GET_REG(PCI9056_DM_PCI_IO_CONFIG)); - printf(" PCI9056_SPACE1_RANGE %08lX\n",PCICFG_GET_REG(PCI9056_SPACE1_RANGE)); - printf(" PCI9056_SPACE1_REMAP %08lX\n",PCICFG_GET_REG(PCI9056_SPACE1_REMAP)); - printf(" PCI9056_SPACE1_DESC %08lX\n",PCICFG_GET_REG(PCI9056_SPACE1_DESC)); - printf(" PCI9056_DM_DAC %08lX\n",PCICFG_GET_REG(PCI9056_DM_DAC)); - printf(" PCI9056_MAILBOX0 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX0)); - printf(" PCI9056_MAILBOX1 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX1)); - printf(" PCI9056_MAILBOX2 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX2)); - printf(" PCI9056_MAILBOX3 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX3)); - printf(" PCI9056_MAILBOX4 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX4)); - printf(" PCI9056_MAILBOX5 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX5)); - printf(" PCI9056_MAILBOX6 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX6)); - printf(" PCI9056_MAILBOX7 %08lX\n",PCICFG_GET_REG(PCI9056_MAILBOX7)); - printf(" PCI9056_PCI_TO_LOC_DBELL %08lX\n",PCICFG_GET_REG(PCI9056_PCI_TO_LOC_DBELL)); - printf(" PCI9056_LOC_TO_PCI_DBELL %08lX\n",PCICFG_GET_REG(PCI9056_LOC_TO_PCI_DBELL)); - printf(" PCI9056_INT_CTRL_STAT %08lX\n",PCICFG_GET_REG(PCI9056_INT_CTRL_STAT)); - printf(" PCI9056_EEPROM_CTRL_STAT %08lX\n",PCICFG_GET_REG(PCI9056_EEPROM_CTRL_STAT)); - printf(" PCI9056_PERM_VENDOR_ID %08lX\n",PCICFG_GET_REG(PCI9056_PERM_VENDOR_ID)); - printf(" PCI9056_REVISION_ID %08lX\n",PCICFG_GET_REG(PCI9056_REVISION_ID)); - printf(" \n"); - printf(" PCI9056_VENDOR_ID %08lX\n",PCICFG_GET_REG(PCI9056_VENDOR_ID)); - printf(" PCI9056_COMMAND %08lX\n",PCICFG_GET_REG(PCI9056_COMMAND)); - printf(" PCI9056_REVISION %08lX\n",PCICFG_GET_REG(PCI9056_REVISION)); - printf(" PCI9056_CACHE_SIZE %08lX\n",PCICFG_GET_REG(PCI9056_CACHE_SIZE)); - printf(" PCI9056_RTR_BASE %08lX\n",PCICFG_GET_REG(PCI9056_RTR_BASE)); - printf(" PCI9056_RTR_IO_BASE %08lX\n",PCICFG_GET_REG(PCI9056_RTR_IO_BASE)); - printf(" PCI9056_LOCAL_BASE0 %08lX\n",PCICFG_GET_REG(PCI9056_LOCAL_BASE0)); - printf(" PCI9056_LOCAL_BASE1 %08lX\n",PCICFG_GET_REG(PCI9056_LOCAL_BASE1)); - printf(" PCI9056_UNUSED_BASE1 %08lX\n",PCICFG_GET_REG(PCI9056_UNUSED_BASE1)); - printf(" PCI9056_UNUSED_BASE2 %08lX\n",PCICFG_GET_REG(PCI9056_UNUSED_BASE2)); - printf(" PCI9056_CIS_PTR %08lX\n",PCICFG_GET_REG(PCI9056_CIS_PTR)); - printf(" PCI9056_SUB_ID %08lX\n",PCICFG_GET_REG(PCI9056_SUB_ID)); - printf(" PCI9056_EXP_ROM_BASE %08lX\n",PCICFG_GET_REG(PCI9056_EXP_ROM_BASE)); - printf(" PCI9056_CAP_PTR %08lX\n",PCICFG_GET_REG(PCI9056_CAP_PTR)); - printf(" PCI9056_INT_LINE %08lX\n",PCICFG_GET_REG(PCI9056_INT_LINE)); - printf(" PCI9056_PM_CAP_ID %08lX\n",PCICFG_GET_REG(PCI9056_PM_CAP_ID)); - printf(" PCI9056_PM_CSR %08lX\n",PCICFG_GET_REG(PCI9056_PM_CSR)); - printf(" PCI9056_HS_CAP_ID %08lX\n",PCICFG_GET_REG(PCI9056_HS_CAP_ID)); - printf(" PCI9056_VPD_CAP_ID %08lX\n",PCICFG_GET_REG(PCI9056_VPD_CAP_ID)); - printf(" PCI9056_VPD_DATA %08lX\n",PCICFG_GET_REG(PCI9056_VPD_DATA)); -} - - -int do_pati(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - if (strcmp(argv[1], "info") == 0) - { - show_pld_regs(); - return 0; - } - if (strcmp(argv[1], "pci") == 0) - { - display_pci_regs(); - return 0; - } - if (strcmp(argv[1], "led") == 0) - { - int led_nr,led_on; - led_nr = (int)simple_strtoul(argv[2], NULL, 10); - led_on = (int)simple_strtoul(argv[3], NULL, 10); - if(!led_nr) - user_led0(led_on); - else - user_led1(led_on); - return 0; - } -#if defined(CONFIG_SYS_PCI_CON_DEVICE) - if (strcmp(argv[1], "con") == 0) { - pci_con_connect(); - return 0; - } - if (strcmp(argv[1], "disc") == 0) { - pci_con_disc(); - return 0; - } -#endif - if (strcmp(argv[1], "eeprom") == 0) { - unsigned long addr; - int size, offset; - offset = 0; - size = PATI_EEPROM_LAST_OFFSET; - if(argc>2) { - if(argc>3) { - addr = simple_strtoul(argv[3], NULL, 16); - if(argc>4) - offset = (int) simple_strtoul(argv[4], NULL, 16); - if(argc>5) - size = (int) simple_strtoul(argv[5], NULL, 16); - if (strcmp(argv[2], "read") == 0) { - return (pati_pci_eeprom_read(offset, addr, size)); - } - if (strcmp(argv[2], "write") == 0) { - return (pati_pci_eeprom_write(offset, addr, size)); - } - } - if (strcmp(argv[2], "prg") == 0) { - return (pati_pci_eeprom_prg()); - } - if (strcmp(argv[2], "era") == 0) { - return (pati_pci_eeprom_erase()); - } - if (strcmp(argv[2], "reload") == 0) { - reload_pci_eeprom(); - return 0; - } - - - } - } - - return (do_mplcommon(cmdtp, flag, argc, argv)); -} - -U_BOOT_CMD( - pati, 8, 1, do_pati, - "PATI specific Cmds", - "info - displays board information\n" - "pati pci - displays PCI registers\n" - "pati led <nr> <on> \n" - " - switch LED <nr> <on>\n" - "pati flash mem [SrcAddr]\n" - " - updates U-Boot with image in memory\n" - "pati eeprom <cmd> - PCI EEPROM sub-system\n" - " read <addr> <offset> <size>\n" - " - read PCI EEPROM to <addr> from <offset> <size> words\n" - " write <addr> <offset> <size>\n" - " - write PCI EEPROM from <addr> to <offset> <size> words\n" - " prg - programm PCI EEPROM with default values\n" - " era - erase PCI EEPROM (write all word to 0xffff)\n" - " reload- Reload PCI Bridge with EEPROM Values\n" - " NOTE: <addr> must start on word boundary\n" - " <offset> and <size> must be even byte values" -); - -/* ------------------------------------------------------------------------- */ |