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author | wdenk <wdenk> | 2002-11-03 00:24:07 (GMT) |
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committer | wdenk <wdenk> | 2002-11-03 00:24:07 (GMT) |
commit | c609719b8d1b2dca590e0ed499016d041203e403 (patch) | |
tree | 7ea1755d80903ff972f312a249eb856061d40e15 /board/esd/cpci405/cpci405.c | |
parent | 5b1d713721c3ea02549940133f09236783dda1f9 (diff) | |
download | u-boot-c609719b8d1b2dca590e0ed499016d041203e403.tar.xz |
Initial revision
Diffstat (limited to 'board/esd/cpci405/cpci405.c')
-rw-r--r-- | board/esd/cpci405/cpci405.c | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/board/esd/cpci405/cpci405.c b/board/esd/cpci405/cpci405.c new file mode 100644 index 0000000..2dda8fa --- /dev/null +++ b/board/esd/cpci405/cpci405.c @@ -0,0 +1,451 @@ +/* + * (C) Copyright 2001 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * 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 + */ + +#include <common.h> +#include <asm/processor.h> +#include <command.h> +#include <cmd_boot.h> +#include <malloc.h> + +/* ------------------------------------------------------------------------- */ + +#if 0 +#define FPGA_DEBUG +#endif + +/* fpga configuration data - generated by bin2cc */ +const unsigned char fpgadata[] = +{ +#ifdef CONFIG_CPCI405_VER2 +# include "fpgadata_cpci4052.c" +#else +# include "fpgadata_cpci405.c" +#endif +}; + +/* + * include common fpga code (for esd boards) + */ +#include "../common/fpga.c" + + +/* Prototypes */ +int version2(void); +int gunzip(void *, int, unsigned char *, int *); + + +int board_pre_init (void) +{ +#ifndef CONFIG_CPCI405_VER2 + int index, len, i; + int status; +#endif + +#ifdef FPGA_DEBUG + DECLARE_GLOBAL_DATA_PTR; + + /* set up serial port with default baudrate */ + (void) get_clocks (); + gd->baudrate = CONFIG_BAUDRATE; + serial_init (); + console_init_f(); +#endif + + /* + * First pull fpga-prg pin low, to disable fpga logic (on version 2 board) + */ + out32(IBM405GP_GPIO0_ODR, 0x00000000); /* no open drain pins */ + out32(IBM405GP_GPIO0_TCR, CFG_FPGA_PRG); /* setup for output */ + out32(IBM405GP_GPIO0_OR, CFG_FPGA_PRG); /* set output pins to high */ + out32(IBM405GP_GPIO0_OR, 0); /* pull prg low */ + + /* + * Boot onboard FPGA + */ +#ifndef CONFIG_CPCI405_VER2 + if (!version2()) { + status = fpga_boot((unsigned char *)fpgadata, sizeof(fpgadata)); + if (status != 0) { + /* booting FPGA failed */ +#ifndef FPGA_DEBUG + DECLARE_GLOBAL_DATA_PTR; + + /* set up serial port with default baudrate */ + (void) get_clocks (); + gd->baudrate = CONFIG_BAUDRATE; + serial_init (); + console_init_f(); +#endif + printf("\nFPGA: Booting failed "); + switch (status) { + case ERROR_FPGA_PRG_INIT_LOW: + printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_INIT_HIGH: + printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_DONE: + printf("(Timeout: DONE not high after programming FPGA)\n "); + break; + } + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = fpgadata[index]; + printf("FPGA: %s\n", &(fpgadata[index+1])); + index += len+3; + } + putc ('\n'); + /* delayed reboot */ + for (i=20; i>0; i--) { + printf("Rebooting in %2d seconds \r",i); + for (index=0;index<1000;index++) + udelay(1000); + } + putc ('\n'); + do_reset(NULL, 0, 0, NULL); + } + } +#endif /* !CONFIG_CPCI405_VER2 */ + + /* + * IRQ 0-15 405GP internally generated; active high; level sensitive + * IRQ 16 405GP internally generated; active low; level sensitive + * IRQ 17-24 RESERVED + * IRQ 25 (EXT IRQ 0) CAN0; active low; level sensitive + * IRQ 26 (EXT IRQ 1) CAN1 (+FPGA on CPCI4052) ; active low; level sensitive + * IRQ 27 (EXT IRQ 2) PCI SLOT 0; active low; level sensitive + * IRQ 28 (EXT IRQ 3) PCI SLOT 1; active low; level sensitive + * IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive + * IRQ 30 (EXT IRQ 5) PCI SLOT 3; active low; level sensitive + * IRQ 31 (EXT IRQ 6) COMPACT FLASH; active high; level sensitive + */ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); /* set all to be non-critical*/ + mtdcr(uicpr, 0xFFFFFF81); /* set int polarities */ + mtdcr(uictr, 0x10000000); /* set int trigger levels */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority*/ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + + return 0; +} + + +/* ------------------------------------------------------------------------- */ + +int ctermm2(void) +{ +#ifdef CONFIG_CPCI405_VER2 + return 0; /* no, board is cpci405 */ +#else + if ((*(unsigned char *)0xf0000400 == 0x00) && + (*(unsigned char *)0xf0000401 == 0x01)) + return 0; /* no, board is cpci405 */ + else + return -1; /* yes, board is cterm-m2 */ +#endif +} + + +int cpci405_host(void) +{ + if (mfdcr(strap) & PSR_PCI_ARBIT_EN) + return -1; /* yes, board is cpci405 host */ + else + return 0; /* no, board is cpci405 adapter */ +} + + +int version2(void) +{ + unsigned long cntrl0Reg; + unsigned long value; + + /* + * Setup GPIO pins (CS2/GPIO11 as GPIO) + */ + cntrl0Reg = mfdcr(cntrl0); + mtdcr(cntrl0, cntrl0Reg | 0x02000000); + + udelay(1000); /* wait some time before reading input */ + value = in32(IBM405GP_GPIO0_IR) & 0x00100000; /* test GPIO11 */ + + /* + * Setup GPIO pins (CS2/GPIO11 as CS again) + */ + mtdcr(cntrl0, cntrl0Reg); + + if (value) + return 0; /* no, board is version 1.x */ + else + return -1; /* yes, board is version 2.x */ +} + + +int misc_init_f (void) +{ + return 0; /* dummy implementation */ +} + + +int misc_init_r (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + bd_t *bd = gd->bd; + char * tmp; /* Temporary char pointer */ + +#ifdef CONFIG_CPCI405_VER2 + unsigned char *dst; + ulong len = sizeof(fpgadata); + int status; + int index; + int i; + unsigned long cntrl0Reg; + + /* + * On CPCI-405 version 2 the environment is saved in eeprom! + * FPGA can be gzip compressed (malloc) and booted this late. + */ + + if (version2()) { + /* + * Setup GPIO pins (CS6+CS7 as GPIO) + */ + cntrl0Reg = mfdcr(cntrl0); + mtdcr(cntrl0, cntrl0Reg | 0x00300000); + + dst = malloc(CFG_FPGA_MAX_SIZE); + if (gunzip (dst, CFG_FPGA_MAX_SIZE, (uchar *)fpgadata, (int *)&len) != 0) { + printf ("GUNZIP ERROR - must RESET board to recover\n"); + do_reset (NULL, 0, 0, NULL); + } + + status = fpga_boot(dst, len); + if (status != 0) { + printf("\nFPGA: Booting failed "); + switch (status) { + case ERROR_FPGA_PRG_INIT_LOW: + printf("(Timeout: INIT not low after asserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_INIT_HIGH: + printf("(Timeout: INIT not high after deasserting PROGRAM*)\n "); + break; + case ERROR_FPGA_PRG_DONE: + printf("(Timeout: DONE not high after programming FPGA)\n "); + break; + } + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("FPGA: %s\n", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + /* delayed reboot */ + for (i=20; i>0; i--) { + printf("Rebooting in %2d seconds \r",i); + for (index=0;index<1000;index++) + udelay(1000); + } + putc ('\n'); + do_reset(NULL, 0, 0, NULL); + } + + /* restore gpio/cs settings */ + mtdcr(cntrl0, cntrl0Reg); + + puts("FPGA: "); + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = dst[index]; + printf("%s ", &(dst[index+1])); + index += len+3; + } + putc ('\n'); + + free(dst); + } + else { + printf("\n*** U-Boot Version does not match Board Version!\n"); + printf("*** CPCI-405 Version 2.x detected!\n"); + printf("*** Please use correct U-Boot version (CPCI4052)!\n\n"); + } + +#else /* CONFIG_CPCI405_VER2 */ + + /* + * Generate last byte of ip-addr from code-plug @ 0xf0000400 + */ + if (ctermm2()) { + char str[32]; + unsigned char ipbyte = *(unsigned char *)0xf0000400; + + /* + * Only overwrite ip-addr with allowed values + */ + if ((ipbyte != 0x00) && (ipbyte != 0xff)) { + bd->bi_ip_addr = (bd->bi_ip_addr & 0xffffff00) | ipbyte; + sprintf(str, "%ld.%ld.%ld.%ld", + (bd->bi_ip_addr & 0xff000000) >> 24, + (bd->bi_ip_addr & 0x00ff0000) >> 16, + (bd->bi_ip_addr & 0x0000ff00) >> 8, + (bd->bi_ip_addr & 0x000000ff)); + setenv("ipaddr", str); + } + } + + if (version2()) { + printf("\n*** U-Boot Version does not match Board Version!\n"); + printf("*** CPCI-405 Board Version 1.x detected!\n"); + printf("*** Please use correct U-Boot version (CPCI405)!\n\n"); + } + +#endif /* CONFIG_CPCI405_VER2 */ + + /* + * Write ethernet addr in NVRAM for VxWorks + */ + tmp = (char *)CFG_NVRAM_BASE_ADDR + CFG_NVRAM_VXWORKS_OFFS; + memcpy( (char *)tmp, (char *)&bd->bi_enetaddr[0], 6 ); + return (0); +} + + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ +#ifndef CONFIG_CPCI405_VER2 + int index; + int len; +#endif + unsigned char str[64]; + int i = getenv_r ("serial#", str, sizeof(str)); + + puts ("Board: "); + + if (i == -1) { + puts ("### No HW ID - assuming CPCI405"); + } else { + puts(str); + } + + if (version2()) + puts (" (Ver 2.x, "); + else + puts (" (Ver 1.x, "); + +#if 0 + if ((*(unsigned short *)((unsigned long)CFG_FPGA_BASE_ADDR) + CFG_FPGA_STATUS) + & CFG_FPGA_STATUS_FLASH) + puts ("FLASH Bank A, "); + else + puts ("FLASH Bank B, "); +#endif + + if (ctermm2()) { + printf("CTERM-M2 - Id=0x%02x)", *(unsigned char *)0xf0000400); + } else { + if (cpci405_host()) { + puts ("PCI Host Version)"); + } else { + puts ("PCI Adapter Version)"); + } + } + +#ifndef CONFIG_CPCI405_VER2 + puts ("\nFPGA: "); + + /* display infos on fpgaimage */ + index = 15; + for (i=0; i<4; i++) { + len = fpgadata[index]; + printf("%s ", &(fpgadata[index+1])); + index += len+3; + } +#endif + + putc ('\n'); + + return 0; +} + +/* ------------------------------------------------------------------------- */ + +long int initdram (int board_type) +{ + unsigned long val; + + mtdcr(memcfga, mem_mb0cf); + val = mfdcr(memcfgd); + +#if 0 + printf("\nmb0cf=%x\n", val); /* test-only */ + printf("strap=%x\n", mfdcr(strap)); /* test-only */ +#endif + + return (4*1024*1024 << ((val & 0x000e0000) >> 17)); +} + +/* ------------------------------------------------------------------------- */ + +int testdram (void) +{ + /* TODO: XXX XXX XXX */ + printf ("test: 16 MB - ok\n"); + + return (0); +} + +/* ------------------------------------------------------------------------- */ + +#ifdef CONFIG_CPCI405_VER2 +#ifdef CONFIG_IDE_RESET + +void ide_set_reset(int on) +{ + volatile unsigned short *fpga_mode = (unsigned short *)CFG_FPGA_BASE_ADDR; + + /* + * Assert or deassert CompactFlash Reset Pin + */ + if (on) { /* assert RESET */ + *fpga_mode &= ~(CFG_FPGA_MODE_CF_RESET); + } else { /* release RESET */ + *fpga_mode |= CFG_FPGA_MODE_CF_RESET; + } +} + +#endif /* CONFIG_IDE_RESET */ +#endif /* CONFIG_CPCI405_VER2 */ + +/* ------------------------------------------------------------------------- */ |