diff options
Diffstat (limited to 'roms/u-boot/board/esd/cpci405/cpci405.c')
-rw-r--r-- | roms/u-boot/board/esd/cpci405/cpci405.c | 767 |
1 files changed, 767 insertions, 0 deletions
diff --git a/roms/u-boot/board/esd/cpci405/cpci405.c b/roms/u-boot/board/esd/cpci405/cpci405.c new file mode 100644 index 00000000..63cd862d --- /dev/null +++ b/roms/u-boot/board/esd/cpci405/cpci405.c @@ -0,0 +1,767 @@ +/* + * (C) Copyright 2001-2003 + * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ +#include <common.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <command.h> +#include <malloc.h> +#include <net.h> +#include <pci.h> + +DECLARE_GLOBAL_DATA_PTR; + +extern void __ft_board_setup(void *blob, bd_t *bd); + +#undef FPGA_DEBUG + +/* fpga configuration data - generated by bin2cc */ +const unsigned char fpgadata[] = +{ +#if defined(CONFIG_CPCI405_VER2) +# if defined(CONFIG_CPCI405AB) +# include "fpgadata_cpci405ab.c" +# else +# include "fpgadata_cpci4052.c" +# endif +#else +# include "fpgadata_cpci405.c" +#endif +}; + +/* + * include common fpga code (for esd boards) + */ +#include "../common/fpga.c" +#include "../common/auto_update.h" + +#if defined(CONFIG_CPCI405AB) +au_image_t au_image[] = { + {"cpci405ab/preinst.img", 0, -1, AU_SCRIPT}, + {"cpci405ab/pImage", 0xffc00000, 0x000c0000, AU_NOR}, + {"cpci405ab/pImage.initrd", 0xffcc0000, 0x00300000, AU_NOR}, + {"cpci405ab/u-boot.img", 0xfffc0000, 0x00040000, AU_FIRMWARE}, + {"cpci405ab/postinst.img", 0, 0, AU_SCRIPT}, +}; +#else +#if defined(CONFIG_CPCI405_VER2) +au_image_t au_image[] = { + {"cpci4052/preinst.img", 0, -1, AU_SCRIPT}, + {"cpci4052/pImage", 0xffc00000, 0x000c0000, AU_NOR}, + {"cpci4052/pImage.initrd", 0xffcc0000, 0x00300000, AU_NOR}, + {"cpci4052/u-boot.img", 0xfffc0000, 0x00040000, AU_FIRMWARE}, + {"cpci4052/postinst.img", 0, 0, AU_SCRIPT}, +}; +#else +au_image_t au_image[] = { + {"cpci405/preinst.img", 0, -1, AU_SCRIPT}, + {"cpci405/pImage", 0xffc00000, 0x000c0000, AU_NOR}, + {"cpci405/pImage.initrd", 0xffcc0000, 0x00310000, AU_NOR}, + {"cpci405/u-boot.img", 0xfffd0000, 0x00030000, AU_FIRMWARE}, + {"cpci405/postinst.img", 0, 0, AU_SCRIPT}, +}; +#endif +#endif + +int N_AU_IMAGES = (sizeof(au_image) / sizeof(au_image[0])); + +/* Prototypes */ +int cpci405_version(void); +void lxt971_no_sleep(void); + +int board_early_init_f(void) +{ +#ifndef CONFIG_CPCI405_VER2 + int index, len, i; + int status; +#endif + +#ifdef FPGA_DEBUG + /* 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) + */ + out_be32((void *)GPIO0_ODR, 0x00000000); /* no open drain pins */ + out_be32((void *)GPIO0_TCR, CONFIG_SYS_FPGA_PRG); /* setup for output */ + out_be32((void *)GPIO0_OR, CONFIG_SYS_FPGA_PRG); /* set output pins to high */ + out_be32((void *)GPIO0_OR, 0); /* pull prg low */ + + /* + * Boot onboard FPGA + */ +#ifndef CONFIG_CPCI405_VER2 + if (cpci405_version() == 1) { + status = fpga_boot((unsigned char *)fpgadata, sizeof(fpgadata)); + if (status != 0) { + /* booting FPGA failed */ +#ifndef FPGA_DEBUG + /* 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 sens. + * 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(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + mtdcr(UIC0ER, 0x00000000); /* disable all ints */ + mtdcr(UIC0CR, 0x00000000); /* set all to be non-critical*/ +#if defined(CONFIG_CPCI405_6U) + if (cpci405_version() == 3) { + mtdcr(UIC0PR, 0xFFFFFF99); /* set int polarities */ + } else { + mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */ + } +#else + mtdcr(UIC0PR, 0xFFFFFF81); /* set int polarities */ +#endif + mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ + mtdcr(UIC0VCR, 0x00000001); /* set vect base=0, + * INT0 highest priority */ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + + return 0; +} + +int ctermm2(void) +{ +#if defined(CONFIG_CPCI405_VER2) + return 0; /* no, board is cpci405 */ +#else + if ((in_8((void*)0xf0000400) == 0x00) && + (in_8((void*)0xf0000401) == 0x01)) + return 0; /* no, board is cpci405 */ + else + return -1; /* yes, board is cterm-m2 */ +#endif +} + +int cpci405_host(void) +{ + if (mfdcr(CPC0_PSR) & PSR_PCI_ARBIT_EN) + return -1; /* yes, board is cpci405 host */ + else + return 0; /* no, board is cpci405 adapter */ +} + +int cpci405_version(void) +{ + unsigned long CPC0_CR0Reg; + unsigned long value; + + /* + * Setup GPIO pins (CS2/GPIO11 and CS3/GPIO12 as GPIO) + */ + CPC0_CR0Reg = mfdcr(CPC0_CR0); + mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x03000000); + out_be32((void*)GPIO0_ODR, in_be32((void*)GPIO0_ODR) & ~0x00180000); + out_be32((void*)GPIO0_TCR, in_be32((void*)GPIO0_TCR) & ~0x00180000); + udelay(1000); /* wait some time before reading input */ + value = in_be32((void*)GPIO0_IR) & 0x00180000; /* get config bits */ + + /* + * Restore GPIO settings + */ + mtdcr(CPC0_CR0, CPC0_CR0Reg); + + switch (value) { + case 0x00180000: + /* CS2==1 && CS3==1 -> version 1 */ + return 1; + case 0x00080000: + /* CS2==0 && CS3==1 -> version 2 */ + return 2; + case 0x00100000: + /* CS2==1 && CS3==0 -> version 3 or 6U board */ + return 3; + case 0x00000000: + /* CS2==0 && CS3==0 -> version 4 */ + return 4; + default: + /* should not be reached! */ + return 2; + } +} + +int misc_init_r (void) +{ + unsigned long CPC0_CR0Reg; + + /* adjust flash start and offset */ + gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; + gd->bd->bi_flashoffset = 0; + +#if defined(CONFIG_CPCI405_VER2) + { + unsigned char *dst; + ulong len = sizeof(fpgadata); + int status; + int index; + int i; + + /* + * On CPCI-405 version 2 the environment is saved in eeprom! + * FPGA can be gzip compressed (malloc) and booted this late. + */ + if (cpci405_version() >= 2) { + /* + * Setup GPIO pins (CS6+CS7 as GPIO) + */ + CPC0_CR0Reg = mfdcr(CPC0_CR0); + mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00300000); + + dst = malloc(CONFIG_SYS_FPGA_MAX_SIZE); + if (gunzip(dst, CONFIG_SYS_FPGA_MAX_SIZE, + (uchar *)fpgadata, &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(CPC0_CR0, CPC0_CR0Reg); + + 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); + + /* + * Reset FPGA via FPGA_DATA pin + */ + SET_FPGA(FPGA_PRG | FPGA_CLK); + udelay(1000); /* wait 1ms */ + SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); + udelay(1000); /* wait 1ms */ + +#if defined(CONFIG_CPCI405_6U) +#error HIER GETH ES WEITER MIT IO ACCESSORS + if (cpci405_version() == 3) { + /* + * Enable outputs in fpga on version 3 board + */ + out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, + in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) | + CONFIG_SYS_FPGA_MODE_ENABLE_OUTPUT); + + /* + * Set outputs to 0 + */ + out_8((void*)CONFIG_SYS_LED_ADDR, 0x00); + + /* + * Reset external DUART + */ + out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, + in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) | + CONFIG_SYS_FPGA_MODE_DUART_RESET); + udelay(100); + out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, + in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) & + ~CONFIG_SYS_FPGA_MODE_DUART_RESET); + } +#endif + } + else { + puts("\n*** U-Boot Version does not match Board Version!\n"); + puts("*** CPCI-405 Version 1.x detected!\n"); + puts("*** Please use correct U-Boot version " + "(CPCI405 instead of CPCI4052)!\n\n"); + } + } +#else /* CONFIG_CPCI405_VER2 */ + if (cpci405_version() >= 2) { + puts("\n*** U-Boot Version does not match Board Version!\n"); + puts("*** CPCI-405 Board Version 2.x detected!\n"); + puts("*** Please use correct U-Boot version " + "(CPCI4052 instead of CPCI405)!\n\n"); + } +#endif /* CONFIG_CPCI405_VER2 */ + + /* + * Select cts (and not dsr) on uart1 + */ + CPC0_CR0Reg = mfdcr(CPC0_CR0); + mtdcr(CPC0_CR0, CPC0_CR0Reg | 0x00001000); + + return 0; +} + +/* + * Check Board Identity: + */ + +int checkboard(void) +{ +#ifndef CONFIG_CPCI405_VER2 + int index; + int len; +#endif + char str[64]; + int i = getenv_f("serial#", str, sizeof(str)); + unsigned short ver; + + puts("Board: "); + + if (i == -1) + puts("### No HW ID - assuming CPCI405"); + else + puts(str); + + ver = cpci405_version(); + printf(" (Ver %d.x, ", ver); + + if (ctermm2()) { + char str[4]; + + /* + * Read board-id and save in env-variable + */ + sprintf(str, "%d", *(unsigned char *)0xf0000400); + setenv("boardid", str); + printf("CTERM-M2 - Id=%s)", str); + } 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; +} + +void reset_phy(void) +{ +#if defined(CONFIG_LXT971_NO_SLEEP) + + /* + * Disable sleep mode in LXT971 + */ + lxt971_no_sleep(); +#endif +} + +#if defined(CONFIG_CPCI405_VER2) && defined (CONFIG_IDE_RESET) +void ide_set_reset(int on) +{ + /* + * Assert or deassert CompactFlash Reset Pin + */ + if (on) { /* assert RESET */ + out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, + in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) & + ~CONFIG_SYS_FPGA_MODE_CF_RESET); + } else { /* release RESET */ + out_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR, + in_be16((void*)CONFIG_SYS_FPGA_BASE_ADDR) | + CONFIG_SYS_FPGA_MODE_CF_RESET); + } +} + +#endif /* CONFIG_IDE_RESET && CONFIG_CPCI405_VER2 */ + +#if defined(CONFIG_PCI) +void cpci405_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +{ + unsigned char int_line = 0xff; + + /* + * Write pci interrupt line register (cpci405 specific) + */ + switch (PCI_DEV(dev) & 0x03) { + case 0: + int_line = 27 + 2; + break; + case 1: + int_line = 27 + 3; + break; + case 2: + int_line = 27 + 0; + break; + case 3: + int_line = 27 + 1; + break; + } + + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, int_line); +} + +int pci_pre_init(struct pci_controller *hose) +{ + hose->fixup_irq = cpci405_pci_fixup_irq; + return 1; +} +#endif /* defined(CONFIG_PCI) */ + +#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + int rc; + + __ft_board_setup(blob, bd); + + /* + * Disable PCI in adapter mode. + */ + if (!cpci405_host()) { + rc = fdt_find_and_setprop(blob, "/plb/pci@ec000000", "status", + "disabled", sizeof("disabled"), 1); + if (rc) { + printf("Unable to update property status in PCI node, " + "err=%s\n", + fdt_strerror(rc)); + } + } +} +#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ + +#if defined(CONFIG_CPCI405AB) +#define ONE_WIRE_CLEAR out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ + CONFIG_SYS_FPGA_MODE), \ + in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ + CONFIG_SYS_FPGA_MODE)) | \ + CONFIG_SYS_FPGA_MODE_1WIRE_DIR) + +#define ONE_WIRE_SET out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ + CONFIG_SYS_FPGA_MODE), \ + in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ + CONFIG_SYS_FPGA_MODE)) & \ + ~CONFIG_SYS_FPGA_MODE_1WIRE_DIR) + +#define ONE_WIRE_GET (in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + \ + CONFIG_SYS_FPGA_STATUS)) & \ + CONFIG_SYS_FPGA_MODE_1WIRE) + +/* + * Generate a 1-wire reset, return 1 if no presence detect was found, + * return 0 otherwise. + * (NOTE: Does not handle alarm presence from DS2404/DS1994) + */ +int OWTouchReset(void) +{ + int result; + + ONE_WIRE_CLEAR; + udelay(480); + ONE_WIRE_SET; + udelay(70); + + result = ONE_WIRE_GET; + + udelay(410); + return result; +} + +/* + * Send 1 a 1-wire write bit. + * Provide 10us recovery time. + */ +void OWWriteBit(int bit) +{ + if (bit) { + /* + * write '1' bit + */ + ONE_WIRE_CLEAR; + udelay(6); + ONE_WIRE_SET; + udelay(64); + } else { + /* + * write '0' bit + */ + ONE_WIRE_CLEAR; + udelay(60); + ONE_WIRE_SET; + udelay(10); + } +} + +/* + * Read a bit from the 1-wire bus and return it. + * Provide 10us recovery time. + */ +int OWReadBit(void) +{ + int result; + + ONE_WIRE_CLEAR; + udelay(6); + ONE_WIRE_SET; + udelay(9); + + result = ONE_WIRE_GET; + + udelay(55); + return result; +} + +void OWWriteByte(int data) +{ + int loop; + + for (loop = 0; loop < 8; loop++) { + OWWriteBit(data & 0x01); + data >>= 1; + } +} + +int OWReadByte(void) +{ + int loop, result = 0; + + for (loop = 0; loop < 8; loop++) { + result >>= 1; + if (OWReadBit()) + result |= 0x80; + } + + return result; +} + +int do_onewire(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + unsigned short val; + int result; + int i; + unsigned char ow_id[6]; + char str[32]; + + /* + * Clear 1-wire bit (open drain with pull-up) + */ + val = in_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + + CONFIG_SYS_FPGA_MODE)); + val &= ~CONFIG_SYS_FPGA_MODE_1WIRE; /* clear 1-wire bit */ + out_be16((void*)(CONFIG_SYS_FPGA_BASE_ADDR + + CONFIG_SYS_FPGA_MODE), val); + + result = OWTouchReset(); + if (result != 0) + puts("No 1-wire device detected!\n"); + + OWWriteByte(0x33); /* send read rom command */ + OWReadByte(); /* skip family code ( == 0x01) */ + for (i = 0; i < 6; i++) + ow_id[i] = OWReadByte(); + OWReadByte(); /* read crc */ + + sprintf(str, "%02X%02X%02X%02X%02X%02X", + ow_id[0], ow_id[1], ow_id[2], ow_id[3], ow_id[4], ow_id[5]); + printf("Setting environment variable 'ow_id' to %s\n", str); + setenv("ow_id", str); + + return 0; +} +U_BOOT_CMD( + onewire, 1, 1, do_onewire, + "Read 1-write ID", + "" +); + +#define CONFIG_SYS_I2C_EEPROM_ADDR_2 0x51 /* EEPROM CAT24WC32 */ +#define CONFIG_ENV_SIZE_2 0x800 /* 2048 bytes may be used for env vars */ + +/* + * Write backplane ip-address... + */ +int do_get_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + char *buf; + ulong crc; + char str[32]; + char *ptr; + IPaddr_t ipaddr; + + buf = malloc(CONFIG_ENV_SIZE_2); + if (eeprom_read(CONFIG_SYS_I2C_EEPROM_ADDR_2, 0, + (uchar *)buf, CONFIG_ENV_SIZE_2)) + puts("\nError reading backplane EEPROM!\n"); + else { + crc = crc32(0, (uchar *)(buf+4), CONFIG_ENV_SIZE_2 - 4); + if (crc != *(ulong *)buf) { + printf("ERROR: crc mismatch %08lx %08lx\n", + crc, *(ulong *)buf); + return -1; + } + + /* + * Find bp_ip + */ + ptr = strstr(buf+4, "bp_ip="); + if (ptr == NULL) { + printf("ERROR: bp_ip not found!\n"); + return -1; + } + ptr += 6; + ipaddr = string_to_ip(ptr); + + /* + * Update whole ip-addr + */ + sprintf(str, "%pI4", &ipaddr); + setenv("ipaddr", str); + printf("Updated ip_addr from bp_eeprom to %s!\n", str); + } + + free(buf); + + return 0; +} +U_BOOT_CMD( + getbpip, 1, 1, do_get_bpip, + "Update IP-Address with Backplane IP-Address", + "" +); + +/* + * Set and print backplane ip... + */ +int do_set_bpip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + char *buf; + char str[32]; + ulong crc; + + if (argc < 2) { + puts("ERROR!\n"); + return -1; + } + + printf("Setting bp_ip to %s\n", argv[1]); + buf = malloc(CONFIG_ENV_SIZE_2); + memset(buf, 0, CONFIG_ENV_SIZE_2); + sprintf(str, "bp_ip=%s", argv[1]); + strcpy(buf+4, str); + crc = crc32(0, (uchar *)(buf+4), CONFIG_ENV_SIZE_2 - 4); + *(ulong *)buf = crc; + + if (eeprom_write(CONFIG_SYS_I2C_EEPROM_ADDR_2, + 0, (uchar *)buf, CONFIG_ENV_SIZE_2)) + puts("\nError writing backplane EEPROM!\n"); + + free(buf); + + return 0; +} +U_BOOT_CMD( + setbpip, 2, 1, do_set_bpip, + "Write Backplane IP-Address", + "" +); + +#endif /* CONFIG_CPCI405AB */ |