| /* |
| * (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) |
| # include "fpgadata_cpci4052.c" |
| #endif |
| }; |
| |
| /* |
| * include common fpga code (for esd boards) |
| */ |
| #include "../common/fpga.c" |
| |
| /* 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) |
| int 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)); |
| } |
| } |
| |
| return 0; |
| } |
| #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ |