diff options
Diffstat (limited to 'board/esd/plu405/plu405.c')
-rw-r--r-- | board/esd/plu405/plu405.c | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/board/esd/plu405/plu405.c b/board/esd/plu405/plu405.c deleted file mode 100644 index 03bf9c8fe5c..00000000000 --- a/board/esd/plu405/plu405.c +++ /dev/null @@ -1,345 +0,0 @@ -/* - * (C) Copyright 2001-2003 - * Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/processor.h> -#include <asm/io.h> -#include <command.h> -#include <malloc.h> -#include <sja1000.h> - -#undef FPGA_DEBUG - -DECLARE_GLOBAL_DATA_PTR; - -extern void lxt971_no_sleep(void); - -/* fpga configuration data - gzip compressed and generated by bin2c */ -const unsigned char fpgadata[] = -{ -#include "fpgadata.c" -}; - -/* - * include common fpga code (for esd boards) - */ -#include "../common/fpga.c" - -/* - * generate a short spike on the CAN tx line - * to bring the couplers in sync - */ -void init_coupler(u32 addr) -{ - struct sja1000_basic_s *ctrl = (struct sja1000_basic_s *)addr; - - /* reset */ - out_8(&ctrl->cr, CR_RR); - - /* dominant */ - out_8(&ctrl->btr0, 0x00); /* btr setup is required */ - out_8(&ctrl->btr1, 0x14); /* we use 1Mbit/s */ - out_8(&ctrl->oc, OC_TP1 | OC_TN1 | OC_POL1 | - OC_TP0 | OC_TN0 | OC_POL0 | OC_MODE1); - out_8(&ctrl->cr, 0x00); - - /* delay */ - in_8(&ctrl->cr); - in_8(&ctrl->cr); - in_8(&ctrl->cr); - in_8(&ctrl->cr); - - /* reset */ - out_8(&ctrl->cr, CR_RR); -} - -int board_early_init_f(void) -{ - /* - * 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) SER0 ; active low; level sensitive - * IRQ 27 (EXT IRQ 2) SER1; active low; level sensitive - * IRQ 28 (EXT IRQ 3) FPGA 0; active low; level sensitive - * IRQ 29 (EXT IRQ 4) FPGA 1; active low; level sensitive - * IRQ 30 (EXT IRQ 5) PCI INTA; 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*/ - mtdcr(UIC0PR, 0xFFFFFF99); /* set int polarities */ - mtdcr(UIC0TR, 0x10000000); /* set int trigger levels */ - mtdcr(UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest prio */ - mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ - - /* - * EBC Configuration Register: set ready timeout to - * 512 ebc-clks -> ca. 15 us - */ - mtebc(EBC0_CFG, 0xa8400000); /* ebc always driven */ - - return 0; -} - -int misc_init_r(void) -{ - unsigned char *dst; - unsigned char fctr; - ulong len = sizeof(fpgadata); - int status; - int index; - int i; - - /* adjust flash start and offset */ - gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; - gd->bd->bi_flashoffset = 0; - - 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); - } - - 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 */ - - /* - * Reset external DUARTs - */ - out_be32((void*)GPIO0_OR, - in_be32((void*)GPIO0_OR) | CONFIG_SYS_DUART_RST); - udelay(10); - out_be32((void*)GPIO0_OR, - in_be32((void*)GPIO0_OR) & ~CONFIG_SYS_DUART_RST); - udelay(1000); - - /* - * Set NAND-FLASH GPIO signals to default - */ - out_be32((void*)GPIO0_OR, - in_be32((void*)GPIO0_OR) & - ~(CONFIG_SYS_NAND_CLE | CONFIG_SYS_NAND_ALE)); - out_be32((void*)GPIO0_OR, - in_be32((void*)GPIO0_OR) | CONFIG_SYS_NAND_CE); - - /* - * Setup EEPROM write protection - */ - out_be32((void*)GPIO0_OR, - in_be32((void*)GPIO0_OR) | CONFIG_SYS_EEPROM_WP); - out_be32((void*)GPIO0_TCR, - in_be32((void*)GPIO0_TCR) | CONFIG_SYS_EEPROM_WP); - - /* - * Enable interrupts in exar duart mcr[3] - */ - out_8((void *)DUART0_BA + 4, 0x08); - out_8((void *)DUART1_BA + 4, 0x08); - - /* - * Enable auto RS485 mode in 2nd external uart - */ - out_8((void *)DUART1_BA + 3, 0xbf); /* write LCR */ - fctr = in_8((void *)DUART1_BA + 1); /* read FCTR */ - fctr |= 0x08; /* enable RS485 mode */ - out_8((void *)DUART1_BA + 1, fctr); /* write FCTR */ - out_8((void *)DUART1_BA + 3, 0); /* write LCR */ - - /* - * Init magnetic couplers - */ - if (!getenv("noinitcoupler")) { - init_coupler(CAN0_BA); - init_coupler(CAN1_BA); - } - return 0; -} - -/* - * Check Board Identity: - */ -int checkboard(void) -{ - char str[64]; - int i = getenv_f("serial#", str, sizeof(str)); - - puts("Board: "); - - if (i == -1) - puts("### No HW ID - assuming PLU405"); - else - puts(str); - - putc('\n'); - return 0; -} - -#ifdef CONFIG_IDE_RESET -#define FPGA_CTRL (CONFIG_SYS_FPGA_BASE_ADDR + CONFIG_SYS_FPGA_CTRL) -void ide_set_reset(int on) -{ - /* - * Assert or deassert CompactFlash Reset Pin - */ - if (on) { /* assert RESET */ - out_be16((void *)FPGA_CTRL, - in_be16((void *)FPGA_CTRL) & - ~CONFIG_SYS_FPGA_CTRL_CF_RESET); - } else { /* release RESET */ - out_be16((void *)FPGA_CTRL, - in_be16((void *)FPGA_CTRL) | - CONFIG_SYS_FPGA_CTRL_CF_RESET); - } -} -#endif /* CONFIG_IDE_RESET */ - -void reset_phy(void) -{ -#ifdef CONFIG_LXT971_NO_SLEEP - - /* - * Disable sleep mode in LXT971 - */ - lxt971_no_sleep(); -#endif -} - -#if defined(CONFIG_SYS_EEPROM_WREN) -/* Input: <dev_addr> I2C address of EEPROM device to enable. - * <state> -1: deliver current state - * 0: disable write - * 1: enable write - * Returns: -1: wrong device address - * 0: dis-/en- able done - * 0/1: current state if <state> was -1. - */ -int eeprom_write_enable(unsigned dev_addr, int state) -{ - if (CONFIG_SYS_I2C_EEPROM_ADDR != dev_addr) { - return -1; - } else { - switch (state) { - case 1: - /* Enable write access, clear bit GPIO0. */ - out_be32((void*)GPIO0_OR, - in_be32((void*)GPIO0_OR) & - ~CONFIG_SYS_EEPROM_WP); - state = 0; - break; - case 0: - /* Disable write access, set bit GPIO0. */ - out_be32((void*)GPIO0_OR, - in_be32((void*)GPIO0_OR) | - CONFIG_SYS_EEPROM_WP); - state = 0; - break; - default: - /* Read current status back. */ - state = ((in_be32((void*)GPIO0_OR) & - CONFIG_SYS_EEPROM_WP) == 0); - break; - } - } - return state; -} - -int do_eep_wren(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) -{ - int query = argc == 1; - int state = 0; - - if (query) { - /* Query write access state. */ - state = eeprom_write_enable(CONFIG_SYS_I2C_EEPROM_ADDR, -1); - if (state < 0) { - puts("Query of write access state failed.\n"); - } else { - printf("Write access for device 0x%0x is %sabled.\n", - CONFIG_SYS_I2C_EEPROM_ADDR, - state ? "en" : "dis"); - state = 0; - } - } else { - if (argv[1][0] == '0') { - /* Disable write access. */ - state = eeprom_write_enable(CONFIG_SYS_I2C_EEPROM_ADDR, - 0); - } else { - /* Enable write access. */ - state = eeprom_write_enable(CONFIG_SYS_I2C_EEPROM_ADDR, - 1); - } - if (state < 0) - puts("Setup of write access state failed.\n"); - } - - return state; -} - -U_BOOT_CMD(eepwren, 2, 0, do_eep_wren, - "Enable / disable / query EEPROM write access", - "" -); -#endif /* #if defined(CONFIG_SYS_EEPROM_WREN) */ |