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Diffstat (limited to 'board/gdsys/dlvision/dlvision.c')
| -rw-r--r-- | board/gdsys/dlvision/dlvision.c | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/board/gdsys/dlvision/dlvision.c b/board/gdsys/dlvision/dlvision.c new file mode 100644 index 0000000..4ec1cdb --- /dev/null +++ b/board/gdsys/dlvision/dlvision.c @@ -0,0 +1,137 @@ +/* + * (C) Copyright 2009 + * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de + * + * 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 <command.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/gpio.h> + +enum { + HWTYPE_DLVISION_CPU = 0, + HWTYPE_DLVISION_CON = 1, +}; + +#define HWREV_100 6 + +int board_early_init_f(void) +{ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + mtdcr(uicer, 0x00000000); /* disable all ints */ + mtdcr(uiccr, 0x00000000); /* set all to be non-critical */ + mtdcr(uicpr, 0xFFFFFF80); /* set int polarities */ + mtdcr(uictr, 0x10000000); /* set int trigger levels */ + mtdcr(uicvcr, 0x00000001); /* set vect base=0,INT0 highest prio */ + mtdcr(uicsr, 0xFFFFFFFF); /* clear all ints */ + + /* + * EBC Configuration Register: set ready timeout to 512 ebc-clks + * -> ca. 15 us + */ + mtebc(epcr, 0xa8400000); /* ebc always driven */ + + /* + * setup io-latches + */ + out_le16((void *)CONFIG_SYS_LATCH_BASE, 0x00f0); + out_le16((void *)(CONFIG_SYS_LATCH_BASE + 0x100), 0x0002); + out_le16((void *)(CONFIG_SYS_LATCH_BASE + 0x200), 0x0000); + return 0; +} + +int misc_init_r(void) +{ + /* + * set "startup-finished"-gpios + */ + gpio_write_bit(21, 0); + gpio_write_bit(22, 1); + + return 0; +} + +/* + * Check Board Identity: + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + u8 channel2_msr = in_8((void *)CONFIG_UART_BASE + 0x26); + u8 channel3_msr = in_8((void *)CONFIG_UART_BASE + 0x36); + u8 channel7_msr = in_8((void *)CONFIG_UART_BASE + 0x76); + u8 unit_type; + u8 local_con; + u8 audio; + u8 hardware_version; + + printf("Board: "); + + unit_type = (channel2_msr & 0x80) ? 0x01 : 0x00; + local_con = (channel2_msr & 0x20) ? 0x01 : 0x00; + audio = (channel3_msr & 0x20) ? 0x01 : 0x00; + hardware_version = + ((channel7_msr & 0x20) ? 0x01 : 0x00) + | ((channel7_msr & 0x80) ? 0x02 : 0x00) + | ((channel7_msr & 0x40) ? 0x04 : 0x00); + + switch (unit_type) { + case HWTYPE_DLVISION_CON: + printf("DL-Vision-CON"); + break; + + case HWTYPE_DLVISION_CPU: + printf("DL-Vision-CPU"); + break; + + default: + printf("UnitType %d, unsupported", unit_type); + break; + } + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + puts("\n "); + + switch (hardware_version) { + case HWREV_100: + printf("HW-Ver 1.00"); + break; + + default: + printf("HW-Ver %d, unsupported", + hardware_version); + break; + } + + if (local_con) + printf(", local console"); + + if (audio) + printf(", audio support"); + + puts("\n"); + + return 0; +} |