diff options
Diffstat (limited to 'board/walnut405/walnut405.c')
| -rw-r--r-- | board/walnut405/walnut405.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/board/walnut405/walnut405.c b/board/walnut405/walnut405.c deleted file mode 100644 index 7035599..0000000 --- a/board/walnut405/walnut405.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.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 "walnut405.h" -#include <asm/processor.h> -#include <spd_sdram.h> - -int board_early_init_f (void) -{ - /*-------------------------------------------------------------------------+ - | Interrupt controller setup for the Walnut board. - | Note: 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) FPGA; active high; level sensitive - | IRQ 26 (EXT IRQ 1) SMI; active high; level sensitive - | IRQ 27 (EXT IRQ 2) Not Used - | IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive - | IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive - | IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive - | IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive - | Note for Walnut board: - | An interrupt taken for the FPGA (IRQ 25) indicates that either - | the Mouse, Keyboard, IRDA, or External Expansion caused the - | interrupt. The FPGA must be read to determine which device - | caused the interrupt. The default setting of the FPGA clears - | - +-------------------------------------------------------------------------*/ - - mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */ - mtdcr (uicer, 0x00000000); /* disable all ints */ - mtdcr (uiccr, 0x00000020); /* set all but FPGA SMI to be non-critical */ - mtdcr (uicpr, 0xFFFFFFE0); /* 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 */ - -#define mtebc(reg, data) mtdcr(ebccfga,reg);mtdcr(ebccfgd,data) - /* BAS=0xF00,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */ - mtebc (pb1ap, 0x02815480); - mtebc (pb1cr, 0xF0018000); - - /* BAS=0xF01,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */ - mtebc (pb2ap, 0x04815A80); - mtebc (pb2cr, 0xF0118000); - - /* BAS=0xF02,BS=0x0(1MB),BU=0x3(R/W),BW=0x0( 8 bits) */ - mtebc (pb3ap, 0x01815280); - mtebc (pb3cr, 0xF0218000); - - /* BAS=0xF03,BS=0x0(1MB),BU=0x3(R/W),BW=0x0(8 bits) */ - mtebc (pb7ap, 0x01815280); - mtebc (pb7cr, 0xF0318000); - - /* set UART1 control to select CTS/RTS */ -#define FPGA_BRDC 0xF0300004 - *(volatile char *) (FPGA_BRDC) |= 0x1; - - return 0; -} - - -/* ------------------------------------------------------------------------- */ - -/* - * Check Board Identity: - */ - -int checkboard (void) -{ - unsigned char *s = getenv ("serial#"); - unsigned char *e; - - puts ("Board: "); - - if (!s || strncmp (s, "WALNUT405", 9)) { - puts ("### No HW ID - assuming WALNUT405"); - } else { - for (e = s; *e; ++e) { - if (*e == ' ') - break; - } - for (; s < e; ++s) { - putc (*s); - } - } - putc ('\n'); - - return (0); -} - - -/* ------------------------------------------------------------------------- - initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of - the necessary info for SDRAM controller configuration - ------------------------------------------------------------------------- */ -long int initdram (int board_type) -{ - return spd_sdram (0); -} - -/* ------------------------------------------------------------------------- */ - -int testdram (void) -{ - /* TODO: XXX XXX XXX */ - printf ("test: xxx MB - ok\n"); - - return (0); -} - -/* ------------------------------------------------------------------------- */ |