summaryrefslogtreecommitdiff
path: root/board/eric/eric.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/eric/eric.c')
-rw-r--r--board/eric/eric.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/board/eric/eric.c b/board/eric/eric.c
deleted file mode 100644
index d431204..0000000
--- a/board/eric/eric.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*
- * (C) Copyright 2001
- * 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 <i2c.h>
-#include "eric.h"
-#include <asm/processor.h>
-
-#define PPC405GP_GPIO0_OR 0xef600700 /* GPIO Output */
-#define PPC405GP_GPIO0_TCR 0xef600704 /* GPIO Three-State Control */
-#define PPC405GP_GPIO0_ODR 0xef600718 /* GPIO Open Drain */
-#define PPC405GP_GPIO0_IR 0xef60071c /* GPIO Input */
-
-void sdram_init(void);
-
-int board_early_init_f (void)
-{
-
- /*-------------------------------------------------------------------------+
- | Interrupt controller setup for the ERIC 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) FLASH; active low; level sensitive
- | IRQ 26 (EXT IRQ 1) PHY ; active low; level sensitive
- | IRQ 27 (EXT IRQ 2) HOST FAIL, active low; level sensitive
- | indicates NO Power or HOST RESET active
- | check GPIO7 (HOST RESET#) and GPIO8 (NO Power#)
- | for real IRQ source
- | IRQ 28 (EXT IRQ 3) HOST; active high; level sensitive
- | IRQ 29 (EXT IRQ 4) PCI INTC#; active low; level sensitive
- | IRQ 30 (EXT IRQ 5) PCI INTB#; active low; level sensitive
- | IRQ 31 (EXT IRQ 6) PCI INTA#; active low; level sensitive
- | -> IRQ6 Pin is NOW GPIO23 and can be activateted by setting
- | PPC405GP_GPIO0_TCR Bit 0 = 1 (driving the output as defined in PPC405GP_GPIO0_OR,
- | else tristate)
- | Note for ERIC board:
- | An interrupt taken for the HOST (IRQ 28) indicates that
- | the HOST wrote a "1" to one of the following locations
- | - VGA CRT_GPIO0 (if R1216 is loaded)
- | - VGA CRT_GPIO1 (if R1217 is loaded)
- |
- +-------------------------------------------------------------------------*/
-
- mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
- mtdcr (UIC0ER, 0x00000000); /* disable all ints */
- mtdcr (UIC0CR, 0x00000000); /* set all SMI to be non-critical */
- mtdcr (UIC0PR, 0xFFFFFF88); /* set int polarities; IRQ3 to 1 */
- mtdcr (UIC0TR, 0x10000000); /* set int trigger levels, UART0 is EDGE */
- mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */
- mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */
-
- mtdcr (CPC0_CR0, 0x00002000); /* set IRQ6 as GPIO23 to generate an interrupt request to the PCP2PCI bridge */
-
- out32 (PPC405GP_GPIO0_OR, 0x60000000); /*fixme is SMB_INT high or low active??; IRQ6 is GPIO23 output */
- out32 (PPC405GP_GPIO0_TCR, 0x7E400000);
-
- return 0;
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Check Board Identity:
- */
-
-int checkboard (void)
-{
- char *s = getenv ("serial#");
- char *e;
-
- puts ("Board: ");
-
- if (!s || strncmp (s, "ERIC", 9)) {
- puts ("### No HW ID - assuming ERIC");
- } 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
-*/
-/* ------------------------------------------------------------------------- */
-/* ------------------------------------------------------------------------- */
-phys_size_t initdram (int board_type)
-{
-#ifndef CONFIG_ERIC
- int i;
- unsigned char datain[128];
- int TotalSize;
-#endif
-
- /*
- * ToDo: Move the asm init routine sdram_init() to this C file,
- * or even better use some common ppc4xx code available
- * in arch/powerpc/cpu/ppc4xx
- */
- sdram_init();
-
-#ifdef CONFIG_ERIC
- /*
- * we have no EEPROM on ERIC
- * so let init.S do the init job for SDRAM
- * and simply return 32MByte here
- */
- return (CONFIG_SYS_SDRAM_SIZE * 1024 * 1024);
-#else
-
- /* Read Serial Presence Detect Information */
- for (i = 0; i < 128; i++)
- datain[i] = 127;
- i2c_send (SPD_EEPROM_ADDRESS, 0, 1, datain, 128);
- printf ("\nReading DIMM...\n");
-#if 0
- for (i = 0; i < 128; i++) {
- printf ("%d=0x%x ", i, datain[i]);
- if (((i + 1) % 10) == 0)
- printf ("\n");
- }
- printf ("\n");
-#endif
-
- /*****************************/
- /* Retrieve interesting data */
- /*****************************/
- /* size of a SDRAM bank */
- /* Number of bytes per side / number of banks per side */
- if (datain[31] == 0x08)
- TotalSize = 32;
- else if (datain[31] == 0x10)
- TotalSize = 64;
- else {
- printf ("IIC READ ERROR!!!\n");
- TotalSize = 32;
- }
-
- /* single-sided DIMM or double-sided DIMM? */
- if (datain[5] != 1) {
- /* double-sided DIMM => SDRAM banks 0..3 are valid */
- printf ("double-sided DIMM\n");
- TotalSize *= 2;
- }
- /* else single-sided DIMM => SDRAM bank 0 and bank 2 are valid */
- else {
- printf ("single-sided DIMM\n");
- }
-
-
- /* return size in Mb unit => *(1024*1024) */
- return (TotalSize * 1024 * 1024);
-#endif
-}
-
-/* ------------------------------------------------------------------------- */
-
-int testdram (void)
-{
- /* TODO: XXX XXX XXX */
- printf ("test: xxx MB - ok\n");
-
- return (0);
-}
-
-/* ------------------------------------------------------------------------- */