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-rwxr-xr-xboard/barco/barco.c363
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diff --git a/board/barco/barco.c b/board/barco/barco.c
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+/********************************************************************
+ *
+ * Unless otherwise specified, Copyright (C) 2004-2005 Barco Control Rooms
+ *
+ * $Source: /home/services/cvs/firmware/ppc/u-boot-1.1.2/board/barco/barco.c,v $
+ * $Revision: 1.4 $
+ * $Author: mleeman $
+ * $Date: 2005/03/02 16:40:20 $
+ *
+ * Last ChangeLog Entry
+ * $Log: barco.c,v $
+ * Revision 1.4 2005/03/02 16:40:20 mleeman
+ * remove empty labels (3.4 complains)
+ *
+ * Revision 1.3 2005/02/21 12:48:58 mleeman
+ * update of copyright years (feedback wd)
+ *
+ * Revision 1.2 2005/02/21 10:10:53 mleeman
+ * - split up switch statement to a function call (Linux kernel coding guidelines)
+ * ( feedback wd)
+ *
+ * Revision 1.1 2005/02/14 09:31:07 mleeman
+ * renaming of files
+ *
+ * Revision 1.1 2005/02/14 09:23:46 mleeman
+ * - moved 'barcohydra' directory to a more generic barco; since we will be
+ * supporting and adding multiple boards
+ *
+ * Revision 1.3 2005/02/10 13:57:32 mleeman
+ * fixed flash corruption: I should exit from the moment I find the correct value
+ *
+ * Revision 1.2 2005/02/09 12:56:23 mleeman
+ * add generic header to track changes in sources
+ *
+ *
+ *******************************************************************/
+
+/*
+ * (C) Copyright 2004
+ * Marc Leeman <marc.leeman@barco.com>
+ *
+ * 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 <mpc824x.h>
+#include <pci.h>
+#include <malloc.h>
+#include <command.h>
+
+#include "config.h"
+#include "barco_svc.h"
+
+#define TRY_WORKING (3)
+#define BOOT_DEFAULT (2)
+#define BOOT_WORKING (1)
+
+int checkboard (void)
+{
+ /*TODO: Check processor type */
+
+ puts ( "Board: Streaming Video Card for Hydra systems "
+#ifdef CONFIG_MPC8240
+ "8240"
+#endif
+#ifdef CONFIG_MPC8245
+ "8245"
+#endif
+ " Unity ##Test not implemented yet##\n");
+ return 0;
+}
+
+long int initdram (int board_type)
+{
+ long size;
+ long new_bank0_end;
+ long mear1;
+ long emear1;
+
+ size = get_ram_size (CFG_SDRAM_BASE, CFG_MAX_RAM_SIZE);
+
+ new_bank0_end = size - 1;
+ mear1 = mpc824x_mpc107_getreg (MEAR1);
+ emear1 = mpc824x_mpc107_getreg (EMEAR1);
+ mear1 = (mear1 & 0xFFFFFF00) |
+ ((new_bank0_end & MICR_ADDR_MASK) >> MICR_ADDR_SHIFT);
+ emear1 = (emear1 & 0xFFFFFF00) |
+ ((new_bank0_end & MICR_ADDR_MASK) >> MICR_EADDR_SHIFT);
+ mpc824x_mpc107_setreg (MEAR1, mear1);
+ mpc824x_mpc107_setreg (EMEAR1, emear1);
+
+ return (size);
+}
+
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_barcohydra_config_table[] = {
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
+ pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } },
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x10, PCI_ANY_ID,
+ pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
+ PCI_ENET1_MEMADDR,
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER } },
+ { }
+};
+#endif
+
+struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+ config_table: pci_barcohydra_config_table,
+#endif
+};
+
+void pci_init_board (void)
+{
+ pci_mpc824x_init (&hose);
+}
+
+int write_flash (char *addr, char value)
+{
+ char *adr = (char *)0xFF800000;
+ int cnt = 0;
+ char status,oldstatus;
+
+ *(adr+0x55) = 0xAA; udelay (1);
+ *(adr+0xAA) = 0x55; udelay (1);
+ *(adr+0x55) = 0xA0; udelay (1);
+ *addr = value;
+
+ status = *addr;
+ do {
+ oldstatus = status;
+ status = *addr;
+
+ if ((oldstatus & 0x40) == (status & 0x40)) {
+ return 4;
+ }
+ cnt++;
+ if (cnt > 10000) {
+ return 2;
+ }
+ } while ( (status & 0x20) == 0 );
+
+ oldstatus = *addr;
+ status = *addr;
+
+ if ((oldstatus & 0x40) == (status & 0x40)) {
+ return 0;
+ } else {
+ *(adr+0x55) = 0xF0;
+ return 1;
+ }
+}
+
+unsigned update_flash (unsigned char *buf)
+{
+ switch ((*buf) & 0x3) {
+ case TRY_WORKING:
+ printf ("found 3 and converted it to 2\n");
+ write_flash ((char *)buf, (*buf) & 0xFE);
+ *((unsigned char *)0xFF800000) = 0xF0;
+ udelay (100);
+ printf ("buf [%#010x] %#010x\n", buf, (*buf));
+ /* XXX - fall through??? */
+ case BOOT_WORKING :
+ return BOOT_WORKING;
+ }
+ return BOOT_DEFAULT;
+}
+
+unsigned scan_flash (void)
+{
+ char section[] = "kernel";
+ int cfgFileLen = (CFG_FLASH_ERASE_SECTOR_LENGTH >> 1);
+ int sectionPtr = 0;
+ int foundItem = 0; /* 0: None, 1: section found, 2: "=" found */
+ int bufPtr;
+ unsigned char *buf;
+
+ buf = (unsigned char*)(CFG_FLASH_RANGE_BASE + CFG_FLASH_RANGE_SIZE \
+ - CFG_FLASH_ERASE_SECTOR_LENGTH);
+ for (bufPtr = 0; bufPtr < cfgFileLen; ++bufPtr) {
+ if ((buf[bufPtr]==0xFF) && (*(int*)(buf+bufPtr)==0xFFFFFFFF)) {
+ return BOOT_DEFAULT;
+ }
+ /* This is the scanning loop, we try to find a particular
+ * quoted value
+ */
+ switch (foundItem) {
+ case 0:
+ if ((section[sectionPtr] == 0)) {
+ ++foundItem;
+ } else if (buf[bufPtr] == section[sectionPtr]) {
+ ++sectionPtr;
+ } else {
+ sectionPtr = 0;
+ }
+ break;
+ case 1:
+ ++foundItem;
+ break;
+ case 2:
+ ++foundItem;
+ break;
+ case 3:
+ default:
+ return update_flash (&buf[bufPtr - 1]);
+ }
+ }
+
+ printf ("Failed to read %s\n",section);
+ return BOOT_DEFAULT;
+}
+
+TSBootInfo* find_boot_info (void)
+{
+ unsigned bootimage = scan_flash ();
+ TSBootInfo* info = (TSBootInfo*)malloc (sizeof(TSBootInfo));
+
+ switch (bootimage) {
+ case TRY_WORKING:
+ info->address = CFG_WORKING_KERNEL_ADDRESS;
+ break;
+ case BOOT_WORKING :
+ info->address = CFG_WORKING_KERNEL_ADDRESS;
+ break;
+ case BOOT_DEFAULT:
+ default:
+ info->address= CFG_DEFAULT_KERNEL_ADDRESS;
+
+ }
+ info->size = *((unsigned int *)(info->address ));
+
+ return info;
+}
+
+void barcobcd_boot (void)
+{
+ TSBootInfo* start;
+ char *bootm_args[2];
+ char *buf;
+ int cnt;
+ extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
+
+ buf = (char *)(0x00800000);
+ /* make certain there are enough chars to print the command line here!
+ */
+ bootm_args[0] = (char *)malloc (16*sizeof(char));
+ bootm_args[1] = (char *)malloc (16*sizeof(char));
+
+ start = find_boot_info ();
+
+ printf ("Booting kernel at address %#10x with size %#10x\n",
+ start->address, start->size);
+
+ /* give length of the kernel image to bootm */
+ sprintf (bootm_args[0],"%x",start->size);
+ /* give address of the kernel image to bootm */
+ sprintf (bootm_args[1],"%x",buf);
+
+ printf ("flash address: %#10x\n",start->address+8);
+ printf ("buf address: %#10x\n",buf);
+
+ /* aha, we reserve 8 bytes here... */
+ for (cnt = 0; cnt < start->size ; cnt++) {
+ buf[cnt] = ((char *)start->address)[cnt+8];
+ }
+
+ /* initialise RAM memory */
+ *((unsigned int *)0xFEC00000) = 0x00141A98;
+ do_bootm (NULL,0,2,bootm_args);
+}
+
+int barcobcd_boot_image (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+#if 0
+ if (argc > 1) {
+ printf ("Usage:\n (%d) %s\n", argc, cmdtp->usage);
+ return 1;
+ }
+#endif
+ barcobcd_boot ();
+
+ return 0;
+}
+
+/* Currently, boot_working and boot_default are the same command. This is
+ * left in here to see what we'll do in the future */
+
+U_BOOT_CMD (
+ try_working, 1, 1, barcobcd_boot_image,
+ " try_working - check flash value and boot the appropriate image\n",
+ "\n"
+ );
+
+U_BOOT_CMD (
+ boot_working, 1, 1, barcobcd_boot_image,
+ " boot_working - check flash value and boot the appropriate image\n",
+ "\n"
+ );
+
+U_BOOT_CMD (
+ boot_default, 1, 1, barcobcd_boot_image,
+ " boot_default - check flash value and boot the appropriate image\n",
+ "\n"
+ );
+/*
+ * We are not using serial communication, so just provide empty functions
+ */
+int serial_init (void)
+{
+ return 0;
+}
+void serial_setbrg (void)
+{
+ return;
+}
+void serial_putc (const char c)
+{
+ return;
+}
+void serial_puts (const char *c)
+{
+ return;
+}
+void serial_addr (unsigned int i)
+{
+ return;
+}
+int serial_getc (void)
+{
+ return 0;
+}
+int serial_tstc (void)
+{
+ return 0;
+}
+
+unsigned long post_word_load (void)
+{
+ return 0l;
+}
+void post_word_store (unsigned long val)
+{
+ return;
+}
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