From 8e6f1a8ec2b081c01a542ccbf333ddb6bca13c01 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Sun, 25 Sep 2005 18:59:36 +0200 Subject: Add Barco Streaming Video Card (SVC) and Sample Compress Network (SCN) board Patch by Marc Leeman, 04 Mar 2005 --- board/barco/barco.c | 340 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 340 insertions(+) create mode 100644 board/barco/barco.c (limited to 'board/barco/barco.c') diff --git a/board/barco/barco.c b/board/barco/barco.c new file mode 100644 index 0000000..2fb3700 --- /dev/null +++ b/board/barco/barco.c @@ -0,0 +1,340 @@ +/******************************************************************** + * + * 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 + * + * 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 +#include +#include +#include +#include + +#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(buf, (*buf) & 0xFE); + *((unsigned char *)0xFF800000) = 0xF0; + udelay(100); + printf("buf [%#010x] %#010x\n",buf,(*buf)); + case BOOT_WORKING : + return BOOT_WORKING; + } + return BOOT_DEFAULT; +} + +unsigned scan_flash(void) +{ + char section[] = "kernel"; + ulong sp; + 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; + } + switch(foundItem) + { + /* This is the scanning loop, we try to find a particular + * quoted value + */ + 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; + + 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){} +void serial_putc(const char c){} +void serial_puts(const char *c){} +void serial_addr(unsigned int i){} +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){} -- cgit v1.1