diff options
Diffstat (limited to 'board/mpl/common/common_util.c')
| -rw-r--r-- | board/mpl/common/common_util.c | 606 |
1 files changed, 606 insertions, 0 deletions
diff --git a/board/mpl/common/common_util.c b/board/mpl/common/common_util.c new file mode 100644 index 0000000..60c49af --- /dev/null +++ b/board/mpl/common/common_util.c @@ -0,0 +1,606 @@ +/* + * (C) Copyright 2001 + * Denis Peter, MPL AG Switzerland, d.peter@mpl.ch + * + * 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 <video_fb.h> +#include "common_util.h" +#include <asm/processor.h> +#include <i2c.h> +#include <devices.h> +#include <pci.h> + +extern int gunzip (void *, int, unsigned char *, int *); +extern int mem_test(unsigned long start, unsigned long ramsize, int quiet); + +#define I2C_BACKUP_ADDR 0x7C00 /* 0x200 bytes for backup */ +#define IMAGE_SIZE 0x80000 + +extern flash_info_t flash_info[]; /* info for FLASH chips */ + +image_header_t header; + + + +int mpl_prg(unsigned long src,unsigned long size) +{ + unsigned long start; + flash_info_t *info; + int i,rc; + unsigned long *magic = (unsigned long *)src; + + info = &flash_info[0]; + start = 0 - size; + for(i=info->sector_count-1;i>0;i--) + { + info->protect[i] = 0; /* unprotect this sector */ + if(start>=info->start[i]) + break; + } + /* set-up flash location */ + /* now erase flash */ + if(magic[0]!=IH_MAGIC) { + printf("Bad Magic number\n"); + return -1; + } + printf("Erasing at %lx (sector %d) (start %lx)\n", + start,i,info->start[i]); + flash_erase (info, i, info->sector_count-1); + printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",src,size); + if ((rc = flash_write ((uchar *)src, start, size)) != 0) { + puts ("ERROR "); + flash_perror (rc); + return (1); + } + puts ("OK programming done\n"); + return 0; +} + + +int mpl_prg_image(unsigned long ld_addr) +{ + unsigned long data,len,checksum; + image_header_t *hdr=&header; + /* Copy header so we can blank CRC field for re-calculation */ + memcpy (&header, (char *)ld_addr, sizeof(image_header_t)); + if (hdr->ih_magic != IH_MAGIC) { + printf ("Bad Magic Number\n"); + return 1; + } + print_image_hdr(hdr); + if (hdr->ih_os != IH_OS_U_BOOT) { + printf ("No U-Boot Image\n"); + return 1; + } + if (hdr->ih_type != IH_TYPE_FIRMWARE) { + printf ("No Firmware Image\n"); + return 1; + } + data = (ulong)&header; + len = sizeof(image_header_t); + checksum = hdr->ih_hcrc; + hdr->ih_hcrc = 0; + if (crc32 (0, (char *)data, len) != checksum) { + printf ("Bad Header Checksum\n"); + return 1; + } + data = ld_addr + sizeof(image_header_t); + len = hdr->ih_size; + printf ("Verifying Checksum ... "); + if (crc32 (0, (char *)data, len) != hdr->ih_dcrc) { + printf ("Bad Data CRC\n"); + return 1; + } + switch (hdr->ih_comp) { + case IH_COMP_NONE: + break; + case IH_COMP_GZIP: + printf (" Uncompressing ... "); + if (gunzip ((void *)(data+0x100000), 0x400000, + (uchar *)data, (int *)&len) != 0) { + printf ("GUNZIP ERROR\n"); + return 1; + } + data+=0x100000; + break; + default: + printf (" Unimplemented compression type %d\n", hdr->ih_comp); + return 1; + } + + printf (" OK\n"); + return(mpl_prg(data,len)); +} + + +void get_backup_values(backup_t *buf) +{ + i2c_read(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t)); +} + +void set_backup_values(int overwrite) +{ + backup_t back; + int i; + + get_backup_values(&back); + if(!overwrite) { + if(strncmp(back.signature,"MPL\0",4)==0) { + printf("Not possible to write Backup\n"); + return; + } + } + memcpy(back.signature,"MPL\0",4); + i=getenv_r("serial#",back.serial_name,16); + if(i==0) { + printf("Not possible to write Backup\n"); + return; + } + back.serial_name[16]=0; + i=getenv_r("ethaddr",back.eth_addr,20); + if(i==0) { + printf("Not possible to write Backup\n"); + return; + } + back.eth_addr[20]=0; + i2c_write(CFG_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t)); +} + +void clear_env_values(void) +{ + backup_t back; + unsigned char env_crc[4]; + + memset(&back,0xff,sizeof(backup_t)); + memset(env_crc,0x00,4); + i2c_write(CFG_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t)); + i2c_write(CFG_DEF_EEPROM_ADDR,CFG_ENV_OFFSET,2,(void *)env_crc,4); +} + +/* + * check crc of "older" environment + */ +int check_env_old_size(ulong oldsize) +{ + ulong crc, len, new; + unsigned off; + uchar buf[64]; + + /* read old CRC */ + eeprom_read (CFG_DEF_EEPROM_ADDR, + CFG_ENV_OFFSET, + (uchar *)&crc, sizeof(ulong)); + + new = 0; + len = oldsize; + off = sizeof(long); + len = oldsize-off; + while (len > 0) { + int n = (len > sizeof(buf)) ? sizeof(buf) : len; + + eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, buf, n); + new = crc32 (new, buf, n); + len -= n; + off += n; + } + + return (crc == new); +} + +static ulong oldsizes[] = { + 0x200, + 0x800, + 0 +}; + +void copy_old_env(ulong size) +{ + uchar name_buf[64]; + uchar value_buf[0x800]; + uchar c; + ulong len; + unsigned off; + uchar *name, *value; + + name=&name_buf[0]; + value=&value_buf[0]; + len=size; + off = sizeof(long); + while (len > off) { + eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1); + if(c != '=') { + *name++=c; + off++; + } + else { + *name++='\0'; + off++; + do { + eeprom_read (CFG_DEF_EEPROM_ADDR, CFG_ENV_OFFSET+off, &c, 1); + *value++=c; + off++; + if(c == '\0') + break; + } while(len > off); + name=&name_buf[0]; + value=&value_buf[0]; + if(strncmp(name,"baudrate",8)!=0) { + setenv(name,value); + } + + } + } +} + + +void check_env(void) +{ + unsigned char *s; + int i=0; + char buf[32]; + backup_t back; + + s=getenv("serial#"); + if(!s) { + while(oldsizes[i]) { + if(check_env_old_size(oldsizes[i])) + break; + i++; + } + if(!oldsizes[i]) { + /* no old environment has been found */ + get_backup_values (&back); + if (strncmp (back.signature, "MPL\0", 4) == 0) { + sprintf (buf, "%s", back.serial_name); + setenv ("serial#", buf); + sprintf (buf, "%s", back.eth_addr); + setenv ("ethaddr", buf); + printf ("INFO: serial# and ethaddr recovered, use saveenv\n"); + return; + } + } + else { + copy_old_env(oldsizes[i]); + printf ("INFO: old environment ajusted, use saveenv\n"); + } + } + else { + /* check if back up is set */ + get_backup_values(&back); + if(strncmp(back.signature,"MPL\0",4)!=0) { + set_backup_values(0); + } + } +} + + + +extern device_t *stdio_devices[]; +extern char *stdio_names[]; + +void show_stdio_dev(void) +{ + /* Print informations */ + printf ("In: "); + if (stdio_devices[stdin] == NULL) { + printf ("No input devices available!\n"); + } else { + printf ("%s\n", stdio_devices[stdin]->name); + } + + printf ("Out: "); + if (stdio_devices[stdout] == NULL) { + printf ("No output devices available!\n"); + } else { + printf ("%s\n", stdio_devices[stdout]->name); + } + + printf ("Err: "); + if (stdio_devices[stderr] == NULL) { + printf ("No error devices available!\n"); + } else { + printf ("%s\n", stdio_devices[stderr]->name); + } +} + +/* ------------------------------------------------------------------------- */ + + /* switches the cs0 and the cs1 to the locations. + When boot is TRUE, the the mapping is switched + to the boot configuration, If it is FALSE, the + flash will be switched in the boot area */ + +#undef SW_CS_DBG +#ifdef SW_CS_DBG +#define SW_CS_PRINTF(fmt,args...) printf (fmt ,##args) +#else +#define SW_CS_PRINTF(fmt,args...) +#endif + + +int switch_cs(unsigned char boot) +{ + unsigned long pbcr; + mtdcr(ebccfga, pb0cr); /* get cs0 config reg */ + pbcr = mfdcr(ebccfgd); + if((pbcr&0x00002000)==0) { + /* we need only to switch if boot from MPS */ + /*printf(" MPS boot mode detected. ");*/ + /* printf("cs0 cfg: %lx\n",pbcr); */ + if(boot) { + /* switch to boot configuration */ + /* this is a 8bit boot, switch cs0 to flash location */ + SW_CS_PRINTF("switch to boot mode (MPS on High address\n"); + pbcr&=0x000FFFFF; /*mask base address of the cs0 */ + pbcr|=(FLASH_BASE0_PRELIM & 0xFFF00000); + mtdcr(ebccfga, pb0cr); + mtdcr(ebccfgd, pbcr); + SW_CS_PRINTF(" new cs0 cfg: %lx\n",pbcr); + mtdcr(ebccfga, pb1cr); /* get cs1 config reg (flash) */ + pbcr = mfdcr(ebccfgd); + SW_CS_PRINTF(" old cs1 cfg: %lx\n",pbcr); + pbcr&=0x000FFFFF; /*mask base address of the cs1 */ + pbcr|=(MULTI_PURPOSE_SOCKET_ADDR & 0xFFF00000); + mtdcr(ebccfga, pb1cr); + mtdcr(ebccfgd, pbcr); + SW_CS_PRINTF(" new cs1 cfg: %lx, MPS is on High Address\n",pbcr); + } + else + { + /* map flash to boot area, */ + SW_CS_PRINTF("map Flash to boot area\n"); + pbcr&=0x000FFFFF; /*mask base address of the cs0 */ + pbcr|=(MULTI_PURPOSE_SOCKET_ADDR & 0xFFF00000); + mtdcr(ebccfga, pb0cr); + mtdcr(ebccfgd, pbcr); + SW_CS_PRINTF(" new cs0 cfg: %lx\n",pbcr); + mtdcr(ebccfga, pb1cr); /* get cs1 config reg (flash) */ + pbcr = mfdcr(ebccfgd); + SW_CS_PRINTF(" cs1 cfg: %lx\n",pbcr); + pbcr&=0x000FFFFF; /*mask base address of the cs1 */ + pbcr|=(FLASH_BASE0_PRELIM & 0xFFF00000); + mtdcr(ebccfga, pb1cr); + mtdcr(ebccfgd, pbcr); + SW_CS_PRINTF(" new cs1 cfg: %lx Flash is on High Address\n",pbcr); + } + return 1; + } + else { + SW_CS_PRINTF("Normal boot, no switching necessary\n"); + return 0; + } +} + + +int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + ulong size,src,ld_addr; + int result; + backup_t back; + char sw; + src = MULTI_PURPOSE_SOCKET_ADDR; + size = IMAGE_SIZE; + + if (strcmp(argv[1], "flash") == 0) + { + sw = switch_cs(0); /* Switch flash to normal location */ +#if (CONFIG_COMMANDS & CFG_CMD_FDC) + if (strcmp(argv[2], "floppy") == 0) { + char *local_args[3]; + extern int do_fdcboot (cmd_tbl_t *, int, int, char *[]); + printf ("\nupdating bootloader image from floppy\n"); + local_args[0] = argv[0]; + if(argc==4) { + local_args[1] = argv[3]; + local_args[2] = NULL; + ld_addr=simple_strtoul(argv[3], NULL, 16); + result=do_fdcboot(cmdtp, 0, 2, local_args); + } + else { + local_args[1] = NULL; + ld_addr=CFG_LOAD_ADDR; + result=do_fdcboot(cmdtp, 0, 1, local_args); + } + result=mpl_prg_image(ld_addr); + switch_cs(sw); /* Switch flash back */ + return result; + } +#endif /* (CONFIG_COMMANDS & CFG_CMD_FDC) */ + if (strcmp(argv[2], "mem") == 0) { + if(argc==4) { + ld_addr=simple_strtoul(argv[3], NULL, 16); + } + else { + ld_addr=load_addr; + } + printf ("\nupdating bootloader image from memory at %lX\n",ld_addr); + result=mpl_prg_image(ld_addr); + switch_cs(sw); /* Switch flash back */ + return result; + } + if (strcmp(argv[2], "mps") == 0) { + printf ("\nupdating bootloader image from MSP\n"); + result=mpl_prg(src,size); + switch_cs(sw); /* Switch flash back */ + return result; + } + switch_cs(sw); /* Switch flash back */ + + } + if (strcmp(argv[1], "mem") == 0) + { + result=0; + if(argc==3) + { + result = (int)simple_strtol(argv[2], NULL, 16); + } + src=(unsigned long)&result; + src-=CFG_MEMTEST_START; + src-=(100*1024); /* - 100k */ + src&=0xfff00000; + size=0; + do { + size++; + printf("\n\nPass %ld\n",size); + mem_test(CFG_MEMTEST_START,src,1); + if(ctrlc()) + break; + if(result>0) + result--; + + }while(result); + return 0; + } + if (strcmp(argv[1], "clearenvvalues") == 0) + { + if (strcmp(argv[2], "yes") == 0) + { + clear_env_values(); + return 0; + } + } + if (strcmp(argv[1], "getback") == 0) { + get_backup_values(&back); + back.signature[3]=0; + back.serial_name[16]=0; + back.eth_addr[20]=0; + printf("GetBackUp: signature: %s\n",back.signature); + printf(" serial#: %s\n",back.serial_name); + printf(" ethaddr: %s\n",back.eth_addr); + return 0; + } + if (strcmp(argv[1], "setback") == 0) { + set_backup_values(1); + return 0; + } + printf("Usage:\n%s\n", cmdtp->usage); + return 1; +} + + +#if (CONFIG_COMMANDS & CFG_CMD_DOC) +extern void doc_probe(ulong physadr); +void doc_init (void) +{ + doc_probe(MULTI_PURPOSE_SOCKET_ADDR); +} +#endif + + +#ifdef CONFIG_VIDEO +/****************************************************** + * Routines to display the Board information + * to the screen (since the VGA will be initialized as last, + * we must resend the infos) + */ + +#ifdef CONFIG_CONSOLE_EXTRA_INFO +extern GraphicDevice ctfb; + +void video_get_info_str (int line_number, char *info) +{ + /* init video info strings for graphic console */ + DECLARE_GLOBAL_DATA_PTR; + PPC405_SYS_INFO sys_info; + char rev; + int i; + unsigned long pvr; + char buf[64]; + char tmp[16]; + unsigned char *s, *e, bc, sw; + switch (line_number) + { + case 2: + /* CPU and board infos */ + pvr=get_pvr(); + get_sys_info (&sys_info); + switch (pvr) { + case PVR_405GP_RB: rev='B'; break; + case PVR_405GP_RC: rev='C'; break; + case PVR_405GP_RD: rev='D'; break; + case PVR_405GP_RE: rev='E'; break; + default: rev='?'; break; + } + /* Board info */ + i=0; + s=getenv ("serial#"); +#ifdef CONFIG_PIP405 + if (!s || strncmp (s, "PIP405", 6)) { + sprintf(buf,"### No HW ID - assuming PIP405"); + } +#endif +#ifdef CONFIG_MIP405 + if (!s || strncmp (s, "MIP405", 6)) { + sprintf(buf,"### No HW ID - assuming MIP405"); + } +#endif + else { + for (e = s; *e; ++e) { + if (*e == ' ') + break; + } + for (; s < e; ++s) { + if (*s == '_') { + ++s; + break; + } + buf[i++]=*s; + } + sprintf(&buf[i]," SN "); + i+=4; + for (; s < e; ++s) { + buf[i++]=*s; + } + buf[i++]=0; + } + sprintf (info," %s PPC405GP %c %s MHz (%lu/%lu/%lu MHz)", + buf,rev, + strmhz (tmp, gd->cpu_clk), sys_info.freqPLB / 1000000, + sys_info.freqPLB / sys_info.pllOpbDiv / 1000000, + sys_info.freqPLB / sys_info.pllExtBusDiv / 1000000); + return; + case 3: + /* Memory Info */ + sw = switch_cs (0); + switch_cs (sw); + bc = in8 (CONFIG_PORT_ADDR); + sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s", + gd->bd->bi_memsize / 0x100000, + gd->bd->bi_flashsize / 0x100000, + bc, + sw ? "MPS boot" : "Flash boot", + ctfb.modeIdent); + return; + case 1: + sprintf (buf, "%s",CONFIG_IDENT_STRING); + sprintf (info, " %s", &buf[1]); + return; + } + /* no more info lines */ + *info = 0; + return; +} +#endif /* CONFIG_CONSOLE_EXTRA_INFO */ + +#endif /* CONFIG_VIDEO */ |