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-rw-r--r--board/mpl/common/common_util.c606
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 000000000..60c49af15
--- /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 */
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