--- /dev/null
+/*
+ * (C) Copyright 2001
+ * ELTEC Elektronik AG
+ * Frank Gottschling <fgottschling@eltec.de>
+ *
+ * Board specific routines for the miniHiPerCam
+ *
+ * - initialisation (eeprom)
+ * - memory controller
+ * - serial io initialisation
+ * - ethernet io initialisation
+ *
+ * -----------------------------------------------------------------
+ * 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 <linux/ctype.h>
+#include <commproc.h>
+#include "mpc8xx.h"
+#include <video_fb.h>
+
+/* imports from common/main.c */
+extern char console_buffer[CFG_CBSIZE];
+
+extern void eeprom_init (void);
+extern int eeprom_read (unsigned dev_addr, unsigned offset,
+ unsigned char *buffer, unsigned cnt);
+extern int eeprom_write (unsigned dev_addr, unsigned offset,
+ unsigned char *buffer, unsigned cnt);
+
+/* globals */
+void *video_hw_init(void);
+void video_set_lut (unsigned int index, /* color number */
+ unsigned char r, /* red */
+ unsigned char g, /* green */
+ unsigned char b /* blue */
+ );
+
+GraphicDevice gdev;
+
+/* locals */
+static void video_circle (char *center, int radius, int color, int pitch);
+static void video_test_image (void);
+static void video_default_lut (unsigned int clut_type);
+
+/* revision info foer MHPC EEPROM offset 480 */
+typedef struct {
+ char board[12]; /* 000 - Board Revision information */
+ char sensor; /* 012 - Sensor Type information */
+ char serial[8]; /* 013 - Board serial number */
+ char etheraddr[6]; /* 021 - Ethernet node addresse */
+ char revision[2]; /* 027 - Revision code */
+ char option[3]; /* 029 - resevered for options */
+} revinfo;
+
+/* ------------------------------------------------------------------------- */
+
+static const unsigned int sdram_table[] =
+{
+ /* read single beat cycle */
+ 0xef0efc04, 0x0e2dac04, 0x01ba5c04, 0x1ff5fc00,
+ 0xfffffc05, 0xeffafc34, 0x0ff0bc34, 0x1ff57c35,
+
+ /* read burst cycle */
+ 0xef0efc04, 0x0e3dac04, 0x10ff5c04, 0xf0fffc00,
+ 0xf0fffc00, 0xf1fffc00, 0xfffffc00, 0xfffffc05,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* write single beat cycle */
+ 0xef0efc04, 0x0e29ac00, 0x01b25c04, 0x1ff5fc05,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* write burst cycle */
+ 0xef0ef804, 0x0e39a000, 0x10f75000, 0xf0fff440,
+ 0xf0fffc40, 0xf1fffc04, 0xfffffc05, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* periodic timer expired */
+ 0xeffebc84, 0x1ffd7c04, 0xfffffc04, 0xfffffc84,
+ 0xeffebc04, 0x1ffd7c04, 0xfffffc04, 0xfffffc05,
+ 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04,
+
+ /* exception */
+ 0xfffffc04, 0xfffffc05, 0xfffffc04, 0xfffffc04
+};
+
+/* ------------------------------------------------------------------------- */
+
+int board_pre_init (void)
+{
+ volatile immap_t *im = (immap_t *)CFG_IMMR;
+ volatile cpm8xx_t *cp = &(im->im_cpm);
+ volatile iop8xx_t *ip = (iop8xx_t *)&(im->im_ioport);
+
+ /* reset the port A s.a. cpm-routines */
+ ip->iop_padat = 0x0000;
+ ip->iop_papar = 0x0000;
+ ip->iop_padir = 0x0800;
+ ip->iop_paodr = 0x0000;
+
+ /* reset the port B for digital and LCD output */
+ cp->cp_pbdat = 0x0300;
+ cp->cp_pbpar = 0x5001;
+ cp->cp_pbdir = 0x5301;
+ cp->cp_pbodr = 0x0000;
+
+ /* reset the port C configured for SMC1 serial port and aqc. control */
+ ip->iop_pcdat = 0x0800;
+ ip->iop_pcpar = 0x0000;
+ ip->iop_pcdir = 0x0e30;
+ ip->iop_pcso = 0x0000;
+
+ /* Config port D for LCD output */
+ ip->iop_pdpar = 0x1fff;
+ ip->iop_pddir = 0x1fff;
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity
+ */
+int checkboard (void)
+{
+ puts ("Board: ELTEC miniHiperCam\n");
+ return(0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_r(void)
+{
+ revinfo mhpcRevInfo;
+ char nid[32];
+ char *mhpcSensorTypes[] = { "OMNIVISON OV7610/7620 color",
+ "OMNIVISON OV7110 b&w", NULL };
+ char hex[23] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 0, 0,
+ 0, 0, 0, 0, 10, 11, 12, 13, 14, 15 };
+ int i;
+
+ /* check revision data */
+ eeprom_read (CFG_I2C_EEPROM_ADDR, 480, (char*)&mhpcRevInfo, 32);
+
+ if (strncmp((char *)&mhpcRevInfo.board[2], "MHPC", 4) != 0)
+ {
+ printf ("Enter revision number (0-9): %c ", mhpcRevInfo.revision[0]);
+ if (0 != readline (NULL))
+ {
+ mhpcRevInfo.revision[0] = (char)toupper(console_buffer[0]);
+ }
+
+ printf ("Enter revision character (A-Z): %c ", mhpcRevInfo.revision[1]);
+ if (1 == readline (NULL))
+ {
+ mhpcRevInfo.revision[1] = (char)toupper(console_buffer[0]);
+ }
+
+ printf("Enter board name (V-XXXX-XXXX): %s ", (char *)&mhpcRevInfo.board);
+ if (11 == readline (NULL))
+ {
+ for (i=0; i<11; i++)
+ {
+ mhpcRevInfo.board[i] = (char)toupper(console_buffer[i]);
+ mhpcRevInfo.board[11] = '\0';
+ }
+ }
+
+ printf("Supported sensor types:\n");
+ i=0;
+ do
+ {
+ printf("\n \'%d\' : %s\n", i, mhpcSensorTypes[i]);
+ } while ( mhpcSensorTypes[++i] != NULL );
+
+ do
+ {
+ printf("\nEnter sensor number (0-255): %d ", (int)mhpcRevInfo.sensor );
+ if (0 != readline (NULL))
+ {
+ mhpcRevInfo.sensor = (unsigned char)simple_strtoul(console_buffer, NULL, 10);
+ }
+ } while ( mhpcRevInfo.sensor >= i );
+
+ printf("Enter serial number: %s ", (char *)&mhpcRevInfo.serial );
+ if (6 == readline (NULL))
+ {
+ for (i=0; i<6; i++)
+ {
+ mhpcRevInfo.serial[i] = console_buffer[i];
+ }
+ mhpcRevInfo.serial[6] = '\0';
+ }
+
+ printf("Enter ether node ID with leading zero (HEX): %02x%02x%02x%02x%02x%02x ",
+ mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1],
+ mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3],
+ mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5] );
+ if (12 == readline (NULL))
+ {
+ for (i=0; i<12; i+=2)
+ {
+ mhpcRevInfo.etheraddr[i>>1] = (char)(16*hex[toupper(console_buffer[i])-'0'] +
+ hex[toupper(console_buffer[i+1])-'0']);
+ }
+ }
+
+ /* setup new revision data */
+ eeprom_write (CFG_I2C_EEPROM_ADDR, 480, (char*)&mhpcRevInfo, 32);
+ }
+
+ /* set environment */
+ sprintf( nid, "%02x:%02x:%02x:%02x:%02x:%02x",
+ mhpcRevInfo.etheraddr[0], mhpcRevInfo.etheraddr[1],
+ mhpcRevInfo.etheraddr[2], mhpcRevInfo.etheraddr[3],
+ mhpcRevInfo.etheraddr[4], mhpcRevInfo.etheraddr[5]);
+ setenv("ethaddr", nid);
+
+ /* print actual board identification */
+ printf("Ident: %s %s Ser %s Rev %c%c\n",
+ mhpcRevInfo.board, (mhpcRevInfo.sensor==0?"color":"b&w"),
+ (char *)&mhpcRevInfo.serial,
+ mhpcRevInfo.revision[0], mhpcRevInfo.revision[1]);
+
+ return (0);
+}
+
+/* ------------------------------------------------------------------------- */
+
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+ upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+ memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
+ memctl->memc_mbmr = MAMR_GPL_B4DIS;
+ memctl->memc_mptpr = MPTPR_PTP_DIV64;
+ memctl->memc_mar = 0x00008800;
+
+ /*
+ * Map controller SDRAM bank 0
+ */
+ memctl->memc_or1 = CFG_OR1_PRELIM;
+ memctl->memc_br1 = CFG_BR1_PRELIM;
+ udelay(200);
+
+ /*
+ * Map controller SDRAM bank 1
+ */
+ memctl->memc_or2 = CFG_OR2;
+ memctl->memc_br2 = CFG_BR2;
+
+ /*
+ * Perform SDRAM initializsation sequence
+ */
+ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
+ udelay(1);
+ memctl->memc_mcr = 0x80002730; /* SDRAM bank 0 - execute twice */
+ udelay(1);
+ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
+
+ udelay(10000);
+
+ /* leave place for framebuffers */
+ return (SDRAM_MAX_SIZE-SDRAM_RES_SIZE);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void video_circle (char *center, int radius, int color, int pitch)
+{
+ int x,y,d,dE,dSE;
+
+ x = 0;
+ y = radius;
+ d = 1-radius;
+ dE = 3;
+ dSE = -2*radius+5;
+
+ *(center+x+y*pitch) = color;
+ *(center+y+x*pitch) = color;
+ *(center+y-x*pitch) = color;
+ *(center+x-y*pitch) = color;
+ *(center-x-y*pitch) = color;
+ *(center-y-x*pitch) = color;
+ *(center-y+x*pitch) = color;
+ *(center-x+y*pitch) = color;
+ while(y>x)
+ {
+ if (d<0)
+ {
+ d += dE;
+ dE += 2;
+ dSE += 2;
+ x++;
+ }
+ else
+ {
+ d += dSE;
+ dE += 2;
+ dSE += 4;
+ x++;
+ y--;
+ }
+ *(center+x+y*pitch) = color;
+ *(center+y+x*pitch) = color;
+ *(center+y-x*pitch) = color;
+ *(center+x-y*pitch) = color;
+ *(center-x-y*pitch) = color;
+ *(center-y-x*pitch) = color;
+ *(center-y+x*pitch) = color;
+ *(center-x+y*pitch) = color;
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void video_test_image(void)
+{
+ char *di;
+ int i, n;
+
+ /* draw raster */
+ for (i=0; i<LCD_VIDEO_ROWS; i+=32)
+ {
+ memset((char*)(LCD_VIDEO_ADDR+i*LCD_VIDEO_COLS), LCD_VIDEO_FG, LCD_VIDEO_COLS);
+ for (n=i+1;n<i+32;n++)
+ memset((char*)(LCD_VIDEO_ADDR+n*LCD_VIDEO_COLS), LCD_VIDEO_BG, LCD_VIDEO_COLS);
+ }
+
+ for (i=0; i<LCD_VIDEO_COLS; i+=32)
+ {
+ for (n=0; n<LCD_VIDEO_ROWS; n++)
+ *(char*)(LCD_VIDEO_ADDR+n*LCD_VIDEO_COLS+i) = LCD_VIDEO_FG;
+ }
+
+ /* draw gray bar */
+ di = (char *)(LCD_VIDEO_ADDR + (LCD_VIDEO_COLS-256)/64*32 + 97*LCD_VIDEO_COLS);
+ for (n=0; n<63; n++)
+ {
+ for (i=0; i<256; i++)
+ {
+ *di++ = (char)i;
+ *(di+LCD_VIDEO_COLS*64) = (i&1)*255;
+ }
+ di += LCD_VIDEO_COLS-256;
+ }
+
+ video_circle ((char*)LCD_VIDEO_ADDR+LCD_VIDEO_COLS/2+LCD_VIDEO_ROWS/2*LCD_VIDEO_COLS,
+ LCD_VIDEO_ROWS/2,LCD_VIDEO_FG, LCD_VIDEO_COLS);
+}
+
+/* ------------------------------------------------------------------------- */
+
+static void video_default_lut (unsigned int clut_type)
+{
+ unsigned int i;
+ unsigned char RGB[] =
+ {
+ 0x00, 0x00, 0x00, /* black */
+ 0x80, 0x80, 0x80, /* gray */
+ 0xff, 0x00, 0x00, /* red */
+ 0x00, 0xff, 0x00, /* green */
+ 0x00, 0x00, 0xff, /* blue */
+ 0x00, 0xff, 0xff, /* cyan */
+ 0xff, 0x00, 0xff, /* magenta */
+ 0xff, 0xff, 0x00, /* yellow */
+ 0x80, 0x00, 0x00, /* dark red */
+ 0x00, 0x80, 0x00, /* dark green */
+ 0x00, 0x00, 0x80, /* dark blue */
+ 0x00, 0x80, 0x80, /* dark cyan */
+ 0x80, 0x00, 0x80, /* dark magenta */
+ 0x80, 0x80, 0x00, /* dark yellow */
+ 0xc0, 0xc0, 0xc0, /* light gray */
+ 0xff, 0xff, 0xff, /* white */
+ };
+
+ switch (clut_type)
+ {
+ case 1:
+ for (i=0; i<240; i++)
+ video_set_lut (i, i, i, i);
+ for (i=0; i<16; i++)
+ video_set_lut (i+240, RGB[i*3], RGB[i*3+1], RGB[i*3+2]);
+ break;
+ default:
+ for (i=0; i<256; i++)
+ video_set_lut (i, i, i, i);
+ }
+}
+
+/* ------------------------------------------------------------------------- */
+
+void *video_hw_init (void)
+{
+ unsigned int clut = 0;
+ unsigned char *penv;
+ immap_t *immr = (immap_t *) CFG_IMMR;
+
+ /* enable video only on CLUT value */
+ if ((penv = getenv ("clut")) != NULL)
+ clut = (u_int)simple_strtoul (penv, NULL, 10);
+ else
+ return NULL;
+
+ /* disable graphic before write LCD regs. */
+ immr->im_lcd.lcd_lccr = 0x96000866;
+
+ /* config LCD regs. */
+ immr->im_lcd.lcd_lcfaa = LCD_VIDEO_ADDR;
+ immr->im_lcd.lcd_lchcr = 0x010a0093;
+ immr->im_lcd.lcd_lcvcr = 0x900f0024;
+
+ printf ("Video: 640x480 8Bit Index Lut %s\n",
+ (clut==1?"240/16 (gray/vga)":"256(gray)"));
+
+ video_default_lut (clut);
+
+ /* clear framebuffer */
+ memset ( (char*)(LCD_VIDEO_ADDR), LCD_VIDEO_BG, LCD_VIDEO_ROWS*LCD_VIDEO_COLS );
+
+ /* enable graphic */
+ immr->im_lcd.lcd_lccr = 0x96000867;
+
+ /* fill in Graphic Device */
+ gdev.frameAdrs = LCD_VIDEO_ADDR;
+ gdev.winSizeX = LCD_VIDEO_COLS;
+ gdev.winSizeY = LCD_VIDEO_ROWS;
+ gdev.gdfBytesPP = 1;
+ gdev.gdfIndex = GDF__8BIT_INDEX;
+
+ if (clut > 1)
+ /* return Graphic Device for console */
+ return (void *)&gdev;
+ else
+ /* just graphic enabled - draw something beautiful */
+ video_test_image();
+
+ return NULL; /* this disabels cfb - console */
+}
+
+/* ------------------------------------------------------------------------- */
+
+void video_set_lut (unsigned int index,
+ unsigned char r, unsigned char g, unsigned char b)
+{
+ unsigned int lum;
+ unsigned short *pLut = (unsigned short *)(CFG_IMMR + 0x0e00);
+
+ /* 16 bit lut values, 12 bit used, xxxx BBGG RRii iiii */
+ /* y = 0.299*R + 0.587*G + 0.114*B */
+ lum = (2990*r + 5870*g + 1140*b)/10000;
+ pLut[index] = ((b & 0xc0)<<4) | ((g & 0xc0)<<2) | (r & 0xc0) | (lum & 0x3f);
+}
+
+/* ------------------------------------------------------------------------- */
--- /dev/null
+/*
+ * (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
+ *
+ *
+ * TODO: clean-up
+ */
+
+#include <common.h>
+#include "pip405.h"
+#include <asm/processor.h>
+#include <i2c.h>
+#include "../common/isa.h"
+#include "../common/common_util.h"
+
+#undef SDRAM_DEBUG
+
+#define FALSE 0
+#define TRUE 1
+
+/* stdlib.h causes some compatibility problems; should fixe these! -- wd */
+#ifndef __ldiv_t_defined
+typedef struct {
+ long int quot; /* Quotient */
+ long int rem; /* Remainder */
+} ldiv_t;
+extern ldiv_t ldiv (long int __numer, long int __denom);
+
+# define __ldiv_t_defined 1
+#endif
+
+
+typedef enum {
+ SDRAM_NO_ERR,
+ SDRAM_SPD_COMM_ERR,
+ SDRAM_SPD_CHKSUM_ERR,
+ SDRAM_UNSUPPORTED_ERR,
+ SDRAM_UNKNOWN_ERR
+} SDRAM_ERR;
+
+typedef struct {
+ const unsigned char mode;
+ const unsigned char row;
+ const unsigned char col;
+ const unsigned char bank;
+} SDRAM_SETUP;
+
+static const SDRAM_SETUP sdram_setup_table[] = {
+ {1, 11, 9, 2},
+ {1, 11, 10, 2},
+ {2, 12, 9, 4},
+ {2, 12, 10, 4},
+ {3, 13, 9, 4},
+ {3, 13, 10, 4},
+ {3, 13, 11, 4},
+ {4, 12, 8, 2},
+ {4, 12, 8, 4},
+ {5, 11, 8, 2},
+ {5, 11, 8, 4},
+ {6, 13, 8, 2},
+ {6, 13, 8, 4},
+ {7, 13, 9, 2},
+ {7, 13, 10, 2},
+ {0, 0, 0, 0}
+};
+
+static const unsigned char cal_indextable[] = {
+ 9, 23, 25
+};
+
+
+/*
+ * translate ns.ns/10 coding of SPD timing values
+ * into 10 ps unit values
+ */
+
+unsigned short NS10to10PS (unsigned char spd_byte, unsigned char spd_version)
+{
+ unsigned short ns, ns10;
+
+ /* isolate upper nibble */
+ ns = (spd_byte >> 4) & 0x0F;
+ /* isolate lower nibble */
+ ns10 = (spd_byte & 0x0F);
+
+ return (ns * 100 + ns10 * 10);
+}
+
+/*
+ * translate ns.ns/4 coding of SPD timing values
+ * into 10 ps unit values
+ */
+
+unsigned short NS4to10PS (unsigned char spd_byte, unsigned char spd_version)
+{
+ unsigned short ns, ns4;
+
+ /* isolate upper 6 bits */
+ ns = (spd_byte >> 2) & 0x3F;
+ /* isloate lower 2 bits */
+ ns4 = (spd_byte & 0x03);
+
+ return (ns * 100 + ns4 * 25);
+}
+
+/*
+ * translate ns coding of SPD timing values
+ * into 10 ps unit values
+ */
+
+unsigned short NSto10PS (unsigned char spd_byte)
+{
+ return (spd_byte * 100);
+}
+
+void SDRAM_err (const char *s)
+{
+#ifndef SDRAM_DEBUG
+ DECLARE_GLOBAL_DATA_PTR;
+
+ (void) get_clocks ();
+ gd->baudrate = 9600;
+ serial_init ();
+#endif
+ serial_puts ("\n");
+ serial_puts (s);
+ serial_puts ("\n enable SDRAM_DEBUG for more info\n");
+ for (;;);
+}
+
+
+#ifdef SDRAM_DEBUG
+
+void write_hex (unsigned char i)
+{
+ char cc;
+
+ cc = i >> 4;
+ cc &= 0xf;
+ if (cc > 9)
+ serial_putc (cc + 55);
+ else
+ serial_putc (cc + 48);
+ cc = i & 0xf;
+ if (cc > 9)
+ serial_putc (cc + 55);
+ else
+ serial_putc (cc + 48);
+}
+
+void write_4hex (unsigned long val)
+{
+ write_hex ((unsigned char) (val >> 24));
+ write_hex ((unsigned char) (val >> 16));
+ write_hex ((unsigned char) (val >> 8));
+ write_hex ((unsigned char) val);
+}
+
+#endif
+
+int board_pre_init (void)
+{
+ unsigned char dataout[1];
+ unsigned char datain[128];
+ unsigned long sdram_size;
+ SDRAM_SETUP *t = (SDRAM_SETUP *) sdram_setup_table;
+ unsigned long memclk;
+ unsigned long tmemclk = 0;
+ unsigned long tmp, bank, baseaddr, bank_size;
+ unsigned short i;
+ unsigned char rows, cols, banks, sdram_banks, density;
+ unsigned char supported_cal, trp_clocks, trcd_clocks, tras_clocks,
+ trc_clocks, tctp_clocks;
+ unsigned char cal_index, cal_val, spd_version, spd_chksum;
+ unsigned char buf[8];
+#ifdef SDRAM_DEBUG
+ DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+ memclk = get_bus_freq (tmemclk);
+ tmemclk = 1000000000 / (memclk / 100); /* in 10 ps units */
+
+#ifdef SDRAM_DEBUG
+ (void) get_clocks ();
+ gd->baudrate = 9600;
+ serial_init ();
+ serial_puts ("\nstart SDRAM Setup\n");
+#endif
+
+ /* Read Serial Presence Detect Information */
+ i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE);
+ dataout[0] = 0;
+ for (i = 0; i < 128; i++)
+ datain[i] = 127;
+ i2c_read(SPD_EEPROM_ADDRESS,0,1,datain,128);
+#ifdef SDRAM_DEBUG
+ serial_puts ("\ni2c_read returns ");
+ write_hex (i);
+ serial_puts ("\n");
+#endif
+
+#ifdef SDRAM_DEBUG
+ for (i = 0; i < 128; i++) {
+ write_hex (datain[i]);
+ serial_puts (" ");
+ if (((i + 1) % 16) == 0)
+ serial_puts ("\n");
+ }
+ serial_puts ("\n");
+#endif
+ spd_chksum = 0;
+ for (i = 0; i < 63; i++) {
+ spd_chksum += datain[i];
+ } /* endfor */
+ if (datain[63] != spd_chksum) {
+#ifdef SDRAM_DEBUG
+ serial_puts ("SPD chksum: 0x");
+ write_hex (datain[63]);
+ serial_puts (" != calc. chksum: 0x");
+ write_hex (spd_chksum);
+ serial_puts ("\n");
+#endif
+ SDRAM_err ("SPD checksum Error");
+ }
+ /* SPD seems to be ok, use it */
+
+ /* get SPD version */
+ spd_version = datain[62];
+
+ /* do some sanity checks on the kind of RAM */
+ if ((datain[0] < 0x80) || /* less than 128 valid bytes in SPD */
+ (datain[2] != 0x04) || /* if not SDRAM */
+ (!((datain[6] == 0x40) || (datain[6] == 0x48))) || /* or not (64 Bit or 72 Bit) */
+ (datain[7] != 0x00) || (datain[8] != 0x01) || /* or not LVTTL signal levels */
+ (datain[126] == 0x66)) /* or a 66Mhz modules */
+ SDRAM_err ("unsupported SDRAM");
+#ifdef SDRAM_DEBUG
+ serial_puts ("SDRAM sanity ok\n");
+#endif
+
+ /* get number of rows/cols/banks out of byte 3+4+5 */
+ rows = datain[3];
+ cols = datain[4];
+ banks = datain[5];
+
+ /* get number of SDRAM banks out of byte 17 and
+ supported CAS latencies out of byte 18 */
+ sdram_banks = datain[17];
+ supported_cal = datain[18] & ~0x81;
+
+ while (t->mode != 0) {
+ if ((t->row == rows) && (t->col == cols)
+ && (t->bank == sdram_banks))
+ break;
+ t++;
+ } /* endwhile */
+
+#ifdef SDRAM_DEBUG
+ serial_puts ("rows: ");
+ write_hex (rows);
+ serial_puts (" cols: ");
+ write_hex (cols);
+ serial_puts (" banks: ");
+ write_hex (banks);
+ serial_puts (" mode: ");
+ write_hex (t->mode);
+ serial_puts ("\n");
+#endif
+ if (t->mode == 0)
+ SDRAM_err ("unsupported SDRAM");
+ /* get tRP, tRCD, tRAS and density from byte 27+29+30+31 */
+#ifdef SDRAM_DEBUG
+ serial_puts ("tRP: ");
+ write_hex (datain[27]);
+ serial_puts ("\ntRCD: ");
+ write_hex (datain[29]);
+ serial_puts ("\ntRAS: ");
+ write_hex (datain[30]);
+ serial_puts ("\n");
+#endif
+
+ trp_clocks = (NSto10PS (datain[27]) + (tmemclk - 1)) / tmemclk;
+ trcd_clocks = (NSto10PS (datain[29]) + (tmemclk - 1)) / tmemclk;
+ tras_clocks = (NSto10PS (datain[30]) + (tmemclk - 1)) / tmemclk;
+ density = datain[31];
+
+ /* trc_clocks is sum of trp_clocks + tras_clocks */
+ trc_clocks = trp_clocks + tras_clocks;
+ /* ctp = ((trp + tras) - trp - trcd) => tras - trcd */
+ tctp_clocks =
+ ((NSto10PS (datain[30]) - NSto10PS (datain[29])) +
+ (tmemclk - 1)) / tmemclk;
+
+#ifdef SDRAM_DEBUG
+ serial_puts ("c_RP: ");
+ write_hex (trp_clocks);
+ serial_puts ("\nc_RCD: ");
+ write_hex (trcd_clocks);
+ serial_puts ("\nc_RAS: ");
+ write_hex (tras_clocks);
+ serial_puts ("\nc_RC: (RP+RAS): ");
+ write_hex (trc_clocks);
+ serial_puts ("\nc_CTP: ((RP+RAS)-RP-RCD): ");
+ write_hex (tctp_clocks);
+ serial_puts ("\nt_CTP: RAS - RCD: ");
+ write_hex ((unsigned
+ char) ((NSto10PS (datain[30]) -
+ NSto10PS (datain[29])) >> 8));
+ write_hex ((unsigned char) (NSto10PS (datain[30]) - NSto10PS (datain[29])));
+ serial_puts ("\ntmemclk: ");
+ write_hex ((unsigned char) (tmemclk >> 8));
+ write_hex ((unsigned char) (tmemclk));
+ serial_puts ("\n");
+#endif
+
+
+ cal_val = 255;
+ for (i = 6, cal_index = 0; (i > 0) && (cal_index < 3); i--) {
+ /* is this CAS latency supported ? */
+ if ((supported_cal >> i) & 0x01) {
+ buf[0] = datain[cal_indextable[cal_index]];
+ if (cal_index < 2) {
+ if (NS10to10PS (buf[0], spd_version) <= tmemclk)
+ cal_val = i;
+ } else {
+ /* SPD bytes 25+26 have another format */
+ if (NS4to10PS (buf[0], spd_version) <= tmemclk)
+ cal_val = i;
+ } /* endif */
+ cal_index++;
+ } /* endif */
+ } /* endfor */
+#ifdef SDRAM_DEBUG
+ serial_puts ("CAL: ");
+ write_hex (cal_val + 1);
+ serial_puts ("\n");
+#endif
+
+ if (cal_val == 255)
+ SDRAM_err ("unsupported SDRAM");
+
+ /* get SDRAM timing register */
+ mtdcr (memcfga, mem_sdtr1);
+ tmp = mfdcr (memcfgd) & ~0x018FC01F;
+ /* insert CASL value */
+/* tmp |= ((unsigned long)cal_val) << 23; */
+ tmp |= ((unsigned long) cal_val) << 23;
+ /* insert PTA value */
+ tmp |= ((unsigned long) (trp_clocks - 1)) << 18;
+ /* insert CTP value */
+/* tmp |= ((unsigned long)(trc_clocks - trp_clocks - trcd_clocks - 1)) << 16; */
+ tmp |= ((unsigned long) (trc_clocks - trp_clocks - trcd_clocks)) << 16;
+ /* insert LDF (always 01) */
+ tmp |= ((unsigned long) 0x01) << 14;
+ /* insert RFTA value */
+ tmp |= ((unsigned long) (trc_clocks - 4)) << 2;
+ /* insert RCD value */
+ tmp |= ((unsigned long) (trcd_clocks - 1)) << 0;
+
+#ifdef SDRAM_DEBUG
+ serial_puts ("sdtr: ");
+ write_4hex (tmp);
+ serial_puts ("\n");
+#endif
+
+ /* write SDRAM timing register */
+ mtdcr (memcfga, mem_sdtr1);
+ mtdcr (memcfgd, tmp);
+ baseaddr = CFG_SDRAM_BASE;
+ bank_size = (((unsigned long) density) << 22) / 2;
+ /* insert AM value */
+ tmp = ((unsigned long) t->mode - 1) << 13;
+ /* insert SZ value; */
+ switch (bank_size) {
+ case 0x00400000:
+ tmp |= ((unsigned long) 0x00) << 17;
+ break;
+ case 0x00800000:
+ tmp |= ((unsigned long) 0x01) << 17;
+ break;
+ case 0x01000000:
+ tmp |= ((unsigned long) 0x02) << 17;
+ break;
+ case 0x02000000:
+ tmp |= ((unsigned long) 0x03) << 17;
+ break;
+ case 0x04000000:
+ tmp |= ((unsigned long) 0x04) << 17;
+ break;
+ case 0x08000000:
+ tmp |= ((unsigned long) 0x05) << 17;
+ break;
+ case 0x10000000:
+ tmp |= ((unsigned long) 0x06) << 17;
+ break;
+ default:
+ SDRAM_err ("unsupported SDRAM");
+ } /* endswitch */
+ /* get SDRAM bank 0 register */
+ mtdcr (memcfga, mem_mb0cf);
+ bank = mfdcr (memcfgd) & ~0xFFCEE001;
+ bank |= (baseaddr | tmp | 0x01);
+#ifdef SDRAM_DEBUG
+ serial_puts ("bank0: baseaddr: ");
+ write_4hex (baseaddr);
+ serial_puts (" banksize: ");
+ write_4hex (bank_size);
+ serial_puts (" mb0cf: ");
+ write_4hex (bank);
+ serial_puts ("\n");
+#endif
+ baseaddr += bank_size;
+ sdram_size += bank_size;
+
+ /* write SDRAM bank 0 register */
+ mtdcr (memcfga, mem_mb0cf);
+ mtdcr (memcfgd, bank);
+
+ /* get SDRAM bank 1 register */
+ mtdcr (memcfga, mem_mb1cf);
+ bank = mfdcr (memcfgd) & ~0xFFCEE001;
+ sdram_size = 0;
+
+#ifdef SDRAM_DEBUG
+ serial_puts ("bank1: baseaddr: ");
+ write_4hex (baseaddr);
+ serial_puts (" banksize: ");
+ write_4hex (bank_size);
+#endif
+ if (banks == 2) {
+ bank |= (baseaddr | tmp | 0x01);
+ baseaddr += bank_size;
+ sdram_size += bank_size;
+ } /* endif */
+#ifdef SDRAM_DEBUG
+ serial_puts (" mb1cf: ");
+ write_4hex (bank);
+ serial_puts ("\n");
+#endif
+ /* write SDRAM bank 1 register */
+ mtdcr (memcfga, mem_mb1cf);
+ mtdcr (memcfgd, bank);
+
+ /* get SDRAM bank 2 register */
+ mtdcr (memcfga, mem_mb2cf);
+ bank = mfdcr (memcfgd) & ~0xFFCEE001;
+
+ bank |= (baseaddr | tmp | 0x01);
+
+#ifdef SDRAM_DEBUG
+ serial_puts ("bank2: baseaddr: ");
+ write_4hex (baseaddr);
+ serial_puts (" banksize: ");
+ write_4hex (bank_size);
+ serial_puts (" mb2cf: ");
+ write_4hex (bank);
+ serial_puts ("\n");
+#endif
+
+ baseaddr += bank_size;
+ sdram_size += bank_size;
+
+ /* write SDRAM bank 2 register */
+ mtdcr (memcfga, mem_mb2cf);
+ mtdcr (memcfgd, bank);
+
+ /* get SDRAM bank 3 register */
+ mtdcr (memcfga, mem_mb3cf);
+ bank = mfdcr (memcfgd) & ~0xFFCEE001;
+
+#ifdef SDRAM_DEBUG
+ serial_puts ("bank3: baseaddr: ");
+ write_4hex (baseaddr);
+ serial_puts (" banksize: ");
+ write_4hex (bank_size);
+#endif
+
+ if (banks == 2) {
+ bank |= (baseaddr | tmp | 0x01);
+ baseaddr += bank_size;
+ sdram_size += bank_size;
+ }
+ /* endif */
+#ifdef SDRAM_DEBUG
+ serial_puts (" mb3cf: ");
+ write_4hex (bank);
+ serial_puts ("\n");
+#endif
+
+ /* write SDRAM bank 3 register */
+ mtdcr (memcfga, mem_mb3cf);
+ mtdcr (memcfgd, bank);
+
+
+ /* get SDRAM refresh interval register */
+ mtdcr (memcfga, mem_rtr);
+ tmp = mfdcr (memcfgd) & ~0x3FF80000;
+
+ if (tmemclk < NSto10PS (16))
+ tmp |= 0x05F00000;
+ else
+ tmp |= 0x03F80000;
+
+ /* write SDRAM refresh interval register */
+ mtdcr (memcfga, mem_rtr);
+ mtdcr (memcfgd, tmp);
+
+ /* enable SDRAM controller with no ECC, 32-bit SDRAM width, 16 byte burst */
+ mtdcr (memcfga, mem_mcopt1);
+ tmp = (mfdcr (memcfgd) & ~0xFFE00000) | 0x80E00000;
+ mtdcr (memcfga, mem_mcopt1);
+ mtdcr (memcfgd, tmp);
+
+
+
+ /*-------------------------------------------------------------------------+
+ | Interrupt controller setup for the PIP405 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) SouthBridg; active low; level sensitive
+ | IRQ 26 (EXT IRQ 1) NMI: active low; level sensitive
+ | IRQ 27 (EXT IRQ 2) SMI: active Low; level sensitive
+ | IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive
+ | IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive
+ | IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive
+ | IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive
+ | Note for PIP405 board:
+ | An interrupt taken for the SouthBridge (IRQ 25) indicates that
+ | the Interrupt Controller in the South Bridge has caused the
+ | interrupt. The IC must be read to determine which device
+ | caused the interrupt.
+ |
+ +-------------------------------------------------------------------------*/
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+ mtdcr (uicer, 0x00000000); /* disable all ints */
+ mtdcr (uiccr, 0x00000000); /* set all to be non-critical (for now) */
+ mtdcr (uicpr, 0xFFFFFF80); /* set int polarities */
+ mtdcr (uictr, 0x10000000); /* set int trigger levels */
+ mtdcr (uicvcr, 0x00000001); /* set vect base=0,INT0 highest priority */
+ mtdcr (uicsr, 0xFFFFFFFF); /* clear all ints */
+
+ return 0;
+}
+
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ unsigned char s[50];
+ unsigned char bc;
+ int i;
+ backup_t *b = (backup_t *) s;
+
+ puts ("Board: ");
+
+ i = getenv_r ("serial#", s, 32);
+ if ((i == 0) || strncmp (s, "PIP405", 6)) {
+ get_backup_values (b);
+ if (strncmp (b->signature, "MPL\0", 4) != 0) {
+ puts ("### No HW ID - assuming PIP405");
+ } else {
+ b->serial_name[6] = 0;
+ printf ("%s SN: %s", b->serial_name,
+ &b->serial_name[7]);
+ }
+ } else {
+ s[6] = 0;
+ printf ("%s SN: %s", s, &s[7]);
+ }
+ bc = in8 (CONFIG_PORT_ADDR);
+ printf (" Boot Config: 0x%x\n", bc);
+ return (0);
+}
+
+
+/* ------------------------------------------------------------------------- */
+/* ------------------------------------------------------------------------- */
+/*
+ initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
+ the necessary info for SDRAM controller configuration
+*/
+/* ------------------------------------------------------------------------- */
+/* ------------------------------------------------------------------------- */
+static int test_dram (unsigned long ramsize);
+
+long int initdram (int board_type)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ unsigned long bank_reg[4], tmp, bank_size;
+ int i, ds;
+ unsigned long TotalSize;
+
+ ds = 0;
+ /* since the DRAM controller is allready set up,
+ * calculate the size with the bank registers
+ */
+ mtdcr (memcfga, mem_mb0cf);
+ bank_reg[0] = mfdcr (memcfgd);
+ mtdcr (memcfga, mem_mb1cf);
+ bank_reg[1] = mfdcr (memcfgd);
+ mtdcr (memcfga, mem_mb2cf);
+ bank_reg[2] = mfdcr (memcfgd);
+ mtdcr (memcfga, mem_mb3cf);
+ bank_reg[3] = mfdcr (memcfgd);
+ TotalSize = 0;
+ for (i = 0; i < 4; i++) {
+ if ((bank_reg[i] & 0x1) == 0x1) {
+ tmp = (bank_reg[i] >> 17) & 0x7;
+ bank_size = 4 << tmp;
+ TotalSize += bank_size;
+ } else
+ ds = 1;
+ }
+ if (ds == 1)
+ printf ("single-sided DIMM ");
+ else
+ printf ("double-sided DIMM ");
+ test_dram (TotalSize * 1024 * 1024);
+ /* bank 2 (SDRAM Clock 2) is not usable if 133MHz SDRAM IF */
+ (void) get_clocks();
+ if (gd->cpu_clk > 220000000)
+ TotalSize /= 2;
+ return (TotalSize * 1024 * 1024);
+}
+
+/* ------------------------------------------------------------------------- */
+
+
+static int test_dram (unsigned long ramsize)
+{
+ /* not yet implemented */
+ return (1);
+}
+
+
+int misc_init_r (void)
+{
+ return (0);
+}
+
+/***************************************************************************
+ * some helping routines
+ */
+
+int overwrite_console (void)
+{
+ return (in8 (CONFIG_PORT_ADDR) & 0x1); /* return TRUE if console should be overwritten */
+}
+
+
+
+extern int isa_init (void);
+
+
+void print_pip405_rev (void)
+{
+ unsigned char part, vers, cfg;
+
+ part = in8 (PLD_PART_REG);
+ vers = in8 (PLD_VERS_REG);
+ cfg = in8 (PLD_BOARD_CFG_REG);
+ printf ("Rev: PIP405-%d Rev %c PLD%d %d PLD%d %d\n",
+ 16 - ((cfg >> 4) & 0xf), (cfg & 0xf) + 'A', part & 0xf,
+ vers & 0xf, (part >> 4) & 0xf, (vers >> 4) & 0xf);
+}
+
+extern void check_env(void);
+
+
+int last_stage_init (void)
+{
+ print_pip405_rev ();
+ isa_init ();
+ show_stdio_dev ();
+ check_env();
+ return 0;
+}
+
+/************************************************************************
+* Print PIP405 Info
+************************************************************************/
+void print_pip405_info (void)
+{
+ unsigned char part, vers, cfg, ledu, sysman, flashcom, can, serpwr,
+ compwr, nicvga, scsirst;
+
+ part = in8 (PLD_PART_REG);
+ vers = in8 (PLD_VERS_REG);
+ cfg = in8 (PLD_BOARD_CFG_REG);
+ ledu = in8 (PLD_LED_USER_REG);
+ sysman = in8 (PLD_SYS_MAN_REG);
+ flashcom = in8 (PLD_FLASH_COM_REG);
+ can = in8 (PLD_CAN_REG);
+ serpwr = in8 (PLD_SER_PWR_REG);
+ compwr = in8 (PLD_COM_PWR_REG);
+ nicvga = in8 (PLD_NIC_VGA_REG);
+ scsirst = in8 (PLD_SCSI_RST_REG);
+ printf ("PLD Part %d version %d\n",
+ part & 0xf, vers & 0xf);
+ printf ("PLD Part %d version %d\n",
+ (part >> 4) & 0xf, (vers >> 4) & 0xf);
+ printf ("Board Revision %c\n", (cfg & 0xf) + 'A');
+ printf ("Population Options %d %d %d %d\n",
+ (cfg >> 4) & 0x1, (cfg >> 5) & 0x1,
+ (cfg >> 6) & 0x1, (cfg >> 7) & 0x1);
+ printf ("User LED0 %s User LED1 %s\n",
+ ((ledu & 0x1) == 0x1) ? "on" : "off",
+ ((ledu & 0x2) == 0x2) ? "on" : "off");
+ printf ("Additionally Options %d %d\n",
+ (ledu >> 2) & 0x1, (ledu >> 3) & 0x1);
+ printf ("User Config Switch %d %d %d %d\n",
+ (ledu >> 4) & 0x1, (ledu >> 5) & 0x1,
+ (ledu >> 6) & 0x1, (ledu >> 7) & 0x1);
+ switch (sysman & 0x3) {
+ case 0:
+ printf ("PCI Clocks are running\n");
+ break;
+ case 1:
+ printf ("PCI Clocks are stopped in POS State\n");
+ break;
+ case 2:
+ printf ("PCI Clocks are stopped when PCI_STP# is asserted\n");
+ break;
+ case 3:
+ printf ("PCI Clocks are stopped\n");
+ break;
+ }
+ switch ((sysman >> 2) & 0x3) {
+ case 0:
+ printf ("Main Clocks are running\n");
+ break;
+ case 1:
+ printf ("Main Clocks are stopped in POS State\n");
+ break;
+ case 2:
+ case 3:
+ printf ("PCI Clocks are stopped\n");
+ break;
+ }
+ printf ("INIT asserts %sINT2# (SMI)\n",
+ ((sysman & 0x10) == 0x10) ? "" : "not ");
+ printf ("INIT asserts %sINT1# (NMI)\n",
+ ((sysman & 0x20) == 0x20) ? "" : "not ");
+ printf ("INIT occured %d\n", (sysman >> 6) & 0x1);
+ printf ("SER1 is routed to %s\n",
+ ((flashcom & 0x1) == 0x1) ? "RS485" : "RS232");
+ printf ("COM2 is routed to %s\n",
+ ((flashcom & 0x2) == 0x2) ? "RS485" : "RS232");
+ printf ("RS485 is configured as %s duplex\n",
+ ((flashcom & 0x4) == 0x4) ? "full" : "half");
+ printf ("RS485 is connected to %s\n",
+ ((flashcom & 0x8) == 0x8) ? "COM1" : "COM2");
+ printf ("SER1 uses handshakes %s\n",
+ ((flashcom & 0x10) == 0x10) ? "DTR/DSR" : "RTS/CTS");
+ printf ("Bootflash is %swriteprotected\n",
+ ((flashcom & 0x20) == 0x20) ? "not " : "");
+ printf ("Bootflash VPP is %s\n",
+ ((flashcom & 0x40) == 0x40) ? "on" : "off");
+ printf ("Bootsector is %swriteprotected\n",
+ ((flashcom & 0x80) == 0x80) ? "not " : "");
+ switch ((can) & 0x3) {
+ case 0:
+ printf ("CAN Controller is on address 0x1000..0x10FF\n");
+ break;
+ case 1:
+ printf ("CAN Controller is on address 0x8000..0x80FF\n");
+ break;
+ case 2:
+ printf ("CAN Controller is on address 0xE000..0xE0FF\n");
+ break;
+ case 3:
+ printf ("CAN Controller is disabled\n");
+ break;
+ }
+ switch ((can >> 2) & 0x3) {
+ case 0:
+ printf ("CAN Controller Reset is ISA Reset\n");
+ break;
+ case 1:
+ printf ("CAN Controller Reset is ISA Reset and POS State\n");
+ break;
+ case 2:
+ case 3:
+ printf ("CAN Controller is in reset\n");
+ break;
+ }
+ if (((can >> 4) < 3) || ((can >> 4) == 8) || ((can >> 4) == 13))
+ printf ("CAN Interrupt is disabled\n");
+ else
+ printf ("CAN Interrupt is ISA INT%d\n", (can >> 4) & 0xf);
+ switch (serpwr & 0x3) {
+ case 0:
+ printf ("SER0 Drivers are enabled\n");
+ break;
+ case 1:
+ printf ("SER0 Drivers are disabled in the POS state\n");
+ break;
+ case 2:
+ case 3:
+ printf ("SER0 Drivers are disabled\n");
+ break;
+ }
+ switch ((serpwr >> 2) & 0x3) {
+ case 0:
+ printf ("SER1 Drivers are enabled\n");
+ break;
+ case 1:
+ printf ("SER1 Drivers are disabled in the POS state\n");
+ break;
+ case 2:
+ case 3:
+ printf ("SER1 Drivers are disabled\n");
+ break;
+ }
+ switch (compwr & 0x3) {
+ case 0:
+ printf ("COM1 Drivers are enabled\n");
+ break;
+ case 1:
+ printf ("COM1 Drivers are disabled in the POS state\n");
+ break;
+ case 2:
+ case 3:
+ printf ("COM1 Drivers are disabled\n");
+ break;
+ }
+ switch ((compwr >> 2) & 0x3) {
+ case 0:
+ printf ("COM2 Drivers are enabled\n");
+ break;
+ case 1:
+ printf ("COM2 Drivers are disabled in the POS state\n");
+ break;
+ case 2:
+ case 3:
+ printf ("COM2 Drivers are disabled\n");
+ break;
+ }
+ switch ((nicvga) & 0x3) {
+ case 0:
+ printf ("PHY is running\n");
+ break;
+ case 1:
+ printf ("PHY is in Power save mode in POS state\n");
+ break;
+ case 2:
+ case 3:
+ printf ("PHY is in Power save mode\n");
+ break;
+ }
+ switch ((nicvga >> 2) & 0x3) {
+ case 0:
+ printf ("VGA is running\n");
+ break;
+ case 1:
+ printf ("VGA is in Power save mode in POS state\n");
+ break;
+ case 2:
+ case 3:
+ printf ("VGA is in Power save mode\n");
+ break;
+ }
+ printf ("PHY is %sreseted\n", ((nicvga & 0x10) == 0x10) ? "" : "not ");
+ printf ("VGA is %sreseted\n", ((nicvga & 0x20) == 0x20) ? "" : "not ");
+ printf ("Reserved Configuration is %d %d\n", (nicvga >> 6) & 0x1,
+ (nicvga >> 7) & 0x1);
+ switch ((scsirst) & 0x3) {
+ case 0:
+ printf ("SCSI Controller is running\n");
+ break;
+ case 1:
+ printf ("SCSI Controller is in Power save mode in POS state\n");
+ break;
+ case 2:
+ case 3:
+ printf ("SCSI Controller is in Power save mode\n");
+ break;
+ }
+ printf ("SCSI termination is %s\n",
+ ((scsirst & 0x4) == 0x4) ? "disabled" : "enabled");
+ printf ("SCSI Controller is %sreseted\n",
+ ((scsirst & 0x10) == 0x10) ? "" : "not ");
+ printf ("IDE disks are %sreseted\n",
+ ((scsirst & 0x20) == 0x20) ? "" : "not ");
+ printf ("ISA Bus is %sreseted\n",
+ ((scsirst & 0x40) == 0x40) ? "" : "not ");
+ printf ("Super IO is %sreseted\n",
+ ((scsirst & 0x80) == 0x80) ? "" : "not ");
+}
+
+void user_led0 (unsigned char on)
+{
+ if (on == TRUE)
+ out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x1));
+ else
+ out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfe));
+}
+
+void user_led1 (unsigned char on)
+{
+ if (on == TRUE)
+ out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) | 0x2));
+ else
+ out8 (PLD_LED_USER_REG, (in8 (PLD_LED_USER_REG) & 0xfd));
+}
+
+void ide_set_reset (int idereset)
+{
+ /* if reset = 1 IDE reset will be asserted */
+ unsigned char resreg;
+
+ resreg = in8 (PLD_SCSI_RST_REG);
+ if (idereset == 1)
+ resreg |= 0x20;
+ else {
+ udelay(10000);
+ resreg &= 0xdf;
+ }
+ out8 (PLD_SCSI_RST_REG, resreg);
+}
+
+
--- /dev/null
+/*
+ * (C) Copyright 2001, 2002
+ * 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
+ */
+
+/*
+ * board/config.h - configuration options, board specific
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+/***********************************************************
+ * High Level Configuration Options
+ * (easy to change)
+ ***********************************************************/
+#define CONFIG_405GP 1 /* This is a PPC405 CPU */
+#define CONFIG_4xx 1 /* ...member of PPC4xx family */
+#define CONFIG_MIP405 1 /* ...on a MIP405 board */
+/***********************************************************
+ * Clock
+ ***********************************************************/
+#define CONFIG_SYS_CLK_FREQ 33000000 /* external frequency to pll */
+
+/***********************************************************
+ * Command definitions
+ ***********************************************************/
+#define CONFIG_COMMANDS \
+ (CONFIG_CMD_DFL | \
+ CFG_CMD_IDE | \
+ CFG_CMD_DHCP | \
+ CFG_CMD_CACHE | \
+ CFG_CMD_PCI | \
+ CFG_CMD_IRQ | \
+ CFG_CMD_ECHO | \
+ CFG_CMD_EEPROM | \
+ CFG_CMD_I2C | \
+ CFG_CMD_REGINFO | \
+ CFG_CMD_DATE | \
+ CFG_CMD_ELF | \
+ CFG_CMD_USB | \
+ CFG_CMD_MII | \
+ CFG_CMD_DOC | \
+ CFG_CMD_SAVES | \
+ CFG_CMD_BSP )
+
+/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
+#include <cmd_confdefs.h>
+
+#define CFG_HUSH_PARSER
+#define CFG_PROMPT_HUSH_PS2 "> "
+/**************************************************************
+ * I2C Stuff:
+ * the MIP405 is equiped with an Atmel 24C128/256 EEPROM at address
+ * 0x53.
+ * The Atmel EEPROM uses 16Bit addressing.
+ ***************************************************************/
+
+#define CONFIG_HARD_I2C /* I2c with hardware support */
+#define CFG_I2C_SPEED 50000 /* I2C speed and slave address */
+#define CFG_I2C_SLAVE 0x7F
+
+#define CFG_I2C_EEPROM_ADDR 0x53 /* EEPROM 24C128/256 */
+#define CFG_I2C_EEPROM_ADDR_LEN 2 /* Bytes of address */
+/* mask of address bits that overflow into the "EEPROM chip address" */
+#undef CFG_I2C_EEPROM_ADDR_OVERFLOW
+#define CFG_EEPROM_PAGE_WRITE_BITS 6 /* The Atmel 24C128/256 has */
+ /* 64 byte page write mode using*/
+ /* last 6 bits of the address */
+#define CFG_EEPROM_PAGE_WRITE_ENABLE /* enable Page write */
+#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10 /* and takes up to 10 msec */
+
+
+#define CFG_ENV_IS_IN_EEPROM 1 /* use EEPROM for environment vars */
+#define CFG_ENV_OFFSET 0x00000 /* environment starts at the beginning of the EEPROM */
+#define CFG_ENV_SIZE 0x00800 /* 2k bytes may be used for env vars */
+
+/***************************************************************
+ * Definitions for Serial Presence Detect EEPROM address
+ * (to get SDRAM settings)
+ ***************************************************************/
+#define SDRAM_EEPROM_WRITE_ADDRESS 0xA0
+#define SDRAM_EEPROM_READ_ADDRESS 0xA1
+
+/**************************************************************
+ * Environment definitions
+ **************************************************************/
+#define CONFIG_BAUDRATE 9600 /* STD Baudrate */
+#define CONFIG_BOOTDELAY 5
+/* autoboot (do NOT change this set environment variable "bootdelay" to -1 instead) */
+#define CONFIG_BOOT_RETRY_TIME -10 /* feature is avaiable but not enabled */
+#define CONFIG_ZERO_BOOTDELAY_CHECK /* check console even if bootdelay = 0 */
+
+#define CONFIG_BOOTCOMMAND "diskboot 200000 0:1; bootm" /* autoboot command */
+#define CONFIG_BOOTARGS "console=ttyS0,9600 root=/dev/hda5" /* boot arguments */
+
+#define CONFIG_IPADDR 10.0.0.100
+#define CONFIG_SERVERIP 10.0.0.1
+#define CONFIG_PREBOOT
+/***************************************************************
+ * defines if the console is stored in the environment
+ ***************************************************************/
+#define CFG_CONSOLE_IS_IN_ENV /* stdin, stdout and stderr are in evironment */
+/***************************************************************
+ * defines if an overwrite_console function exists
+ *************************************************************/
+#define CFG_CONSOLE_OVERWRITE_ROUTINE
+#define CFG_CONSOLE_INFO_QUIET
+/***************************************************************
+ * defines if the overwrite_console should be stored in the
+ * environment
+ **************************************************************/
+#undef CFG_CONSOLE_ENV_OVERWRITE
+
+/**************************************************************
+ * loads config
+ *************************************************************/
+#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
+#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
+
+#define CONFIG_MISC_INIT_R
+/***********************************************************
+ * Miscellaneous configurable options
+ **********************************************************/
+#define CFG_LONGHELP /* undef to save memory */
+#define CFG_PROMPT "=> " /* Monitor Command Prompt */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
+#else
+#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
+#endif
+#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
+#define CFG_MAXARGS 16 /* max number of command args */
+#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
+
+#define CFG_MEMTEST_START 0x0100000 /* memtest works on */
+#define CFG_MEMTEST_END 0x0C00000 /* 1 ... 12 MB in DRAM */
+
+#undef CFG_EXT_SERIAL_CLOCK /* no external serial clock used */
+#define CFG_BASE_BAUD 916667
+
+/* The following table includes the supported baudrates */
+#define CFG_BAUDRATE_TABLE \
+ { 300, 600, 1200, 2400, 4800, 9600, 19200, 38400, \
+ 57600, 115200, 230400, 460800, 921600 }
+
+#define CFG_LOAD_ADDR 0x200000 /* default load address */
+#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
+
+#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
+
+/*-----------------------------------------------------------------------
+ * PCI stuff
+ *-----------------------------------------------------------------------
+ */
+#define PCI_HOST_ADAPTER 0 /* configure as pci adapter */
+#define PCI_HOST_FORCE 1 /* configure as pci host */
+#define PCI_HOST_AUTO 2 /* detected via arbiter enable */
+
+#define CONFIG_PCI /* include pci support */
+#define CONFIG_PCI_HOST PCI_HOST_FORCE /* configure as pci-host */
+#define CONFIG_PCI_PNP /* pci plug-and-play */
+ /* resource configuration */
+#define CFG_PCI_SUBSYS_VENDORID 0x0000 /* PCI Vendor ID: to-do!!! */
+#define CFG_PCI_SUBSYS_DEVICEID 0x0000 /* PCI Device ID: to-do!!! */
+#define CFG_PCI_PTM1LA 0x00000000 /* point to sdram */
+#define CFG_PCI_PTM1MS 0x80000001 /* 2GB, enable hard-wired to 1 */
+#define CFG_PCI_PTM1PCI 0x00000000 /* Host: use this pci address */
+#define CFG_PCI_PTM2LA 0x00000000 /* disabled */
+#define CFG_PCI_PTM2MS 0x00000000 /* disabled */
+#define CFG_PCI_PTM2PCI 0x00000000 /* Host: use this pci address */
+
+/*-----------------------------------------------------------------------
+ * Start addresses for the final memory configuration
+ * (Set up by the startup code)
+ * Please note that CFG_SDRAM_BASE _must_ start at 0
+ */
+#define CFG_SDRAM_BASE 0x00000000
+#define CFG_FLASH_BASE 0xFFF80000
+#define CFG_MONITOR_BASE CFG_FLASH_BASE
+#define CFG_MONITOR_LEN (512 * 1024) /* Reserve 512 kB for Monitor */
+#define CFG_MALLOC_LEN (128 * 1024) /* Reserve 128 kB for malloc() */
+
+/*
+ * For booting Linux, the board info and command line data
+ * have to be in the first 8 MB of memory, since this is
+ * the maximum mapped by the Linux kernel during initialization.
+ */
+#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
+/*-----------------------------------------------------------------------
+ * FLASH organization
+ */
+#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
+#define CFG_MAX_FLASH_SECT 256 /* max number of sectors on one chip */
+
+#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
+#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
+
+/*-----------------------------------------------------------------------
+ * Cache Configuration
+ */
+#define CFG_DCACHE_SIZE 8192 /* For IBM 405 CPUs */
+#define CFG_CACHELINE_SIZE 32 /* ... */
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value */
+#endif
+
+/*
+ * Init Memory Controller:
+ */
+
+#define FLASH_BASE0_PRELIM 0xFFC00000 /* FLASH bank #0 */
+#define FLASH_BASE1_PRELIM 0 /* FLASH bank #1 */
+
+#define CONFIG_BOARD_PRE_INIT
+
+/* Peripheral Bus Mapping */
+#define PER_PLD_ADDR 0xF4000000 /* smallest window is 1MByte 0x10 0000*/
+#define PER_UART0_ADDR 0xF4100000 /* smallest window is 1MByte 0x10 0000*/
+#define PER_UART1_ADDR 0xF4200000 /* smallest window is 1MByte 0x10 0000*/
+
+#define MULTI_PURPOSE_SOCKET_ADDR 0xF8000000
+#define CONFIG_PORT_ADDR PER_PLD_ADDR + 5
+
+
+
+/*-----------------------------------------------------------------------
+ * Definitions for initial stack pointer and data area (in On Chip SRAM)
+ */
+#define CFG_TEMP_STACK_OCM 1
+#define CFG_OCM_DATA_ADDR 0xF0000000
+#define CFG_OCM_DATA_SIZE 0x1000
+#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of On Chip SRAM */
+#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of On Chip SRAM */
+#define CFG_GBL_DATA_SIZE 64 /* size in bytes reserved for initial data */
+#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
+#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
+
+/*
+ * Internal Definitions
+ *
+ * Boot Flags
+ */
+#define BOOTFLAG_COLD 0x01 /* Normal Power-On: Boot from FLASH */
+#define BOOTFLAG_WARM 0x02 /* Software reboot */
+
+
+/***********************************************************************
+ * External peripheral base address
+ ***********************************************************************/
+#define CFG_ISA_IO_BASE_ADDRESS 0xE8000000
+
+/***********************************************************************
+ * Last Stage Init
+ ***********************************************************************/
+#define CONFIG_LAST_STAGE_INIT
+/************************************************************
+ * Ethernet Stuff
+ ***********************************************************/
+#define CONFIG_MII 1 /* MII PHY management */
+#define CONFIG_PHY_ADDR 1 /* PHY address */
+
+/************************************************************
+ * RTC
+ ***********************************************************/
+#define CONFIG_RTC_MC146818
+#undef CONFIG_WATCHDOG /* watchdog disabled */
+
+/************************************************************
+ * IDE/ATA stuff
+ ************************************************************/
+#define CFG_IDE_MAXBUS 2 /* max. 2 IDE busses */
+#define CFG_IDE_MAXDEVICE (CFG_IDE_MAXBUS*2) /* max. 2 drives per IDE bus */
+
+#define CFG_ATA_BASE_ADDR CFG_ISA_IO_BASE_ADDRESS /* base address */
+#define CFG_ATA_IDE0_OFFSET 0x01F0 /* ide0 offste */
+#define CFG_ATA_IDE1_OFFSET 0x0170 /* ide1 offset */
+#define CFG_ATA_DATA_OFFSET 0 /* data reg offset */
+#define CFG_ATA_REG_OFFSET 0 /* reg offset */
+#define CFG_ATA_ALT_OFFSET 0x200 /* alternate register offset */
+
+#undef CONFIG_IDE_8xx_DIRECT /* no pcmcia interface required */
+#undef CONFIG_IDE_LED /* no led for ide supported */
+#define CONFIG_IDE_RESET /* reset for ide supported... */
+#define CONFIG_IDE_RESET_ROUTINE /* with a special reset function */
+
+/************************************************************
+ * ATAPI support (experimental)
+ ************************************************************/
+#define CONFIG_ATAPI /* enable ATAPI Support */
+
+/************************************************************
+ * SCSI support (experimental) only SYM53C8xx supported
+ ************************************************************/
+#undef CONFIG_SCSI_SYM53C8XX
+
+#ifdef CONFIG_SCSI_SYM53C8XX
+#define CFG_SCSI_MAX_LUN 8 /* number of supported LUNs */
+#define CFG_SCSI_MAX_SCSI_ID 7 /* maximum SCSI ID (0..6) */
+#define CFG_SCSI_MAX_DEVICE CFG_SCSI_MAX_SCSI_ID * CFG_SCSI_MAX_LUN /* maximum Target devices */
+#define CFG_SCSI_SPIN_UP_TIME 2
+#endif /* CONFIG_SCSI_SYM53C8XX */
+/************************************************************
+ * DISK Partition support
+ ************************************************************/
+#define CONFIG_DOS_PARTITION
+#define CONFIG_MAC_PARTITION
+#define CONFIG_ISO_PARTITION /* Experimental */
+
+/************************************************************
+ * Disk-On-Chip configuration
+ ************************************************************/
+#define CFG_MAX_DOC_DEVICE 1 /* Max number of DOC devices */
+#define CFG_DOC_SHORT_TIMEOUT
+#define CFG_DOC_SUPPORT_2000
+#define CFG_DOC_SUPPORT_MILLENNIUM
+/************************************************************
+ * Keyboard support
+ ************************************************************/
+#undef CONFIG_ISA_KEYBOARD
+
+/************************************************************
+ * Video support
+ ************************************************************/
+#define CONFIG_VIDEO /*To enable video controller support */
+#define CONFIG_VIDEO_CT69000
+#define CONFIG_CFB_CONSOLE
+#define CONFIG_VIDEO_LOGO
+#define CONFIG_CONSOLE_EXTRA_INFO
+#define CONFIG_VGA_AS_SINGLE_DEVICE
+#define CONFIG_VIDEO_SW_CURSOR
+#undef CONFIG_VIDEO_ONBOARD
+/************************************************************
+ * USB support EXPERIMENTAL
+ ************************************************************/
+#define CONFIG_USB_UHCI
+#define CONFIG_USB_KEYBOARD
+#define CONFIG_USB_STORAGE
+
+/* Enable needed helper functions */
+#define CFG_DEVICE_DEREGISTER /* needs device_deregister */
+
+/************************************************************
+ * Debug support
+ ************************************************************/
+#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
+#define CONFIG_KGDB_BAUDRATE 230400 /* speed to run kgdb serial port */
+#define CONFIG_KGDB_SER_INDEX 2 /* which serial port to use */
+#endif
+
+/************************************************************
+ * Ident
+ ************************************************************/
+#define VERSION_TAG "released"
+#define CONFIG_IDENT_STRING "\n(c) 2002 by MPL AG Switzerland, MEV-10072-001 " VERSION_TAG
+
+
+#endif /* __CONFIG_H */
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