diff options
Diffstat (limited to 'board/mpl')
| -rw-r--r-- | board/mpl/common/video.c | 760 | ||||
| -rw-r--r-- | board/mpl/common/video.h | 75 | ||||
| -rw-r--r-- | board/mpl/mip405/cmd_mip405.c | 57 | ||||
| -rw-r--r-- | board/mpl/mip405/mip405.c | 675 | ||||
| -rw-r--r-- | board/mpl/pip405/cmd_pip405.c | 63 |
5 files changed, 1630 insertions, 0 deletions
diff --git a/board/mpl/common/video.c b/board/mpl/common/video.c new file mode 100644 index 0000000..d92804a --- /dev/null +++ b/board/mpl/common/video.c @@ -0,0 +1,760 @@ +/* + * (C) Copyright 2001 + * Denis Peter, MPL AG Switzerland + * + * 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 + * + * Note: Parts of these software are imported from + * - UBL, The Universal Talkware Boot Loader + * Copyright (C) 2000 Universal Talkware Inc. + * - Linux + * + * + */ + +#include <common.h> + +#ifdef CONFIG_VIDEO + +#include <command.h> +#include <asm/processor.h> +#include <devices.h> +#include "video.h" +#include <pci.h> +#include "vga_table.h" + + + +#ifdef CONFIG_VIDEO_CT69000 +#define VIDEO_VEND_ID 0x102C +#define VIDEO_DEV_ID 0x00C0 +#else +#error CONFIG_VIDEO_CT69000 must be defined +#endif + +/* + * Routine for resent board info to video + * resides in pip405.c + */ +extern void video_write_board_info(void); + +#undef VGA_DEBUG + +#ifdef VGA_DEBUG +#define PRINTF(fmt,args...) printf (fmt ,##args) +#else +#define PRINTF(fmt,args...) +#endif + +#define VGA_MAXROWS 25 +#define VGA_MAXCOLS 80 + +#define CRTC_CURSH 14 /* cursor high pos */ +#define CRTC_CURSL 15 /* cursor low pos */ + +/* description of the hardware layout */ + +#define ATTRI_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3c0 /* Index and Data write port of the attribute Registers */ +#define ATTRI_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3c1 /* Data port of the attribute Registers */ +#define STATUS_REG0 CFG_ISA_IO_BASE_ADDRESS | 0x3c2 /* Status Register 0 (read only) */ +#define MSR_REG_W CFG_ISA_IO_BASE_ADDRESS | 0x3c2 /* Misc. Output Register (write only) */ +#define SEQ_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3c4 /* Index port of the Sequencer Controller */ +#define SEQ_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3c5 /* Data port of the Sequencer Controller */ +#define COL_PAL_MASK CFG_ISA_IO_BASE_ADDRESS | 0x3c6 /* Color Palette Mask */ +#define COL_PAL_STAT CFG_ISA_IO_BASE_ADDRESS | 0x3c7 /* Color Palette Status (read only) */ +#define COL_PAL_IND_R CFG_ISA_IO_BASE_ADDRESS | 0x3c7 /* Color Palette Read Mode Index (write only) */ +#define COL_PAL_IND_W CFG_ISA_IO_BASE_ADDRESS | 0x3c8 /* Color Palette Write Mode Index */ +#define COL_PAL_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3c9 /* Color Palette Data Port */ +#define FCR_REG_R CFG_ISA_IO_BASE_ADDRESS | 0x3ca /* Feature Control Register (read only) */ +#define MSR_REG_R CFG_ISA_IO_BASE_ADDRESS | 0x3cc /* Misc. Output Register (read only) */ +#define GR_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3ce /* Index port of the Graphic Controller Registers */ +#define GR_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3cf /* Data port of the Graphic Controller Registers */ +#define FP_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d0 /* Index port of the Flat panel Registers */ +#define FP_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d1 /* Data port of the Flat panel Registers */ +#define MR_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d2 /* Index Port of the Multimedia Extension */ +#define MR_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d3 /* Data Port of the Multimedia Extension */ +#define CRT_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d4 /* Index port of the CRT Controller */ +#define CRT_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d5 /* Data port of the CRT Controller */ +#define XREG_INDEX CFG_ISA_IO_BASE_ADDRESS | 0x3d6 /* Extended Register index */ +#define XREG_DATA CFG_ISA_IO_BASE_ADDRESS | 0x3d7 /* Extended Register data */ +#define STATUS_REG1 CFG_ISA_IO_BASE_ADDRESS | 0x3da /* Input Status Register 1 (read only) */ +#define FCR_REG_W CFG_ISA_IO_BASE_ADDRESS | 0x3da /* Feature Control Register (write only) */ + + +static unsigned char * video_fb; /* Frame buffer */ + +/* current hardware state */ + +static int video_row; +static int video_col; +static unsigned char video_attr; + +static unsigned int font_base_addr; +/********************************************************************** + * some forward declerations... + */ +int video_init(int busdevfunc); +void vga_set_attrib(void); +void vga_set_crt(void); +void vga_set_dac(void); +void vga_set_gr(void); +void vga_set_seq(void); +void vga_set_xreg(void); +void vga_write_sr(unsigned char reg,unsigned char val); +void vga_write_gr(unsigned char reg,unsigned char val); +void vga_write_cr(unsigned char reg,unsigned char val); +void vga_set_font(void); + +/*************************************************************************** + * Init VGA Device + */ + +int drv_video_init (void) +{ + int error, devices = 1 ; + device_t vgadev ; + int busdevfunc; + + busdevfunc=pci_find_device(VIDEO_VEND_ID,VIDEO_DEV_ID,0); /* get PCI Device ID */ + if(busdevfunc==-1) { +#ifdef CONFIG_VIDEO_ONBOARD + printf("Error VGA Controller (%04X,%04X) not found\n",VIDEO_VEND_ID,VIDEO_DEV_ID); +#endif + return -1; + } + video_init(busdevfunc); + video_write_board_info(); + memset (&vgadev, 0, sizeof(vgadev)); + + strcpy(vgadev.name, "vga"); + vgadev.flags = DEV_FLAGS_OUTPUT | DEV_FLAGS_SYSTEM; + vgadev.putc = video_putc; + vgadev.puts = video_puts; + vgadev.getc = NULL; + vgadev.tstc = NULL; + error = device_register (&vgadev); + + return (error == 0) ? devices : error ; +} + + +/*********************************************************** + * VGA Initializing + */ + +int video_init(int busdevfunc) +{ + pci_read_config_dword(busdevfunc, PCI_BASE_ADDRESS_0, &font_base_addr); + + video_fb = (char*)font_base_addr; /* we look into the big linaer memory area */ + + /* set the extended Registers */ + vga_set_xreg(); + + /* set IO Addresses to 0x3Dx (color mode ) */ + out8(MSR_REG_W,0x01); + + /* Feature Control Register: + Bits 7-4 Reserved = 0 + Bit 3 Vertical Sync select = 1 = Enabled + Bits 2-0 Reserved = 010 = as read from memory. + */ + out8(FCR_REG_W,0x02); + + + /* Miscelaneous output Register: + Bits 7-6 (num lines) = 01 = VGA 400 lines, + Bit 5 (Odd/Even Page) = 1 = Sleect high page of memory, + Bit 4 reserved = 0, + Bits 3-2 (Clocl Select) = 01 = 28.322Mhz + Bit 1 = Display Ram Enable = 1 = Enable processor access. + Bit 0 = Io Address Select = 1 = Color Graphics Enulation. + */ + out8(MSR_REG_W,0x67); + /* set the palette */ + vga_set_dac(); + /* set the attributes (before we bring up the engine + then we dont have to wait for refresh). + */ + vga_set_attrib(); + + /* set the crontroller register. */ + vga_set_crt(); + + vga_write_sr(0x00,0x01); /* synchronous reset */ + vga_write_sr(0x01,0x00); /* clocking mode */ + vga_write_sr(0x02,0x03); /* write to map 0, 1 */ + vga_write_sr(0x03,0x00); /* select character map 0 */ + vga_write_sr(0x04,0x03); /* even-odd addressing */ + vga_write_sr(0x00,0x03); /* clear synchronous reset */ + + vga_set_seq(); /* Set the extended sr's. */ + + vga_set_gr(); /* Set the graphic registers. */ + + /* load the font */ + vga_set_font(); + + /* initialize the rol/col counts and the text attribute. */ + video_row=0; + video_col=0; + video_attr = VGA_ATTR_CLR_WHT; + + /* Clear the video ram */ + video_clear(); + + return 1; +} + +void vga_set_font(void) +{ + int i,j; + char *fontmap; + fontmap = (char *)font_base_addr; + + vga_write_sr(0x00,0x01); /* synchronous reset */ + vga_write_sr(0x04,0x06); /* sequential addressing */ + vga_write_sr(0x02,0x04); /* write to map 2 */ + vga_write_sr(0x00,0x03); /* clear synchronous reset */ + + vga_write_gr(0x04,0x02); /* select map 2 */ + vga_write_gr(0x05,0x00); /* disable odd-even addressing */ + vga_write_gr(0x06,0x00); /* map start at 0xa0000 */ + + for(i=0;i<0x100;i++) { + for(j=0;j<0x10;j++) { + *((char *)fontmap+i*32+j)=(char)fontdata_8x16[i*16+j]; + } + } + vga_write_sr(0x00,0x01); /* synchronous reset */ + vga_write_sr(0x02,0x03); /* write to map 0 and 1 */ + vga_write_sr(0x04,0x03); /* odd-even addressing */ + vga_write_sr(0x03,0x00); /* Character map 0 & 1 */ + vga_write_sr(0x00,0x03); /* clear synchronous reset */ + + vga_write_gr(0x04,0x00); /* select map 0 for CPU */ + vga_write_gr(0x05,0x10); /* enable odd-even addressing */ + vga_write_gr(0x06,0x0E); /* map start at 0xb8000 */ +} + + +/* since we are BIG endian, swap attributes and char */ +unsigned short vga_swap_short(unsigned short val) +{ + unsigned short swapped; + swapped = ((val & 0xff)<<8) | ((val & 0xff00)>>8); + return swapped; +} + +/**************************************************** + * Routines usable Outside world + */ + +/* scolls the text up row rows */ +void video_scroll(int row) +{ + unsigned short clear = ((unsigned short)video_attr << 8) | (' '); + unsigned short* addr16 = &((unsigned short *)video_fb)[(VGA_MAXROWS-row)*VGA_MAXCOLS]; + int i; + + clear=vga_swap_short(clear); + memcpy(video_fb, video_fb+row*(VGA_MAXCOLS*2), (VGA_MAXROWS-row)*(VGA_MAXCOLS*2)); + for (i = 0 ; i < row * VGA_MAXCOLS ; i++) + addr16[i] = clear; + video_row-=row; + video_col=0; +} + + +unsigned long video_cursor(int col, int row) +{ + unsigned short off = row * VGA_MAXCOLS + col ; + unsigned long saved = (video_col << 16) | (video_row & 0xFFFF); + video_col = col; + video_row = row; + + vga_write_cr(CRTC_CURSH,(unsigned char)((off & 0xff00)>>8)); /* Cursor pos. high */ + vga_write_cr(CRTC_CURSL,(unsigned char)(off & 0xff)); /* Cursor pos. low */ + return saved; +} + +void video_set_lxy(unsigned long lxy) +{ + int col = (lxy >> 16) & 0xFFFF; + int row = lxy & 0xFFFF; + video_cursor(col,row); +} + +unsigned long video_get_lxy(void) +{ + return (video_col << 16) | (video_row & 0xFFFF); +} + +void video_clear(void) +{ + int i; + unsigned short clear = ((unsigned short)video_attr << 8) | (' '); + unsigned short * addr16 = (unsigned short * )video_fb; + clear=vga_swap_short(clear); + video_row = video_col = 0; + for (i = 0 ; i < 2000 ; i++) { + addr16[i] = clear; + } +} + +void video_copy(unsigned short *buffer) +{ + int i; + unsigned short * addr16 = (unsigned short * )video_fb; + for (i = 0 ; i < 2000 ; i++) { + buffer[i] = addr16[i]; + } +} + +void video_write(unsigned short *buffer) +{ + int i; + unsigned short * addr16 = (unsigned short *)video_fb; + for (i = 0 ; i < 2000 ; i++) { + addr16[i] = buffer[i]; + } +} + +void video_putc(char ch) +{ + char* addr; +#if 0 + char buf[48]; + char buf1[16]; + static int i=0; + + sprintf(buf1,"%02X ",ch); + serial_puts(buf1); + buf[i++]=((ch>=0x20)&&(ch<=0x7f)) ? ch : '.'; + if(i>=16) { + buf[i++]='\n'; + buf[i]='\0'; + i=0; + serial_puts(" "); + serial_puts(buf); + } +#endif + switch (ch) { + case '\n': + video_col=0; + video_row++; + break; + case '\r': + video_col=0; + break; + case '\t': + video_col += 8 - video_col % 8; + break; + case '\a': +/* beep(); */ + break; + case '\b': + if(video_col) + video_col--; + else + return; + break; + default: + addr = video_fb + 2 * video_row * 80 + 2 * video_col; + + *((char *)addr+1) = (char) video_attr; + *((char *)addr) = (char) ch; + video_col++; + if (video_col > (VGA_MAXCOLS-1)) { + video_row++; + video_col=0; + } + } + + /* If we're on the bottom of the secreen, wrap one row */ + if (video_row > (VGA_MAXROWS-1)) + video_scroll(1); + video_cursor(video_col, video_row); +} + + +unsigned char video_set_attr(unsigned char attr) +{ + unsigned char saved_attr = video_attr; + video_attr = attr; + return saved_attr; +} + +unsigned char video_set_attr_xy(unsigned char attr, int x, int y) +{ + unsigned char *addr = video_fb + (x * 80 + y) * 2 + 1; + unsigned char saved_attr = *addr; + *addr = attr; + return saved_attr; +} + +/* put char at xy */ +void video_putc_xy(char ch, int x, int y) +{ + video_col = x; + video_row = y; + video_putc(ch); +} + +/* put char at xy relative to the position */ +void video_putc_rxy(char ch, int x, int y) +{ + video_col += x; + video_row += y; + video_putc(ch); +} + +/* put char with attribute at xy */ +void video_putc_axy(char ch, char attr, int x, int y) +{ + unsigned char saved_attr = video_set_attr(attr); + video_col = x; + video_row = y; + video_putc(ch); + video_set_attr(saved_attr); +} + +void video_puts(const char *s) +{ + while(*s) { + video_putc(*s); + s++; + } +} + +void video_puts_a(const char *s, char attr) +{ + unsigned char saved_attr = video_set_attr(attr); + video_puts(s); + video_set_attr(saved_attr); +} + +void video_puts_xy(const char *s, int x, int y) +{ + video_cursor(x,y); + video_puts(s); +} + +void video_puts_axy(const char *s, char attr, int x, int y) +{ + unsigned char saved_attr = video_set_attr(attr); + video_puts_xy(s, x, y); + video_set_attr(saved_attr); +} + +void video_wipe_ca_area(unsigned char ch, char attr, int x, int y, int w, int h) +{ + int r, c; + /* better to do this as word writes */ + unsigned short * addr16 = (unsigned short *)video_fb + (y * 80 + x); + unsigned short charattr = (unsigned short)ch << 8 | attr; + charattr=vga_swap_short(charattr); + for (r = 0 ; r < h ; r++, addr16 += 80) { + for (c = 0 ; c < w ; c++) { + addr16[c] = charattr; + } + } +} + +void video_wipe_a_area(unsigned char attr, int x, int y, int w, int h) +{ + int r, c; + /* better to do this as word writes */ + unsigned short * addr16 = (unsigned short *)video_fb + (y * 80 + x); + for (r = 0 ; r < h ; r++, addr16 += 80) { + for (c = 0 ; c < w ; c++) { + ((char*)addr16)[c*2+1] = attr; + } + } +} + +void video_wipe_c_area(unsigned char ch, int x, int y, int w, int h) +{ + int r, c; + /* better to do this as word writes */ + unsigned short * addr16 = (unsigned short *)video_fb + (y * 80 + x); + for (r = 0 ; r < h ; r++, addr16 += 80) { + for (c = 0 ; c < w ; c++) { + ((char*)addr16)[c*2] = ch; + } + } +} + + +/* +tl t tr +l l +bl b br +*/ +typedef struct { + unsigned char tl; /* top left corner */ + unsigned char t; /* top edge */ + unsigned char tr; /* top right corner */ + unsigned char l; /* left edge */ + unsigned char r; /* right edge */ + unsigned char bl; /* bottom left corner */ + unsigned char b; /* bottom edge */ + unsigned char br; /* bottom right corner */ +} box_chars_t; + +box_chars_t sbox_chars = { + 0xDA, 0xC4, 0xBF, + 0xB3, 0xB3, + 0xC0, 0xC4, 0xD9 +}; + +box_chars_t dbox_chars = { + 0xC9, 0xCD, 0xBB, + 0xBA, 0xBA, + 0xC8, 0xCD, 0xBC +}; + +static char cmap[] = "0123456789ABCDEF"; +void video_putchex(char c) +{ + video_putc(cmap[(c >> 4 ) & 0xF]); + video_putc(cmap[c & 0xF]); +} + +void video_putchexl(char c) +{ + video_putc(cmap[c & 0xF]); +} + +void video_putchexh(char c) +{ + video_putc(cmap[(c >> 4) & 0xF]); +} + +#define VGA_CELL_CA(a,c) (((unsigned short)c<<8)|a) /* for BIG endians */ + +void video_gbox_area(box_chars_t *box_chars_p, int x, int y, int w, int h) +{ + int r, c; + /* better to do this as word writes */ + unsigned short* addr16 = (unsigned short *)video_fb + (y * VGA_MAXCOLS + x); + for (r = 0 ; r < h ; r++, addr16 += VGA_MAXCOLS) { + if (r == 0) { + addr16[0] = VGA_CELL_CA(video_attr, box_chars_p->tl); + addr16[w-1] = VGA_CELL_CA(video_attr, box_chars_p->tr); + for (c = 1 ; c < w - 1 ; c++) + addr16[c] = VGA_CELL_CA(video_attr, box_chars_p->t); + } else if (r == h - 1) { + addr16[0] = VGA_CELL_CA(video_attr, box_chars_p->bl); + addr16[w-1] = VGA_CELL_CA(video_attr, box_chars_p->br); + for (c = 1 ; c < w - 1 ; c++) + addr16[c] = VGA_CELL_CA(video_attr, box_chars_p->b); + } else { + addr16[0] = VGA_CELL_CA(video_attr, box_chars_p->l); + addr16[w-1] = VGA_CELL_CA(video_attr, box_chars_p->r); + } + } +} + +/* Writes a box on the screen */ +void video_box_area(int x, int y, int w, int h) { + video_gbox_area(&sbox_chars, x, y, w, h); +} +/*writes a box with double lines on the screen */ +void video_dbox_area(int x, int y, int w, int h) { + video_gbox_area(&dbox_chars, x, y, w, h); +} + +/* routines to set the VGA registers */ + +/* set attributes */ +void vga_set_attrib(void) +{ + int i; + unsigned char status; + + status=in8(STATUS_REG1); + i=0; + + while(attr[i].reg!=0xFF) { + out8(ATTRI_INDEX,attr[i].reg); + out8(ATTRI_INDEX,attr[i].val); /* Attribute uses index for index and data */ + i++; + } + out8(ATTRI_INDEX,0x20); /* unblank the screen */ +} + +/* set CRT Controller Registers */ +void vga_set_crt(void) +{ + int i; + i=0; + while(crtc[i].reg!=0xFF) { + out8(CRT_INDEX,crtc[i].reg); + out8(CRT_DATA,crtc[i].val); + i++; + } +} +/* Set Palette Registers (DAC) */ +void vga_set_dac(void) +{ + int i; + for(i=0;i<256;i++) { + out8(COL_PAL_IND_W,(unsigned char)i); + out8(COL_PAL_DATA,dac[i][0]); /* red */ + out8(COL_PAL_DATA,dac[i][1]); /* green */ + out8(COL_PAL_DATA,dac[i][2]); /* blue */ + } + out8(COL_PAL_MASK,0xff); /* set mask */ +} +/* set Graphic Controller Register */ +void vga_set_gr(void) +{ + int i; + i=0; + while(grmr[i].reg!=0xFF) { + out8(GR_INDEX,grmr[i].reg); + out8(GR_DATA,grmr[i].val); + i++; + } +} + +/* Set Sequencer Registers */ +void vga_set_seq(void) +{ + int i; + i=0; + while(seq[i].reg!=0xFF) { + out8(SEQ_INDEX,seq[i].reg); + out8(SEQ_DATA,seq[i].val); + i++; + } +} + + +/* Set Extension Registers */ +void vga_set_xreg(void) +{ + int i; + i=0; + while(xreg[i].reg!=0xFF) { + out8(XREG_INDEX,xreg[i].reg); + out8(XREG_DATA,xreg[i].val); + i++; + } +} + +/************************************************************ + * some helping routines + */ + +void vga_write_sr(unsigned char reg,unsigned char val) +{ + out8(SEQ_INDEX,reg); + out8(SEQ_DATA,val); +} + + +void vga_write_gr(unsigned char reg,unsigned char val) +{ + out8(GR_INDEX,reg); + out8(GR_DATA,val); +} + +void vga_write_cr(unsigned char reg,unsigned char val) +{ + out8(CRT_INDEX,reg); + out8(CRT_DATA,val); +} + + +#if 0 +void video_dump_reg(void) +{ + /* first dump attributes */ + int i; + unsigned char status; + + + printf("Extended Regs:\n"); + i=0; + while(xreg[i].reg!=0xFF) { + out8(XREG_INDEX,xreg[i].reg); + status=in8(XREG_DATA); + printf("XR%02X is %02X, should be %02X\n",xreg[i].reg,status,xreg[i].val); + i++; + } + printf("Sequencer Regs:\n"); + i=0; + while(seq[i].reg!=0xFF) { + out8(SEQ_INDEX,seq[i].reg); + status=in8(SEQ_DATA); + printf("SR%02X is %02X, should be %02X\n",seq[i].reg,status,seq[i].val); + i++; + } + printf("Graphic Regs:\n"); + i=0; + while(grmr[i].reg!=0xFF) { + out8(GR_INDEX,grmr[i].reg); + status=in8(GR_DATA); + printf("GR%02X is %02X, should be %02X\n",grmr[i].reg,status,grmr[i].val); + i++; + } + printf("CRT Regs:\n"); + i=0; + while(crtc[i].reg!=0xFF) { + out8(CRT_INDEX,crtc[i].reg); + status=in8(CRT_DATA); + printf("CR%02X is %02X, should be %02X\n",crtc[i].reg,status,crtc[i].val); + i++; + } + printf("Attributes:\n"); + status=in8(STATUS_REG1); + i=0; + while(attr[i].reg!=0xFF) { + out8(ATTRI_INDEX,attr[i].reg); + status=in8(ATTRI_DATA); + out8(ATTRI_INDEX,attr[i].val); /* Attribute uses index for index and data */ + printf("AR%02X is %02X, should be %02X\n",attr[i].reg,status,attr[i].val); + i++; + } +} +#endif + +#endif /* CONFIG_VIDEO */ + + + + + + + + + + + + + + + + + + + + diff --git a/board/mpl/common/video.h b/board/mpl/common/video.h new file mode 100644 index 0000000..f1fa8ab --- /dev/null +++ b/board/mpl/common/video.h @@ -0,0 +1,75 @@ +/* + * (C) Copyright 2001 + * Denis Peter, MPL AG Switzerland + * + * 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 + * + */ + +#ifdef CONFIG_VIDEO +#ifndef _VIDEO_H +#define _VIDEO_H + +int video_init(int busdevfunc); +void video_clear(void); +void video_putc(char ch); +void video_puts(const char *s); +void video_puts_a(const char *s, char attr); +unsigned char video_set_attr(unsigned char attr); + +void video_box_area(int x, int y, int w, int h); +void video_dbox_area(int x, int y, int w, int h); +void video_wipe_c_area(unsigned char ch, int x, int y, int w, int h); + +void video_wipe_a_area(unsigned char attr, int x, int y, int w, int h); +void video_wipe_ca_area(unsigned char ch, char attr, int x, int y, int w, int h); +void video_puts_axy(const char *s, char attr, int x, int y); +void video_putc_rxy(char ch, int x, int y); +void video_putc_xy(char ch, int x, int y); +unsigned char video_set_attr_xy(unsigned char attr, int x, int y); +void video_copy(unsigned short *buffer); +void video_write(unsigned short *buffer); + +#define VGA_ATTR_CLR_RED 0x4 +#define VGA_ATTR_CLR_GRN 0x2 +#define VGA_ATTR_CLR_BLU 0x1 +#define VGA_ATTR_CLR_YEL (VGA_ATTR_CLR_RED | VGA_ATTR_CLR_GRN) +#define VGA_ATTR_CLR_CYN (VGA_ATTR_CLR_GRN | VGA_ATTR_CLR_BLU) +#define VGA_ATTR_CLR_MAG (VGA_ATTR_CLR_BLU | VGA_ATTR_CLR_RED) +#define VGA_ATTR_CLR_BLK 0 +#define VGA_ATTR_CLR_WHT (VGA_ATTR_CLR_RED | VGA_ATTR_CLR_GRN | VGA_ATTR_CLR_BLU) + +#define VGA_ATTR_BNK 0x80 +#define VGA_ATTR_ITN 0x08 + +#define VGA_ATTR_BG_MSK 0x70 +#define VGA_ATTR_FG_MSK 0x07 + +#define VGA_ATTR_BG_GET(v) (((v) & VGA_ATTR_BG_MSK)>>4) +#define VGA_ATTR_BG_SET(v, c) (((c) & VGA_ATTR_FG_MSK)<<4) | (v & ~VGA_ATTR_BG_MSK)) + +#define VGA_ATTR_FG_GET(v) ((v) & VGA_ATTR_FG_MSK) +#define VGA_ATTR_FG_SET(v, c) ((c) & VGA_ATTR_FG_MSK) | (v & ~VGA_ATTR_FG_MSK)) + +#define VGA_ATTR_FG_BG_SET(v, b, f) (VGA_ATTR_BG_SET(v, b) | VGA_ATTR_FG_SET(v, cf)) + +#define VGA_ATTR_INVERT(A) ((((A)&0x7)<<4)|(((A)&0x70)>>4) |((A)&0x88)) + +#endif /* _VIDEO_H */ +#endif /* CONFIG_VIDEO */ diff --git a/board/mpl/mip405/cmd_mip405.c b/board/mpl/mip405/cmd_mip405.c new file mode 100644 index 0000000..6ec128f --- /dev/null +++ b/board/mpl/mip405/cmd_mip405.c @@ -0,0 +1,57 @@ +/* + * (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 + * + * hacked for MIP405 + */ + +#include <common.h> +#include <command.h> +#include "mip405.h" +#include "../common/common_util.h" + + +extern void print_mip405_info(void); +extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + + +/* ------------------------------------------------------------------------- */ + +int do_mip405(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + + ulong led_on; + + if (strcmp(argv[1], "info") == 0) + { + print_mip405_info(); + return 0; + } + if (strcmp(argv[1], "led") == 0) + { + led_on = (ulong)simple_strtoul(argv[2], NULL, 10); + user_led0(led_on); + return 0; + } + return (do_mplcommon(cmdtp, flag, argc, argv)); +} + +/* ------------------------------------------------------------------------- */ diff --git a/board/mpl/mip405/mip405.c b/board/mpl/mip405/mip405.c new file mode 100644 index 0000000..8bab47c --- /dev/null +++ b/board/mpl/mip405/mip405.c @@ -0,0 +1,675 @@ +/* + * (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 + */ + +/* + * How do I program the SDRAM Timing Register (SDRAM0_TR) for a specific SDRAM or DIMM? + * + * As an example, consider a case where PC133 memory with CAS Latency equal to 2 is being + * used with a 200MHz 405GP. For a typical 128Mb, PC133 SDRAM, the relevant minimum + * parameters from the datasheet are: + * Tclk = 7.5ns (CL = 2) + * Trp = 15ns + * Trc = 60ns + * Trcd = 15ns + * Trfc = 66ns + * + * If we are operating the 405GP with the MemClk output frequency set to 100 MHZ, the clock + * period is 10ns and the parameters needed for the Timing Register are: + * CASL = CL = 2 clock cycles + * PTA = Trp = 15ns / 10ns = 2 clock cycles + * CTP = Trc - Trcd - Trp = (60ns - 15ns - 15ns) / 10ns= 3 clock cycles + * LDF = 2 clock cycles (but can be extended to meet board-level timing) + * RFTA = Trfc = 66ns / 10ns= 7 clock cycles + * RCD = Trcd = 15ns / 10ns= 2 clock cycles + * + * The actual bit settings in the register would be: + * + * CASL = 0b01 + * PTA = 0b01 + * CTP = 0b10 + * LDF = 0b01 + * RFTA = 0b011 + * RCD = 0b01 + * + * If Trfc is not specified in the datasheet for PC100 or PC133 memory, set RFTA = Trc + * instead. Figure 24 in the PC SDRAM Specification Rev. 1.7 shows refresh to active delay + * defined as Trc rather than Trfc. + * When using DIMM modules, most but not all of the required timing parameters can be read + * from the Serial Presence Detect (SPD) EEPROM on the module. Specifically, Trc and Trfc + * are not available from the EEPROM + */ + +#include <common.h> +#include "mip405.h" +#include <asm/processor.h> +#include <405gp_i2c.h> +#include <miiphy.h> +#include "../common/common_util.h" +#include <i2c.h> +extern block_dev_desc_t * scsi_get_dev(int dev); +extern block_dev_desc_t * ide_get_dev(int dev); + +#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 + + +#define PLD_PART_REG PER_PLD_ADDR + 0 +#define PLD_VERS_REG PER_PLD_ADDR + 1 +#define PLD_BOARD_CFG_REG PER_PLD_ADDR + 2 +#define PLD_IRQ_REG PER_PLD_ADDR + 3 +#define PLD_COM_MODE_REG PER_PLD_ADDR + 4 +#define PLD_EXT_CONF_REG PER_PLD_ADDR + 5 + +#define MEGA_BYTE (1024*1024) + +typedef struct { + unsigned char boardtype; /* Board revision and Population Options */ + unsigned char cal; /* cas Latency (will be programmend as cal-1) */ + unsigned char trp; /* datain27 in clocks */ + unsigned char trcd; /* datain29 in clocks */ + unsigned char tras; /* datain30 in clocks */ + unsigned char tctp; /* tras - trcd in clocks */ + unsigned char am; /* Address Mod (will be programmed as am-1) */ + unsigned char sz; /* log binary => Size = (4MByte<<sz) 5 = 128, 4 = 64, 3 = 32, 2 = 16, 1=8 */ + unsigned char ecc; /* if true, ecc is enabled */ +} sdram_t; + +const sdram_t sdram_table[] = { + { 0x0f, /* Rev A, 128MByte -1 Board */ + 3, /* Case Latenty = 3 */ + 3, /* trp 20ns / 7.5 ns datain[27] */ + 3, /* trcd 20ns /7.5 ns (datain[29]) */ + 6, /* tras 44ns /7.5 ns (datain[30]) */ + 4, /* tcpt 44 - 20ns = 24ns */ + 3, /* Address Mode = 3 */ + 5, /* size value */ + 1}, /* ECC enabled */ + { 0x07, /* Rev A, 64MByte -2 Board */ + 3, /* Case Latenty = 3 */ + 3, /* trp 20ns / 7.5 ns datain[27] */ + 3, /* trcd 20ns /7.5 ns (datain[29]) */ + 6, /* tras 44ns /7.5 ns (datain[30]) */ + 4, /* tcpt 44 - 20ns = 24ns */ + 2, /* Address Mode = 2 */ + 4, /* size value */ + 1}, /* ECC enabled */ + { 0xff, /* terminator */ + 0xff, + 0xff, + 0xff, + 0xff, + 0xff, + 0xff, + 0xff } +}; + +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 (;;); +} + + +unsigned char get_board_revcfg (void) +{ + out8 (PER_BOARD_ADDR, 0); + return (in8 (PER_BOARD_ADDR)); +} + + +#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 init_sdram (void) +{ + DECLARE_GLOBAL_DATA_PTR; + + unsigned long tmp, baseaddr; + unsigned short i; + unsigned char trp_clocks, + trcd_clocks, + tras_clocks, + trc_clocks, + tctp_clocks; + unsigned char cal_val; + unsigned char bc; + unsigned long pbcr, sdram_tim, sdram_bank; + unsigned long *p; + + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + (void) get_clocks (); + gd->baudrate = 9600; + serial_init (); + serial_puts ("\nInitializing SDRAM, Please stand by"); + mtdcr (ebccfga, pb0cr); /* get cs0 config reg */ + pbcr = mfdcr (ebccfgd); + if ((pbcr & 0x00002000) == 0) { + /* MPS Boot, set up the flash */ + mtdcr (ebccfga, pb1ap); + mtdcr (ebccfgd, FLASH_AP); + mtdcr (ebccfga, pb1cr); + mtdcr (ebccfgd, FLASH_CR); + } else { + /* Flash boot, set up the MPS */ + mtdcr (ebccfga, pb1ap); + mtdcr (ebccfgd, MPS_AP); + mtdcr (ebccfga, pb1cr); + mtdcr (ebccfgd, MPS_CR); + } + /* set up UART0 (CS2) and UART1 (CS3) */ + mtdcr (ebccfga, pb2ap); + mtdcr (ebccfgd, UART0_AP); + mtdcr (ebccfga, pb2cr); + mtdcr (ebccfgd, UART0_CR); + mtdcr (ebccfga, pb3ap); + mtdcr (ebccfgd, UART1_AP); + mtdcr (ebccfga, pb3cr); + mtdcr (ebccfgd, UART1_CR); + + /* set up the pld */ + mtdcr (ebccfga, pb7ap); + mtdcr (ebccfgd, PLD_AP); + mtdcr (ebccfga, pb7cr); + mtdcr (ebccfgd, PLD_CR); + /* set up the board rev reg */ + mtdcr (ebccfga, pb5ap); + mtdcr (ebccfgd, BOARD_AP); + mtdcr (ebccfga, pb5cr); + mtdcr (ebccfgd, BOARD_CR); + + +#ifdef SDRAM_DEBUG + out8 (PER_BOARD_ADDR, 0); + bc = in8 (PER_BOARD_ADDR); + serial_puts ("\nBoard Rev: "); + write_hex (bc); + serial_puts (" (PLD="); + bc = in8 (PLD_BOARD_CFG_REG); + write_hex (bc); + serial_puts (")\n"); +#endif + bc = get_board_revcfg (); +#ifdef SDRAM_DEBUG + serial_puts ("\nstart SDRAM Setup\n"); + serial_puts ("\nBoard Rev: "); + write_hex (bc); + serial_puts ("\n"); +#endif + i = 0; + baseaddr = CFG_SDRAM_BASE; + while (sdram_table[i].sz != 0xff) { + if (sdram_table[i].boardtype == bc) + break; + i++; + } + if (sdram_table[i].boardtype != bc) + SDRAM_err ("No SDRAM table found for this board!!!\n"); +#ifdef SDRAM_DEBUG + serial_puts (" found table "); + write_hex (i); + serial_puts (" \n"); +#endif + cal_val = sdram_table[i].cal - 1; /* Cas Latency */ + trp_clocks = sdram_table[i].trp; /* 20ns / 7.5 ns datain[27] */ + trcd_clocks = sdram_table[i].trcd; /* 20ns /7.5 ns (datain[29]) */ + tras_clocks = sdram_table[i].tras; /* 44ns /7.5 ns (datain[30]) */ + /* ctp = ((trp + tras) - trp - trcd) => tras - trcd */ + tctp_clocks = sdram_table[i].tctp; /* 44 - 20ns = 24ns */ + /* trc_clocks is sum of trp_clocks + tras_clocks */ + trc_clocks = trp_clocks + tras_clocks; + /* get SDRAM timing register */ + mtdcr (memcfga, mem_sdtr1); + sdram_tim = mfdcr (memcfgd) & ~0x018FC01F; + /* insert CASL value */ + sdram_tim |= ((unsigned long) (cal_val)) << 23; + /* insert PTA value */ + sdram_tim |= ((unsigned long) (trp_clocks - 1)) << 18; + /* insert CTP value */ + sdram_tim |= + ((unsigned long) (trc_clocks - trp_clocks - + trcd_clocks)) << 16; + /* insert LDF (always 01) */ + sdram_tim |= ((unsigned long) 0x01) << 14; + /* insert RFTA value */ + sdram_tim |= ((unsigned long) (trc_clocks - 4)) << 2; + /* insert RCD value */ + sdram_tim |= ((unsigned long) (trcd_clocks - 1)) << 0; + + tmp = ((unsigned long) (sdram_table[i].am - 1) << 13); /* AM = 3 */ + /* insert SZ value; */ + tmp |= ((unsigned long) sdram_table[i].sz << 17); + /* get SDRAM bank 0 register */ + mtdcr (memcfga, mem_mb0cf); + sdram_bank = mfdcr (memcfgd) & ~0xFFCEE001; + sdram_bank |= (baseaddr | tmp | 0x01); + +#ifdef SDRAM_DEBUG + serial_puts ("sdtr: "); + write_4hex (sdram_tim); + serial_puts ("\n"); +#endif + + /* write SDRAM timing register */ + mtdcr (memcfga, mem_sdtr1); + mtdcr (memcfgd, sdram_tim); + +#ifdef SDRAM_DEBUG + serial_puts ("mb0cf: "); + write_4hex (sdram_bank); + serial_puts ("\n"); +#endif + + /* write SDRAM bank 0 register */ + mtdcr (memcfga, mem_mb0cf); + mtdcr (memcfgd, sdram_bank); + + if (get_bus_freq (tmp) > 110000000) { /* > 110MHz */ + /* get SDRAM refresh interval register */ + mtdcr (memcfga, mem_rtr); + tmp = mfdcr (memcfgd) & ~0x3FF80000; + tmp |= 0x07F00000; + } else { + /* get SDRAM refresh interval register */ + mtdcr (memcfga, mem_rtr); + tmp = mfdcr (memcfgd) & ~0x3FF80000; + tmp |= 0x05F00000; + } + /* write SDRAM refresh interval register */ + mtdcr (memcfga, mem_rtr); + mtdcr (memcfgd, tmp); + /* enable ECC if used */ +#if 1 + if (sdram_table[i].ecc) { + /* disable checking for all banks */ +#ifdef SDRAM_DEBUG + serial_puts ("disable ECC.. "); +#endif + mtdcr (memcfga, mem_ecccf); + tmp = mfdcr (memcfgd); + tmp &= 0xff0fffff; /* disable all banks */ + mtdcr (memcfga, mem_ecccf); + /* set up SDRAM Controller with ECC enabled */ +#ifdef SDRAM_DEBUG + serial_puts ("setup SDRAM Controller.. "); +#endif + mtdcr (memcfgd, tmp); + mtdcr (memcfga, mem_mcopt1); + tmp = (mfdcr (memcfgd) & ~0xFFE00000) | 0x90800000; + mtdcr (memcfga, mem_mcopt1); + mtdcr (memcfgd, tmp); + udelay (600); +#ifdef SDRAM_DEBUG + serial_puts ("fill the memory..\n"); +#endif + serial_puts ("."); + /* now, fill all the memory */ + tmp = ((4 * MEGA_BYTE) << sdram_table[i].sz); + p = (unsigned long) 0; + while ((unsigned long) p < tmp) { + *p++ = 0L; + if (!((unsigned long) p % 0x00800000)) /* every 8MByte */ + serial_puts ("."); + + + } + /* enable bank 0 */ + serial_puts ("."); +#ifdef SDRAM_DEBUG + serial_puts ("enable ECC\n"); +#endif + udelay (400); + mtdcr (memcfga, mem_ecccf); + tmp = mfdcr (memcfgd); + tmp |= 0x00800000; /* enable bank 0 */ + mtdcr (memcfgd, tmp); + udelay (400); + } else +#endif + { + /* enable SDRAM controller with no ECC, 32-bit SDRAM width, 16 byte burst */ + mtdcr (memcfga, mem_mcopt1); + tmp = (mfdcr (memcfgd) & ~0xFFE00000) | 0x80C00000; + mtdcr (memcfga, mem_mcopt1); + mtdcr (memcfgd, tmp); + udelay (400); + } + serial_puts ("\n"); + return (0); +} + +int board_pre_init (void) +{ + init_sdram (); + + /*-------------------------------------------------------------------------+ + | 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) SouthBridge; 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 MIP405 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; +} + + +/* + * Get some PLD Registers + */ + +unsigned short get_pld_parvers (void) +{ + unsigned short result; + unsigned char rc; + + rc = in8 (PLD_PART_REG); + result = (unsigned short) rc << 8; + rc = in8 (PLD_VERS_REG); + result |= rc; + return result; +} + + + +void user_led0 (unsigned char on) +{ + if (on) + out8 (PLD_COM_MODE_REG, (in8 (PLD_COM_MODE_REG) | 0x4)); + else + out8 (PLD_COM_MODE_REG, (in8 (PLD_COM_MODE_REG) & 0xfb)); +} + + +void ide_set_reset (int idereset) +{ + /* if reset = 1 IDE reset will be asserted */ + if (idereset) + out8 (PLD_COM_MODE_REG, (in8 (PLD_COM_MODE_REG) | 0x1)); + else { + udelay (10000); + out8 (PLD_COM_MODE_REG, (in8 (PLD_COM_MODE_REG) & 0xfe)); + } +} + + +/* ------------------------------------------------------------------------- */ + +/* + * Check Board Identity: + */ + +int checkboard (void) +{ + unsigned char s[50]; + unsigned char bc, var, rc; + int i; + backup_t *b = (backup_t *) s; + + puts ("Board: "); + + bc = get_board_revcfg (); + var = ~bc; + var &= 0xf; + rc = 0; + for (i = 0; i < 4; i++) { + rc <<= 1; + rc += (var & 0x1); + var >>= 1; + } + rc++; + i = getenv_r ("serial#", s, 32); + if ((i == 0) || strncmp (s, "MIP405", 6)) { + get_backup_values (b); + if (strncmp (b->signature, "MPL\0", 4) != 0) { + puts ("### No HW ID - assuming MIP405"); + printf ("-%d Rev %c", rc, 'A' + ((bc >> 4) & 0xf)); + } else { + b->serial_name[6] = 0; + printf ("%s-%d Rev %c SN: %s", b->serial_name, rc, + 'A' + ((bc >> 4) & 0xf), &b->serial_name[7]); + } + } else { + s[6] = 0; + printf ("%s-%d Rev %c SN: %s", s, rc, 'A' + ((bc >> 4) & 0xf), + &s[7]); + } + bc = in8 (PLD_EXT_CONF_REG); + 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) +{ + + 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; + } + mtdcr (memcfga, mem_ecccf); + tmp = mfdcr (memcfgd); + + if (!tmp) + printf ("No "); + printf ("ECC "); + + test_dram (TotalSize * MEGA_BYTE); + return (TotalSize * MEGA_BYTE); +} + +/* ------------------------------------------------------------------------- */ + +extern int mem_test (unsigned long start, unsigned long ramsize, + int quiet); + +static int test_dram (unsigned long ramsize) +{ +#ifdef SDRAM_DEBUG + mem_test (0L, ramsize, 1); +#endif + /* not yet implemented */ + return (1); +} + +int misc_init_r (void) +{ + return (0); +} + + +void print_mip405_rev (void) +{ + unsigned char part, vers, cfg, rev; + + cfg = get_board_revcfg (); + vers = cfg; + vers &= 0xf; + rev = (((vers & 0x1) ? 0x8 : 0) | + ((vers & 0x2) ? 0x4 : 0) | + ((vers & 0x4) ? 0x2 : 0) | ((vers & 0x8) ? 0x1 : 0)); + + part = in8 (PLD_PART_REG); + vers = in8 (PLD_VERS_REG); + printf ("Rev: MIP405-%d Rev %c PLD%d Vers %d\n", + (16 - rev), ((cfg >> 4) & 0xf) + 'A', part, vers); +} + + +int last_stage_init (void) +{ + if (miiphy_write (0x1, 0x14, 0x2402) != 0) { + printf ("Error writing to the PHY\n"); + } + print_mip405_rev (); + show_stdio_dev (); + check_env (); + return 0; +} + +/*************************************************************************** + * some helping routines + */ + +int overwrite_console (void) +{ + return ((in8 (PLD_EXT_CONF_REG) & 0x1)==0); /* return TRUE if console should be overwritten */ +} + + +/************************************************************************ +* Print MIP405 Info +************************************************************************/ +void print_mip405_info (void) +{ + unsigned char part, vers, cfg, irq_reg, com_mode, ext; + + part = in8 (PLD_PART_REG); + vers = in8 (PLD_VERS_REG); + cfg = in8 (PLD_BOARD_CFG_REG); + irq_reg = in8 (PLD_IRQ_REG); + com_mode = in8 (PLD_COM_MODE_REG); + ext = in8 (PLD_EXT_CONF_REG); + + printf ("PLD Part %d version %d\n", part, vers); + printf ("Board Revision %c\n", ((cfg >> 4) & 0xf) + 'A'); + printf ("Population Options %d %d %d %d\n", (cfg) & 0x1, + (cfg >> 1) & 0x1, (cfg >> 2) & 0x1, (cfg >> 3) & 0x1); + printf ("User LED %s\n", (com_mode & 0x4) ? "on" : "off"); + printf ("UART Clocks %d\n", (com_mode >> 4) & 0x3); + printf ("Test ist %x\n", com_mode); + printf ("User Config Switch %d %d %d %d %d %d %d %d\n", + (ext) & 0x1, (ext >> 1) & 0x1, (ext >> 2) & 0x1, + (ext >> 3) & 0x1, (ext >> 4) & 0x1, (ext >> 5) & 0x1, + (ext >> 6) & 0x1, (ext >> 7) & 0x1); + printf ("SER1 uses handshakes %s\n", + (ext & 0x80) ? "DTR/DSR" : "RTS/CTS"); + printf ("IDE Reset %s\n", (ext & 0x01) ? "asserted" : "not asserted"); + printf ("IRQs:\n"); + printf (" PIIX INTR: %s\n", (irq_reg & 0x80) ? "inactive" : "active"); + printf (" UART0 IRQ: %s\n", (irq_reg & 0x40) ? "inactive" : "active"); + printf (" UART1 IRQ: %s\n", (irq_reg & 0x20) ? "inactive" : "active"); + printf (" PIIX SMI: %s\n", (irq_reg & 0x10) ? "inactive" : "active"); + printf (" PIIX INIT: %s\n", (irq_reg & 0x8) ? "inactive" : "active"); + printf (" PIIX NMI: %s\n", (irq_reg & 0x4) ? "inactive" : "active"); +} + + diff --git a/board/mpl/pip405/cmd_pip405.c b/board/mpl/pip405/cmd_pip405.c new file mode 100644 index 0000000..0d1ce11 --- /dev/null +++ b/board/mpl/pip405/cmd_pip405.c @@ -0,0 +1,63 @@ +/* + * (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 + * + * hacked for PIP405 + */ + +#include <common.h> +#include <command.h> +#include "pip405.h" +#include "../common/common_util.h" + + +extern void print_pip405_info(void); +extern int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); + + + +/* ------------------------------------------------------------------------- */ + +int do_pip405(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + + ulong led_on,led_nr; + + if (strcmp(argv[1], "info") == 0) + { + print_pip405_info(); + return 0; + } + if (strcmp(argv[1], "led") == 0) + { + led_nr = (ulong)simple_strtoul(argv[2], NULL, 10); + led_on = (ulong)simple_strtoul(argv[3], NULL, 10); + if(!led_nr) + user_led0(led_on); + else + user_led1(led_on); + return 0; + } + + return (do_mplcommon(cmdtp, flag, argc, argv)); +} + +/* ------------------------------------------------------------------------- */ |