Remove the bios emulator from MAI board.

The bios emulator in the MAI board can not pass compile
and have a lot of crap in it. remove it and will have a
clean and small bios emulator in the drivers directory
which can be uesed for every board.

Signed-off-by: Jason Jin <Jason.jin@freescale.com>

1 files changed, 0 insertions, 814 deletions

diff --git a/board/MAI/bios_emulator/x86interface.c b/board/MAI/bios_emulator/x86interface.c
deleted file mode 100644
index 909cb3c..0000000
--- a/board/MAI/bios_emulator/x86interface.c
+++ /dev/null
@@ -1,814 +0,0 @@
-#include "x86emu.h"
-#include "glue.h"
-
-
-/*
- * This isn't nice, but there are a lot of incompatibilities in the U-Boot and scitech include
- * files that this is the only really workable solution.
- * Might be cleaned out later.
- */
-
-#ifdef DEBUG
-#undef DEBUG
-#endif
-
-#undef IO_LOGGING
-#undef MEM_LOGGING
-
-#ifdef IO_LOGGING
-#define LOGIO(port, format, args...) if (dolog(port)) _printf(format , ## args)
-#else
-#define LOGIO(port, format, args...)
-#endif
-
-#ifdef MEM_LOGGIN
-#define LOGMEM(format, args...) _printf(format , ## args)
-#else
-#define LOGMEM(format, args...)
-#endif
-
-#ifdef DEBUG
-#define PRINTF(format, args...) _printf(format , ## args)
-#else
-#define PRINTF(format, argc...)
-#endif
-
-typedef unsigned char UBYTE;
-typedef unsigned short UWORD;
-typedef unsigned long ULONG;
-
-typedef char BYTE;
-typedef short WORT;
-typedef long LONG;
-
-#define EMULATOR_MEM_SIZE       (1024*1024)
-#define EMULATOR_BIOS_OFFSET    0xC0000
-#define EMULATOR_STRAP_OFFSET   0x30000
-#define EMULATOR_STACK_OFFSET   0x20000
-#define EMULATOR_LOGO_OFFSET    0x40000 /* If you change this, change the strap code, too */
-#define VIDEO_BASE (void *)0xFD0B8000
-
-extern char *getenv(char *);
-extern int tstc(void);
-extern int getc(void);
-extern unsigned char video_get_attr(void);
-
-int atoi(char *string)
-{
-    int res = 0;
-    while (*string>='0' && *string <='9')
-    {
-	res *= 10;
-	res += *string-'0';
-	string++;
-    }
-
-    return res;
-}
-
-void cons_gets(char *buffer)
-{
-    int i = 0;
-    char c = 0;
-
-    buffer[0] = 0;
-    if (getenv("x86_runthru")) return; /*FIXME: */
-    while (c != 0x0D && c != 0x0A)
-    {
-	while (!tstc());
-	c = getc();
-	if (c>=32 && c < 127)
-	{
-	    buffer[i] = c;
-	    i++;
-	    buffer[i] = 0;
-	    putc(c);
-	}
-	else
-	{
-	    if (c == 0x08)
-	    {
-		if (i>0) i--;
-		buffer[i] = 0;
-	    }
-	}
-    }
-    buffer[i] = '\n';
-    buffer[i+1] = 0;
-}
-
-char *bios_date = "08/14/02";
-UBYTE model = 0xFC;
-UBYTE submodel = 0x00;
-
-static inline UBYTE read_byte(volatile UBYTE* from)
-{
-    int x;
-    asm volatile ("lbz %0,%1\n eieio" : "=r" (x) : "m" (*from));
-    return (UBYTE)x;
-}
-
-static inline void write_byte(volatile UBYTE *to, int x)
-{
-    asm volatile ("stb %1,%0\n eieio" : "=m" (*to) : "r" (x));
-}
-
-static inline UWORD read_word_little(volatile UWORD *from)
-{
-    int x;
-    asm volatile ("lhbrx %0,0,%1\n eieio" : "=r" (x) : "r" (from), "m" (*from));
-    return (UWORD)x;
-}
-
-static inline UWORD read_word_big(volatile UWORD *from)
-{
-    int x;
-    asm volatile ("lhz %0,%1\n eieio" : "=r" (x) : "m" (*from));
-    return (UWORD)x;
-}
-
-static inline void write_word_little(volatile UWORD *to, int x)
-{
-    asm volatile ("sthbrx %1,0,%2\n eieio" : "=m" (*to) : "r" (x), "r" (to));
-}
-
-static inline void write_word_big(volatile UWORD *to, int x)
-{
-    asm volatile ("sth %1,%0\n eieio" : "=m" (*to) : "r" (x));
-}
-
-static inline ULONG read_long_little(volatile ULONG *from)
-{
-    unsigned long x;
-    asm volatile ("lwbrx %0,0,%1\n eieio" : "=r" (x) : "r" (from), "m"(*from));
-    return (ULONG)x;
-}
-
-static inline ULONG read_long_big(volatile ULONG *from)
-{
-    unsigned long x;
-    asm volatile ("lwz %0,%1\n eieio" : "=r" (x) : "m" (*from));
-    return (ULONG)x;
-}
-
-static inline void write_long_little(volatile ULONG *to, ULONG x)
-{
-    asm volatile ("stwbrx %1,0,%2\n eieio" : "=m" (*to) : "r" (x), "r" (to));
-}
-
-static inline void write_long_big(volatile ULONG *to, ULONG x)
-{
-    asm volatile ("stw %1,%0\n eieio" : "=m" (*to) : "r" (x));
-}
-
-static int log_init = 0;
-static int log_do = 0;
-static int log_low = 0;
-
-int dolog(int port)
-{
-    if (log_init && log_do)
-    {
-	if (log_low && port > 0x400) return 0;
-	return 1;
-    }
-
-    if (!log_init)
-    {
-	log_init = 1;
-	log_do = (getenv("x86_logio") != (char *)0);
-	log_low = (getenv("x86_loglow") != (char *)0);
-	if (log_do)
-	{
-	    if (log_low && port > 0x400) return 0;
-	    return 1;
-	}
-    }
-    return 0;
-}
-
-/* Converts an emulator address to a physical address. */
-/* Handles all special cases (bios date, model etc), and might need work */
-u32 memaddr(u32 addr)
-{
-/*    if (addr >= 0xF0000 && addr < 0xFFFFF) printf("WARNING: Segment F access (0x%x)\n", addr); */
-/*    printf("MemAddr=%p\n", addr); */
-    if (addr >= 0xA0000 && addr < 0xC0000)
-	return 0xFD000000 + addr;
-    else if (addr >= 0xFFFF5 && addr < 0xFFFFE)
-    {
-	return (u32)bios_date+addr-0xFFFF5;
-    }
-    else if (addr == 0xFFFFE)
-	return (u32)&model;
-    else if (addr == 0xFFFFF)
-	return (u32)&submodel;
-    else if (addr >= 0x80000000)
-    {
-	/*printf("Warning: High memory access at 0x%x\n", addr); */
-	return addr;
-    }
-    else
-	return (u32)M.mem_base+addr;
-}
-
-u8 A1_rdb(u32 addr)
-{
-    u8 a = read_byte((UBYTE *)memaddr(addr));
-    LOGMEM("rdb: %x -> %x\n", addr, a);
-    return a;
-}
-
-u16 A1_rdw(u32 addr)
-{
-    u16 a = read_word_little((UWORD *)memaddr(addr));
-    LOGMEM("rdw: %x -> %x\n", addr, a);
-    return a;
-}
-
-u32 A1_rdl(u32 addr)
-{
-    u32 a = read_long_little((ULONG *)memaddr(addr));
-    LOGMEM("rdl: %x -> %x\n", addr, a);
-    return a;
-}
-
-void A1_wrb(u32 addr, u8 val)
-{
-    LOGMEM("wrb: %x <- %x\n", addr, val);
-    write_byte((UBYTE *)memaddr(addr), val);
-}
-
-void A1_wrw(u32 addr, u16 val)
-{
-    LOGMEM("wrw: %x <- %x\n", addr, val);
-    write_word_little((UWORD *)memaddr(addr), val);
-}
-
-void A1_wrl(u32 addr, u32 val)
-{
-    LOGMEM("wrl: %x <- %x\n", addr, val);
-    write_long_little((ULONG *)memaddr(addr), val);
-}
-
-X86EMU_memFuncs _A1_mem =
-{
-    A1_rdb,
-    A1_rdw,
-    A1_rdl,
-    A1_wrb,
-    A1_wrw,
-    A1_wrl,
-};
-
-#define ARTICIAS_PCI_CFGADDR  0xfec00cf8
-#define ARTICIAS_PCI_CFGDATA  0xfee00cfc
-#define IOBASE                0xFE000000
-
-#define in_byte(from) read_byte( (UBYTE *)port_to_mem(from))
-#define in_word(from) read_word_little((UWORD *)port_to_mem(from))
-#define in_long(from) read_long_little((ULONG *)port_to_mem(from))
-#define out_byte(to, val) write_byte((UBYTE *)port_to_mem(to), val)
-#define out_word(to, val) write_word_little((UWORD *)port_to_mem(to), val)
-#define out_long(to, val) write_long_little((ULONG *)port_to_mem(to), val)
-
-u32 port_to_mem(int port)
-{
-    if (port >= 0xCFC && port <= 0xCFF) return 0xFEE00000+port;
-    else if (port >= 0xCF8 && port <= 0xCFB) return 0xFEC00000+port;
-    else return IOBASE + port;
-}
-
-u8 A1_inb(int port)
-{
-    u8 a;
-    /*if (port == 0x3BA) return 0; */
-    a = in_byte(port);
-    LOGIO(port, "inb: %Xh -> %d (%Xh)\n", port, a, a);
-    return a;
-}
-
-u16 A1_inw(int port)
-{
-    u16 a = in_word(port);
-    LOGIO(port, "inw: %Xh -> %d (%Xh)\n", port, a, a);
-    return a;
-}
-
-u32 A1_inl(int port)
-{
-    u32 a = in_long(port);
-    LOGIO(port, "inl: %Xh -> %d (%Xh)\n", port, a, a);
-    return a;
-}
-
-void A1_outb(int port, u8 val)
-{
-    LOGIO(port, "outb: %Xh <- %d (%Xh)\n", port, val, val);
-/*    if (port == 0xCF8) port = 0xCFB;
-    else if (port == 0xCF9) port = 0xCFA;
-    else if (port == 0xCFA) port = 0xCF9;
-    else if (port == 0xCFB) port = 0xCF8;*/
-    out_byte(port, val);
-}
-
-void A1_outw(int port, u16 val)
-{
-    LOGIO(port, "outw: %Xh <- %d (%Xh)\n", port, val, val);
-    out_word(port, val);
-}
-
-void A1_outl(int port, u32 val)
-{
-    LOGIO(port, "outl: %Xh <- %d (%Xh)\n", port, val, val);
-    out_long(port, val);
-}
-
-X86EMU_pioFuncs _A1_pio =
-{
-    A1_inb,
-    A1_inw,
-    A1_inl,
-    A1_outb,
-    A1_outw,
-    A1_outl,
-};
-
-static int reloced_ops = 0;
-
-void reloc_ops(void *reloc_addr)
-{
-    extern void (*x86emu_optab[256])(u8);
-    extern void (*x86emu_optab2[256])(u8);
-    extern void tables_relocate(unsigned int offset);
-    int i;
-    unsigned long delta;
-    if (reloced_ops == 1) return;
-    reloced_ops = 1;
-
-    delta = TEXT_BASE - (unsigned long)reloc_addr;
-
-    for (i=0; i<256; i++)
-    {
-	x86emu_optab[i] -= delta;
-	x86emu_optab2[i] -= delta;
-    }
-
-    _A1_mem.rdb = A1_rdb;
-    _A1_mem.rdw = A1_rdw;
-    _A1_mem.rdl = A1_rdl;
-    _A1_mem.wrb = A1_wrb;
-    _A1_mem.wrw = A1_wrw;
-    _A1_mem.wrl = A1_wrl;
-
-    _A1_pio.inb = A1_inb;
-    _A1_pio.inw = A1_inw;
-    _A1_pio.inl = A1_inl;
-    _A1_pio.outb = A1_outb;
-    _A1_pio.outw = A1_outw;
-    _A1_pio.outl = A1_outl;
-
-    tables_relocate(delta);
-
-}
-
-
-#define ANY_KEY(text)				\
-    printf(text);				\
-    while (!tstc());
-
-
-unsigned char more_strap[] = {
-	0xb4, 0x0, 0xb0, 0x2, 0xcd, 0x10,
-};
-#define MORE_STRAP_BYTES 6 /* Additional bytes of strap code */
-
-
-unsigned char *done_msg="VGA Initialized\0";
-
-int execute_bios(pci_dev_t gr_dev, void *reloc_addr)
-{
-    extern void bios_init(void);
-    extern void remove_init_data(void);
-    extern int video_rows(void);
-    extern int video_cols(void);
-    extern int video_size(int, int);
-    u8 *strap;
-    unsigned char *logo;
-    u8 cfg;
-    int i;
-    char c;
-    char *s;
-#ifdef EASTEREGG
-    int easteregg_active = 0;
-#endif
-    char *pal_reset;
-    u8 *fb;
-    unsigned char *msg;
-    unsigned char current_attr;
-
-    PRINTF("Trying to remove init data\n");
-    remove_init_data();
-    PRINTF("Removed init data from cache, now in RAM\n");
-
-    reloc_ops(reloc_addr);
-    PRINTF("Attempting to run emulator on %02x:%02x:%02x\n",
-	   PCI_BUS(gr_dev), PCI_DEV(gr_dev), PCI_FUNC(gr_dev));
-
-    /* Enable compatibility hole for emulator access to frame buffer */
-    PRINTF("Enabling compatibility hole\n");
-    enable_compatibility_hole();
-
-    /* Allocate memory */
-    /* FIXME: We shouldn't use this much memory really. */
-    memset(&M, 0, sizeof(X86EMU_sysEnv));
-    M.mem_base = malloc(EMULATOR_MEM_SIZE);
-    M.mem_size = EMULATOR_MEM_SIZE;
-
-    if (!M.mem_base)
-    {
-	PRINTF("Unable to allocate one megabyte for emulator\n");
-	return 0;
-    }
-
-    if (attempt_map_rom(gr_dev, M.mem_base + EMULATOR_BIOS_OFFSET) == 0)
-    {
-	PRINTF("Error mapping rom. Emulation terminated\n");
-	return 0;
-    }
-
-#if 1 /*def DEBUG*/
-    s = getenv("x86_ask_start");
-    if (s)
-    {
-	printf("Press 'q' to skip initialization, 'd' for dry init\n'i' for i/o session");
-	while (!tstc());
-	c = getc();
-	if (c == 'q') return 0;
-	if (c == 'd')
-	{
-	    extern void bios_set_mode(int mode);
-	    bios_set_mode(0x03);
-	    return 0;
-	}
-	if (c == 'i') do_inout();
-    }
-
-
-#endif
-
-#ifdef EASTEREGG
-/*    if (tstc())
-    {
-	if (getc() == 'c')
-	{
-	    easteregg_active = 1;
-	}
-    }
-*/
-    if (getenv("easteregg"))
-    {
-	easteregg_active = 1;
-    }
-
-    if (easteregg_active)
-    {
-	/* Yay! */
-	setenv("x86_mode", "1");
-	setenv("vga_fg_color", "11");
-	setenv("vga_bg_color", "1");
-	easteregg_active = 1;
-    }
-#endif
-
-    strap = (u8*)M.mem_base + EMULATOR_STRAP_OFFSET;
-
-    {
-	char *m = getenv("x86_mode");
-	if (m)
-	{
-	    more_strap[3] = atoi(m);
-	    if (more_strap[3] == 1) video_size(40, 25);
-	    else                    video_size(80, 25);
-	}
-    }
-
-    /*
-     * Poke the strap routine. This might need a bit of extending
-     * if there is a mode switch involved, i.e. we want to int10
-     * afterwards to set a different graphics mode, or alternatively
-     * there might be a different start address requirement if the
-     * ROM doesn't have an x86 image in its first image.
-     */
-
-    PRINTF("Poking strap...\n");
-
-    /* FAR CALL c000:0003 */
-    *strap++ = 0x9A; *strap++ = 0x03; *strap++ = 0x00;
-    *strap++ = 0x00; *strap++ = 0xC0;
-
-#if 1
-    /* insert additional strap code */
-    for (i=0; i < MORE_STRAP_BYTES; i++)
-    {
-	*strap++ = more_strap[i];
-    }
-#endif
-    /* HALT */
-    *strap++ = 0xF4;
-
-    PRINTF("Setting up logo data\n");
-    logo = (unsigned char *)M.mem_base + EMULATOR_LOGO_OFFSET;
-    for (i=0; i<16; i++)
-    {
-	*logo++ = 0xFF;
-    }
-
-    /*
-     * Setup the init parameters.
-     * Per PCI specs, AH must contain the bus and AL
-     * must contain the devfn, encoded as (dev<<3)|fn
-     */
-
-    /* Execution starts here */
-    M.x86.R_CS = SEG(EMULATOR_STRAP_OFFSET);
-    M.x86.R_IP = OFF(EMULATOR_STRAP_OFFSET);
-
-    /* Stack at top of ram */
-    M.x86.R_SS = SEG(EMULATOR_STACK_OFFSET);
-    M.x86.R_SP = OFF(EMULATOR_STACK_OFFSET);
-
-    /* Input parameters */
-    M.x86.R_AH = PCI_BUS(gr_dev);
-    M.x86.R_AL = (PCI_DEV(gr_dev)<<3) | PCI_FUNC(gr_dev);
-
-    /* Set the I/O and memory access functions */
-    X86EMU_setupMemFuncs(&_A1_mem);
-    X86EMU_setupPioFuncs(&_A1_pio);
-
-    /* Enable timer 2 */
-    cfg = in_byte(0x61); /* Get Misc control */
-    cfg |= 0x01;         /* Enable timer 2 */
-    out_byte(0x61, cfg); /* output again */
-
-    /* Set up the timers */
-    out_byte(0x43, 0x54);
-    out_byte(0x41, 0x18);
-
-    out_byte(0x43, 0x36);
-    out_byte(0x40, 0x00);
-    out_byte(0x40, 0x00);
-
-    out_byte(0x43, 0xb6);
-    out_byte(0x42, 0x31);
-    out_byte(0x42, 0x13);
-
-    /* Init the "BIOS". */
-    bios_init();
-
-    /* Video Card Reset */
-    out_byte(0x3D8, 0);
-    out_byte(0x3B8, 1);
-    (void)in_byte(0x3BA);
-    (void)in_byte(0x3DA);
-    out_byte(0x3C0, 0);
-    out_byte(0x61, 0xFC);
-
-#ifdef DEBUG
-    s = _getenv("x86_singlestep");
-    if (s && strcmp(s, "on")==0)
-    {
-	PRINTF("Enabling single stepping for debug\n");
-	X86EMU_trace_on();
-    }
-#endif
-
-    /* Ready set go... */
-    PRINTF("Running emulator\n");
-    X86EMU_exec();
-    PRINTF("Done running emulator\n");
-
-/* FIXME: Remove me */
-    pal_reset = getenv("x86_palette_reset");
-    if (pal_reset && strcmp(pal_reset, "on") == 0)
-    {
-	PRINTF("Palette reset\n");
-	/*(void)in_byte(0x3da); */
-	/*out_byte(0x3c0, 0); */
-
-	out_byte(0x3C8, 0);
-	out_byte(0x3C9, 0);
-	out_byte(0x3C9, 0);
-	out_byte(0x3C9, 0);
-	for (i=0; i<254; i++)
-	{
-	    out_byte(0x3C9, 63);
-	    out_byte(0x3C9, 63);
-	    out_byte(0x3C9, 63);
-	}
-
-	out_byte(0x3c0, 0x20);
-    }
-/* FIXME: remove me */
-#ifdef EASTEREGG
-    if (easteregg_active)
-    {
-	extern void video_easteregg(void);
-	video_easteregg();
-    }
-#endif
-/*
-    current_attr = video_get_attr();
-    fb = (u8 *)VIDEO_BASE;
-    for (i=0; i<video_rows()*video_cols()*2; i+=2)
-    {
-	*(fb+i) = ' ';
-	*(fb+i+1) = current_attr;
-    }
-
-    fb = (u8 *)VIDEO_BASE + (video_rows())-1*(video_cols()*2);
-    for (i=0; i<video_cols(); i++)
-    {
-	*(fb + 2*i)     = 32;
-	*(fb + 2*i + 1) = 0x17;
-    }
-
-    msg = done_msg;
-    while (*msg)
-    {
-	*fb = *msg;
-	fb  += 2;
-	msg ++;
-    }
-*/
-#ifdef DEBUG
-    if (getenv("x86_do_inout")) do_inout();
-#endif
-
-/*FIXME:    dcache_disable(); */
-    return 1;
-}
-
-/* Clean up the x86 mess */
-void shutdown_bios(void)
-{
-/*    disable_compatibility_hole(); */
-    /* Free the memory associated */
-    free(M.mem_base);
-
-}
-
-int to_int(char *buffer)
-{
-    int base = 0;
-    int res  = 0;
-
-    if (*buffer == '$')
-    {
-	base = 16;
-	buffer++;
-    }
-    else base = 10;
-
-    for (;;)
-    {
-	switch(*buffer)
-	{
-	case '0' ... '9':
-	    res *= base;
-	    res += *buffer - '0';
-	    break;
-	case 'A':
-	case 'a':
-	    res *= base;
-	    res += 10;
-	    break;
-	case 'B':
-	case 'b':
-	    res *= base;
-	    res += 11;
-	    break;
-	case 'C':
-	case 'c':
-	    res *= base;
-	    res += 12;
-	    break;
-	case 'D':
-	case 'd':
-	    res *= base;
-	    res += 13;
-	    break;
-	case 'E':
-	case 'e':
-	    res *= base;
-	    res += 14;
-	    break;
-	case 'F':
-	case 'f':
-	    res *= base;
-	    res += 15;
-	    break;
-	default:
-	    return res;
-	}
-	buffer++;
-    }
-    return res;
-}
-
-void one_arg(char *buffer, int *a)
-{
-    while (*buffer && *buffer != '\n')
-    {
-	if (*buffer == ' ') buffer++;
-	else break;
-    }
-
-    *a = to_int(buffer);
-}
-
-void two_args(char *buffer, int *a, int *b)
-{
-    while (*buffer && *buffer != '\n')
-    {
-	if (*buffer == ' ') buffer++;
-	else break;
-    }
-
-    *a = to_int(buffer);
-
-    while (*buffer && *buffer != '\n')
-    {
-	if (*buffer != ' ') buffer++;
-	else break;
-    }
-
-    while (*buffer && *buffer != '\n')
-    {
-	if (*buffer == ' ') buffer++;
-	else break;
-    }
-
-    *b = to_int(buffer);
-}
-
-void do_inout(void)
-{
-    char buffer[256];
-    char *arg1, *arg2;
-    int a,b;
-
-    printf("In/Out Session\nUse 'i[bwl]' for in, 'o[bwl]' for out and 'q' to quit\n");
-
-    do
-    {
-	cons_gets(buffer);
-	printf("\n");
-
-	*arg1 = buffer;
-	while (*arg1 != ' ' ) arg1++;
-	while (*arg1 == ' ') arg1++;
-
-	if (buffer[0] == 'i')
-	{
-	    one_arg(buffer+2, &a);
-	    switch (buffer[1])
-	    {
-	    case 'b':
-		printf("in_byte(%xh) = %xh\n", a, A1_inb(a));
-		break;
-	    case 'w':
-		printf("in_word(%xh) = %xh\n", a, A1_inw(a));
-		break;
-	    case 'l':
-		printf("in_dword(%xh) = %xh\n", a, A1_inl(a));
-		break;
-	    default:
-		printf("Invalid length '%c'\n", buffer[1]);
-		break;
-	    }
-	}
-	else if (buffer[0] == 'o')
-	{
-	    two_args(buffer+2, &a, &b);
-	    switch (buffer[1])
-	    {
-	    case 'b':
-		printf("out_byte(%d, %d)\n", a, b);
-		A1_outb(a,b);
-		break;
-	    case 'w':
-		printf("out_word(%d, %d)\n", a, b);
-		A1_outw(a, b);
-		break;
-	    case 'l':
-		printf("out_long(%d, %d)\n", a, b);
-		A1_outl(a, b);
-		break;
-	    default:
-		printf("Invalid length '%c'\n", buffer[1]);
-		break;
-	    }
-	} else if (buffer[0] == 'q') return;
-    } while (1);
-}