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kernel_samsung_sm7125/arch/ppc/boot/simple/embed_config.c

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/* Board specific functions for those embedded 8xx boards that do
* not have boot monitor support for board information.
*
* 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.
*/
#include <linux/types.h>
#include <linux/string.h>
#include <asm/reg.h>
#ifdef CONFIG_8xx
#include <asm/mpc8xx.h>
#endif
#ifdef CONFIG_8260
#include <asm/mpc8260.h>
#include <asm/immap_cpm2.h>
#endif
#ifdef CONFIG_40x
#include <asm/io.h>
#endif
#ifdef CONFIG_XILINX_VIRTEX
#include <platforms/4xx/xparameters/xparameters.h>
#endif
extern unsigned long timebase_period_ns;
/* For those boards that don't provide one.
*/
#if !defined(CONFIG_MBX)
static bd_t bdinfo;
#endif
/* IIC functions.
* These are just the basic master read/write operations so we can
* examine serial EEPROM.
*/
extern void iic_read(uint devaddr, u_char *buf, uint offset, uint count);
/* Supply a default Ethernet address for those eval boards that don't
* ship with one. This is an address from the MBX board I have, so
* it is unlikely you will find it on your network.
*/
static ushort def_enet_addr[] = { 0x0800, 0x3e26, 0x1559 };
#if defined(CONFIG_MBX)
/* The MBX hands us a pretty much ready to go board descriptor. This
* is where the idea started in the first place.
*/
void
embed_config(bd_t **bdp)
{
u_char *mp;
u_char eebuf[128];
int i = 8;
bd_t *bd;
bd = *bdp;
/* Read the first 128 bytes of the EEPROM. There is more,
* but this is all we need.
*/
iic_read(0xa4, eebuf, 0, 128);
/* All we are looking for is the Ethernet MAC address. The
* first 8 bytes are 'MOTOROLA', so check for part of that.
* Next, the VPD describes a MAC 'packet' as being of type 08
* and size 06. So we look for that and the MAC must follow.
* If there are more than one, we still only care about the first.
* If it's there, assume we have a valid MAC address. If not,
* grab our default one.
*/
if ((*(uint *)eebuf) == 0x4d4f544f) {
while (i < 127 && !(eebuf[i] == 0x08 && eebuf[i + 1] == 0x06))
i += eebuf[i + 1] + 2; /* skip this packet */
if (i == 127) /* Couldn't find. */
mp = (u_char *)def_enet_addr;
else
mp = &eebuf[i + 2];
}
else
mp = (u_char *)def_enet_addr;
for (i=0; i<6; i++)
bd->bi_enetaddr[i] = *mp++;
/* The boot rom passes these to us in MHz. Linux now expects
* them to be in Hz.
*/
bd->bi_intfreq *= 1000000;
bd->bi_busfreq *= 1000000;
/* Stuff a baud rate here as well.
*/
bd->bi_baudrate = 9600;
}
#endif /* CONFIG_MBX */
#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC) || \
defined(CONFIG_RPX8260) || defined(CONFIG_EP405)
/* Helper functions for Embedded Planet boards.
*/
/* Because I didn't find anything that would do this.......
*/
u_char
aschex_to_byte(u_char *cp)
{
u_char byte, c;
c = *cp++;
if ((c >= 'A') && (c <= 'F')) {
c -= 'A';
c += 10;
} else if ((c >= 'a') && (c <= 'f')) {
c -= 'a';
c += 10;
} else
c -= '0';
byte = c * 16;
c = *cp;
if ((c >= 'A') && (c <= 'F')) {
c -= 'A';
c += 10;
} else if ((c >= 'a') && (c <= 'f')) {
c -= 'a';
c += 10;
} else
c -= '0';
byte += c;
return(byte);
}
static void
rpx_eth(bd_t *bd, u_char *cp)
{
int i;
for (i=0; i<6; i++) {
bd->bi_enetaddr[i] = aschex_to_byte(cp);
cp += 2;
}
}
#ifdef CONFIG_RPX8260
static uint
rpx_baseten(u_char *cp)
{
uint retval;
retval = 0;
while (*cp != '\n') {
retval *= 10;
retval += (*cp) - '0';
cp++;
}
return(retval);
}
#endif
#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC)
static void
rpx_brate(bd_t *bd, u_char *cp)
{
uint rate;
rate = 0;
while (*cp != '\n') {
rate *= 10;
rate += (*cp) - '0';
cp++;
}
bd->bi_baudrate = rate * 100;
}
static void
rpx_cpuspeed(bd_t *bd, u_char *cp)
{
uint num, den;
num = den = 0;
while (*cp != '\n') {
num *= 10;
num += (*cp) - '0';
cp++;
if (*cp == '/') {
cp++;
den = (*cp) - '0';
break;
}
}
/* I don't know why the RPX just can't state the actual
* CPU speed.....
*/
if (den) {
num /= den;
num *= den;
}
bd->bi_intfreq = bd->bi_busfreq = num * 1000000;
/* The 8xx can only run a maximum 50 MHz bus speed (until
* Motorola changes this :-). Greater than 50 MHz parts
* run internal/2 for bus speed.
*/
if (num > 50)
bd->bi_busfreq /= 2;
}
#endif
#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC) || defined(CONFIG_EP405)
static void
rpx_memsize(bd_t *bd, u_char *cp)
{
uint size;
size = 0;
while (*cp != '\n') {
size *= 10;
size += (*cp) - '0';
cp++;
}
bd->bi_memsize = size * 1024 * 1024;
}
#endif /* LITE || CLASSIC || EP405 */
#if defined(CONFIG_EP405)
static void
rpx_nvramsize(bd_t *bd, u_char *cp)
{
uint size;
size = 0;
while (*cp != '\n') {
size *= 10;
size += (*cp) - '0';
cp++;
}
bd->bi_nvramsize = size * 1024;
}
#endif /* CONFIG_EP405 */
#endif /* Embedded Planet boards */
#if defined(CONFIG_RPXLITE) || defined(CONFIG_RPXCLASSIC)
/* Read the EEPROM on the RPX-Lite board.
*/
void
embed_config(bd_t **bdp)
{
u_char eebuf[256], *cp;
bd_t *bd;
/* Read the first 256 bytes of the EEPROM. I think this
* is really all there is, and I hope if it gets bigger the
* info we want is still up front.
*/
bd = &bdinfo;
*bdp = bd;
#if 1
iic_read(0xa8, eebuf, 0, 128);
iic_read(0xa8, &eebuf[128], 128, 128);
/* We look for two things, the Ethernet address and the
* serial baud rate. The records are separated by
* newlines.
*/
cp = eebuf;
for (;;) {
if (*cp == 'E') {
cp++;
if (*cp == 'A') {
cp += 2;
rpx_eth(bd, cp);
}
}
if (*cp == 'S') {
cp++;
if (*cp == 'B') {
cp += 2;
rpx_brate(bd, cp);
}
}
if (*cp == 'D') {
cp++;
if (*cp == '1') {
cp += 2;
rpx_memsize(bd, cp);
}
}
if (*cp == 'H') {
cp++;
if (*cp == 'Z') {
cp += 2;
rpx_cpuspeed(bd, cp);
}
}
/* Scan to the end of the record.
*/
while ((*cp != '\n') && (*cp != 0xff))
cp++;
/* If the next character is a 0 or ff, we are done.
*/
cp++;
if ((*cp == 0) || (*cp == 0xff))
break;
}
bd->bi_memstart = 0;
#else
/* For boards without initialized EEPROM.
*/
bd->bi_memstart = 0;
bd->bi_memsize = (8 * 1024 * 1024);
bd->bi_intfreq = 48000000;
bd->bi_busfreq = 48000000;
bd->bi_baudrate = 9600;
#endif
}
#endif /* RPXLITE || RPXCLASSIC */
#ifdef CONFIG_BSEIP
/* Build a board information structure for the BSE ip-Engine.
* There is more to come since we will add some environment
* variables and a function to read them.
*/
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd;
bd = &bdinfo;
*bdp = bd;
/* Baud rate and processor speed will eventually come
* from the environment variables.
*/
bd->bi_baudrate = 9600;
/* Get the Ethernet station address from the Flash ROM.
*/
cp = (u_char *)0xfe003ffa;
for (i=0; i<6; i++) {
bd->bi_enetaddr[i] = *cp++;
}
/* The rest of this should come from the environment as well.
*/
bd->bi_memstart = 0;
bd->bi_memsize = (16 * 1024 * 1024);
bd->bi_intfreq = 48000000;
bd->bi_busfreq = 48000000;
}
#endif /* BSEIP */
#ifdef CONFIG_FADS
/* Build a board information structure for the FADS.
*/
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd;
bd = &bdinfo;
*bdp = bd;
/* Just fill in some known values.
*/
bd->bi_baudrate = 9600;
/* Use default enet.
*/
cp = (u_char *)def_enet_addr;
for (i=0; i<6; i++) {
bd->bi_enetaddr[i] = *cp++;
}
bd->bi_memstart = 0;
bd->bi_memsize = (8 * 1024 * 1024);
bd->bi_intfreq = 40000000;
bd->bi_busfreq = 40000000;
}
#endif /* FADS */
#ifdef CONFIG_8260
/* Compute 8260 clock values if the rom doesn't provide them.
*/
static unsigned char bus2core_8260[] = {
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
3, 2, 2, 2, 4, 4, 5, 9, 6, 11, 8, 10, 3, 12, 7, 2,
6, 5, 13, 2, 14, 4, 15, 2, 3, 11, 8, 10, 16, 12, 7, 2,
};
static void
clk_8260(bd_t *bd)
{
uint scmr, vco_out, clkin;
uint plldf, pllmf, corecnf;
volatile cpm2_map_t *ip;
ip = (cpm2_map_t *)CPM_MAP_ADDR;
scmr = ip->im_clkrst.car_scmr;
/* The clkin is always bus frequency.
*/
clkin = bd->bi_busfreq;
/* Collect the bits from the scmr.
*/
plldf = (scmr >> 12) & 1;
pllmf = scmr & 0xfff;
corecnf = (scmr >> 24) &0x1f;
/* This is arithmetic from the 8260 manual.
*/
vco_out = clkin / (plldf + 1);
vco_out *= 2 * (pllmf + 1);
bd->bi_vco = vco_out; /* Save for later */
bd->bi_cpmfreq = vco_out / 2; /* CPM Freq, in MHz */
bd->bi_intfreq = bd->bi_busfreq * bus2core_8260[corecnf] / 2;
/* Set Baud rate divisor. The power up default is divide by 16,
* but we set it again here in case it was changed.
*/
ip->im_clkrst.car_sccr = 1; /* DIV 16 BRG */
bd->bi_brgfreq = vco_out / 16;
}
static unsigned char bus2core_8280[] = {
/* 0 1 2 3 4 5 6 7 8 9 a b c d e f */
3, 2, 2, 2, 4, 4, 5, 9, 6, 11, 8, 10, 3, 12, 7, 2,
6, 5, 13, 2, 14, 2, 15, 2, 3, 2, 2, 2, 16, 2, 2, 2,
};
static void
clk_8280(bd_t *bd)
{
uint scmr, main_clk, clkin;
uint pllmf, corecnf;
volatile cpm2_map_t *ip;
ip = (cpm2_map_t *)CPM_MAP_ADDR;
scmr = ip->im_clkrst.car_scmr;
/* The clkin is always bus frequency.
*/
clkin = bd->bi_busfreq;
/* Collect the bits from the scmr.
*/
pllmf = scmr & 0xf;
corecnf = (scmr >> 24) & 0x1f;
/* This is arithmetic from the 8280 manual.
*/
main_clk = clkin * (pllmf + 1);
bd->bi_cpmfreq = main_clk / 2; /* CPM Freq, in MHz */
bd->bi_intfreq = bd->bi_busfreq * bus2core_8280[corecnf] / 2;
/* Set Baud rate divisor. The power up default is divide by 16,
* but we set it again here in case it was changed.
*/
ip->im_clkrst.car_sccr = (ip->im_clkrst.car_sccr & 0x3) | 0x1;
bd->bi_brgfreq = main_clk / 16;
}
#endif
#ifdef CONFIG_SBC82xx
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd;
unsigned long pvr;
bd = *bdp;
bd = &bdinfo;
*bdp = bd;
bd->bi_baudrate = 9600;
bd->bi_memsize = 256 * 1024 * 1024; /* just a guess */
cp = (void*)SBC82xx_MACADDR_NVRAM_SCC1;
memcpy(bd->bi_enetaddr, cp, 6);
/* can busfreq be calculated? */
pvr = mfspr(SPRN_PVR);
if ((pvr & 0xffff0000) == 0x80820000) {
bd->bi_busfreq = 100000000;
clk_8280(bd);
} else {
bd->bi_busfreq = 66000000;
clk_8260(bd);
}
}
#endif /* SBC82xx */
#if defined(CONFIG_EST8260) || defined(CONFIG_TQM8260)
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd;
bd = *bdp;
#if 0
/* This is actually provided by my boot rom. I have it
* here for those people that may load the kernel with
* a JTAG/COP tool and not the rom monitor.
*/
bd->bi_baudrate = 115200;
bd->bi_intfreq = 200000000;
bd->bi_busfreq = 66666666;
bd->bi_cpmfreq = 66666666;
bd->bi_brgfreq = 33333333;
bd->bi_memsize = 16 * 1024 * 1024;
#else
/* The boot rom passes these to us in MHz. Linux now expects
* them to be in Hz.
*/
bd->bi_intfreq *= 1000000;
bd->bi_busfreq *= 1000000;
bd->bi_cpmfreq *= 1000000;
bd->bi_brgfreq *= 1000000;
#endif
cp = (u_char *)def_enet_addr;
for (i=0; i<6; i++) {
bd->bi_enetaddr[i] = *cp++;
}
}
#endif /* EST8260 */
#ifdef CONFIG_SBS8260
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd;
/* This should provided by the boot rom.
*/
bd = &bdinfo;
*bdp = bd;
bd->bi_baudrate = 9600;
bd->bi_memsize = 64 * 1024 * 1024;
/* Set all of the clocks. We have to know the speed of the
* external clock. The development board had 66 MHz.
*/
bd->bi_busfreq = 66666666;
clk_8260(bd);
/* I don't know how to compute this yet.
*/
bd->bi_intfreq = 133000000;
cp = (u_char *)def_enet_addr;
for (i=0; i<6; i++) {
bd->bi_enetaddr[i] = *cp++;
}
}
#endif /* SBS8260 */
#ifdef CONFIG_RPX8260
void
embed_config(bd_t **bdp)
{
u_char *cp, *keyvals;
int i;
bd_t *bd;
keyvals = (u_char *)*bdp;
bd = &bdinfo;
*bdp = bd;
/* This is almost identical to the RPX-Lite/Classic functions
* on the 8xx boards. It would be nice to have a key lookup
* function in a string, but the format of all of the fields
* is slightly different.
*/
cp = keyvals;
for (;;) {
if (*cp == 'E') {
cp++;
if (*cp == 'A') {
cp += 2;
rpx_eth(bd, cp);
}
}
if (*cp == 'S') {
cp++;
if (*cp == 'B') {
cp += 2;
bd->bi_baudrate = rpx_baseten(cp);
}
}
if (*cp == 'D') {
cp++;
if (*cp == '1') {
cp += 2;
bd->bi_memsize = rpx_baseten(cp) * 1024 * 1024;
}
}
if (*cp == 'X') {
cp++;
if (*cp == 'T') {
cp += 2;
bd->bi_busfreq = rpx_baseten(cp);
}
}
if (*cp == 'N') {
cp++;
if (*cp == 'V') {
cp += 2;
bd->bi_nvsize = rpx_baseten(cp) * 1024 * 1024;
}
}
/* Scan to the end of the record.
*/
while ((*cp != '\n') && (*cp != 0xff))
cp++;
/* If the next character is a 0 or ff, we are done.
*/
cp++;
if ((*cp == 0) || (*cp == 0xff))
break;
}
bd->bi_memstart = 0;
/* The memory size includes both the 60x and local bus DRAM.
* I don't want to use the local bus DRAM for real memory,
* so subtract it out. It would be nice if they were separate
* keys.
*/
bd->bi_memsize -= 32 * 1024 * 1024;
/* Set all of the clocks. We have to know the speed of the
* external clock.
*/
clk_8260(bd);
/* I don't know how to compute this yet.
*/
bd->bi_intfreq = 200000000;
}
#endif /* RPX6 for testing */
#ifdef CONFIG_ADS8260
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd;
/* This should provided by the boot rom.
*/
bd = &bdinfo;
*bdp = bd;
bd->bi_baudrate = 9600;
bd->bi_memsize = 16 * 1024 * 1024;
/* Set all of the clocks. We have to know the speed of the
* external clock. The development board had 66 MHz.
*/
bd->bi_busfreq = 66666666;
clk_8260(bd);
/* I don't know how to compute this yet.
*/
bd->bi_intfreq = 200000000;
cp = (u_char *)def_enet_addr;
for (i=0; i<6; i++) {
bd->bi_enetaddr[i] = *cp++;
}
}
#endif /* ADS8260 */
#ifdef CONFIG_WILLOW
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd;
/* Willow has Open Firmware....I should learn how to get this
* information from it.
*/
bd = &bdinfo;
*bdp = bd;
bd->bi_baudrate = 9600;
bd->bi_memsize = 32 * 1024 * 1024;
/* Set all of the clocks. We have to know the speed of the
* external clock. The development board had 66 MHz.
*/
bd->bi_busfreq = 66666666;
clk_8260(bd);
/* I don't know how to compute this yet.
*/
bd->bi_intfreq = 200000000;
cp = (u_char *)def_enet_addr;
for (i=0; i<6; i++) {
bd->bi_enetaddr[i] = *cp++;
}
}
#endif /* WILLOW */
#if defined(CONFIG_XILINX_ML300) || defined(CONFIG_XILINX_ML403)
void
embed_config(bd_t ** bdp)
{
static const unsigned long line_size = 32;
static const unsigned long congruence_classes = 256;
unsigned long addr;
unsigned long dccr;
bd_t *bd;
/*
* Invalidate the data cache if the data cache is turned off.
* - The 405 core does not invalidate the data cache on power-up
* or reset but does turn off the data cache. We cannot assume
* that the cache contents are valid.
* - If the data cache is turned on this must have been done by
* a bootloader and we assume that the cache contents are
* valid.
*/
__asm__("mfdccr %0": "=r" (dccr));
if (dccr == 0) {
for (addr = 0;
addr < (congruence_classes * line_size);
addr += line_size) {
__asm__("dccci 0,%0": :"b"(addr));
}
}
bd = &bdinfo;
*bdp = bd;
bd->bi_memsize = XPAR_DDR_0_SIZE;
bd->bi_intfreq = XPAR_CORE_CLOCK_FREQ_HZ;
bd->bi_busfreq = XPAR_PLB_CLOCK_FREQ_HZ;
bd->bi_pci_busfreq = XPAR_PCI_0_CLOCK_FREQ_HZ;
timebase_period_ns = 1000000000 / bd->bi_tbfreq;
/* see bi_tbfreq definition in arch/ppc/platforms/4xx/xilinx_ml300.h */
}
#endif /* CONFIG_XILINX_ML300 || CONFIG_XILINX_ML403 */
#ifdef CONFIG_IBM_OPENBIOS
/* This could possibly work for all treeboot roms.
*/
#if defined(CONFIG_BUBINGA)
#define BOARD_INFO_VECTOR 0xFFF80B50 /* openbios 1.19 moved this vector down - armin */
#else
#define BOARD_INFO_VECTOR 0xFFFE0B50
#endif
void
embed_config(bd_t **bdp)
{
u_char *cp;
int i;
bd_t *bd, *treeboot_bd;
bd_t *(*get_board_info)(void) =
(bd_t *(*)(void))(*(unsigned long *)BOARD_INFO_VECTOR);
#if !defined(CONFIG_STB03xxx)
/* shut down the Ethernet controller that the boot rom
* sometimes leaves running.
*/
mtdcr(DCRN_MALCR(DCRN_MAL_BASE), MALCR_MMSR); /* 1st reset MAL */
while (mfdcr(DCRN_MALCR(DCRN_MAL_BASE)) & MALCR_MMSR) {}; /* wait for the reset */
out_be32((volatile u32*)EMAC0_BASE,0x20000000); /* then reset EMAC */
#endif
bd = &bdinfo;
*bdp = bd;
if ((treeboot_bd = get_board_info()) != NULL) {
memcpy(bd, treeboot_bd, sizeof(bd_t));
}
else {
/* Hmmm...better try to stuff some defaults.
*/
bd->bi_memsize = 16 * 1024 * 1024;
cp = (u_char *)def_enet_addr;
for (i=0; i<6; i++) {
/* I should probably put different ones here,
* hopefully only one is used.
*/
bd->BD_EMAC_ADDR(0,i) = *cp;
#ifdef CONFIG_PCI
bd->bi_pci_enetaddr[i] = *cp++;
#endif
}
bd->bi_tbfreq = 200 * 1000 * 1000;
bd->bi_intfreq = 200000000;
bd->bi_busfreq = 100000000;
#ifdef CONFIG_PCI
bd->bi_pci_busfreq = 66666666;
#endif
}
/* Yeah, this look weird, but on Redwood 4 they are
* different object in the structure. Sincr Redwwood 5
* and Redwood 6 use OpenBIOS, it requires a special value.
*/
#if defined(CONFIG_REDWOOD_5) || defined (CONFIG_REDWOOD_6)
bd->bi_tbfreq = 27 * 1000 * 1000;
#endif
timebase_period_ns = 1000000000 / bd->bi_tbfreq;
}
#endif /* CONFIG_IBM_OPENBIOS */
#ifdef CONFIG_EP405
#include <linux/serial_reg.h>
void
embed_config(bd_t **bdp)
{
u32 chcr0;
u_char *cp;
bd_t *bd;
/* Different versions of the PlanetCore firmware vary in how
they set up the serial port - in particular whether they
use the internal or external serial clock for UART0. Make
sure the UART is in a known state. */
/* FIXME: We should use the board's 11.0592MHz external serial
clock - it will be more accurate for serial rates. For
now, however the baud rates in ep405.h are for the internal
clock. */
chcr0 = mfdcr(DCRN_CHCR0);
if ( (chcr0 & 0x1fff) != 0x103e ) {
mtdcr(DCRN_CHCR0, (chcr0 & 0xffffe000) | 0x103e);
/* The following tricks serial_init() into resetting the baud rate */
writeb(0, UART0_IO_BASE + UART_LCR);
}
/* We haven't seen actual problems with the EP405 leaving the
* EMAC running (as we have on Walnut). But the registers
* suggest it may not be left completely quiescent. Reset it
* just to be sure. */
mtdcr(DCRN_MALCR(DCRN_MAL_BASE), MALCR_MMSR); /* 1st reset MAL */
while (mfdcr(DCRN_MALCR(DCRN_MAL_BASE)) & MALCR_MMSR) {}; /* wait for the reset */
out_be32((unsigned *)EMAC0_BASE,0x20000000); /* then reset EMAC */
bd = &bdinfo;
*bdp = bd;
#if 1
cp = (u_char *)0xF0000EE0;
for (;;) {
if (*cp == 'E') {
cp++;
if (*cp == 'A') {
cp += 2;
rpx_eth(bd, cp);
}
}
if (*cp == 'D') {
cp++;
if (*cp == '1') {
cp += 2;
rpx_memsize(bd, cp);
}
}
if (*cp == 'N') {
cp++;
if (*cp == 'V') {
cp += 2;
rpx_nvramsize(bd, cp);
}
}
while ((*cp != '\n') && (*cp != 0xff))
cp++;
cp++;
if ((*cp == 0) || (*cp == 0xff))
break;
}
bd->bi_intfreq = 200000000;
bd->bi_busfreq = 100000000;
bd->bi_pci_busfreq= 33000000 ;
#else
bd->bi_memsize = 64000000;
bd->bi_intfreq = 200000000;
bd->bi_busfreq = 100000000;
bd->bi_pci_busfreq= 33000000 ;
#endif
}
#endif