patch-2.4.5 linux/arch/ppc/mbxboot/embed_config.c

• Lines: 254
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.4/linux/arch/ppc/mbxboot/embed_config.c
• Orig date: Mon Jun 19 17:59:36 2000

diff -u --recursive --new-file v2.4.4/linux/arch/ppc/mbxboot/embed_config.c linux/arch/ppc/mbxboot/embed_config.c
@@ -1,253 +0,0 @@
-
-/* Board specific functions for those embedded 8xx boards that do
- * not have boot monitor support for board information.
- */
-#include <sys/types.h>
-#include <linux/config.h>
-#ifdef CONFIG_8xx
-#include <asm/mpc8xx.h>
-#endif
-#ifdef CONFIG_8260
-#include <asm/mpc8260.h>
-#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);
-extern u_char	aschex_to_byte(u_char *cp);
-
-/* 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_RPXLITE) || defined(CONFIG_RPXCLASSIC)
-
-static void	rpx_eth(bd_t *bd, u_char *cp);
-static void	rpx_brate(bd_t *bd, u_char *cp);
-static void	rpx_memsize(bd_t *bd, u_char *cp);
-static void	rpx_cpuspeed(bd_t *bd, u_char *cp);
-
-/* Read the EEPROM on the RPX-Lite board.
-*/
-void
-rpx_cfg(bd_t *bd)
-{
-	u_char	eebuf[256], *cp;
-
-	/* 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.
-	 */
-#if 1
-	iic_read(0xa8, eebuf, 0, 128);
-	iic_read(0xa8, &eebuf[128], 128, 128);
-	{
-		int i;
-		cp = (u_char *)0xfa000000;
-
-		for (i=0; i<256; i++)
-			*cp++ = eebuf[i];
-	}
-
-	/* 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 = 48;
-	bd->bi_busfreq = 48;
-	bd->bi_baudrate = 9600;
-#endif
-}
-
-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;
-	}
-}
-
-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_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;
-}
-
-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;
-
-	/* 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 /* 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
-bseip_cfg(bd_t *bd)
-{
-	u_char	*cp;
-	int	i;
-
-	/* 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 = 48;
-	bd->bi_busfreq = 48;
-}
-#endif /* BSEIP */
-
-#ifdef CONFIG_EST8260
-void
-embed_config(bd_t *bd)
-{
-	u_char	*cp;
-	int	i;
-
-#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 = 200;
-	bd->bi_busfreq = 66;
-	bd->bi_cpmfreq = 66;
-	bd->bi_brgfreq = 33;
-	bd->bi_memsize = 16 * 1024 * 1024;
-#endif
-
-	cp = (u_char *)def_enet_addr;
-	for (i=0; i<6; i++) {
-		bd->bi_enetaddr[i] = *cp++;
-	}
-}
-#endif /* EST8260 */
-