- Initial checkin of the freebios2 tree

git-svn-id: svn://svn.coreboot.org/coreboot/trunk@784 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

10 files changed, 329 insertions, 0 deletions

diff --git a/src/lib/clog2.c b/src/lib/clog2.c
new file mode 100644
index 0000000000..092b49c821
--- /dev/null
+++ b/src/lib/clog2.c
@@ -0,0 +1,18 @@
+#include <console/console.h>
+
+unsigned long log2(unsigned long x)
+{
+        // assume 8 bits per byte.
+        unsigned long i = 1 << (sizeof(x)*8 - 1);
+        unsigned long pow = sizeof(x) * 8 - 1;
+
+        if (! x) {
+                printk_warning("%s called with invalid parameter of 0\n",
+			__FUNCTION__);
+                return -1;
+        }
+        for(; i > x; i >>= 1, pow--)
+                ;
+
+        return pow;
+}
diff --git a/src/lib/compute_ip_checksum.c b/src/lib/compute_ip_checksum.c
new file mode 100644
index 0000000000..0b8eb90f85
--- /dev/null
+++ b/src/lib/compute_ip_checksum.c
@@ -0,0 +1,53 @@
+#include <stdint.h>
+#include <ip_checksum.h>
+
+unsigned long compute_ip_checksum(void *addr, unsigned long length)
+{
+	uint8_t *ptr;
+	volatile union {
+		uint8_t  byte[2];
+		uint16_t word;
+	} value;
+	unsigned long sum;
+	unsigned long i;
+	/* In the most straight forward way possible,
+	 * compute an ip style checksum.
+	 */
+	sum = 0;
+	ptr = addr;
+	for(i = 0; i < length; i++) {
+		unsigned long value;
+		value = ptr[i];
+		if (i & 1) {
+			value <<= 8;
+		}
+		/* Add the new value */
+		sum += value;
+		/* Wrap around the carry */
+		if (sum > 0xFFFF) {
+			sum = (sum + (sum >> 16)) & 0xFFFF;
+		}
+	}
+	value.byte[0] = sum & 0xff;
+	value.byte[1] = (sum >> 8) & 0xff;
+	return (~value.word) & 0xFFFF;
+}
+
+unsigned long add_ip_checksums(unsigned long offset, unsigned long sum, unsigned long new)
+{
+	unsigned long checksum;
+	sum = ~sum & 0xFFFF;
+	new = ~new & 0xFFFF;
+	if (offset & 1) {
+		/* byte swap the sum if it came from an odd offset 
+		 * since the computation is endian independant this
+		 * works.
+		 */
+		new = ((new >> 8) & 0xff) | ((new << 8) & 0xff00);
+	}
+	checksum = sum + new;
+	if (checksum > 0xFFFF) {
+		checksum -= 0xFFFF;
+	}
+	return (~checksum) & 0xFFFF;
+}
diff --git a/src/lib/delay.c b/src/lib/delay.c
new file mode 100644
index 0000000000..af5f78613e
--- /dev/null
+++ b/src/lib/delay.c
@@ -0,0 +1,15 @@
+#include <delay.h>
+void mdelay(int msecs)
+{
+	int i;
+	for(i = 0; i < msecs; i++) {
+		udelay(1000);
+	}
+}
+void delay(int secs)
+{
+	int i;
+	for(i = 0; i < secs; i++) {
+		mdelay(1000);
+	}
+}
diff --git a/src/lib/fallback_boot.c b/src/lib/fallback_boot.c
new file mode 100644
index 0000000000..1bddd0a169
--- /dev/null
+++ b/src/lib/fallback_boot.c
@@ -0,0 +1,25 @@
+#include <console/console.h>
+#include <part/fallback_boot.h>
+#include <pc80/mc146818rtc.h>
+#include <arch/io.h>
+
+void boot_successful(void)
+{
+	/* Remember I succesfully booted by setting
+	 * the initial boot direction
+	 * to the direction that I booted.
+	 */
+	unsigned char index, byte;
+	index = inb(RTC_PORT(0)) & 0x80;
+	index |= RTC_BOOT_BYTE;
+	outb(index, RTC_PORT(0));
+
+	byte = inb(RTC_PORT(1));
+	byte &= 0xfe;
+	byte |= (byte & 2) >> 1;
+
+	/* If we are in normal mode set the boot count to 0 */
+	if(byte & 1)
+		byte &= 0x0f;
+	outb(byte, RTC_PORT(1));
+}
diff --git a/src/lib/malloc.c b/src/lib/malloc.c
new file mode 100644
index 0000000000..bd403e47e9
--- /dev/null
+++ b/src/lib/malloc.c
@@ -0,0 +1,52 @@
+#include <stdlib.h>
+#include <console/console.h>
+
+#if 0
+#define MALLOCDBG(x)
+#else
+#define MALLOCDBG(x) printk_spew x
+#endif
+extern unsigned char _heap, _eheap;
+static size_t free_mem_ptr = (size_t)&_heap;		/* Start of heap */
+static size_t free_mem_end_ptr = (size_t)&_eheap;	/* End of heap */
+
+
+void malloc_mark(malloc_mark_t *place)
+{
+	*place = free_mem_ptr;
+	printk_spew("malloc_mark 0x%08lx\n", (unsigned long)free_mem_ptr);
+}
+
+void malloc_release(malloc_mark_t *ptr)
+{
+	free_mem_ptr = *ptr;
+	printk_spew("malloc_release 0x%08lx\n", (unsigned long)free_mem_ptr);
+}
+
+void *malloc(size_t size)
+{
+	void *p;
+
+	MALLOCDBG(("%s Enter, size %d, free_mem_ptr %p\n", __FUNCTION__, size, free_mem_ptr));
+	if (size < 0)
+		die("Error! malloc: Size < 0");
+	if (free_mem_ptr <= 0)
+		die("Error! malloc: Free_mem_ptr <= 0");
+
+	free_mem_ptr = (free_mem_ptr + 3) & ~3;	/* Align */
+
+	p = (void *) free_mem_ptr;
+	free_mem_ptr += size;
+
+	if (free_mem_ptr >= free_mem_end_ptr)
+		die("Error! malloc: Free_mem_ptr >= free_mem_end_ptr");
+
+	MALLOCDBG(("malloc 0x%08lx\n", (unsigned long)p));
+
+	return p;
+}
+
+void free(void *where)
+{
+	/* Don't care */
+}
diff --git a/src/lib/memcmp.c b/src/lib/memcmp.c
new file mode 100644
index 0000000000..46f13a41bd
--- /dev/null
+++ b/src/lib/memcmp.c
@@ -0,0 +1,17 @@
+#include <string.h>
+
+int memcmp(const void *src1, const void *src2, size_t bytes)
+{
+	const unsigned char *s1, *s2;
+	int result;
+	s1 = src1;
+	s2 = src2;
+	result = 0;
+	while((bytes > 0) && (result == 0)) {
+		result = *s1 - *s2;
+		bytes--;
+		s1++;
+		s2++;
+	}
+	return result;
+}
diff --git a/src/lib/memcpy.c b/src/lib/memcpy.c
new file mode 100644
index 0000000000..ad8e8bd3f0
--- /dev/null
+++ b/src/lib/memcpy.c
@@ -0,0 +1,11 @@
+#include <string.h>
+void *memcpy(void *__dest, __const void *__src, size_t __n)
+{
+	int i;
+	char *d = (char *) __dest, *s = (char *) __src;
+
+	for (i = 0; i < __n; i++)
+		d[i] = s[i];
+
+	return __dest;
+}
diff --git a/src/lib/memset.c b/src/lib/memset.c
new file mode 100644
index 0000000000..c1bb4f841f
--- /dev/null
+++ b/src/lib/memset.c
@@ -0,0 +1,12 @@
+#include <string.h>
+
+void *memset(void *s, int c, size_t n)
+{
+	int i;
+	char *ss = (char *) s;
+
+	for (i = 0; i < n; i++)
+		ss[i] = c;
+
+	return s;
+}
diff --git a/src/lib/uart8250.c b/src/lib/uart8250.c
new file mode 100644
index 0000000000..778919b7ff
--- /dev/null
+++ b/src/lib/uart8250.c
@@ -0,0 +1,64 @@
+#ifndef lint
+static char rcsid[] = "$Id$";
+#endif
+
+/* Should support 8250, 16450, 16550, 16550A type uarts */
+#include <arch/io.h>
+#include <uart8250.h>
+
+/* Data */
+#define UART_RBR 0x00
+#define UART_TBR 0x00
+
+/* Control */
+#define UART_IER 0x01
+#define UART_IIR 0x02
+#define UART_FCR 0x02
+#define UART_LCR 0x03
+#define UART_MCR 0x04
+#define UART_DLL 0x00
+#define UART_DLM 0x01
+
+/* Status */
+#define UART_LSR 0x05
+#define UART_MSR 0x06
+#define UART_SCR 0x07
+
+static inline int uart8250_can_tx_byte(unsigned base_port)
+{
+	return inb(base_port + UART_LSR) & 0x20;
+}
+
+static inline void uart8250_wait_to_tx_byte(unsigned base_port)
+{
+	while(!uart8250_can_tx_byte(base_port))
+		;
+}
+
+static inline void uart8250_wait_until_sent(unsigned base_port)
+{
+	while(!(inb(base_port + UART_LSR) & 0x40)) 
+		;
+}
+
+void uart8250_tx_byte(unsigned base_port, unsigned char data)
+{
+	uart8250_wait_to_tx_byte(base_port);
+	outb(data, base_port + UART_TBR);
+	/* Make certain the data clears the fifos */
+	uart8250_wait_until_sent(base_port);
+}
+
+void uart8250_init(unsigned base_port, unsigned divisor, unsigned lcs)
+{
+	lcs &= 0x7f;
+	/* disable interrupts */
+	outb(0x0, base_port + UART_IER);
+	/* enable fifo's */
+	outb(0x01, base_port + UART_FCR);
+	/* Set Baud Rate Divisor to 12 ==> 115200 Baud */
+	outb(0x80 | lcs, base_port + UART_LCR);
+	outb(divisor & 0xFF,   base_port + UART_DLL);
+	outb((divisor >> 8) & 0xFF,    base_port + UART_DLM);
+	outb(lcs, base_port + UART_LCR);
+}
diff --git a/src/lib/version.c b/src/lib/version.c
new file mode 100644
index 0000000000..73d52ca843
--- /dev/null
+++ b/src/lib/version.c
@@ -0,0 +1,62 @@
+#include <version.h>
+
+#define __STR(X) #X
+#define STR(X) __STR(X)
+
+#ifndef MAINBOARD_VENDOR
+#error MAINBOARD_VENDOR not defined
+#endif
+#ifndef MAINBOARD_PART_NUMBER
+#error  MAINBOARD_PART_NUMBER not defined
+#endif
+
+#ifndef LINUXBIOS_VERSION
+#error  LINUXBIOS_VERSION not defined
+#endif
+#ifndef LINUXBIOS_BUILD
+#error  LINUXBIOS_BUILD not defined
+#endif
+
+#ifndef LINUXBIOS_COMPILE_TIME
+#error  LINUXBIOS_COMPILE_TIME not defined
+#endif
+#ifndef LINUXBIOS_COMPILE_BY
+#error  LINUXBIOS_COMPILE_BY not defined
+#endif
+#ifndef LINUXBIOS_COMPILE_HOST
+#error  LINUXBIOS_COMPILE_HOST not defined
+#endif
+
+#ifndef LINUXBIOS_COMPILER
+#error  LINUXBIOS_COMPILER not defined
+#endif
+#ifndef LINUXBIOS_LINKER
+#error  LINUXBIOS_LINKER not defined
+#endif
+#ifndef LINUXBIOS_ASSEMBLER
+#error  LINUXBIOS_ASSEMBLER not defined
+#endif
+
+
+#ifndef  LINUXBIOS_EXTRA_VERSION
+#define LINUXBIOS_EXTRA_VERSION
+#endif
+
+const char mainboard_vendor[] = STR(MAINBOARD_VENDOR);
+const char mainboard_part_number[] = STR(MAINBOARD_PART_NUMBER);
+
+const char linuxbios_version[] = STR(LINUXBIOS_VERSION);
+const char linuxbios_extra_version[] = STR(LINUXBIOS_EXTRA_VERSION);
+const char linuxbios_build[] = STR(LINUXBIOS_BUILD);
+
+const char linuxbios_compile_time[]   = STR(LINUXBIOS_COMPILE_TIME);
+const char linuxbios_compile_by[]     = STR(LINUXBIOS_COMPILE_BY);
+const char linuxbios_compile_host[]   = STR(LINUXBIOS_COMPILE_HOST);
+const char linuxbios_compile_domain[] = STR(LINUXBIOS_COMPILE_DOMAIN);
+const char linuxbios_compiler[]       = STR(LINUXBIOS_COMPILER);
+const char linuxbios_linker[]         = STR(LINUXBIOS_LINKER);
+const char linuxbios_assembler[]      = STR(LINUXBIOS_ASSEMBLER);
+
+
+
+