drop half an uart8250 implementation from smiutil and use the common code

for that instead. This also allows using non-uart8250 consoles for smi
debugging.

Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6501 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

1 files changed, 22 insertions, 80 deletions

diff --git a/src/cpu/x86/smm/smiutil.c b/src/cpu/x86/smm/smiutil.c
index 980ea69f51..cf951f4518 100644
--- a/src/cpu/x86/smm/smiutil.c
+++ b/src/cpu/x86/smm/smiutil.c
@@ -21,110 +21,52 @@
 
 #include <arch/io.h>
 #include <arch/romcc_io.h>
-#include <console/console.h>
 #include <cpu/x86/cache.h>
 #include <cpu/x86/smm.h>
 
-/* ********************* smi_util ************************* */
-
-/* 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
-
-#ifndef CONFIG_TTYS0_BASE
-#define CONFIG_TTYS0_BASE 0x3f8
-#endif
-
-#ifndef CONFIG_TTYS0_BAUD
-#define CONFIG_TTYS0_BAUD 115200
+#include <console/console.h>
+#include <console/vtxprintf.h>
+#if CONFIG_CONSOLE_SERIAL8250
+#include <uart8250.h>
 #endif
-
-#ifndef CONFIG_TTYS0_DIV
-#define CONFIG_TTYS0_DIV	(115200/CONFIG_TTYS0_BAUD)
+#if CONFIG_USBDEBUG
+#include <usbdebug.h>
 #endif
-
-/* Line Control Settings */
-#ifndef CONFIG_TTYS0_LCS
-/* Set 8bit, 1 stop bit, no parity */
-#define CONFIG_TTYS0_LCS	0x3
+#if CONFIG_CONSOLE_NE2K
+#include <console/ne2k.h>
 #endif
 
-#define UART_LCS	CONFIG_TTYS0_LCS
-
-static int uart_can_tx_byte(void)
-{
-	return inb(CONFIG_TTYS0_BASE + UART_LSR) & 0x20;
-}
-
-static void uart_wait_to_tx_byte(void)
-{
-	while(!uart_can_tx_byte())
-	;
-}
-
-static void uart_wait_until_sent(void)
-{
-	while(!(inb(CONFIG_TTYS0_BASE + UART_LSR) & 0x40))
-	;
-}
-
-static void uart_tx_byte(unsigned char data)
-{
-	uart_wait_to_tx_byte();
-	outb(data, CONFIG_TTYS0_BASE + UART_TBR);
-	/* Make certain the data clears the fifos */
-	uart_wait_until_sent();
-}
-
 void console_tx_flush(void)
 {
-	uart_wait_to_tx_byte();
+	// the tx_byte functions take care of the flush.
+	// if not, this should be implemented.
 }
 
 void console_tx_byte(unsigned char byte)
 {
 	if (byte == '\n')
-		uart_tx_byte('\r');
-	uart_tx_byte(byte);
-}
+		console_tx_byte('\r');
 
-#if CONFIG_DEBUG_SMI
-static void uart_init(void)
-{
-	/* disable interrupts */
-	outb(0x0, CONFIG_TTYS0_BASE + UART_IER);
-	/* enable fifo's */
-	outb(0x01, CONFIG_TTYS0_BASE + UART_FCR);
-	/* Set Baud Rate Divisor to 12 ==> 115200 Baud */
-	outb(0x80 | UART_LCS, CONFIG_TTYS0_BASE + UART_LCR);
-	outb(CONFIG_TTYS0_DIV & 0xFF,   CONFIG_TTYS0_BASE + UART_DLL);
-	outb((CONFIG_TTYS0_DIV >> 8) & 0xFF,    CONFIG_TTYS0_BASE + UART_DLM);
-	outb(UART_LCS, CONFIG_TTYS0_BASE + UART_LCR);
-}
+#if CONFIG_CONSOLE_SERIAL8250
+	uart8250_tx_byte(CONFIG_TTYS0_BASE, byte);
+#endif
+#if CONFIG_USBDEBUG
+	usbdebug_tx_byte(byte);
 #endif
+#if CONFIG_CONSOLE_NE2K
+	ne2k_append_data(&byte, 1, CONFIG_CONSOLE_NE2K_IO_PORT);
+#endif
+}
 
 void console_init(void)
 {
 #if CONFIG_DEBUG_SMI
 	console_loglevel = CONFIG_DEFAULT_CONSOLE_LOGLEVEL;
+#if CONFIG_CONSOLE_SERIAL8250
 	uart_init();
+#endif
 #else
 	console_loglevel = 1;
 #endif
 }
 
-/* ********************* smi_util ************************* */