[commit] r6539 - in trunk/src: console lib

[repository service]

Author: stepan
Date: Fri Apr 22 04:17:26 2011
New Revision: 6539
URL: https://tracker.coreboot.org/trac/coreboot/changeset/6539

Log:
Get rid of all but one (I/O mapped) UART init functions.

Signed-off-by: Stefan Reinauer 
Acked-by: Stefan Reinauer

Modified:
   trunk/src/console/uart8250_console.c
   trunk/src/lib/uart8250.c

Modified: trunk/src/console/uart8250_console.c
==============================================================================
--- trunk/src/console/uart8250_console.c	Fri Apr 22 03:45:11 2011	(r6538)
+++ trunk/src/console/uart8250_console.c	Fri Apr 22 04:17:26 2011	(r6539)
@@ -23,20 +23,7 @@

static void ttyS0_init(void)
 {
-	static const unsigned char div[8] = { 1, 2, 3, 6, 12, 24, 48, 96 };
-	int b_index = 0;
-	/* TODO the divisor calculation is hard coded to standard UARTs. Some
-	 * UARTs won't work with these values. This should be a property of the
-	 * UART used, worst case a Kconfig variable. For now live with hard
-	 * codes as the only devices that might be different are the iWave
-	 * iRainbowG6 and the OXPCIe952 card (and the latter is memory mapped)
-	 */
-	unsigned int divisor = 115200 / CONFIG_TTYS0_BAUD;
-
-	if (get_option(&b_index, "baud_rate") == 0) {
-		divisor = div[b_index];
-	}
-	uart8250_init(CONFIG_TTYS0_BASE, divisor);
+	uart_init();
 }

static void ttyS0_tx_byte(unsigned char data)

Modified: trunk/src/lib/uart8250.c
==============================================================================
--- trunk/src/lib/uart8250.c	Fri Apr 22 03:45:11 2011	(r6538)
+++ trunk/src/lib/uart8250.c	Fri Apr 22 04:17:26 2011	(r6539)
@@ -85,7 +85,6 @@
    outb(CONFIG_TTYS0_LCS, base_port + UART_LCR);
 }

-#if defined(__PRE_RAM__) || defined(__SMM__)
 void uart_init(void)
 {
    /* TODO the divisor calculation is hard coded to standard UARTs. Some
@@ -94,16 +93,21 @@
     * codes as the only devices that might be different are the iWave
     * iRainbowG6 and the OXPCIe952 card (and the latter is memory mapped)
     */
-#if CONFIG_USE_OPTION_TABLE && !defined(__SMM__)
-        static const unsigned char divisor[] = { 1, 2, 3, 6, 12, 24, 48, 96 };
-        unsigned ttys0_div, ttys0_index;
-        ttys0_index = read_option(CMOS_VSTART_baud_rate, CMOS_VLEN_baud_rate, 0);
-        ttys0_index &= 7;
-        ttys0_div = divisor[ttys0_index];
+	unsigned int div = (115200 / CONFIG_TTYS0_BAUD);

-	uart8250_init(CONFIG_TTYS0_BASE, ttys0_div);
+#if !defined(__SMM__) && CONFIG_USE_OPTION_TABLE
+	static const unsigned char divisor[8] = { 1, 2, 3, 6, 12, 24, 48, 96 };
+	unsigned b_index = 0;
+#if defined(__PRE_RAM__)
+	b_index = read_option(CMOS_VSTART_baud_rate, CMOS_VLEN_baud_rate, 0);
+	b_index &= 7;
+	div = divisor[ttys0_index];
 #else
-	uart8250_init(CONFIG_TTYS0_BASE, (115200 / CONFIG_TTYS0_BAUD));
+	if (get_option(&b_index, "baud_rate") == 0) {
+		div = divisor[b_index];
+	}
 #endif
-}
 #endif
+
+	uart8250_init(CONFIG_TTYS0_BASE, div);
+}