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authorUwe Hermann <uwe@hermann-uwe.de>2010-11-10 18:22:11 +0000
committerUwe Hermann <uwe@hermann-uwe.de>2010-11-10 18:22:11 +0000
commitd1a1d57adca92dd71f62dfb9363def532c3fc0e6 (patch)
treeb79e7be2c1f36d33edd04b5e4a0ec96d783af2d7 /src/mainboard
parent340fa9396b4b73fd894a15fe48882c98d74292ce (diff)
Restructure i3100 Super I/O driver to match the rest of the codebase.
- i3100_early_serial.c: - Split out enter/exit functions as the other Super I/Os do. - Make i3100_enable_serial() take a device_t as usual, and convert it to use the standard pnp_* function instead of open-coding the same functionality by hand. - Factor out i3100_configure_uart_clk() from i3100_enable_serial(), we do the same in various other Super I/Os, e.g. ITE ones. - Add some #defines for register / bit values and some comments. - Only functional change: Don't set bit 1 of SIW_CONFIGURATION, it's marked as "READ ONLY, WRITES IGNORED" in the datasheet. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Peter Stuge <peter@stuge.se> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6058 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'src/mainboard')
-rw-r--r--src/mainboard/intel/eagleheights/romstage.c6
-rw-r--r--src/mainboard/intel/mtarvon/romstage.c7
-rw-r--r--src/mainboard/intel/truxton/romstage.c7
3 files changed, 16 insertions, 4 deletions
diff --git a/src/mainboard/intel/eagleheights/romstage.c b/src/mainboard/intel/eagleheights/romstage.c
index 8ffe22c168..8e1d212363 100644
--- a/src/mainboard/intel/eagleheights/romstage.c
+++ b/src/mainboard/intel/eagleheights/romstage.c
@@ -91,6 +91,8 @@ static inline int spd_read_byte(u16 device, u8 address)
#include "northbridge/intel/i3100/reset_test.c"
#include "debug.c"
+#define SERIAL_DEV PNP_DEV(0x4e, I3100_SP1)
+
static void early_config(void)
{
u32 gcs, rpc, fd;
@@ -157,7 +159,9 @@ void main(unsigned long bist)
/* Setup the console */
i3100_enable_superio();
- i3100_enable_serial(0x4E, I3100_SP1, CONFIG_TTYS0_BASE);
+ i3100_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+ i3100_configure_uart_clk(SERIAL_DEV, I3100_UART_CLK_PREDIVIDE_26);
+
uart_init();
console_init();
diff --git a/src/mainboard/intel/mtarvon/romstage.c b/src/mainboard/intel/mtarvon/romstage.c
index 89fb5439ef..f36e4a4e68 100644
--- a/src/mainboard/intel/mtarvon/romstage.c
+++ b/src/mainboard/intel/mtarvon/romstage.c
@@ -40,6 +40,8 @@
#define DEVPRES_CONFIG (DEVPRES_D1F0 | DEVPRES_D2F0)
#define DEVPRES1_CONFIG (DEVPRES1_D0F1 | DEVPRES1_D8F0)
+#define SERIAL_DEV PNP_DEV(0x4e, I3100_SP1)
+
static inline int spd_read_byte(u16 device, u8 address)
{
return smbus_read_byte(device, address);
@@ -75,9 +77,12 @@ void main(unsigned long bist)
}
#endif
}
+
/* Set up the console */
i3100_enable_superio();
- i3100_enable_serial(0x4e, I3100_SP1, CONFIG_TTYS0_BASE);
+ i3100_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+ i3100_configure_uart_clk(SERIAL_DEV, I3100_UART_CLK_PREDIVIDE_26);
+
uart_init();
console_init();
diff --git a/src/mainboard/intel/truxton/romstage.c b/src/mainboard/intel/truxton/romstage.c
index 3ef60b893e..4f85095d9f 100644
--- a/src/mainboard/intel/truxton/romstage.c
+++ b/src/mainboard/intel/truxton/romstage.c
@@ -15,7 +15,6 @@
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
*/
#include <stdint.h>
@@ -54,6 +53,8 @@ static inline int spd_read_byte(u16 device, u8 address)
/* #define TRUXTON_DEBUG */
+#define SERIAL_DEV PNP_DEV(0x4e, I3100_SP1)
+
static void main(unsigned long bist)
{
msr_t msr;
@@ -76,7 +77,9 @@ static void main(unsigned long bist)
/* Set up the console */
i3100_enable_superio();
- i3100_enable_serial(I3100_SUPERIO_CONFIG_PORT, I3100_SP1, CONFIG_TTYS0_BASE);
+ i3100_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE);
+ i3100_configure_uart_clk(SERIAL_DEV, I3100_UART_CLK_PREDIVIDE_26);
+
uart_init();
console_init();