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-rw-r--r--src/mainboard/asus/m5a88-v/romstage.c2
-rw-r--r--src/superio/ite/it8721f/Makefile.inc2
-rw-r--r--src/superio/ite/it8721f/chip.h3
-rw-r--r--src/superio/ite/it8721f/early_serial.c74
-rw-r--r--src/superio/ite/it8721f/it8721f.h18
-rw-r--r--src/superio/ite/it8721f/superio.c3
6 files changed, 48 insertions, 54 deletions
diff --git a/src/mainboard/asus/m5a88-v/romstage.c b/src/mainboard/asus/m5a88-v/romstage.c
index db8b7b5cf5..94a1e4e596 100644
--- a/src/mainboard/asus/m5a88-v/romstage.c
+++ b/src/mainboard/asus/m5a88-v/romstage.c
@@ -41,7 +41,7 @@
#include "northbridge/amd/amdfam10/reset_test.c"
#include <console/loglevel.h>
#include "cpu/x86/bist.h"
-#include "superio/ite/it8721f/early_serial.c"
+#include <superio/ite/it8721f/it8721f.h>
#include <cpu/amd/mtrr.h>
#include "northbridge/amd/amdfam10/setup_resource_map.c"
#include "southbridge/amd/rs780/early_setup.c"
diff --git a/src/superio/ite/it8721f/Makefile.inc b/src/superio/ite/it8721f/Makefile.inc
index 712d020eb2..ef616f4460 100644
--- a/src/superio/ite/it8721f/Makefile.inc
+++ b/src/superio/ite/it8721f/Makefile.inc
@@ -18,5 +18,5 @@
## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
##
+romstage-$(CONFIG_SUPERIO_ITE_IT8721F) += early_serial.c
ramstage-$(CONFIG_SUPERIO_ITE_IT8721F) += superio.c
-
diff --git a/src/superio/ite/it8721f/chip.h b/src/superio/ite/it8721f/chip.h
index bd04460b5a..e903cd651a 100644
--- a/src/superio/ite/it8721f/chip.h
+++ b/src/superio/ite/it8721f/chip.h
@@ -21,11 +21,10 @@
#ifndef SUPERIO_ITE_IT8721F_CHIP_H
#define SUPERIO_ITE_IT8721F_CHIP_H
-#include <device/device.h>
#include <pc80/keyboard.h>
struct superio_ite_it8721f_config {
struct pc_keyboard keyboard;
};
-#endif
+#endif /* SUPERIO_ITE_IT8721F_CHIP_H */
diff --git a/src/superio/ite/it8721f/early_serial.c b/src/superio/ite/it8721f/early_serial.c
index 20e19b65aa..df662223dc 100644
--- a/src/superio/ite/it8721f/early_serial.c
+++ b/src/superio/ite/it8721f/early_serial.c
@@ -3,6 +3,7 @@
*
* Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2011 QingPei Wang <wangqingpei@gmail.com>
+ * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -20,30 +21,25 @@
*/
#include <arch/io.h>
+#include <device/pnp.h>
+#include <stdint.h>
#include "it8721f.h"
-/* The base address is 0x2e or 0x4e, depending on config bytes. */
-#define SIO_BASE 0x2e
-#define SIO_INDEX SIO_BASE
-#define SIO_DATA (SIO_BASE + 1)
-
/* Global configuration registers. */
#define IT8721F_CONFIG_REG_CC 0x02 /* Configure Control (write-only). */
#define IT8721F_CONFIG_REG_LDN 0x07 /* Logical Device Number. */
#define IT8721F_CONFIG_REG_CLOCKSEL 0x23 /* Clock Selection. */
#define IT8721F_CONFIG_REG_SWSUSP 0x24 /* Software Suspend, Flash I/F. */
-static void it8721f_sio_write(u8 ldn, u8 index, u8 value)
+static void it8721f_sio_write(device_t dev, u8 index, u8 value)
{
- outb(IT8721F_CONFIG_REG_LDN, SIO_BASE);
- outb(ldn, SIO_DATA);
- outb(index, SIO_BASE);
- outb(value, SIO_DATA);
+ pnp_set_logical_device(dev);
+ pnp_write_config(dev, index, value);
}
-static void it8721f_enter_conf(void)
+static void it8721f_enter_conf(device_t dev)
{
- u16 port = 0x2e; /* TODO: Don't hardcode! */
+ u16 port = dev >> 8;
outb(0x87, port);
outb(0x01, port);
@@ -51,43 +47,39 @@ static void it8721f_enter_conf(void)
outb((port == 0x4e) ? 0xaa : 0x55, port);
}
-static void it8721f_exit_conf(void)
+static void it8721f_exit_conf(device_t dev)
{
- it8721f_sio_write(0x00, IT8721F_CONFIG_REG_CC, 0x02);
+ it8721f_sio_write(dev, IT8721F_CONFIG_REG_CC, 0x02);
}
-/* Select 24MHz CLKIN (48MHz default). */
-void it8721f_24mhz_clkin(void)
+static void it8721f_reg_write(device_t dev, u8 index, u8 value)
{
- it8721f_enter_conf();
- it8721f_sio_write(0x00, IT8721F_CONFIG_REG_CLOCKSEL, 0x1);
- it8721f_exit_conf();
+ it8721f_enter_conf(dev);
+ it8721f_sio_write(dev, index, value);
+ it8721f_exit_conf(dev);
}
-/* Enable the serial port(s). */
-void it8721f_enable_serial(device_t dev, u16 iobase)
+/*
+ * in romstage.c
+ * #define CLKIN_DEV PNP_DEV(0x2e, IT8721F_GPIO)
+ * and pass: CLKIN_DEV
+ * IT8721F_UART_CLK_PREDIVIDE_24
+ * IT8721F_UART_CLK_PREDIVIDE_48 (default)
+ */
+void it8721f_conf_clkin(device_t dev, u8 predivide)
{
- /* (1) Enter the configuration state (MB PnP mode). */
- it8721f_enter_conf();
-
- /* (2) Modify the data of configuration registers. */
-
- /*
- * Select the chip to configure (if there's more than one).
- * Set bit 7 to select JP3=1, clear bit 7 to select JP3=0.
- * If this register is not written, both chips are configured.
- */
-
- /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_CONFIGSEL, 0x00); */
-
- /* Enable serial port(s). */
- it8721f_sio_write(IT8721F_SP1, 0x30, 0x1); /* Serial port 1 */
- it8721f_sio_write(IT8721F_SP2, 0x30, 0x1); /* Serial port 2 */
+ it8721f_reg_write(dev, IT8721F_CONFIG_REG_CLOCKSEL, (0x1 & predivide));
+}
- /* Clear software suspend mode (clear bit 0). TODO: Needed? */
- /* it8718f_sio_write(0x00, IT8718F_CONFIG_REG_SWSUSP, 0x00); */
- /* (3) Exit the configuration state (MB PnP mode). */
- it8721f_exit_conf();
+/* Enable the serial port(s). */
+void it8721f_enable_serial(device_t dev, u16 iobase)
+{
+ it8721f_enter_conf(dev);
+ pnp_set_logical_device(dev);
+ pnp_set_enable(dev, 0);
+ pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
+ pnp_set_enable(dev, 1);
+ it8721f_exit_conf(dev);
}
diff --git a/src/superio/ite/it8721f/it8721f.h b/src/superio/ite/it8721f/it8721f.h
index 25300e6659..9d5a528295 100644
--- a/src/superio/ite/it8721f/it8721f.h
+++ b/src/superio/ite/it8721f/it8721f.h
@@ -19,9 +19,13 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#ifndef SUPERIO_ITE_IT8721F_IT8721F_H
-#define SUPERIO_ITE_IT8721F_IT8721F_H
+#ifndef SUPERIO_ITE_IT8721F_H
+#define SUPERIO_ITE_IT8721F_H
+#include <device/pnp.h>
+#include <stdint.h>
+
+/* Logical Device Numbers (LDN). */
#define IT8721F_FDC 0x00 /* Floppy */
#define IT8721F_SP1 0x01 /* Com1 */
#define IT8721F_SP2 0x02 /* Com2 */
@@ -32,10 +36,10 @@
#define IT8721F_GPIO 0x07 /* GPIO */
#define IT8721F_IR 0x0a /* Consumer IR */
-#if defined(__PRE_RAM__)
-void it8721f_24mhz_clkin(void);
-void it8721f_disable_reboot(void);
+#define IT8721F_UART_CLK_PREDIVIDE_48 0x00 /* default */
+#define IT8721F_UART_CLK_PREDIVIDE_24 0x01
+
+void it8721f_conf_clkin(device_t dev, u8 predivide);
void it8721f_enable_serial(device_t dev, u16 iobase);
-#endif
-#endif
+#endif /* SUPERIO_ITE_IT8721F_H */
diff --git a/src/superio/ite/it8721f/superio.c b/src/superio/ite/it8721f/superio.c
index 27eab4905d..300a480e60 100644
--- a/src/superio/ite/it8721f/superio.c
+++ b/src/superio/ite/it8721f/superio.c
@@ -67,8 +67,7 @@ static struct pnp_info pnp_dev_info[] = {
static void enable_dev(struct device *dev)
{
- pnp_enable_devices(dev, &pnp_ops,
- ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
+ pnp_enable_devices(dev, &pnp_ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
}
struct chip_operations superio_ite_it8721f_ops = {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 15:42:19 +0000