[coreboot] [commit] r6442 - trunk/src/ec/acpi
repository service
svn at coreboot.org
Mon Mar 14 09:18:30 CET 2011
Author: svens
Date: Mon Mar 14 09:18:27 2011
New Revision: 6442
URL: https://tracker.coreboot.org/trac/coreboot/changeset/6442
Log:
ec/acpi: make ACPI register pair configurable
Signed-off-by: Sven Schnelle <svens at stackframe.org>
Acked-by: Stefan Reinauer <stefan.reinauer at coreboot.org>
Modified:
trunk/src/ec/acpi/ec.c
trunk/src/ec/acpi/ec.h
Modified: trunk/src/ec/acpi/ec.c
==============================================================================
--- trunk/src/ec/acpi/ec.c Mon Mar 14 09:18:17 2011 (r6441)
+++ trunk/src/ec/acpi/ec.c Mon Mar 14 09:18:27 2011 (r6442)
@@ -25,12 +25,15 @@
#include <delay.h>
#include "ec.h"
+static int ec_cmd_reg = EC_SC;
+static int ec_data_reg = EC_DATA;
+
int send_ec_command(u8 command)
{
int timeout;
timeout = 0x7ff;
- while ((inb(EC_SC) & EC_IBF) && --timeout) {
+ while ((inb(ec_cmd_reg) & EC_IBF) && --timeout) {
udelay(10);
if ((timeout & 0xff) == 0)
printk(BIOS_SPEW, ".");
@@ -41,7 +44,7 @@
// return -1;
}
- outb(command, EC_SC);
+ outb(command, ec_cmd_reg);
return 0;
}
@@ -50,7 +53,7 @@
int timeout;
timeout = 0x7ff;
- while ((inb(EC_SC) & EC_IBF) && --timeout) { // wait for IBF = 0
+ while ((inb(ec_cmd_reg) & EC_IBF) && --timeout) { // wait for IBF = 0
udelay(10);
if ((timeout & 0xff) == 0)
printk(BIOS_SPEW, ".");
@@ -61,14 +64,14 @@
// return -1;
}
- outb(data, EC_DATA);
+ outb(data, ec_data_reg);
return 0;
}
int send_ec_data_nowait(u8 data)
{
- outb(data, EC_DATA);
+ outb(data, ec_data_reg);
return 0;
}
@@ -80,7 +83,7 @@
timeout = 0x7fff;
while (--timeout) { // Wait for OBF = 1
- if (inb(EC_SC) & EC_OBF) {
+ if (inb(ec_cmd_reg) & EC_OBF) {
break;
}
udelay(10);
@@ -92,7 +95,7 @@
// return -1;
}
- data = inb(EC_DATA);
+ data = inb(ec_data_reg);
printk(BIOS_DEBUG, "recv_ec_data: 0x%02x\n", data);
return data;
@@ -123,6 +126,12 @@
ec_write(addr, ec_read(addr) & ~(1 << bit));
}
+void ec_set_ports(u16 cmd_reg, u16 data_reg)
+{
+ ec_cmd_reg = cmd_reg;
+ ec_data_reg = data_reg;
+}
+
struct chip_operations ec_acpi_ops = {
CHIP_NAME("ACPI Embedded Controller")
};
Modified: trunk/src/ec/acpi/ec.h
==============================================================================
--- trunk/src/ec/acpi/ec.h Mon Mar 14 09:18:17 2011 (r6441)
+++ trunk/src/ec/acpi/ec.h Mon Mar 14 09:18:27 2011 (r6442)
@@ -46,6 +46,7 @@
int ec_write(u8 addr, u8 data);
void ec_set_bit(u8 addr, u8 bit);
void ec_clr_bit(u8 addr, u8 bit);
+void ec_set_ports(u16 cmd_reg, u16 data_reg);
#endif
More information about the coreboot
mailing list