Add support for the Lenovo PMH7 embedded controller
Lenovo PMH7 (Power Management Hardware Hub) is found in most recent (starting with X60/T60 AFAIK) Lenovo/IBM Laptops. Signed-off-by: Sven Schnelle <svens@stackframe.org> Acked-by: Patrick Georgi <patrick.georgi@secunet.com> git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6325 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
parent
478b77d388
commit
4a6c9d159c
|
@ -1 +1,2 @@
|
|||
source src/ec/acpi/Kconfig
|
||||
source src/ec/lenovo/Kconfig
|
||||
|
|
|
@ -0,0 +1 @@
|
|||
source src/ec/lenovo/pmh7/Kconfig
|
|
@ -0,0 +1 @@
|
|||
subdirs-$(CONFIG_EC_LENOVO_PMH7) += pmh7
|
|
@ -0,0 +1,2 @@
|
|||
config EC_LENOVO_PMH7
|
||||
bool
|
|
@ -0,0 +1 @@
|
|||
driver-y += pmh7.c
|
|
@ -0,0 +1,56 @@
|
|||
#include <arch/io.h>
|
||||
#include <console/console.h>
|
||||
#include <device/device.h>
|
||||
#include <device/pnp.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "pmh7.h"
|
||||
|
||||
void pmh7_register_set_bit(int reg, int bit)
|
||||
{
|
||||
char val;
|
||||
|
||||
outb(reg, EC_LENOVO_PMH7_ADDR);
|
||||
val = inb(EC_LENOVO_PMH7_DATA);
|
||||
outb(reg, EC_LENOVO_PMH7_ADDR);
|
||||
outb(val | (1 << bit), EC_LENOVO_PMH7_DATA);
|
||||
}
|
||||
|
||||
void pmh7_register_clear_bit(int reg, int bit)
|
||||
{
|
||||
char val;
|
||||
|
||||
outb(reg, EC_LENOVO_PMH7_ADDR);
|
||||
val = inb(EC_LENOVO_PMH7_DATA);
|
||||
outb(reg, EC_LENOVO_PMH7_ADDR);
|
||||
outb(val &= ~(1 << bit), EC_LENOVO_PMH7_DATA);
|
||||
}
|
||||
|
||||
char pmh7_register_read(int reg)
|
||||
{
|
||||
outb(reg, EC_LENOVO_PMH7_ADDR);
|
||||
return inb(EC_LENOVO_PMH7_DATA);
|
||||
}
|
||||
|
||||
void pmh7_register_write(int reg, int val)
|
||||
{
|
||||
outb(reg, EC_LENOVO_PMH7_ADDR);
|
||||
outb(val, EC_LENOVO_PMH7_DATA);
|
||||
}
|
||||
|
||||
static void enable_dev(device_t dev)
|
||||
{
|
||||
struct resource *resource;
|
||||
resource = new_resource(dev, EC_LENOVO_PMH7_INDEX);
|
||||
resource->flags = IORESOURCE_IO | IORESOURCE_FIXED;
|
||||
resource->base = EC_LENOVO_PMH7_BASE;
|
||||
resource->size = 16;
|
||||
resource->align = 5;
|
||||
resource->gran = 5;
|
||||
|
||||
}
|
||||
|
||||
struct chip_operations ec_lenovo_pmh7_ops = {
|
||||
CHIP_NAME("Lenovo Power Management Hardware Hub 7")
|
||||
.enable_dev = enable_dev,
|
||||
};
|
|
@ -0,0 +1,15 @@
|
|||
#ifndef EC_LENOVO_PMH7_H
|
||||
#define EC_LENOVO_PMH7_H
|
||||
|
||||
#define EC_LENOVO_PMH7_INDEX 0x77
|
||||
|
||||
#define EC_LENOVO_PMH7_BASE 0x15e0
|
||||
#define EC_LENOVO_PMH7_ADDR (EC_LENOVO_PMH7_BASE + 0x0c)
|
||||
#define EC_LENOVO_PMH7_DATA (EC_LENOVO_PMH7_BASE + 0x0e)
|
||||
|
||||
void pmh7_register_set_bit(int reg, int bit);
|
||||
void pmh7_register_clear_bit(int reg, int bit);
|
||||
char pmh7_register_read(int reg);
|
||||
void pmh7_register_write(int reg, int val);
|
||||
|
||||
#endif
|
Loading…
Reference in New Issue