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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:
Sven Schnelle 2011-02-01 10:44:26 +00:00 committed by Patrick Georgi
parent 478b77d388
commit 4a6c9d159c
7 changed files with 77 additions and 0 deletions
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1
src/ec/Kconfig
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source src/ec/acpi/Kconfig
source src/ec/lenovo/Kconfig

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src/ec/lenovo/Kconfig Normal file
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source src/ec/lenovo/pmh7/Kconfig

1
src/ec/lenovo/Makefile.inc Normal file
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subdirs-$(CONFIG_EC_LENOVO_PMH7) += pmh7

2
src/ec/lenovo/pmh7/Kconfig Normal file
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config EC_LENOVO_PMH7
bool

1
src/ec/lenovo/pmh7/Makefile.inc Normal file
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driver-y += pmh7.c

56
src/ec/lenovo/pmh7/pmh7.c Normal file
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#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,
};

15
src/ec/lenovo/pmh7/pmh7.h Normal file
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#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