diff options
| author | Sven Schnelle <svens@stackframe.org> | 2011-02-01 10:44:26 +0000 |
|---|---|---|
| committer | Patrick Georgi <patrick.georgi@coresystems.de> | 2011-02-01 10:44:26 +0000 |
| commit | 4a6c9d159c38ed52397fa7b98b57d48e8c53c427 (patch) | |
| tree | b60e99ec6f252e3177f22639a695c3f5da7b8278 /src/ec/lenovo/pmh7 | |
| parent | 478b77d3884f8c1ca54144380a417ba7a73162ea (diff) | |
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
Diffstat (limited to 'src/ec/lenovo/pmh7')
| -rw-r--r-- | src/ec/lenovo/pmh7/Kconfig | 2 | ||||
| -rw-r--r-- | src/ec/lenovo/pmh7/Makefile.inc | 1 | ||||
| -rw-r--r-- | src/ec/lenovo/pmh7/pmh7.c | 56 | ||||
| -rw-r--r-- | src/ec/lenovo/pmh7/pmh7.h | 15 |
4 files changed, 74 insertions, 0 deletions
diff --git a/src/ec/lenovo/pmh7/Kconfig b/src/ec/lenovo/pmh7/Kconfig new file mode 100644 index 0000000000..27815bc017 --- /dev/null +++ b/src/ec/lenovo/pmh7/Kconfig @@ -0,0 +1,2 @@ +config EC_LENOVO_PMH7 + bool diff --git a/src/ec/lenovo/pmh7/Makefile.inc b/src/ec/lenovo/pmh7/Makefile.inc new file mode 100644 index 0000000000..4c891b25ab --- /dev/null +++ b/src/ec/lenovo/pmh7/Makefile.inc @@ -0,0 +1 @@ +driver-y += pmh7.c diff --git a/src/ec/lenovo/pmh7/pmh7.c b/src/ec/lenovo/pmh7/pmh7.c new file mode 100644 index 0000000000..c9cf1925cf --- /dev/null +++ b/src/ec/lenovo/pmh7/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, +}; diff --git a/src/ec/lenovo/pmh7/pmh7.h b/src/ec/lenovo/pmh7/pmh7.h new file mode 100644 index 0000000000..2999ef6197 --- /dev/null +++ b/src/ec/lenovo/pmh7/pmh7.h @@ -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 |