From 4a6c9d159c38ed52397fa7b98b57d48e8c53c427 Mon Sep 17 00:00:00 2001 From: Sven Schnelle Date: Tue, 1 Feb 2011 10:44:26 +0000 Subject: [PATCH] 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 Acked-by: Patrick Georgi git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6325 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1 --- src/ec/Kconfig | 1 + src/ec/lenovo/Kconfig | 1 + src/ec/lenovo/Makefile.inc | 1 + src/ec/lenovo/pmh7/Kconfig | 2 ++ src/ec/lenovo/pmh7/Makefile.inc | 1 + src/ec/lenovo/pmh7/pmh7.c | 56 +++++++++++++++++++++++++++++++++ src/ec/lenovo/pmh7/pmh7.h | 15 +++++++++ 7 files changed, 77 insertions(+) create mode 100644 src/ec/lenovo/Kconfig create mode 100644 src/ec/lenovo/Makefile.inc create mode 100644 src/ec/lenovo/pmh7/Kconfig create mode 100644 src/ec/lenovo/pmh7/Makefile.inc create mode 100644 src/ec/lenovo/pmh7/pmh7.c create mode 100644 src/ec/lenovo/pmh7/pmh7.h diff --git a/src/ec/Kconfig b/src/ec/Kconfig index 9408f6bd9e..2a36a328e0 100644 --- a/src/ec/Kconfig +++ b/src/ec/Kconfig @@ -1 +1,2 @@ source src/ec/acpi/Kconfig +source src/ec/lenovo/Kconfig diff --git a/src/ec/lenovo/Kconfig b/src/ec/lenovo/Kconfig new file mode 100644 index 0000000000..b564b62b0b --- /dev/null +++ b/src/ec/lenovo/Kconfig @@ -0,0 +1 @@ +source src/ec/lenovo/pmh7/Kconfig diff --git a/src/ec/lenovo/Makefile.inc b/src/ec/lenovo/Makefile.inc new file mode 100644 index 0000000000..f9a3feb4a1 --- /dev/null +++ b/src/ec/lenovo/Makefile.inc @@ -0,0 +1 @@ +subdirs-$(CONFIG_EC_LENOVO_PMH7) += pmh7 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 +#include +#include +#include +#include + +#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