diff options
Diffstat (limited to 'src/ec/lenovo/pmh7/pmh7.c')
-rw-r--r-- | src/ec/lenovo/pmh7/pmh7.c | 56 |
1 files changed, 56 insertions, 0 deletions
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, +}; |