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ibexpeak: add smbus_write_byte 

Change-Id: I045f1cff794d3c965c502fff98dd2442af2143bd
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4839
Tested-by: build bot (Jenkins)
Reviewed-by: Rudolf Marek <r.marek@assembler.cz>
This commit is contained in:
Vladimir Serbinenko 2014-01-27 23:57:44 +01:00 committed by Rudolf Marek
parent e57718f522
commit 5f20dbfbe3
2 changed files with 16 additions and 2 deletions
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14
src/southbridge/intel/ibexpeak/smbus.c
View File

@ -58,8 +58,22 @@ static int lsmbus_read_byte(device_t dev, u8 address)
return do_smbus_read_byte(res->base, device, address); return do_smbus_read_byte(res->base, device, address);
} }
static int lsmbus_write_byte(device_t dev, u8 address, u8 val)
{
u16 device;
struct resource *res;
struct bus *pbus;
device = dev->path.i2c.device;
pbus = get_pbus_smbus(dev);
res = find_resource(pbus->dev, 0x20);
return do_smbus_write_byte(res->base, device, address, val);
}
static struct smbus_bus_operations lops_smbus_bus = { static struct smbus_bus_operations lops_smbus_bus = {
.read_byte = lsmbus_read_byte, .read_byte = lsmbus_read_byte,
.write_byte = lsmbus_write_byte,
}; };
static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device) static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device)

4
src/southbridge/intel/ibexpeak/smbus.h
View File

@ -99,8 +99,6 @@ static int do_smbus_read_byte(unsigned smbus_base, unsigned device, unsigned add
return byte; return byte;
} }
#ifdef __PRE_RAM__
static int do_smbus_write_byte(unsigned smbus_base, unsigned device, unsigned address, unsigned data) static int do_smbus_write_byte(unsigned smbus_base, unsigned device, unsigned address, unsigned data)
{ {
unsigned char global_status_register; unsigned char global_status_register;
@ -144,6 +142,8 @@ static int do_smbus_write_byte(unsigned smbus_base, unsigned device, unsigned a
return 0; return 0;
} }
#ifdef __PRE_RAM__
static int do_smbus_block_write(unsigned smbus_base, unsigned device, static int do_smbus_block_write(unsigned smbus_base, unsigned device,
unsigned cmd, unsigned bytes, const u8 *buf) unsigned cmd, unsigned bytes, const u8 *buf)
{ {