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sb/intel/i82801jx: Add smbus block operations 

Change-Id: I1a84b4451efe25c1c3b0ce33ddbcb6ed06c29f9e
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/21439
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
Arthur Heymans 2017-09-07 17:05:17 +02:00
parent a257efcfcc
commit 33863b6eff
1 changed files with 26 additions and 0 deletions
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26
src/southbridge/intel/i82801jx/smbus.c
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@ -61,9 +61,35 @@ static int lsmbus_write_byte(device_t dev, u8 address, u8 val)
return do_smbus_write_byte(res->base, device, address, val);
}
static int lsmbus_block_write(device_t dev, u8 cmd, u8 bytes, const u8 *buf)
{
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_block_write(res->base, device, cmd, bytes, buf);
}
static int lsmbus_block_read(device_t dev, u8 cmd, u8 bytes, u8 *buf)
{
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_block_read(res->base, device, cmd, bytes, buf);
}
static struct smbus_bus_operations lops_smbus_bus = {
.read_byte = lsmbus_read_byte,
.write_byte = lsmbus_write_byte,
.block_read = lsmbus_block_read,
.block_write = lsmbus_block_write,
};
static void smbus_set_subsystem(device_t dev, unsigned vendor, unsigned device)