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| author | Arthur Heymans <arthur@aheymans.xyz> | 2017-09-07 17:05:17 +0200 |
|---|---|---|
| committer | Arthur Heymans <arthur@aheymans.xyz> | 2017-09-12 22:22:13 +0000 |
| commit | 33863b6eff270a1eb57defb8081654b3df2b49df (patch) | |
| tree | 845319380898c36a2c05d6d26926545f5373a6ff /src | |
| parent | a257efcfcc0c637b9e79fd0ddb958dae85f89a0b (diff) | |
| download | coreboot-33863b6eff270a1eb57defb8081654b3df2b49df.tar.xz | |
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/southbridge/intel/i82801jx/smbus.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/southbridge/intel/i82801jx/smbus.c b/src/southbridge/intel/i82801jx/smbus.c index bc735a35b2..9ccff4154a 100644 --- a/src/southbridge/intel/i82801jx/smbus.c +++ b/src/southbridge/intel/i82801jx/smbus.c @@ -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) |