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Diffstat (limited to 'src/mainboard/getac/p470/ec.h')
| -rw-r--r-- | src/mainboard/getac/p470/ec.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/mainboard/getac/p470/ec.h b/src/mainboard/getac/p470/ec.h new file mode 100644 index 0000000000..1fe21e5eb5 --- /dev/null +++ b/src/mainboard/getac/p470/ec.h @@ -0,0 +1,64 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2008-2009 coresystems GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; version 2 of + * the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef _MAINBOARD_EC_H +#define _MAINBOARD_EC_H + +#define EC_DATA 0x62 +#define EC_SC 0x66 + + +#define EC_OEM_DATA 0x68 +#define EC_OEM_SC 0x6c + +/* EC_SC input */ +#define EC_SMI_EVT (1 << 6) // 1: SMI event pending +#define EC_SCI_EVT (1 << 5) // 1: SCI event pending +#define EC_BURST (1 << 4) // controller is in burst mode +#define EC_CMD (1 << 3) // 1: byte in data register is command + // 0: byte in data register is data +#define EC_IBF (1 << 1) // 1: input buffer full (data ready for ec) +#define EC_OBF (1 << 0) // 1: output buffer full (data ready for host) +/* EC_SC output */ +#define RD_EC 0x80 // Read Embedded Controller +#define WR_EC 0x81 // Write Embedded Controller +#define BE_EC 0x82 // Burst Enable Embedded Controller +#define BD_EC 0x83 // Burst Disable Embedded Controller +#define QR_EC 0x84 // Query Embedded Controller + +int send_ec_command(u8 command); +int send_ec_data(u8 data); +int send_ec_data_nowait(u8 data); +u8 recv_ec_data(void); +u8 ec_read(u8 addr); +int ec_write(u8 addr, u8 data); + +int send_ec_oem_command(u8 command); +int send_ec_oem_data(u8 data); +int send_ec_oem_data_nowait(u8 data); +u8 recv_ec_oem_data(void); +u8 ec_oem_read(u8 addr); +int ec_oem_write(u8 addr, u8 data); + +int ec_dump_status(void); +int ec_oem_dump_status(void); +#endif + |