| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2012 Samsung Electronics |
| * |
| * 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 CPU_SAMSUNG_EXYNOS5420_I2C_H |
| #define CPU_SAMSUNG_EXYNOS5420_I2C_H |
| |
| #include "periph.h" |
| |
| struct s3c24x0_i2c { |
| u32 iiccon; |
| u32 iicstat; |
| u32 iicadd; |
| u32 iicds; |
| u32 iiclc; |
| } __attribute__ ((packed)); |
| |
| struct exynos5_hsi2c { |
| u32 usi_ctl; |
| u32 usi_fifo_ctl; |
| u32 usi_trailing_ctl; |
| u32 usi_clk_ctl; |
| u32 usi_clk_slot; |
| u32 spi_ctl; |
| u32 uart_ctl; |
| u32 res1; |
| u32 usi_int_en; |
| u32 usi_int_stat; |
| u32 usi_modem_stat; |
| u32 usi_error_stat; |
| u32 usi_fifo_stat; |
| u32 usi_txdata; |
| u32 usi_rxdata; |
| u32 res2; |
| u32 usi_conf; |
| u32 usi_auto_conf; |
| u32 usi_timeout; |
| u32 usi_manual_cmd; |
| u32 usi_trans_status; |
| u32 usi_timing_hs1; |
| u32 usi_timing_hs2; |
| u32 usi_timing_hs3; |
| u32 usi_timing_fs1; |
| u32 usi_timing_fs2; |
| u32 usi_timing_fs3; |
| u32 usi_timing_sla; |
| u32 i2c_addr; |
| } __attribute__ ((packed)); |
| |
| struct s3c24x0_i2c_bus { |
| int bus_num; |
| struct s3c24x0_i2c *regs; |
| enum periph_id periph_id; |
| struct exynos5_hsi2c *hsregs; |
| int is_highspeed; /* High speed type, rather than I2C */ |
| int id; |
| unsigned clk_cycle; |
| unsigned clk_div; |
| }; |
| |
| void i2c_init(unsigned bus, int speed, int slaveadd); |
| |
| #endif /* CPU_SAMSUNG_EXYNOS5420_I2C_H */ |