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/*
* 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));
check_member(exynos5_hsi2c, i2c_addr, 0x70);
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 */
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