diff options
Diffstat (limited to 'include/asm-arm/arch-spear/spr_i2c.h')
| -rw-r--r-- | include/asm-arm/arch-spear/spr_i2c.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/include/asm-arm/arch-spear/spr_i2c.h b/include/asm-arm/arch-spear/spr_i2c.h deleted file mode 100644 index 7521ebc..0000000 --- a/include/asm-arm/arch-spear/spr_i2c.h +++ /dev/null @@ -1,146 +0,0 @@ -/* - * (C) Copyright 2009 - * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * 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; either version 2 of - * the License, or (at your option) any later version. - * - * 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., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#ifndef __SPR_I2C_H_ -#define __SPR_I2C_H_ - -struct i2c_regs { - u32 ic_con; - u32 ic_tar; - u32 ic_sar; - u32 ic_hs_maddr; - u32 ic_cmd_data; - u32 ic_ss_scl_hcnt; - u32 ic_ss_scl_lcnt; - u32 ic_fs_scl_hcnt; - u32 ic_fs_scl_lcnt; - u32 ic_hs_scl_hcnt; - u32 ic_hs_scl_lcnt; - u32 ic_intr_stat; - u32 ic_intr_mask; - u32 ic_raw_intr_stat; - u32 ic_rx_tl; - u32 ic_tx_tl; - u32 ic_clr_intr; - u32 ic_clr_rx_under; - u32 ic_clr_rx_over; - u32 ic_clr_tx_over; - u32 ic_clr_rd_req; - u32 ic_clr_tx_abrt; - u32 ic_clr_rx_done; - u32 ic_clr_activity; - u32 ic_clr_stop_det; - u32 ic_clr_start_det; - u32 ic_clr_gen_call; - u32 ic_enable; - u32 ic_status; - u32 ic_txflr; - u32 ix_rxflr; - u32 reserved_1; - u32 ic_tx_abrt_source; -}; - -#define IC_CLK 166 -#define NANO_TO_MICRO 1000 - -/* High and low times in different speed modes (in ns) */ -#define MIN_SS_SCL_HIGHTIME 4000 -#define MIN_SS_SCL_LOWTIME 5000 -#define MIN_FS_SCL_HIGHTIME 800 -#define MIN_FS_SCL_LOWTIME 1700 -#define MIN_HS_SCL_HIGHTIME 60 -#define MIN_HS_SCL_LOWTIME 160 - -/* Worst case timeout for 1 byte is kept as 2ms */ -#define I2C_BYTE_TO (CONFIG_SYS_HZ/500) -#define I2C_STOPDET_TO (CONFIG_SYS_HZ/500) -#define I2C_BYTE_TO_BB (I2C_BYTE_TO * 16) - -/* i2c control register definitions */ -#define IC_CON_SD 0x0040 -#define IC_CON_RE 0x0020 -#define IC_CON_10BITADDRMASTER 0x0010 -#define IC_CON_10BITADDR_SLAVE 0x0008 -#define IC_CON_SPD_MSK 0x0006 -#define IC_CON_SPD_SS 0x0002 -#define IC_CON_SPD_FS 0x0004 -#define IC_CON_SPD_HS 0x0006 -#define IC_CON_MM 0x0001 - -/* i2c target address register definitions */ -#define TAR_ADDR 0x0050 - -/* i2c slave address register definitions */ -#define IC_SLAVE_ADDR 0x0002 - -/* i2c data buffer and command register definitions */ -#define IC_CMD 0x0100 - -/* i2c interrupt status register definitions */ -#define IC_GEN_CALL 0x0800 -#define IC_START_DET 0x0400 -#define IC_STOP_DET 0x0200 -#define IC_ACTIVITY 0x0100 -#define IC_RX_DONE 0x0080 -#define IC_TX_ABRT 0x0040 -#define IC_RD_REQ 0x0020 -#define IC_TX_EMPTY 0x0010 -#define IC_TX_OVER 0x0008 -#define IC_RX_FULL 0x0004 -#define IC_RX_OVER 0x0002 -#define IC_RX_UNDER 0x0001 - -/* fifo threshold register definitions */ -#define IC_TL0 0x00 -#define IC_TL1 0x01 -#define IC_TL2 0x02 -#define IC_TL3 0x03 -#define IC_TL4 0x04 -#define IC_TL5 0x05 -#define IC_TL6 0x06 -#define IC_TL7 0x07 -#define IC_RX_TL IC_TL0 -#define IC_TX_TL IC_TL0 - -/* i2c enable register definitions */ -#define IC_ENABLE_0B 0x0001 - -/* i2c status register definitions */ -#define IC_STATUS_SA 0x0040 -#define IC_STATUS_MA 0x0020 -#define IC_STATUS_RFF 0x0010 -#define IC_STATUS_RFNE 0x0008 -#define IC_STATUS_TFE 0x0004 -#define IC_STATUS_TFNF 0x0002 -#define IC_STATUS_ACT 0x0001 - -/* Speed Selection */ -#define IC_SPEED_MODE_STANDARD 1 -#define IC_SPEED_MODE_FAST 2 -#define IC_SPEED_MODE_MAX 3 - -#define I2C_MAX_SPEED 3400000 -#define I2C_FAST_SPEED 400000 -#define I2C_STANDARD_SPEED 100000 - -#endif /* __SPR_I2C_H_ */ |