123608e23SJason Liu /* 223608e23SJason Liu * (C) Copyright 2009 323608e23SJason Liu * Stefano Babic, DENX Software Engineering, sbabic@denx.de. 423608e23SJason Liu * 523608e23SJason Liu * See file CREDITS for list of people who contributed to this 623608e23SJason Liu * project. 723608e23SJason Liu * 823608e23SJason Liu * This program is free software; you can redistribute it and/or 923608e23SJason Liu * modify it under the terms of the GNU General Public License as 1023608e23SJason Liu * published by the Free Software Foundation; either version 2 of 1123608e23SJason Liu * the License, or (at your option) any later version. 1223608e23SJason Liu * 1323608e23SJason Liu * This program is distributed in the hope that it will be useful, 1423608e23SJason Liu * but WITHOUT ANY WARRANTY; without even the implied warranty of 1523608e23SJason Liu * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1623608e23SJason Liu * GNU General Public License for more details. 1723608e23SJason Liu * 1823608e23SJason Liu * You should have received a copy of the GNU General Public License 1923608e23SJason Liu * along with this program; if not, write to the Free Software 2023608e23SJason Liu * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 2123608e23SJason Liu * MA 02111-1307 USA 2223608e23SJason Liu */ 2323608e23SJason Liu 2423608e23SJason Liu #ifndef __ASM_ARCH_CLOCK_H 2523608e23SJason Liu #define __ASM_ARCH_CLOCK_H 2623608e23SJason Liu 27833b6435SBenoît Thébaudeau #include <common.h> 28833b6435SBenoît Thébaudeau 29833b6435SBenoît Thébaudeau #ifdef CONFIG_SYS_MX6_HCLK 30833b6435SBenoît Thébaudeau #define MXC_HCLK CONFIG_SYS_MX6_HCLK 31833b6435SBenoît Thébaudeau #else 32833b6435SBenoît Thébaudeau #define MXC_HCLK 24000000 33833b6435SBenoît Thébaudeau #endif 34833b6435SBenoît Thébaudeau 35833b6435SBenoît Thébaudeau #ifdef CONFIG_SYS_MX6_CLK32 36833b6435SBenoît Thébaudeau #define MXC_CLK32 CONFIG_SYS_MX6_CLK32 37833b6435SBenoît Thébaudeau #else 38833b6435SBenoît Thébaudeau #define MXC_CLK32 32768 39833b6435SBenoît Thébaudeau #endif 40833b6435SBenoît Thébaudeau 4123608e23SJason Liu enum mxc_clock { 4223608e23SJason Liu MXC_ARM_CLK = 0, 4323608e23SJason Liu MXC_PER_CLK, 4423608e23SJason Liu MXC_AHB_CLK, 4523608e23SJason Liu MXC_IPG_CLK, 4623608e23SJason Liu MXC_IPG_PERCLK, 4723608e23SJason Liu MXC_UART_CLK, 4823608e23SJason Liu MXC_CSPI_CLK, 4923608e23SJason Liu MXC_AXI_CLK, 5023608e23SJason Liu MXC_EMI_SLOW_CLK, 5123608e23SJason Liu MXC_DDR_CLK, 5223608e23SJason Liu MXC_ESDHC_CLK, 5323608e23SJason Liu MXC_ESDHC2_CLK, 5423608e23SJason Liu MXC_ESDHC3_CLK, 5523608e23SJason Liu MXC_ESDHC4_CLK, 5623608e23SJason Liu MXC_SATA_CLK, 5723608e23SJason Liu MXC_NFC_CLK, 58e7bed5c2SMatthias Weisser MXC_I2C_CLK, 5923608e23SJason Liu }; 6023608e23SJason Liu 6123608e23SJason Liu u32 imx_get_uartclk(void); 6223608e23SJason Liu u32 imx_get_fecclk(void); 6323608e23SJason Liu unsigned int mxc_get_clock(enum mxc_clock clk); 64*112fd2ecSBenoît Thébaudeau void enable_ocotp_clk(unsigned char enable); 653f467529SWolfgang Grandegger void enable_usboh3_clk(unsigned char enable); 6664e7cdb5SEric Nelson int enable_sata_clock(void); 67cc54a0f7STroy Kisky int enable_i2c_clk(unsigned char enable, unsigned i2c_num); 6823608e23SJason Liu 6923608e23SJason Liu #endif /* __ASM_ARCH_CLOCK_H */ 70